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,
62 #ifdef CONFIG_BCM63XX_CPU_6348
63 static struct board_info __initdata board_96348r = {
65 .expected_cpu_id = 0x6348,
72 .use_internal_phy = 1,
76 static struct board_info __initdata board_96348gw_10 = {
78 .expected_cpu_id = 0x6348,
86 .use_internal_phy = 1,
90 .force_duplex_full = 1,
98 static struct board_info __initdata board_96348gw_11 = {
100 .expected_cpu_id = 0x6348,
108 .use_internal_phy = 1,
112 .force_speed_100 = 1,
113 .force_duplex_full = 1,
122 static struct board_info __initdata board_96348gw = {
124 .expected_cpu_id = 0x6348,
132 .use_internal_phy = 1,
135 .force_speed_100 = 1,
136 .force_duplex_full = 1,
142 static struct board_info __initdata board_FAST2404 = {
144 .expected_cpu_id = 0x6348,
152 .use_internal_phy = 1,
156 .force_speed_100 = 1,
157 .force_duplex_full = 1,
166 static struct board_info __initdata board_DV201AMR = {
168 .expected_cpu_id = 0x6348,
178 .use_internal_phy = 1,
181 .force_speed_100 = 1,
182 .force_duplex_full = 1,
186 static struct board_info __initdata board_96348gw_a = {
188 .expected_cpu_id = 0x6348,
196 .use_internal_phy = 1,
199 .force_speed_100 = 1,
200 .force_duplex_full = 1,
212 #ifdef CONFIG_BCM63XX_CPU_6358
213 static struct board_info __initdata board_96358vw = {
215 .expected_cpu_id = 0x6358,
223 .use_internal_phy = 1,
227 .force_speed_100 = 1,
228 .force_duplex_full = 1,
237 static struct board_info __initdata board_96358vw2 = {
239 .expected_cpu_id = 0x6358,
247 .use_internal_phy = 1,
251 .force_speed_100 = 1,
252 .force_duplex_full = 1,
261 static struct board_info __initdata board_AGPFS0 = {
263 .expected_cpu_id = 0x6358,
271 .use_internal_phy = 1,
275 .force_speed_100 = 1,
276 .force_duplex_full = 1,
287 static const struct board_info __initdata *bcm963xx_boards[] = {
288 #ifdef CONFIG_BCM63XX_CPU_6338
291 #ifdef CONFIG_BCM63XX_CPU_6348
301 #ifdef CONFIG_BCM63XX_CPU_6358
309 * early init callback, read nvram data from flash and checksum it
311 void __init board_prom_init(void)
313 unsigned int check_len, i;
314 u8 *boot_addr, *cfe, *p;
315 char cfe_version[32];
318 /* read base address of boot chip select (0) */
319 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
320 val &= MPI_CSBASE_BASE_MASK;
321 boot_addr = (u8 *)KSEG1ADDR(val);
323 /* dump cfe version */
324 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
325 if (!memcmp(cfe, "cfe-v", 5))
326 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
327 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
329 strcpy(cfe_version, "unknown");
330 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
332 /* extract nvram data */
333 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
335 /* check checksum before using data */
336 if (nvram.version <= 4)
337 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
339 check_len = sizeof(nvram);
345 printk(KERN_ERR PFX "invalid nvram checksum\n");
349 /* find board by name */
350 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
351 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
354 /* copy, board desc array is marked initdata */
355 memcpy(&board, bcm963xx_boards[i], sizeof(board));
359 /* bail out if board is not found, will complain later */
360 if (!board.name[0]) {
362 memcpy(name, nvram.name, 16);
364 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
369 /* setup pin multiplexing depending on board enabled device,
370 * this has to be done this early since PCI init is done
371 * inside arch_initcall */
375 bcm63xx_pci_enabled = 1;
376 if (BCMCPU_IS_6348())
377 val |= GPIO_MODE_6348_G2_PCI;
380 if (board.has_pccard) {
381 if (BCMCPU_IS_6348())
382 val |= GPIO_MODE_6348_G1_MII_PCCARD;
385 if (board.has_enet0 && !board.enet0.use_internal_phy) {
386 if (BCMCPU_IS_6348())
387 val |= GPIO_MODE_6348_G3_EXT_MII |
388 GPIO_MODE_6348_G0_EXT_MII;
391 if (board.has_enet1 && !board.enet1.use_internal_phy) {
392 if (BCMCPU_IS_6348())
393 val |= GPIO_MODE_6348_G3_EXT_MII |
394 GPIO_MODE_6348_G0_EXT_MII;
397 bcm_gpio_writel(val, GPIO_MODE_REG);
401 * second stage init callback, good time to panic if we couldn't
402 * identify on which board we're running since early printk is working
404 void __init board_setup(void)
407 panic("unable to detect bcm963xx board");
408 printk(KERN_INFO PFX "board name: %s\n", board.name);
410 /* make sure we're running on expected cpu */
411 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
412 panic("unexpected CPU for bcm963xx board");
416 * return board name for /proc/cpuinfo
418 const char *board_get_name(void)
424 * register & return a new board mac address
426 static int board_get_mac_address(u8 *mac)
431 if (mac_addr_used >= nvram.mac_addr_count) {
432 printk(KERN_ERR PFX "not enough mac address\n");
436 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
437 p = mac + ETH_ALEN - 1;
438 count = mac_addr_used;
450 printk(KERN_ERR PFX "unable to fetch mac address\n");
458 static struct resource mtd_resources[] = {
460 .start = 0, /* filled at runtime */
461 .end = 0, /* filled at runtime */
462 .flags = IORESOURCE_MEM,
466 static struct platform_device mtd_dev = {
467 .name = "bcm963xx-flash",
468 .resource = mtd_resources,
469 .num_resources = ARRAY_SIZE(mtd_resources),
473 * Register a sane SPROMv2 to make the on-board
476 static struct ssb_sprom bcm63xx_sprom = {
480 .ant_available_bg = 0x3,
493 .boardflags_lo = 0x2848,
494 .boardflags_hi = 0x0000,
498 * third stage init callback, register all board devices.
500 int __init board_register_devices(void)
504 bcm63xx_uart_register();
505 bcm63xx_wdt_register();
506 bcm63xx_spi_register();
508 if (board.has_pccard)
509 bcm63xx_pcmcia_register();
511 if (board.has_enet0 &&
512 !board_get_mac_address(board.enet0.mac_addr))
513 bcm63xx_enet_register(0, &board.enet0);
515 if (board.has_enet1 &&
516 !board_get_mac_address(board.enet1.mac_addr))
517 bcm63xx_enet_register(1, &board.enet1);
520 bcm63xx_ohci_register();
523 bcm63xx_ehci_register();
526 bcm63xx_udc_register();
527 /* Generate MAC address for WLAN and
528 * register our SPROM */
529 if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
530 memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
531 memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
532 if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
533 printk(KERN_ERR "failed to register fallback SPROM\n");
536 /* read base address of boot chip select (0) */
537 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
538 val &= MPI_CSBASE_BASE_MASK;
539 mtd_resources[0].start = val;
540 mtd_resources[0].end = 0x1FFFFFFF;
542 platform_device_register(&mtd_dev);