mirror of https://github.com/hak5/openwrt-owl.git
96 lines
2.7 KiB
Diff
96 lines
2.7 KiB
Diff
From 25bf2b5836c892f091651d8a3384c9c57ce1b400 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Thu, 26 Jun 2014 12:51:00 +0200
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Subject: [PATCH 46/48] MIPS: BCM63XX: add support for matching the board_info
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by dtb
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Allow using the passed dtb's compatible property to match board_info
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structs instead of nvram's boardname field, which is not unique anyway.
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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arch/mips/bcm63xx/boards/board_bcm963xx.c | 15 +++++++++++++++
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arch/mips/bcm63xx/boards/board_common.c | 18 ++++++++++++++++++
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arch/mips/bcm63xx/boards/board_common.h | 3 +++
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3 files changed, 36 insertions(+)
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--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
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+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
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@@ -715,6 +715,10 @@ static const struct board_info __initcon
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#endif
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};
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+static struct of_device_id const bcm963xx_boards_dt[] = {
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+ { },
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+};
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+
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/*
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* early init callback, read nvram data from flash and checksum it
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*/
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@@ -726,6 +730,7 @@ void __init board_bcm963xx_init(void)
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char *board_name = NULL;
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u32 val;
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struct bcm_hcs *hcs;
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+ const struct of_device_id *board_match;
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/* read base address of boot chip select (0)
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* 6328/6362 do not have MPI but boot from a fixed address
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@@ -765,6 +770,16 @@ void __init board_bcm963xx_init(void)
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} else {
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board_name = bcm63xx_nvram_get_name();
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}
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+
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+ /* find board by compat */
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+ board_match = bcm63xx_match_board(bcm963xx_boards_dt);
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+ if (board_match) {
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+ board_early_setup(board_match->data,
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+ bcm63xx_nvram_get_mac_address);
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+
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+ return;
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+ }
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+
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/* find board by name */
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for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
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if (strncmp(board_name, bcm963xx_boards[i]->name, 16))
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--- a/arch/mips/bcm63xx/boards/board_common.c
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+++ b/arch/mips/bcm63xx/boards/board_common.c
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@@ -281,3 +281,21 @@ int __init board_register_devices(void)
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return 0;
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}
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+
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+const struct of_device_id * __init bcm63xx_match_board(const struct of_device_id *m)
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+{
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+ const struct of_device_id *match;
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+ unsigned long dt_root;
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+
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+ if (!IS_ENABLED(CONFIG_OF) || !initial_boot_params)
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+ return NULL;
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+
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+ dt_root = of_get_flat_dt_root();
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+
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+ for (match = m; match->compatible[0]; match++) {
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+ if (of_flat_dt_is_compatible(dt_root, match->compatible))
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+ return match;
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+ }
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+
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+ return NULL;
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+}
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--- a/arch/mips/bcm63xx/boards/board_common.h
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+++ b/arch/mips/bcm63xx/boards/board_common.h
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@@ -1,11 +1,14 @@
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#ifndef __BOARD_COMMON_H
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#define __BOARD_COMMON_H
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+#include <linux/of.h>
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#include <board_bcm963xx.h>
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void board_early_setup(const struct board_info *board,
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int (*get_mac_address)(u8 mac[ETH_ALEN]));
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+const struct of_device_id *bcm63xx_match_board(const struct of_device_id *);
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+
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#if defined(CONFIG_BOARD_BCM963XX)
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void board_bcm963xx_init(void);
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#else
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