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Diffstat (limited to 'arch/arm/mach-rockchip/rk3288/rk3288.c')
-rw-r--r--arch/arm/mach-rockchip/rk3288/rk3288.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/arch/arm/mach-rockchip/rk3288/rk3288.c b/arch/arm/mach-rockchip/rk3288/rk3288.c
index a725abc5a5..7941ca68a6 100644
--- a/arch/arm/mach-rockchip/rk3288/rk3288.c
+++ b/arch/arm/mach-rockchip/rk3288/rk3288.c
@@ -3,16 +3,31 @@
* Copyright (c) 2016 Rockchip Electronics Co., Ltd
*/
#include <asm/io.h>
-#include <asm/arch/hardware.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/grf_rk3288.h>
-#define GRF_SOC_CON2 0xff77024c
+#define GRF_BASE 0xff770000
int arch_cpu_init(void)
{
/* We do some SoC one time setting here. */
+ struct rk3288_grf * const grf = (void *)GRF_BASE;
/* Use rkpwm by default */
- rk_setreg(GRF_SOC_CON2, 1 << 0);
+ rk_setreg(&grf->soc_con2, 1 << 0);
return 0;
}
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+void board_debug_uart_init(void)
+{
+ /* Enable early UART on the RK3288 */
+ struct rk3288_grf * const grf = (void *)GRF_BASE;
+
+ rk_clrsetreg(&grf->gpio7ch_iomux, GPIO7C7_MASK << GPIO7C7_SHIFT |
+ GPIO7C6_MASK << GPIO7C6_SHIFT,
+ GPIO7C7_UART2DBG_SOUT << GPIO7C7_SHIFT |
+ GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT);
+}
+#endif