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>
7 * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
10 #include <linux/init.h>
11 #include <linux/kernel.h>
12 #include <linux/string.h>
13 #include <linux/platform_device.h>
14 #include <linux/mtd/mtd.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/ssb/ssb.h>
18 #include <asm/addrspace.h>
19 #include <bcm63xx_board.h>
20 #include <bcm63xx_cpu.h>
21 #include <bcm63xx_regs.h>
22 #include <bcm63xx_io.h>
23 #include <bcm63xx_dev_pci.h>
24 #include <bcm63xx_dev_enet.h>
25 #include <bcm63xx_dev_dsp.h>
26 #include <bcm63xx_dev_pcmcia.h>
27 #include <bcm63xx_dev_uart.h>
28 #include <board_bcm963xx.h>
30 #define PFX "board_bcm963xx: "
32 static struct bcm963xx_nvram nvram;
33 static unsigned int mac_addr_used;
34 static struct board_info board;
39 #ifdef CONFIG_BCM63XX_CPU_6338
40 static struct board_info __initdata board_96338gw = {
42 .expected_cpu_id = 0x6338,
47 .force_duplex_full = 1,
72 .default_trigger = "default-on",
82 static struct board_info __initdata board_96338w = {
84 .expected_cpu_id = 0x6338,
89 .force_duplex_full = 1,
112 .default_trigger = "default-on",
126 #ifdef CONFIG_BCM63XX_CPU_6345
127 static struct board_info __initdata board_96345gw2 = {
129 .expected_cpu_id = 0x6345,
136 #ifdef CONFIG_BCM63XX_CPU_6348
137 static struct board_info __initdata board_96348r = {
139 .expected_cpu_id = 0x6348,
146 .use_internal_phy = 1,
169 .default_trigger = "default-on",
180 static struct board_info __initdata board_96348gw_10 = {
181 .name = "96348GW-10",
182 .expected_cpu_id = 0x6348,
190 .use_internal_phy = 1,
193 .force_speed_100 = 1,
194 .force_duplex_full = 1,
229 .default_trigger = "default-on",
239 static struct board_info __initdata board_96348gw_11 = {
240 .name = "96348GW-11",
241 .expected_cpu_id = 0x6348,
249 .use_internal_phy = 1,
253 .force_speed_100 = 1,
254 .force_duplex_full = 1,
282 .default_trigger = "default-on",
292 static struct board_info __initdata board_96348gw = {
294 .expected_cpu_id = 0x6348,
302 .use_internal_phy = 1,
305 .force_speed_100 = 1,
306 .force_duplex_full = 1,
339 .default_trigger = "default-on",
349 static struct board_info __initdata board_FAST2404 = {
351 .expected_cpu_id = 0x6348,
359 .use_internal_phy = 1,
363 .force_speed_100 = 1,
364 .force_duplex_full = 1,
373 static struct board_info __initdata board_DV201AMR = {
375 .expected_cpu_id = 0x6348,
384 .use_internal_phy = 1,
387 .force_speed_100 = 1,
388 .force_duplex_full = 1,
392 static struct board_info __initdata board_96348gw_a = {
394 .expected_cpu_id = 0x6348,
402 .use_internal_phy = 1,
405 .force_speed_100 = 1,
406 .force_duplex_full = 1,
416 #ifdef CONFIG_BCM63XX_CPU_6358
417 static struct board_info __initdata board_96358vw = {
419 .expected_cpu_id = 0x6358,
427 .use_internal_phy = 1,
431 .force_speed_100 = 1,
432 .force_duplex_full = 1,
459 .default_trigger = "default-on",
468 static struct board_info __initdata board_96358vw2 = {
470 .expected_cpu_id = 0x6358,
478 .use_internal_phy = 1,
482 .force_speed_100 = 1,
483 .force_duplex_full = 1,
505 .default_trigger = "default-on",
515 static struct board_info __initdata board_AGPFS0 = {
517 .expected_cpu_id = 0x6358,
525 .use_internal_phy = 1,
529 .force_speed_100 = 1,
530 .force_duplex_full = 1,
541 static const struct board_info __initdata *bcm963xx_boards[] = {
542 #ifdef CONFIG_BCM63XX_CPU_6338
546 #ifdef CONFIG_BCM63XX_CPU_6345
549 #ifdef CONFIG_BCM63XX_CPU_6348
559 #ifdef CONFIG_BCM63XX_CPU_6358
567 * early init callback, read nvram data from flash and checksum it
569 void __init board_prom_init(void)
571 unsigned int check_len, i;
572 u8 *boot_addr, *cfe, *p;
573 char cfe_version[32];
576 /* read base address of boot chip select (0)
577 * 6345 does not have MPI but boots from standard
578 * MIPS Flash address */
579 if (BCMCPU_IS_6345())
582 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
583 val &= MPI_CSBASE_BASE_MASK;
585 boot_addr = (u8 *)KSEG1ADDR(val);
587 /* dump cfe version */
588 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
589 if (!memcmp(cfe, "cfe-v", 5))
590 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
591 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
593 strcpy(cfe_version, "unknown");
594 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
596 /* extract nvram data */
597 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
599 /* check checksum before using data */
600 if (nvram.version <= 4)
601 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
603 check_len = sizeof(nvram);
609 printk(KERN_ERR PFX "invalid nvram checksum\n");
613 /* find board by name */
614 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
615 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
618 /* copy, board desc array is marked initdata */
619 memcpy(&board, bcm963xx_boards[i], sizeof(board));
623 /* bail out if board is not found, will complain later */
624 if (!board.name[0]) {
626 memcpy(name, nvram.name, 16);
628 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
633 /* setup pin multiplexing depending on board enabled device,
634 * this has to be done this early since PCI init is done
635 * inside arch_initcall */
640 bcm63xx_pci_enabled = 1;
641 if (BCMCPU_IS_6348())
642 val |= GPIO_MODE_6348_G2_PCI;
646 if (board.has_pccard) {
647 if (BCMCPU_IS_6348())
648 val |= GPIO_MODE_6348_G1_MII_PCCARD;
651 if (board.has_enet0 && !board.enet0.use_internal_phy) {
652 if (BCMCPU_IS_6348())
653 val |= GPIO_MODE_6348_G3_EXT_MII |
654 GPIO_MODE_6348_G0_EXT_MII;
657 if (board.has_enet1 && !board.enet1.use_internal_phy) {
658 if (BCMCPU_IS_6348())
659 val |= GPIO_MODE_6348_G3_EXT_MII |
660 GPIO_MODE_6348_G0_EXT_MII;
663 bcm_gpio_writel(val, GPIO_MODE_REG);
667 * second stage init callback, good time to panic if we couldn't
668 * identify on which board we're running since early printk is working
670 void __init board_setup(void)
673 panic("unable to detect bcm963xx board");
674 printk(KERN_INFO PFX "board name: %s\n", board.name);
676 /* make sure we're running on expected cpu */
677 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
678 panic("unexpected CPU for bcm963xx board");
682 * return board name for /proc/cpuinfo
684 const char *board_get_name(void)
690 * register & return a new board mac address
692 static int board_get_mac_address(u8 *mac)
697 if (mac_addr_used >= nvram.mac_addr_count) {
698 printk(KERN_ERR PFX "not enough mac address\n");
702 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
703 p = mac + ETH_ALEN - 1;
704 count = mac_addr_used;
716 printk(KERN_ERR PFX "unable to fetch mac address\n");
724 static struct mtd_partition mtd_partitions[] = {
732 static struct physmap_flash_data flash_data = {
734 .nr_parts = ARRAY_SIZE(mtd_partitions),
735 .parts = mtd_partitions,
738 static struct resource mtd_resources[] = {
740 .start = 0, /* filled at runtime */
741 .end = 0, /* filled at runtime */
742 .flags = IORESOURCE_MEM,
746 static struct platform_device mtd_dev = {
747 .name = "physmap-flash",
748 .resource = mtd_resources,
749 .num_resources = ARRAY_SIZE(mtd_resources),
751 .platform_data = &flash_data,
756 * Register a sane SPROMv2 to make the on-board
759 #ifdef CONFIG_SSB_PCIHOST
760 static struct ssb_sprom bcm63xx_sprom = {
764 .ant_available_bg = 0x3,
777 .boardflags_lo = 0x2848,
778 .boardflags_hi = 0x0000,
782 static struct gpio_led_platform_data bcm63xx_led_data;
784 static struct platform_device bcm63xx_gpio_leds = {
787 .dev.platform_data = &bcm63xx_led_data,
791 * third stage init callback, register all board devices.
793 int __init board_register_devices(void)
797 bcm63xx_uart_register();
799 if (board.has_pccard)
800 bcm63xx_pcmcia_register();
802 if (board.has_enet0 &&
803 !board_get_mac_address(board.enet0.mac_addr))
804 bcm63xx_enet_register(0, &board.enet0);
806 if (board.has_enet1 &&
807 !board_get_mac_address(board.enet1.mac_addr))
808 bcm63xx_enet_register(1, &board.enet1);
811 bcm63xx_dsp_register(&board.dsp);
813 /* Generate MAC address for WLAN and
814 * register our SPROM */
815 #ifdef CONFIG_SSB_PCIHOST
816 if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
817 memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
818 memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
819 if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
820 printk(KERN_ERR "failed to register fallback SPROM\n");
824 /* read base address of boot chip select (0) */
825 if (BCMCPU_IS_6345())
828 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
829 val &= MPI_CSBASE_BASE_MASK;
831 mtd_resources[0].start = val;
832 mtd_resources[0].end = 0x1FFFFFFF;
834 platform_device_register(&mtd_dev);
836 bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
837 bcm63xx_led_data.leds = board.leds;
839 platform_device_register(&bcm63xx_gpio_leds);