diff options
Diffstat (limited to 'arch/arm/mach-rockchip/rk3399/rk3399.c')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3399/rk3399.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/rk3399/rk3399.c b/arch/arm/mach-rockchip/rk3399/rk3399.c index e1f9f8b8ef..0f09ea5c49 100644 --- a/arch/arm/mach-rockchip/rk3399/rk3399.c +++ b/arch/arm/mach-rockchip/rk3399/rk3399.c @@ -38,6 +38,35 @@ static struct mm_region rk3399_mem_map[] = { struct mm_region *mem_map = rk3399_mem_map; +#ifdef CONFIG_SPL_BUILD + +#define TIMER_END_COUNT_L 0x00 +#define TIMER_END_COUNT_H 0x04 +#define TIMER_INIT_COUNT_L 0x10 +#define TIMER_INIT_COUNT_H 0x14 +#define TIMER_CONTROL_REG 0x1c + +#define TIMER_EN 0x1 +#define TIMER_FMODE BIT(0) +#define TIMER_RMODE BIT(1) + +void rockchip_stimer_init(void) +{ + /* If Timer already enabled, don't re-init it */ + u32 reg = readl(CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG); + + if (reg & TIMER_EN) + return; + + writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_END_COUNT_L); + writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_END_COUNT_H); + writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_INIT_COUNT_L); + writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_INIT_COUNT_H); + writel(TIMER_EN | TIMER_FMODE, CONFIG_ROCKCHIP_STIMER_BASE + \ + TIMER_CONTROL_REG); +} +#endif + int dram_init_banksize(void) { size_t max_size = min((unsigned long)gd->ram_size, gd->ram_top); |