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 <asm/addrspace.h>
17 #include <bcm63xx_board.h>
18 #include <bcm63xx_cpu.h>
19 #include <bcm63xx_regs.h>
20 #include <bcm63xx_io.h>
21 #include <bcm63xx_board.h>
22 #include <bcm63xx_dev_pci.h>
23 #include <bcm63xx_dev_uart.h>
24 #include <bcm63xx_dev_wdt.h>
25 #include <bcm63xx_dev_enet.h>
26 #include <bcm63xx_dev_pcmcia.h>
27 #include <bcm63xx_dev_usb_ohci.h>
28 #include <bcm63xx_dev_usb_ehci.h>
29 #include <board_bcm963xx.h>
31 #define PFX "board_bcm963xx: "
33 static struct bcm963xx_nvram nvram;
34 static unsigned int mac_addr_used = 0;
35 static struct board_info board;
41 #ifdef CONFIG_BCM63XX_CPU_6338
42 static struct board_info __initdata board_96338gw = {
44 .expected_cpu_id = 0x6338,
49 .use_internal_phy = 1,
59 #ifdef CONFIG_BCM63XX_CPU_6348
60 static struct board_info __initdata board_96348r = {
62 .expected_cpu_id = 0x6348,
69 .use_internal_phy = 1,
73 static struct board_info __initdata board_96348gw_10 = {
75 .expected_cpu_id = 0x6348,
83 .use_internal_phy = 1,
87 .force_duplex_full = 1,
95 static struct board_info __initdata board_96348gw_11 = {
97 .expected_cpu_id = 0x6348,
105 .use_internal_phy = 1,
109 .force_speed_100 = 1,
110 .force_duplex_full = 1,
119 static struct board_info __initdata board_96348gw = {
121 .expected_cpu_id = 0x6348,
129 .use_internal_phy = 1,
132 .force_speed_100 = 1,
133 .force_duplex_full = 1,
139 static struct board_info __initdata board_FAST2404 = {
141 .expected_cpu_id = 0x6348,
149 .use_internal_phy = 1,
153 .force_speed_100 = 1,
154 .force_duplex_full = 1,
163 static struct board_info __initdata board_DV201AMR = {
165 .expected_cpu_id = 0x6348,
173 .use_internal_phy = 1,
177 .force_speed_100 = 1,
178 .force_duplex_full = 1,
187 static struct board_info __initdata board_96348gw_a = {
189 .expected_cpu_id = 0x6348,
197 .use_internal_phy = 1,
200 .force_speed_100 = 1,
201 .force_duplex_full = 1,
213 #ifdef CONFIG_BCM63XX_CPU_6358
214 static struct board_info __initdata board_96358vw = {
216 .expected_cpu_id = 0x6358,
224 .use_internal_phy = 1,
228 .force_speed_100 = 1,
229 .force_duplex_full = 1,
238 static struct board_info __initdata board_96358vw2 = {
240 .expected_cpu_id = 0x6358,
248 .use_internal_phy = 1,
252 .force_speed_100 = 1,
253 .force_duplex_full = 1,
266 static const struct board_info __initdata *bcm963xx_boards[] = {
267 #ifdef CONFIG_BCM63XX_CPU_6338
270 #ifdef CONFIG_BCM63XX_CPU_6348
280 #ifdef CONFIG_BCM63XX_CPU_6358
287 * early init callback, read nvram data from flash and checksum it
289 void __init board_prom_init(void)
291 unsigned int check_len, i;
292 u8 *boot_addr, *cfe, *p;
293 char cfe_version[32];
296 /* read base address of boot chip select (0) */
297 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
298 val &= MPI_CSBASE_BASE_MASK;
299 boot_addr = (u8 *)KSEG1ADDR(val);
301 /* dump cfe version */
302 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
303 if (!memcmp(cfe, "cfe-v", 5))
304 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
305 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
307 strcpy(cfe_version, "unknown");
308 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
310 /* extract nvram data */
311 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
313 /* check checksum before using data */
314 if (nvram.version <= 4)
315 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
317 check_len = sizeof(nvram);
323 printk(KERN_ERR PFX "invalid nvram checksum\n");
327 /* find board by name */
328 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
329 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
332 /* copy, board desc array is marked initdata */
333 memcpy(&board, bcm963xx_boards[i], sizeof(board));
337 /* bail out if board is not found, will complain later */
338 if (!board.name[0]) {
340 memcpy(name, nvram.name, 16);
342 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
347 /* setup pin multiplexing depending on board enabled device,
348 * this has to be done this early since PCI init is done
349 * inside arch_initcall */
353 bcm63xx_pci_enabled = 1;
354 if (BCMCPU_IS_6348())
355 val |= GPIO_MODE_6348_G2_PCI;
358 if (board.has_pccard) {
359 if (BCMCPU_IS_6348())
360 val |= GPIO_MODE_6348_G1_MII_PCCARD;
363 if (board.has_enet0 && !board.enet0.use_internal_phy) {
364 if (BCMCPU_IS_6348())
365 val |= GPIO_MODE_6348_G3_EXT_MII |
366 GPIO_MODE_6348_G0_EXT_MII;
369 if (board.has_enet1 && !board.enet1.use_internal_phy) {
370 if (BCMCPU_IS_6348())
371 val |= GPIO_MODE_6348_G3_EXT_MII |
372 GPIO_MODE_6348_G0_EXT_MII;
375 bcm_gpio_writel(val, GPIO_MODE_REG);
379 * second stage init callback, good time to panic if we couldn't
380 * identify on which board we're running since early printk is working
382 void __init board_setup(void)
385 panic("unable to detect bcm963xx board");
386 printk(KERN_INFO PFX "board name: %s\n", board.name);
388 /* make sure we're running on expected cpu */
389 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
390 panic("unexpected CPU for bcm963xx board");
394 * return board name for /proc/cpuinfo
396 const char *board_get_name(void)
402 * register & return a new board mac address
404 static int board_get_mac_address(u8 *mac)
409 if (mac_addr_used >= nvram.mac_addr_count) {
410 printk(KERN_ERR PFX "not enough mac address\n");
414 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
415 p = mac + ETH_ALEN - 1;
416 count = mac_addr_used;
428 printk(KERN_ERR PFX "unable to fetch mac address\n");
436 static struct resource mtd_resources[] = {
438 .start = 0, /* filled at runtime */
439 .end = 0, /* filled at runtime */
440 .flags = IORESOURCE_MEM,
444 static struct platform_device mtd_dev = {
445 .name = "bcm963xx-flash",
446 .resource = mtd_resources,
447 .num_resources = ARRAY_SIZE(mtd_resources),
451 * third stage init callback, register all board devices.
453 int __init board_register_devices(void)
457 bcm63xx_uart_register();
458 bcm63xx_wdt_register();
460 if (board.has_pccard)
461 bcm63xx_pcmcia_register();
463 if (board.has_enet0 &&
464 !board_get_mac_address(board.enet0.mac_addr))
465 bcm63xx_enet_register(0, &board.enet0);
467 if (board.has_enet1 &&
468 !board_get_mac_address(board.enet1.mac_addr))
469 bcm63xx_enet_register(1, &board.enet1);
472 bcm63xx_ohci_register();
475 bcm63xx_ehci_register();
478 /* read base address of boot chip select (0) */
479 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
480 val &= MPI_CSBASE_BASE_MASK;
481 mtd_resources[0].start = val;
482 mtd_resources[0].end = 0x1FFFFFFF;
484 platform_device_register(&mtd_dev);