diff options
| author | Ye Li <ye.li@nxp.com> | 2022-09-20 17:33:37 +0800 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2022-09-28 21:04:05 +0800 |
| commit | 1f500a5967001ddfa72680b2711b6ae2b0110006 (patch) | |
| tree | a5c5596661c606c4ff7538331d79d8fbef57c8aa /board | |
| parent | ba4f72198f500ace451f714ee90ccb50e8ba6b9f (diff) | |
LFU-398-6 imx93_qsb: Enable M.2 VPCIe_3V3 and deassert SD3_nRST
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.
Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
(cherry picked from commit de9747a36721c2bb19a3f5ac5c3da3e580c78010)
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/imx93_qsb/imx93_qsb.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/board/freescale/imx93_qsb/imx93_qsb.c b/board/freescale/imx93_qsb/imx93_qsb.c index 9d6115afd8..b5cb2709fc 100644 --- a/board/freescale/imx93_qsb/imx93_qsb.c +++ b/board/freescale/imx93_qsb/imx93_qsb.c @@ -19,6 +19,7 @@ #include <dm/uclass.h> #include <usb.h> #include <dwc3-uboot.h> +#include <asm/gpio.h> DECLARE_GLOBAL_DATA_PTR; @@ -213,6 +214,36 @@ static int setup_eqos(void) return set_clk_eqos(ENET_125MHZ); } +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) { #ifdef CONFIG_USB_TCPC @@ -222,6 +253,8 @@ int board_init(void) if (CONFIG_IS_ENABLED(DWC_ETH_QOS)) setup_eqos(); + board_gpio_init(); + return 0; } |