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52 lines
1.6 KiB
Diff
52 lines
1.6 KiB
Diff
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From d3cdd75072bc5df5b18dcafb45cbe9a3a62b840b Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Fri, 18 Nov 2011 00:17:46 +0000
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Subject: [PATCH 19/27] MIPS: ath79: Store the SoC revision in a global variable
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Knowing the exact revision of the SoC is required to make runtime decisions
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in various code paths. We have determined the SoC revision already, so we
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only need to store that in a global variable.
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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Cc: Imre Kaloz <kaloz@openwrt.org>
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Cc: linux-mips@linux-mips.org
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Patchwork: https://patchwork.linux-mips.org/patch/3027/
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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---
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arch/mips/ath79/common.c | 1 +
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arch/mips/ath79/setup.c | 2 ++
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arch/mips/include/asm/mach-ath79/ath79.h | 1 +
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3 files changed, 4 insertions(+), 0 deletions(-)
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--- a/arch/mips/ath79/common.c
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+++ b/arch/mips/ath79/common.c
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@@ -30,6 +30,7 @@ u32 ath79_ddr_freq;
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EXPORT_SYMBOL_GPL(ath79_ddr_freq);
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enum ath79_soc_type ath79_soc;
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+unsigned int ath79_soc_rev;
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void __iomem *ath79_pll_base;
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void __iomem *ath79_reset_base;
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--- a/arch/mips/ath79/setup.c
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+++ b/arch/mips/ath79/setup.c
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@@ -149,6 +149,8 @@ static void __init ath79_detect_sys_type
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panic("ath79: unknown SoC, id:0x%08x\n", id);
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}
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+ ath79_soc_rev = rev;
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+
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sprintf(ath79_sys_type, "Atheros AR%s rev %u", chip, rev);
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pr_info("SoC: %s\n", ath79_sys_type);
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}
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--- a/arch/mips/include/asm/mach-ath79/ath79.h
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+++ b/arch/mips/include/asm/mach-ath79/ath79.h
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@@ -32,6 +32,7 @@ enum ath79_soc_type {
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};
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extern enum ath79_soc_type ath79_soc;
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+extern unsigned int ath79_soc_rev;
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static inline int soc_is_ar71xx(void)
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{
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