42 lines
1.6 KiB
Diff
42 lines
1.6 KiB
Diff
From f6eefaa4a08ec27c69485c2fc4db23247b84f8c9 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Tue, 1 May 2012 14:10:39 +0200
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Subject: [PATCH v2 3/3] MTD: bcm63xxpart: use nvram for PSI size
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Read out the SPI size from nvram instead of defaulting to 64K - some
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vendors actually use values larger than the "max" value of 64.
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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drivers/mtd/bcm63xxpart.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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--- a/drivers/mtd/bcm63xxpart.c
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+++ b/drivers/mtd/bcm63xxpart.c
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@@ -4,7 +4,7 @@
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* Copyright © 2006-2008 Florian Fainelli <florian@openwrt.org>
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* Mike Albon <malbon@openwrt.org>
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* Copyright © 2009-2010 Daniel Dickinson <openwrt@cshore.neomailbox.net>
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- * Copyright © 2011-2012 Jonas Gorski <jonas.gorski@gmail.com>
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+ * Copyright © 2011-2013 Jonas Gorski <jonas.gorski@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@@ -34,6 +34,7 @@
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#include <linux/mtd/partitions.h>
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#include <linux/bcm963xx_tag.h>
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+#include <asm/mach-bcm63xx/bcm63xx_nvram.h>
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#include <asm/mach-bcm63xx/board_bcm963xx.h>
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#define BCM63XX_EXTENDED_SIZE 0xBFC00000 /* Extended flash address */
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@@ -91,7 +92,8 @@ static int bcm63xx_parse_cfe_partitions(
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BCM63XX_CFE_BLOCK_SIZE);
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cfelen = cfe_erasesize;
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- nvramlen = cfe_erasesize;
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+ nvramlen = bcm63xx_nvram_get_psi_size();
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+ nvramlen = roundup(nvramlen, cfe_erasesize);
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/* Allocate memory for buffer */
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buf = vmalloc(sizeof(struct bcm_tag));
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