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1315058bda
CFE seems to leave the SPI flash mapping in an invalid state after loading the kernel on some reference boards, so fix it up on boot. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 39273
124 lines
3.2 KiB
Diff
124 lines
3.2 KiB
Diff
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
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+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
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@@ -925,6 +925,65 @@ static struct board_info __initdata boar
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},
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},
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};
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+
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+static struct board_info __initdata board_V2500V_BB = {
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+ .name = "V2500V_BB",
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+ .expected_cpu_id = 0x6348,
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+
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+ .has_uart0 = 1,
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+ .has_enet0 = 1,
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+ .has_enet1 = 1,
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+ .has_pci = 1,
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+
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+ .enet0 = {
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+ .has_phy = 1,
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+ .use_internal_phy = 1,
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+ },
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+ .enet1 = {
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+ .has_phy = 1,
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+ .phy_id = 0,
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+ .force_speed_100 = 1,
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+ .force_duplex_full = 1,
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+ },
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+
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+ .leds = {
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+ {
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+ .name = "V2500V_BB:green:power",
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+ .gpio = 0,
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+ .active_low = 1,
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+ .default_trigger = "default-on",
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+ },
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+ {
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+ .name = "V2500V_BB:red:power",
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+ .gpio = 1,
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+ .active_low = 1,
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+ },
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+ {
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+ .name = "V2500V_BB:green:adsl",
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+ .gpio = 2,
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+ .active_low = 1,
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+ },
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+ { .name = "V2500V_BB:green:ppp",
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+ .gpio = 3,
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+ .active_low = 1,
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+ },
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+ {
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+ .name = "V2500V_BB:green:wireless",
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+ .gpio = 6,
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+ .active_low = 1,
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+ },
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+ },
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+ .buttons = {
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+ {
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+ .desc = "reset",
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+ .gpio = 31,
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+ .active_low = 1,
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+ .type = EV_KEY,
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+ .code = KEY_RESTART,
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+ .debounce_interval = BCM963XX_KEYS_DEBOUNCE_INTERVAL,
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+ },
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+ },
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+};
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#endif
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/*
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@@ -1988,6 +2047,7 @@ static const struct board_info __initcon
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&board_96348_D4PW,
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&board_spw500v,
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&board_96348sv,
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+ &board_V2500V_BB,
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#endif
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#ifdef CONFIG_BCM63XX_CPU_6358
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@@ -2109,6 +2169,22 @@ void __init board_prom_init(void)
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val &= MPI_CSBASE_BASE_MASK;
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}
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boot_addr = (u8 *)KSEG1ADDR(val);
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+ printk(KERN_INFO PFX "Boot address 0x%08x\n",(unsigned int)boot_addr);
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+
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+ /* BT Voyager 2500V (RTA1046VW PCB) has 8 Meg flash used as two */
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+ /* banks of 4 Meg. The byte at 0xBF800000 identifies the back to use.*/
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+ /* Loading firmware from the CFE Prompt always loads to Bank 0 */
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+ /* Do an early check of CFE and then select bank 0 */
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+
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+ if (boot_addr == (u8 *)0xbf800000) {
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+ u8 *tmp_boot_addr = (u8*)0xbfc00000;
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+
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+ bcm63xx_nvram_init(tmp_boot_addr + BCM963XX_NVRAM_OFFSET);
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+ if (!strcmp(bcm63xx_nvram_get_name(), "V2500V_BB")) {
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+ printk(KERN_INFO PFX "V2500V: nvram bank 0\n");
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+ boot_addr = tmp_boot_addr;
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+ }
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+ }
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/* dump cfe version */
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cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
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--- a/arch/mips/bcm63xx/dev-flash.c
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+++ b/arch/mips/bcm63xx/dev-flash.c
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@@ -19,6 +19,7 @@
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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+#include <bcm63xx_board.h>
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#include <bcm63xx_cpu.h>
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#include <bcm63xx_dev_flash.h>
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#include <bcm63xx_dev_hsspi.h>
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@@ -207,6 +208,13 @@ int __init bcm63xx_flash_register(int nu
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val = bcm_mpi_readl(MPI_CSBASE_REG(0));
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val &= MPI_CSBASE_BASE_MASK;
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+ /* BT Voyager 2500V has 8 Meg flash in two 4 Meg banks */
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+ /* Loading from CFE always uses Bank 0 */
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+ if (!strcmp(board_get_name(), "V2500V_BB")) {
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+ pr_info("V2500V: Start in Bank 0\n");
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+ val = val + 0x400000; // Select Bank 0 start address
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+ }
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+
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mtd_resources[0].start = val;
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mtd_resources[0].end = 0x1FFFFFFF;
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