imx: imx8qm/imx8qxp: Power down the resources before SPL jump to u-boot

[oweals/u-boot.git] / board / freescale / imx8qxp_mek / spl.c

diff --git a/board/freescale/imx8qxp_mek/spl.c b/board/freescale/imx8qxp_mek/spl.c
index cb4006eb2a40dc3cef6fdfd4130f2c8477a5d120..32b61095b0671689951dda7251dcec7fc6daf51b 100644 (file)
--- a/board/freescale/imx8qxp_mek/spl.c
+++ b/board/freescale/imx8qxp_mek/spl.c
@@ -12,9 +12,25 @@
 #include <dm/uclass-internal.h>
 #include <dm/device-internal.h>
 #include <dm/lists.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/arch/sci/sci.h>
+#include <asm/arch/imx8-pins.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/sys_proto.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#define GPIO_PAD_CTRL  ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \
+                        (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
+                        (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
+                        (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
+
+#define USDHC2_SD_PWR IMX_GPIO_NR(4, 19)
+static iomux_cfg_t usdhc2_sd_pwr[] = {
+       SC_P_USDHC1_RESET_B | MUX_PAD_CTRL(GPIO_PAD_CTRL),
+};
+
 void spl_board_init(void)
 {
        struct udevice *dev;
@@ -32,11 +48,19 @@ void spl_board_init(void)
 
        timer_init();
 
+       imx8_iomux_setup_multiple_pads(usdhc2_sd_pwr, ARRAY_SIZE(usdhc2_sd_pwr));
+       gpio_direction_output(USDHC2_SD_PWR, 0);
+
        preloader_console_init();
 
        puts("Normal Boot\n");
 }
 
+void spl_board_prepare_for_boot(void)
+{
+       imx_power_off_pd_devices(NULL, 0);
+}
+
 #ifdef CONFIG_SPL_LOAD_FIT
 int board_fit_config_name_match(const char *name)
 {