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_enet.h>
25 #include <bcm63xx_dev_pcmcia.h>
26 #include <bcm63xx_dev_usb_ohci.h>
27 #include <bcm63xx_dev_usb_ehci.h>
28 #include <board_bcm963xx.h>
30 #define PFX "board_bcm963xx: "
32 static struct bcm963xx_nvram nvram;
33 static unsigned int mac_addr_used = 0;
34 static struct board_info board;
39 #ifdef CONFIG_BCM63XX_CPU_6348
40 static struct board_info __initdata board_96348r = {
42 .expected_cpu_id = 0x6348,
49 .use_internal_phy = 1,
53 static struct board_info __initdata board_96348gw_10 = {
55 .expected_cpu_id = 0x6348,
63 .use_internal_phy = 1,
67 .force_duplex_full = 1,
75 static struct board_info __initdata board_96348gw_11 = {
77 .expected_cpu_id = 0x6348,
85 .use_internal_phy = 1,
90 .force_duplex_full = 1,
99 static struct board_info __initdata board_96348gw = {
101 .expected_cpu_id = 0x6348,
109 .use_internal_phy = 1,
112 .force_speed_100 = 1,
113 .force_duplex_full = 1,
119 static struct board_info __initdata board_FAST2404 = {
121 .expected_cpu_id = 0x6348,
129 .use_internal_phy = 1,
133 .force_speed_100 = 1,
134 .force_duplex_full = 1,
148 #ifdef CONFIG_BCM63XX_CPU_6358
149 static struct board_info __initdata board_96358vw = {
151 .expected_cpu_id = 0x6358,
159 .use_internal_phy = 1,
163 .force_speed_100 = 1,
164 .force_duplex_full = 1,
173 static struct board_info __initdata board_96358vw2 = {
175 .expected_cpu_id = 0x6358,
183 .use_internal_phy = 1,
187 .force_speed_100 = 1,
188 .force_duplex_full = 1,
201 static const struct board_info __initdata *bcm963xx_boards[] = {
202 #ifdef CONFIG_BCM63XX_CPU_6348
210 #ifdef CONFIG_BCM63XX_CPU_6358
217 * early init callback, read nvram data from flash and checksum it
219 void __init board_prom_init(void)
221 unsigned int check_len, i;
222 u8 *boot_addr, *cfe, *p;
223 char cfe_version[32];
226 /* read base address of boot chip select (0) */
227 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
228 val &= MPI_CSBASE_BASE_MASK;
229 boot_addr = (u8 *)KSEG1ADDR(val);
231 /* dump cfe version */
232 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
233 if (!memcmp(cfe, "cfe-v", 5))
234 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
235 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
237 strcpy(cfe_version, "unknown");
238 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
240 /* extract nvram data */
241 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
243 /* check checksum before using data */
244 if (nvram.version <= 4)
245 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
247 check_len = sizeof(nvram);
253 printk(KERN_ERR PFX "invalid nvram checksum\n");
257 /* find board by name */
258 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
259 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
262 /* copy, board desc array is marked initdata */
263 memcpy(&board, bcm963xx_boards[i], sizeof(board));
267 /* bail out if board is not found, will complain later */
268 if (!board.name[0]) {
270 memcpy(name, nvram.name, 16);
272 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
277 /* setup pin multiplexing depending on board enabled device,
278 * this has to be done this early since PCI init is done
279 * inside arch_initcall */
283 bcm63xx_pci_enabled = 1;
284 if (BCMCPU_IS_6348())
285 val |= GPIO_MODE_6348_G2_PCI;
288 if (board.has_pccard) {
289 if (BCMCPU_IS_6348())
290 val |= GPIO_MODE_6348_G1_MII_PCCARD;
293 if (board.has_enet0 && !board.enet0.use_internal_phy) {
294 if (BCMCPU_IS_6348())
295 val |= GPIO_MODE_6348_G3_EXT_MII |
296 GPIO_MODE_6348_G0_EXT_MII;
299 if (board.has_enet1 && !board.enet1.use_internal_phy) {
300 if (BCMCPU_IS_6348())
301 val |= GPIO_MODE_6348_G3_EXT_MII |
302 GPIO_MODE_6348_G0_EXT_MII;
305 bcm_gpio_writel(val, GPIO_MODE_REG);
309 * second stage init callback, good time to panic if we couldn't
310 * identify on which board we're running since early printk is working
312 void __init board_setup(void)
315 panic("unable to detect bcm963xx board");
316 printk(KERN_INFO PFX "board name: %s\n", board.name);
318 /* make sure we're running on expected cpu */
319 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
320 panic("unexpected CPU for bcm963xx board");
324 * return board name for /proc/cpuinfo
326 const char *board_get_name(void)
332 * register & return a new board mac address
334 static int board_get_mac_address(u8 *mac)
339 if (mac_addr_used >= nvram.mac_addr_count) {
340 printk(KERN_ERR PFX "not enough mac address\n");
344 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
345 p = mac + ETH_ALEN - 1;
346 count = mac_addr_used;
358 printk(KERN_ERR PFX "unable to fetch mac address\n");
366 static struct resource mtd_resources[] = {
368 .start = 0, /* filled at runtime */
369 .end = 0, /* filled at runtime */
370 .flags = IORESOURCE_MEM,
374 static struct platform_device mtd_dev = {
375 .name = "bcm963xx-flash",
376 .resource = mtd_resources,
377 .num_resources = ARRAY_SIZE(mtd_resources),
381 * third stage init callback, register all board devices.
383 int __init board_register_devices(void)
387 bcm63xx_uart_register();
389 if (board.has_pccard)
390 bcm63xx_pcmcia_register();
392 if (board.has_enet0 &&
393 !board_get_mac_address(board.enet0.mac_addr))
394 bcm63xx_enet_register(0, &board.enet0);
396 if (board.has_enet1 &&
397 !board_get_mac_address(board.enet1.mac_addr))
398 bcm63xx_enet_register(1, &board.enet1);
401 bcm63xx_ohci_register();
404 bcm63xx_ehci_register();
407 /* read base address of boot chip select (0) */
408 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
409 val &= MPI_CSBASE_BASE_MASK;
410 mtd_resources[0].start = val;
411 mtd_resources[0].end = 0x1FFFFFFF;
413 platform_device_register(&mtd_dev);