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) 2009 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_board.h>
24 #include <bcm63xx_dev_pci.h>
25 #include <bcm63xx_dev_uart.h>
26 #include <bcm63xx_dev_wdt.h>
27 #include <bcm63xx_dev_enet.h>
28 #include <bcm63xx_dev_dsp.h>
29 #include <bcm63xx_dev_pcmcia.h>
30 #include <bcm63xx_dev_usb_ohci.h>
31 #include <bcm63xx_dev_usb_ehci.h>
32 #include <bcm63xx_dev_usb_udc.h>
33 #include <bcm63xx_dev_spi.h>
34 #include <board_bcm963xx.h>
36 #define PFX "board_bcm963xx: "
38 static struct bcm963xx_nvram nvram;
39 static unsigned int mac_addr_used = 0;
40 static struct board_info board;
46 #ifdef CONFIG_BCM63XX_CPU_6338
47 static struct board_info __initdata board_96338gw = {
49 .expected_cpu_id = 0x6338,
54 .force_duplex_full = 1,
79 .default_trigger = "default-on",
89 static struct board_info __initdata board_96338w = {
91 .expected_cpu_id = 0x6338,
96 .force_duplex_full = 1,
119 .default_trigger = "default-on",
133 #ifdef CONFIG_BCM63XX_CPU_6345
134 static struct board_info __initdata board_96345gw2 = {
136 .expected_cpu_id = 0x6345,
143 #ifdef CONFIG_BCM63XX_CPU_6348
144 static struct board_info __initdata board_96348r = {
146 .expected_cpu_id = 0x6348,
153 .use_internal_phy = 1,
176 .default_trigger = "default-on",
187 static struct board_info __initdata board_96348gw_10 = {
188 .name = "96348GW-10",
189 .expected_cpu_id = 0x6348,
197 .use_internal_phy = 1,
200 .force_speed_100 = 1,
201 .force_duplex_full = 1,
236 .default_trigger = "default-on",
246 static struct board_info __initdata board_96348gw_11 = {
247 .name = "96348GW-11",
248 .expected_cpu_id = 0x6348,
256 .use_internal_phy = 1,
260 .force_speed_100 = 1,
261 .force_duplex_full = 1,
289 .default_trigger = "default-on",
299 static struct board_info __initdata board_96348gw = {
301 .expected_cpu_id = 0x6348,
309 .use_internal_phy = 1,
312 .force_speed_100 = 1,
313 .force_duplex_full = 1,
346 .default_trigger = "default-on",
356 static struct board_info __initdata board_FAST2404 = {
358 .expected_cpu_id = 0x6348,
366 .use_internal_phy = 1,
370 .force_speed_100 = 1,
371 .force_duplex_full = 1,
380 static struct board_info __initdata board_DV201AMR = {
382 .expected_cpu_id = 0x6348,
392 .use_internal_phy = 1,
395 .force_speed_100 = 1,
396 .force_duplex_full = 1,
400 static struct board_info __initdata board_96348gw_a = {
402 .expected_cpu_id = 0x6348,
410 .use_internal_phy = 1,
413 .force_speed_100 = 1,
414 .force_duplex_full = 1,
426 #ifdef CONFIG_BCM63XX_CPU_6358
427 static struct board_info __initdata board_96358vw = {
429 .expected_cpu_id = 0x6358,
437 .use_internal_phy = 1,
441 .force_speed_100 = 1,
442 .force_duplex_full = 1,
469 .default_trigger = "default-on",
478 static struct board_info __initdata board_96358vw2 = {
480 .expected_cpu_id = 0x6358,
488 .use_internal_phy = 1,
492 .force_speed_100 = 1,
493 .force_duplex_full = 1,
515 .default_trigger = "default-on",
525 static struct board_info __initdata board_AGPFS0 = {
527 .expected_cpu_id = 0x6358,
535 .use_internal_phy = 1,
539 .force_speed_100 = 1,
540 .force_duplex_full = 1,
551 static const struct board_info __initdata *bcm963xx_boards[] = {
552 #ifdef CONFIG_BCM63XX_CPU_6338
556 #ifdef CONFIG_BCM63XX_CPU_6345
559 #ifdef CONFIG_BCM63XX_CPU_6348
569 #ifdef CONFIG_BCM63XX_CPU_6358
577 * early init callback, read nvram data from flash and checksum it
579 void __init board_prom_init(void)
581 unsigned int check_len, i;
582 u8 *boot_addr, *cfe, *p;
583 char cfe_version[32];
586 /* read base address of boot chip select (0)
587 * 6345 does not have MPI but boots from standard
588 * MIPS Flash address */
589 if (BCMCPU_IS_6345())
592 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
593 val &= MPI_CSBASE_BASE_MASK;
595 boot_addr = (u8 *)KSEG1ADDR(val);
597 /* dump cfe version */
598 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
599 if (!memcmp(cfe, "cfe-v", 5))
600 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
601 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
603 strcpy(cfe_version, "unknown");
604 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
606 /* extract nvram data */
607 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
609 /* check checksum before using data */
610 if (nvram.version <= 4)
611 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
613 check_len = sizeof(nvram);
619 printk(KERN_ERR PFX "invalid nvram checksum\n");
623 /* find board by name */
624 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
625 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
628 /* copy, board desc array is marked initdata */
629 memcpy(&board, bcm963xx_boards[i], sizeof(board));
633 /* bail out if board is not found, will complain later */
634 if (!board.name[0]) {
636 memcpy(name, nvram.name, 16);
638 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
643 /* setup pin multiplexing depending on board enabled device,
644 * this has to be done this early since PCI init is done
645 * inside arch_initcall */
649 bcm63xx_pci_enabled = 1;
650 if (BCMCPU_IS_6348())
651 val |= GPIO_MODE_6348_G2_PCI;
654 if (board.has_pccard) {
655 if (BCMCPU_IS_6348())
656 val |= GPIO_MODE_6348_G1_MII_PCCARD;
659 if (board.has_enet0 && !board.enet0.use_internal_phy) {
660 if (BCMCPU_IS_6348())
661 val |= GPIO_MODE_6348_G3_EXT_MII |
662 GPIO_MODE_6348_G0_EXT_MII;
665 if (board.has_enet1 && !board.enet1.use_internal_phy) {
666 if (BCMCPU_IS_6348())
667 val |= GPIO_MODE_6348_G3_EXT_MII |
668 GPIO_MODE_6348_G0_EXT_MII;
671 bcm_gpio_writel(val, GPIO_MODE_REG);
675 * second stage init callback, good time to panic if we couldn't
676 * identify on which board we're running since early printk is working
678 void __init board_setup(void)
681 panic("unable to detect bcm963xx board");
682 printk(KERN_INFO PFX "board name: %s\n", board.name);
684 /* make sure we're running on expected cpu */
685 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
686 panic("unexpected CPU for bcm963xx board");
690 * return board name for /proc/cpuinfo
692 const char *board_get_name(void)
698 * register & return a new board mac address
700 static int board_get_mac_address(u8 *mac)
705 if (mac_addr_used >= nvram.mac_addr_count) {
706 printk(KERN_ERR PFX "not enough mac address\n");
710 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
711 p = mac + ETH_ALEN - 1;
712 count = mac_addr_used;
724 printk(KERN_ERR PFX "unable to fetch mac address\n");
732 static struct resource mtd_resources[] = {
734 .start = 0, /* filled at runtime */
735 .end = 0, /* filled at runtime */
736 .flags = IORESOURCE_MEM,
740 static struct platform_device mtd_dev = {
741 .name = "bcm963xx-flash",
742 .resource = mtd_resources,
743 .num_resources = ARRAY_SIZE(mtd_resources),
747 * Register a sane SPROMv2 to make the on-board
750 static struct ssb_sprom bcm63xx_sprom = {
754 .ant_available_bg = 0x3,
767 .boardflags_lo = 0x2848,
768 .boardflags_hi = 0x0000,
771 static struct resource gpiodev_resource = {
775 static struct gpio_led_platform_data bcm63xx_led_data;
777 static struct platform_device bcm63xx_gpio_leds = {
780 .dev.platform_data = &bcm63xx_led_data,
784 * third stage init callback, register all board devices.
786 int __init board_register_devices(void)
790 bcm63xx_uart_register();
791 bcm63xx_wdt_register();
792 bcm63xx_spi_register();
794 if (board.has_pccard)
795 bcm63xx_pcmcia_register();
797 if (board.has_enet0 &&
798 !board_get_mac_address(board.enet0.mac_addr))
799 bcm63xx_enet_register(0, &board.enet0);
801 if (board.has_enet1 &&
802 !board_get_mac_address(board.enet1.mac_addr))
803 bcm63xx_enet_register(1, &board.enet1);
806 bcm63xx_ohci_register();
809 bcm63xx_ehci_register();
812 bcm63xx_udc_register();
815 bcm63xx_dsp_register(&board.dsp);
817 /* Generate MAC address for WLAN and
818 * register our SPROM */
820 if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
821 memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
822 memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
823 if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
824 printk(KERN_ERR "failed to register fallback SPROM\n");
828 /* read base address of boot chip select (0) */
829 if (BCMCPU_IS_6345())
832 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
833 val &= MPI_CSBASE_BASE_MASK;
835 mtd_resources[0].start = val;
836 mtd_resources[0].end = 0x1FFFFFFF;
838 platform_device_register(&mtd_dev);
840 /* Register GPIODEV */
841 platform_device_register_simple("GPIODEV", 0, &gpiodev_resource, 1);
843 bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
844 bcm63xx_led_data.leds = board.leds;
846 platform_device_register(&bcm63xx_gpio_leds);