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 the boot time.
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
arch/arm/mach-rockchip/Makefile | 2 +- arch/arm/mach-rockchip/rk3036-board-spl.c | 29 ++++++++++++++++++++--- include/configs/rk3036_common.h | 7 +++--- 3 files changed, 31 insertions(+), 7 deletions(-)
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile index 933b0a182a..2a0db0af80 100644 --- a/arch/arm/mach-rockchip/Makefile +++ b/arch/arm/mach-rockchip/Makefile @@ -42,7 +42,7 @@ endif obj-$(CONFIG_$(SPL_TPL_)RAM) += sdram_common.o
ifndef CONFIG_ARM64 -ifeq ($(CONFIG_ROCKCHIP_RK3188)$(CONFIG_ROCKCHIP_RK322X),) +ifeq ($(CONFIG_ROCKCHIP_RK3188)$(CONFIG_ROCKCHIP_RK322X)$(CONFIG_ROCKCHIP_RK3036),) obj-y += rk_timer.o endif endif diff --git a/arch/arm/mach-rockchip/rk3036-board-spl.c b/arch/arm/mach-rockchip/rk3036-board-spl.c index 110d06dba5..fbc89b66c4 100644 --- a/arch/arm/mach-rockchip/rk3036-board-spl.c +++ b/arch/arm/mach-rockchip/rk3036-board-spl.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * (C) Copyright 2015 Rockchip Electronics Co., Ltd + * (C) Copyright 2015-2019 Rockchip Electronics Co., Ltd */
#include <common.h> @@ -8,14 +8,37 @@ #include <asm/io.h> #include <asm/arch-rockchip/bootrom.h> #include <asm/arch-rockchip/sdram_rk3036.h> -#include <asm/arch-rockchip/timer.h> + +#define TIMER_LOAD_COUNT_L 0x00 +#define TIMER_LOAD_COUNT_H 0x04 +#define TIMER_CONTROL_REG 0x10 +#define TIMER_EN 0x1 +#define TIMER_FMODE (0 << 1) +#define TIMER_RMODE (1 << 1) + +void rockchip_stimer_init(void) +{ + 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) { #ifdef CONFIG_DEBUG_UART debug_uart_init(); #endif - rockchip_timer_init(); + + /* Init secure timer */ + rockchip_stimer_init(); + /* Init ARM arch timer in arch/arm/cpu/armv7/arch_timer.c */ + timer_init(); + sdram_init();
/* return to maskrom */ diff --git a/include/configs/rk3036_common.h b/include/configs/rk3036_common.h index f5d09d18e5..73be079b20 100644 --- a/include/configs/rk3036_common.h +++ b/include/configs/rk3036_common.h @@ -12,9 +12,10 @@ #define CONFIG_SYS_CBSIZE 1024 #define CONFIG_SKIP_LOWLEVEL_INIT
-#define CONFIG_SYS_TIMER_RATE (24 * 1000 * 1000) -#define CONFIG_SYS_TIMER_BASE 0x200440a0 /* TIMER5 */ -#define CONFIG_SYS_TIMER_COUNTER (CONFIG_SYS_TIMER_BASE + 8) +#define CONFIG_ROCKCHIP_STIMER_BASE 0x200440a0 +#define COUNTER_FREQUENCY 24000000 +#define CONFIG_SYS_ARCH_TIMER +#define CONFIG_SYS_HZ_CLOCK 24000000
#define CONFIG_SYS_INIT_SP_ADDR 0x60100000 #define CONFIG_SYS_LOAD_ADDR 0x60800800