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domenico
2025-06-24 13:14:22 +02:00
commit 4002f145fc
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target/linux/bcm63xx/patches-5.4/332-MIPS-BCM63XX-detect-BCM6328-variants.patch Normal file
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@@ -0,0 +1,68 @@
From d59120f23279ef62a48d9f94847254b061d0a8b6 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sat, 7 Dec 2013 14:30:59 +0100
Subject: [PATCH 22/45] MIPS: BCM63XX: detect BCM6328 variants
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
arch/mips/bcm63xx/cpu.c | 10 ++++++++++
arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h | 8 ++++++--
2 files changed, 16 insertions(+), 2 deletions(-)
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -305,6 +305,7 @@ void __init bcm63xx_cpu_init(void)
unsigned int tmp;
unsigned int cpu = smp_processor_id();
u32 chipid_reg;
+ u8 __maybe_unused varid = 0;
/* soc registers location depends on cpu type */
chipid_reg = 0;
@@ -344,6 +345,7 @@ void __init bcm63xx_cpu_init(void)
bcm63xx_cpu_id = (tmp & REV_CHIPID_MASK) >> REV_CHIPID_SHIFT;
bcm63xx_cpu_variant = bcm63xx_cpu_id;
bcm63xx_cpu_rev = (tmp & REV_REVID_MASK) >> REV_REVID_SHIFT;
+ varid = (tmp & REV_VARID_MASK) >> REV_VARID_SHIFT;
switch (bcm63xx_cpu_id) {
case BCM3368_CPU_ID:
@@ -353,6 +355,14 @@ void __init bcm63xx_cpu_init(void)
case BCM6328_CPU_ID:
bcm63xx_regs_base = bcm6328_regs_base;
bcm63xx_irqs = bcm6328_irqs;
+
+ if (varid == 1)
+ bcm63xx_cpu_variant = BCM63281_CPU_ID;
+ else if (varid == 3)
+ bcm63xx_cpu_variant = BCM63283_CPU_ID;
+ else
+ pr_warn("unknown BCM6328 variant: %x\n", varid);
+
break;
case BCM6338_CPU_ID:
bcm63xx_regs_base = bcm6338_regs_base;
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -12,6 +12,8 @@
*/
#define BCM3368_CPU_ID 0x3368
#define BCM6328_CPU_ID 0x6328
+#define BCM63281_CPU_ID 0x63281
+#define BCM63283_CPU_ID 0x63283
#define BCM6338_CPU_ID 0x6338
#define BCM6345_CPU_ID 0x6345
#define BCM6348_CPU_ID 0x6348
@@ -86,8 +88,10 @@ static inline u16 __pure bcm63xx_get_cpu
#define BCMCPU_VARIANT_IS_3368() \
(bcm63xx_get_cpu_variant() == BCM3368_CPU_ID)
-#define BCMCPU_VARIANT_IS_6328() \
- (bcm63xx_get_cpu_variant() == BCM6328_CPU_ID)
+#define BCMCPU_VARIANT_IS_63281() \
+ (bcm63xx_get_cpu_variant() == BCM63281_CPU_ID)
+#define BCMCPU_VARIANT_IS_63283() \
+ (bcm63xx_get_cpu_variant() == BCM63283_CPU_ID)
#define BCMCPU_VARIANT_IS_6338() \
(bcm63xx_get_cpu_variant() == BCM6338_CPU_ID)
#define BCMCPU_VARIANT_IS_6345() \