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|
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
* Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/ssb/ssb.h>
#include <asm/addrspace.h>
#include <bcm63xx_board.h>
#include <bcm63xx_cpu.h>
#include <bcm63xx_dev_uart.h>
#include <bcm63xx_regs.h>
#include <bcm63xx_io.h>
#include <bcm63xx_dev_pci.h>
#include <bcm63xx_dev_enet.h>
#include <bcm63xx_dev_dsp.h>
#include <bcm63xx_dev_pcmcia.h>
#include <board_bcm963xx.h>
#define PFX "board_bcm963xx: "
static struct bcm963xx_nvram nvram;
static unsigned int mac_addr_used;
static struct board_info board;
/*
* known 6338 boards
*/
#ifdef CONFIG_BCM63XX_CPU_6338
static struct board_info __initdata board_96338gw = {
.name = "96338GW",
.expected_cpu_id = 0x6338,
.has_uart0 = 1,
.has_enet0 = 1,
.enet0 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.has_ohci0 = 1,
.leds = {
{
.name = "adsl",
.gpio = 3,
.active_low = 1,
},
{
.name = "ses",
.gpio = 5,
.active_low = 1,
},
{
.name = "ppp-fail",
.gpio = 4,
.active_low = 1,
},
{
.name = "power",
.gpio = 0,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "stop",
.gpio = 1,
.active_low = 1,
}
},
};
static struct board_info __initdata board_96338w = {
.name = "96338W",
.expected_cpu_id = 0x6338,
.has_uart0 = 1,
.has_enet0 = 1,
.enet0 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.leds = {
{
.name = "adsl",
.gpio = 3,
.active_low = 1,
},
{
.name = "ses",
.gpio = 5,
.active_low = 1,
},
{
.name = "ppp-fail",
.gpio = 4,
.active_low = 1,
},
{
.name = "power",
.gpio = 0,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "stop",
.gpio = 1,
.active_low = 1,
},
},
};
#endif
/*
* known 6345 boards
*/
#ifdef CONFIG_BCM63XX_CPU_6345
static struct board_info __initdata board_96345gw2 = {
.name = "96345GW2",
.expected_cpu_id = 0x6345,
.has_uart0 = 1,
};
#endif
/*
* known 6348 boards
*/
#ifdef CONFIG_BCM63XX_CPU_6348
static struct board_info __initdata board_96348r = {
.name = "96348R",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_enet0 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.leds = {
{
.name = "adsl-fail",
.gpio = 2,
.active_low = 1,
},
{
.name = "ppp",
.gpio = 3,
.active_low = 1,
},
{
.name = "ppp-fail",
.gpio = 4,
.active_low = 1,
},
{
.name = "power",
.gpio = 0,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "stop",
.gpio = 1,
.active_low = 1,
},
},
};
static struct board_info __initdata board_96348gw_10 = {
.name = "96348GW-10",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.has_ohci0 = 1,
.has_pccard = 1,
.has_ehci0 = 1,
.has_dsp = 1,
.dsp = {
.gpio_rst = 6,
.gpio_int = 34,
.cs = 2,
.ext_irq = 2,
},
.leds = {
{
.name = "adsl-fail",
.gpio = 2,
.active_low = 1,
},
{
.name = "ppp",
.gpio = 3,
.active_low = 1,
},
{
.name = "ppp-fail",
.gpio = 4,
.active_low = 1,
},
{
.name = "power",
.gpio = 0,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "stop",
.gpio = 1,
.active_low = 1,
},
},
};
static struct board_info __initdata board_96348gw_11 = {
.name = "96348GW-11",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.has_ohci0 = 1,
.has_pccard = 1,
.has_ehci0 = 1,
.leds = {
{
.name = "adsl-fail",
.gpio = 2,
.active_low = 1,
},
{
.name = "ppp",
.gpio = 3,
.active_low = 1,
},
{
.name = "ppp-fail",
.gpio = 4,
.active_low = 1,
},
{
.name = "power",
.gpio = 0,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "stop",
.gpio = 1,
.active_low = 1,
},
},
};
static struct board_info __initdata board_96348gw = {
.name = "96348GW",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.has_ohci0 = 1,
.has_dsp = 1,
.dsp = {
.gpio_rst = 6,
.gpio_int = 34,
.ext_irq = 2,
.cs = 2,
},
.leds = {
{
.name = "adsl-fail",
.gpio = 2,
.active_low = 1,
},
{
.name = "ppp",
.gpio = 3,
.active_low = 1,
},
{
.name = "ppp-fail",
.gpio = 4,
.active_low = 1,
},
{
.name = "power",
.gpio = 0,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "stop",
.gpio = 1,
.active_low = 1,
},
},
};
static struct board_info __initdata board_FAST2404 = {
.name = "F@ST2404",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.has_ohci0 = 1,
.has_pccard = 1,
.has_ehci0 = 1,
};
static struct board_info __initdata board_rta1025w_16 = {
.name = "RTA1025W_16",
.expected_cpu_id = 0x6348,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
};
static struct board_info __initdata board_DV201AMR = {
.name = "DV201AMR",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_pci = 1,
.has_ohci0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
};
static struct board_info __initdata board_96348gw_a = {
.name = "96348GW-A",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.has_ohci0 = 1,
};
#endif
/*
* known 6358 boards
*/
#ifdef CONFIG_BCM63XX_CPU_6358
static struct board_info __initdata board_96358vw = {
.name = "96358VW",
.expected_cpu_id = 0x6358,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.has_ohci0 = 1,
.has_pccard = 1,
.has_ehci0 = 1,
.leds = {
{
.name = "adsl-fail",
.gpio = 15,
.active_low = 1,
},
{
.name = "ppp",
.gpio = 22,
.active_low = 1,
},
{
.name = "ppp-fail",
.gpio = 23,
.active_low = 1,
},
{
.name = "power",
.gpio = 4,
.default_trigger = "default-on",
},
{
.name = "stop",
.gpio = 5,
},
},
};
static struct board_info __initdata board_96358vw2 = {
.name = "96358VW2",
.expected_cpu_id = 0x6358,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.has_ohci0 = 1,
.has_pccard = 1,
.has_ehci0 = 1,
.leds = {
{
.name = "adsl",
.gpio = 22,
.active_low = 1,
},
{
.name = "ppp-fail",
.gpio = 23,
},
{
.name = "power",
.gpio = 5,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "stop",
.gpio = 4,
.active_low = 1,
},
},
};
static struct board_info __initdata board_AGPFS0 = {
.name = "AGPF-S0",
.expected_cpu_id = 0x6358,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.has_ohci0 = 1,
.has_ehci0 = 1,
};
static struct board_info __initdata board_DWVS0 = {
.name = "DWV-S0",
.expected_cpu_id = 0x6358,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.has_ohci0 = 1,
};
#endif
/*
* all boards
*/
static const struct board_info __initdata *bcm963xx_boards[] = {
#ifdef CONFIG_BCM63XX_CPU_6338
&board_96338gw,
&board_96338w,
#endif
#ifdef CONFIG_BCM63XX_CPU_6345
&board_96345gw2,
#endif
#ifdef CONFIG_BCM63XX_CPU_6348
&board_96348r,
&board_96348gw,
&board_96348gw_10,
&board_96348gw_11,
&board_FAST2404,
&board_DV201AMR,
&board_96348gw_a,
&board_rta1025w_16,
#endif
#ifdef CONFIG_BCM63XX_CPU_6358
&board_96358vw,
&board_96358vw2,
&board_AGPFS0,
&board_DWVS0,
#endif
};
/*
* Register a sane SPROMv2 to make the on-board
* bcm4318 WLAN work
*/
#ifdef CONFIG_SSB_PCIHOST
static struct ssb_sprom bcm63xx_sprom = {
.revision = 0x02,
.board_rev = 0x17,
.country_code = 0x0,
.ant_available_bg = 0x3,
.pa0b0 = 0x15ae,
.pa0b1 = 0xfa85,
.pa0b2 = 0xfe8d,
.pa1b0 = 0xffff,
.pa1b1 = 0xffff,
.pa1b2 = 0xffff,
.gpio0 = 0xff,
.gpio1 = 0xff,
.gpio2 = 0xff,
.gpio3 = 0xff,
.maxpwr_bg = 0x004c,
.itssi_bg = 0x00,
.boardflags_lo = 0x2848,
.boardflags_hi = 0x0000,
};
int bcm63xx_get_fallback_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
{
if (bus->bustype == SSB_BUSTYPE_PCI) {
memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom));
return 0;
} else {
printk(KERN_ERR PFX "unable to fill SPROM for given bustype.\n");
return -EINVAL;
}
}
#endif
/*
* return board name for /proc/cpuinfo
*/
const char *board_get_name(void)
{
return board.name;
}
/*
* register & return a new board mac address
*/
static int board_get_mac_address(u8 *mac)
{
u8 *p;
int count;
if (mac_addr_used >= nvram.mac_addr_count) {
printk(KERN_ERR PFX "not enough mac address\n");
return -ENODEV;
}
memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
p = mac + ETH_ALEN - 1;
count = mac_addr_used;
while (count--) {
do {
(*p)++;
if (*p != 0)
break;
p--;
} while (p != mac);
}
if (p == mac) {
printk(KERN_ERR PFX "unable to fetch mac address\n");
return -ENODEV;
}
mac_addr_used++;
return 0;
}
/*
* early init callback, read nvram data from flash and checksum it
*/
void __init board_prom_init(void)
{
unsigned int check_len, i;
u8 *boot_addr, *cfe, *p;
char cfe_version[32];
u32 val;
/* read base address of boot chip select (0)
* 6345 does not have MPI but boots from standard
* MIPS Flash address */
if (BCMCPU_IS_6345())
val = 0x1fc00000;
else {
val = bcm_mpi_readl(MPI_CSBASE_REG(0));
val &= MPI_CSBASE_BASE_MASK;
}
boot_addr = (u8 *)KSEG1ADDR(val);
/* dump cfe version */
cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
if (!memcmp(cfe, "cfe-v", 5))
snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
else
strcpy(cfe_version, "unknown");
printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
/* extract nvram data */
memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
/* check checksum before using data */
if (nvram.version <= 4)
check_len = offsetof(struct bcm963xx_nvram, checksum_old);
else
check_len = sizeof(nvram);
val = 0;
p = (u8 *)&nvram;
while (check_len--)
val += *p;
if (val) {
printk(KERN_ERR PFX "invalid nvram checksum\n");
return;
}
/* find board by name */
for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
if (strncmp(nvram.name, bcm963xx_boards[i]->name,
sizeof(nvram.name)))
continue;
/* copy, board desc array is marked initdata */
memcpy(&board, bcm963xx_boards[i], sizeof(board));
break;
}
/* bail out if board is not found, will complain later */
if (!board.name[0]) {
char name[17];
memcpy(name, nvram.name, 16);
name[16] = 0;
printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
name);
return;
}
/* setup pin multiplexing depending on board enabled device,
* this has to be done this early since PCI init is done
* inside arch_initcall */
val = 0;
#ifdef CONFIG_PCI
if (board.has_pci) {
bcm63xx_pci_enabled = 1;
if (BCMCPU_IS_6348())
val |= GPIO_MODE_6348_G2_PCI;
}
#endif
if (board.has_pccard) {
if (BCMCPU_IS_6348())
val |= GPIO_MODE_6348_G1_MII_PCCARD;
}
if (board.has_enet0 && !board.enet0.use_internal_phy) {
if (BCMCPU_IS_6348())
val |= GPIO_MODE_6348_G3_EXT_MII |
GPIO_MODE_6348_G0_EXT_MII;
}
if (board.has_enet1 && !board.enet1.use_internal_phy) {
if (BCMCPU_IS_6348())
val |= GPIO_MODE_6348_G3_EXT_MII |
GPIO_MODE_6348_G0_EXT_MII;
}
bcm_gpio_writel(val, GPIO_MODE_REG);
/* Generate MAC address for WLAN and
* register our SPROM */
#ifdef CONFIG_SSB_PCIHOST
if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
if (ssb_arch_register_fallback_sprom(
&bcm63xx_get_fallback_sprom) < 0)
printk(KERN_ERR PFX "failed to register fallback SPROM\n");
}
#endif
}
/*
* second stage init callback, good time to panic if we couldn't
* identify on which board we're running since early printk is working
*/
void __init board_setup(void)
{
if (!board.name[0])
panic("unable to detect bcm963xx board");
printk(KERN_INFO PFX "board name: %s\n", board.name);
/* make sure we're running on expected cpu */
if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
panic("unexpected CPU for bcm963xx board");
}
static struct mtd_partition mtd_partitions[] = {
{
.name = "cfe",
.offset = 0x0,
.size = 0x40000,
}
};
static const char *bcm63xx_part_types[] = { "bcm63xxpart", NULL };
static struct physmap_flash_data flash_data = {
.width = 2,
.nr_parts = ARRAY_SIZE(mtd_partitions),
.parts = mtd_partitions,
.part_probe_types = bcm63xx_part_types,
};
static struct resource mtd_resources[] = {
{
.start = 0, /* filled at runtime */
.end = 0, /* filled at runtime */
.flags = IORESOURCE_MEM,
}
};
static struct platform_device mtd_dev = {
.name = "physmap-flash",
.resource = mtd_resources,
.num_resources = ARRAY_SIZE(mtd_resources),
.dev = {
.platform_data = &flash_data,
},
};
static struct gpio_led_platform_data bcm63xx_led_data;
static struct platform_device bcm63xx_gpio_leds = {
.name = "leds-gpio",
.id = 0,
.dev.platform_data = &bcm63xx_led_data,
};
/*
* third stage init callback, register all board devices.
*/
int __init board_register_devices(void)
{
u32 val;
if (board.has_uart0)
bcm63xx_uart_register(0);
if (board.has_uart1)
bcm63xx_uart_register(1);
if (board.has_pccard)
bcm63xx_pcmcia_register();
if (board.has_enet0 &&
!board_get_mac_address(board.enet0.mac_addr))
bcm63xx_enet_register(0, &board.enet0);
if (board.has_enet1 &&
!board_get_mac_address(board.enet1.mac_addr))
bcm63xx_enet_register(1, &board.enet1);
if (board.has_dsp)
bcm63xx_dsp_register(&board.dsp);
/* read base address of boot chip select (0) */
if (BCMCPU_IS_6345())
val = 0x1fc00000;
else {
val = bcm_mpi_readl(MPI_CSBASE_REG(0));
val &= MPI_CSBASE_BASE_MASK;
}
mtd_resources[0].start = val;
mtd_resources[0].end = 0x1FFFFFFF;
platform_device_register(&mtd_dev);
bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
bcm63xx_led_data.leds = board.leds;
platform_device_register(&bcm63xx_gpio_leds);
return 0;
}
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