diff options
| author | Kever Yang <kever.yang@rock-chips.com> | 2019-07-09 22:00:26 +0800 |
|---|---|---|
| committer | Kever Yang <kever.yang@rock-chips.com> | 2019-07-20 23:59:44 +0800 |
| commit | ae5a3659f38acd7537c0ae86c7217b9cf40595fb (patch) | |
| tree | d6e53367182af6c48d12c5fca90c1d45009196ff /arch/arm/mach-rockchip/rk3288-board-spl.c | |
| parent | 002d897fb143826e48c59342428748c556dcbda0 (diff) | |
rockchip: rk3288: use ARM arch timer instead of rk_timer
We prefer to use ARM arch timer instead of rockchip timer, so that
we are using the same timer for SPL, U-Boot and Kernel, which will
make things simple and easy to track to boot time.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Diffstat (limited to 'arch/arm/mach-rockchip/rk3288-board-spl.c')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3288-board-spl.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/arch/arm/mach-rockchip/rk3288-board-spl.c b/arch/arm/mach-rockchip/rk3288-board-spl.c index 3869de9119..c2e168192c 100644 --- a/arch/arm/mach-rockchip/rk3288-board-spl.c +++ b/arch/arm/mach-rockchip/rk3288-board-spl.c @@ -22,7 +22,6 @@ #include <asm/arch-rockchip/sdram.h> #include <asm/arch-rockchip/sdram_common.h> #include <asm/arch-rockchip/sys_proto.h> -#include <asm/arch-rockchip/timer.h> #include <dm/root.h> #include <dm/test.h> #include <dm/util.h> @@ -108,6 +107,31 @@ __weak int arch_cpu_init(void) return 0; } +#define TIMER_LOAD_COUNT_L 0x00 +#define TIMER_LOAD_COUNT_H 0x04 +#define TIMER_CONTROL_REG 0x10 +#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; + + asm volatile("mcr p15, 0, %0, c14, c0, 0" + : : "r"(COUNTER_FREQUENCY)); + + writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG); + writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE); + writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + 4); + writel(TIMER_EN | TIMER_FMODE, CONFIG_ROCKCHIP_STIMER_BASE + + TIMER_CONTROL_REG); +} + void board_init_f(ulong dummy) { struct udevice *dev; @@ -131,7 +155,11 @@ void board_init_f(ulong dummy) hang(); } - rockchip_timer_init(); + /* Init secure timer */ + rockchip_stimer_init(); + /* Init ARM arch timer in arch/arm/cpu/armv7/arch_timer.c */ + timer_init(); + arch_cpu_init(); ret = rockchip_get_clk(&dev); |