diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.4/368-MIPS-BCM63XX-add-support-for-matching-the-board_info.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.4/368-MIPS-BCM63XX-add-support-for-matching-the-board_info.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-4.4/368-MIPS-BCM63XX-add-support-for-matching-the-board_info.patch b/target/linux/brcm63xx/patches-4.4/368-MIPS-BCM63XX-add-support-for-matching-the-board_info.patch new file mode 100644 index 0000000000..37327899ae --- /dev/null +++ b/target/linux/brcm63xx/patches-4.4/368-MIPS-BCM63XX-add-support-for-matching-the-board_info.patch @@ -0,0 +1,95 @@ +From 25bf2b5836c892f091651d8a3384c9c57ce1b400 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Thu, 26 Jun 2014 12:51:00 +0200 +Subject: [PATCH 46/48] MIPS: BCM63XX: add support for matching the board_info + by dtb + +Allow using the passed dtb's compatible property to match board_info +structs instead of nvram's boardname field, which is not unique anyway. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> +--- + arch/mips/bcm63xx/boards/board_bcm963xx.c | 15 +++++++++++++++ + arch/mips/bcm63xx/boards/board_common.c | 18 ++++++++++++++++++ + arch/mips/bcm63xx/boards/board_common.h | 3 +++ + 3 files changed, 36 insertions(+) + +--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c ++++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c +@@ -711,6 +711,10 @@ static const struct board_info __initcon + #endif + }; + ++static struct of_device_id const bcm963xx_boards_dt[] = { ++ { }, ++}; ++ + /* + * early init callback, read nvram data from flash and checksum it + */ +@@ -722,6 +726,7 @@ void __init board_bcm963xx_init(void) + char *board_name = NULL; + u32 val; + struct bcm_hcs *hcs; ++ const struct of_device_id *board_match; + + /* read base address of boot chip select (0) + * 6328/6362 do not have MPI but boot from a fixed address +@@ -761,6 +766,16 @@ void __init board_bcm963xx_init(void) + } else { + board_name = bcm63xx_nvram_get_name(); + } ++ ++ /* find board by compat */ ++ board_match = bcm63xx_match_board(bcm963xx_boards_dt); ++ if (board_match) { ++ board_early_setup(board_match->data, ++ bcm63xx_nvram_get_mac_address); ++ ++ return; ++ } ++ + /* find board by name */ + for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) { + if (strncmp(board_name, bcm963xx_boards[i]->name, 16)) +--- a/arch/mips/bcm63xx/boards/board_common.c ++++ b/arch/mips/bcm63xx/boards/board_common.c +@@ -250,3 +250,21 @@ int __init board_register_devices(void) + + return 0; + } ++ ++const struct of_device_id * __init bcm63xx_match_board(const struct of_device_id *m) ++{ ++ const struct of_device_id *match; ++ unsigned long dt_root; ++ ++ if (!IS_ENABLED(CONFIG_OF) || !initial_boot_params) ++ return NULL; ++ ++ dt_root = of_get_flat_dt_root(); ++ ++ for (match = m; match->compatible[0]; match++) { ++ if (of_flat_dt_is_compatible(dt_root, match->compatible)) ++ return match; ++ } ++ ++ return NULL; ++} +--- a/arch/mips/bcm63xx/boards/board_common.h ++++ b/arch/mips/bcm63xx/boards/board_common.h +@@ -1,11 +1,14 @@ + #ifndef __BOARD_COMMON_H + #define __BOARD_COMMON_H + ++#include <linux/of.h> + #include <board_bcm963xx.h> + + void board_early_setup(const struct board_info *board, + int (*get_mac_address)(u8 mac[ETH_ALEN])); + ++const struct of_device_id *bcm63xx_match_board(const struct of_device_id *); ++ + #if defined(CONFIG_BOARD_BCM963XX) + void board_bcm963xx_init(void); + #else |