f323dec4f8
Runtime-tested on Comtrend AR-5387un. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
50 lines
1.6 KiB
Diff
50 lines
1.6 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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@@ -3230,6 +3230,22 @@ void __init board_bcm963xx_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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+ pr_info("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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+ pr_info("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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@@ -21,6 +21,7 @@
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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_regs.h>
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@@ -256,6 +257,13 @@ int __init bcm63xx_flash_register(void)
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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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}
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