diff options
Diffstat (limited to 'target/linux/bcm63xx/patches-5.15/531-board_bcm6348-bt-voyager-2500v-bb.patch')
-rw-r--r-- | target/linux/bcm63xx/patches-5.15/531-board_bcm6348-bt-voyager-2500v-bb.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/target/linux/bcm63xx/patches-5.15/531-board_bcm6348-bt-voyager-2500v-bb.patch b/target/linux/bcm63xx/patches-5.15/531-board_bcm6348-bt-voyager-2500v-bb.patch new file mode 100644 index 0000000000..39728c45e4 --- /dev/null +++ b/target/linux/bcm63xx/patches-5.15/531-board_bcm6348-bt-voyager-2500v-bb.patch @@ -0,0 +1,49 @@ +--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c ++++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c +@@ -3230,6 +3230,22 @@ void __init board_bcm963xx_init(void) + val &= MPI_CSBASE_BASE_MASK; + } + boot_addr = (u8 *)KSEG1ADDR(val); ++ pr_info("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")) { ++ pr_info("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 +@@ -21,6 +21,7 @@ + #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_regs.h> +@@ -256,6 +257,13 @@ int __init bcm63xx_flash_register(void) + 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; + } |