rockchip: rk3188: move usb uart init into arch_cpu_init()
The SoC feature init will be better to use arch_cpu_init() and
goes to soc file.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/rk3188/rk3188.c b/arch/arm/mach-rockchip/rk3188/rk3188.c
index 933484e..f7e12a9 100644
--- a/arch/arm/mach-rockchip/rk3188/rk3188.c
+++ b/arch/arm/mach-rockchip/rk3188/rk3188.c
@@ -7,11 +7,12 @@
#include <asm/arch-rockchip/grf_rk3188.h>
#include <asm/arch-rockchip/hardware.h>
+#define GRF_BASE 0x20008000
+
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
void board_debug_uart_init(void)
{
/* Enable early UART on the RK3188 */
-#define GRF_BASE 0x20008000
struct rk3188_grf * const grf = (void *)GRF_BASE;
enum {
GPIO1B1_SHIFT = 2,
@@ -34,3 +35,28 @@
GPIO1B0_UART2_SIN << GPIO1B0_SHIFT);
}
#endif
+
+int arch_cpu_init(void)
+{
+#ifdef CONFIG_ROCKCHIP_USB_UART
+ struct rk3188_grf * const grf = (void *)GRF_BASE;
+
+ rk_clrsetreg(&grf->uoc0_con[0],
+ SIDDQ_MASK | UOC_DISABLE_MASK | COMMON_ON_N_MASK,
+ 1 << SIDDQ_SHIFT | 1 << UOC_DISABLE_SHIFT |
+ 1 << COMMON_ON_N_SHIFT);
+ rk_clrsetreg(&grf->uoc0_con[2],
+ SOFT_CON_SEL_MASK, 1 << SOFT_CON_SEL_SHIFT);
+ rk_clrsetreg(&grf->uoc0_con[3],
+ OPMODE_MASK | XCVRSELECT_MASK |
+ TERMSEL_FULLSPEED_MASK | SUSPENDN_MASK,
+ OPMODE_NODRIVING << OPMODE_SHIFT |
+ XCVRSELECT_FSTRANSC << XCVRSELECT_SHIFT |
+ 1 << TERMSEL_FULLSPEED_SHIFT |
+ 1 << SUSPENDN_SHIFT);
+ rk_clrsetreg(&grf->uoc0_con[0],
+ BYPASSSEL_MASK | BYPASSDMEN_MASK,
+ 1 << BYPASSSEL_SHIFT | 1 << BYPASSDMEN_SHIFT);
+#endif
+ return 0;
+}