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,
192 #ifdef CONFIG_BCM63XX_CPU_6358
193 static struct board_info __initdata board_96358vw = {
195 .expected_cpu_id = 0x6358,
203 .use_internal_phy = 1,
207 .force_speed_100 = 1,
208 .force_duplex_full = 1,
217 static struct board_info __initdata board_96358vw2 = {
219 .expected_cpu_id = 0x6358,
227 .use_internal_phy = 1,
231 .force_speed_100 = 1,
232 .force_duplex_full = 1,
245 static const struct board_info __initdata *bcm963xx_boards[] = {
246 #ifdef CONFIG_BCM63XX_CPU_6338
249 #ifdef CONFIG_BCM63XX_CPU_6348
258 #ifdef CONFIG_BCM63XX_CPU_6358
265 * early init callback, read nvram data from flash and checksum it
267 void __init board_prom_init(void)
269 unsigned int check_len, i;
270 u8 *boot_addr, *cfe, *p;
271 char cfe_version[32];
274 /* read base address of boot chip select (0) */
275 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
276 val &= MPI_CSBASE_BASE_MASK;
277 boot_addr = (u8 *)KSEG1ADDR(val);
279 /* dump cfe version */
280 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
281 if (!memcmp(cfe, "cfe-v", 5))
282 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
283 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
285 strcpy(cfe_version, "unknown");
286 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
288 /* extract nvram data */
289 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
291 /* check checksum before using data */
292 if (nvram.version <= 4)
293 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
295 check_len = sizeof(nvram);
301 printk(KERN_ERR PFX "invalid nvram checksum\n");
305 /* find board by name */
306 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
307 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
310 /* copy, board desc array is marked initdata */
311 memcpy(&board, bcm963xx_boards[i], sizeof(board));
315 /* bail out if board is not found, will complain later */
316 if (!board.name[0]) {
318 memcpy(name, nvram.name, 16);
320 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
325 /* setup pin multiplexing depending on board enabled device,
326 * this has to be done this early since PCI init is done
327 * inside arch_initcall */
331 bcm63xx_pci_enabled = 1;
332 if (BCMCPU_IS_6348())
333 val |= GPIO_MODE_6348_G2_PCI;
336 if (board.has_pccard) {
337 if (BCMCPU_IS_6348())
338 val |= GPIO_MODE_6348_G1_MII_PCCARD;
341 if (board.has_enet0 && !board.enet0.use_internal_phy) {
342 if (BCMCPU_IS_6348())
343 val |= GPIO_MODE_6348_G3_EXT_MII |
344 GPIO_MODE_6348_G0_EXT_MII;
347 if (board.has_enet1 && !board.enet1.use_internal_phy) {
348 if (BCMCPU_IS_6348())
349 val |= GPIO_MODE_6348_G3_EXT_MII |
350 GPIO_MODE_6348_G0_EXT_MII;
353 bcm_gpio_writel(val, GPIO_MODE_REG);
357 * second stage init callback, good time to panic if we couldn't
358 * identify on which board we're running since early printk is working
360 void __init board_setup(void)
363 panic("unable to detect bcm963xx board");
364 printk(KERN_INFO PFX "board name: %s\n", board.name);
366 /* make sure we're running on expected cpu */
367 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
368 panic("unexpected CPU for bcm963xx board");
372 * return board name for /proc/cpuinfo
374 const char *board_get_name(void)
380 * register & return a new board mac address
382 static int board_get_mac_address(u8 *mac)
387 if (mac_addr_used >= nvram.mac_addr_count) {
388 printk(KERN_ERR PFX "not enough mac address\n");
392 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
393 p = mac + ETH_ALEN - 1;
394 count = mac_addr_used;
406 printk(KERN_ERR PFX "unable to fetch mac address\n");
414 static struct resource mtd_resources[] = {
416 .start = 0, /* filled at runtime */
417 .end = 0, /* filled at runtime */
418 .flags = IORESOURCE_MEM,
422 static struct platform_device mtd_dev = {
423 .name = "bcm963xx-flash",
424 .resource = mtd_resources,
425 .num_resources = ARRAY_SIZE(mtd_resources),
429 * third stage init callback, register all board devices.
431 int __init board_register_devices(void)
435 bcm63xx_uart_register();
436 bcm63xx_wdt_register();
438 if (board.has_pccard)
439 bcm63xx_pcmcia_register();
441 if (board.has_enet0 &&
442 !board_get_mac_address(board.enet0.mac_addr))
443 bcm63xx_enet_register(0, &board.enet0);
445 if (board.has_enet1 &&
446 !board_get_mac_address(board.enet1.mac_addr))
447 bcm63xx_enet_register(1, &board.enet1);
450 bcm63xx_ohci_register();
453 bcm63xx_ehci_register();
456 /* read base address of boot chip select (0) */
457 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
458 val &= MPI_CSBASE_BASE_MASK;
459 mtd_resources[0].start = val;
460 mtd_resources[0].end = 0x1FFFFFFF;
462 platform_device_register(&mtd_dev);