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f323dec4f8
Runtime-tested on Comtrend AR-5387un. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
69 lines
2.3 KiB
Diff
69 lines
2.3 KiB
Diff
From d59120f23279ef62a48d9f94847254b061d0a8b6 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Sat, 7 Dec 2013 14:30:59 +0100
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Subject: [PATCH 22/45] MIPS: BCM63XX: detect BCM6328 variants
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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arch/mips/bcm63xx/cpu.c | 10 ++++++++++
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arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h | 8 ++++++--
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2 files changed, 16 insertions(+), 2 deletions(-)
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--- a/arch/mips/bcm63xx/cpu.c
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+++ b/arch/mips/bcm63xx/cpu.c
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@@ -305,6 +305,7 @@ void __init bcm63xx_cpu_init(void)
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unsigned int tmp;
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unsigned int cpu = smp_processor_id();
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u32 chipid_reg;
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+ u8 __maybe_unused varid = 0;
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/* soc registers location depends on cpu type */
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chipid_reg = 0;
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@@ -344,6 +345,7 @@ void __init bcm63xx_cpu_init(void)
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bcm63xx_cpu_id = (tmp & REV_CHIPID_MASK) >> REV_CHIPID_SHIFT;
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bcm63xx_cpu_variant = bcm63xx_cpu_id;
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bcm63xx_cpu_rev = (tmp & REV_REVID_MASK) >> REV_REVID_SHIFT;
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+ varid = (tmp & REV_VARID_MASK) >> REV_VARID_SHIFT;
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switch (bcm63xx_cpu_id) {
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case BCM3368_CPU_ID:
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@@ -353,6 +355,14 @@ void __init bcm63xx_cpu_init(void)
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case BCM6328_CPU_ID:
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bcm63xx_regs_base = bcm6328_regs_base;
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bcm63xx_irqs = bcm6328_irqs;
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+
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+ if (varid == 1)
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+ bcm63xx_cpu_variant = BCM63281_CPU_ID;
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+ else if (varid == 3)
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+ bcm63xx_cpu_variant = BCM63283_CPU_ID;
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+ else
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+ pr_warn("unknown BCM6328 variant: %x\n", varid);
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+
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break;
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case BCM6338_CPU_ID:
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bcm63xx_regs_base = bcm6338_regs_base;
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--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
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+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
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@@ -12,6 +12,8 @@
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*/
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#define BCM3368_CPU_ID 0x3368
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#define BCM6328_CPU_ID 0x6328
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+#define BCM63281_CPU_ID 0x63281
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+#define BCM63283_CPU_ID 0x63283
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#define BCM6338_CPU_ID 0x6338
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#define BCM6345_CPU_ID 0x6345
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#define BCM6348_CPU_ID 0x6348
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@@ -86,8 +88,10 @@ static inline u16 __pure bcm63xx_get_cpu
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#define BCMCPU_VARIANT_IS_3368() \
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(bcm63xx_get_cpu_variant() == BCM3368_CPU_ID)
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-#define BCMCPU_VARIANT_IS_6328() \
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- (bcm63xx_get_cpu_variant() == BCM6328_CPU_ID)
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+#define BCMCPU_VARIANT_IS_63281() \
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+ (bcm63xx_get_cpu_variant() == BCM63281_CPU_ID)
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+#define BCMCPU_VARIANT_IS_63283() \
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+ (bcm63xx_get_cpu_variant() == BCM63283_CPU_ID)
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#define BCMCPU_VARIANT_IS_6338() \
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(bcm63xx_get_cpu_variant() == BCM6338_CPU_ID)
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#define BCMCPU_VARIANT_IS_6345() \
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