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- 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
- @@ -710,6 +710,10 @@ 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
- */
- @@ -721,6 +725,7 @@ 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
- @@ -760,6 +765,16 @@ 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
- @@ -249,3 +249,21 @@ 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
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