From: Vipin KUMAR vipin.kumar@st.com
uboot needs gpt for timer operations. This clock was enabled from previous level booting software until now. This patch enables it in uboot explicitly
Signed-off-by: Vipin Kumar vipin.kumar@st.com --- arch/arm/cpu/arm926ejs/spear/cpu.c | 6 ++++++ arch/arm/include/asm/arch-spear/spr_misc.h | 2 ++ 2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/spear/cpu.c b/arch/arm/cpu/arm926ejs/spear/cpu.c index 0f66e05..4dc7d69 100644 --- a/arch/arm/cpu/arm926ejs/spear/cpu.c +++ b/arch/arm/cpu/arm926ejs/spear/cpu.c @@ -35,6 +35,12 @@ int arch_cpu_init(void)
periph1_clken = readl(&misc_p->periph1_clken);
+#if defined(CONFIG_SPEAR3XX) + periph1_clken |= MISC_GPT2ENB; +#elif defined(CONFIG_SPEAR600) + periph1_clken |= MISC_GPT3ENB; +#endif + #if defined(CONFIG_PL011_SERIAL) periph1_clken |= MISC_UART0ENB; #endif diff --git a/arch/arm/include/asm/arch-spear/spr_misc.h b/arch/arm/include/asm/arch-spear/spr_misc.h index 045d2bb..b10c726 100644 --- a/arch/arm/include/asm/arch-spear/spr_misc.h +++ b/arch/arm/include/asm/arch-spear/spr_misc.h @@ -128,6 +128,8 @@ struct misc_regs { #define MISC_USBDENB 0x01000000 #define MISC_ETHENB 0x00800000 #define MISC_SMIENB 0x00200000 +#define MISC_GPT3ENB 0x00010000 +#define MISC_GPT2ENB 0x00000800 #define MISC_FSMCENB 0x00000200 #define MISC_I2CENB 0x00000080 #define MISC_UART0ENB 0x00000008