bcm63xx: add linux v5.15 support

[openwrt/staging/ldir.git] / target / linux / bcm63xx / patches-5.15 / 332-MIPS-BCM63XX-detect-BCM6328-variants.patch

diff --git a/target/linux/bcm63xx/patches-5.15/332-MIPS-BCM63XX-detect-BCM6328-variants.patch b/target/linux/bcm63xx/patches-5.15/332-MIPS-BCM63XX-detect-BCM6328-variants.patch
new file mode 100644 (file)
index 0000000..a05a4b3
--- /dev/null
+++ b/target/linux/bcm63xx/patches-5.15/332-MIPS-BCM63XX-detect-BCM6328-variants.patch
@@ -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() \