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_11 = {
55 .expected_cpu_id = 0x6348,
63 .use_internal_phy = 1,
68 .force_duplex_full = 1,
77 static struct board_info __initdata board_96348gw = {
79 .expected_cpu_id = 0x6348,
87 .use_internal_phy = 1,
91 .force_duplex_full = 1,
99 #ifdef CONFIG_BCM63XX_CPU_6358
100 static struct board_info __initdata board_96358vw = {
102 .expected_cpu_id = 0x6358,
110 .use_internal_phy = 1,
114 .force_speed_100 = 1,
115 .force_duplex_full = 1,
124 static struct board_info __initdata board_96358vw2 = {
126 .expected_cpu_id = 0x6358,
134 .use_internal_phy = 1,
138 .force_speed_100 = 1,
139 .force_duplex_full = 1,
152 static const struct board_info __initdata *bcm963xx_boards[] = {
153 #ifdef CONFIG_BCM63XX_CPU_6348
159 #ifdef CONFIG_BCM63XX_CPU_6358
166 * early init callback, read nvram data from flash and checksum it
168 void __init board_prom_init(void)
170 unsigned int check_len, i;
171 u8 *boot_addr, *cfe, *p;
172 char cfe_version[32];
175 /* read base address of boot chip select (0) */
176 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
177 val &= MPI_CSBASE_BASE_MASK;
178 boot_addr = (u8 *)KSEG1ADDR(val);
180 /* dump cfe version */
181 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
182 if (!memcmp(cfe, "cfe-v", 5))
183 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
184 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
186 strcpy(cfe_version, "unknown");
187 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
189 /* extract nvram data */
190 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
192 /* check checksum before using data */
193 if (nvram.version <= 4)
194 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
196 check_len = sizeof(nvram);
202 printk(KERN_ERR PFX "invalid nvram checksum\n");
206 /* find board by name */
207 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
208 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
211 /* copy, board desc array is marked initdata */
212 memcpy(&board, bcm963xx_boards[i], sizeof(board));
216 /* bail out if board is not found, will complain later */
217 if (!board.name[0]) {
219 memcpy(name, nvram.name, 16);
221 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
226 /* setup pin multiplexing depending on board enabled device,
227 * this has to be done this early since PCI init is done
228 * inside arch_initcall */
232 bcm63xx_pci_enabled = 1;
233 if (BCMCPU_IS_6348())
234 val |= GPIO_MODE_6348_G2_PCI;
237 if (board.has_pccard) {
238 if (BCMCPU_IS_6348())
239 val |= GPIO_MODE_6348_G1_MII_PCCARD;
242 if (board.has_enet0 && !board.enet0.use_internal_phy) {
243 if (BCMCPU_IS_6348())
244 val |= GPIO_MODE_6348_G3_EXT_MII |
245 GPIO_MODE_6348_G0_EXT_MII;
248 if (board.has_enet1 && !board.enet1.use_internal_phy) {
249 if (BCMCPU_IS_6348())
250 val |= GPIO_MODE_6348_G3_EXT_MII |
251 GPIO_MODE_6348_G0_EXT_MII;
254 bcm_gpio_writel(val, GPIO_MODE_REG);
258 * second stage init callback, good time to panic if we couldn't
259 * identify on which board we're running since early printk is working
261 void __init board_setup(void)
264 panic("unable to detect bcm963xx board");
265 printk(KERN_INFO PFX "board name: %s\n", board.name);
267 /* make sure we're running on expected cpu */
268 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
269 panic("unexpected CPU for bcm963xx board");
273 * return board name for /proc/cpuinfo
275 const char *board_get_name(void)
281 * register & return a new board mac address
283 static int board_get_mac_address(u8 *mac)
288 if (mac_addr_used >= nvram.mac_addr_count) {
289 printk(KERN_ERR PFX "not enough mac address\n");
293 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
294 p = mac + ETH_ALEN - 1;
295 count = mac_addr_used;
307 printk(KERN_ERR PFX "unable to fetch mac address\n");
315 static struct mtd_partition mtd_partitions[] = {
323 static struct physmap_flash_data flash_data = {
325 .nr_parts = ARRAY_SIZE(mtd_partitions),
326 .parts = mtd_partitions,
329 static struct resource mtd_resources[] = {
331 .start = 0, /* filled at runtime */
332 .end = 0, /* filled at runtime */
333 .flags = IORESOURCE_MEM,
337 static struct platform_device mtd_dev = {
338 .name = "physmap-flash",
339 .resource = mtd_resources,
340 .num_resources = ARRAY_SIZE(mtd_resources),
342 .platform_data = &flash_data,
347 * third stage init callback, register all board devices.
349 int __init board_register_devices(void)
353 bcm63xx_uart_register();
355 if (board.has_pccard)
356 bcm63xx_pcmcia_register();
358 if (board.has_enet0 &&
359 !board_get_mac_address(board.enet0.mac_addr))
360 bcm63xx_enet_register(0, &board.enet0);
362 if (board.has_enet1 &&
363 !board_get_mac_address(board.enet1.mac_addr))
364 bcm63xx_enet_register(1, &board.enet1);
367 bcm63xx_ohci_register();
370 bcm63xx_ehci_register();
373 /* read base address of boot chip select (0) */
374 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
375 val &= MPI_CSBASE_BASE_MASK;
376 mtd_resources[0].start = val;
377 mtd_resources[0].end = 0x1FFFFFFF;
379 platform_device_register(&mtd_dev);