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 <board_bcm963xx.h>
32 #define PFX "board_bcm963xx: "
34 static struct bcm963xx_nvram nvram;
35 static unsigned int mac_addr_used = 0;
36 static struct board_info board;
42 #ifdef CONFIG_BCM63XX_CPU_6338
43 static struct board_info __initdata board_96338gw = {
45 .expected_cpu_id = 0x6338,
50 .use_internal_phy = 1,
60 #ifdef CONFIG_BCM63XX_CPU_6348
61 static struct board_info __initdata board_96348r = {
63 .expected_cpu_id = 0x6348,
70 .use_internal_phy = 1,
74 static struct board_info __initdata board_96348gw_10 = {
76 .expected_cpu_id = 0x6348,
84 .use_internal_phy = 1,
88 .force_duplex_full = 1,
96 static struct board_info __initdata board_96348gw_11 = {
98 .expected_cpu_id = 0x6348,
106 .use_internal_phy = 1,
110 .force_speed_100 = 1,
111 .force_duplex_full = 1,
120 static struct board_info __initdata board_96348gw = {
122 .expected_cpu_id = 0x6348,
130 .use_internal_phy = 1,
133 .force_speed_100 = 1,
134 .force_duplex_full = 1,
140 static struct board_info __initdata board_FAST2404 = {
142 .expected_cpu_id = 0x6348,
150 .use_internal_phy = 1,
154 .force_speed_100 = 1,
155 .force_duplex_full = 1,
164 static struct board_info __initdata board_DV201AMR = {
166 .expected_cpu_id = 0x6348,
174 .use_internal_phy = 1,
178 .force_speed_100 = 1,
179 .force_duplex_full = 1,
188 static struct board_info __initdata board_96348gw_a = {
190 .expected_cpu_id = 0x6348,
198 .use_internal_phy = 1,
201 .force_speed_100 = 1,
202 .force_duplex_full = 1,
214 #ifdef CONFIG_BCM63XX_CPU_6358
215 static struct board_info __initdata board_96358vw = {
217 .expected_cpu_id = 0x6358,
225 .use_internal_phy = 1,
229 .force_speed_100 = 1,
230 .force_duplex_full = 1,
239 static struct board_info __initdata board_96358vw2 = {
241 .expected_cpu_id = 0x6358,
249 .use_internal_phy = 1,
253 .force_speed_100 = 1,
254 .force_duplex_full = 1,
267 static const struct board_info __initdata *bcm963xx_boards[] = {
268 #ifdef CONFIG_BCM63XX_CPU_6338
271 #ifdef CONFIG_BCM63XX_CPU_6348
281 #ifdef CONFIG_BCM63XX_CPU_6358
288 * early init callback, read nvram data from flash and checksum it
290 void __init board_prom_init(void)
292 unsigned int check_len, i;
293 u8 *boot_addr, *cfe, *p;
294 char cfe_version[32];
297 /* read base address of boot chip select (0) */
298 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
299 val &= MPI_CSBASE_BASE_MASK;
300 boot_addr = (u8 *)KSEG1ADDR(val);
302 /* dump cfe version */
303 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
304 if (!memcmp(cfe, "cfe-v", 5))
305 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
306 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
308 strcpy(cfe_version, "unknown");
309 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
311 /* extract nvram data */
312 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
314 /* check checksum before using data */
315 if (nvram.version <= 4)
316 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
318 check_len = sizeof(nvram);
324 printk(KERN_ERR PFX "invalid nvram checksum\n");
328 /* find board by name */
329 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
330 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
333 /* copy, board desc array is marked initdata */
334 memcpy(&board, bcm963xx_boards[i], sizeof(board));
338 /* bail out if board is not found, will complain later */
339 if (!board.name[0]) {
341 memcpy(name, nvram.name, 16);
343 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
348 /* setup pin multiplexing depending on board enabled device,
349 * this has to be done this early since PCI init is done
350 * inside arch_initcall */
354 bcm63xx_pci_enabled = 1;
355 if (BCMCPU_IS_6348())
356 val |= GPIO_MODE_6348_G2_PCI;
359 if (board.has_pccard) {
360 if (BCMCPU_IS_6348())
361 val |= GPIO_MODE_6348_G1_MII_PCCARD;
364 if (board.has_enet0 && !board.enet0.use_internal_phy) {
365 if (BCMCPU_IS_6348())
366 val |= GPIO_MODE_6348_G3_EXT_MII |
367 GPIO_MODE_6348_G0_EXT_MII;
370 if (board.has_enet1 && !board.enet1.use_internal_phy) {
371 if (BCMCPU_IS_6348())
372 val |= GPIO_MODE_6348_G3_EXT_MII |
373 GPIO_MODE_6348_G0_EXT_MII;
376 bcm_gpio_writel(val, GPIO_MODE_REG);
380 * second stage init callback, good time to panic if we couldn't
381 * identify on which board we're running since early printk is working
383 void __init board_setup(void)
386 panic("unable to detect bcm963xx board");
387 printk(KERN_INFO PFX "board name: %s\n", board.name);
389 /* make sure we're running on expected cpu */
390 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
391 panic("unexpected CPU for bcm963xx board");
395 * return board name for /proc/cpuinfo
397 const char *board_get_name(void)
403 * register & return a new board mac address
405 static int board_get_mac_address(u8 *mac)
410 if (mac_addr_used >= nvram.mac_addr_count) {
411 printk(KERN_ERR PFX "not enough mac address\n");
415 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
416 p = mac + ETH_ALEN - 1;
417 count = mac_addr_used;
429 printk(KERN_ERR PFX "unable to fetch mac address\n");
437 static struct resource mtd_resources[] = {
439 .start = 0, /* filled at runtime */
440 .end = 0, /* filled at runtime */
441 .flags = IORESOURCE_MEM,
445 static struct platform_device mtd_dev = {
446 .name = "bcm963xx-flash",
447 .resource = mtd_resources,
448 .num_resources = ARRAY_SIZE(mtd_resources),
452 * Register a sane SPROMv2 to make the on-board
455 static struct ssb_sprom bcm63xx_sprom = {
459 .ant_available_bg = 0x3,
472 .boardflags_lo = 0x2848,
473 .boardflags_hi = 0x0000,
477 * third stage init callback, register all board devices.
479 int __init board_register_devices(void)
483 bcm63xx_uart_register();
484 bcm63xx_wdt_register();
486 if (board.has_pccard)
487 bcm63xx_pcmcia_register();
489 if (board.has_enet0 &&
490 !board_get_mac_address(board.enet0.mac_addr))
491 bcm63xx_enet_register(0, &board.enet0);
493 if (board.has_enet1 &&
494 !board_get_mac_address(board.enet1.mac_addr))
495 bcm63xx_enet_register(1, &board.enet1);
498 bcm63xx_ohci_register();
501 bcm63xx_ehci_register();
503 /* Generate MAC address for WLAN and
504 * register our SPROM */
505 if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
506 memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
507 memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
508 if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
509 printk(KERN_ERR "failed to register fallback SPROM\n");
512 /* read base address of boot chip select (0) */
513 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
514 val &= MPI_CSBASE_BASE_MASK;
515 mtd_resources[0].start = val;
516 mtd_resources[0].end = 0x1FFFFFFF;
518 platform_device_register(&mtd_dev);