openwrtv3/target/linux/brcm47xx/patches-4.9/034-firmware-bcm47xx_nvram-support-small-0x6000-B-NVRAM-.patch
Rafał Miłecki b1f5dd34ed brcm47xx: backport upstream patches for Netgear WNR1000 V3
This includes fix for reading NVRAM content.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2018-04-23 13:33:09 +02:00

24 lines
946 B
Diff

From 663beaeacf2552ed07405e69e96a18775e069eab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Sun, 8 Apr 2018 22:51:08 +0200
Subject: [PATCH] firmware: bcm47xx_nvram: support small (0x6000 B) NVRAM
partitions
Some old devices with 4 MiB flashes were using 0x1000 block size and
could use smaller (0x6000 bytes) flash partition for storing NVRAM
content. This adds support for reading NVRAM on Netgear WNR1000 V3.
---
drivers/firmware/broadcom/bcm47xx_nvram.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/firmware/broadcom/bcm47xx_nvram.c
+++ b/drivers/firmware/broadcom/bcm47xx_nvram.c
@@ -36,7 +36,7 @@ struct nvram_header {
static char nvram_buf[NVRAM_SPACE];
static size_t nvram_len;
-static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
+static const u32 nvram_sizes[] = {0x6000, 0x8000, 0xF000, 0x10000};
static u32 find_nvram_size(void __iomem *end)
{