From: Ye Li ye.li@nxp.com
VPCIe_3V3 is used to supply the power to M.2 card, we must enable it before using the flash. The SD3_nRST is connected to reset pin of flash, must deassert (pull up) it.
Reviewed-by: Peng Fan peng.fan@nxp.com Signed-off-by: Ye Li ye.li@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com --- board/freescale/imx93_evk/imx93_evk.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/board/freescale/imx93_evk/imx93_evk.c b/board/freescale/imx93_evk/imx93_evk.c index 341831a7d30..08da1563f03 100644 --- a/board/freescale/imx93_evk/imx93_evk.c +++ b/board/freescale/imx93_evk/imx93_evk.c @@ -17,6 +17,7 @@ #include <dm/uclass.h> #include <usb.h> #include <dwc3-uboot.h> +#include <asm/gpio.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -48,11 +49,43 @@ int board_phy_config(struct phy_device *phydev) return 0; }
+static void board_gpio_init(void) +{ + struct gpio_desc desc; + int ret; + + /* Enable EXT1_PWREN for PCIE_3.3V */ + ret = dm_gpio_lookup_name("gpio@22_13", &desc); + if (ret) + return; + + ret = dm_gpio_request(&desc, "EXT1_PWREN"); + if (ret) + return; + + dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT); + dm_gpio_set_value(&desc, 1); + + /* Deassert SD3_nRST */ + ret = dm_gpio_lookup_name("gpio@22_12", &desc); + if (ret) + return; + + ret = dm_gpio_request(&desc, "SD3_nRST"); + if (ret) + return; + + dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT); + dm_gpio_set_value(&desc, 1); +} + int board_init(void) { if (IS_ENABLED(CONFIG_FEC_MXC)) setup_fec();
+ board_gpio_init(); + return 0; }