diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.9/044-MIPS-BCM63XX-Enable-second-core-SMP-on-BCM6328-if-av.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.9/044-MIPS-BCM63XX-Enable-second-core-SMP-on-BCM6328-if-av.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.9/044-MIPS-BCM63XX-Enable-second-core-SMP-on-BCM6328-if-av.patch b/target/linux/brcm63xx/patches-3.9/044-MIPS-BCM63XX-Enable-second-core-SMP-on-BCM6328-if-av.patch new file mode 100644 index 0000000000..45a82f52f3 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.9/044-MIPS-BCM63XX-Enable-second-core-SMP-on-BCM6328-if-av.patch @@ -0,0 +1,55 @@ +From 41fa6dec9df9b4e55ac522c899270a72e51a9b4b Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Sat, 9 Jul 2011 12:15:06 -0700 +Subject: [PATCH V2 2/2] MIPS: BCM63XX: Enable second core SMP on BCM6328 if + available + +BCM6328 has a OTP which tells us if the second core is available. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> +--- + arch/mips/bcm63xx/prom.c | 6 +++++- + arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h | 2 ++ + arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 7 +++++++ + 3 files changed, 14 insertions(+), 1 deletion(-) + +--- a/arch/mips/bcm63xx/prom.c ++++ b/arch/mips/bcm63xx/prom.c +@@ -69,7 +69,11 @@ void __init prom_init(void) + * for now. + */ + if (BCMCPU_IS_6328()) { +- bmips_smp_enabled = 0; ++ reg = bcm_readl(BCM_6328_OTP_BASE + ++ OTP_USER_BITS_6328_REG(3)); ++ ++ if (reg & OTP_6328_REG3_TP1_DISABLED) ++ bmips_smp_enabled = 0; + } else if (BCMCPU_IS_6358()) { + bmips_smp_enabled = 0; + } +--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h ++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h +@@ -296,6 +296,8 @@ enum bcm63xx_regs_set { + #define BCM_6328_PCMDMAS_BASE (0xdeadbeef) + #define BCM_6328_RNG_BASE (0xdeadbeef) + #define BCM_6328_MISC_BASE (0xb0001800) ++#define BCM_6328_OTP_BASE (0xb0000600) ++ + /* + * 6338 register sets base address + */ +--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h ++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +@@ -1477,4 +1477,11 @@ + + #define PCIE_DEVICE_OFFSET 0x8000 + ++/************************************************************************* ++ * _REG relative to RSET_OTP ++ *************************************************************************/ ++ ++#define OTP_USER_BITS_6328_REG(i) (0x20 + (i) * 4) ++#define OTP_6328_REG3_TP1_DISABLED BIT(9) ++ + #endif /* BCM63XX_REGS_H_ */ |