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gemini: either scatter/gather dma or hw checksum breaks ethernet, comment out the...
[openwrt.git] / target / linux / gemini / patches / 001-git_sync.patch
1 --- a/arch/arm/boot/compressed/head.S
2 +++ b/arch/arm/boot/compressed/head.S
3 @@ -9,6 +9,7 @@
4 * published by the Free Software Foundation.
5 */
6 #include <linux/linkage.h>
7 +#include <asm/cache.h>
8
9 /*
10 * Debugging stuff
11 @@ -337,7 +338,7 @@ params: ldr r0, =params_phys
12 * This routine must preserve:
13 * r4, r5, r6, r7, r8
14 */
15 - .align 5
16 + .align L1_CACHE_SHIFT
17 cache_on: mov r3, #8 @ cache_on function
18 b call_cache_fn
19
20 @@ -519,7 +520,7 @@ __common_mmu_cache_on:
21 mcr p15, 0, r3, c2, c0, 0 @ load page table pointer
22 mcr p15, 0, r1, c3, c0, 0 @ load domain access control
23 b 1f
24 - .align 5 @ cache line aligned
25 + .align L1_CACHE_SHIFT @ cache line aligned
26 1: mcr p15, 0, r0, c1, c0, 0 @ load control register
27 mrc p15, 0, r0, c1, c0, 0 @ and read it back to
28 sub pc, lr, r0, lsr #32 @ properly flush pipeline
29 @@ -539,7 +540,7 @@ __common_mmu_cache_on:
30 * r8 = atags pointer
31 * r9-r12,r14 = corrupted
32 */
33 - .align 5
34 + .align L1_CACHE_SHIFT
35 reloc_start: add r9, r5, r0
36 sub r9, r9, #128 @ do not copy the stack
37 debug_reloc_start
38 @@ -768,7 +769,7 @@ proc_types:
39 * On exit, r0, r1, r2, r3, r12 corrupted
40 * This routine must preserve: r4, r6, r7
41 */
42 - .align 5
43 + .align L1_CACHE_SHIFT
44 cache_off: mov r3, #12 @ cache_off function
45 b call_cache_fn
46
47 @@ -845,7 +846,7 @@ __armv3_mmu_cache_off:
48 * This routine must preserve:
49 * r0, r4, r5, r6, r7
50 */
51 - .align 5
52 + .align L1_CACHE_SHIFT
53 cache_clean_flush:
54 mov r3, #16
55 b call_cache_fn
56 --- a/arch/arm/include/asm/dma-mapping.h
57 +++ b/arch/arm/include/asm/dma-mapping.h
58 @@ -98,7 +98,7 @@ static inline int dma_set_mask(struct de
59
60 static inline int dma_get_cache_alignment(void)
61 {
62 - return 32;
63 + return L1_CACHE_BYTES;
64 }
65
66 static inline int dma_is_consistent(struct device *dev, dma_addr_t handle)
67 --- a/arch/arm/Kconfig
68 +++ b/arch/arm/Kconfig
69 @@ -923,7 +923,7 @@ config ISA_DMA_API
70 bool
71
72 config PCI
73 - bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE
74 + bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_GEMINI
75 help
76 Find out whether you have a PCI motherboard. PCI is the name of a
77 bus system, i.e. the way the CPU talks to the other stuff inside
78 --- a/arch/arm/kernel/entry-armv.S
79 +++ b/arch/arm/kernel/entry-armv.S
80 @@ -22,6 +22,7 @@
81 #include <asm/thread_notify.h>
82 #include <asm/unwind.h>
83 #include <asm/unistd.h>
84 +#include <asm/cache.h>
85
86 #include "entry-header.S"
87
88 @@ -166,7 +167,7 @@ ENDPROC(__und_invalid)
89 asm_trace_hardirqs_off
90 .endm
91
92 - .align 5
93 + .align L1_CACHE_SHIFT
94 __dabt_svc:
95 svc_entry
96
97 @@ -214,7 +215,7 @@ __dabt_svc:
98 UNWIND(.fnend )
99 ENDPROC(__dabt_svc)
100
101 - .align 5
102 + .align L1_CACHE_SHIFT
103 __irq_svc:
104 svc_entry
105
106 @@ -255,7 +256,7 @@ svc_preempt:
107 b 1b
108 #endif
109
110 - .align 5
111 + .align L1_CACHE_SHIFT
112 __und_svc:
113 #ifdef CONFIG_KPROBES
114 @ If a kprobe is about to simulate a "stmdb sp..." instruction,
115 @@ -301,7 +302,7 @@ __und_svc:
116 UNWIND(.fnend )
117 ENDPROC(__und_svc)
118
119 - .align 5
120 + .align L1_CACHE_SHIFT
121 __pabt_svc:
122 svc_entry
123
124 @@ -337,7 +338,7 @@ __pabt_svc:
125 UNWIND(.fnend )
126 ENDPROC(__pabt_svc)
127
128 - .align 5
129 + .align L1_CACHE_SHIFT
130 .LCcralign:
131 .word cr_alignment
132 #ifdef MULTI_DABORT
133 @@ -412,7 +413,7 @@ ENDPROC(__pabt_svc)
134 #endif
135 .endm
136
137 - .align 5
138 + .align L1_CACHE_SHIFT
139 __dabt_usr:
140 usr_entry
141 kuser_cmpxchg_check
142 @@ -444,7 +445,7 @@ __dabt_usr:
143 UNWIND(.fnend )
144 ENDPROC(__dabt_usr)
145
146 - .align 5
147 + .align L1_CACHE_SHIFT
148 __irq_usr:
149 usr_entry
150 kuser_cmpxchg_check
151 @@ -476,7 +477,7 @@ ENDPROC(__irq_usr)
152
153 .ltorg
154
155 - .align 5
156 + .align L1_CACHE_SHIFT
157 __und_usr:
158 usr_entry
159
160 @@ -692,7 +693,7 @@ __und_usr_unknown:
161 b do_undefinstr
162 ENDPROC(__und_usr_unknown)
163
164 - .align 5
165 + .align L1_CACHE_SHIFT
166 __pabt_usr:
167 usr_entry
168
169 @@ -803,7 +804,7 @@ ENDPROC(__switch_to)
170 #endif
171 .endm
172
173 - .align 5
174 + .align L1_CACHE_SHIFT
175 .globl __kuser_helper_start
176 __kuser_helper_start:
177
178 @@ -843,7 +844,7 @@ __kuser_memory_barrier: @ 0xffff0fa0
179 smp_dmb
180 usr_ret lr
181
182 - .align 5
183 + .align L1_CACHE_SHIFT
184
185 /*
186 * Reference prototype:
187 @@ -975,7 +976,7 @@ kuser_cmpxchg_fixup:
188
189 #endif
190
191 - .align 5
192 + .align L1_CACHE_SHIFT
193
194 /*
195 * Reference prototype:
196 @@ -1058,7 +1059,7 @@ __kuser_helper_end:
197 * of which is copied into r0 for the mode specific abort handler.
198 */
199 .macro vector_stub, name, mode, correction=0
200 - .align 5
201 + .align L1_CACHE_SHIFT
202
203 vector_\name:
204 .if \correction
205 @@ -1189,7 +1190,7 @@ __stubs_start:
206 .long __und_invalid @ e
207 .long __und_invalid @ f
208
209 - .align 5
210 + .align L1_CACHE_SHIFT
211
212 /*=============================================================================
213 * Undefined FIQs
214 @@ -1219,7 +1220,7 @@ vector_addrexcptn:
215 * We group all the following data together to optimise
216 * for CPUs with separate I & D caches.
217 */
218 - .align 5
219 + .align L1_CACHE_SHIFT
220
221 .LCvswi:
222 .word vector_swi
223 --- a/arch/arm/kernel/entry-common.S
224 +++ b/arch/arm/kernel/entry-common.S
225 @@ -10,13 +10,14 @@
226
227 #include <asm/unistd.h>
228 #include <asm/ftrace.h>
229 +#include <asm/cache.h>
230 #include <mach/entry-macro.S>
231 #include <asm/unwind.h>
232
233 #include "entry-header.S"
234
235
236 - .align 5
237 + .align L1_CACHE_SHIFT
238 /*
239 * This is the fast syscall return path. We do as little as
240 * possible here, and this includes saving r0 back into the SVC
241 @@ -183,7 +184,7 @@ ftrace_stub:
242 #define A710(code...)
243 #endif
244
245 - .align 5
246 + .align L1_CACHE_SHIFT
247 ENTRY(vector_swi)
248 sub sp, sp, #S_FRAME_SIZE
249 stmia sp, {r0 - r12} @ Calling r0 - r12
250 @@ -316,7 +317,7 @@ __sys_trace_return:
251 bl syscall_trace
252 b ret_slow_syscall
253
254 - .align 5
255 + .align L1_CACHE_SHIFT
256 #ifdef CONFIG_ALIGNMENT_TRAP
257 .type __cr_alignment, #object
258 __cr_alignment:
259 --- a/arch/arm/kernel/head.S
260 +++ b/arch/arm/kernel/head.S
261 @@ -21,6 +21,7 @@
262 #include <asm/memory.h>
263 #include <asm/thread_info.h>
264 #include <asm/system.h>
265 +#include <asm/cache.h>
266
267 #if (PHYS_OFFSET & 0x001fffff)
268 #error "PHYS_OFFSET must be at an even 2MiB boundary!"
269 @@ -192,7 +193,7 @@ ENDPROC(__enable_mmu)
270 *
271 * other registers depend on the function called upon completion
272 */
273 - .align 5
274 + .align L1_CACHE_SHIFT
275 __turn_mmu_on:
276 mov r0, r0
277 mcr p15, 0, r0, c1, c0, 0 @ write control reg
278 --- a/arch/arm/kernel/vmlinux.lds.S
279 +++ b/arch/arm/kernel/vmlinux.lds.S
280 @@ -7,6 +7,7 @@
281 #include <asm/thread_info.h>
282 #include <asm/memory.h>
283 #include <asm/page.h>
284 +#include <asm/cache.h>
285
286 OUTPUT_ARCH(arm)
287 ENTRY(stext)
288 @@ -59,7 +60,7 @@ SECTIONS
289 *(.security_initcall.init)
290 __security_initcall_end = .;
291 #ifdef CONFIG_BLK_DEV_INITRD
292 - . = ALIGN(32);
293 + . = ALIGN(L1_CACHE_BYTES);
294 __initramfs_start = .;
295 usr/built-in.o(.init.ramfs)
296 __initramfs_end = .;
297 @@ -176,13 +177,13 @@ SECTIONS
298 /*
299 * then the cacheline aligned data
300 */
301 - . = ALIGN(32);
302 + . = ALIGN(L1_CACHE_BYTES);
303 *(.data.cacheline_aligned)
304
305 /*
306 * The exception fixup table (might need resorting at runtime)
307 */
308 - . = ALIGN(32);
309 + . = ALIGN(L1_CACHE_BYTES);
310 __start___ex_table = .;
311 #ifdef CONFIG_MMU
312 *(__ex_table)
313 --- a/arch/arm/lib/memchr.S
314 +++ b/arch/arm/lib/memchr.S
315 @@ -11,9 +11,10 @@
316 */
317 #include <linux/linkage.h>
318 #include <asm/assembler.h>
319 +#include <asm/cache.h>
320
321 .text
322 - .align 5
323 + .align L1_CACHE_SHIFT
324 ENTRY(memchr)
325 1: subs r2, r2, #1
326 bmi 2f
327 --- a/arch/arm/lib/memset.S
328 +++ b/arch/arm/lib/memset.S
329 @@ -11,9 +11,10 @@
330 */
331 #include <linux/linkage.h>
332 #include <asm/assembler.h>
333 +#include <asm/cache.h>
334
335 .text
336 - .align 5
337 + .align L1_CACHE_SHIFT
338 .word 0
339
340 1: subs r2, r2, #4 @ 1 do we have enough
341 --- a/arch/arm/lib/memzero.S
342 +++ b/arch/arm/lib/memzero.S
343 @@ -9,9 +9,10 @@
344 */
345 #include <linux/linkage.h>
346 #include <asm/assembler.h>
347 +#include <asm/cache.h>
348
349 .text
350 - .align 5
351 + .align L1_CACHE_SHIFT
352 .word 0
353 /*
354 * Align the pointer in r0. r3 contains the number of bytes that we are
355 --- a/arch/arm/lib/strchr.S
356 +++ b/arch/arm/lib/strchr.S
357 @@ -11,9 +11,10 @@
358 */
359 #include <linux/linkage.h>
360 #include <asm/assembler.h>
361 +#include <asm/cache.h>
362
363 .text
364 - .align 5
365 + .align L1_CACHE_SHIFT
366 ENTRY(strchr)
367 and r1, r1, #0xff
368 1: ldrb r2, [r0], #1
369 --- a/arch/arm/lib/strncpy_from_user.S
370 +++ b/arch/arm/lib/strncpy_from_user.S
371 @@ -10,9 +10,10 @@
372 #include <linux/linkage.h>
373 #include <asm/assembler.h>
374 #include <asm/errno.h>
375 +#include <asm/cache.h>
376
377 .text
378 - .align 5
379 + .align L1_CACHE_SHIFT
380
381 /*
382 * Copy a string from user space to kernel space.
383 --- a/arch/arm/lib/strnlen_user.S
384 +++ b/arch/arm/lib/strnlen_user.S
385 @@ -10,9 +10,10 @@
386 #include <linux/linkage.h>
387 #include <asm/assembler.h>
388 #include <asm/errno.h>
389 +#include <asm/cache.h>
390
391 .text
392 - .align 5
393 + .align L1_CACHE_SHIFT
394
395 /* Prototype: unsigned long __strnlen_user(const char *str, long n)
396 * Purpose : get length of a string in user memory
397 --- a/arch/arm/lib/strrchr.S
398 +++ b/arch/arm/lib/strrchr.S
399 @@ -11,9 +11,10 @@
400 */
401 #include <linux/linkage.h>
402 #include <asm/assembler.h>
403 +#include <asm/cache.h>
404
405 .text
406 - .align 5
407 + .align L1_CACHE_SHIFT
408 ENTRY(strrchr)
409 mov r3, #0
410 1: ldrb r2, [r0], #1
411 --- /dev/null
412 +++ b/arch/arm/mach-gemini/board-nas4220b.c
413 @@ -0,0 +1,160 @@
414 +/*
415 + * Support for Raidsonic NAS-4220-B
416 + *
417 + * Copyright (C) 2009 Janos Laube <janos.dev@gmail.com>
418 + *
419 + * based on rut1xx.c
420 + * Copyright (C) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
421 + *
422 + * This program is free software; you can redistribute it and/or modify
423 + * it under the terms of the GNU General Public License as published by
424 + * the Free Software Foundation; either version 2 of the License, or
425 + * (at your option) any later version.
426 + */
427 +
428 +#include <linux/kernel.h>
429 +#include <linux/init.h>
430 +#include <linux/platform_device.h>
431 +#include <linux/leds.h>
432 +#include <linux/input.h>
433 +#include <linux/gpio_keys.h>
434 +#include <linux/mdio-gpio.h>
435 +#include <linux/io.h>
436 +
437 +#include <asm/setup.h>
438 +#include <asm/mach-types.h>
439 +#include <asm/mach/arch.h>
440 +#include <asm/mach/time.h>
441 +
442 +#include <mach/gmac.h>
443 +#include <mach/hardware.h>
444 +#include <mach/global_reg.h>
445 +
446 +#include "common.h"
447 +
448 +static struct sys_timer ib4220b_timer = {
449 + .init = gemini_timer_init,
450 +};
451 +
452 +static struct gpio_led ib4220b_leds[] = {
453 + {
454 + .name = "nas4220b:orange:hdd",
455 + .default_trigger = "ide-disk",
456 + .gpio = 60,
457 + },
458 + {
459 + .name = "nas4220b:green:os",
460 + .default_trigger = "heartbeat",
461 + .gpio = 62,
462 + },
463 +};
464 +
465 +static struct gpio_led_platform_data ib4220b_leds_data = {
466 + .num_leds = ARRAY_SIZE(ib4220b_leds),
467 + .leds = ib4220b_leds,
468 +};
469 +
470 +static struct platform_device ib4220b_led_device = {
471 + .name = "leds-gpio",
472 + .id = -1,
473 + .dev = {
474 + .platform_data = &ib4220b_leds_data,
475 + },
476 +};
477 +
478 +static struct gpio_keys_button ib4220b_keys[] = {
479 + {
480 + .code = KEY_SETUP,
481 + .gpio = 61,
482 + .active_low = 1,
483 + .desc = "Backup Button",
484 + .type = EV_KEY,
485 + },
486 + {
487 + .code = KEY_RESTART,
488 + .gpio = 63,
489 + .active_low = 1,
490 + .desc = "Softreset Button",
491 + .type = EV_KEY,
492 + },
493 +};
494 +
495 +static struct gpio_keys_platform_data ib4220b_keys_data = {
496 + .buttons = ib4220b_keys,
497 + .nbuttons = ARRAY_SIZE(ib4220b_keys),
498 +};
499 +
500 +static struct platform_device ib4220b_key_device = {
501 + .name = "gpio-keys",
502 + .id = -1,
503 + .dev = {
504 + .platform_data = &ib4220b_keys_data,
505 + },
506 +};
507 +
508 +static struct mdio_gpio_platform_data ib4220b_mdio = {
509 + .mdc = 22,
510 + .mdio = 21,
511 + .phy_mask = ~(1 << 1),
512 +};
513 +
514 +static struct platform_device ib4220b_phy_device = {
515 + .name = "mdio-gpio",
516 + .id = 0,
517 + .dev = {
518 + .platform_data = &ib4220b_mdio,
519 + },
520 +};
521 +
522 +static struct gemini_gmac_platform_data ib4220b_gmac_data = {
523 + .bus_id[0] = "0:01",
524 + .interface[0] = PHY_INTERFACE_MODE_RGMII,
525 +};
526 +
527 +static void __init gmac_ib4220b_init(void)
528 +{
529 + unsigned int val;
530 +
531 + val = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
532 + GLOBAL_IO_DRIVING_CTRL);
533 + val |= (0x3 << GMAC0_PADS_SHIFT) | (0x3 << GMAC1_PADS_SHIFT);
534 + __raw_writel(val, IO_ADDRESS(GEMINI_GLOBAL_BASE) +
535 + GLOBAL_IO_DRIVING_CTRL);
536 +
537 + val = (0x0 << GMAC0_RXDV_SKEW_SHIFT) | (0xf << GMAC0_RXC_SKEW_SHIFT) |
538 + (0x7 << GMAC0_TXEN_SKEW_SHIFT) | (0xa << GMAC0_TXC_SKEW_SHIFT) |
539 + (0x0 << GMAC1_RXDV_SKEW_SHIFT) | (0xf << GMAC1_RXC_SKEW_SHIFT) |
540 + (0x7 << GMAC1_TXEN_SKEW_SHIFT) | (0xa << GMAC1_TXC_SKEW_SHIFT);
541 + __raw_writel(val, IO_ADDRESS(GEMINI_GLOBAL_BASE) +
542 + GLOBAL_GMAC_CTRL_SKEW_CTRL);
543 +
544 + val = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
545 + GLOBAL_ARBITRATION1_CTRL);
546 + val |= (0x20 << BURST_LENGTH_SHIFT);
547 + __raw_writel(val, IO_ADDRESS(GEMINI_GLOBAL_BASE) +
548 + GLOBAL_ARBITRATION1_CTRL);
549 +}
550 +
551 +static void __init ib4220b_init(void)
552 +{
553 + gemini_gpio_init();
554 + gmac_ib4220b_init();
555 + platform_register_uart();
556 + platform_register_usb(0);
557 + platform_register_usb(1);
558 + platform_register_pflash(SZ_16M, NULL, 0);
559 + platform_device_register(&ib4220b_led_device);
560 + platform_device_register(&ib4220b_key_device);
561 + platform_device_register(&ib4220b_phy_device);
562 + platform_register_ethernet(&ib4220b_gmac_data);
563 +}
564 +
565 +MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
566 + .phys_io = 0x7fffc000,
567 + .io_pg_offst = ((0xffffc000) >> 18) & 0xfffc,
568 + .boot_params = 0x100,
569 + .map_io = gemini_map_io,
570 + .init_irq = gemini_init_irq,
571 + .timer = &ib4220b_timer,
572 + .init_machine = ib4220b_init,
573 +MACHINE_END
574 --- a/arch/arm/mach-gemini/board-rut1xx.c
575 +++ b/arch/arm/mach-gemini/board-rut1xx.c
576 @@ -14,13 +14,35 @@
577 #include <linux/leds.h>
578 #include <linux/input.h>
579 #include <linux/gpio_keys.h>
580 +#include <linux/mdio-gpio.h>
581
582 #include <asm/mach-types.h>
583 #include <asm/mach/arch.h>
584 #include <asm/mach/time.h>
585
586 +#include <mach/gmac.h>
587 +
588 #include "common.h"
589
590 +static struct mdio_gpio_platform_data rut1xx_mdio = {
591 + .mdc = 22,
592 + .mdio = 21,
593 + .phy_mask = ~(1 << 1),
594 +};
595 +
596 +static struct platform_device rut1xx_phy_device = {
597 + .name = "mdio-gpio",
598 + .id = 0,
599 + .dev = {
600 + .platform_data = &rut1xx_mdio,
601 + },
602 +};
603 +
604 +static struct gemini_gmac_platform_data gmac_data = {
605 + .bus_id[0] = "0:01",
606 + .interface[0] = PHY_INTERFACE_MODE_MII,
607 +};
608 +
609 static struct gpio_keys_button rut1xx_keys[] = {
610 {
611 .code = KEY_SETUP,
612 @@ -79,9 +101,13 @@ static void __init rut1xx_init(void)
613 {
614 gemini_gpio_init();
615 platform_register_uart();
616 + platform_register_watchdog();
617 + platform_register_usb(0);
618 platform_register_pflash(SZ_8M, NULL, 0);
619 platform_device_register(&rut1xx_leds);
620 platform_device_register(&rut1xx_keys_device);
621 + platform_device_register(&rut1xx_phy_device);
622 + platform_register_ethernet(&gmac_data);
623 }
624
625 MACHINE_START(RUT100, "Teltonika RUT100")
626 --- a/arch/arm/mach-gemini/common.h
627 +++ b/arch/arm/mach-gemini/common.h
628 @@ -13,6 +13,7 @@
629 #define __GEMINI_COMMON_H__
630
631 struct mtd_partition;
632 +struct gemini_gmac_platform_data;
633
634 extern void gemini_map_io(void);
635 extern void gemini_init_irq(void);
636 @@ -21,8 +22,11 @@ extern void gemini_gpio_init(void);
637
638 /* Common platform devices registration functions */
639 extern int platform_register_uart(void);
640 +extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
641 extern int platform_register_pflash(unsigned int size,
642 struct mtd_partition *parts,
643 unsigned int nr_parts);
644 +extern int platform_register_usb(unsigned int i);
645 +extern int platform_register_watchdog(void);
646
647 #endif /* __GEMINI_COMMON_H__ */
648 --- a/arch/arm/mach-gemini/devices.c
649 +++ b/arch/arm/mach-gemini/devices.c
650 @@ -17,6 +17,7 @@
651 #include <mach/irqs.h>
652 #include <mach/hardware.h>
653 #include <mach/global_reg.h>
654 +#include <mach/gmac.h>
655
656 static struct plat_serial8250_port serial_platform_data[] = {
657 {
658 @@ -45,6 +46,116 @@ int platform_register_uart(void)
659 return platform_device_register(&serial_device);
660 }
661
662 +static struct resource usb0_resources[] = {
663 + {
664 + .start = 0x68000000,
665 + .end = 0x68000fff,
666 + .flags = IORESOURCE_MEM,
667 + },
668 + {
669 + .start = IRQ_USB0,
670 + .end = IRQ_USB0,
671 + .flags = IORESOURCE_IRQ,
672 + },
673 +};
674 +
675 +static struct resource usb1_resources[] = {
676 + {
677 + .start = 0x69000000,
678 + .end = 0x69000fff,
679 + .flags = IORESOURCE_MEM,
680 + },
681 + {
682 + .start = IRQ_USB1,
683 + .end = IRQ_USB1,
684 + .flags = IORESOURCE_IRQ,
685 + },
686 +};
687 +
688 +static u64 usb0_dmamask = 0xffffffffUL;
689 +
690 +static u64 usb1_dmamask = 0xffffffffUL;
691 +
692 +static struct platform_device usb_device[] = {
693 + {
694 + .name = "ehci-fotg2xx",
695 + .id = 0,
696 + .dev = {
697 + .dma_mask = &usb0_dmamask,
698 + .coherent_dma_mask = 0xffffffff,
699 + },
700 + .num_resources = ARRAY_SIZE(usb0_resources),
701 + .resource = usb0_resources,
702 + },
703 + {
704 + .name = "ehci-fotg2xx",
705 + .id = 1,
706 + .dev = {
707 + .dma_mask = &usb1_dmamask,
708 + .coherent_dma_mask = 0xffffffff,
709 + },
710 + .num_resources = ARRAY_SIZE(usb1_resources),
711 + .resource = usb1_resources,
712 + },
713 +};
714 +
715 +int platform_register_usb(unsigned int i)
716 +{
717 + if (i > 1)
718 + return -EINVAL;
719 +
720 + return platform_device_register(&usb_device[i]);
721 +}
722 +
723 +static struct resource gmac_resources[] = {
724 + {
725 + .start = 0x60000000,
726 + .end = 0x6000ffff,
727 + .flags = IORESOURCE_MEM,
728 + },
729 + {
730 + .start = IRQ_GMAC0,
731 + .end = IRQ_GMAC0,
732 + .flags = IORESOURCE_IRQ,
733 + },
734 + {
735 + .start = IRQ_GMAC1,
736 + .end = IRQ_GMAC1,
737 + .flags = IORESOURCE_IRQ,
738 + },
739 +};
740 +
741 +static u64 gmac_dmamask = 0xffffffffUL;
742 +
743 +static struct platform_device ethernet_device = {
744 + .name = "gemini-gmac",
745 + .id = 0,
746 + .dev = {
747 + .dma_mask = &gmac_dmamask,
748 + .coherent_dma_mask = 0xffffffff,
749 + },
750 + .num_resources = ARRAY_SIZE(gmac_resources),
751 + .resource = gmac_resources,
752 +};
753 +
754 +int platform_register_ethernet(struct gemini_gmac_platform_data *pdata)
755 +{
756 + unsigned int reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
757 +
758 + reg &= ~(GMAC_GMII | GMAC_1_ENABLE);
759 +
760 + if (pdata->bus_id[1])
761 + reg |= GMAC_1_ENABLE;
762 + else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII)
763 + reg |= GMAC_GMII;
764 +
765 + __raw_writel(reg, IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
766 +
767 + ethernet_device.dev.platform_data = pdata;
768 +
769 + return platform_device_register(&ethernet_device);
770 +}
771 +
772 static struct resource flash_resource = {
773 .start = GEMINI_FLASH_BASE,
774 .flags = IORESOURCE_MEM,
775 @@ -90,3 +201,21 @@ int platform_register_pflash(unsigned in
776
777 return platform_device_register(&pflash_device);
778 }
779 +
780 +static struct resource wdt_resource = {
781 + .start = GEMINI_WAQTCHDOG_BASE,
782 + .end = GEMINI_WAQTCHDOG_BASE + 0x18,
783 + .flags = IORESOURCE_MEM,
784 +};
785 +
786 +static struct platform_device wdt_device = {
787 + .name = "gemini-wdt",
788 + .id = 0,
789 + .resource = &wdt_resource,
790 + .num_resources = 1,
791 +};
792 +
793 +int platform_register_watchdog(void)
794 +{
795 + return platform_device_register(&wdt_device);
796 +}
797 --- /dev/null
798 +++ b/arch/arm/mach-gemini/include/mach/gmac.h
799 @@ -0,0 +1,21 @@
800 +/*
801 + * Gemini GMAC specific defines
802 + *
803 + * Copyright (C) 2008, Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
804 + *
805 + * This program is free software; you can redistribute it and/or modify
806 + * it under the terms of the GNU General Public License as published by
807 + * the Free Software Foundation; either version 2 of the License, or
808 + * (at your option) any later version.
809 + */
810 +#ifndef __MACH_GMAC_H__
811 +#define __MACH_GMAC_H__
812 +
813 +#include <linux/phy.h>
814 +
815 +struct gemini_gmac_platform_data {
816 + char *bus_id[2]; /* NULL means that this port is not used */
817 + phy_interface_t interface[2];
818 +};
819 +
820 +#endif /* __MACH_GMAC_H__ */
821 --- a/arch/arm/mach-gemini/include/mach/hardware.h
822 +++ b/arch/arm/mach-gemini/include/mach/hardware.h
823 @@ -71,4 +71,12 @@
824 */
825 #define IO_ADDRESS(x) ((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000)
826
827 +/*
828 + * PCI subsystem macros
829 + */
830 +#define PCIBIOS_MIN_IO 0x00000100
831 +#define PCIBIOS_MIN_MEM 0x00000000
832 +
833 +#define pcibios_assign_all_busses() 1
834 +
835 #endif
836 --- a/arch/arm/mach-gemini/include/mach/irqs.h
837 +++ b/arch/arm/mach-gemini/include/mach/irqs.h
838 @@ -43,11 +43,14 @@
839
840 #define NORMAL_IRQ_NUM 32
841
842 -#define GPIO_IRQ_BASE NORMAL_IRQ_NUM
843 +#define PCI_IRQ_BASE NORMAL_IRQ_NUM
844 +#define PCI_IRQ_NUM 4
845 +
846 +#define GPIO_IRQ_BASE (NORMAL_IRQ_NUM + PCI_IRQ_NUM)
847 #define GPIO_IRQ_NUM (3 * 32)
848
849 #define ARCH_TIMER_IRQ IRQ_TIMER2
850
851 -#define NR_IRQS (NORMAL_IRQ_NUM + GPIO_IRQ_NUM)
852 +#define NR_IRQS (NORMAL_IRQ_NUM + PCI_IRQ_NUM + GPIO_IRQ_NUM)
853
854 #endif /* __MACH_IRQS_H__ */
855 --- a/arch/arm/mach-gemini/Kconfig
856 +++ b/arch/arm/mach-gemini/Kconfig
857 @@ -2,6 +2,13 @@ if ARCH_GEMINI
858
859 menu "Cortina Systems Gemini Implementations"
860
861 +config MACH_NAS4220B
862 + bool "Raidsonic NAS-4220-B"
863 + select GEMINI_MEM_SWAP
864 + help
865 + Say Y here if you intend to run this kernel on a
866 + Raidsonic NAS-4220-B.
867 +
868 config MACH_RUT100
869 bool "Teltonika RUT100"
870 select GEMINI_MEM_SWAP
871 --- a/arch/arm/mach-gemini/Makefile
872 +++ b/arch/arm/mach-gemini/Makefile
873 @@ -6,5 +6,8 @@
874
875 obj-y := irq.o mm.o time.o devices.o gpio.o
876
877 +obj-$(CONFIG_PCI) += pci.o
878 +
879 # Board-specific support
880 +obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o
881 obj-$(CONFIG_MACH_RUT100) += board-rut1xx.o
882 --- a/arch/arm/mach-gemini/mm.c
883 +++ b/arch/arm/mach-gemini/mm.c
884 @@ -59,6 +59,11 @@ static struct map_desc gemini_io_desc[]
885 .length = SZ_512K,
886 .type = MT_DEVICE,
887 }, {
888 + .virtual = IO_ADDRESS(GEMINI_PCI_IO_BASE),
889 + .pfn = __phys_to_pfn(GEMINI_PCI_IO_BASE),
890 + .length = SZ_512K,
891 + .type = MT_DEVICE,
892 + }, {
893 .virtual = IO_ADDRESS(GEMINI_FLASH_CTRL_BASE),
894 .pfn = __phys_to_pfn(GEMINI_FLASH_CTRL_BASE),
895 .length = SZ_512K,
896 --- /dev/null
897 +++ b/arch/arm/mach-gemini/pci.c
898 @@ -0,0 +1,315 @@
899 +/*
900 + * Support for Gemini PCI Controller
901 + *
902 + * Copyright (C) 2009 Janos Laube <janos.dev@gmail.com>
903 + * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
904 + *
905 + * based on SL2312 PCI controller code
906 + * Storlink (C) 2003
907 + *
908 + * This program is free software; you can redistribute it and/or modify
909 + * it under the terms of the GNU General Public License as published by
910 + * the Free Software Foundation; either version 2 of the License, or
911 + * (at your option) any later version.
912 + */
913 +
914 +#include <linux/kernel.h>
915 +#include <linux/pci.h>
916 +#include <linux/irq.h>
917 +
918 +#include <asm/mach/pci.h>
919 +#include <asm/gpio.h>
920 +
921 +#include <mach/irqs.h>
922 +
923 +#define GEMINI_PCI_IOSIZE_1M 0x0000
924 +
925 +#define GEMINI_PCI_PMC 0x40
926 +#define GEMINI_PCI_PMCSR 0x44
927 +#define GEMINI_PCI_CTRL1 0x48
928 +#define GEMINI_PCI_CTRL2 0x4C
929 +#define GEMINI_PCI_MEM1_BASE_SIZE 0x50
930 +#define GEMINI_PCI_MEM2_BASE_SIZE 0x54
931 +#define GEMINI_PCI_MEM3_BASE_SIZE 0x58
932 +
933 +#define PCI_CTRL2_INTSTS_OFFSET 28
934 +#define PCI_CTRL2_INTMASK_OFFSET 22
935 +
936 +#define GEMINI_PCI_DMA_MASK 0xFFF00000
937 +#define GEMINI_PCI_DMA_MEM1_BASE 0x00000000
938 +#define GEMINI_PCI_DMA_MEM2_BASE 0x00000000
939 +#define GEMINI_PCI_DMA_MEM3_BASE 0x00000000
940 +#define GEMINI_PCI_DMA_MEM1_SIZE 7
941 +#define GEMINI_PCI_DMA_MEM2_SIZE 6
942 +#define GEMINI_PCI_DMA_MEM3_SIZE 6
943 +
944 +#define PCI_CONF_ENABLE (1 << 31)
945 +#define PCI_CONF_WHERE(r) ((r) & 0xFC)
946 +#define PCI_CONF_BUS(b) (((b) & 0xFF) << 16)
947 +#define PCI_CONF_DEVICE(d) (((d) & 0x1F) << 11)
948 +#define PCI_CONF_FUNCTION(f) (((f) & 0x07) << 8)
949 +
950 +#define PCI_IOSIZE_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE))
951 +#define PCI_PROT_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x04)
952 +#define PCI_CTRL_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x08)
953 +#define PCI_SOFTRST_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x10)
954 +#define PCI_CONFIG_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x28)
955 +#define PCI_DATA_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x2C)
956 +
957 +
958 +static DEFINE_SPINLOCK(gemini_pci_lock);
959 +
960 +static struct resource gemini_pci_resource_io = {
961 + .name = "PCI I/O Space",
962 + .start = IO_ADDRESS(GEMINI_PCI_IO_BASE),
963 + .end = IO_ADDRESS(GEMINI_PCI_IO_BASE) + SZ_1M - 1,
964 + .flags = IORESOURCE_IO,
965 +};
966 +
967 +static struct resource gemini_pci_resource_mem = {
968 + .name = "PCI Memory Space",
969 + .start = GEMINI_PCI_MEM_BASE,
970 + .end = GEMINI_PCI_MEM_BASE + SZ_128M - 1,
971 + .flags = IORESOURCE_MEM,
972 +};
973 +
974 +static int gemini_pci_read_config(struct pci_bus* bus, unsigned int fn,
975 + int config, int size, u32* value)
976 +{
977 + unsigned long irq_flags;
978 +
979 + spin_lock_irqsave(&gemini_pci_lock, irq_flags);
980 +
981 + __raw_writel(PCI_CONF_BUS(bus->number) |
982 + PCI_CONF_DEVICE(PCI_SLOT(fn)) |
983 + PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
984 + PCI_CONF_WHERE(config) |
985 + PCI_CONF_ENABLE,
986 + PCI_CONFIG_REG);
987 +
988 + *value = __raw_readl(PCI_DATA_REG);
989 +
990 + if (size == 1)
991 + *value = (*value >> (8 * (config & 3))) & 0xFF;
992 + else if (size == 2)
993 + *value = (*value >> (8 * (config & 3))) & 0xFFFF;
994 +
995 + spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
996 +
997 + dev_dbg(&bus->dev,
998 + "[read] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
999 + PCI_SLOT(fn), PCI_FUNC(fn), config, size, *value);
1000 +
1001 + return PCIBIOS_SUCCESSFUL;
1002 +}
1003 +
1004 +static int gemini_pci_write_config(struct pci_bus* bus, unsigned int fn,
1005 + int config, int size, u32 value)
1006 +{
1007 + unsigned long irq_flags = 0;
1008 + int ret = PCIBIOS_SUCCESSFUL;
1009 +
1010 + dev_dbg(&bus->dev,
1011 + "[write] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
1012 + PCI_SLOT(fn), PCI_FUNC(fn), config, size, value);
1013 +
1014 + spin_lock_irqsave(&gemini_pci_lock, irq_flags);
1015 +
1016 + __raw_writel(PCI_CONF_BUS(bus->number) |
1017 + PCI_CONF_DEVICE(PCI_SLOT(fn)) |
1018 + PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
1019 + PCI_CONF_WHERE(config) |
1020 + PCI_CONF_ENABLE,
1021 + PCI_CONFIG_REG);
1022 +
1023 + switch(size) {
1024 + case 4:
1025 + __raw_writel(value, PCI_DATA_REG);
1026 + break;
1027 + case 2:
1028 + __raw_writew(value, PCI_DATA_REG + (config & 3));
1029 + break;
1030 + case 1:
1031 + __raw_writeb(value, PCI_DATA_REG + (config & 3));
1032 + break;
1033 + default:
1034 + ret = PCIBIOS_BAD_REGISTER_NUMBER;
1035 + }
1036 +
1037 + spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
1038 +
1039 + return ret;
1040 +}
1041 +
1042 +static struct pci_ops gemini_pci_ops = {
1043 + .read = gemini_pci_read_config,
1044 + .write = gemini_pci_write_config,
1045 +};
1046 +
1047 +static int __init gemini_pci_request_resources(struct pci_sys_data *sys)
1048 +{
1049 + if (request_resource(&ioport_resource, &gemini_pci_resource_io))
1050 + goto bad_resources;
1051 + if (request_resource(&iomem_resource, &gemini_pci_resource_mem))
1052 + goto bad_resources;
1053 +
1054 + sys->resource[0] = &gemini_pci_resource_io;
1055 + sys->resource[1] = &gemini_pci_resource_mem;
1056 + sys->resource[2] = 0;
1057 +
1058 + return 0;
1059 +
1060 +bad_resources:
1061 + pr_err("Gemini PCI: request_resource() failed. "
1062 + "Abort PCI bus enumeration.\n");
1063 + return -1;
1064 +}
1065 +
1066 +static int __init gemini_pci_setup(int nr, struct pci_sys_data *sys)
1067 +{
1068 + unsigned int cmd;
1069 +
1070 + if ((nr > 0) || gemini_pci_request_resources(sys))
1071 + return 0;
1072 +
1073 + /* setup I/O space to 1MB size */
1074 + __raw_writel(GEMINI_PCI_IOSIZE_1M, PCI_IOSIZE_REG);
1075 +
1076 + /* setup hostbridge */
1077 + cmd = __raw_readl(PCI_CTRL_REG);
1078 + cmd |= PCI_COMMAND_IO;
1079 + cmd |= PCI_COMMAND_MEMORY;
1080 + cmd |= PCI_COMMAND_MASTER;
1081 + __raw_writel(cmd, PCI_CTRL_REG);
1082 +
1083 + return 1;
1084 +}
1085 +
1086 +static struct pci_bus* __init gemini_pci_scan_bus(int nr, struct pci_sys_data* sys)
1087 +{
1088 + unsigned int reg = 0;
1089 + struct pci_bus* bus = 0;
1090 +
1091 + bus = pci_scan_bus(nr, &gemini_pci_ops, sys);
1092 + if (bus) {
1093 + dev_dbg(&bus->dev, "setting up PCI DMA\n");
1094 + reg = (GEMINI_PCI_DMA_MEM1_BASE & GEMINI_PCI_DMA_MASK)
1095 + | (GEMINI_PCI_DMA_MEM1_SIZE << 16);
1096 + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM1_BASE_SIZE, 4, reg);
1097 + reg = (GEMINI_PCI_DMA_MEM2_BASE & GEMINI_PCI_DMA_MASK)
1098 + | (GEMINI_PCI_DMA_MEM2_SIZE << 16);
1099 + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM2_BASE_SIZE, 4, reg);
1100 + reg = (GEMINI_PCI_DMA_MEM3_BASE & GEMINI_PCI_DMA_MASK)
1101 + | (GEMINI_PCI_DMA_MEM3_SIZE << 16);
1102 + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM3_BASE_SIZE, 4, reg);
1103 + }
1104 +
1105 + return bus;
1106 +}
1107 +
1108 +/* Should work with all boards based on original Storlink EVB */
1109 +static int __init gemini_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
1110 +{
1111 + if (slot < 9 || slot > 12)
1112 + return -1;
1113 +
1114 + return PCI_IRQ_BASE + (((slot - 9) + (pin - 1)) & 0x3);
1115 +}
1116 +
1117 +static struct hw_pci gemini_hw_pci __initdata = {
1118 + .nr_controllers = 1,
1119 + .setup = gemini_pci_setup,
1120 + .scan = gemini_pci_scan_bus,
1121 + .swizzle = pci_std_swizzle,
1122 + .map_irq = gemini_pci_map_irq,
1123 +};
1124 +
1125 +/* we need this for muxed PCI interrupts handling */
1126 +static struct pci_bus bogus_pci_bus;
1127 +
1128 +static void gemini_pci_ack_irq(unsigned int irq)
1129 +{
1130 + unsigned int reg;
1131 +
1132 + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
1133 + reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
1134 + reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTSTS_OFFSET);
1135 + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
1136 +}
1137 +
1138 +static void gemini_pci_mask_irq(unsigned int irq)
1139 +{
1140 + unsigned int reg;
1141 +
1142 + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
1143 + reg &= ~((0xF << PCI_CTRL2_INTSTS_OFFSET)
1144 + | (1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET)));
1145 + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
1146 +}
1147 +
1148 +static void gemini_pci_unmask_irq(unsigned int irq)
1149 +{
1150 + unsigned int reg;
1151 +
1152 + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
1153 + reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
1154 + reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET);
1155 + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
1156 +}
1157 +
1158 +static void gemini_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
1159 +{
1160 + unsigned int pci_irq_no, irq_stat, reg, i;
1161 +
1162 + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
1163 + irq_stat = reg >> PCI_CTRL2_INTSTS_OFFSET;
1164 +
1165 + for (i = 0; i < 4; i++) {
1166 +
1167 + if ((irq_stat & (1 << i)) == 0)
1168 + continue;
1169 +
1170 + pci_irq_no = PCI_IRQ_BASE + i;
1171 +
1172 + BUG_ON(!(irq_desc[pci_irq_no].handle_irq));
1173 + irq_desc[pci_irq_no].handle_irq(pci_irq_no,
1174 + &irq_desc[pci_irq_no]);
1175 + }
1176 +}
1177 +
1178 +static struct irq_chip gemini_pci_irq_chip = {
1179 + .name = "PCI",
1180 + .ack = gemini_pci_ack_irq,
1181 + .mask = gemini_pci_mask_irq,
1182 + .unmask = gemini_pci_unmask_irq,
1183 +};
1184 +
1185 +static int __init gemini_pci_init(void)
1186 +{
1187 + int i;
1188 +
1189 + for (i = 72; i <= 95; i++)
1190 + gpio_request(i, "PCI");
1191 +
1192 + /* initialize our bogus bus */
1193 + dev_set_name(&bogus_pci_bus.dev, "PCI IRQ handler");
1194 + bogus_pci_bus.number = 0;
1195 +
1196 + /* mask and clear all interrupts */
1197 + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2 + 2, 2,
1198 + 0xF000);
1199 +
1200 + for (i = PCI_IRQ_BASE; i < PCI_IRQ_BASE + 4; i++) {
1201 + set_irq_chip(i, &gemini_pci_irq_chip);
1202 + set_irq_handler(i, handle_level_irq);
1203 + set_irq_flags(i, IRQF_VALID);
1204 + }
1205 +
1206 + set_irq_chained_handler(IRQ_PCI, gemini_pci_irq_handler);
1207 +
1208 + pci_common_init(&gemini_hw_pci);
1209 +
1210 + return 0;
1211 +}
1212 +
1213 +subsys_initcall(gemini_pci_init);
1214 --- a/arch/arm/mm/abort-ev4.S
1215 +++ b/arch/arm/mm/abort-ev4.S
1216 @@ -1,5 +1,6 @@
1217 #include <linux/linkage.h>
1218 #include <asm/assembler.h>
1219 +#include <asm/cache.h>
1220 /*
1221 * Function: v4_early_abort
1222 *
1223 @@ -17,7 +18,7 @@
1224 * abort here if the I-TLB and D-TLB aren't seeing the same
1225 * picture. Unfortunately, this does happen. We live with it.
1226 */
1227 - .align 5
1228 + .align L1_CACHE_SHIFT
1229 ENTRY(v4_early_abort)
1230 mrc p15, 0, r1, c5, c0, 0 @ get FSR
1231 mrc p15, 0, r0, c6, c0, 0 @ get FAR
1232 --- a/arch/arm/mm/abort-nommu.S
1233 +++ b/arch/arm/mm/abort-nommu.S
1234 @@ -1,5 +1,6 @@
1235 #include <linux/linkage.h>
1236 #include <asm/assembler.h>
1237 +#include <asm/cache.h>
1238 /*
1239 * Function: nommu_early_abort
1240 *
1241 @@ -12,7 +13,7 @@
1242 * Note: There is no FSR/FAR on !CPU_CP15_MMU cores.
1243 * Just fill zero into the registers.
1244 */
1245 - .align 5
1246 + .align L1_CACHE_SHIFT
1247 ENTRY(nommu_early_abort)
1248 mov r0, #0 @ clear r0, r1 (no FSR/FAR)
1249 mov r1, #0
1250 --- /dev/null
1251 +++ b/drivers/net/gemini_negmac/gm_gmac.c
1252 @@ -0,0 +1,1350 @@
1253 +/*
1254 + * Ethernet device driver for Gemini SoC.
1255 + *
1256 + * Copyright (C) 2006, Storlink, Corp.
1257 + * Copyright (C) 2008-2009, Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
1258 + *
1259 + * This program is free software; you can redistribute it and/or modify
1260 + * it under the terms of the GNU General Public License as published by
1261 + * the Free Software Foundation; either version 2 of the License, or
1262 + * (at your option) any later version.
1263 + */
1264 +#include <linux/module.h>
1265 +#include <linux/kernel.h>
1266 +#include <linux/platform_device.h>
1267 +#include <linux/slab.h>
1268 +#include <linux/mm.h>
1269 +#include <linux/compiler.h>
1270 +#include <linux/dma-mapping.h>
1271 +#include <linux/init.h>
1272 +#include <linux/ioport.h>
1273 +#include <linux/netdevice.h>
1274 +#include <linux/etherdevice.h>
1275 +#include <linux/rtnetlink.h>
1276 +#include <linux/delay.h>
1277 +#include <linux/ethtool.h>
1278 +#include <linux/mii.h>
1279 +#include <linux/phy.h>
1280 +#include <linux/completion.h>
1281 +#include <linux/kthread.h>
1282 +#include <linux/io.h>
1283 +#include <mach/hardware.h>
1284 +#include <asm/irq.h>
1285 +#include <linux/semaphore.h>
1286 +#include <mach/irqs.h>
1287 +#include <linux/skbuff.h>
1288 +#include <linux/in.h>
1289 +#include <linux/ip.h>
1290 +#include <linux/tcp.h>
1291 +#include <linux/udp.h>
1292 +#include <mach/gmac.h>
1293 +
1294 +#include "gm_gmac.h"
1295 +
1296 +/* #define GMAX_TX_INTR_DISABLED */
1297 +#define DO_HW_CHKSUM
1298 +/* #define ENABLE_TSO */
1299 +#define GMAC_USE_TXQ0
1300 +/* #define GMAC_LEN_1_2_ISSUE */
1301 +
1302 +#define DEFAULT_RXQ_MAX_CNT 256
1303 +
1304 +/* define chip information */
1305 +#define DRV_VERSION "0.2"
1306 +#define SL351x_DRIVER_NAME "Gemini Ethernet driver " DRV_VERSION
1307 +
1308 +#ifdef GMAC_LEN_1_2_ISSUE
1309 + #define _DEBUG_PREFETCH_NUM 256
1310 +static int _debug_prefetch_cnt;
1311 +static char _debug_prefetch_buf[_DEBUG_PREFETCH_NUM][4] __attribute__((aligned(4)));
1312 +#endif
1313 +
1314 +static inline void gmac_write_reg(unsigned int base, unsigned int offset, unsigned int data, unsigned int bit_mask)
1315 +{
1316 + unsigned int reg_val;
1317 +
1318 + reg_val = (__raw_readl(base + offset) & (~bit_mask)) | (data & bit_mask);
1319 + __raw_writel(reg_val, base + offset);
1320 +}
1321 +
1322 +/*----------------------------------------------------------------------
1323 +* toe_init_free_queue
1324 +* (1) Initialize the Free Queue Descriptor Base Address & size
1325 +* Register: TOE_GLOBAL_BASE + 0x0004
1326 +* (2) Initialize DMA Read/Write pointer for
1327 +* SW Free Queue and HW Free Queue
1328 +* (3) Initialize DMA Descriptors for
1329 +* SW Free Queue and HW Free Queue,
1330 +*----------------------------------------------------------------------*/
1331 +static void toe_init_free_queue(struct toe_private *toe)
1332 +{
1333 + int i;
1334 + DMA_RWPTR_T rwptr_reg;
1335 + void *desc_buf;
1336 + GMAC_RXDESC_T *sw_desc_ptr;
1337 + struct sk_buff *skb;
1338 +
1339 + desc_buf = dma_alloc_coherent(toe->dev, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),
1340 + &toe->sw_freeq_desc_base_dma, GFP_KERNEL);
1341 + sw_desc_ptr = (GMAC_RXDESC_T *)desc_buf;
1342 + if (!desc_buf) {
1343 + dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__);
1344 + return;
1345 + }
1346 + memset(desc_buf, 0, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T));
1347 +
1348 + /* DMA Queue Base & Size */
1349 + __raw_writel((toe->sw_freeq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_SW_FREEQ_DESC_POWER,
1350 + toe->global_base + GLOBAL_SW_FREEQ_BASE_SIZE_REG);
1351 +
1352 + /* init descriptor base */
1353 + toe->swfq_desc_base = (unsigned int)desc_buf;
1354 +
1355 + /* SW Free Queue Descriptors */
1356 + for (i = 0; i < TOE_SW_FREEQ_DESC_NUM; i++) {
1357 + sw_desc_ptr->word0.bits.buffer_size = SW_RX_BUF_SIZE;
1358 + skb = dev_alloc_skb(SW_RX_BUF_SIZE); /* allocate socket buffer */
1359 + if (!skb) {
1360 + dev_err(toe->dev, "%s::skb buffer allocation fail\n", __func__);
1361 + return;
1362 + }
1363 + REG32(skb->data) = (unsigned int)skb;
1364 + skb_reserve(skb, SKB_RESERVE_BYTES);
1365 + sw_desc_ptr->word2.buf_adr = dma_map_single(toe->dev, skb->data,
1366 + SW_RX_BUF_SIZE - SKB_RESERVE_BYTES,
1367 + DMA_FROM_DEVICE);
1368 + sw_desc_ptr++;
1369 + }
1370 +
1371 + dma_sync_single_for_device(toe->dev, toe->sw_freeq_desc_base_dma,
1372 + TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),
1373 + DMA_TO_DEVICE);
1374 +
1375 + /* SW Free Queue Read/Write Pointer */
1376 + rwptr_reg.bits.wptr = TOE_SW_FREEQ_DESC_NUM - 1;
1377 + rwptr_reg.bits.rptr = 0;
1378 + __raw_writel(rwptr_reg.bits32, toe->global_base + GLOBAL_SWFQ_RWPTR_REG);
1379 +
1380 + /* DMA Queue Base & Size */
1381 + __raw_writel(TOE_HW_FREEQ_DESC_POWER,
1382 + toe->global_base + GLOBAL_HW_FREEQ_BASE_SIZE_REG);
1383 + rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1;
1384 + rwptr_reg.bits.rptr = 0;
1385 + __raw_writel(rwptr_reg.bits32, toe->global_base + GLOBAL_HWFQ_RWPTR_REG);
1386 +}
1387 +
1388 +/*----------------------------------------------------------------------
1389 +* toe_init_swtx_queue
1390 +* (2) Initialize the GMAC 0/1 SW TXQ Queue Descriptor Base Address & sizeup
1391 +* GMAC_SW_TX_QUEUE_BASE_REG(0x0050)
1392 +* (2) Initialize DMA Read/Write pointer for
1393 +* GMAC 0/1 SW TX Q0-5
1394 +*----------------------------------------------------------------------*/
1395 +static void toe_init_swtx_queue(struct net_device *dev)
1396 +{
1397 + int i;
1398 + struct gmac_private *gmac = netdev_priv(dev);
1399 + struct toe_private *toe = dev->ml_priv;
1400 + DMA_RWPTR_T rwptr_reg;
1401 + unsigned int rwptr_addr;
1402 + void *desc_buf;
1403 + unsigned int offset;
1404 +
1405 + desc_buf = dma_alloc_coherent(toe->dev, TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),
1406 + &gmac->swtxq_desc_base_dma, GFP_KERNEL);
1407 + gmac->swtxq_desc_base = (unsigned int)desc_buf;
1408 + if (!desc_buf) {
1409 + dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__);
1410 + return;
1411 + }
1412 + memset(desc_buf, 0, TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T));
1413 + dma_sync_single_for_device(toe->dev, gmac->swtxq_desc_base_dma,
1414 + TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),
1415 + DMA_TO_DEVICE);
1416 + __raw_writel((gmac->swtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC_SWTXQ_DESC_POWER,
1417 + gmac->dma_base_addr + GMAC_SW_TX_QUEUE_BASE_REG);
1418 +
1419 + /* GMAC0 SW TX Q0-Q5 */
1420 + offset = 0;
1421 + rwptr_reg.bits.wptr = 0;
1422 + rwptr_reg.bits.rptr = 0;
1423 + rwptr_addr = gmac->dma_base_addr + GMAC_SW_TX_QUEUE0_PTR_REG;
1424 + for (i = 0; i < TOE_SW_TXQ_NUM; i++) {
1425 + gmac->swtxq[i].rwptr_reg = rwptr_addr;
1426 + gmac->swtxq[i].desc_base_dma = (unsigned int)gmac->swtxq_desc_base_dma + offset;
1427 + gmac->swtxq[i].desc_base = (unsigned int)desc_buf + offset;
1428 + offset += TOE_GMAC_SWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T);
1429 + __raw_writel(rwptr_reg.bits32, rwptr_addr);
1430 + rwptr_addr += 4;
1431 + }
1432 +}
1433 +
1434 +/*----------------------------------------------------------------------
1435 +* toe_init_default_queue
1436 +* (1) Initialize the default 0/1 Queue Header
1437 +* Register: TOE_DEFAULT_Q0_HDR_BASE (0x60002000)
1438 +* TOE_DEFAULT_Q1_HDR_BASE (0x60002008)
1439 +* (2) Initialize Descriptors of Default Queue 0/1
1440 +*----------------------------------------------------------------------*/
1441 +static void toe_init_default_queue(struct net_device *dev)
1442 +{
1443 + struct gmac_private *gmac = netdev_priv(dev);
1444 + struct toe_private *toe = dev->ml_priv;
1445 + volatile NONTOE_QHDR_T *qhdr;
1446 + GMAC_RXDESC_T *desc_ptr;
1447 +
1448 + desc_ptr = dma_alloc_coherent(toe->dev, TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T),
1449 + &gmac->default_desc_base_dma, GFP_KERNEL);
1450 + if (!desc_ptr) {
1451 + dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__);
1452 + return;
1453 + }
1454 + memset(desc_ptr, 0, TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T));
1455 + dma_sync_single_for_device(toe->dev, gmac->default_desc_base_dma,
1456 + TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T),
1457 + DMA_TO_DEVICE);
1458 + gmac->default_desc_base = (unsigned int)desc_ptr;
1459 + qhdr = (volatile NONTOE_QHDR_T *)(toe->global_base + TOE_DEFAULT_Q_HDR_BASE(gmac->port_id));
1460 + qhdr->word0.base_size = ((unsigned int)gmac->default_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_DEFAULT_Q_DESC_POWER;
1461 + qhdr->word1.bits32 = 0;
1462 + gmac->default_qhdr = (NONTOE_QHDR_T *)qhdr;
1463 +}
1464 +
1465 +/*----------------------------------------------------------------------
1466 +* toe_init_interrupt_config
1467 +* Interrupt Select Registers are used to map interrupt to int0 or int1
1468 +* Int0 and int1 are wired to CPU 0/1 GMAC 0/1
1469 +* Interrupt Device Inteface data are used to pass device info to
1470 +* upper device driver or store status/statistics
1471 +* ISR handler
1472 +* (1) If status bit ON but masked, the prinf error message (bug issue)
1473 +* (2) If select bits are for me, handle it, else skip to let
1474 +* the other ISR handles it.
1475 +* Notes:
1476 +* GMACx init routine (for eCOS) or open routine (for Linux)
1477 +* enable the interrupt bits only which are selected for it.
1478 +*
1479 +* Default Setting:
1480 +* GMAC0 intr bits ------> int0 ----> eth0
1481 +* GMAC1 intr bits ------> int1 ----> eth1
1482 +* TOE intr -------------> int0 ----> eth0
1483 +* Classification Intr --> int0 ----> eth0
1484 +* Default Q0 -----------> int0 ----> eth0
1485 +* Default Q1 -----------> int1 ----> eth1
1486 +*----------------------------------------------------------------------*/
1487 +static void toe_init_interrupt_config(struct toe_private *toe)
1488 +{
1489 + /* clear all status bits */
1490 + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG);
1491 + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG);
1492 + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG);
1493 + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG);
1494 + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG);
1495 +
1496 + /* Init select registers */
1497 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG);
1498 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG);
1499 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG);
1500 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG);
1501 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG);
1502 +
1503 + /* disable all interrupt */
1504 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_0_REG);
1505 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_1_REG);
1506 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_2_REG);
1507 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_3_REG);
1508 + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_4_REG);
1509 +}
1510 +
1511 +static void toe_gmac_hw_start(struct gmac_private *gmac)
1512 +{
1513 + GMAC_DMA_CTRL_T dma_ctrl;
1514 +
1515 + /* program dma control register */
1516 + dma_ctrl.bits32 = __raw_readl(gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
1517 + dma_ctrl.bits.rd_enable = 1;
1518 + dma_ctrl.bits.td_enable = 1;
1519 + dma_ctrl.bits.loopback = 0;
1520 + dma_ctrl.bits.drop_small_ack = 0;
1521 + dma_ctrl.bits.rd_prot = 0;
1522 + dma_ctrl.bits.rd_burst_size = 3;
1523 + dma_ctrl.bits.rd_insert_bytes = RX_INSERT_BYTES;
1524 + dma_ctrl.bits.rd_bus = 3;
1525 + dma_ctrl.bits.td_prot = 0;
1526 + dma_ctrl.bits.td_burst_size = 3;
1527 + dma_ctrl.bits.td_bus = 3;
1528 +
1529 + __raw_writel(dma_ctrl.bits32, gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
1530 +}
1531 +
1532 +static void toe_gmac_hw_stop(struct gmac_private *gmac)
1533 +{
1534 + GMAC_DMA_CTRL_T dma_ctrl;
1535 +
1536 + /* program dma control register */
1537 + dma_ctrl.bits32 = __raw_readl(gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
1538 + dma_ctrl.bits.rd_enable = 0;
1539 + dma_ctrl.bits.td_enable = 0;
1540 + __raw_writel(dma_ctrl.bits32, gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
1541 +}
1542 +
1543 +static void toe_gmac_init_chip(struct net_device *dev)
1544 +{
1545 + struct gmac_private *gmac = netdev_priv(dev);
1546 + GMAC_CONFIG2_T config2_val;
1547 + GMAC_CONFIG0_T config0;
1548 + GMAC_CONFIG1_T config1;
1549 + GMAC_STATUS_T status;
1550 + GMAC_TX_WCR0_T hw_weigh;
1551 + GMAC_TX_WCR1_T sw_weigh;
1552 + GMAC_RX_FLTR_T rx_filter;
1553 +
1554 + /* set RX_FLTR register to receive all multicast packet */
1555 + rx_filter.bits32 = __raw_readl(dev->base_addr + GMAC_RX_FLTR);
1556 + rx_filter.bits.unicast = 1;
1557 + rx_filter.bits.multicast = 1;
1558 + rx_filter.bits.broadcast = 1;
1559 + __raw_writel(rx_filter.bits32, dev->base_addr + GMAC_RX_FLTR);
1560 +
1561 + /* set flow control threshold */
1562 + config1.bits32 = 0;
1563 + config1.bits.set_threshold = 32 / 2;
1564 + config1.bits.rel_threshold = 32 / 4 * 3;
1565 + __raw_writel(config1.bits32, dev->base_addr + GMAC_CONFIG1);
1566 +
1567 + /* set flow control threshold */
1568 + config2_val.bits32 = 0;
1569 + config2_val.bits.set_threshold = TOE_SW_FREEQ_DESC_NUM / 4;
1570 + config2_val.bits.rel_threshold = TOE_SW_FREEQ_DESC_NUM / 2;
1571 + __raw_writel(config2_val.bits32, dev->base_addr + GMAC_CONFIG2);
1572 +
1573 + /* disable TX/RX and disable internal loop back */
1574 + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
1575 +
1576 + config0.bits.max_len = 2;
1577 +
1578 + gmac->flow_control_enable = 0;
1579 +
1580 + config0.bits.tx_fc_en = 0; /* disable tx flow control */
1581 + config0.bits.rx_fc_en = 0; /* disable rx flow control */
1582 + config0.bits.dis_rx = 1; /* disable rx */
1583 + config0.bits.dis_tx = 1; /* disable tx */
1584 + config0.bits.loop_back = 0; /* enable/disable GMAC loopback */
1585 + config0.bits.rx_err_detect = 1;
1586 + config0.bits.rgmii_en = 0;
1587 + config0.bits.rgmm_edge = 1;
1588 + config0.bits.rxc_inv = 0;
1589 + config0.bits.ipv4_rx_chksum = 1; /* enable H/W to check ip checksum */
1590 + config0.bits.ipv6_rx_chksum = 1; /* enable H/W to check ip checksum */
1591 + config0.bits.port0_chk_hwq = 1;
1592 + config0.bits.port1_chk_hwq = 1;
1593 + config0.bits.port0_chk_toeq = 1;
1594 + config0.bits.port1_chk_toeq = 1;
1595 + config0.bits.port0_chk_classq = 1;
1596 + config0.bits.port1_chk_classq = 1;
1597 +
1598 + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
1599 +
1600 + hw_weigh.bits32 = 0;
1601 + hw_weigh.bits.hw_tq3 = 1;
1602 + hw_weigh.bits.hw_tq2 = 1;
1603 + hw_weigh.bits.hw_tq1 = 1;
1604 + hw_weigh.bits.hw_tq0 = 1;
1605 + __raw_writel(hw_weigh.bits32, gmac->dma_base_addr + GMAC_TX_WEIGHTING_CTRL_0_REG);
1606 +
1607 + sw_weigh.bits32 = 0;
1608 + sw_weigh.bits.sw_tq5 = 1;
1609 + sw_weigh.bits.sw_tq4 = 1;
1610 + sw_weigh.bits.sw_tq3 = 1;
1611 + sw_weigh.bits.sw_tq2 = 1;
1612 + sw_weigh.bits.sw_tq1 = 1;
1613 + sw_weigh.bits.sw_tq0 = 1;
1614 + __raw_writel(sw_weigh.bits32, gmac->dma_base_addr + GMAC_TX_WEIGHTING_CTRL_1_REG);
1615 +
1616 + /* set interface type */
1617 + status.bits32 = __raw_readl(dev->base_addr + GMAC_STATUS);
1618 +
1619 + switch (gmac->phydev->interface) {
1620 + case PHY_INTERFACE_MODE_MII:
1621 + status.bits.mii_rmii = GMAC_PHY_MII;
1622 + break;
1623 + case PHY_INTERFACE_MODE_GMII:
1624 + status.bits.mii_rmii = GMAC_PHY_GMII;
1625 + break;
1626 + case PHY_INTERFACE_MODE_RGMII:
1627 + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10;
1628 + break;
1629 + default:
1630 + dev_err(&dev->dev, "Unsupported MII interface\n");
1631 + return;
1632 + }
1633 +
1634 + __raw_writel(status.bits32, dev->base_addr + GMAC_STATUS);
1635 +}
1636 +
1637 +static void toe_init_gmac(struct net_device *dev)
1638 +{
1639 + struct gmac_private *gmac = netdev_priv(dev);
1640 + struct toe_private *toe = dev->ml_priv;
1641 + u32 data;
1642 +
1643 + /* GMAC initialization */
1644 + toe_gmac_init_chip(dev);
1645 +
1646 + /* -----------------------------------------------------------
1647 + Enable GMAC interrupt & disable loopback
1648 + Notes:
1649 + GMACx init routine (for eCOS) or open routine (for Linux)
1650 + enable the interrupt bits only which are selected for him.
1651 + --------------------------------------------------------------*/
1652 +
1653 + /* Enable Interrupt Bits */
1654 + if (gmac->port_id == 0) {
1655 + gmac->intr0_selected = GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT |
1656 + GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT |
1657 + GMAC0_SWTQ05_FIN_INT_BIT | GMAC0_SWTQ05_EOF_INT_BIT |
1658 + GMAC0_SWTQ04_FIN_INT_BIT | GMAC0_SWTQ04_EOF_INT_BIT |
1659 + GMAC0_SWTQ03_FIN_INT_BIT | GMAC0_SWTQ03_EOF_INT_BIT |
1660 + GMAC0_SWTQ02_FIN_INT_BIT | GMAC0_SWTQ02_EOF_INT_BIT |
1661 + GMAC0_SWTQ01_FIN_INT_BIT | GMAC0_SWTQ01_EOF_INT_BIT |
1662 + GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT;
1663 +
1664 +#ifdef GMAX_TX_INTR_DISABLED
1665 + gmac->intr0_enabled = 0;
1666 +#else
1667 + gmac->intr0_enabled = GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT;
1668 +#endif
1669 +
1670 + gmac->intr1_selected = TOE_IQ_ALL_BITS | TOE_CLASS_RX_INT_BITS |
1671 + GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT |
1672 + GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT |
1673 + DEFAULT_Q0_INT_BIT;
1674 + gmac->intr1_enabled = DEFAULT_Q0_INT_BIT | TOE_IQ_ALL_BITS;
1675 + gmac->intr2_selected = 0xffffffff; /* TOE Queue 32-63 FUUL Intr */
1676 + gmac->intr2_enabled = 0xffffffff;
1677 + gmac->intr3_selected = 0xffffffff; /* TOE Queue 0-31 FUUL Intr */
1678 + gmac->intr3_enabled = 0xffffffff;
1679 + gmac->intr4_selected = GMAC0_INT_BITS | CLASS_RX_FULL_INT_BITS |
1680 + HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT;
1681 + gmac->intr4_enabled = GMAC0_INT_BITS | SWFQ_EMPTY_INT_BIT;
1682 +
1683 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG) & ~gmac->intr0_selected;
1684 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG);
1685 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG) & ~gmac->intr1_selected;
1686 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG);
1687 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG) & ~gmac->intr2_selected;
1688 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG);
1689 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG) & ~gmac->intr3_selected;
1690 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG);
1691 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG) & ~gmac->intr4_selected;
1692 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG);
1693 + } else {
1694 + gmac->intr0_selected = GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT |
1695 + GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT |
1696 + GMAC1_SWTQ15_FIN_INT_BIT | GMAC1_SWTQ15_EOF_INT_BIT |
1697 + GMAC1_SWTQ14_FIN_INT_BIT | GMAC1_SWTQ14_EOF_INT_BIT |
1698 + GMAC1_SWTQ13_FIN_INT_BIT | GMAC1_SWTQ13_EOF_INT_BIT |
1699 + GMAC1_SWTQ12_FIN_INT_BIT | GMAC1_SWTQ12_EOF_INT_BIT |
1700 + GMAC1_SWTQ11_FIN_INT_BIT | GMAC1_SWTQ11_EOF_INT_BIT |
1701 + GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT;
1702 +#ifdef GMAX_TX_INTR_DISABLED
1703 + gmac->intr0_enabled = 0;
1704 +#else
1705 + gmac->intr0_enabled = GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT;
1706 +#endif
1707 +
1708 + gmac->intr1_selected = DEFAULT_Q1_INT_BIT;
1709 + gmac->intr1_enabled = DEFAULT_Q1_INT_BIT | TOE_IQ_ALL_BITS;
1710 + gmac->intr2_selected = 0; /* TOE Queue 32-63 FUUL Intr */
1711 + gmac->intr2_enabled = 0;
1712 + gmac->intr3_selected = 0; /* TOE Queue 0-31 FUUL Intr */
1713 + gmac->intr3_enabled = 0;
1714 + gmac->intr4_selected = GMAC1_INT_BITS;
1715 + gmac->intr4_enabled = GMAC1_INT_BITS;
1716 +
1717 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG) | gmac->intr0_selected;
1718 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG);
1719 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG) | gmac->intr1_selected;
1720 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG);
1721 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG) | gmac->intr2_selected;
1722 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG);
1723 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG) | gmac->intr3_selected;
1724 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG);
1725 + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG) | gmac->intr4_selected;
1726 + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG);
1727 + }
1728 +
1729 + /* enable only selected bits */
1730 + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_0_REG,
1731 + gmac->intr0_enabled, gmac->intr0_selected);
1732 + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_1_REG,
1733 + gmac->intr1_enabled, gmac->intr1_selected);
1734 + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_2_REG,
1735 + gmac->intr2_enabled, gmac->intr2_selected);
1736 + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_3_REG,
1737 + gmac->intr3_enabled, gmac->intr3_selected);
1738 + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_4_REG,
1739 + gmac->intr4_enabled, gmac->intr4_selected);
1740 +
1741 + /* start DMA process */
1742 + toe_gmac_hw_start(gmac);
1743 +}
1744 +
1745 +static void toe_gmac_enable_tx_rx(struct net_device *dev)
1746 +{
1747 + GMAC_CONFIG0_T config0;
1748 +
1749 + /* enable TX/RX */
1750 + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
1751 + config0.bits.dis_rx = 0; /* enable rx */
1752 + config0.bits.dis_tx = 0; /* enable tx */
1753 + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
1754 +}
1755 +
1756 +static void toe_gmac_disable_tx_rx(struct net_device *dev)
1757 +{
1758 + GMAC_CONFIG0_T config0;
1759 +
1760 + /* enable TX/RX */
1761 + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
1762 + config0.bits.dis_rx = 1; /* disable rx */
1763 + config0.bits.dis_tx = 1; /* disable tx */
1764 + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
1765 +}
1766 +
1767 +static void toe_gmac_tx_complete(struct net_device *dev, unsigned int tx_qid)
1768 +{
1769 + struct gmac_private *gmac = netdev_priv(dev);
1770 + struct toe_private *toe = dev->ml_priv;
1771 + GMAC_TXDESC_T *curr_desc;
1772 + GMAC_TXDESC_0_T word0;
1773 + GMAC_TXDESC_1_T word1;
1774 + unsigned int desc_count;
1775 + GMAC_SWTXQ_T *swtxq;
1776 + DMA_RWPTR_T rwptr;
1777 +
1778 + /* get tx H/W completed descriptor virtual address */
1779 + /* check tx status and accumulate tx statistics */
1780 + swtxq = &gmac->swtxq[tx_qid];
1781 + for (;;) {
1782 + rwptr.bits32 = __raw_readl(swtxq->rwptr_reg);
1783 + if (rwptr.bits.rptr == swtxq->finished_idx)
1784 + break;
1785 + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
1786 + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
1787 + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
1788 + sizeof(GMAC_TXDESC_T),
1789 + DMA_FROM_DEVICE);
1790 + word0.bits32 = curr_desc->word0.bits32;
1791 + word1.bits32 = curr_desc->word1.bits32;
1792 +
1793 + if (word0.bits.status_tx_ok) {
1794 + dev->stats.tx_bytes += word1.bits.byte_count;
1795 + desc_count = word0.bits.desc_count;
1796 + if (desc_count == 0) {
1797 + dev_err(&dev->dev, "%s::Desc 0x%x = 0x%x, desc_count=%d\n", __func__, (u32)curr_desc, word0.bits32, desc_count);
1798 + BUG();
1799 + }
1800 + while (--desc_count) {
1801 + word0.bits.status_tx_ok = 0;
1802 + curr_desc->word0.bits32 = word0.bits32;
1803 + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
1804 + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
1805 + sizeof(GMAC_TXDESC_T),
1806 + DMA_TO_DEVICE);
1807 + swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, TOE_GMAC_SWTXQ_DESC_NUM);
1808 + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
1809 + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
1810 + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
1811 + sizeof(GMAC_TXDESC_T),
1812 + DMA_FROM_DEVICE);
1813 + word0.bits32 = curr_desc->word0.bits32;
1814 + }
1815 +
1816 + word0.bits.status_tx_ok = 0;
1817 + dev_kfree_skb_any(swtxq->tx_skb[swtxq->finished_idx]);
1818 + swtxq->tx_skb[swtxq->finished_idx] = NULL;
1819 +
1820 + curr_desc->word0.bits32 = word0.bits32;
1821 + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
1822 + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
1823 + sizeof(GMAC_TXDESC_T),
1824 + DMA_TO_DEVICE);
1825 + dev->stats.tx_packets++;
1826 + swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, TOE_GMAC_SWTXQ_DESC_NUM);
1827 + } else {
1828 + break;
1829 + }
1830 + }
1831 +
1832 + if (netif_queue_stopped(dev))
1833 + netif_wake_queue(dev);
1834 +}
1835 +
1836 +static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
1837 +{
1838 + struct gmac_private *gmac = netdev_priv(dev);
1839 + struct toe_private *toe = dev->ml_priv;
1840 + DMA_RWPTR_T rwptr;
1841 + GMAC_TXDESC_T *curr_desc;
1842 + int snd_pages = skb_shinfo(skb)->nr_frags + 1; /* get number of descriptor */
1843 + int frag_id = 0;
1844 + int len, total_len = skb->len;
1845 + struct net_device_stats *isPtr = &dev->stats;
1846 + unsigned int free_desc;
1847 + GMAC_SWTXQ_T *swtxq;
1848 + register unsigned long word0, word1, word2, word3;
1849 + unsigned short wptr, rptr;
1850 +
1851 +#ifdef GMAC_LEN_1_2_ISSUE
1852 + int total_pages;
1853 + total_pages = snd_pages;
1854 +#endif
1855 +
1856 + if (skb->len >= 0x10000) {
1857 + isPtr->tx_dropped++;
1858 + dev_err(&dev->dev, "%s::skb->len %d >= 64K\n", __func__, skb->len);
1859 + netif_stop_queue(dev);
1860 + return 1;
1861 + }
1862 +
1863 +#ifdef GMAC_USE_TXQ0
1864 + #define tx_qid 0
1865 +#endif
1866 +
1867 + swtxq = &gmac->swtxq[tx_qid];
1868 +
1869 + rwptr.bits32 = __raw_readl(swtxq->rwptr_reg);
1870 + wptr = rwptr.bits.wptr;
1871 + rptr = rwptr.bits.rptr;
1872 +
1873 + /*
1874 + * check finished desc or empty BD
1875 + * cannot check by read ptr of RW PTR register,
1876 + * because the HW complete to send but the SW may NOT handle it
1877 + */
1878 +#ifdef GMAX_TX_INTR_DISABLED
1879 + toe_gmac_tx_complete(dev, tx_qid);
1880 +#endif
1881 + if (wptr >= swtxq->finished_idx)
1882 + free_desc = TOE_GMAC_SWTXQ_DESC_NUM - wptr + swtxq->finished_idx;
1883 + else
1884 + free_desc = swtxq->finished_idx - wptr;
1885 +
1886 + if (free_desc < snd_pages) {
1887 + isPtr->tx_dropped++;
1888 + netif_stop_queue(dev);
1889 + return 1;
1890 + }
1891 +
1892 + while (snd_pages) {
1893 + char *pkt_datap;
1894 +
1895 + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + wptr;
1896 + if (frag_id == 0) {
1897 + len = skb_headlen(skb);
1898 + pkt_datap = dma_map_single(toe->dev, skb->data, len, DMA_TO_DEVICE);
1899 + } else {
1900 + skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_id - 1];
1901 + len = frag->size;
1902 + pkt_datap = dma_map_page(toe->dev, frag->page, frag->page_offset, len, DMA_TO_DEVICE);
1903 + }
1904 +
1905 + /* set TX descriptor */
1906 + word0 = len;
1907 + word3 = (dev->mtu + 14) | EOFIE_BIT;
1908 +
1909 +#ifdef DO_HW_CHKSUM
1910 + if (total_len <= 1514 && ip_hdr(skb) && (ip_hdr(skb)->frag_off & __constant_htons(0x3fff)))
1911 + word1 = total_len |
1912 + TSS_IP_CHKSUM_BIT |
1913 + TSS_IPV6_ENABLE_BIT |
1914 + TSS_MTU_ENABLE_BIT;
1915 + else
1916 + word1 = total_len |
1917 + TSS_UDP_CHKSUM_BIT |
1918 + TSS_TCP_CHKSUM_BIT |
1919 + TSS_IP_CHKSUM_BIT |
1920 + TSS_IPV6_ENABLE_BIT |
1921 + TSS_MTU_ENABLE_BIT;
1922 +#else
1923 + word1 = total_len | TSS_MTU_ENABLE_BIT;
1924 +#endif
1925 + word2 = pkt_datap;
1926 +
1927 + if (frag_id == 0)
1928 + word3 |= SOF_BIT;
1929 +
1930 + if (snd_pages == 1) {
1931 + word3 |= EOF_BIT;
1932 + swtxq->tx_skb[wptr] = skb;
1933 + } else
1934 + swtxq->tx_skb[wptr] = NULL;
1935 +
1936 +#ifdef GMAC_LEN_1_2_ISSUE
1937 + if ((total_pages != snd_pages) && (len == 1 || len == 2) && ((u32)pkt_datap & 0x03)) {
1938 + memcpy((void *)&_debug_prefetch_buf[_debug_prefetch_cnt][0], pkt_datap, len);
1939 + pkt_datap = (char *)&_debug_prefetch_buf[_debug_prefetch_cnt][0];
1940 + word2 = (unsigned long)__pa(pkt_datap);
1941 + _debug_prefetch_cnt++;
1942 + if (_debug_prefetch_cnt >= _DEBUG_PREFETCH_NUM)
1943 + _debug_prefetch_cnt = 0;
1944 + }
1945 +#endif
1946 + curr_desc->word0.bits32 = word0;
1947 + curr_desc->word1.bits32 = word1;
1948 + curr_desc->word2.bits32 = word2;
1949 + curr_desc->word3.bits32 = word3;
1950 + free_desc--;
1951 + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
1952 + wptr * sizeof(GMAC_TXDESC_T),
1953 + sizeof(GMAC_TXDESC_T),
1954 + DMA_TO_DEVICE);
1955 + wptr = RWPTR_ADVANCE_ONE(wptr, TOE_GMAC_SWTXQ_DESC_NUM);
1956 + frag_id++;
1957 + snd_pages--;
1958 + }
1959 +
1960 + SET_WPTR(swtxq->rwptr_reg, wptr);
1961 + dev->trans_start = jiffies;
1962 +
1963 + return 0;
1964 +}
1965 +
1966 +static void __gmac_set_mac_address(struct net_device *dev)
1967 +{
1968 + unsigned int reg_val;
1969 +
1970 + reg_val = dev->dev_addr[0] + (dev->dev_addr[1] << 8) +
1971 + (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24);
1972 + __raw_writel(reg_val, dev->base_addr + GMAC_STA_ADD0);
1973 + reg_val = (__raw_readl(dev->base_addr + GMAC_STA_ADD1) & 0xFFFF0000) +
1974 + dev->dev_addr[4] + (dev->dev_addr[5] << 8);
1975 + __raw_writel(reg_val, dev->base_addr + GMAC_STA_ADD1);
1976 +}
1977 +
1978 +static int gmac_set_mac_address(struct net_device *dev, void *addr)
1979 +{
1980 + struct sockaddr *sa = addr;
1981 +
1982 + memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);
1983 +
1984 + __gmac_set_mac_address(dev);
1985 +
1986 + return 0;
1987 +}
1988 +
1989 +static void gmac_get_mac_address(struct net_device *dev)
1990 +{
1991 + unsigned int reg_val;
1992 +
1993 + reg_val = __raw_readl(dev->base_addr + GMAC_STA_ADD0);
1994 + dev->dev_addr[0] = reg_val & 0xFF;
1995 + dev->dev_addr[1] = (reg_val >> 8) & 0xFF;
1996 + dev->dev_addr[2] = (reg_val >> 16) & 0xFF;
1997 + dev->dev_addr[3] = (reg_val >> 24) & 0xFF;
1998 + reg_val = __raw_readl(dev->base_addr + GMAC_STA_ADD1);
1999 + dev->dev_addr[4] = reg_val & 0xFF;
2000 + dev->dev_addr[5] = (reg_val >> 8) & 0xFF;
2001 +
2002 + if (!is_valid_ether_addr(dev->dev_addr)) {
2003 + random_ether_addr(dev->dev_addr);
2004 + __gmac_set_mac_address(dev);
2005 + }
2006 +}
2007 +
2008 +struct net_device_stats *gmac_get_stats(struct net_device *dev)
2009 +{
2010 + if (netif_running(dev)) {
2011 + unsigned short multicast;
2012 +
2013 + multicast = __raw_readw(dev->base_addr + GMAC_IN_MCAST) +
2014 + __raw_readw(dev->base_addr + GMAC_IN_BCAST);
2015 +
2016 + dev->stats.rx_dropped += __raw_readw(dev->base_addr + GMAC_IN_DISCARDS);
2017 + dev->stats.rx_errors += __raw_readw(dev->base_addr + GMAC_IN_ERRORS);
2018 + dev->stats.rx_packets += __raw_readl(dev->base_addr + GMAC_IN_MAC1) + multicast;
2019 + dev->stats.multicast += multicast;
2020 + }
2021 +
2022 + return &dev->stats;
2023 +}
2024 +
2025 +/* TODO: If possible use crc32 from kernel lib */
2026 +static unsigned const ethernet_polynomial = 0x04c11db7U;
2027 +static unsigned int ether_crc(int length, unsigned char *data)
2028 +{
2029 + int crc = -1;
2030 + unsigned int i;
2031 + unsigned int crc_val = 0;
2032 +
2033 + while (--length >= 0) {
2034 + unsigned char current_octet = *data++;
2035 + int bit;
2036 + for (bit = 0; bit < 8; bit++, current_octet >>= 1)
2037 + crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ?
2038 + ethernet_polynomial : 0);
2039 + }
2040 + crc = ~crc;
2041 + for (i = 0; i < 32; i++)
2042 + crc_val = crc_val + (((crc << i) & 0x80000000) >> (31 - i));
2043 +
2044 + return crc_val;
2045 +}
2046 +
2047 +/*----------------------------------------------------------------------
2048 +* toe_gmac_fill_free_q
2049 +* allocate buffers for free queue.
2050 +*----------------------------------------------------------------------*/
2051 +static void toe_gmac_fill_free_q(struct toe_private *toe)
2052 +{
2053 + struct sk_buff *skb;
2054 + DMA_RWPTR_T fq_rwptr;
2055 + GMAC_RXDESC_T *fq_desc;
2056 + unsigned long flags;
2057 +
2058 + spin_lock_irqsave(&toe->freeq_lock, flags);
2059 + fq_rwptr.bits32 = __raw_readl(toe->global_base + GLOBAL_SWFQ_RWPTR_REG);
2060 + while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
2061 + TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) {
2062 + skb = dev_alloc_skb(SW_RX_BUF_SIZE);
2063 + if (skb == NULL) {
2064 + dev_err(toe->dev, "%s::skb allocation fail\n", __func__);
2065 + break;
2066 + }
2067 + REG32(skb->data) = (unsigned int)skb;
2068 + skb_reserve(skb, SKB_RESERVE_BYTES);
2069 + fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
2070 + TOE_SW_FREEQ_DESC_NUM);
2071 + fq_desc = (GMAC_RXDESC_T *)toe->swfq_desc_base + fq_rwptr.bits.wptr;
2072 + fq_desc->word2.buf_adr = dma_map_single(toe->dev, skb->data,
2073 + SW_RX_BUF_SIZE - SKB_RESERVE_BYTES,
2074 + DMA_FROM_DEVICE);
2075 + dma_sync_single_range_for_device(toe->dev,
2076 + toe->sw_freeq_desc_base_dma,
2077 + fq_rwptr.bits.wptr * sizeof(GMAC_RXDESC_T),
2078 + sizeof(GMAC_RXDESC_T),
2079 + DMA_TO_DEVICE);
2080 + SET_WPTR(toe->global_base + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
2081 + }
2082 + spin_unlock_irqrestore(&toe->freeq_lock, flags);
2083 +}
2084 +
2085 +static void fill_free_q_worker(struct work_struct *work)
2086 +{
2087 + struct toe_private *toe = container_of(work, struct toe_private, freq_work);
2088 +
2089 + toe_gmac_fill_free_q(toe);
2090 +}
2091 +
2092 +/*----------------------------------------------------------------------
2093 +* toe_gmac_handle_default_rxq
2094 +* (1) Get rx Buffer for default Rx queue
2095 +* (2) notify or call upper-routine to handle it
2096 +* (3) get a new buffer and insert it into SW free queue
2097 +* (4) Note: The SW free queue Read-Write Pointer should be locked when accessing
2098 +*----------------------------------------------------------------------*/
2099 +static void toe_gmac_handle_default_rxq(struct net_device *dev)
2100 +{
2101 + struct gmac_private *gmac = netdev_priv(dev);
2102 + struct toe_private *toe = dev->ml_priv;
2103 + GMAC_RXDESC_T *curr_desc;
2104 + struct sk_buff *skb;
2105 + DMA_RWPTR_T rwptr;
2106 + unsigned int pkt_size;
2107 + int max_cnt;
2108 + unsigned int desc_count;
2109 + unsigned int chksum_status, rx_status;
2110 + struct net_device_stats *isPtr = &dev->stats;
2111 +
2112 + rwptr.bits32 = __raw_readl(&gmac->default_qhdr->word1);
2113 + max_cnt = DEFAULT_RXQ_MAX_CNT;
2114 + while ((--max_cnt) && rwptr.bits.rptr != rwptr.bits.wptr) {
2115 + curr_desc = (GMAC_RXDESC_T *)gmac->default_desc_base + rwptr.bits.rptr;
2116 + dma_sync_single_range_for_device(toe->dev,
2117 + gmac->default_desc_base_dma,
2118 + rwptr.bits.rptr * sizeof(GMAC_RXDESC_T),
2119 + sizeof(GMAC_RXDESC_T),
2120 + DMA_FROM_DEVICE);
2121 + rx_status = curr_desc->word0.bits.status;
2122 + chksum_status = curr_desc->word0.bits.chksum_status;
2123 + pkt_size = curr_desc->word1.bits.byte_count; /* total byte count in a frame */
2124 + desc_count = curr_desc->word0.bits.desc_count; /* get descriptor count per frame */
2125 + skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
2126 +
2127 + if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr))
2128 + || (pkt_size < 60) || (chksum_status & 0x4) || rx_status) {
2129 + if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_derr)
2130 + dev_err(&dev->dev, "%s::derr\n", __func__);
2131 + if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_perr)
2132 + dev_err(&dev->dev, "%s::perr\n", __func__);
2133 + if (rx_status && (rx_status == 4 || rx_status == 7))
2134 + isPtr->rx_crc_errors++;
2135 +
2136 + dev_kfree_skb_irq(skb);
2137 + goto bad_frame;
2138 + }
2139 +
2140 + if (curr_desc->word0.bits.drop)
2141 + dev_warn(&dev->dev, "%s::Drop\n", __func__);
2142 +
2143 + /* get frame information from the first descriptor of the frame */
2144 + skb_reserve(skb, RX_INSERT_BYTES); /* 16 byte align the IP fields. */
2145 + skb_put(skb, pkt_size);
2146 + skb->dev = dev;
2147 + skb->protocol = eth_type_trans(skb, dev);
2148 + if (chksum_status == RX_CHKSUM_IP_UDP_TCP_OK || chksum_status == RX_CHKSUM_IP_OK_ONLY)
2149 + skb->ip_summed = CHECKSUM_UNNECESSARY;
2150 +
2151 + netif_rx(skb); /* socket rx */
2152 + dev->last_rx = jiffies;
2153 +
2154 + isPtr->rx_bytes += pkt_size;
2155 +
2156 +bad_frame:
2157 + /* advance one for Rx default Q 0/1 */
2158 + rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, TOE_DEFAULT_Q_DESC_NUM);
2159 + SET_RPTR(&gmac->default_qhdr->word1, rwptr.bits.rptr);
2160 + }
2161 +
2162 + schedule_work(&toe->freq_work);
2163 +}
2164 +
2165 +static irqreturn_t toe_gmac_interrupt(int irq, void *dev_instance)
2166 +{
2167 + struct net_device *dev = dev_instance;
2168 + struct gmac_private *gmac = netdev_priv(dev);
2169 + struct toe_private *toe = dev->ml_priv;
2170 + unsigned int status0;
2171 + unsigned int status1;
2172 + unsigned int status2;
2173 + unsigned int status3;
2174 + unsigned int status4;
2175 + int handled = 0;
2176 +
2177 + /* read Interrupt status */
2178 + status0 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG);
2179 + status1 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG);
2180 + status2 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG);
2181 + status3 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG);
2182 + status4 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG);
2183 +
2184 + /* clear interrupts */
2185 + if (status0)
2186 + __raw_writel(status0, toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG);
2187 + if (status1)
2188 + __raw_writel(status1, toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG);
2189 + if (status2)
2190 + __raw_writel(status2, toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG);
2191 + if (status3)
2192 + __raw_writel(status3, toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG);
2193 + if (status4)
2194 + __raw_writel(status4, toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG);
2195 +
2196 + /* handle freeq interrupt first */
2197 + if (status4 & gmac->intr4_enabled) {
2198 + if ((status4 & SWFQ_EMPTY_INT_BIT) && (gmac->intr4_enabled & SWFQ_EMPTY_INT_BIT)) {
2199 + toe_gmac_fill_free_q(toe);
2200 + handled = 1;
2201 + }
2202 + }
2203 +
2204 + /* Interrupt Status 1 */
2205 + if (status1 & gmac->intr1_enabled) {
2206 + /*
2207 + * Handle GMAC 0/1 HW Tx queue 0-3 EOF events
2208 + * Only count
2209 + * TOE, Classification, and default queues interrupts are handled by ISR
2210 + * because they should pass packets to upper layer
2211 + */
2212 + if (gmac->port_id == 0) {
2213 + if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (gmac->intr1_enabled & DEFAULT_Q0_INT_BIT)) {
2214 + toe_gmac_handle_default_rxq(dev);
2215 + handled = 1;
2216 + }
2217 + } else if (gmac->port_id == 1) {
2218 + if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (gmac->intr1_enabled & DEFAULT_Q1_INT_BIT)) {
2219 + toe_gmac_handle_default_rxq(dev);
2220 + handled = 1;
2221 + }
2222 + }
2223 + }
2224 +
2225 + /* Interrupt Status 0 */
2226 + if (status0 & gmac->intr0_enabled) {
2227 +#ifndef GMAX_TX_INTR_DISABLED
2228 + if (gmac->port_id == 1 && netif_running(dev) &&
2229 + (((status0 & GMAC1_SWTQ10_FIN_INT_BIT) && (gmac->intr0_enabled & GMAC1_SWTQ10_FIN_INT_BIT))
2230 + ||
2231 + ((status0 & GMAC1_SWTQ10_EOF_INT_BIT) && (gmac->intr0_enabled & GMAC1_SWTQ10_EOF_INT_BIT)))) {
2232 + toe_gmac_tx_complete(dev, 0);
2233 + handled = 1;
2234 + }
2235 +
2236 + if (gmac->port_id == 0 && netif_running(dev) &&
2237 + (((status0 & GMAC0_SWTQ00_FIN_INT_BIT) && (gmac->intr0_enabled & GMAC0_SWTQ00_FIN_INT_BIT))
2238 + ||
2239 + ((status0 & GMAC0_SWTQ00_EOF_INT_BIT) && (gmac->intr0_enabled & GMAC0_SWTQ00_EOF_INT_BIT)))) {
2240 + toe_gmac_tx_complete(dev, 0);
2241 + handled = 1;
2242 + }
2243 +#endif
2244 + }
2245 +
2246 + return IRQ_RETVAL(handled);
2247 +}
2248 +
2249 +static int gmac_open(struct net_device *dev)
2250 +{
2251 + struct gmac_private *gmac = netdev_priv(dev);
2252 + int retval;
2253 +
2254 + /* hook ISR */
2255 + retval = request_irq(dev->irq, toe_gmac_interrupt, 0, dev->name, dev);
2256 + if (retval)
2257 + return retval;
2258 +
2259 + toe_init_gmac(dev);
2260 +
2261 + netif_carrier_off(dev);
2262 + phy_start(gmac->phydev);
2263 +
2264 + netif_start_queue(dev);
2265 +
2266 + return 0;
2267 +}
2268 +
2269 +static int gmac_close(struct net_device *dev)
2270 +{
2271 + struct gmac_private *gmac = netdev_priv(dev);
2272 +
2273 + netif_stop_queue(dev);
2274 + mdelay(20);
2275 +
2276 + if (gmac->phydev)
2277 + phy_stop(gmac->phydev);
2278 +
2279 + /* stop tx/rx packet */
2280 + toe_gmac_disable_tx_rx(dev);
2281 + mdelay(20);
2282 +
2283 + /* stop the chip's Tx and Rx DMA processes */
2284 + toe_gmac_hw_stop(gmac);
2285 +
2286 + disable_irq(dev->irq);
2287 + free_irq(dev->irq, dev);
2288 +
2289 + return 0;
2290 +}
2291 +
2292 +static void gmac_get_phy_status(struct net_device *dev)
2293 +{
2294 + struct gmac_private *gmac = netdev_priv(dev);
2295 + GMAC_CONFIG0_T config0;
2296 + GMAC_STATUS_T status, old_status;
2297 + struct phy_device *phydev = gmac->phydev;
2298 +
2299 + old_status.bits32 = status.bits32 = __raw_readl(dev->base_addr + GMAC_STATUS);
2300 +
2301 + status.bits.link = phydev->link;
2302 + status.bits.duplex = phydev->duplex;
2303 +
2304 + switch (phydev->speed) {
2305 + case 1000:
2306 + status.bits.speed = GMAC_SPEED_1000;
2307 + if (phydev->interface == PHY_INTERFACE_MODE_RGMII)
2308 + status.bits.mii_rmii = GMAC_PHY_RGMII_1000;
2309 + break;
2310 + case 100:
2311 + status.bits.speed = GMAC_SPEED_100;
2312 + if (phydev->interface == PHY_INTERFACE_MODE_RGMII)
2313 + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10;
2314 + break;
2315 + case 10:
2316 + status.bits.speed = GMAC_SPEED_10;
2317 + if (phydev->interface == PHY_INTERFACE_MODE_RGMII)
2318 + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10;
2319 + break;
2320 + default:
2321 + dev_warn(&dev->dev, "Not supported PHY speed (%d)\n", phydev->speed);
2322 + }
2323 +
2324 + if (phydev->pause) {
2325 + if (gmac->flow_control_enable == 0) {
2326 + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
2327 + config0.bits.tx_fc_en = 1; /* enable tx flow control */
2328 + config0.bits.rx_fc_en = 1; /* enable rx flow control */
2329 + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
2330 + dev_info(&dev->dev, "MII flow control enabled\n");
2331 + }
2332 + gmac->flow_control_enable = 1;
2333 + } else {
2334 + if (gmac->flow_control_enable == 1) {
2335 + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
2336 + config0.bits.tx_fc_en = 0; /* disable tx flow control */
2337 + config0.bits.rx_fc_en = 0; /* disable rx flow control */
2338 + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
2339 + dev_info(&dev->dev, "MII flow control disabled\n");
2340 + }
2341 + gmac->flow_control_enable = 0;
2342 + }
2343 +
2344 + if (old_status.bits32 != status.bits32) {
2345 + toe_gmac_disable_tx_rx(dev);
2346 + phy_print_status(phydev);
2347 + mdelay(10); /* let GMAC consume packet */
2348 + __raw_writel(status.bits32, dev->base_addr + GMAC_STATUS);
2349 + if (status.bits.link)
2350 + toe_gmac_enable_tx_rx(dev);
2351 + }
2352 +}
2353 +
2354 +static void gmac_set_rx_mode(struct net_device *dev)
2355 +{
2356 + GMAC_RX_FLTR_T filter;
2357 + unsigned int mc_filter[2]; /* Multicast hash filter */
2358 + int bit_nr;
2359 + unsigned int i;
2360 +
2361 + filter.bits32 = 0;
2362 + filter.bits.error = 0;
2363 + if (dev->flags & IFF_PROMISC) {
2364 + filter.bits.error = 1;
2365 + filter.bits.promiscuous = 1;
2366 + filter.bits.broadcast = 1;
2367 + filter.bits.multicast = 1;
2368 + filter.bits.unicast = 1;
2369 + mc_filter[1] = mc_filter[0] = 0xffffffff;
2370 + } else if (dev->flags & IFF_ALLMULTI) {
2371 + filter.bits.broadcast = 1;
2372 + filter.bits.multicast = 1;
2373 + filter.bits.unicast = 1;
2374 + mc_filter[1] = mc_filter[0] = 0xffffffff;
2375 + } else {
2376 + struct dev_mc_list *mclist;
2377 +
2378 + filter.bits.broadcast = 1;
2379 + filter.bits.multicast = 1;
2380 + filter.bits.unicast = 1;
2381 + mc_filter[1] = mc_filter[0] = 0;
2382 + for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; i++, mclist = mclist->next) {
2383 + bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3f;
2384 + if (bit_nr <= 32)
2385 + mc_filter[0] = mc_filter[0] | (1 << bit_nr);
2386 + else
2387 + mc_filter[1] = mc_filter[1] | (1 << (bit_nr - 32));
2388 + }
2389 + }
2390 + __raw_writel(filter.bits32, dev->base_addr + GMAC_RX_FLTR);
2391 + __raw_writel(mc_filter[0], dev->base_addr + GMAC_MCAST_FIL0);
2392 + __raw_writel(mc_filter[1], dev->base_addr + GMAC_MCAST_FIL1);
2393 +}
2394 +
2395 +static void gmac_tx_timeout(struct net_device *dev)
2396 +{
2397 + if (!netif_queue_stopped(dev))
2398 + netif_wake_queue(dev);
2399 +
2400 + dev_warn(&dev->dev, "TX timeout\n");
2401 +}
2402 +
2403 +const static struct net_device_ops gemini_gmac_ops = {
2404 + .ndo_open = gmac_open,
2405 + .ndo_stop = gmac_close,
2406 + .ndo_start_xmit = gmac_start_xmit,
2407 + .ndo_get_stats = gmac_get_stats,
2408 + .ndo_set_multicast_list = gmac_set_rx_mode,
2409 + .ndo_set_mac_address = gmac_set_mac_address,
2410 + .ndo_tx_timeout = gmac_tx_timeout,
2411 +};
2412 +
2413 +static void __init mac_init_drv(struct toe_private *toe)
2414 +{
2415 + QUEUE_THRESHOLD_T threshold;
2416 + DMA_SKB_SIZE_T skb_size;
2417 +
2418 + /* clear non TOE Queue Header Area */
2419 + memset(toe->global_base + TOE_NONTOE_QUE_HDR_BASE, 0,
2420 + NONTOE_Q_HDR_AREA_END - TOE_NONTOE_QUE_HDR_BASE);
2421 +
2422 + /* clear TOE Queue Header Area */
2423 + memset(toe->global_base + TOE_TOE_QUE_HDR_BASE, 0,
2424 + TOE_Q_HDR_AREA_END - TOE_TOE_QUE_HDR_BASE);
2425 +
2426 + /* Write GLOBAL_QUEUE_THRESHOLD_REG */
2427 + threshold.bits32 = 0;
2428 + threshold.bits.swfq_empty = (TOE_SW_FREEQ_DESC_NUM > 256) ? 255 :
2429 + TOE_SW_FREEQ_DESC_NUM / 2;
2430 + threshold.bits.hwfq_empty = (TOE_HW_FREEQ_DESC_NUM > 256) ? 256 / 4 :
2431 + TOE_HW_FREEQ_DESC_NUM / 4;
2432 + threshold.bits.toe_class = (TOE_TOE_DESC_NUM > 256) ? 256 / 4 :
2433 + TOE_TOE_DESC_NUM / 4;
2434 + threshold.bits.intrq = (TOE_INTR_DESC_NUM > 256) ? 256 / 4 :
2435 + TOE_INTR_DESC_NUM / 4;
2436 + __raw_writel(threshold.bits32, toe->global_base + GLOBAL_QUEUE_THRESHOLD_REG);
2437 +
2438 + /* Init skb size */
2439 + skb_size.bits.hw_skb_size = HW_RX_BUF_SIZE;
2440 + skb_size.bits.sw_skb_size = SW_RX_BUF_SIZE;
2441 + __raw_writel(skb_size.bits32, toe->global_base + GLOBAL_DMA_SKB_SIZE_REG);
2442 +
2443 + toe_init_free_queue(toe);
2444 + toe_init_interrupt_config(toe);
2445 +}
2446 +
2447 +static int __init gmac_init_eth(struct platform_device *pdev, unsigned int num)
2448 +{
2449 + struct gmac_private *gmac;
2450 + struct net_device *dev;
2451 + struct toe_private *toe = platform_get_drvdata(pdev);
2452 + struct gemini_gmac_platform_data *pdata = pdev->dev.platform_data;
2453 +
2454 + if (!pdata->bus_id[num])
2455 + return 0;
2456 +
2457 + dev = alloc_etherdev(sizeof(*gmac));
2458 + if (dev == NULL) {
2459 + dev_err(&pdev->dev, "Can't allocate ethernet device #%d\n", num);
2460 + return -ENOMEM;
2461 + }
2462 +
2463 + gmac = netdev_priv(dev);
2464 + dev->ml_priv = toe;
2465 + toe->net_dev[num] = dev;
2466 +
2467 + gmac->dma_base_addr = toe->global_base + TOE_GMAC_DMA_BASE(num);
2468 + gmac->port_id = num;
2469 +
2470 + dev->base_addr = toe->global_base + TOE_GMAC_BASE(num);
2471 + dev->irq = platform_get_irq(pdev, num);
2472 + dev->netdev_ops = &gemini_gmac_ops;
2473 + dev->watchdog_timeo = GMAC_DEV_TX_TIMEOUT;
2474 + dev->tx_queue_len = TOE_GMAC_SWTXQ_DESC_NUM;
2475 +
2476 +#ifdef DO_HW_CHKSUM
2477 + dev->features = NETIF_F_SG | NETIF_F_HW_CSUM;
2478 +#ifdef ENABLE_TSO
2479 + dev->features |= NETIF_F_TSO;
2480 +#endif
2481 +#endif
2482 +
2483 + toe_init_swtx_queue(dev);
2484 + toe_init_default_queue(dev);
2485 +
2486 + gmac_get_mac_address(dev);
2487 +
2488 + /* TODO: Do we need this? */
2489 + __raw_writel(0x55aa55aa, dev->base_addr + GMAC_STA_ADD2);
2490 +
2491 + if (register_netdev(dev))
2492 + return -1;
2493 +
2494 + gmac->phydev = phy_connect(dev, pdata->bus_id[num], &gmac_get_phy_status, 0,
2495 + pdata->interface[num]);
2496 + if (IS_ERR(gmac->phydev))
2497 + return PTR_ERR(gmac->phydev);
2498 +
2499 + gmac->phydev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause;
2500 + gmac->phydev->advertising = gmac->phydev->supported;
2501 +
2502 + return 0;
2503 +}
2504 +
2505 +static int __init gmac_probe(struct platform_device *pdev)
2506 +{
2507 + struct resource *res;
2508 + struct toe_private *toe;
2509 + int retval;
2510 +
2511 + if (!pdev->dev.platform_data)
2512 + return -EINVAL;
2513 +
2514 + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2515 + if (!res) {
2516 + dev_err(&pdev->dev, "can't get device resources\n");
2517 + return -ENODEV;
2518 + }
2519 +
2520 + toe = kzalloc(sizeof(struct toe_private), GFP_KERNEL);
2521 + if (!toe)
2522 + return -ENOMEM;
2523 +
2524 + toe->dev = &pdev->dev;
2525 +
2526 + toe->global_base = ioremap(res->start, resource_size(res));
2527 + if (!toe->global_base) {
2528 + dev_err(toe->dev, "ioremap failed\n");
2529 + retval = -EIO;
2530 + goto err_data;
2531 + }
2532 +
2533 + platform_set_drvdata(pdev, toe);
2534 +
2535 + mac_init_drv(toe);
2536 +
2537 + INIT_WORK(&toe->freq_work, fill_free_q_worker);
2538 + spin_lock_init(&toe->freeq_lock);
2539 +
2540 + retval = gmac_init_eth(pdev, GMAC_PORT0);
2541 + if (retval)
2542 + goto err_unmap;
2543 + retval = gmac_init_eth(pdev, GMAC_PORT1);
2544 + if (retval)
2545 + goto err_unmap;
2546 +
2547 + dev_info(&pdev->dev, SL351x_DRIVER_NAME "\n");
2548 +
2549 + return 0;
2550 +
2551 +err_unmap:
2552 + iounmap(toe->global_base);
2553 +err_data:
2554 + kfree(toe);
2555 + return retval;
2556 +}
2557 +
2558 +static int __exit gmac_remove(struct platform_device *pdev)
2559 +{
2560 + struct toe_private *toe = platform_get_drvdata(pdev);
2561 + int i;
2562 +
2563 + for (i = 0; i < 2; i++)
2564 + if (toe->net_dev[i]) {
2565 + unregister_netdev(toe->net_dev[i]);
2566 + kfree(toe->net_dev[i]);
2567 + }
2568 +
2569 + iounmap(toe->global_base);
2570 +
2571 + kfree(toe);
2572 +
2573 + return 0;
2574 +}
2575 +
2576 +static struct platform_driver gemini_gmac_driver = {
2577 + .probe = gmac_probe,
2578 + .remove = __exit_p(gmac_remove),
2579 +
2580 + .driver = {
2581 + .name = "gemini-gmac",
2582 + .owner = THIS_MODULE,
2583 + },
2584 +};
2585 +
2586 +static int __init gemini_gmac_init(void)
2587 +{
2588 + return platform_driver_register(&gemini_gmac_driver);
2589 +}
2590 +
2591 +static void __exit gemini_gmac_exit(void)
2592 +{
2593 + platform_driver_unregister(&gemini_gmac_driver);
2594 +}
2595 +
2596 +module_init(gemini_gmac_init);
2597 +module_exit(gemini_gmac_exit);
2598 +
2599 +MODULE_AUTHOR("Paulius Zaleckas");
2600 +MODULE_DESCRIPTION("Ethernet device driver for Gemini SoC");
2601 +MODULE_LICENSE("GPL");
2602 +MODULE_ALIAS("platform:gemini-gmac");
2603 --- /dev/null
2604 +++ b/drivers/net/gemini_negmac/gm_gmac.h
2605 @@ -0,0 +1,1488 @@
2606 +/*
2607 + * Register definitions for Gemini Ethernet device driver.
2608 + *
2609 + * Copyright (C) 2006, Storlink, Corp.
2610 + * Copyright (C) 2008-2009, Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
2611 + *
2612 + * This program is free software; you can redistribute it and/or modify
2613 + * it under the terms of the GNU General Public License as published by
2614 + * the Free Software Foundation; either version 2 of the License, or
2615 + * (at your option) any later version.
2616 + */
2617 +#ifndef _GMAC_SL351x_H
2618 +#define _GMAC_SL351x_H
2619 +#include <linux/skbuff.h>
2620 +
2621 +#define _PACKED_ __attribute__ ((aligned(1), packed))
2622 +
2623 +#ifndef BIT
2624 +#define BIT(x) (1 << (x))
2625 +#endif
2626 +
2627 +#define REG32(addr) (*(volatile unsigned long * const)(addr))
2628 +
2629 +/* Define frame size */
2630 +#define GMAC_MAX_ETH_FRAME_SIZE 1514
2631 +#define GMAC_TX_BUF_SIZE ((GMAC_MAX_ETH_FRAME_SIZE + 31) & (~31))
2632 +
2633 +#define SW_RX_BUF_SIZE 1536
2634 +#define HW_RX_BUF_SIZE 1536
2635 +
2636 +#define GMAC_DEV_TX_TIMEOUT (10*HZ)
2637 +#define SKB_RESERVE_BYTES 16
2638 +
2639 +/*
2640 + * Base Registers
2641 + */
2642 +#define TOE_NONTOE_QUE_HDR_BASE 0x2000
2643 +#define TOE_TOE_QUE_HDR_BASE 0x3000
2644 +#define TOE_V_BIT_BASE 0x4000
2645 +#define TOE_A_BIT_BASE 0x6000
2646 +#define TOE_GMAC_DMA_BASE(x) (0x8000 + 0x4000 * (x))
2647 +#define TOE_GMAC_BASE(x) (0xA000 + 0x4000 * (x))
2648 +
2649 +/*
2650 + * Queue ID
2651 + */
2652 +#define TOE_SW_FREE_QID 0x00
2653 +#define TOE_HW_FREE_QID 0x01
2654 +#define TOE_GMAC0_SW_TXQ0_QID 0x02
2655 +#define TOE_GMAC0_SW_TXQ1_QID 0x03
2656 +#define TOE_GMAC0_SW_TXQ2_QID 0x04
2657 +#define TOE_GMAC0_SW_TXQ3_QID 0x05
2658 +#define TOE_GMAC0_SW_TXQ4_QID 0x06
2659 +#define TOE_GMAC0_SW_TXQ5_QID 0x07
2660 +#define TOE_GMAC0_HW_TXQ0_QID 0x08
2661 +#define TOE_GMAC0_HW_TXQ1_QID 0x09
2662 +#define TOE_GMAC0_HW_TXQ2_QID 0x0A
2663 +#define TOE_GMAC0_HW_TXQ3_QID 0x0B
2664 +#define TOE_GMAC1_SW_TXQ0_QID 0x12
2665 +#define TOE_GMAC1_SW_TXQ1_QID 0x13
2666 +#define TOE_GMAC1_SW_TXQ2_QID 0x14
2667 +#define TOE_GMAC1_SW_TXQ3_QID 0x15
2668 +#define TOE_GMAC1_SW_TXQ4_QID 0x16
2669 +#define TOE_GMAC1_SW_TXQ5_QID 0x17
2670 +#define TOE_GMAC1_HW_TXQ0_QID 0x18
2671 +#define TOE_GMAC1_HW_TXQ1_QID 0x19
2672 +#define TOE_GMAC1_HW_TXQ2_QID 0x1A
2673 +#define TOE_GMAC1_HW_TXQ3_QID 0x1B
2674 +#define TOE_GMAC0_DEFAULT_QID 0x20
2675 +#define TOE_GMAC1_DEFAULT_QID 0x21
2676 +#define TOE_CLASSIFICATION_QID(x) (0x22 + x) // 0x22 ~ 0x2F
2677 +#define TOE_TOE_QID(x) (0x40 + x) // 0x40 ~ 0x7F
2678 +
2679 +/*
2680 + * TOE DMA Queue Number should be 2^n, n = 6...12
2681 + * TOE DMA Queues are the following queue types:
2682 + * SW Free Queue, HW Free Queue,
2683 + * GMAC 0/1 SW TX Q0-5, and GMAC 0/1 HW TX Q0-5
2684 + * They have same descriptor numbers.
2685 + * The base address and descriptor number are configured at
2686 + * DMA Queues Descriptor Ring Base Address/Size Register (offset 0x0004)
2687 + */
2688 +#define TOE_SW_FREEQ_DESC_POWER 8
2689 +#define TOE_SW_FREEQ_DESC_NUM (1<<TOE_SW_FREEQ_DESC_POWER)
2690 +#define TOE_HW_FREEQ_DESC_POWER 8
2691 +#define TOE_HW_FREEQ_DESC_NUM (1<<TOE_HW_FREEQ_DESC_POWER)
2692 +#define TOE_GMAC_SWTXQ_DESC_POWER 8
2693 +#define TOE_GMAC_SWTXQ_DESC_NUM (1<<TOE_GMAC_SWTXQ_DESC_POWER)
2694 +#define TOE_GMAC_HWTXQ_DESC_POWER 8
2695 +#define TOE_GMAC_HWTXQ_DESC_NUM (1<<TOE_GMAC_HWTXQ_DESC_POWER)
2696 +#define TOE_DEFAULT_Q_DESC_POWER 8
2697 +#define TOE_DEFAULT_Q_DESC_NUM (1<<TOE_DEFAULT_Q_DESC_POWER)
2698 +#define TOE_TOE_DESC_POWER 8
2699 +#define TOE_TOE_DESC_NUM (1<<TOE_TOE_DESC_POWER)
2700 +#define TOE_CLASS_DESC_POWER 8
2701 +#define TOE_CLASS_DESC_NUM (1<<TOE_CLASS_DESC_POWER)
2702 +#define TOE_INTR_DESC_POWER 8
2703 +#define TOE_INTR_DESC_NUM (1<<TOE_INTR_DESC_POWER)
2704 +
2705 +#define TOE_TOE_QUEUE_MAX 64
2706 +#define TOE_TOE_QUEUE_NUM 64
2707 +#define TOE_CLASS_QUEUE_MAX 14
2708 +#define TOE_CLASS_QUEUE_NUM 14
2709 +#define TOE_INTR_QUEUE_MAX 4
2710 +#define TOE_INTR_QUEUE_NUM 4
2711 +#define TOE_SW_TXQ_MAX 6
2712 +#define TOE_SW_TXQ_NUM 1
2713 +#define TOE_HW_TXQ_MAX 4
2714 +#define TOE_HW_TXQ_NUM 4
2715 +
2716 +#define RWPTR_ADVANCE_ONE(x, max) ((x == (max -1)) ? 0 : x+1)
2717 +#define RWPTR_RECEDE_ONE(x, max) ((x == 0) ? (max -1) : x-1)
2718 +#define SET_WPTR(addr, data) (*(volatile u16 * const)((u32)(addr) + 2) = (u16)data)
2719 +#define SET_RPTR(addr, data) (*(volatile u16 * const)((u32)(addr)) = (u16)data)
2720 +
2721 +/*
2722 + * Global registers
2723 + * #define TOE_GLOBAL_BASE (TOE_BASE + 0x0000)
2724 + * Base 0x60000000
2725 + */
2726 +#define GLOBAL_TOE_VERSION_REG 0x0000
2727 +#define GLOBAL_SW_FREEQ_BASE_SIZE_REG 0x0004
2728 +#define GLOBAL_HW_FREEQ_BASE_SIZE_REG 0x0008
2729 +#define GLOBAL_DMA_SKB_SIZE_REG 0x0010
2730 +#define GLOBAL_SWFQ_RWPTR_REG 0x0014
2731 +#define GLOBAL_HWFQ_RWPTR_REG 0x0018
2732 +#define GLOBAL_INTERRUPT_STATUS_0_REG 0x0020
2733 +#define GLOBAL_INTERRUPT_ENABLE_0_REG 0x0024
2734 +#define GLOBAL_INTERRUPT_SELECT_0_REG 0x0028
2735 +#define GLOBAL_INTERRUPT_STATUS_1_REG 0x0030
2736 +#define GLOBAL_INTERRUPT_ENABLE_1_REG 0x0034
2737 +#define GLOBAL_INTERRUPT_SELECT_1_REG 0x0038
2738 +#define GLOBAL_INTERRUPT_STATUS_2_REG 0x0040
2739 +#define GLOBAL_INTERRUPT_ENABLE_2_REG 0x0044
2740 +#define GLOBAL_INTERRUPT_SELECT_2_REG 0x0048
2741 +#define GLOBAL_INTERRUPT_STATUS_3_REG 0x0050
2742 +#define GLOBAL_INTERRUPT_ENABLE_3_REG 0x0054
2743 +#define GLOBAL_INTERRUPT_SELECT_3_REG 0x0058
2744 +#define GLOBAL_INTERRUPT_STATUS_4_REG 0x0060
2745 +#define GLOBAL_INTERRUPT_ENABLE_4_REG 0x0064
2746 +#define GLOBAL_INTERRUPT_SELECT_4_REG 0x0068
2747 +#define GLOBAL_HASH_TABLE_BASE_REG 0x006C
2748 +#define GLOBAL_QUEUE_THRESHOLD_REG 0x0070
2749 +
2750 +/*
2751 + * GMAC 0/1 DMA/TOE register
2752 + * #define TOE_GMAC0_DMA_BASE (TOE_BASE + 0x8000)
2753 + * #define TOE_GMAC1_DMA_BASE (TOE_BASE + 0xC000)
2754 + * Base 0x60008000 or 0x6000C000
2755 + */
2756 +#define GMAC_DMA_CTRL_REG 0x0000
2757 +#define GMAC_TX_WEIGHTING_CTRL_0_REG 0x0004
2758 +#define GMAC_TX_WEIGHTING_CTRL_1_REG 0x0008
2759 +#define GMAC_SW_TX_QUEUE0_PTR_REG 0x000C
2760 +#define GMAC_SW_TX_QUEUE1_PTR_REG 0x0010
2761 +#define GMAC_SW_TX_QUEUE2_PTR_REG 0x0014
2762 +#define GMAC_SW_TX_QUEUE3_PTR_REG 0x0018
2763 +#define GMAC_SW_TX_QUEUE4_PTR_REG 0x001C
2764 +#define GMAC_SW_TX_QUEUE5_PTR_REG 0x0020
2765 +#define GMAC_HW_TX_QUEUE0_PTR_REG 0x0024
2766 +#define GMAC_HW_TX_QUEUE1_PTR_REG 0x0028
2767 +#define GMAC_HW_TX_QUEUE2_PTR_REG 0x002C
2768 +#define GMAC_HW_TX_QUEUE3_PTR_REG 0x0030
2769 +#define GMAC_DMA_TX_FIRST_DESC_REG 0x0038
2770 +#define GMAC_DMA_TX_CURR_DESC_REG 0x003C
2771 +#define GMAC_DMA_TX_DESC_WORD0_REG 0x0040
2772 +#define GMAC_DMA_TX_DESC_WORD1_REG 0x0044
2773 +#define GMAC_DMA_TX_DESC_WORD2_REG 0x0048
2774 +#define GMAC_DMA_TX_DESC_WORD3_REG 0x004C
2775 +#define GMAC_SW_TX_QUEUE_BASE_REG 0x0050
2776 +#define GMAC_HW_TX_QUEUE_BASE_REG 0x0054
2777 +#define GMAC_DMA_RX_FIRST_DESC_REG 0x0058
2778 +#define GMAC_DMA_RX_CURR_DESC_REG 0x005C
2779 +#define GMAC_DMA_RX_DESC_WORD0_REG 0x0060
2780 +#define GMAC_DMA_RX_DESC_WORD1_REG 0x0064
2781 +#define GMAC_DMA_RX_DESC_WORD2_REG 0x0068
2782 +#define GMAC_DMA_RX_DESC_WORD3_REG 0x006C
2783 +#define GMAC_HASH_ENGINE_REG0 0x0070
2784 +#define GMAC_HASH_ENGINE_REG1 0x0074
2785 +/* matching rule 0 Control register 0 */
2786 +#define GMAC_MR0CR0 0x0078
2787 +#define GMAC_MR0CR1 0x007C
2788 +#define GMAC_MR0CR2 0x0080
2789 +#define GMAC_MR1CR0 0x0084
2790 +#define GMAC_MR1CR1 0x0088
2791 +#define GMAC_MR1CR2 0x008C
2792 +#define GMAC_MR2CR0 0x0090
2793 +#define GMAC_MR2CR1 0x0094
2794 +#define GMAC_MR2CR2 0x0098
2795 +#define GMAC_MR3CR0 0x009C
2796 +#define GMAC_MR3CR1 0x00A0
2797 +#define GMAC_MR3CR2 0x00A4
2798 +/* Support Protocol Regsister 0 */
2799 +#define GMAC_SPR0 0x00A8
2800 +#define GMAC_SPR1 0x00AC
2801 +#define GMAC_SPR2 0x00B0
2802 +#define GMAC_SPR3 0x00B4
2803 +#define GMAC_SPR4 0x00B8
2804 +#define GMAC_SPR5 0x00BC
2805 +#define GMAC_SPR6 0x00C0
2806 +#define GMAC_SPR7 0x00C4
2807 +/* GMAC Hash/Rx/Tx AHB Weighting register */
2808 +#define GMAC_AHB_WEIGHT_REG 0x00C8
2809 +
2810 +/*
2811 + * TOE GMAC 0/1 register
2812 + * #define TOE_GMAC0_BASE (TOE_BASE + 0xA000)
2813 + * #define TOE_GMAC1_BASE (TOE_BASE + 0xE000)
2814 + * Base 0x6000A000 or 0x6000E000
2815 + */
2816 +enum GMAC_REGISTER {
2817 + GMAC_STA_ADD0 = 0x0000,
2818 + GMAC_STA_ADD1 = 0x0004,
2819 + GMAC_STA_ADD2 = 0x0008,
2820 + GMAC_RX_FLTR = 0x000c,
2821 + GMAC_MCAST_FIL0 = 0x0010,
2822 + GMAC_MCAST_FIL1 = 0x0014,
2823 + GMAC_CONFIG0 = 0x0018,
2824 + GMAC_CONFIG1 = 0x001c,
2825 + GMAC_CONFIG2 = 0x0020,
2826 + GMAC_CONFIG3 = 0x0024,
2827 + GMAC_RESERVED = 0x0028,
2828 + GMAC_STATUS = 0x002c,
2829 + GMAC_IN_DISCARDS= 0x0030,
2830 + GMAC_IN_ERRORS = 0x0034,
2831 + GMAC_IN_MCAST = 0x0038,
2832 + GMAC_IN_BCAST = 0x003c,
2833 + GMAC_IN_MAC1 = 0x0040, /* for STA 1 MAC Address */
2834 + GMAC_IN_MAC2 = 0x0044 /* for STA 2 MAC Address */
2835 +};
2836 +
2837 +/*
2838 + * DMA Queues description Ring Base Address/Size Register (offset 0x0004)
2839 + */
2840 +typedef union {
2841 + unsigned int bits32;
2842 + unsigned int base_size;
2843 +} DMA_Q_BASE_SIZE_T;
2844 +#define DMA_Q_BASE_MASK (~0x0f)
2845 +
2846 +/*
2847 + * DMA SKB Buffer register (offset 0x0008)
2848 + */
2849 +typedef union {
2850 + unsigned int bits32;
2851 + struct bit_0008 {
2852 + unsigned int sw_skb_size : 16; /* SW Free poll SKB Size */
2853 + unsigned int hw_skb_size : 16; /* HW Free poll SKB Size */
2854 + } bits;
2855 +} DMA_SKB_SIZE_T;
2856 +
2857 +/*
2858 + * DMA SW Free Queue Read/Write Pointer Register (offset 0x000C)
2859 + */
2860 +typedef union {
2861 + unsigned int bits32;
2862 + struct bit_000c {
2863 + unsigned int rptr : 16; /* Read Ptr, RO */
2864 + unsigned int wptr : 16; /* Write Ptr, RW */
2865 + } bits;
2866 +} DMA_RWPTR_T;
2867 +
2868 +/*
2869 + * DMA HW Free Queue Read/Write Pointer Register (offset 0x0010)
2870 + * see DMA_RWPTR_T structure
2871 + */
2872 +
2873 +/*
2874 + * Interrupt Status Register 0 (offset 0x0020)
2875 + * Interrupt Mask Register 0 (offset 0x0024)
2876 + * Interrupt Select Register 0 (offset 0x0028)
2877 + */
2878 +typedef union {
2879 + unsigned int bits32;
2880 + struct bit_0020 {
2881 + /* GMAC0 SW Tx Queue 0 EOF Interrupt */
2882 + unsigned int swtq00_eof : 1;
2883 + unsigned int swtq01_eof : 1;
2884 + unsigned int swtq02_eof : 1;
2885 + unsigned int swtq03_eof : 1;
2886 + unsigned int swtq04_eof : 1;
2887 + unsigned int swtq05_eof : 1;
2888 + /* GMAC1 SW Tx Queue 0 EOF Interrupt */
2889 + unsigned int swtq10_eof : 1;
2890 + unsigned int swtq11_eof : 1;
2891 + unsigned int swtq12_eof : 1;
2892 + unsigned int swtq13_eof : 1;
2893 + unsigned int swtq14_eof : 1;
2894 + unsigned int swtq15_eof : 1;
2895 + /* GMAC0 SW Tx Queue 0 Finish Interrupt */
2896 + unsigned int swtq00_fin : 1;
2897 + unsigned int swtq01_fin : 1;
2898 + unsigned int swtq02_fin : 1;
2899 + unsigned int swtq03_fin : 1;
2900 + unsigned int swtq04_fin : 1;
2901 + unsigned int swtq05_fin : 1;
2902 + /* GMAC1 SW Tx Queue 0 Finish Interrupt */
2903 + unsigned int swtq10_fin : 1;
2904 + unsigned int swtq11_fin : 1;
2905 + unsigned int swtq12_fin : 1;
2906 + unsigned int swtq13_fin : 1;
2907 + unsigned int swtq14_fin : 1;
2908 + unsigned int swtq15_fin : 1;
2909 + /* GMAC0 Rx Descriptor Protocol Error */
2910 + unsigned int rxPerr0 : 1;
2911 + /* GMAC0 AHB Bus Error while Rx */
2912 + unsigned int rxDerr0 : 1;
2913 + /* GMAC1 Rx Descriptor Protocol Error */
2914 + unsigned int rxPerr1 : 1;
2915 + /* GMAC1 AHB Bus Error while Rx */
2916 + unsigned int rxDerr1 : 1;
2917 + /* GMAC0 Tx Descriptor Protocol Error */
2918 + unsigned int txPerr0 : 1;
2919 + /* GMAC0 AHB Bus Error while Tx */
2920 + unsigned int txDerr0 : 1;
2921 + /* GMAC1 Tx Descriptor Protocol Error */
2922 + unsigned int txPerr1 : 1;
2923 + /* GMAC1 AHB Bus Error while Tx */
2924 + unsigned int txDerr1 : 1;
2925 + } bits;
2926 +} INTR_REG0_T;
2927 +
2928 +#define GMAC1_TXDERR_INT_BIT BIT(31)
2929 +#define GMAC1_TXPERR_INT_BIT BIT(30)
2930 +#define GMAC0_TXDERR_INT_BIT BIT(29)
2931 +#define GMAC0_TXPERR_INT_BIT BIT(28)
2932 +#define GMAC1_RXDERR_INT_BIT BIT(27)
2933 +#define GMAC1_RXPERR_INT_BIT BIT(26)
2934 +#define GMAC0_RXDERR_INT_BIT BIT(25)
2935 +#define GMAC0_RXPERR_INT_BIT BIT(24)
2936 +#define GMAC1_SWTQ15_FIN_INT_BIT BIT(23)
2937 +#define GMAC1_SWTQ14_FIN_INT_BIT BIT(22)
2938 +#define GMAC1_SWTQ13_FIN_INT_BIT BIT(21)
2939 +#define GMAC1_SWTQ12_FIN_INT_BIT BIT(20)
2940 +#define GMAC1_SWTQ11_FIN_INT_BIT BIT(19)
2941 +#define GMAC1_SWTQ10_FIN_INT_BIT BIT(18)
2942 +#define GMAC0_SWTQ05_FIN_INT_BIT BIT(17)
2943 +#define GMAC0_SWTQ04_FIN_INT_BIT BIT(16)
2944 +#define GMAC0_SWTQ03_FIN_INT_BIT BIT(15)
2945 +#define GMAC0_SWTQ02_FIN_INT_BIT BIT(14)
2946 +#define GMAC0_SWTQ01_FIN_INT_BIT BIT(13)
2947 +#define GMAC0_SWTQ00_FIN_INT_BIT BIT(12)
2948 +#define GMAC1_SWTQ15_EOF_INT_BIT BIT(11)
2949 +#define GMAC1_SWTQ14_EOF_INT_BIT BIT(10)
2950 +#define GMAC1_SWTQ13_EOF_INT_BIT BIT(9)
2951 +#define GMAC1_SWTQ12_EOF_INT_BIT BIT(8)
2952 +#define GMAC1_SWTQ11_EOF_INT_BIT BIT(7)
2953 +#define GMAC1_SWTQ10_EOF_INT_BIT BIT(6)
2954 +#define GMAC0_SWTQ05_EOF_INT_BIT BIT(5)
2955 +#define GMAC0_SWTQ04_EOF_INT_BIT BIT(4)
2956 +#define GMAC0_SWTQ03_EOF_INT_BIT BIT(3)
2957 +#define GMAC0_SWTQ02_EOF_INT_BIT BIT(2)
2958 +#define GMAC0_SWTQ01_EOF_INT_BIT BIT(1)
2959 +#define GMAC0_SWTQ00_EOF_INT_BIT BIT(0)
2960 +
2961 +/*
2962 + * Interrupt Status Register 1 (offset 0x0030)
2963 + * Interrupt Mask Register 1 (offset 0x0034)
2964 + * Interrupt Select Register 1 (offset 0x0038)
2965 + */
2966 +typedef union {
2967 + unsigned int bits32;
2968 + struct bit_0030 {
2969 + unsigned int default_q0_eof : 1; /* Default Queue 0 EOF Interrupt */
2970 + unsigned int default_q1_eof : 1; /* Default Queue 1 EOF Interrupt */
2971 + unsigned int class_rx : 14; /* Classification Queue Rx Interrupt */
2972 + unsigned int hwtq00_eof : 1; /* GMAC0 HW Tx Queue0 EOF Interrupt */
2973 + unsigned int hwtq01_eof : 1; /* GMAC0 HW Tx Queue1 EOF Interrupt */
2974 + unsigned int hwtq02_eof : 1; /* GMAC0 HW Tx Queue2 EOF Interrupt */
2975 + unsigned int hwtq03_eof : 1; /* GMAC0 HW Tx Queue3 EOF Interrupt */
2976 + unsigned int hwtq10_eof : 1; /* GMAC1 HW Tx Queue0 EOF Interrupt */
2977 + unsigned int hwtq11_eof : 1; /* GMAC1 HW Tx Queue1 EOF Interrupt */
2978 + unsigned int hwtq12_eof : 1; /* GMAC1 HW Tx Queue2 EOF Interrupt */
2979 + unsigned int hwtq13_eof : 1; /* GMAC1 HW Tx Queue3 EOF Interrupt */
2980 + unsigned int toe_iq0_intr : 1; /* TOE Interrupt Queue 0 with Interrupts */
2981 + unsigned int toe_iq1_intr : 1; /* TOE Interrupt Queue 1 with Interrupts */
2982 + unsigned int toe_iq2_intr : 1; /* TOE Interrupt Queue 2 with Interrupts */
2983 + unsigned int toe_iq3_intr : 1; /* TOE Interrupt Queue 3 with Interrupts */
2984 + unsigned int toe_iq0_full : 1; /* TOE Interrupt Queue 0 Full Interrupt */
2985 + unsigned int toe_iq1_full : 1; /* TOE Interrupt Queue 1 Full Interrupt */
2986 + unsigned int toe_iq2_full : 1; /* TOE Interrupt Queue 2 Full Interrupt */
2987 + unsigned int toe_iq3_full : 1; /* TOE Interrupt Queue 3 Full Interrupt */
2988 + } bits;
2989 +} INTR_REG1_T;
2990 +
2991 +#define TOE_IQ3_FULL_INT_BIT BIT(31)
2992 +#define TOE_IQ2_FULL_INT_BIT BIT(30)
2993 +#define TOE_IQ1_FULL_INT_BIT BIT(29)
2994 +#define TOE_IQ0_FULL_INT_BIT BIT(28)
2995 +#define TOE_IQ3_INT_BIT BIT(27)
2996 +#define TOE_IQ2_INT_BIT BIT(26)
2997 +#define TOE_IQ1_INT_BIT BIT(25)
2998 +#define TOE_IQ0_INT_BIT BIT(24)
2999 +#define GMAC1_HWTQ13_EOF_INT_BIT BIT(23)
3000 +#define GMAC1_HWTQ12_EOF_INT_BIT BIT(22)
3001 +#define GMAC1_HWTQ11_EOF_INT_BIT BIT(21)
3002 +#define GMAC1_HWTQ10_EOF_INT_BIT BIT(20)
3003 +#define GMAC0_HWTQ03_EOF_INT_BIT BIT(19)
3004 +#define GMAC0_HWTQ02_EOF_INT_BIT BIT(18)
3005 +#define GMAC0_HWTQ01_EOF_INT_BIT BIT(17)
3006 +#define GMAC0_HWTQ00_EOF_INT_BIT BIT(16)
3007 +#define CLASS_RX_INT_BIT(x) BIT((x + 2))
3008 +#define DEFAULT_Q1_INT_BIT BIT(1)
3009 +#define DEFAULT_Q0_INT_BIT BIT(0)
3010 +
3011 +#define TOE_IQ_INT_BITS (TOE_IQ0_INT_BIT | TOE_IQ1_INT_BIT | \
3012 + TOE_IQ2_INT_BIT | TOE_IQ3_INT_BIT)
3013 +#define TOE_IQ_FULL_BITS (TOE_IQ0_FULL_INT_BIT | TOE_IQ1_FULL_INT_BIT | \
3014 + TOE_IQ2_FULL_INT_BIT | TOE_IQ3_FULL_INT_BIT)
3015 +#define TOE_IQ_ALL_BITS (TOE_IQ_INT_BITS | TOE_IQ_FULL_BITS)
3016 +#define TOE_CLASS_RX_INT_BITS 0xfffc
3017 +
3018 +/*
3019 + * Interrupt Status Register 2 (offset 0x0040)
3020 + * Interrupt Mask Register 2 (offset 0x0044)
3021 + * Interrupt Select Register 2 (offset 0x0048)
3022 + */
3023 +typedef union {
3024 + unsigned int bits32;
3025 + struct bit_0040 {
3026 + unsigned int toe_q0_full : 1; // bit 0 TOE Queue 0 Full Interrupt
3027 + unsigned int toe_q1_full : 1; // bit 1 TOE Queue 1 Full Interrupt
3028 + unsigned int toe_q2_full : 1; // bit 2 TOE Queue 2 Full Interrupt
3029 + unsigned int toe_q3_full : 1; // bit 3 TOE Queue 3 Full Interrupt
3030 + unsigned int toe_q4_full : 1; // bit 4 TOE Queue 4 Full Interrupt
3031 + unsigned int toe_q5_full : 1; // bit 5 TOE Queue 5 Full Interrupt
3032 + unsigned int toe_q6_full : 1; // bit 6 TOE Queue 6 Full Interrupt
3033 + unsigned int toe_q7_full : 1; // bit 7 TOE Queue 7 Full Interrupt
3034 + unsigned int toe_q8_full : 1; // bit 8 TOE Queue 8 Full Interrupt
3035 + unsigned int toe_q9_full : 1; // bit 9 TOE Queue 9 Full Interrupt
3036 + unsigned int toe_q10_full : 1; // bit 10 TOE Queue 10 Full Interrupt
3037 + unsigned int toe_q11_full : 1; // bit 11 TOE Queue 11 Full Interrupt
3038 + unsigned int toe_q12_full : 1; // bit 12 TOE Queue 12 Full Interrupt
3039 + unsigned int toe_q13_full : 1; // bit 13 TOE Queue 13 Full Interrupt
3040 + unsigned int toe_q14_full : 1; // bit 14 TOE Queue 14 Full Interrupt
3041 + unsigned int toe_q15_full : 1; // bit 15 TOE Queue 15 Full Interrupt
3042 + unsigned int toe_q16_full : 1; // bit 16 TOE Queue 16 Full Interrupt
3043 + unsigned int toe_q17_full : 1; // bit 17 TOE Queue 17 Full Interrupt
3044 + unsigned int toe_q18_full : 1; // bit 18 TOE Queue 18 Full Interrupt
3045 + unsigned int toe_q19_full : 1; // bit 19 TOE Queue 19 Full Interrupt
3046 + unsigned int toe_q20_full : 1; // bit 20 TOE Queue 20 Full Interrupt
3047 + unsigned int toe_q21_full : 1; // bit 21 TOE Queue 21 Full Interrupt
3048 + unsigned int toe_q22_full : 1; // bit 22 TOE Queue 22 Full Interrupt
3049 + unsigned int toe_q23_full : 1; // bit 23 TOE Queue 23 Full Interrupt
3050 + unsigned int toe_q24_full : 1; // bit 24 TOE Queue 24 Full Interrupt
3051 + unsigned int toe_q25_full : 1; // bit 25 TOE Queue 25 Full Interrupt
3052 + unsigned int toe_q26_full : 1; // bit 26 TOE Queue 26 Full Interrupt
3053 + unsigned int toe_q27_full : 1; // bit 27 TOE Queue 27 Full Interrupt
3054 + unsigned int toe_q28_full : 1; // bit 28 TOE Queue 28 Full Interrupt
3055 + unsigned int toe_q29_full : 1; // bit 29 TOE Queue 29 Full Interrupt
3056 + unsigned int toe_q30_full : 1; // bit 30 TOE Queue 30 Full Interrupt
3057 + unsigned int toe_q31_full : 1; // bit 31 TOE Queue 31 Full Interrupt
3058 + } bits;
3059 +} INTR_REG2_T;
3060 +
3061 +#define TOE_QL_FULL_INT_BIT(x) BIT(x)
3062 +
3063 +/*
3064 + * Interrupt Status Register 3 (offset 0x0050)
3065 + * Interrupt Mask Register 3 (offset 0x0054)
3066 + * Interrupt Select Register 3 (offset 0x0058)
3067 + */
3068 +typedef union {
3069 + unsigned int bits32;
3070 + struct bit_0050 {
3071 + unsigned int toe_q32_full : 1; // bit 32 TOE Queue 32 Full Interrupt
3072 + unsigned int toe_q33_full : 1; // bit 33 TOE Queue 33 Full Interrupt
3073 + unsigned int toe_q34_full : 1; // bit 34 TOE Queue 34 Full Interrupt
3074 + unsigned int toe_q35_full : 1; // bit 35 TOE Queue 35 Full Interrupt
3075 + unsigned int toe_q36_full : 1; // bit 36 TOE Queue 36 Full Interrupt
3076 + unsigned int toe_q37_full : 1; // bit 37 TOE Queue 37 Full Interrupt
3077 + unsigned int toe_q38_full : 1; // bit 38 TOE Queue 38 Full Interrupt
3078 + unsigned int toe_q39_full : 1; // bit 39 TOE Queue 39 Full Interrupt
3079 + unsigned int toe_q40_full : 1; // bit 40 TOE Queue 40 Full Interrupt
3080 + unsigned int toe_q41_full : 1; // bit 41 TOE Queue 41 Full Interrupt
3081 + unsigned int toe_q42_full : 1; // bit 42 TOE Queue 42 Full Interrupt
3082 + unsigned int toe_q43_full : 1; // bit 43 TOE Queue 43 Full Interrupt
3083 + unsigned int toe_q44_full : 1; // bit 44 TOE Queue 44 Full Interrupt
3084 + unsigned int toe_q45_full : 1; // bit 45 TOE Queue 45 Full Interrupt
3085 + unsigned int toe_q46_full : 1; // bit 46 TOE Queue 46 Full Interrupt
3086 + unsigned int toe_q47_full : 1; // bit 47 TOE Queue 47 Full Interrupt
3087 + unsigned int toe_q48_full : 1; // bit 48 TOE Queue 48 Full Interrupt
3088 + unsigned int toe_q49_full : 1; // bit 49 TOE Queue 49 Full Interrupt
3089 + unsigned int toe_q50_full : 1; // bit 50 TOE Queue 50 Full Interrupt
3090 + unsigned int toe_q51_full : 1; // bit 51 TOE Queue 51 Full Interrupt
3091 + unsigned int toe_q52_full : 1; // bit 52 TOE Queue 52 Full Interrupt
3092 + unsigned int toe_q53_full : 1; // bit 53 TOE Queue 53 Full Interrupt
3093 + unsigned int toe_q54_full : 1; // bit 54 TOE Queue 54 Full Interrupt
3094 + unsigned int toe_q55_full : 1; // bit 55 TOE Queue 55 Full Interrupt
3095 + unsigned int toe_q56_full : 1; // bit 56 TOE Queue 56 Full Interrupt
3096 + unsigned int toe_q57_full : 1; // bit 57 TOE Queue 57 Full Interrupt
3097 + unsigned int toe_q58_full : 1; // bit 58 TOE Queue 58 Full Interrupt
3098 + unsigned int toe_q59_full : 1; // bit 59 TOE Queue 59 Full Interrupt
3099 + unsigned int toe_q60_full : 1; // bit 60 TOE Queue 60 Full Interrupt
3100 + unsigned int toe_q61_full : 1; // bit 61 TOE Queue 61 Full Interrupt
3101 + unsigned int toe_q62_full : 1; // bit 62 TOE Queue 62 Full Interrupt
3102 + unsigned int toe_q63_full : 1; // bit 63 TOE Queue 63 Full Interrupt
3103 + } bits;
3104 +} INTR_REG3_T;
3105 +
3106 +#define TOE_QH_FULL_INT_BIT(x) BIT(x-32)
3107 +
3108 +/*
3109 + * Interrupt Status Register 4 (offset 0x0060)
3110 + * Interrupt Mask Register 4 (offset 0x0064)
3111 + * Interrupt Select Register 4 (offset 0x0068)
3112 + */
3113 +typedef union {
3114 + unsigned char byte;
3115 + struct bit_0060 {
3116 + unsigned char status_changed : 1; // Status Changed Intr for RGMII Mode
3117 + unsigned char rx_overrun : 1; // GMAC Rx FIFO overrun interrupt
3118 + unsigned char tx_pause_off : 1; // received pause off frame interrupt
3119 + unsigned char rx_pause_off : 1; // received pause off frame interrupt
3120 + unsigned char tx_pause_on : 1; // transmit pause on frame interrupt
3121 + unsigned char rx_pause_on : 1; // received pause on frame interrupt
3122 + unsigned char cnt_full : 1; // MIB counters half full interrupt
3123 + unsigned char reserved : 1; //
3124 + } _PACKED_ bits;
3125 +} _PACKED_ GMAC_INTR_T;
3126 +
3127 +typedef union {
3128 + unsigned int bits32;
3129 + struct bit_0060_2 {
3130 + unsigned int swfq_empty : 1; // bit 0 Software Free Queue Empty Intr.
3131 + unsigned int hwfq_empty : 1; // bit 1 Hardware Free Queue Empty Intr.
3132 + unsigned int class_qf_int : 14; // bit 15:2 Classification Rx Queue13-0 Full Intr.
3133 + GMAC_INTR_T gmac0;
3134 + GMAC_INTR_T gmac1;
3135 + } bits;
3136 +} INTR_REG4_T;
3137 +
3138 +#define GMAC1_RESERVED_INT_BIT BIT(31)
3139 +#define GMAC1_MIB_INT_BIT BIT(30)
3140 +#define GMAC1_RX_PAUSE_ON_INT_BIT BIT(29)
3141 +#define GMAC1_TX_PAUSE_ON_INT_BIT BIT(28)
3142 +#define GMAC1_RX_PAUSE_OFF_INT_BIT BIT(27)
3143 +#define GMAC1_TX_PAUSE_OFF_INT_BIT BIT(26)
3144 +#define GMAC1_RX_OVERRUN_INT_BIT BIT(25)
3145 +#define GMAC1_STATUS_CHANGE_INT_BIT BIT(24)
3146 +#define GMAC0_RESERVED_INT_BIT BIT(23)
3147 +#define GMAC0_MIB_INT_BIT BIT(22)
3148 +#define GMAC0_RX_PAUSE_ON_INT_BIT BIT(21)
3149 +#define GMAC0_TX_PAUSE_ON_INT_BIT BIT(20)
3150 +#define GMAC0_RX_PAUSE_OFF_INT_BIT BIT(19)
3151 +#define GMAC0_TX_PAUSE_OFF_INT_BIT BIT(18)
3152 +#define GMAC0_RX_OVERRUN_INT_BIT BIT(17)
3153 +#define GMAC0_STATUS_CHANGE_INT_BIT BIT(16)
3154 +#define CLASS_RX_FULL_INT_BIT(x) BIT((x+2))
3155 +#define HWFQ_EMPTY_INT_BIT BIT(1)
3156 +#define SWFQ_EMPTY_INT_BIT BIT(0)
3157 +
3158 +#if 1
3159 +#define GMAC0_INT_BITS (GMAC0_MIB_INT_BIT)
3160 +#define GMAC1_INT_BITS (GMAC1_MIB_INT_BIT)
3161 +#else
3162 +#define GMAC0_INT_BITS (GMAC0_RESERVED_INT_BIT | GMAC0_MIB_INT_BIT | \
3163 + GMAC0_RX_PAUSE_ON_INT_BIT | GMAC0_TX_PAUSE_ON_INT_BIT | \
3164 + GMAC0_RX_PAUSE_OFF_INT_BIT | GMAC0_TX_PAUSE_OFF_INT_BIT | \
3165 + GMAC0_RX_OVERRUN_INT_BIT | GMAC0_STATUS_CHANGE_INT_BIT)
3166 +#define GMAC1_INT_BITS (GMAC1_RESERVED_INT_BIT | GMAC1_MIB_INT_BIT | \
3167 + GMAC1_RX_PAUSE_ON_INT_BIT | GMAC1_TX_PAUSE_ON_INT_BIT | \
3168 + GMAC1_RX_PAUSE_OFF_INT_BIT | GMAC1_TX_PAUSE_OFF_INT_BIT | \
3169 + GMAC1_RX_OVERRUN_INT_BIT | GMAC1_STATUS_CHANGE_INT_BIT)
3170 +#endif
3171 +
3172 +#define CLASS_RX_FULL_INT_BITS 0xfffc
3173 +
3174 +/*
3175 + * GLOBAL_QUEUE_THRESHOLD_REG (offset 0x0070)
3176 + */
3177 +typedef union {
3178 + unsigned int bits32;
3179 + struct bit_0070_2 {
3180 + unsigned int swfq_empty : 8; // 7:0 Software Free Queue Empty Threshold
3181 + unsigned int hwfq_empty : 8; // 15:8 Hardware Free Queue Empty Threshold
3182 + unsigned int intrq : 8; // 23:16
3183 + unsigned int toe_class : 8; // 31:24
3184 + } bits;
3185 +} QUEUE_THRESHOLD_T;
3186 +
3187 +
3188 +/*
3189 + * GMAC DMA Control Register
3190 + * GMAC0 offset 0x8000
3191 + * GMAC1 offset 0xC000
3192 + */
3193 +typedef union {
3194 + unsigned int bits32;
3195 + struct bit_8000 {
3196 + unsigned int td_bus : 2; // bit 1:0 Peripheral Bus Width
3197 + unsigned int td_burst_size : 2; // bit 3:2 TxDMA max burst size for every AHB request
3198 + unsigned int td_prot : 4; // bit 7:4 TxDMA protection control
3199 + unsigned int rd_bus : 2; // bit 9:8 Peripheral Bus Width
3200 + unsigned int rd_burst_size : 2; // bit 11:10 DMA max burst size for every AHB request
3201 + unsigned int rd_prot : 4; // bit 15:12 DMA Protection Control
3202 + unsigned int rd_insert_bytes : 2; // bit 17:16
3203 + unsigned int reserved : 10; // bit 27:18
3204 + unsigned int drop_small_ack : 1; // bit 28 1: Drop, 0: Accept
3205 + unsigned int loopback : 1; // bit 29 Loopback TxDMA to RxDMA
3206 + unsigned int td_enable : 1; // bit 30 Tx DMA Enable
3207 + unsigned int rd_enable : 1; // bit 31 Rx DMA Enable
3208 + } bits;
3209 +} GMAC_DMA_CTRL_T;
3210 +
3211 +/*
3212 + * GMAC Tx Weighting Control Register 0
3213 + * GMAC0 offset 0x8004
3214 + * GMAC1 offset 0xC004
3215 + */
3216 +typedef union {
3217 + unsigned int bits32;
3218 + struct bit_8004 {
3219 + unsigned int hw_tq0 : 6; // bit 5:0 HW TX Queue 3
3220 + unsigned int hw_tq1 : 6; // bit 11:6 HW TX Queue 2
3221 + unsigned int hw_tq2 : 6; // bit 17:12 HW TX Queue 1
3222 + unsigned int hw_tq3 : 6; // bit 23:18 HW TX Queue 0
3223 + unsigned int reserved : 8; // bit 31:24
3224 + } bits;
3225 +} GMAC_TX_WCR0_T; /* Weighting Control Register 0 */
3226 +
3227 +/*
3228 + * GMAC Tx Weighting Control Register 1
3229 + * GMAC0 offset 0x8008
3230 + * GMAC1 offset 0xC008
3231 + */
3232 +typedef union {
3233 + unsigned int bits32;
3234 + struct bit_8008 {
3235 + unsigned int sw_tq0 : 5; // bit 4:0 SW TX Queue 0
3236 + unsigned int sw_tq1 : 5; // bit 9:5 SW TX Queue 1
3237 + unsigned int sw_tq2 : 5; // bit 14:10 SW TX Queue 2
3238 + unsigned int sw_tq3 : 5; // bit 19:15 SW TX Queue 3
3239 + unsigned int sw_tq4 : 5; // bit 24:20 SW TX Queue 4
3240 + unsigned int sw_tq5 : 5; // bit 29:25 SW TX Queue 5
3241 + unsigned int reserved : 2; // bit 31:30
3242 + } bits;
3243 +} GMAC_TX_WCR1_T; /* Weighting Control Register 1 */
3244 +
3245 +/*
3246 + * Queue Read/Write Pointer
3247 + * GMAC SW TX Queue 0~5 Read/Write Pointer register
3248 + * GMAC0 offset 0x800C ~ 0x8020
3249 + * GMAC1 offset 0xC00C ~ 0xC020
3250 + * GMAC HW TX Queue 0~3 Read/Write Pointer register
3251 + * GMAC0 offset 0x8024 ~ 0x8030
3252 + * GMAC1 offset 0xC024 ~ 0xC030
3253 + *
3254 + * see DMA_RWPTR_T structure
3255 + */
3256 +
3257 +/*
3258 + * GMAC DMA Tx First Description Address Register
3259 + * GMAC0 offset 0x8038
3260 + * GMAC1 offset 0xC038
3261 + */
3262 +typedef union {
3263 + unsigned int bits32;
3264 + struct bit_8038 {
3265 + unsigned int reserved : 3;
3266 + unsigned int td_busy : 1; // bit 3 1: TxDMA busy; 0: TxDMA idle
3267 + unsigned int td_first_des_ptr : 28; // bit 31:4 first descriptor address
3268 + } bits;
3269 +} GMAC_TXDMA_FIRST_DESC_T;
3270 +
3271 +/*
3272 + * GMAC DMA Tx Current Description Address Register
3273 + * GMAC0 offset 0x803C
3274 + * GMAC1 offset 0xC03C
3275 + */
3276 +typedef union {
3277 + unsigned int bits32;
3278 + struct bit_803C {
3279 + unsigned int reserved : 4;
3280 + unsigned int td_curr_desc_ptr : 28; // bit 31:4 current descriptor address
3281 + } bits;
3282 +} GMAC_TXDMA_CURR_DESC_T;
3283 +
3284 +/*
3285 + * GMAC DMA Tx Description Word 0 Register
3286 + * GMAC0 offset 0x8040
3287 + * GMAC1 offset 0xC040
3288 + */
3289 +typedef union {
3290 + unsigned int bits32;
3291 + struct bit_8040 {
3292 + unsigned int buffer_size : 16; // bit 15:0 Transfer size
3293 + unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame
3294 + unsigned int status_tx_ok : 1; // bit 22 Tx Status, 1: Successful 0: Failed
3295 + unsigned int status_rvd : 6; // bit 28:23 Tx Status, Reserved bits
3296 + unsigned int perr : 1; // bit 29 protocol error during processing this descriptor
3297 + unsigned int derr : 1; // bit 30 data error during processing this descriptor
3298 + unsigned int reserved : 1; // bit 31
3299 + } bits;
3300 +} GMAC_TXDESC_0_T;
3301 +
3302 +/*
3303 + * GMAC DMA Tx Description Word 1 Register
3304 + * GMAC0 offset 0x8044
3305 + * GMAC1 offset 0xC044
3306 + */
3307 +typedef union {
3308 + unsigned int bits32;
3309 + struct txdesc_word1 {
3310 + unsigned int byte_count : 16; // bit 15: 0 Tx Frame Byte Count
3311 + unsigned int mtu_enable : 1; // bit 16 TSS segmentation use MTU setting
3312 + unsigned int ip_chksum : 1; // bit 17 IPV4 Header Checksum Enable
3313 + unsigned int ipv6_enable : 1; // bit 18 IPV6 Tx Enable
3314 + unsigned int tcp_chksum : 1; // bit 19 TCP Checksum Enable
3315 + unsigned int udp_chksum : 1; // bit 20 UDP Checksum Enable
3316 + unsigned int bypass_tss : 1; // bit 21
3317 + unsigned int ip_fixed_len : 1; // bit 22
3318 + unsigned int reserved : 9; // bit 31:23 Tx Flag, Reserved
3319 + } bits;
3320 +} GMAC_TXDESC_1_T;
3321 +
3322 +#define TSS_IP_FIXED_LEN_BIT BIT(22)
3323 +#define TSS_UDP_CHKSUM_BIT BIT(20)
3324 +#define TSS_TCP_CHKSUM_BIT BIT(19)
3325 +#define TSS_IPV6_ENABLE_BIT BIT(18)
3326 +#define TSS_IP_CHKSUM_BIT BIT(17)
3327 +#define TSS_MTU_ENABLE_BIT BIT(16)
3328 +
3329 +/*
3330 + * GMAC DMA Tx Description Word 2 Register
3331 + * GMAC0 offset 0x8048
3332 + * GMAC1 offset 0xC048
3333 + */
3334 +typedef union {
3335 + unsigned int bits32;
3336 + unsigned int buf_adr;
3337 +} GMAC_TXDESC_2_T;
3338 +
3339 +/*
3340 + * GMAC DMA Tx Description Word 3 Register
3341 + * GMAC0 offset 0x804C
3342 + * GMAC1 offset 0xC04C
3343 + */
3344 +typedef union {
3345 + unsigned int bits32;
3346 + struct txdesc_word3 {
3347 + unsigned int mtu_size : 11; // bit 10: 0 Tx Frame Byte Count
3348 + unsigned int reserved : 18; // bit 28:11
3349 + unsigned int eofie : 1; // bit 29 End of frame interrupt enable
3350 + unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking
3351 + } bits;
3352 +} GMAC_TXDESC_3_T;
3353 +#define SOF_EOF_BIT_MASK 0x3fffffff
3354 +#define SOF_BIT 0x80000000
3355 +#define EOF_BIT 0x40000000
3356 +#define EOFIE_BIT BIT(29)
3357 +#define MTU_SIZE_BIT_MASK 0x7ff
3358 +
3359 +/*
3360 + * GMAC Tx Descriptor
3361 + */
3362 +typedef struct {
3363 + GMAC_TXDESC_0_T word0;
3364 + GMAC_TXDESC_1_T word1;
3365 + GMAC_TXDESC_2_T word2;
3366 + GMAC_TXDESC_3_T word3;
3367 +} GMAC_TXDESC_T;
3368 +
3369 +/*
3370 + * GMAC DMA Rx First Description Address Register
3371 + * GMAC0 offset 0x8058
3372 + * GMAC1 offset 0xC058
3373 + */
3374 +typedef union {
3375 + unsigned int bits32;
3376 + struct bit_8058 {
3377 + unsigned int reserved : 3; // bit 2:0
3378 + unsigned int rd_busy : 1; // bit 3 1-RxDMA busy; 0-RxDMA idle
3379 + unsigned int rd_first_des_ptr : 28; // bit 31:4 first descriptor address
3380 + } bits;
3381 +} GMAC_RXDMA_FIRST_DESC_T;
3382 +
3383 +/*
3384 + * GMAC DMA Rx Current Description Address Register
3385 + * GMAC0 offset 0x805C
3386 + * GMAC1 offset 0xC05C
3387 + */
3388 +typedef union {
3389 + unsigned int bits32;
3390 + struct bit_805C {
3391 + unsigned int reserved : 4; // bit 3:0
3392 + unsigned int rd_curr_des_ptr : 28; // bit 31:4 current descriptor address
3393 + } bits;
3394 +} GMAC_RXDMA_CURR_DESC_T;
3395 +
3396 +/*
3397 + * GMAC DMA Rx Description Word 0 Register
3398 + * GMAC0 offset 0x8060
3399 + * GMAC1 offset 0xC060
3400 + */
3401 +typedef union {
3402 + unsigned int bits32;
3403 + struct bit_8060 {
3404 + unsigned int buffer_size : 16; // bit 15:0 number of descriptors used for the current frame
3405 + unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame
3406 + unsigned int status : 4; // bit 24:22 Status of rx frame
3407 + unsigned int chksum_status : 3; // bit 28:26 Check Sum Status
3408 + unsigned int perr : 1; // bit 29 protocol error during processing this descriptor
3409 + unsigned int derr : 1; // bit 30 data error during processing this descriptor
3410 + unsigned int drop : 1; // bit 31 TOE/CIS Queue Full dropped packet to default queue
3411 + } bits;
3412 +} GMAC_RXDESC_0_T;
3413 +
3414 +#define GMAC_RXDESC_0_T_derr BIT(30)
3415 +#define GMAC_RXDESC_0_T_perr BIT(29)
3416 +#define GMAC_RXDESC_0_T_chksum_status(x) BIT((x+26))
3417 +#define GMAC_RXDESC_0_T_status(x) BIT((x+22))
3418 +#define GMAC_RXDESC_0_T_desc_count(x) BIT((x+16))
3419 +
3420 +#define RX_CHKSUM_IP_UDP_TCP_OK 0
3421 +#define RX_CHKSUM_IP_OK_ONLY 1
3422 +#define RX_CHKSUM_NONE 2
3423 +#define RX_CHKSUM_IP_ERR_UNKNOWN 4
3424 +#define RX_CHKSUM_IP_ERR 5
3425 +#define RX_CHKSUM_TCP_UDP_ERR 6
3426 +#define RX_CHKSUM_NUM 8
3427 +
3428 +#define RX_STATUS_GOOD_FRAME 0
3429 +#define RX_STATUS_TOO_LONG_GOOD_CRC 1
3430 +#define RX_STATUS_RUNT_FRAME 2
3431 +#define RX_STATUS_SFD_NOT_FOUND 3
3432 +#define RX_STATUS_CRC_ERROR 4
3433 +#define RX_STATUS_TOO_LONG_BAD_CRC 5
3434 +#define RX_STATUS_ALIGNMENT_ERROR 6
3435 +#define RX_STATUS_TOO_LONG_BAD_ALIGN 7
3436 +#define RX_STATUS_RX_ERR 8
3437 +#define RX_STATUS_DA_FILTERED 9
3438 +#define RX_STATUS_BUFFER_FULL 10
3439 +#define RX_STATUS_NUM 16
3440 +
3441 +
3442 +/*
3443 + * GMAC DMA Rx Description Word 1 Register
3444 + * GMAC0 offset 0x8064
3445 + * GMAC1 offset 0xC064
3446 + */
3447 +typedef union {
3448 + unsigned int bits32;
3449 + struct rxdesc_word1 {
3450 + unsigned int byte_count : 16; // bit 15: 0 Rx Frame Byte Count
3451 + unsigned int sw_id : 16; // bit 31:16 Software ID
3452 + } bits;
3453 +} GMAC_RXDESC_1_T;
3454 +
3455 +/*
3456 + * GMAC DMA Rx Description Word 2 Register
3457 + * GMAC0 offset 0x8068
3458 + * GMAC1 offset 0xC068
3459 + */
3460 +typedef union {
3461 + unsigned int bits32;
3462 + unsigned int buf_adr;
3463 +} GMAC_RXDESC_2_T;
3464 +
3465 +#define RX_INSERT_NONE 0
3466 +#define RX_INSERT_1_BYTE 1
3467 +#define RX_INSERT_2_BYTE 2
3468 +#define RX_INSERT_3_BYTE 3
3469 +
3470 +#define RX_INSERT_BYTES RX_INSERT_2_BYTE
3471 +/*
3472 + * GMAC DMA Rx Description Word 3 Register
3473 + * GMAC0 offset 0x806C
3474 + * GMAC1 offset 0xC06C
3475 + */
3476 +typedef union {
3477 + unsigned int bits32;
3478 + struct rxdesc_word3 {
3479 + unsigned int l3_offset : 8; // bit 7: 0 L3 data offset
3480 + unsigned int l4_offset : 8; // bit 15: 8 L4 data offset
3481 + unsigned int l7_offset : 8; // bit 23: 16 L7 data offset
3482 + unsigned int dup_ack : 1; // bit 24 Duplicated ACK detected
3483 + unsigned int abnormal : 1; // bit 25 abnormal case found
3484 + unsigned int option : 1; // bit 26 IPV4 option or IPV6 extension header
3485 + unsigned int out_of_seq : 1; // bit 27 Out of Sequence packet
3486 + unsigned int ctrl_flag : 1; // bit 28 Control Flag is present
3487 + unsigned int eofie : 1; // bit 29 End of frame interrupt enable
3488 + unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking
3489 + } bits;
3490 +} GMAC_RXDESC_3_T;
3491 +
3492 +/*
3493 + * GMAC Rx Descriptor
3494 + */
3495 +typedef struct {
3496 + GMAC_RXDESC_0_T word0;
3497 + GMAC_RXDESC_1_T word1;
3498 + GMAC_RXDESC_2_T word2;
3499 + GMAC_RXDESC_3_T word3;
3500 +} GMAC_RXDESC_T;
3501 +
3502 +/*
3503 + * GMAC Hash Engine Enable/Action Register 0 Offset Register
3504 + * GMAC0 offset 0x8070
3505 + * GMAC1 offset 0xC070
3506 + */
3507 +typedef union {
3508 + unsigned int bits32;
3509 + struct bit_8070 {
3510 + unsigned int mr0hel : 6; // bit 5:0 match rule 0 hash entry size
3511 + unsigned int mr0_action : 5; // bit 10:6 Matching Rule 0 action offset
3512 + unsigned int reserved0 : 4; // bit 14:11
3513 + unsigned int mr0en : 1; // bit 15 Enable Matching Rule 0
3514 + unsigned int mr1hel : 6; // bit 21:16 match rule 1 hash entry size
3515 + unsigned int mr1_action : 5; // bit 26:22 Matching Rule 1 action offset
3516 + unsigned int timing : 3; // bit 29:27
3517 + unsigned int reserved1 : 1; // bit 30
3518 + unsigned int mr1en : 1; // bit 31 Enable Matching Rule 1
3519 + } bits;
3520 +} GMAC_HASH_ENABLE_REG0_T;
3521 +
3522 +/*
3523 + * GMAC Hash Engine Enable/Action Register 1 Offset Register
3524 + * GMAC0 offset 0x8074
3525 + * GMAC1 offset 0xC074
3526 + */
3527 +typedef union {
3528 + unsigned int bits32;
3529 + struct bit_8074 {
3530 + unsigned int mr2hel : 6; // bit 5:0 match rule 2 hash entry size
3531 + unsigned int mr2_action : 5; // bit 10:6 Matching Rule 2 action offset
3532 + unsigned int reserved2 : 4; // bit 14:11
3533 + unsigned int mr2en : 1; // bit 15 Enable Matching Rule 2
3534 + unsigned int mr3hel : 6; // bit 21:16 match rule 3 hash entry size
3535 + unsigned int mr3_action : 5; // bit 26:22 Matching Rule 3 action offset
3536 + unsigned int reserved1 : 4; // bit 30:27
3537 + unsigned int mr3en : 1; // bit 31 Enable Matching Rule 3
3538 + } bits;
3539 +} GMAC_HASH_ENABLE_REG1_T;
3540 +
3541 +/*
3542 + * GMAC Matching Rule Control Register 0
3543 + * GMAC0 offset 0x8078
3544 + * GMAC1 offset 0xC078
3545 + */
3546 +typedef union {
3547 + unsigned int bits32;
3548 + struct bit_8078 {
3549 + unsigned int sprx : 8; // bit 7:0 Support Protocol Register 7:0
3550 + unsigned int reserved2 : 4; // bit 11:8
3551 + unsigned int tos_traffic : 1; // bit 12 IPV4 TOS or IPV6 Traffice Class
3552 + unsigned int flow_lable : 1; // bit 13 IPV6 Flow label
3553 + unsigned int ip_hdr_len : 1; // bit 14 IPV4 Header length
3554 + unsigned int ip_version : 1; // bit 15 0: IPV4, 1: IPV6
3555 + unsigned int reserved1 : 3; // bit 18:16
3556 + unsigned int pppoe : 1; // bit 19 PPPoE Session ID enable
3557 + unsigned int vlan : 1; // bit 20 VLAN ID enable
3558 + unsigned int ether_type : 1; // bit 21 Ethernet type enable
3559 + unsigned int sa : 1; // bit 22 MAC SA enable
3560 + unsigned int da : 1; // bit 23 MAC DA enable
3561 + unsigned int priority : 3; // bit 26:24 priority if multi-rules matched
3562 + unsigned int port : 1; // bit 27 PORT ID matching enable
3563 + unsigned int l7 : 1; // bit 28 L7 matching enable
3564 + unsigned int l4 : 1; // bit 29 L4 matching enable
3565 + unsigned int l3 : 1; // bit 30 L3 matching enable
3566 + unsigned int l2 : 1; // bit 31 L2 matching enable
3567 + } bits;
3568 +} GMAC_MRxCR0_T;
3569 +
3570 +#define MR_L2_BIT BIT(31)
3571 +#define MR_L3_BIT BIT(30)
3572 +#define MR_L4_BIT BIT(29)
3573 +#define MR_L7_BIT BIT(28)
3574 +#define MR_PORT_BIT BIT(27)
3575 +#define MR_PRIORITY_BIT BIT(26)
3576 +#define MR_DA_BIT BIT(23)
3577 +#define MR_SA_BIT BIT(22)
3578 +#define MR_ETHER_TYPE_BIT BIT(21)
3579 +#define MR_VLAN_BIT BIT(20)
3580 +#define MR_PPPOE_BIT BIT(19)
3581 +#define MR_IP_VER_BIT BIT(15)
3582 +#define MR_IP_HDR_LEN_BIT BIT(14)
3583 +#define MR_FLOW_LABLE_BIT BIT(13)
3584 +#define MR_TOS_TRAFFIC_BIT BIT(12)
3585 +#define MR_SPR_BIT(x) BIT(x)
3586 +#define MR_SPR_BITS 0xff
3587 +
3588 +/*
3589 + * GMAC Matching Rule Control Register 1
3590 + * GMAC0 offset 0x807C
3591 + * GMAC1 offset 0xC07C
3592 + */
3593 +typedef union {
3594 + unsigned int bits32;
3595 + struct bit_807C {
3596 + unsigned int l4_byte0_15 : 16; // bit 15: 0
3597 + unsigned int dip_netmask : 7; // bit 22:16 Dest IP net mask, number of mask bits
3598 + unsigned int dip : 1; // bit 23 Dest IP
3599 + unsigned int sip_netmask : 7; // bit 30:24 Srce IP net mask, number of mask bits
3600 + unsigned int sip : 1; // bit 31 Srce IP
3601 + } bits;
3602 +} GMAC_MRxCR1_T;
3603 +
3604 +/*
3605 + * GMAC Matching Rule Control Register 2
3606 + * GMAC0 offset 0x8080
3607 + * GMAC1 offset 0xC080
3608 + */
3609 +typedef union {
3610 + unsigned int bits32;
3611 + struct bit_8080 {
3612 + unsigned int l7_byte0_23 : 24; // bit 23:0
3613 + unsigned int l4_byte16_24 : 8; // bit 31: 24
3614 + } bits;
3615 +} GMAC_MRxCR2_T;
3616 +
3617 +/*
3618 + * GMAC Support registers
3619 + * GMAC0 offset 0x80A8
3620 + * GMAC1 offset 0xC0A8
3621 + */
3622 +typedef union {
3623 + unsigned int bits32;
3624 + struct bit_80A8 {
3625 + unsigned int protocol : 8; // bit 7:0 Supported protocol
3626 + unsigned int swap : 3; // bit 10:8 Swap
3627 + unsigned int reserved : 21; // bit 31:11
3628 + } bits;
3629 +} GMAC_SPR_T;
3630 +
3631 +/*
3632 + * GMAC_AHB_WEIGHT registers
3633 + * GMAC0 offset 0x80C8
3634 + * GMAC1 offset 0xC0C8
3635 + */
3636 +typedef union {
3637 + unsigned int bits32;
3638 + struct bit_80C8 {
3639 + unsigned int hash_weight : 5; // 4:0
3640 + unsigned int rx_weight : 5; // 9:5
3641 + unsigned int tx_weight : 5; // 14:10
3642 + unsigned int pre_req : 5; // 19:15 Rx Data Pre Request FIFO Threshold
3643 + unsigned int tqDV_threshold : 5; // 24:20 DMA TqCtrl to Start tqDV FIFO Threshold
3644 + unsigned int reserved : 7; // 31:25
3645 + } bits;
3646 +} GMAC_AHB_WEIGHT_T;
3647 +
3648 +/*
3649 + * the register structure of GMAC
3650 + */
3651 +
3652 +/*
3653 + * GMAC RX FLTR
3654 + * GMAC0 Offset 0xA00C
3655 + * GMAC1 Offset 0xE00C
3656 + */
3657 +typedef union {
3658 + unsigned int bits32;
3659 + struct bit1_000c {
3660 + unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */
3661 + unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */
3662 + unsigned int broadcast : 1; /* enable receive of broadcast frames */
3663 + unsigned int promiscuous : 1; /* enable receive of all frames */
3664 + unsigned int error : 1; /* enable receive of all error frames */
3665 + unsigned int : 27;
3666 + } bits;
3667 +} GMAC_RX_FLTR_T;
3668 +
3669 +/*
3670 + * GMAC Configuration 0
3671 + * GMAC0 Offset 0xA018
3672 + * GMAC1 Offset 0xE018
3673 + */
3674 +typedef union {
3675 + unsigned int bits32;
3676 + struct bit1_0018 {
3677 + unsigned int dis_tx : 1; /* 0: disable transmit */
3678 + unsigned int dis_rx : 1; /* 1: disable receive */
3679 + unsigned int loop_back : 1; /* 2: transmit data loopback enable */
3680 + unsigned int flow_ctrl : 1; /* 3: flow control also trigged by Rx queues */
3681 + unsigned int adj_ifg : 4; /* 4-7: adjust IFG from 96+/-56 */
3682 + unsigned int max_len : 3; /* 8-10 maximum receive frame length allowed */
3683 + unsigned int dis_bkoff : 1; /* 11: disable back-off function */
3684 + unsigned int dis_col : 1; /* 12: disable 16 collisions abort function */
3685 + unsigned int sim_test : 1; /* 13: speed up timers in simulation */
3686 + unsigned int rx_fc_en : 1; /* 14: RX flow control enable */
3687 + unsigned int tx_fc_en : 1; /* 15: TX flow control enable */
3688 + unsigned int rgmii_en : 1; /* 16: RGMII in-band status enable */
3689 + unsigned int ipv4_rx_chksum : 1; /* 17: IPv4 RX Checksum enable */
3690 + unsigned int ipv6_rx_chksum : 1; /* 18: IPv6 RX Checksum enable */
3691 + unsigned int rx_tag_remove : 1; /* 19: Remove Rx VLAN tag */
3692 + unsigned int rgmm_edge : 1; // 20
3693 + unsigned int rxc_inv : 1; // 21
3694 + unsigned int ipv6_exthdr_order : 1; // 22
3695 + unsigned int rx_err_detect : 1; // 23
3696 + unsigned int port0_chk_hwq : 1; // 24
3697 + unsigned int port1_chk_hwq : 1; // 25
3698 + unsigned int port0_chk_toeq : 1; // 26
3699 + unsigned int port1_chk_toeq : 1; // 27
3700 + unsigned int port0_chk_classq : 1; // 28
3701 + unsigned int port1_chk_classq : 1; // 29
3702 + unsigned int reserved : 2; // 31
3703 + } bits;
3704 +} GMAC_CONFIG0_T;
3705 +
3706 +/*
3707 + * GMAC Configuration 1
3708 + * GMAC0 Offset 0xA01C
3709 + * GMAC1 Offset 0xE01C
3710 + */
3711 +typedef union {
3712 + unsigned int bits32;
3713 + struct bit1_001c {
3714 + unsigned int set_threshold : 8; /* flow control set threshold */
3715 + unsigned int rel_threshold : 8; /* flow control release threshold */
3716 + unsigned int reserved : 16;
3717 + } bits;
3718 +} GMAC_CONFIG1_T;
3719 +
3720 +#define GMAC_FLOWCTRL_SET_MAX 32
3721 +#define GMAC_FLOWCTRL_SET_MIN 0
3722 +#define GMAC_FLOWCTRL_RELEASE_MAX 32
3723 +#define GMAC_FLOWCTRL_RELEASE_MIN 0
3724 +
3725 +/*
3726 + * GMAC Configuration 2
3727 + * GMAC0 Offset 0xA020
3728 + * GMAC1 Offset 0xE020
3729 + */
3730 +typedef union {
3731 + unsigned int bits32;
3732 + struct bit1_0020 {
3733 + unsigned int set_threshold : 16; /* flow control set threshold */
3734 + unsigned int rel_threshold : 16; /* flow control release threshold */
3735 + } bits;
3736 +} GMAC_CONFIG2_T;
3737 +
3738 +/*
3739 + * GMAC Configuration 3
3740 + * GMAC0 Offset 0xA024
3741 + * GMAC1 Offset 0xE024
3742 + */
3743 +typedef union {
3744 + unsigned int bits32;
3745 + struct bit1_0024 {
3746 + unsigned int set_threshold : 16; /* flow control set threshold */
3747 + unsigned int rel_threshold : 16; /* flow control release threshold */
3748 + } bits;
3749 +} GMAC_CONFIG3_T;
3750 +
3751 +
3752 +/*
3753 + * GMAC STATUS
3754 + * GMAC0 Offset 0xA02C
3755 + * GMAC1 Offset 0xE02C
3756 + */
3757 +typedef union {
3758 + unsigned int bits32;
3759 + struct bit1_002c {
3760 + unsigned int link : 1; /* link status */
3761 + unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */
3762 + unsigned int duplex : 1; /* duplex mode */
3763 + unsigned int reserved : 1;
3764 + unsigned int mii_rmii : 2; /* PHY interface type */
3765 + unsigned int : 25;
3766 + } bits;
3767 +} GMAC_STATUS_T;
3768 +
3769 +#define GMAC_SPEED_10 0
3770 +#define GMAC_SPEED_100 1
3771 +#define GMAC_SPEED_1000 2
3772 +
3773 +#define GMAC_PHY_MII 0
3774 +#define GMAC_PHY_GMII 1
3775 +#define GMAC_PHY_RGMII_100_10 2
3776 +#define GMAC_PHY_RGMII_1000 3
3777 +
3778 +/*
3779 + * Queue Header
3780 + * (1) TOE Queue Header
3781 + * (2) Non-TOE Queue Header
3782 + * (3) Interrupt Queue Header
3783 + *
3784 + * memory Layout
3785 + * TOE Queue Header
3786 + * 0x60003000 +---------------------------+ 0x0000
3787 + * | TOE Queue 0 Header |
3788 + * | 8 * 4 Bytes |
3789 + * +---------------------------+ 0x0020
3790 + * | TOE Queue 1 Header |
3791 + * | 8 * 4 Bytes |
3792 + * +---------------------------+ 0x0040
3793 + * | ...... |
3794 + * | |
3795 + * +---------------------------+
3796 + *
3797 + * Non TOE Queue Header
3798 + * 0x60002000 +---------------------------+ 0x0000
3799 + * | Default Queue 0 Header |
3800 + * | 2 * 4 Bytes |
3801 + * +---------------------------+ 0x0008
3802 + * | Default Queue 1 Header |
3803 + * | 2 * 4 Bytes |
3804 + * +---------------------------+ 0x0010
3805 + * | Classification Queue 0 |
3806 + * | 2 * 4 Bytes |
3807 + * +---------------------------+
3808 + * | Classification Queue 1 |
3809 + * | 2 * 4 Bytes |
3810 + * +---------------------------+ (n * 8 + 0x10)
3811 + * | ... |
3812 + * | 2 * 4 Bytes |
3813 + * +---------------------------+ (13 * 8 + 0x10)
3814 + * | Classification Queue 13 |
3815 + * | 2 * 4 Bytes |
3816 + * +---------------------------+ 0x80
3817 + * | Interrupt Queue 0 |
3818 + * | 2 * 4 Bytes |
3819 + * +---------------------------+
3820 + * | Interrupt Queue 1 |
3821 + * | 2 * 4 Bytes |
3822 + * +---------------------------+
3823 + * | Interrupt Queue 2 |
3824 + * | 2 * 4 Bytes |
3825 + * +---------------------------+
3826 + * | Interrupt Queue 3 |
3827 + * | 2 * 4 Bytes |
3828 + * +---------------------------+
3829 + *
3830 + */
3831 +#define TOE_QUEUE_HDR_ADDR(n) (TOE_TOE_QUE_HDR_BASE + n * 32)
3832 +#define TOE_Q_HDR_AREA_END (TOE_QUEUE_HDR_ADDR(TOE_TOE_QUEUE_MAX + 1))
3833 +#define TOE_DEFAULT_Q_HDR_BASE(x) (TOE_NONTOE_QUE_HDR_BASE + 0x08 * (x))
3834 +#define TOE_CLASS_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x10)
3835 +#define TOE_INTR_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x80)
3836 +#define INTERRUPT_QUEUE_HDR_ADDR(n) (TOE_INTR_Q_HDR_BASE + n * 8)
3837 +#define NONTOE_Q_HDR_AREA_END (INTERRUPT_QUEUE_HDR_ADDR(TOE_INTR_QUEUE_MAX + 1))
3838 +/*
3839 + * TOE Queue Header Word 0
3840 + */
3841 +typedef union {
3842 + unsigned int bits32;
3843 + unsigned int base_size;
3844 +} TOE_QHDR0_T;
3845 +
3846 +#define TOE_QHDR0_BASE_MASK (~0x0f)
3847 +
3848 +/*
3849 + * TOE Queue Header Word 1
3850 + */
3851 +typedef union {
3852 + unsigned int bits32;
3853 + struct bit_qhdr1 {
3854 + unsigned int rptr : 16; // bit 15:0
3855 + unsigned int wptr : 16; // bit 31:16
3856 + } bits;
3857 +} TOE_QHDR1_T;
3858 +
3859 +/*
3860 + * TOE Queue Header Word 2
3861 + */
3862 +typedef union {
3863 + unsigned int bits32;
3864 + struct bit_qhdr2 {
3865 + unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size
3866 + unsigned int reserved : 7; // bit 23:17
3867 + unsigned int dack : 1; // bit 24 1: Duplicated ACK
3868 + unsigned int abn : 1; // bit 25 1: Abnormal case Found
3869 + unsigned int tcp_opt : 1; // bit 26 1: Have TCP option
3870 + unsigned int ip_opt : 1; // bit 27 1: have IPV4 option or IPV6 Extension header
3871 + unsigned int sat : 1; // bit 28 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
3872 + unsigned int osq : 1; // bit 29 1: out of sequence
3873 + unsigned int ctl : 1; // bit 30 1: have control flag bits (except ack)
3874 + unsigned int usd : 1; // bit 31 0: if no data assembled yet
3875 + } bits;
3876 +} TOE_QHDR2_T;
3877 +
3878 +/*
3879 + * TOE Queue Header Word 3
3880 + */
3881 +typedef union {
3882 + unsigned int bits32;
3883 + unsigned int seq_num;
3884 +} TOE_QHDR3_T;
3885 +
3886 +/*
3887 + * TOE Queue Header Word 4
3888 + */
3889 +typedef union {
3890 + unsigned int bits32;
3891 + unsigned int ack_num;
3892 +} TOE_QHDR4_T;
3893 +
3894 +/*
3895 + * TOE Queue Header Word 5
3896 + */
3897 +typedef union {
3898 + unsigned int bits32;
3899 + struct bit_qhdr5 {
3900 + unsigned int AckCnt : 16; // bit 15:0
3901 + unsigned int SeqCnt : 16; // bit 31:16
3902 + } bits;
3903 +} TOE_QHDR5_T;
3904 +
3905 +/*
3906 + * TOE Queue Header Word 6
3907 + */
3908 +typedef union {
3909 + unsigned int bits32;
3910 + struct bit_qhdr6 {
3911 + unsigned int WinSize : 16; // bit 15:0
3912 + unsigned int iq_num : 2; // bit 17:16
3913 + unsigned int MaxPktSize : 14; // bit 31:18
3914 + } bits;
3915 +} TOE_QHDR6_T;
3916 +
3917 +/*
3918 + * TOE Queue Header Word 7
3919 + */
3920 +typedef union {
3921 + unsigned int bits32;
3922 + struct bit_qhdr7 {
3923 + unsigned int AckThreshold : 16; // bit 15:0
3924 + unsigned int SeqThreshold : 16; // bit 31:16
3925 + } bits;
3926 +} TOE_QHDR7_T;
3927 +
3928 +/*
3929 + * TOE Queue Header
3930 + */
3931 +typedef struct {
3932 + TOE_QHDR0_T word0;
3933 + TOE_QHDR1_T word1;
3934 + TOE_QHDR2_T word2;
3935 + TOE_QHDR3_T word3;
3936 + TOE_QHDR4_T word4;
3937 + TOE_QHDR5_T word5;
3938 + TOE_QHDR6_T word6;
3939 + TOE_QHDR7_T word7;
3940 +} TOE_QHDR_T;
3941 +
3942 +/*
3943 + * NONTOE Queue Header Word 0
3944 + */
3945 +typedef union {
3946 + unsigned int bits32;
3947 + unsigned int base_size;
3948 +} NONTOE_QHDR0_T;
3949 +
3950 +#define NONTOE_QHDR0_BASE_MASK (~0x0f)
3951 +
3952 +/*
3953 + * NONTOE Queue Header Word 1
3954 + */
3955 +typedef union {
3956 + unsigned int bits32;
3957 + struct bit_nonqhdr1 {
3958 + unsigned int rptr : 16; // bit 15:0
3959 + unsigned int wptr : 16; // bit 31:16
3960 + } bits;
3961 +} NONTOE_QHDR1_T;
3962 +
3963 +/*
3964 + * Non-TOE Queue Header
3965 + */
3966 +typedef struct {
3967 + NONTOE_QHDR0_T word0;
3968 + NONTOE_QHDR1_T word1;
3969 +} NONTOE_QHDR_T;
3970 +
3971 +/*
3972 + * Interrupt Queue Header Word 0
3973 + */
3974 +typedef union {
3975 + unsigned int bits32;
3976 + struct bit_intrqhdr0 {
3977 + unsigned int win_size : 16; // bit 15:0 Descriptor Ring Size
3978 + unsigned int wptr : 16; // bit 31:16 Write Pointer where hw stopped
3979 + } bits;
3980 +} INTR_QHDR0_T;
3981 +
3982 +/*
3983 + * Interrupt Queue Header Word 1
3984 + */
3985 +typedef union {
3986 + unsigned int bits32;
3987 + struct bit_intrqhdr1 {
3988 + unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size
3989 + unsigned int tcp_qid : 8; // bit 24:17 TCP Queue ID
3990 + unsigned int dack : 1; // bit 25 1: Duplicated ACK
3991 + unsigned int abn : 1; // bit 26 1: Abnormal case Found
3992 + unsigned int tcp_opt : 1; // bit 27 1: Have TCP option
3993 + unsigned int ip_opt : 1; // bit 28 1: have IPV4 option or IPV6 Extension header
3994 + unsigned int sat : 1; // bit 29 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
3995 + unsigned int osq : 1; // bit 30 1: out of sequence
3996 + unsigned int ctl : 1; // bit 31 1: have control flag bits (except ack)
3997 + } bits;
3998 +} INTR_QHDR1_T;
3999 +
4000 +/*
4001 + * Interrupt Queue Header Word 2
4002 + */
4003 +typedef union {
4004 + unsigned int bits32;
4005 + unsigned int seq_num;
4006 +} INTR_QHDR2_T;
4007 +
4008 +/*
4009 + * Interrupt Queue Header Word 3
4010 + */
4011 +typedef union {
4012 + unsigned int bits32;
4013 + unsigned int ack_num;
4014 +} INTR_QHDR3_T;
4015 +
4016 +/*
4017 + * Interrupt Queue Header Word 4
4018 + */
4019 +typedef union {
4020 + unsigned int bits32;
4021 + struct bit_intrqhdr4 {
4022 + unsigned int AckCnt : 16; // bit 15:0 Ack# change since last ack# intr.
4023 + unsigned int SeqCnt : 16; // bit 31:16 Seq# change since last seq# intr.
4024 + } bits;
4025 +} INTR_QHDR4_T;
4026 +
4027 +/*
4028 + * Interrupt Queue Header
4029 + */
4030 +typedef struct {
4031 + INTR_QHDR0_T word0;
4032 + INTR_QHDR1_T word1;
4033 + INTR_QHDR2_T word2;
4034 + INTR_QHDR3_T word3;
4035 + INTR_QHDR4_T word4;
4036 + unsigned int word5;
4037 + unsigned int word6;
4038 + unsigned int word7;
4039 +} INTR_QHDR_T;
4040 +
4041 +/*
4042 + * GMAC private data
4043 + */
4044 +typedef struct {
4045 + unsigned int rwptr_reg;
4046 + unsigned int desc_base;
4047 + unsigned int desc_base_dma;
4048 + unsigned short finished_idx;
4049 + struct sk_buff *tx_skb[TOE_GMAC_SWTXQ_DESC_NUM];
4050 +} GMAC_SWTXQ_T;
4051 +
4052 +struct gmac_private {
4053 + struct phy_device *phydev;
4054 + unsigned int port_id;
4055 + unsigned int dma_base_addr;
4056 + unsigned int swtxq_desc_base;
4057 + GMAC_SWTXQ_T swtxq[TOE_SW_TXQ_NUM];
4058 + NONTOE_QHDR_T *default_qhdr;
4059 + unsigned int default_desc_base;
4060 + dma_addr_t default_desc_base_dma;
4061 + dma_addr_t swtxq_desc_base_dma;
4062 + unsigned int flow_control_enable;
4063 + unsigned int intr0_enabled;
4064 + unsigned int intr1_enabled;
4065 + unsigned int intr2_enabled;
4066 + unsigned int intr3_enabled;
4067 + unsigned int intr4_enabled;
4068 + unsigned int intr0_selected;
4069 + unsigned int intr1_selected;
4070 + unsigned int intr2_selected;
4071 + unsigned int intr3_selected;
4072 + unsigned int intr4_selected;
4073 +};
4074 +
4075 +struct toe_private {
4076 + void __iomem *global_base;
4077 + struct net_device *net_dev[2];
4078 + struct device *dev;
4079 + struct work_struct freq_work;
4080 + spinlock_t freeq_lock;
4081 + unsigned int swfq_desc_base;
4082 + unsigned int hwfq_desc_base;
4083 + unsigned int hwfq_buf_base;
4084 + dma_addr_t sw_freeq_desc_base_dma;
4085 + dma_addr_t hw_freeq_desc_base_dma;
4086 + dma_addr_t hwfq_buf_base_dma;
4087 + dma_addr_t hwfq_buf_end_dma;
4088 +};
4089 +
4090 +#define GMAC_PORT0 0
4091 +#define GMAC_PORT1 1
4092 +
4093 +#endif /* _GMAC_SL351x_H */
4094 --- /dev/null
4095 +++ b/drivers/net/gemini_negmac/Makefile
4096 @@ -0,0 +1,3 @@
4097 +obj-$(CONFIG_GEMINI_NET_ENGINE_GMAC)+= gemini_negmac.o
4098 +
4099 +gemini_negmac-objs := gm_gmac.o
4100 --- a/drivers/net/Kconfig
4101 +++ b/drivers/net/Kconfig
4102 @@ -2126,6 +2126,13 @@ config ACENIC_OMIT_TIGON_I
4103
4104 The safe and default value for this is N.
4105
4106 +config GEMINI_NET_ENGINE_GMAC
4107 + tristate "Gemini Gigabit Ethernet support"
4108 + depends on ARCH_GEMINI
4109 + select PHYLIB
4110 + help
4111 + This driver supports Gemini TOE and NAT dual Gigabit Ethernet.
4112 +
4113 config DL2K
4114 tristate "DL2000/TC902x-based Gigabit Ethernet support"
4115 depends on PCI
4116 --- a/drivers/net/Makefile
4117 +++ b/drivers/net/Makefile
4118 @@ -247,6 +247,7 @@ pasemi_mac_driver-objs := pasemi_mac.o p
4119 obj-$(CONFIG_MLX4_CORE) += mlx4/
4120 obj-$(CONFIG_ENC28J60) += enc28j60.o
4121 obj-$(CONFIG_ETHOC) += ethoc.o
4122 +obj-$(CONFIG_GEMINI_NET_ENGINE_GMAC) += gemini_negmac/
4123
4124 obj-$(CONFIG_XTENSA_XT2000_SONIC) += xtsonic.o
4125
4126 --- /dev/null
4127 +++ b/drivers/usb/host/ehci-fotg2xx.c
4128 @@ -0,0 +1,459 @@
4129 +/*
4130 + * EHCI Host Controller driver
4131 + *
4132 + * Copyright (C) 2006 Sony Computer Entertainment Inc.
4133 + * Copyright 2006 Sony Corp.
4134 + *
4135 + * This program is free software; you can redistribute it and/or modify
4136 + * it under the terms of the GNU General Public License as published by
4137 + * the Free Software Foundation; version 2 of the License.
4138 + */
4139 +
4140 +#include <linux/platform_device.h>
4141 +#include <mach/hardware.h>
4142 +
4143 +#define otg_set(port, bits) writel(readl(hcd->regs + port) | bits, hcd->regs + port)
4144 +
4145 +#define otg_clear(port, bits) writel(readl(hcd->regs + port) & ~bits, hcd->regs + port)
4146 +
4147 +#define GLOBAL_ISR 0xC0
4148 +#define GLOBAL_ICR 0xC4
4149 +
4150 +#define HCD_MISC 0x40
4151 +
4152 +#define OTGC_SCR 0x80
4153 +#define OTGC_INT_EN 0x88
4154 +
4155 +#define GLOBAL_INT_POLARITY (1 << 3)
4156 +#define GLOBAL_INT_MASK_HC (1 << 2)
4157 +#define GLOBAL_INT_MASK_OTG (1 << 1)
4158 +#define GLOBAL_INT_MASK_DEV (1 << 0)
4159 +
4160 +#define OTGC_SCR_ID (1 << 21)
4161 +#define OTGC_SCR_CROLE (1 << 20)
4162 +#define OTGC_SCR_VBUS_VLD (1 << 19)
4163 +#define OTGC_SCR_A_SRP_RESP_TYPE (1 << 8)
4164 +#define OTGC_SCR_A_SRP_DET_EN (1 << 7)
4165 +#define OTGC_SCR_A_SET_B_HNP_EN (1 << 6)
4166 +#define OTGC_SCR_A_BUS_DROP (1 << 5)
4167 +#define OTGC_SCR_A_BUS_REQ (1 << 4)
4168 +
4169 +#define OTGC_INT_APLGRMV (1 << 12)
4170 +#define OTGC_INT_BPLGRMV (1 << 11)
4171 +#define OTGC_INT_OVC (1 << 10)
4172 +#define OTGC_INT_IDCHG (1 << 9)
4173 +#define OTGC_INT_RLCHG (1 << 8)
4174 +#define OTGC_INT_AVBUSERR (1 << 5)
4175 +#define OTGC_INT_ASRPDET (1 << 4)
4176 +#define OTGC_INT_BSRPDN (1 << 0)
4177 +
4178 +#define OTGC_INT_A_TYPE (OTGC_INT_ASRPDET|OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG|OTGC_INT_APLGRMV)
4179 +#define OTGC_INT_B_TYPE (OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG)
4180 +
4181 +static void fotg2xx_otgc_role_change(struct usb_hcd *hcd);
4182 +
4183 +static void fotg2xx_otgc_init(struct usb_hcd *hcd)
4184 +{
4185 + struct ehci_hcd *ehci = hcd_to_ehci(hcd);
4186 + unsigned int reg;
4187 +
4188 + reg = __raw_readl(hcd->regs + OTGC_SCR);
4189 + ehci_info(ehci, "role detected: %s, ",
4190 + (reg & OTGC_SCR_CROLE) ? "Peripheral" : "Host");
4191 +
4192 + if (reg & OTGC_SCR_ID)
4193 + ehci_info(ehci, "B-Device (may be unsupported!)\n");
4194 + else
4195 + ehci_info(ehci, "A-Device\n");
4196 +
4197 + /* Enable the SRP detect */
4198 + reg &= ~OTGC_SCR_A_SRP_RESP_TYPE;
4199 + __raw_writel(reg, hcd->regs + OTGC_SCR);
4200 +
4201 + reg = __raw_readl(hcd->regs + OTGC_INT_EN);
4202 + /* clear INT B: bits AVBUSERR | OVC | RLCHG | IDCHG */
4203 + reg &= ~OTGC_INT_B_TYPE;
4204 + /* set INT A: bits ASRPDET | AVBUSERR | OVC | RLCHG | IDCHG | APLGRMV */
4205 + reg |= OTGC_INT_A_TYPE;
4206 + __raw_writel(reg, hcd->regs + OTGC_INT_EN);
4207 +
4208 + reg = __raw_readl(hcd->regs + GLOBAL_ICR);
4209 + reg &= ~GLOBAL_INT_MASK_OTG;
4210 + __raw_writel(reg, hcd->regs + GLOBAL_ICR);
4211 +
4212 + /* setup MISC register, fixes timing problems */
4213 + reg = __raw_readl(hcd->regs + HCD_MISC);
4214 + reg |= 0xD;
4215 + __raw_writel(reg, hcd->regs + HCD_MISC);
4216 +
4217 + fotg2xx_otgc_role_change(hcd);
4218 +}
4219 +
4220 +static void fotg2xx_otgh_close(struct usb_hcd *hcd)
4221 +{
4222 + unsigned int reg;
4223 +
4224 + /* <1>.Enable Interrupt Mask */
4225 + reg = __raw_readl(hcd->regs + GLOBAL_ICR);
4226 + reg |= GLOBAL_INT_MASK_HC;
4227 + __raw_writel(reg, hcd->regs + GLOBAL_ICR);
4228 +
4229 + /* <2>.Clear the Interrupt status */
4230 + reg = __raw_readl(hcd->regs + 0x18);
4231 + reg &= 0x0000003F;
4232 + __raw_writel(reg, hcd->regs + 0x14);
4233 +}
4234 +
4235 +static void fotg2xx_otgh_open(struct usb_hcd *hcd)
4236 +{
4237 + unsigned int reg;
4238 +
4239 + reg = __raw_readl(hcd->regs + OTGC_SCR);
4240 + reg &= ~OTGC_SCR_A_SRP_DET_EN;
4241 + __raw_writel(reg, hcd->regs + OTGC_SCR);
4242 +
4243 + reg = __raw_readl(hcd->regs + GLOBAL_ICR);
4244 + reg &= ~GLOBAL_INT_MASK_HC;
4245 + __raw_writel(reg, hcd->regs + GLOBAL_ICR);
4246 +}
4247 +
4248 +/* change to host role */
4249 +static void fotg2xx_otgc_role_change(struct usb_hcd *hcd)
4250 +{
4251 +
4252 + /* clear A_SET_B_HNP_EN */
4253 + otg_clear(0x80, BIT(6));
4254 +
4255 + /*** Enable VBUS driving */
4256 + if (readl(hcd->regs + 0x80) & BIT(19))
4257 + printk(KERN_INFO "VBUS already enabled\n");
4258 + else {
4259 + int cnt = 0;
4260 +
4261 + /* clear A_BUS_DROP */
4262 + otg_clear(0x80, BIT(5));
4263 +
4264 + /* set A_BUS_REQ */
4265 + otg_set(0x80, BIT(4));
4266 +
4267 + /* set global bus reg to VBUS on */
4268 + writel(readl(IO_ADDRESS(0x40000000) + 0x30) | ((BIT(21)|BIT(22))),
4269 + IO_ADDRESS(0x40000000) + 0x30);
4270 +
4271 + if (readl(hcd->regs + 0x80) & (1<<19)) {
4272 + printk(KERN_INFO "Waiting for VBus");
4273 + while (!(readl(hcd->regs + 0x80) & (1<<19)) && (cnt < 80)) {
4274 + printk(KERN_CONT ".");
4275 + cnt++;
4276 + }
4277 + printk(KERN_CONT "\n");
4278 + } else
4279 + printk(KERN_INFO "VBUS enabled.\n");
4280 +
4281 + mdelay(1);
4282 + }
4283 + fotg2xx_otgh_open(hcd);
4284 +}
4285 +
4286 +static int fotg2xx_ehci_hc_reset(struct usb_hcd *hcd)
4287 +{
4288 + int result;
4289 + struct ehci_hcd *ehci = hcd_to_ehci(hcd);
4290 +
4291 + ehci->caps = hcd->regs;
4292 + ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
4293 +
4294 + dbg_hcs_params(ehci, "reset");
4295 + dbg_hcc_params(ehci, "reset");
4296 +
4297 + ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
4298 + hcd->has_tt = 1;
4299 +
4300 + result = ehci_halt(ehci);
4301 + if (result)
4302 + return result;
4303 +
4304 + result = ehci_init(hcd);
4305 + if (result)
4306 + return result;
4307 +
4308 + ehci_port_power(ehci, 0);
4309 +
4310 + return result;
4311 +}
4312 +
4313 +/*
4314 + * Name: OTGC_INT_ISR
4315 + * Description:This interrupt service routine belongs to the OTG-Controller
4316 + * <1>.Check for ID_Change
4317 + * <2>.Check for RL_Change
4318 + * <3>.Error Detect
4319 + * Input: wINTStatus
4320 + * Output:void
4321 + */
4322 +void fotg2xx_int_isr(struct usb_hcd *hcd, u32 wINTStatus)
4323 +{
4324 + /* <1>.Check for ID_Change */
4325 + if (wINTStatus&OTGC_INT_IDCHG) {
4326 + if ((readl(hcd->regs + 0x80) & BIT(21)) != 0)
4327 + fotg2xx_otgc_init(hcd); /* Change to B Type */
4328 + else
4329 + fotg2xx_otgc_init(hcd); /* Change to A Type */
4330 +
4331 + return;
4332 + }
4333 +
4334 + /* <2>.Check for RL_Change */
4335 + if (wINTStatus&OTGC_INT_RLCHG)
4336 + fotg2xx_otgc_role_change(hcd);
4337 +
4338 + /* <3>.Error Detect */
4339 + if (wINTStatus&OTGC_INT_AVBUSERR)
4340 + printk(KERN_ERR "VBus error!\n");
4341 +
4342 + if (wINTStatus&OTGC_INT_OVC)
4343 + printk(KERN_WARNING "Overcurrent detected!\n");
4344 +
4345 + /* <3>.Check for Type-A/Type-B Interrupt */
4346 + if ((readl(hcd->regs + 0x80) & BIT(21)) == 0) { /*For Type-A Interrupt*/
4347 + if (wINTStatus & (OTGC_INT_A_TYPE | OTGC_INT_ASRPDET)) {
4348 + /* <1>.SRP detected => then set global variable */
4349 + printk(KERN_WARNING "SRP detected, but not implemented!\n");
4350 +
4351 +#if 0
4352 + u32 wTempCounter;
4353 + /* <2>.Turn on the V Bus */
4354 + pFTC_OTG->otg.state = OTG_STATE_A_WAIT_VRISE;
4355 + OTGC_enable_vbus_draw_storlink(1);
4356 + pFTC_OTG->otg.state = OTG_STATE_A_HOST;
4357 + /* <3>.Should waiting for Device-Connect Wait 300ms */
4358 + INFO(pFTC_OTG, ">>> OTG-A Waiting for OTG-B Connect,\n");
4359 + wTempCounter = 0;
4360 + while (mwHost20_PORTSC_ConnectStatus_Rd() == 0) {
4361 + mdelay(1);
4362 + wTempCounter++;
4363 + /* Waiting for 300 ms */
4364 + if (wTempCounter > 300) {
4365 + mdwOTGC_Control_A_SRP_DET_EN_Clr();
4366 + INFO(pFTC_OTG, ">>> OTG-B do not connect under 300 ms...\n");
4367 + break;
4368 + }
4369 + }
4370 + /* <4>.If Connect => issue quick Reset */
4371 + if (mwHost20_PORTSC_ConnectStatus_Rd() > 0) {
4372 + mdelay(300); /* For OPT-A Test */
4373 + OTGH_host_quick_Reset();
4374 + OTGH_Open();
4375 + pFTC_OTG->otg.host->A_Disable_Set_Feature_HNP = 0;
4376 + }
4377 +#endif
4378 + }
4379 + } else { /* For Type-B Interrupt */
4380 + BUG();
4381 + }
4382 +}
4383 +
4384 +static irqreturn_t fotg2xx_ehci_irq(int irq, void *devid)
4385 +{
4386 + struct usb_hcd *hcd = devid;
4387 + u32 val;
4388 +
4389 + /* OTG Interrupt Status Register */
4390 + val = readl(hcd->regs + 0x84);
4391 +
4392 + /* OTG stuff */
4393 + if (val) {
4394 + /* supposed to do "INT STS Clr" - XXX */
4395 + writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
4396 +
4397 + fotg2xx_int_isr(hcd, val);
4398 +
4399 + /* supposed to do "INT STS Clr" - XXX */
4400 + writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
4401 +
4402 + return IRQ_HANDLED;
4403 + }
4404 +
4405 + if ((readl(hcd->regs + 0x80) & BIT(20)) == 0) { /* Role is HOST */
4406 + if (readl(hcd->regs + 0xC0) & BIT(2)) { /* INT STS HOST */
4407 + /* leave this for ehci irq handler */
4408 + return IRQ_NONE;
4409 + }
4410 + } else
4411 + printk(KERN_WARNING
4412 + "received irq for peripheral - don't know what to do!\n");
4413 +
4414 + /* do not call the ehci irq handler */
4415 + return IRQ_HANDLED;
4416 +}
4417 +
4418 +static int fotg2xx_ehci_run(struct usb_hcd *hcd)
4419 +{
4420 + int retval;
4421 +
4422 + retval = ehci_run(hcd);
4423 +
4424 + fotg2xx_otgh_close(hcd);
4425 + fotg2xx_otgc_init(hcd);
4426 +
4427 + return retval;
4428 +}
4429 +
4430 +static const struct hc_driver fotg2xx_ehci_hc_driver = {
4431 + .description = hcd_name,
4432 + .product_desc = "FOTG2XX EHCI Host Controller",
4433 + .hcd_priv_size = sizeof(struct ehci_hcd),
4434 + .irq = ehci_irq,
4435 + .flags = HCD_MEMORY | HCD_USB2,
4436 + .reset = fotg2xx_ehci_hc_reset,
4437 + .start = fotg2xx_ehci_run,
4438 + .stop = ehci_stop,
4439 + .shutdown = ehci_shutdown,
4440 + .urb_enqueue = ehci_urb_enqueue,
4441 + .urb_dequeue = ehci_urb_dequeue,
4442 + .endpoint_disable = ehci_endpoint_disable,
4443 + .get_frame_number = ehci_get_frame,
4444 + .hub_status_data = ehci_hub_status_data,
4445 + .hub_control = ehci_hub_control,
4446 +#if defined(CONFIG_PM)
4447 + .bus_suspend = ehci_bus_suspend,
4448 + .bus_resume = ehci_bus_resume,
4449 +#endif
4450 + .relinquish_port = ehci_relinquish_port,
4451 + .port_handed_over = ehci_port_handed_over,
4452 +};
4453 +
4454 +static int fotg2xx_ehci_probe(struct platform_device *pdev)
4455 +{
4456 + const struct hc_driver *driver = &fotg2xx_ehci_hc_driver;
4457 + struct usb_hcd *hcd;
4458 + struct resource *res;
4459 + int irq;
4460 + int retval;
4461 +
4462 + pr_debug("initializing FOTG2XX-SOC USB Controller\n");
4463 +
4464 + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
4465 + if (!res) {
4466 + dev_err(&pdev->dev,
4467 + "Found HC with no IRQ. Check %s setup!\n",
4468 + dev_name(&pdev->dev));
4469 + return -ENODEV;
4470 + }
4471 +
4472 + irq = res->start;
4473 +
4474 + hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
4475 + if (!hcd) {
4476 + retval = -ENOMEM;
4477 + goto err1;
4478 + }
4479 +
4480 + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
4481 + if (!res) {
4482 + dev_err(&pdev->dev,
4483 + "Found HC with no register addr. Check %s setup!\n",
4484 + dev_name(&pdev->dev));
4485 + retval = -ENODEV;
4486 + goto err2;
4487 + }
4488 +
4489 + hcd->rsrc_start = res->start;
4490 + hcd->rsrc_len = res->end - res->start + 1;
4491 + if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
4492 + driver->description)) {
4493 + dev_dbg(&pdev->dev, "controller already in use\n");
4494 + retval = -EBUSY;
4495 + goto err2;
4496 + }
4497 +
4498 + hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
4499 + if (hcd->regs == NULL) {
4500 + dev_dbg(&pdev->dev, "error mapping memory\n");
4501 + retval = -EFAULT;
4502 + goto err3;
4503 + }
4504 +
4505 +
4506 + /* set global reg to mini-A host */
4507 + writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(30)|BIT(29)),
4508 + IO_ADDRESS(0x40000000) + 0x30);
4509 +
4510 + /* USB0&USB1 - VBUS off */
4511 + writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(21)|BIT(22)),
4512 + IO_ADDRESS(0x40000000) + 0x30);
4513 +
4514 + if ((readl(hcd->regs) == 0x01000010) &&
4515 + (readl(hcd->regs + 4) == 0x00000001) &&
4516 + (readl(hcd->regs + 8) == 0x00000006)) {
4517 + dev_info(&pdev->dev,
4518 + "Found Faraday OTG 2XX controller (base = 0x%08lX)\n",
4519 + (unsigned long) hcd->rsrc_start);
4520 + } else {
4521 + dev_err(&pdev->dev, "fotg2xx id mismatch: found %d.%d.%d\n",
4522 + readl(hcd->regs + 0x00),
4523 + readl(hcd->regs + 0x04),
4524 + readl(hcd->regs + 0x08));
4525 + retval = -ENODEV;
4526 + goto err4;
4527 + }
4528 +
4529 + platform_set_drvdata(pdev, hcd);
4530 +
4531 + /* mask interrupts - peripheral, otg, host, hi-active (bits 0,1,2,3) */
4532 + otg_set(0xc4, BIT(3)); /* hi active */
4533 +
4534 + otg_set(0xc4, BIT(2)); /* host */
4535 + otg_set(0xc4, BIT(1)); /* otg */
4536 + otg_set(0xc4, BIT(0)); /* peripheral */
4537 +
4538 + /* register additional interrupt - here we check otg status */
4539 + if ((request_irq(irq, &fotg2xx_ehci_irq, IRQF_SHARED | IRQF_DISABLED,
4540 + hcd->irq_descr, hcd)) != 0) {
4541 + dev_dbg(&pdev->dev, "error requesting irq %d\n", irq);
4542 + retval = -EFAULT;
4543 + goto err4;
4544 + }
4545 +
4546 + retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
4547 + if (retval != 0)
4548 + goto err4;
4549 + return retval;
4550 +
4551 +err4:
4552 + iounmap(hcd->regs);
4553 +err3:
4554 + release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
4555 +err2:
4556 + usb_put_hcd(hcd);
4557 +err1:
4558 + dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval);
4559 + return retval;
4560 +}
4561 +
4562 +/* may be called without controller electrically present */
4563 +/* may be called with controller, bus, and devices active */
4564 +
4565 +int fotg2xx_ehci_remove(struct platform_device *pdev)
4566 +{
4567 + struct usb_hcd *hcd =
4568 + (struct usb_hcd *)platform_get_drvdata(pdev);
4569 +
4570 + usb_remove_hcd(hcd);
4571 + release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
4572 + iounmap(hcd->regs);
4573 + usb_put_hcd(hcd);
4574 + platform_set_drvdata(pdev, NULL);
4575 +
4576 + return 0;
4577 +}
4578 +
4579 +MODULE_ALIAS("platform:ehci-fotg2xx");
4580 +
4581 +static struct platform_driver fotg2xx_ehci_driver = {
4582 + .probe = fotg2xx_ehci_probe,
4583 + .remove = fotg2xx_ehci_remove,
4584 + .driver = {
4585 + .name = "ehci-fotg2xx",
4586 + },
4587 +};
4588 --- a/drivers/usb/host/ehci.h
4589 +++ b/drivers/usb/host/ehci.h
4590 @@ -552,7 +552,12 @@ static inline unsigned int
4591 ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
4592 {
4593 if (ehci_is_TDI(ehci)) {
4594 +#ifdef CONFIG_ARCH_GEMINI
4595 + portsc = readl(ehci_to_hcd(ehci)->regs + 0x80);
4596 + switch ((portsc>>22)&3) {
4597 +#else
4598 switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) {
4599 +#endif
4600 case 0:
4601 return 0;
4602 case 1:
4603 --- a/drivers/usb/host/ehci-hcd.c
4604 +++ b/drivers/usb/host/ehci-hcd.c
4605 @@ -194,9 +194,11 @@ static int ehci_halt (struct ehci_hcd *e
4606 if ((temp & STS_HALT) != 0)
4607 return 0;
4608
4609 +#ifndef CONFIG_ARCH_GEMINI
4610 temp = ehci_readl(ehci, &ehci->regs->command);
4611 temp &= ~CMD_RUN;
4612 ehci_writel(ehci, temp, &ehci->regs->command);
4613 +#endif
4614 return handshake (ehci, &ehci->regs->status,
4615 STS_HALT, STS_HALT, 16 * 125);
4616 }
4617 @@ -263,8 +265,8 @@ static int ehci_reset (struct ehci_hcd *
4618 if (retval)
4619 return retval;
4620
4621 - if (ehci_is_TDI(ehci))
4622 - tdi_reset (ehci);
4623 +// if (ehci_is_TDI(ehci))
4624 +// tdi_reset (ehci);
4625
4626 if (ehci->debug)
4627 dbgp_external_startup();
4628 @@ -397,12 +399,13 @@ static void ehci_silence_controller(stru
4629 {
4630 ehci_halt(ehci);
4631 ehci_turn_off_all_ports(ehci);
4632 -
4633 +#ifndef CONFIG_ARCH_GEMINI
4634 /* make BIOS/etc use companion controller during reboot */
4635 ehci_writel(ehci, 0, &ehci->regs->configured_flag);
4636
4637 /* unblock posted writes */
4638 ehci_readl(ehci, &ehci->regs->configured_flag);
4639 +#endif
4640 }
4641
4642 /* ehci_shutdown kick in for silicon on any bus (not just pci, etc).
4643 @@ -653,7 +656,9 @@ static int ehci_run (struct usb_hcd *hcd
4644 // Philips, Intel, and maybe others need CMD_RUN before the
4645 // root hub will detect new devices (why?); NEC doesn't
4646 ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
4647 +#ifndef CONFIG_ARCH_GEMINI
4648 ehci->command |= CMD_RUN;
4649 +#endif
4650 ehci_writel(ehci, ehci->command, &ehci->regs->command);
4651 dbg_cmd (ehci, "init", ehci->command);
4652
4653 @@ -673,9 +678,11 @@ static int ehci_run (struct usb_hcd *hcd
4654 */
4655 down_write(&ehci_cf_port_reset_rwsem);
4656 hcd->state = HC_STATE_RUNNING;
4657 +#ifndef CONFIG_ARCH_GEMINI
4658 ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
4659 ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
4660 msleep(5);
4661 +#endif
4662 up_write(&ehci_cf_port_reset_rwsem);
4663 ehci->last_periodic_enable = ktime_get_real();
4664
4665 @@ -767,9 +774,10 @@ static irqreturn_t ehci_irq (struct usb_
4666 pcd_status = status;
4667
4668 /* resume root hub? */
4669 +#ifndef CONFIG_ARCH_GEMINI
4670 if (!(cmd & CMD_RUN))
4671 usb_hcd_resume_root_hub(hcd);
4672 -
4673 +#endif
4674 while (i--) {
4675 int pstatus = ehci_readl(ehci,
4676 &ehci->regs->port_status [i]);
4677 @@ -802,7 +810,9 @@ static irqreturn_t ehci_irq (struct usb_
4678 ehci_halt(ehci);
4679 dead:
4680 ehci_reset(ehci);
4681 +#ifndef CONFIG_ARCH_GEMINI
4682 ehci_writel(ehci, 0, &ehci->regs->configured_flag);
4683 +#endif
4684 /* generic layer kills/unlinks all urbs, then
4685 * uses ehci_stop to clean up the rest
4686 */
4687 @@ -1101,6 +1111,11 @@ MODULE_LICENSE ("GPL");
4688 #define PCI_DRIVER ehci_pci_driver
4689 #endif
4690
4691 +#ifdef CONFIG_ARCH_GEMINI
4692 +#include "ehci-fotg2xx.c"
4693 +#define PLATFORM_DRIVER fotg2xx_ehci_driver
4694 +#endif
4695 +
4696 #ifdef CONFIG_USB_EHCI_FSL
4697 #include "ehci-fsl.c"
4698 #define PLATFORM_DRIVER ehci_fsl_driver
4699 --- a/drivers/usb/host/ehci-hub.c
4700 +++ b/drivers/usb/host/ehci-hub.c
4701 @@ -809,6 +809,12 @@ static int ehci_hub_control (
4702 /* see what we found out */
4703 temp = check_reset_complete (ehci, wIndex, status_reg,
4704 ehci_readl(ehci, status_reg));
4705 +#ifdef CONFIG_ARCH_GEMINI
4706 + /* restart schedule */
4707 + ehci_writel(ehci, ehci_readl(ehci, &ehci->regs->command) | CMD_RUN, &ehci->regs->command);
4708 +
4709 +// hcd->state = HC_STATE_RUNNING;
4710 +#endif
4711 }
4712
4713 if (!(temp & (PORT_RESUME|PORT_RESET)))
4714 --- a/drivers/usb/Kconfig
4715 +++ b/drivers/usb/Kconfig
4716 @@ -60,6 +60,7 @@ config USB_ARCH_HAS_EHCI
4717 default y if ARCH_IXP4XX
4718 default y if ARCH_W90X900
4719 default y if ARCH_AT91SAM9G45
4720 + default y if ARCH_GEMINI
4721 default PCI
4722
4723 # ARM SA1111 chips have a non-PCI based "OHCI-compatible" USB host interface.
4724 --- /dev/null
4725 +++ b/drivers/watchdog/gemini_wdt.c
4726 @@ -0,0 +1,368 @@
4727 +/*
4728 + * Watchdog driver for Cortina Systems Gemini SoC
4729 + *
4730 + * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
4731 + *
4732 + * This program is free software; you can redistribute it and/or modify
4733 + * it under the terms of the GNU General Public License version 2 as
4734 + * published by the Free Software Foundation.
4735 + */
4736 +
4737 +#include <linux/kernel.h>
4738 +#include <linux/init.h>
4739 +#include <linux/io.h>
4740 +#include <linux/fs.h>
4741 +#include <linux/uaccess.h>
4742 +#include <linux/miscdevice.h>
4743 +#include <linux/platform_device.h>
4744 +#include <linux/watchdog.h>
4745 +
4746 +#define GEMINI_WDCOUNTER 0x0
4747 +#define GEMINI_WDLOAD 0x4
4748 +#define GEMINI_WDRESTART 0x8
4749 +
4750 +#define WDRESTART_MAGIC 0x5AB9
4751 +
4752 +#define GEMINI_WDCR 0xC
4753 +
4754 +#define WDCR_CLOCK_5MHZ (1 << 4)
4755 +#define WDCR_SYS_RST (1 << 1)
4756 +#define WDCR_ENABLE (1 << 0)
4757 +
4758 +#define WDT_CLOCK 5000000 /* 5 MHz */
4759 +#define WDT_DEFAULT_TIMEOUT 13
4760 +#define WDT_MAX_TIMEOUT (0xFFFFFFFF / WDT_CLOCK)
4761 +
4762 +/* status bits */
4763 +#define WDT_ACTIVE 0
4764 +#define WDT_OK_TO_CLOSE 1
4765 +
4766 +static unsigned int timeout = WDT_DEFAULT_TIMEOUT;
4767 +static int nowayout = WATCHDOG_NOWAYOUT;
4768 +
4769 +static DEFINE_SPINLOCK(gemini_wdt_lock);
4770 +
4771 +static struct platform_device *gemini_wdt_dev;
4772 +
4773 +struct gemini_wdt_struct {
4774 + struct resource *res;
4775 + struct device *dev;
4776 + void __iomem *base;
4777 + unsigned long status;
4778 +};
4779 +
4780 +static struct watchdog_info gemini_wdt_info = {
4781 + .identity = "Gemini watchdog",
4782 + .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING |
4783 + WDIOF_SETTIMEOUT,
4784 +};
4785 +
4786 +/* Disable the watchdog. */
4787 +static void gemini_wdt_stop(struct gemini_wdt_struct *gemini_wdt)
4788 +{
4789 + spin_lock(&gemini_wdt_lock);
4790 +
4791 + __raw_writel(0, gemini_wdt->base + GEMINI_WDCR);
4792 +
4793 + clear_bit(WDT_ACTIVE, &gemini_wdt->status);
4794 +
4795 + spin_unlock(&gemini_wdt_lock);
4796 +}
4797 +
4798 +/* Service the watchdog */
4799 +static void gemini_wdt_service(struct gemini_wdt_struct *gemini_wdt)
4800 +{
4801 + __raw_writel(WDRESTART_MAGIC, gemini_wdt->base + GEMINI_WDRESTART);
4802 +}
4803 +
4804 +/* Enable and reset the watchdog. */
4805 +static void gemini_wdt_start(struct gemini_wdt_struct *gemini_wdt)
4806 +{
4807 + spin_lock(&gemini_wdt_lock);
4808 +
4809 + __raw_writel(timeout * WDT_CLOCK, gemini_wdt->base + GEMINI_WDLOAD);
4810 +
4811 + gemini_wdt_service(gemini_wdt);
4812 +
4813 + /* set clock before enabling */
4814 + __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST,
4815 + gemini_wdt->base + GEMINI_WDCR);
4816 +
4817 + __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST | WDCR_ENABLE,
4818 + gemini_wdt->base + GEMINI_WDCR);
4819 +
4820 + set_bit(WDT_ACTIVE, &gemini_wdt->status);
4821 +
4822 + spin_unlock(&gemini_wdt_lock);
4823 +}
4824 +
4825 +/* Watchdog device is opened, and watchdog starts running. */
4826 +static int gemini_wdt_open(struct inode *inode, struct file *file)
4827 +{
4828 + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(gemini_wdt_dev);
4829 +
4830 + if (test_bit(WDT_ACTIVE, &gemini_wdt->status))
4831 + return -EBUSY;
4832 +
4833 + file->private_data = gemini_wdt;
4834 +
4835 + gemini_wdt_start(gemini_wdt);
4836 +
4837 + return nonseekable_open(inode, file);
4838 +}
4839 +
4840 +/* Close the watchdog device. */
4841 +static int gemini_wdt_close(struct inode *inode, struct file *file)
4842 +{
4843 + struct gemini_wdt_struct *gemini_wdt = file->private_data;
4844 +
4845 + /* Disable the watchdog if possible */
4846 + if (test_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status))
4847 + gemini_wdt_stop(gemini_wdt);
4848 + else
4849 + dev_warn(gemini_wdt->dev, "Device closed unexpectedly - timer will not stop\n");
4850 +
4851 + return 0;
4852 +}
4853 +
4854 +/* Handle commands from user-space. */
4855 +static int gemini_wdt_ioctl(struct inode *inode, struct file *file,
4856 + unsigned int cmd, unsigned long arg)
4857 +{
4858 + struct gemini_wdt_struct *gemini_wdt = file->private_data;
4859 +
4860 + int value;
4861 +
4862 + switch (cmd) {
4863 + case WDIOC_KEEPALIVE:
4864 + gemini_wdt_service(gemini_wdt);
4865 + return 0;
4866 +
4867 + case WDIOC_GETSUPPORT:
4868 + return copy_to_user((struct watchdog_info *)arg, &gemini_wdt_info,
4869 + sizeof(gemini_wdt_info)) ? -EFAULT : 0;
4870 +
4871 + case WDIOC_SETTIMEOUT:
4872 + if (get_user(value, (int *)arg))
4873 + return -EFAULT;
4874 +
4875 + if ((value < 1) || (value > WDT_MAX_TIMEOUT))
4876 + return -EINVAL;
4877 +
4878 + timeout = value;
4879 +
4880 + /* restart wdt to use new timeout */
4881 + gemini_wdt_stop(gemini_wdt);
4882 + gemini_wdt_start(gemini_wdt);
4883 +
4884 + /* Fall through */
4885 + case WDIOC_GETTIMEOUT:
4886 + return put_user(timeout, (int *)arg);
4887 +
4888 + case WDIOC_GETTIMELEFT:
4889 + value = __raw_readl(gemini_wdt->base + GEMINI_WDCOUNTER);
4890 + return put_user(value / WDT_CLOCK, (int *)arg);
4891 +
4892 + default:
4893 + return -ENOTTY;
4894 + }
4895 +}
4896 +
4897 +/* Refresh the watchdog whenever device is written to. */
4898 +static ssize_t gemini_wdt_write(struct file *file, const char *data,
4899 + size_t len, loff_t *ppos)
4900 +{
4901 + struct gemini_wdt_struct *gemini_wdt = file->private_data;
4902 +
4903 + if (len) {
4904 + if (!nowayout) {
4905 + size_t i;
4906 +
4907 + clear_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status);
4908 + for (i = 0; i != len; i++) {
4909 + char c;
4910 +
4911 + if (get_user(c, data + i))
4912 + return -EFAULT;
4913 + if (c == 'V')
4914 + set_bit(WDT_OK_TO_CLOSE,
4915 + &gemini_wdt->status);
4916 + }
4917 + }
4918 + gemini_wdt_service(gemini_wdt);
4919 + }
4920 +
4921 + return len;
4922 +}
4923 +
4924 +static const struct file_operations gemini_wdt_fops = {
4925 + .owner = THIS_MODULE,
4926 + .llseek = no_llseek,
4927 + .ioctl = gemini_wdt_ioctl,
4928 + .open = gemini_wdt_open,
4929 + .release = gemini_wdt_close,
4930 + .write = gemini_wdt_write,
4931 +};
4932 +
4933 +static struct miscdevice gemini_wdt_miscdev = {
4934 + .minor = WATCHDOG_MINOR,
4935 + .name = "watchdog",
4936 + .fops = &gemini_wdt_fops,
4937 +};
4938 +
4939 +static void gemini_wdt_shutdown(struct platform_device *pdev)
4940 +{
4941 + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
4942 +
4943 + gemini_wdt_stop(gemini_wdt);
4944 +}
4945 +
4946 +static int __init gemini_wdt_probe(struct platform_device *pdev)
4947 +{
4948 + int ret;
4949 + int res_size;
4950 + struct resource *res;
4951 + void __iomem *base;
4952 + struct gemini_wdt_struct *gemini_wdt;
4953 +
4954 + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
4955 + if (!res) {
4956 + dev_err(&pdev->dev, "can't get device resources\n");
4957 + return -ENODEV;
4958 + }
4959 +
4960 + res_size = resource_size(res);
4961 + if (!request_mem_region(res->start, res_size, res->name)) {
4962 + dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n",
4963 + res_size, res->start);
4964 + return -ENOMEM;
4965 + }
4966 +
4967 + base = ioremap(res->start, res_size);
4968 + if (!base) {
4969 + dev_err(&pdev->dev, "ioremap failed\n");
4970 + ret = -EIO;
4971 + goto fail0;
4972 + }
4973 +
4974 + gemini_wdt = kzalloc(sizeof(struct gemini_wdt_struct), GFP_KERNEL);
4975 + if (!gemini_wdt) {
4976 + dev_err(&pdev->dev, "can't allocate interface\n");
4977 + ret = -ENOMEM;
4978 + goto fail1;
4979 + }
4980 +
4981 + /* Setup gemini_wdt driver structure */
4982 + gemini_wdt->base = base;
4983 + gemini_wdt->res = res;
4984 +
4985 + /* Set up platform driver data */
4986 + platform_set_drvdata(pdev, gemini_wdt);
4987 + gemini_wdt_dev = pdev;
4988 +
4989 + if (gemini_wdt_miscdev.parent) {
4990 + ret = -EBUSY;
4991 + goto fail2;
4992 + }
4993 +
4994 + gemini_wdt_miscdev.parent = &pdev->dev;
4995 +
4996 + ret = misc_register(&gemini_wdt_miscdev);
4997 + if (ret)
4998 + goto fail2;
4999 +
5000 + return 0;
5001 +
5002 +fail2:
5003 + platform_set_drvdata(pdev, NULL);
5004 + kfree(gemini_wdt);
5005 +fail1:
5006 + iounmap(base);
5007 +fail0:
5008 + release_mem_region(res->start, res_size);
5009 +
5010 + return ret;
5011 +}
5012 +
5013 +static int __exit gemini_wdt_remove(struct platform_device *pdev)
5014 +{
5015 + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
5016 +
5017 + platform_set_drvdata(pdev, NULL);
5018 + misc_deregister(&gemini_wdt_miscdev);
5019 + gemini_wdt_dev = NULL;
5020 + iounmap(gemini_wdt->base);
5021 + release_mem_region(gemini_wdt->res->start, resource_size(gemini_wdt->res));
5022 +
5023 + kfree(gemini_wdt);
5024 +
5025 + return 0;
5026 +}
5027 +
5028 +#ifdef CONFIG_PM
5029 +static int gemini_wdt_suspend(struct platform_device *pdev, pm_message_t message)
5030 +{
5031 + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
5032 + unsigned int reg;
5033 +
5034 + reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
5035 + reg &= ~(WDCR_WDENABLE);
5036 + __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
5037 +
5038 + return 0;
5039 +}
5040 +
5041 +static int gemini_wdt_resume(struct platform_device *pdev)
5042 +{
5043 + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
5044 + unsigned int reg;
5045 +
5046 + if (gemini_wdt->status) {
5047 + reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
5048 + reg |= WDCR_WDENABLE;
5049 + __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
5050 + }
5051 +
5052 + return 0;
5053 +}
5054 +#else
5055 +#define gemini_wdt_suspend NULL
5056 +#define gemini_wdt_resume NULL
5057 +#endif
5058 +
5059 +static struct platform_driver gemini_wdt_driver = {
5060 + .probe = gemini_wdt_probe,
5061 + .remove = __exit_p(gemini_wdt_remove),
5062 + .shutdown = gemini_wdt_shutdown,
5063 + .suspend = gemini_wdt_suspend,
5064 + .resume = gemini_wdt_resume,
5065 + .driver = {
5066 + .name = "gemini-wdt",
5067 + .owner = THIS_MODULE,
5068 + },
5069 +};
5070 +
5071 +static int __init gemini_wdt_init(void)
5072 +{
5073 + return platform_driver_probe(&gemini_wdt_driver, gemini_wdt_probe);
5074 +}
5075 +
5076 +static void __exit gemini_wdt_exit(void)
5077 +{
5078 + platform_driver_unregister(&gemini_wdt_driver);
5079 +}
5080 +
5081 +module_init(gemini_wdt_init);
5082 +module_exit(gemini_wdt_exit);
5083 +
5084 +module_param(timeout, uint, 0);
5085 +MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds");
5086 +
5087 +module_param(nowayout, int, 0);
5088 +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
5089 +
5090 +MODULE_AUTHOR("Paulius Zaleckas");
5091 +MODULE_DESCRIPTION("Watchdog driver for Gemini");
5092 +MODULE_LICENSE("GPL");
5093 +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
5094 +MODULE_ALIAS("platform:gemini-wdt");
5095 --- a/drivers/watchdog/Kconfig
5096 +++ b/drivers/watchdog/Kconfig
5097 @@ -111,6 +111,16 @@ config 977_WATCHDOG
5098
5099 Not sure? It's safe to say N.
5100
5101 +config GEMINI_WATCHDOG
5102 + tristate "Gemini watchdog"
5103 + depends on ARCH_GEMINI
5104 + help
5105 + Say Y here if to include support for the watchdog timer
5106 + embedded in the Cortina Systems Gemini family of devices.
5107 +
5108 + To compile this driver as a module, choose M here: the
5109 + module will be called gemini_wdt.
5110 +
5111 config IXP2000_WATCHDOG
5112 tristate "IXP2000 Watchdog"
5113 depends on ARCH_IXP2000
5114 --- a/drivers/watchdog/Makefile
5115 +++ b/drivers/watchdog/Makefile
5116 @@ -31,6 +31,7 @@ obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.
5117 obj-$(CONFIG_TWL4030_WATCHDOG) += twl4030_wdt.o
5118 obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
5119 obj-$(CONFIG_977_WATCHDOG) += wdt977.o
5120 +obj-$(CONFIG_GEMINI_WATCHDOG) += gemini_wdt.o
5121 obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o
5122 obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
5123 obj-$(CONFIG_KS8695_WATCHDOG) += ks8695_wdt.o
5124 --- a/include/linux/usb/ehci_def.h
5125 +++ b/include/linux/usb/ehci_def.h
5126 @@ -91,9 +91,9 @@ struct ehci_regs {
5127 u32 frame_list; /* points to periodic list */
5128 /* ASYNCLISTADDR: offset 0x18 */
5129 u32 async_next; /* address of next async queue head */
5130 -
5131 +#ifndef CONFIG_ARCH_GEMINI
5132 u32 reserved [9];
5133 -
5134 +#endif
5135 /* CONFIGFLAG: offset 0x40 */
5136 u32 configured_flag;
5137 #define FLAG_CF (1<<0) /* true: we'll support "high speed" */
5138 --- a/arch/arm/mm/Kconfig
5139 +++ b/arch/arm/mm/Kconfig
5140 @@ -774,5 +774,6 @@ config CACHE_XSC3L2
5141
5142 config ARM_L1_CACHE_SHIFT
5143 int
5144 + default 4 if CPU_FA526
5145 default 6 if ARCH_OMAP3
5146 default 5
5147 --- a/arch/arm/lib/copy_page.S
5148 +++ b/arch/arm/lib/copy_page.S
5149 @@ -17,7 +17,7 @@
5150 #define COPY_COUNT (PAGE_SZ / (2 * L1_CACHE_BYTES) PLD( -1 ))
5151
5152 .text
5153 - .align 5
5154 + .align L1_CACHE_SHIFT
5155 /*
5156 * StrongARM optimised copy_page routine
5157 * now 1.78bytes/cycle, was 1.60 bytes/cycle (50MHz bus -> 89MB/s)
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