diff options
| -rw-r--r-- | target/linux/brcm47xx/patches-2.6.37/017-MIPS-BCM47xx-bmips4kc_fix.patch | 63 | ||||
| -rw-r--r-- | target/linux/brcm47xx/patches-2.6.37/150-cpu_fixes.patch | 6 |
2 files changed, 37 insertions, 32 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.37/017-MIPS-BCM47xx-bmips4kc_fix.patch b/target/linux/brcm47xx/patches-2.6.37/017-MIPS-BCM47xx-bmips4kc_fix.patch index 08f5f853e..049de9dca 100644 --- a/target/linux/brcm47xx/patches-2.6.37/017-MIPS-BCM47xx-bmips4kc_fix.patch +++ b/target/linux/brcm47xx/patches-2.6.37/017-MIPS-BCM47xx-bmips4kc_fix.patch @@ -1,47 +1,52 @@ +From 1ff5904f725e9816b5ff2b5ade1d6326558d8e01 Mon Sep 17 00:00:00 2001 +From: Kevin Cernekee <cernekee@gmail.com> +To: Ralf Baechle <ralf@linux-mips.org> +Cc: <linux-mips@linux-mips.org>, <linux-kernel@vger.kernel.org> +Date: Mon, 22 Nov 2010 21:41:28 -0800 +Subject: [PATCH 7/7] MIPS: Fix regression on BCM4710 processor detection + +BCM4710 uses the BMIPS32 core (like BCM6345), not the MIPS 4Kc core as +was previously believed. + +Signed-off-by: Kevin Cernekee <cernekee@gmail.com> +--- + arch/mips/include/asm/cpu.h | 4 ++-- + arch/mips/kernel/cpu-probe.c | 7 ++----- + 2 files changed, 4 insertions(+), 7 deletions(-) + --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h -@@ -111,7 +111,7 @@ +@@ -111,8 +111,8 @@ * These are the PRID's for when 23:16 == PRID_COMP_BROADCOM */ -#define PRID_IMP_BMIPS4KC 0x4000 -+#define PRID_IMP_BCM4710 0x4000 - #define PRID_IMP_BMIPS32 0x8000 +-#define PRID_IMP_BMIPS32 0x8000 ++#define PRID_IMP_BMIPS32_REV4 0x4000 ++#define PRID_IMP_BMIPS32_REV8 0x8000 #define PRID_IMP_BMIPS3300 0x9000 #define PRID_IMP_BMIPS3300_ALT 0x9100 -@@ -226,8 +226,8 @@ enum cpu_type_enum { - * MIPS32 class processors - */ - CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K, -- CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350, -- CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, -+ CPU_ALCHEMY, CPU_PR4450, CPU_BCM4710, CPU_BMIPS32, CPU_BMIPS3300, -+ CPU_BMIPS4350, CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, - - /* - * MIPS64 class processors + #define PRID_IMP_BMIPS3300_BUG 0x0000 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c -@@ -933,9 +933,9 @@ static inline void cpu_probe_broadcom(st +@@ -905,7 +905,8 @@ static inline void cpu_probe_broadcom(st + { + decode_configs(c); + switch (c->processor_id & 0xff00) { +- case PRID_IMP_BMIPS32: ++ case PRID_IMP_BMIPS32_REV4: ++ case PRID_IMP_BMIPS32_REV8: + c->cputype = CPU_BMIPS32; + __cpu_name[cpu] = "Broadcom BMIPS32"; + break; +@@ -933,10 +934,6 @@ static inline void cpu_probe_broadcom(st __cpu_name[cpu] = "Broadcom BMIPS5000"; c->options |= MIPS_CPU_ULRI; break; - case PRID_IMP_BMIPS4KC: - c->cputype = CPU_4KC; - __cpu_name[cpu] = "MIPS 4Kc"; -+ case PRID_IMP_BCM4710: -+ c->cputype = CPU_BCM4710; -+ __cpu_name[cpu] = "Broadcom BCM4710"; - break; +- break; } } ---- a/arch/mips/mm/tlbex.c -+++ b/arch/mips/mm/tlbex.c -@@ -338,6 +338,7 @@ static void __cpuinit build_tlb_write_en - case CPU_4KSC: - case CPU_20KC: - case CPU_25KF: -+ case CPU_BCM4710: - case CPU_BMIPS32: - case CPU_BMIPS3300: - case CPU_BMIPS4350: + diff --git a/target/linux/brcm47xx/patches-2.6.37/150-cpu_fixes.patch b/target/linux/brcm47xx/patches-2.6.37/150-cpu_fixes.patch index d791c7a1f..eac8fb99a 100644 --- a/target/linux/brcm47xx/patches-2.6.37/150-cpu_fixes.patch +++ b/target/linux/brcm47xx/patches-2.6.37/150-cpu_fixes.patch @@ -319,7 +319,7 @@ + /* Check if special workarounds are required */ +#ifdef CONFIG_BCM47XX -+ if (current_cpu_data.cputype == CPU_BCM4710 && (current_cpu_data.processor_id & 0xff) == 0) { ++ if (current_cpu_data.cputype == CPU_BMIPS32 && (current_cpu_data.processor_id & 0xff) == 0) { + printk("Enabling BCM4710A0 cache workarounds.\n"); + bcm4710 = 1; + } else @@ -345,7 +345,7 @@ } --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c -@@ -873,6 +873,9 @@ static void __cpuinit build_r4000_tlb_re +@@ -872,6 +872,9 @@ static void __cpuinit build_r4000_tlb_re /* No need for uasm_i_nop */ } @@ -355,7 +355,7 @@ #ifdef CONFIG_64BIT build_get_pmde64(&p, &l, &r, K0, K1); /* get pmd in K1 */ #else -@@ -1323,6 +1326,9 @@ build_r4000_tlbchange_handler_head(u32 * +@@ -1322,6 +1325,9 @@ build_r4000_tlbchange_handler_head(u32 * struct uasm_reloc **r, unsigned int pte, unsigned int ptr) { |