openwrtv3/target/linux/brcm63xx/patches-3.10/511-board_V2500V.patch
Jonas Gorski 1315058bda brcm63xx: fix spi flash setup on (at least) some reference boards
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
2014-01-13 12:14:12 +00:00

123 lines
3.2 KiB
Diff

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