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);