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67 lines
1.8 KiB
67 lines
1.8 KiB
From 8575548b08e33c9ff4fd540abec09dd177e33682 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Thu, 31 Jul 2014 19:12:33 +0200
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Subject: [PATCH 09/10] MIPS: BCM63XX: allow board files to provide sprom
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fixups
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Allow board_info files to supply fixups for the base sproms to adapt
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them to the actual used sprom contents in case they do not use the
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default ones.
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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arch/mips/bcm63xx/sprom.c | 14 +++++++++++++-
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.../mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.h | 8 ++++++++
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2 files changed, 21 insertions(+), 1 deletion(-)
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--- a/arch/mips/bcm63xx/sprom.c
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+++ b/arch/mips/bcm63xx/sprom.c
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@@ -883,6 +883,14 @@ static int sprom_extract(struct ssb_spro
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return 0;
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}
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+void sprom_apply_fixups(u16 *sprom, struct sprom_fixup *fixups, int n)
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+{
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+ unsigned int i;
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+
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+ for (i = 0; i < n; i++)
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+ sprom[fixups[i].offset] = fixups[i].value;
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+}
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+
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static __initdata u16 template_sprom[220];
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#endif
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@@ -961,8 +969,12 @@ int __init bcm63xx_register_fallback_spr
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return -EINVAL;
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}
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- if (size > 0)
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+ if (size > 0) {
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+ sprom_apply_fixups(template_sprom, data->board_fixups,
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+ data->num_board_fixups);
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+
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sprom_extract(&bcm63xx_sprom, template_sprom, size);
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+ }
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memcpy(bcm63xx_sprom.et0mac, data->mac_addr, ETH_ALEN);
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memcpy(bcm63xx_sprom.et0mac, data->mac_addr, ETH_ALEN);
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--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.h
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+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.h
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@@ -21,9 +21,17 @@ enum sprom_type {
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SPROM_BCM4331,
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};
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+struct sprom_fixup {
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+ u16 offset;
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+ u16 value;
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+};
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+
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struct fallback_sprom_data {
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u8 mac_addr[ETH_ALEN];
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enum sprom_type type;
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+
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+ struct sprom_fixup *board_fixups;
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+ unsigned int num_board_fixups;
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};
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int bcm63xx_register_fallback_sprom(struct fallback_sprom_data *data);
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