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_spi.h>
31 #include <board_bcm963xx.h>
33 #define PFX "board_bcm963xx: "
35 static struct bcm963xx_nvram nvram
;
36 static unsigned int mac_addr_used
= 0;
37 static struct board_info board
;
43 #ifdef CONFIG_BCM63XX_CPU_6338
44 static struct board_info __initdata board_96338gw
= {
46 .expected_cpu_id
= 0x6338,
51 .use_internal_phy
= 1,
61 #ifdef CONFIG_BCM63XX_CPU_6348
62 static struct board_info __initdata board_96348r
= {
64 .expected_cpu_id
= 0x6348,
71 .use_internal_phy
= 1,
75 static struct board_info __initdata board_96348gw_10
= {
77 .expected_cpu_id
= 0x6348,
85 .use_internal_phy
= 1,
89 .force_duplex_full
= 1,
97 static struct board_info __initdata board_96348gw_11
= {
99 .expected_cpu_id
= 0x6348,
107 .use_internal_phy
= 1,
111 .force_speed_100
= 1,
112 .force_duplex_full
= 1,
121 static struct board_info __initdata board_96348gw
= {
123 .expected_cpu_id
= 0x6348,
131 .use_internal_phy
= 1,
134 .force_speed_100
= 1,
135 .force_duplex_full
= 1,
141 static struct board_info __initdata board_FAST2404
= {
143 .expected_cpu_id
= 0x6348,
151 .use_internal_phy
= 1,
155 .force_speed_100
= 1,
156 .force_duplex_full
= 1,
165 static struct board_info __initdata board_DV201AMR
= {
167 .expected_cpu_id
= 0x6348,
175 .use_internal_phy
= 1,
179 .force_speed_100
= 1,
180 .force_duplex_full
= 1,
189 static struct board_info __initdata board_96348gw_a
= {
191 .expected_cpu_id
= 0x6348,
199 .use_internal_phy
= 1,
202 .force_speed_100
= 1,
203 .force_duplex_full
= 1,
215 #ifdef CONFIG_BCM63XX_CPU_6358
216 static struct board_info __initdata board_96358vw
= {
218 .expected_cpu_id
= 0x6358,
226 .use_internal_phy
= 1,
230 .force_speed_100
= 1,
231 .force_duplex_full
= 1,
240 static struct board_info __initdata board_96358vw2
= {
242 .expected_cpu_id
= 0x6358,
250 .use_internal_phy
= 1,
254 .force_speed_100
= 1,
255 .force_duplex_full
= 1,
268 static const struct board_info __initdata
*bcm963xx_boards
[] = {
269 #ifdef CONFIG_BCM63XX_CPU_6338
272 #ifdef CONFIG_BCM63XX_CPU_6348
282 #ifdef CONFIG_BCM63XX_CPU_6358
289 * early init callback, read nvram data from flash and checksum it
291 void __init
board_prom_init(void)
293 unsigned int check_len
, i
;
294 u8
*boot_addr
, *cfe
, *p
;
295 char cfe_version
[32];
298 /* read base address of boot chip select (0) */
299 val
= bcm_mpi_readl(MPI_CSBASE_REG(0));
300 val
&= MPI_CSBASE_BASE_MASK
;
301 boot_addr
= (u8
*)KSEG1ADDR(val
);
303 /* dump cfe version */
304 cfe
= boot_addr
+ BCM963XX_CFE_VERSION_OFFSET
;
305 if (!memcmp(cfe
, "cfe-v", 5))
306 snprintf(cfe_version
, sizeof(cfe_version
), "%u.%u.%u-%u.%u",
307 cfe
[5], cfe
[6], cfe
[7], cfe
[8], cfe
[9]);
309 strcpy(cfe_version
, "unknown");
310 printk(KERN_INFO PFX
"CFE version: %s\n", cfe_version
);
312 /* extract nvram data */
313 memcpy(&nvram
, boot_addr
+ BCM963XX_NVRAM_OFFSET
, sizeof(nvram
));
315 /* check checksum before using data */
316 if (nvram
.version
<= 4)
317 check_len
= offsetof(struct bcm963xx_nvram
, checksum_old
);
319 check_len
= sizeof(nvram
);
325 printk(KERN_ERR PFX
"invalid nvram checksum\n");
329 /* find board by name */
330 for (i
= 0; i
< ARRAY_SIZE(bcm963xx_boards
); i
++) {
331 if (strncmp(nvram
.name
, bcm963xx_boards
[i
]->name
,
334 /* copy, board desc array is marked initdata */
335 memcpy(&board
, bcm963xx_boards
[i
], sizeof(board
));
339 /* bail out if board is not found, will complain later */
340 if (!board
.name
[0]) {
342 memcpy(name
, nvram
.name
, 16);
344 printk(KERN_ERR PFX
"unknown bcm963xx board: %s\n",
349 /* setup pin multiplexing depending on board enabled device,
350 * this has to be done this early since PCI init is done
351 * inside arch_initcall */
355 bcm63xx_pci_enabled
= 1;
356 if (BCMCPU_IS_6348())
357 val
|= GPIO_MODE_6348_G2_PCI
;
360 if (board
.has_pccard
) {
361 if (BCMCPU_IS_6348())
362 val
|= GPIO_MODE_6348_G1_MII_PCCARD
;
365 if (board
.has_enet0
&& !board
.enet0
.use_internal_phy
) {
366 if (BCMCPU_IS_6348())
367 val
|= GPIO_MODE_6348_G3_EXT_MII
|
368 GPIO_MODE_6348_G0_EXT_MII
;
371 if (board
.has_enet1
&& !board
.enet1
.use_internal_phy
) {
372 if (BCMCPU_IS_6348())
373 val
|= GPIO_MODE_6348_G3_EXT_MII
|
374 GPIO_MODE_6348_G0_EXT_MII
;
377 bcm_gpio_writel(val
, GPIO_MODE_REG
);
381 * second stage init callback, good time to panic if we couldn't
382 * identify on which board we're running since early printk is working
384 void __init
board_setup(void)
387 panic("unable to detect bcm963xx board");
388 printk(KERN_INFO PFX
"board name: %s\n", board
.name
);
390 /* make sure we're running on expected cpu */
391 if (bcm63xx_get_cpu_id() != board
.expected_cpu_id
)
392 panic("unexpected CPU for bcm963xx board");
396 * return board name for /proc/cpuinfo
398 const char *board_get_name(void)
404 * register & return a new board mac address
406 static int board_get_mac_address(u8
*mac
)
411 if (mac_addr_used
>= nvram
.mac_addr_count
) {
412 printk(KERN_ERR PFX
"not enough mac address\n");
416 memcpy(mac
, nvram
.mac_addr_base
, ETH_ALEN
);
417 p
= mac
+ ETH_ALEN
- 1;
418 count
= mac_addr_used
;
430 printk(KERN_ERR PFX
"unable to fetch mac address\n");
438 static struct resource mtd_resources
[] = {
440 .start
= 0, /* filled at runtime */
441 .end
= 0, /* filled at runtime */
442 .flags
= IORESOURCE_MEM
,
446 static struct platform_device mtd_dev
= {
447 .name
= "bcm963xx-flash",
448 .resource
= mtd_resources
,
449 .num_resources
= ARRAY_SIZE(mtd_resources
),
453 * Register a sane SPROMv2 to make the on-board
456 static struct ssb_sprom bcm63xx_sprom
= {
460 .ant_available_bg
= 0x3,
473 .boardflags_lo
= 0x2848,
474 .boardflags_hi
= 0x0000,
478 * third stage init callback, register all board devices.
480 int __init
board_register_devices(void)
484 bcm63xx_uart_register();
485 bcm63xx_wdt_register();
486 bcm63xx_spi_register();
488 if (board
.has_pccard
)
489 bcm63xx_pcmcia_register();
491 if (board
.has_enet0
&&
492 !board_get_mac_address(board
.enet0
.mac_addr
))
493 bcm63xx_enet_register(0, &board
.enet0
);
495 if (board
.has_enet1
&&
496 !board_get_mac_address(board
.enet1
.mac_addr
))
497 bcm63xx_enet_register(1, &board
.enet1
);
500 bcm63xx_ohci_register();
503 bcm63xx_ehci_register();
505 /* Generate MAC address for WLAN and
506 * register our SPROM */
507 if (!board_get_mac_address(bcm63xx_sprom
.il0mac
)) {
508 memcpy(bcm63xx_sprom
.et0mac
, bcm63xx_sprom
.il0mac
, ETH_ALEN
);
509 memcpy(bcm63xx_sprom
.et1mac
, bcm63xx_sprom
.il0mac
, ETH_ALEN
);
510 if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom
) < 0)
511 printk(KERN_ERR
"failed to register fallback SPROM\n");
514 /* read base address of boot chip select (0) */
515 val
= bcm_mpi_readl(MPI_CSBASE_REG(0));
516 val
&= MPI_CSBASE_BASE_MASK
;
517 mtd_resources
[0].start
= val
;
518 mtd_resources
[0].end
= 0x1FFFFFFF;
520 platform_device_register(&mtd_dev
);