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Boot tested on Comtrend AR-5387un: https://gist.github.com/Noltari/57e5030455da8dc38e61f8c3a5922254 Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> [jonas.gorski: make 4.19 an optional testing version; add gcc 8.3 fix] Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
62 lines
1.8 KiB
Diff
62 lines
1.8 KiB
Diff
From 8a30097a899b975709f728666d5ad20c8b832d21 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Sun, 9 Mar 2014 04:28:14 +0100
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Subject: [PATCH 43/44] MIPS: BCM63XX: allow board implementations to force
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flash address
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Allow board implementations to force the physmap address.
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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arch/mips/bcm63xx/dev-flash.c | 19 ++++++++++++++-----
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.../mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h | 2 ++
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2 files changed, 16 insertions(+), 5 deletions(-)
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--- a/arch/mips/bcm63xx/dev-flash.c
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+++ b/arch/mips/bcm63xx/dev-flash.c
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@@ -58,6 +58,12 @@ static struct platform_device mtd_dev =
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},
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};
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+void __init bcm63xx_flash_force_phys_base_address(u32 start, u32 end)
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+{
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+ mtd_resources[0].start = start;
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+ mtd_resources[0].end = end;
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+}
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+
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static int __init bcm63xx_detect_flash_type(void)
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{
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u32 val;
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@@ -172,12 +178,15 @@ int __init bcm63xx_flash_register(void)
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switch (flash_type) {
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case BCM63XX_FLASH_TYPE_PARALLEL:
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- /* read base address of boot chip select (0) */
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- val = bcm_mpi_readl(MPI_CSBASE_REG(0));
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- val &= MPI_CSBASE_BASE_MASK;
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- mtd_resources[0].start = val;
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- mtd_resources[0].end = 0x1FFFFFFF;
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+ if (!mtd_resources[0].start) {
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+ /* read base address of boot chip select (0) */
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+ val = bcm_mpi_readl(MPI_CSBASE_REG(0));
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+ val &= MPI_CSBASE_BASE_MASK;
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+
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+ mtd_resources[0].start = val;
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+ mtd_resources[0].end = 0x1FFFFFFF;
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+ }
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return platform_device_register(&mtd_dev);
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case BCM63XX_FLASH_TYPE_SERIAL:
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--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
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+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
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@@ -10,6 +10,8 @@ enum {
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void bcm63xx_flash_detect(void);
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+void bcm63xx_flash_force_phys_base_address(u32 start, u32 end);
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+
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int __init bcm63xx_flash_register(void);
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#endif /* __BCM63XX_FLASH_H */
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