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[openwrt.git] / target / linux / brcm47xx / patches-2.6.25 / 400-arch-bcm47xx.patch
1 --- a/arch/mips/bcm47xx/irq.c
2 +++ b/arch/mips/bcm47xx/irq.c
3 @@ -1,5 +1,6 @@
4 /*
5 * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
6 + * Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 @@ -23,10 +24,19 @@
11 */
12
13 #include <linux/types.h>
14 +#include <linux/errno.h>
15 +#include <linux/init.h>
16 #include <linux/interrupt.h>
17 #include <linux/irq.h>
18 +#include <linux/pci.h>
19 +#include <linux/ssb/ssb.h>
20 +
21 #include <asm/irq_cpu.h>
22
23 +
24 +extern struct ssb_bus ssb_bcm47xx;
25 +
26 +
27 void plat_irq_dispatch(void)
28 {
29 u32 cause;
30 @@ -53,3 +63,19 @@ void __init arch_init_irq(void)
31 {
32 mips_cpu_irq_init();
33 }
34 +
35 +int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
36 +{
37 + int res;
38 +
39 + res = ssb_pcibios_map_irq(dev, slot, pin);
40 + if (res < 0) {
41 + printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
42 + dev->dev.bus_id);
43 + return 0;
44 + }
45 + /* IRQ-0 and IRQ-1 are software interrupts. */
46 + WARN_ON((res == 0) || (res == 1));
47 +
48 + return res;
49 +}
50 --- a/arch/mips/bcm47xx/setup.c
51 +++ b/arch/mips/bcm47xx/setup.c
52 @@ -2,7 +2,7 @@
53 * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
54 * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
55 * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
56 - * Copyright (C) 2006 Michael Buesch <mb@bu3sch.de>
57 + * Copyright (C) 2006-2008 Michael Buesch <mb@bu3sch.de>
58 *
59 * This program is free software; you can redistribute it and/or modify it
60 * under the terms of the GNU General Public License as published by the
61 @@ -25,23 +25,52 @@
62 * 675 Mass Ave, Cambridge, MA 02139, USA.
63 */
64
65 +#include <linux/init.h>
66 #include <linux/types.h>
67 -#include <linux/ssb/ssb.h>
68 +#include <linux/tty.h>
69 +#include <linux/serial.h>
70 +#include <linux/serial_core.h>
71 +#include <linux/serial_reg.h>
72 +#include <linux/serial_8250.h>
73 #include <asm/bootinfo.h>
74 -#include <asm/reboot.h>
75 #include <asm/time.h>
76 -#include <bcm47xx.h>
77 +#include <asm/reboot.h>
78 #include <asm/fw/cfe/cfe_api.h>
79 +#include <linux/pm.h>
80 +#include <linux/ssb/ssb.h>
81 +#include <linux/ssb/ssb_embedded.h>
82 +
83 +#include "include/nvram.h"
84
85 struct ssb_bus ssb_bcm47xx;
86 EXPORT_SYMBOL(ssb_bcm47xx);
87
88 +extern void bcm47xx_pci_init(void);
89 +
90 +int pcibios_plat_dev_init(struct pci_dev *dev)
91 +{
92 + int err;
93 +
94 + err = ssb_pcibios_plat_dev_init(dev);
95 + if (err) {
96 + printk(KERN_ALERT "PCI: Failed to init device %s\n",
97 + pci_name(dev));
98 + }
99 +
100 + return err;
101 +}
102 +
103 static void bcm47xx_machine_restart(char *command)
104 {
105 printk(KERN_ALERT "Please stand by while rebooting the system...\n");
106 local_irq_disable();
107 + /* CFE has a reboot callback, but that does not work.
108 + * Oopses with: Reserved instruction in kernel code.
109 + */
110 +
111 /* Set the watchdog timer to reset immediately */
112 - ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 1);
113 + if (ssb_watchdog_timer_set(&ssb_bcm47xx, 1))
114 + printk(KERN_EMERG "SSB watchdog-triggered reboot failed!\n");
115 while (1)
116 cpu_relax();
117 }
118 @@ -50,12 +79,13 @@ static void bcm47xx_machine_halt(void)
119 {
120 /* Disable interrupts and watchdog and spin forever */
121 local_irq_disable();
122 - ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 0);
123 + if (ssb_watchdog_timer_set(&ssb_bcm47xx, 0))
124 + printk(KERN_EMERG "Failed to disable SSB watchdog!\n");
125 while (1)
126 cpu_relax();
127 }
128
129 -static void str2eaddr(char *str, char *dest)
130 +static void e_aton(char *str, char *dest)
131 {
132 int i = 0;
133
134 @@ -72,52 +102,141 @@ static void str2eaddr(char *str, char *d
135 }
136 }
137
138 -static int bcm47xx_get_invariants(struct ssb_bus *bus,
139 - struct ssb_init_invariants *iv)
140 +static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
141 {
142 - char buf[100];
143 + char *s;
144
145 - /* Fill boardinfo structure */
146 - memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
147 + memset(sprom, 0xFF, sizeof(struct ssb_sprom));
148
149 - if (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0)
150 - iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
151 - if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0)
152 - iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
153 - if (cfe_getenv("boardrev", buf, sizeof(buf)) >= 0)
154 - iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
155 -
156 - /* Fill sprom structure */
157 - memset(&(iv->sprom), 0, sizeof(struct ssb_sprom));
158 - iv->sprom.revision = 3;
159 -
160 - if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
161 - str2eaddr(buf, iv->sprom.et0mac);
162 - if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
163 - str2eaddr(buf, iv->sprom.et1mac);
164 - if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0)
165 - iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 10);
166 - if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0)
167 - iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 10);
168 - if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0)
169 - iv->sprom.et0mdcport = simple_strtoul(buf, NULL, 10);
170 - if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0)
171 - iv->sprom.et1mdcport = simple_strtoul(buf, NULL, 10);
172 + sprom->revision = 1;
173 + if ((s = nvram_get("il0macaddr")))
174 + e_aton(s, sprom->il0mac);
175 + if ((s = nvram_get("et0macaddr")))
176 + e_aton(s, sprom->et0mac);
177 + if ((s = nvram_get("et1macaddr")))
178 + e_aton(s, sprom->et1mac);
179 + if ((s = nvram_get("et0phyaddr")))
180 + sprom->et0phyaddr = simple_strtoul(s, NULL, 0);
181 + if ((s = nvram_get("et1phyaddr")))
182 + sprom->et1phyaddr = simple_strtoul(s, NULL, 0);
183 + if ((s = nvram_get("et0mdcport")))
184 + sprom->et0mdcport = !!simple_strtoul(s, NULL, 10);
185 + if ((s = nvram_get("et1mdcport")))
186 + sprom->et1mdcport = !!simple_strtoul(s, NULL, 10);
187 + if ((s = nvram_get("pa0b0")))
188 + sprom->pa0b0 = simple_strtoul(s, NULL, 0);
189 + if ((s = nvram_get("pa0b1")))
190 + sprom->pa0b1 = simple_strtoul(s, NULL, 0);
191 + if ((s = nvram_get("pa0b2")))
192 + sprom->pa0b2 = simple_strtoul(s, NULL, 0);
193 + if ((s = nvram_get("pa1b0")))
194 + sprom->pa1b0 = simple_strtoul(s, NULL, 0);
195 + if ((s = nvram_get("pa1b1")))
196 + sprom->pa1b1 = simple_strtoul(s, NULL, 0);
197 + if ((s = nvram_get("pa1b2")))
198 + sprom->pa1b2 = simple_strtoul(s, NULL, 0);
199 + if ((s = nvram_get("wl0gpio0")))
200 + sprom->gpio0 = simple_strtoul(s, NULL, 0);
201 + if ((s = nvram_get("wl0gpio1")))
202 + sprom->gpio1 = simple_strtoul(s, NULL, 0);
203 + if ((s = nvram_get("wl0gpio2")))
204 + sprom->gpio2 = simple_strtoul(s, NULL, 0);
205 + if ((s = nvram_get("wl0gpio3")))
206 + sprom->gpio3 = simple_strtoul(s, NULL, 0);
207 + if ((s = nvram_get("pa0maxpwr")))
208 + sprom->maxpwr_bg = simple_strtoul(s, NULL, 0);
209 + if ((s = nvram_get("pa1maxpwr")))
210 + sprom->maxpwr_a = simple_strtoul(s, NULL, 0);
211 + if ((s = nvram_get("pa0itssit")))
212 + sprom->itssi_bg = simple_strtoul(s, NULL, 0);
213 + if ((s = nvram_get("pa1itssit")))
214 + sprom->itssi_a = simple_strtoul(s, NULL, 0);
215 + sprom->boardflags_lo = 0;
216 + if ((s = nvram_get("boardflags")))
217 + sprom->boardflags_lo = simple_strtoul(s, NULL, 0);
218 + sprom->boardflags_hi = 0;
219 + if ((s = nvram_get("boardflags2")))
220 + sprom->boardflags_hi = simple_strtoul(s, NULL, 0);
221 +}
222 +
223 +static int bcm47xx_get_invariants(struct ssb_bus *bus, struct ssb_init_invariants *iv)
224 +{
225 + char *s;
226 +
227 + iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
228 + if ((s = nvram_get("boardtype")))
229 + iv->boardinfo.type = (u16)simple_strtoul(s, NULL, 0);
230 + if ((s = nvram_get("boardrev")))
231 + iv->boardinfo.rev = (u16)simple_strtoul(s, NULL, 0);
232 +
233 + bcm47xx_fill_sprom(&iv->sprom);
234 +
235 + if ((s = nvram_get("cardbus")))
236 + iv->has_cardbus_slot = !!simple_strtoul(s, NULL, 10);
237
238 return 0;
239 }
240
241 void __init plat_mem_setup(void)
242 {
243 - int err;
244 + int i, err;
245 + char *s;
246 + struct ssb_mipscore *mcore;
247 +
248 + err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE, bcm47xx_get_invariants);
249 + if (err) {
250 + const char *msg = "Failed to initialize SSB bus (err %d)\n";
251 + printk(msg, err); /* Make sure the message gets out of the box. */
252 + panic(msg, err);
253 + }
254 + mcore = &ssb_bcm47xx.mipscore;
255 +
256 + s = nvram_get("kernel_args");
257 + if (s && !strncmp(s, "console=ttyS1", 13)) {
258 + struct ssb_serial_port port;
259 +
260 + printk("Swapping serial ports!\n");
261 + /* swap serial ports */
262 + memcpy(&port, &mcore->serial_ports[0], sizeof(port));
263 + memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port));
264 + memcpy(&mcore->serial_ports[1], &port, sizeof(port));
265 + }
266
267 - err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
268 - bcm47xx_get_invariants);
269 - if (err)
270 - panic("Failed to initialize SSB bus (err %d)\n", err);
271 + for (i = 0; i < mcore->nr_serial_ports; i++) {
272 + struct ssb_serial_port *port = &(mcore->serial_ports[i]);
273 + struct uart_port s;
274 +
275 + memset(&s, 0, sizeof(s));
276 + s.line = i;
277 + s.membase = port->regs;
278 + s.irq = port->irq + 2;
279 + s.uartclk = port->baud_base;
280 + s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
281 + s.iotype = SERIAL_IO_MEM;
282 + s.regshift = port->reg_shift;
283 +
284 + early_serial_setup(&s);
285 + }
286 + printk("Serial init done.\n");
287
288 _machine_restart = bcm47xx_machine_restart;
289 _machine_halt = bcm47xx_machine_halt;
290 pm_power_off = bcm47xx_machine_halt;
291 }
292
293 +static int __init bcm47xx_register_gpiodev(void)
294 +{
295 + static struct resource res = {
296 + .start = 0xFFFFFFFF,
297 + };
298 + struct platform_device *pdev;
299 +
300 + pdev = platform_device_register_simple("GPIODEV", 0, &res, 1);
301 + if (!pdev) {
302 + printk(KERN_ERR "bcm47xx: GPIODEV init failed\n");
303 + return -ENODEV;
304 + }
305 +
306 + return 0;
307 +}
308 +device_initcall(bcm47xx_register_gpiodev);
309 --- a/arch/mips/bcm47xx/time.c
310 +++ b/arch/mips/bcm47xx/time.c
311 @@ -22,11 +22,17 @@
312 * 675 Mass Ave, Cambridge, MA 02139, USA.
313 */
314
315 -
316 #include <linux/init.h>
317 +#include <linux/kernel.h>
318 +#include <linux/sched.h>
319 +#include <linux/serial_reg.h>
320 +#include <linux/interrupt.h>
321 #include <linux/ssb/ssb.h>
322 +#include <asm/addrspace.h>
323 +#include <asm/io.h>
324 #include <asm/time.h>
325 -#include <bcm47xx.h>
326 +
327 +extern struct ssb_bus ssb_bcm47xx;
328
329 void __init plat_time_init(void)
330 {
331 --- a/arch/mips/bcm47xx/nvram.c
332 +++ b/arch/mips/bcm47xx/nvram.c
333 @@ -24,10 +24,10 @@
334 #include <asm/io.h>
335 #include <asm/uaccess.h>
336
337 -#include <nvram.h>
338 +#include "include/nvram.h"
339
340 #define MB * 1048576
341 -extern struct ssb_bus ssb;
342 +extern struct ssb_bus ssb_bcm47xx;
343
344 static char nvram_buf[NVRAM_SPACE];
345 static int cfe_env;
346 @@ -36,7 +36,7 @@ extern char *cfe_env_get(char *nv_buf, c
347 /* Probe for NVRAM header */
348 static void __init early_nvram_init(void)
349 {
350 - struct ssb_mipscore *mcore = &ssb.mipscore;
351 + struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore;
352 struct nvram_header *header;
353 int i;
354 u32 base, lim, off;
355 --- a/arch/mips/bcm47xx/Makefile
356 +++ b/arch/mips/bcm47xx/Makefile
357 @@ -3,4 +3,4 @@
358 # under Linux.
359 #
360
361 -obj-y := gpio.o irq.o prom.o serial.o setup.o time.o wgt634u.o
362 +obj-y := cfe_env.o gpio.o irq.o nvram.o prom.o serial.o setup.o time.o wgt634u.o
363 --- a/arch/mips/Kconfig
364 +++ b/arch/mips/Kconfig
365 @@ -54,6 +54,7 @@ config BCM47XX
366 select SSB_DRIVER_MIPS
367 select SSB_DRIVER_EXTIF
368 select SSB_DRIVER_PCICORE
369 + select SSB_B43_PCI_BRIDGE
370 select SSB_PCICORE_HOSTMODE if PCI
371 select GENERIC_GPIO
372 select SYS_HAS_EARLY_PRINTK
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