ayufan: rock64: add board_init_sdmmc_pwr_en to configure iomux in SPL…

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ayufan-rock64 · May 27, 2019 · 62351dc · 62351dc
1 parent 05a8e06
commit 62351dc
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Showing 3 changed files with 39 additions and 2 deletions.
diff --git a/arch/arm/mach-rockchip/rk3328-board-spl.c b/arch/arm/mach-rockchip/rk3328-board-spl.c
@@ -18,12 +18,34 @@
 #include <asm/arch/periph.h>
 #include <asm/arch/timer.h>
 
+#define GRF_BASE		0xFF100000
+
 DECLARE_GLOBAL_DATA_PTR;
 
 void board_debug_uart_init(void)
 {
 }
 
+void board_init_sdmmc_pwr_en(void)
+{
+	struct rk3328_grf_regs * const grf = (void *)GRF_BASE;
+
+	printf("board_init_sdmmc_pwr_en\n");
+
+	rk_clrsetreg(&grf->com_iomux,
+		IOMUX_SEL_SDMMC_MASK,
+		IOMUX_SEL_SDMMC_M1 << IOMUX_SEL_SDMMC_SHIFT);
+
+	rk_clrsetreg(&grf->gpio0d_iomux,
+		GPIO0D6_SEL_MASK,
+		GPIO0D6_GPIO << GPIO0D6_SEL_SHIFT);
+
+	rk_clrsetreg(&grf->gpio1a_iomux,
+		GPIO1A0_SEL_MASK,
+		GPIO1A0_CARD_DATA_CLK_CMD_DETN
+		<< GPIO1A0_SEL_SHIFT);
+}
+
 void board_init_f(ulong dummy)
 {
 	struct udevice *dev;
@@ -36,6 +58,7 @@ void board_init_f(ulong dummy)
 	}
 
 	preloader_console_init();
+	board_init_sdmmc_pwr_en();
 
 	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
 	if (ret) {

diff --git a/arch/arm/mach-rockchip/rk3328/rk3328.c b/arch/arm/mach-rockchip/rk3328/rk3328.c
@@ -102,6 +102,16 @@ int board_init(void)
 		     IOMUX_SEL_UART2_M1 << IOMUX_SEL_UART2_SHIFT |
 		     IOMUX_SEL_SDMMC_M1 << IOMUX_SEL_SDMMC_SHIFT);
 
+	// TODO: hack me
+	rk_clrsetreg(&grf->gpio0d_iomux,
+		GPIO0D6_SEL_MASK,
+		GPIO0D6_GPIO << GPIO0D6_SEL_SHIFT);
+
+	rk_clrsetreg(&grf->gpio1a_iomux,
+		GPIO1A0_SEL_MASK,
+		GPIO1A0_CARD_DATA_CLK_CMD_DETN
+		<< GPIO1A0_SEL_SHIFT);
+
 	ret = regulators_enable_boot_on(false);
 	if (ret)
 		debug("%s: Cannot enable boot on regulator\n", __func__);

diff --git a/drivers/pinctrl/rockchip/pinctrl_rk3328.c b/drivers/pinctrl/rockchip/pinctrl_rk3328.c
@@ -181,14 +181,18 @@ static void pinctrl_rk3328_sdmmc_config(struct rk3328_grf_regs *grf,
 		break;
 	case PERIPH_ID_SDCARD:
 		/* SDMMC_PWREN use GPIO and init as regulator-fiexed  */
-		if (com_iomux & IOMUX_SEL_SDMMC_MASK)
+		if (com_iomux & IOMUX_SEL_SDMMC_MASK) {
+			printf("GPIO0D6_GPIO\n");
 			rk_clrsetreg(&grf->gpio0d_iomux,
 				     GPIO0D6_SEL_MASK,
 				     GPIO0D6_GPIO << GPIO0D6_SEL_SHIFT);
-		else
+		}
+		else {
 			rk_clrsetreg(&grf->gpio2a_iomux,
 				     GPIO2A7_SEL_MASK,
 				     GPIO2A7_GPIO << GPIO2A7_SEL_SHIFT);
+			printf("GPIO2A7_GPIO\n");
+		}
 		rk_clrsetreg(&grf->gpio1a_iomux,
 			     GPIO1A0_SEL_MASK,
 			     GPIO1A0_CARD_DATA_CLK_CMD_DETN