rockchip: rk3188: use DM timer instead of rk_timer

Disable rk_timer as SYS timer and use DM timer instead,
so that we can get a better timer framework, the rk_timer
is going to be clean after we conver to use DM timer or
ARM arch/generic timer.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

arch/arm/mach-rockchip/Makefile

@@ -40,8 +40,10 @@ endif
 obj-$(CONFIG_$(SPL_TPL_)RAM) += sdram_common.o
 
 ifndef CONFIG_ARM64
+ifndef CONFIG_ROCKCHIP_RK3188
 obj-y += rk_timer.o
 endif
+endif
 
 obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036/
 obj-$(CONFIG_ROCKCHIP_RK3128) += rk3128/

arch/arm/mach-rockchip/rk3188-board-spl.c

@@ -131,8 +131,6 @@ void board_init_f(ulong dummy)
 		hang();
 	}
 
-	rockchip_timer_init();
-
 	ret = rockchip_get_clk(&dev);
 	if (ret) {
 		debug("CLK init failed: %d\n", ret);

configs/rock_defconfig

@@ -5,6 +5,9 @@ CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SYS_TEXT_BASE=0x60000000
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_ROCKCHIP_RK3188=y
+CONFIG_TIMER=y
+CONFIG_SPL_TIMER=y
+CONFIG_ROCKCHIP_TIMER=y
 CONFIG_SPL_ROCKCHIP_BACK_TO_BROM=y
 CONFIG_TARGET_ROCK=y
 CONFIG_SPL_STACK_R_ADDR=0x60080000

include/configs/rk3188_common.h

@@ -17,11 +17,6 @@
 #define CONFIG_SYS_MALLOC_LEN		(32 << 20)
 #define CONFIG_SYS_CBSIZE		1024
 
-#define CONFIG_SYS_TIMER_RATE		(24 * 1000 * 1000)
-#define CONFIG_SYS_TIMER_BASE		0x2000e000 /* TIMER3 */
-#define CONFIG_SYS_TIMER_COUNTER	(CONFIG_SYS_TIMER_BASE + 8)
-#define CONFIG_SYS_TIMER_COUNTS_DOWN
-
 #define CONFIG_SYS_NS16550_MEM32
 
 #ifdef CONFIG_SPL_ROCKCHIP_BACK_TO_BROM