2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
9 #include <linux/init.h>
10 #include <linux/kernel.h>
11 #include <linux/string.h>
12 #include <linux/platform_device.h>
13 #include <linux/mtd/mtd.h>
14 #include <linux/mtd/partitions.h>
15 #include <linux/mtd/physmap.h>
16 #include <linux/ssb/ssb.h>
17 #include <asm/addrspace.h>
18 #include <bcm63xx_board.h>
19 #include <bcm63xx_cpu.h>
20 #include <bcm63xx_regs.h>
21 #include <bcm63xx_io.h>
22 #include <bcm63xx_board.h>
23 #include <bcm63xx_dev_pci.h>
24 #include <bcm63xx_dev_uart.h>
25 #include <bcm63xx_dev_wdt.h>
26 #include <bcm63xx_dev_enet.h>
27 #include <bcm63xx_dev_pcmcia.h>
28 #include <bcm63xx_dev_usb_ohci.h>
29 #include <bcm63xx_dev_usb_ehci.h>
30 #include <bcm63xx_dev_usb_udc.h>
31 #include <bcm63xx_dev_spi.h>
32 #include <board_bcm963xx.h>
34 #define PFX "board_bcm963xx: "
36 static struct bcm963xx_nvram nvram
;
37 static unsigned int mac_addr_used
= 0;
38 static struct board_info board
;
44 #ifdef CONFIG_BCM63XX_CPU_6338
45 static struct board_info __initdata board_96338gw
= {
47 .expected_cpu_id
= 0x6338,
52 .use_internal_phy
= 1,
58 static struct board_info __initdata board_96338w
= {
60 .expected_cpu_id
= 0x6338,
69 #ifdef CONFIG_BCM63XX_CPU_6348
70 static struct board_info __initdata board_96348r
= {
72 .expected_cpu_id
= 0x6348,
79 .use_internal_phy
= 1,
83 static struct board_info __initdata board_96348gw_10
= {
85 .expected_cpu_id
= 0x6348,
93 .use_internal_phy
= 1,
97 .force_duplex_full
= 1,
105 static struct board_info __initdata board_96348gw_11
= {
106 .name
= "96348GW-11",
107 .expected_cpu_id
= 0x6348,
115 .use_internal_phy
= 1,
119 .force_speed_100
= 1,
120 .force_duplex_full
= 1,
129 static struct board_info __initdata board_96348gw
= {
131 .expected_cpu_id
= 0x6348,
139 .use_internal_phy
= 1,
142 .force_speed_100
= 1,
143 .force_duplex_full
= 1,
149 static struct board_info __initdata board_FAST2404
= {
151 .expected_cpu_id
= 0x6348,
159 .use_internal_phy
= 1,
163 .force_speed_100
= 1,
164 .force_duplex_full
= 1,
173 static struct board_info __initdata board_DV201AMR
= {
175 .expected_cpu_id
= 0x6348,
185 .use_internal_phy
= 1,
188 .force_speed_100
= 1,
189 .force_duplex_full
= 1,
193 static struct board_info __initdata board_96348gw_a
= {
195 .expected_cpu_id
= 0x6348,
203 .use_internal_phy
= 1,
206 .force_speed_100
= 1,
207 .force_duplex_full
= 1,
219 #ifdef CONFIG_BCM63XX_CPU_6358
220 static struct board_info __initdata board_96358vw
= {
222 .expected_cpu_id
= 0x6358,
230 .use_internal_phy
= 1,
234 .force_speed_100
= 1,
235 .force_duplex_full
= 1,
244 static struct board_info __initdata board_96358vw2
= {
246 .expected_cpu_id
= 0x6358,
254 .use_internal_phy
= 1,
258 .force_speed_100
= 1,
259 .force_duplex_full
= 1,
268 static struct board_info __initdata board_AGPFS0
= {
270 .expected_cpu_id
= 0x6358,
278 .use_internal_phy
= 1,
282 .force_speed_100
= 1,
283 .force_duplex_full
= 1,
294 static const struct board_info __initdata
*bcm963xx_boards
[] = {
295 #ifdef CONFIG_BCM63XX_CPU_6338
299 #ifdef CONFIG_BCM63XX_CPU_6348
309 #ifdef CONFIG_BCM63XX_CPU_6358
317 * early init callback, read nvram data from flash and checksum it
319 void __init
board_prom_init(void)
321 unsigned int check_len
, i
;
322 u8
*boot_addr
, *cfe
, *p
;
323 char cfe_version
[32];
326 /* read base address of boot chip select (0)
327 * 6338/6345 does not have MPI but boots from standard
328 * MIPS Flash address */
329 if (BCMCPU_IS_6338() || BCMCPU_IS_6345())
332 val
= bcm_mpi_readl(MPI_CSBASE_REG(0));
333 val
&= MPI_CSBASE_BASE_MASK
;
335 boot_addr
= (u8
*)KSEG1ADDR(val
);
337 /* dump cfe version */
338 cfe
= boot_addr
+ BCM963XX_CFE_VERSION_OFFSET
;
339 if (!memcmp(cfe
, "cfe-v", 5))
340 snprintf(cfe_version
, sizeof(cfe_version
), "%u.%u.%u-%u.%u",
341 cfe
[5], cfe
[6], cfe
[7], cfe
[8], cfe
[9]);
343 strcpy(cfe_version
, "unknown");
344 printk(KERN_INFO PFX
"CFE version: %s\n", cfe_version
);
346 /* extract nvram data */
347 memcpy(&nvram
, boot_addr
+ BCM963XX_NVRAM_OFFSET
, sizeof(nvram
));
349 /* check checksum before using data */
350 if (nvram
.version
<= 4)
351 check_len
= offsetof(struct bcm963xx_nvram
, checksum_old
);
353 check_len
= sizeof(nvram
);
359 printk(KERN_ERR PFX
"invalid nvram checksum\n");
363 /* find board by name */
364 for (i
= 0; i
< ARRAY_SIZE(bcm963xx_boards
); i
++) {
365 if (strncmp(nvram
.name
, bcm963xx_boards
[i
]->name
,
368 /* copy, board desc array is marked initdata */
369 memcpy(&board
, bcm963xx_boards
[i
], sizeof(board
));
373 /* bail out if board is not found, will complain later */
374 if (!board
.name
[0]) {
376 memcpy(name
, nvram
.name
, 16);
378 printk(KERN_ERR PFX
"unknown bcm963xx board: %s\n",
383 /* setup pin multiplexing depending on board enabled device,
384 * this has to be done this early since PCI init is done
385 * inside arch_initcall */
389 bcm63xx_pci_enabled
= 1;
390 if (BCMCPU_IS_6348())
391 val
|= GPIO_MODE_6348_G2_PCI
;
394 if (board
.has_pccard
) {
395 if (BCMCPU_IS_6348())
396 val
|= GPIO_MODE_6348_G1_MII_PCCARD
;
399 if (board
.has_enet0
&& !board
.enet0
.use_internal_phy
) {
400 if (BCMCPU_IS_6348())
401 val
|= GPIO_MODE_6348_G3_EXT_MII
|
402 GPIO_MODE_6348_G0_EXT_MII
;
405 if (board
.has_enet1
&& !board
.enet1
.use_internal_phy
) {
406 if (BCMCPU_IS_6348())
407 val
|= GPIO_MODE_6348_G3_EXT_MII
|
408 GPIO_MODE_6348_G0_EXT_MII
;
411 bcm_gpio_writel(val
, GPIO_MODE_REG
);
415 * second stage init callback, good time to panic if we couldn't
416 * identify on which board we're running since early printk is working
418 void __init
board_setup(void)
421 panic("unable to detect bcm963xx board");
422 printk(KERN_INFO PFX
"board name: %s\n", board
.name
);
424 /* make sure we're running on expected cpu */
425 if (bcm63xx_get_cpu_id() != board
.expected_cpu_id
)
426 panic("unexpected CPU for bcm963xx board");
430 * return board name for /proc/cpuinfo
432 const char *board_get_name(void)
438 * register & return a new board mac address
440 static int board_get_mac_address(u8
*mac
)
445 if (mac_addr_used
>= nvram
.mac_addr_count
) {
446 printk(KERN_ERR PFX
"not enough mac address\n");
450 memcpy(mac
, nvram
.mac_addr_base
, ETH_ALEN
);
451 p
= mac
+ ETH_ALEN
- 1;
452 count
= mac_addr_used
;
464 printk(KERN_ERR PFX
"unable to fetch mac address\n");
472 static struct resource mtd_resources
[] = {
474 .start
= 0, /* filled at runtime */
475 .end
= 0, /* filled at runtime */
476 .flags
= IORESOURCE_MEM
,
480 static struct platform_device mtd_dev
= {
481 .name
= "bcm963xx-flash",
482 .resource
= mtd_resources
,
483 .num_resources
= ARRAY_SIZE(mtd_resources
),
487 * Register a sane SPROMv2 to make the on-board
490 static struct ssb_sprom bcm63xx_sprom
= {
494 .ant_available_bg
= 0x3,
507 .boardflags_lo
= 0x2848,
508 .boardflags_hi
= 0x0000,
511 static struct resource gpiodev_resource
= {
516 * third stage init callback, register all board devices.
518 int __init
board_register_devices(void)
522 bcm63xx_uart_register();
523 bcm63xx_wdt_register();
524 bcm63xx_spi_register();
526 if (board
.has_pccard
)
527 bcm63xx_pcmcia_register();
529 if (board
.has_enet0
&&
530 !board_get_mac_address(board
.enet0
.mac_addr
))
531 bcm63xx_enet_register(0, &board
.enet0
);
533 if (board
.has_enet1
&&
534 !board_get_mac_address(board
.enet1
.mac_addr
))
535 bcm63xx_enet_register(1, &board
.enet1
);
538 bcm63xx_ohci_register();
541 bcm63xx_ehci_register();
544 bcm63xx_udc_register();
545 /* Generate MAC address for WLAN and
546 * register our SPROM */
548 if (!board_get_mac_address(bcm63xx_sprom
.il0mac
)) {
549 memcpy(bcm63xx_sprom
.et0mac
, bcm63xx_sprom
.il0mac
, ETH_ALEN
);
550 memcpy(bcm63xx_sprom
.et1mac
, bcm63xx_sprom
.il0mac
, ETH_ALEN
);
551 if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom
) < 0)
552 printk(KERN_ERR
"failed to register fallback SPROM\n");
556 /* read base address of boot chip select (0) */
557 if (BCMCPU_IS_6338() || BCMCPU_IS_6345())
560 val
= bcm_mpi_readl(MPI_CSBASE_REG(0));
561 val
&= MPI_CSBASE_BASE_MASK
;
563 mtd_resources
[0].start
= val
;
564 mtd_resources
[0].end
= 0x1FFFFFFF;
566 platform_device_register(&mtd_dev
);
568 /* Register GPIODEV */
569 platform_device_register_simple("GPIODEV", 0, &gpiodev_resource
, 1);