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authorJonas Gorski <jonas.gorski@gmail.com>2018-01-13 13:18:10 +0100
committerJonas Gorski <jonas.gorski@gmail.com>2018-02-11 23:15:05 +0100
commitb0c5e8b9274188bf3bb238e013e324542ee747c4 (patch)
tree4cd32d3be6ef96eaa069d2e6cd52b625da07def1 /target/linux/brcm63xx/patches-4.9/364-MIPS-BCM63XX-allow-board-files-to-provide-sprom-fixu.patch
parenta27d59bb427466311fe7e69da3f0f53be18237aa (diff)
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brcm63xx: add kernel 4.9 support
Add support for kernel 4.9 based on the more upstream comformant partition defintions. Increases compressed kernel size by ~95k compared to 4.4. Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Diffstat (limited to 'target/linux/brcm63xx/patches-4.9/364-MIPS-BCM63XX-allow-board-files-to-provide-sprom-fixu.patch')
-rw-r--r--target/linux/brcm63xx/patches-4.9/364-MIPS-BCM63XX-allow-board-files-to-provide-sprom-fixu.patch67
1 files changed, 67 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-4.9/364-MIPS-BCM63XX-allow-board-files-to-provide-sprom-fixu.patch b/target/linux/brcm63xx/patches-4.9/364-MIPS-BCM63XX-allow-board-files-to-provide-sprom-fixu.patch
new file mode 100644
index 0000000000..74c2846d5f
--- /dev/null
+++ b/target/linux/brcm63xx/patches-4.9/364-MIPS-BCM63XX-allow-board-files-to-provide-sprom-fixu.patch
@@ -0,0 +1,67 @@
+From 8575548b08e33c9ff4fd540abec09dd177e33682 Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jogo@openwrt.org>
+Date: Thu, 31 Jul 2014 19:12:33 +0200
+Subject: [PATCH 09/10] MIPS: BCM63XX: allow board files to provide sprom
+ fixups
+
+Allow board_info files to supply fixups for the base sproms to adapt
+them to the actual used sprom contents in case they do not use the
+default ones.
+
+Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+---
+ arch/mips/bcm63xx/sprom.c | 14 +++++++++++++-
+ .../mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.h | 8 ++++++++
+ 2 files changed, 21 insertions(+), 1 deletion(-)
+
+--- a/arch/mips/bcm63xx/sprom.c
++++ b/arch/mips/bcm63xx/sprom.c
+@@ -883,6 +883,14 @@ static int sprom_extract(struct ssb_spro
+ return 0;
+ }
+
++void sprom_apply_fixups(u16 *sprom, struct sprom_fixup *fixups, int n)
++{
++ unsigned int i;
++
++ for (i = 0; i < n; i++)
++ sprom[fixups[i].offset] = fixups[i].value;
++}
++
+ static __initdata u16 template_sprom[220];
+ #endif
+
+@@ -961,8 +969,12 @@ int __init bcm63xx_register_fallback_spr
+ return -EINVAL;
+ }
+
+- if (size > 0)
++ if (size > 0) {
++ sprom_apply_fixups(template_sprom, data->board_fixups,
++ data->num_board_fixups);
++
+ sprom_extract(&bcm63xx_sprom, template_sprom, size);
++ }
+
+ memcpy(bcm63xx_sprom.il0mac, data->mac_addr, ETH_ALEN);
+ memcpy(bcm63xx_sprom.et0mac, data->mac_addr, ETH_ALEN);
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.h
+@@ -21,9 +21,17 @@ enum sprom_type {
+ SPROM_BCM4331,
+ };
+
++struct sprom_fixup {
++ u16 offset;
++ u16 value;
++};
++
+ struct fallback_sprom_data {
+ u8 mac_addr[ETH_ALEN];
+ enum sprom_type type;
++
++ struct sprom_fixup *board_fixups;
++ unsigned int num_board_fixups;
+ };
+
+ int bcm63xx_register_fallback_sprom(struct fallback_sprom_data *data);