The memory access to RAS is necessary for the operation of the peripherals instantiated inside RAS. Enable this clock to make macb work
Signed-off-by: Vipin Kumar vipin.kumar@st.com --- arch/arm/cpu/arm926ejs/spear/cpu.c | 5 +++++ arch/arm/include/asm/arch-spear/misc.h | 3 +++ 2 files changed, 8 insertions(+)
diff --git a/arch/arm/cpu/arm926ejs/spear/cpu.c b/arch/arm/cpu/arm926ejs/spear/cpu.c index 59655f5..8d3472b 100644 --- a/arch/arm/cpu/arm926ejs/spear/cpu.c +++ b/arch/arm/cpu/arm926ejs/spear/cpu.c @@ -94,6 +94,11 @@ int arch_cpu_init(void)
writel(periph1_clken, &misc_p->periph1_clken);
+#if defined(CONFIG_SOC_SPEAR310) || defined(CONFIG_SOC_SPEAR320) + writel(readl(&misc_p->amem_cfg_ctrl) | MISC_AMEM_CLKENB, + &misc_p->amem_cfg_ctrl); +#endif + /* Early driver initializations */ #if defined(CONFIG_ST_SMI) smi_init(); diff --git a/arch/arm/include/asm/arch-spear/misc.h b/arch/arm/include/asm/arch-spear/misc.h index bb97650..266897e 100644 --- a/arch/arm/include/asm/arch-spear/misc.h +++ b/arch/arm/include/asm/arch-spear/misc.h @@ -157,6 +157,9 @@ struct misc_regs { #define MISC_PRISOCID_SHFT 16 #define MISC_SECSOCID_SHFT 8
+/* amem_cfg_ctrl */ +#define MISC_AMEM_CLKENB 0x00000001 + /* synth_clk */ #define MISC_SYNTH23 0x00020003