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-rw-r--r--roms/u-boot/board/freescale/imx8qxp_mek/imx8qxp_mek.c170
1 files changed, 170 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/imx8qxp_mek/imx8qxp_mek.c b/roms/u-boot/board/freescale/imx8qxp_mek/imx8qxp_mek.c
new file mode 100644
index 000000000..21cfa142f
--- /dev/null
+++ b/roms/u-boot/board/freescale/imx8qxp_mek/imx8qxp_mek.c
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 NXP
+ */
+
+#include <common.h>
+#include <cpu_func.h>
+#include <env.h>
+#include <errno.h>
+#include <init.h>
+#include <asm/global_data.h>
+#include <linux/delay.h>
+#include <linux/libfdt.h>
+#include <fsl_esdhc_imx.h>
+#include <fdt_support.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sci/sci.h>
+#include <asm/arch/imx8-pins.h>
+#include <asm/arch/snvs_security_sc.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 UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << 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))
+
+static iomux_cfg_t uart0_pads[] = {
+ SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+ SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+ imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
+}
+
+int board_early_init_f(void)
+{
+ sc_pm_clock_rate_t rate = SC_80MHZ;
+ int ret;
+
+ /* Set UART0 clock root to 80 MHz */
+ ret = sc_pm_setup_uart(SC_R_UART_0, rate);
+ if (ret)
+ return ret;
+
+ setup_iomux_uart();
+
+ return 0;
+}
+
+#if CONFIG_IS_ENABLED(DM_GPIO)
+static void board_gpio_init(void)
+{
+ struct gpio_desc desc;
+ int ret;
+
+ ret = dm_gpio_lookup_name("gpio@1a_3", &desc);
+ if (ret)
+ return;
+
+ ret = dm_gpio_request(&desc, "bb_per_rst_b");
+ if (ret)
+ return;
+
+ dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
+ dm_gpio_set_value(&desc, 0);
+ udelay(50);
+ dm_gpio_set_value(&desc, 1);
+}
+#else
+static inline void board_gpio_init(void) {}
+#endif
+
+#if IS_ENABLED(CONFIG_FEC_MXC)
+#include <miiphy.h>
+
+int board_phy_config(struct phy_device *phydev)
+{
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
+
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
+
+ if (phydev->drv->config)
+ phydev->drv->config(phydev);
+
+ return 0;
+}
+#endif
+
+int checkboard(void)
+{
+ puts("Board: iMX8QXP MEK\n");
+
+ build_info();
+ print_bootinfo();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ board_gpio_init();
+
+#ifdef CONFIG_IMX_SNVS_SEC_SC_AUTO
+ {
+ int ret = snvs_security_sc_init();
+
+ if (ret)
+ return ret;
+ }
+#endif
+
+ return 0;
+}
+
+/*
+ * Board specific reset that is system reset.
+ */
+void reset_cpu(void)
+{
+ /* TODO */
+}
+
+#ifdef CONFIG_OF_BOARD_SETUP
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+ return 0;
+}
+#endif
+
+int board_mmc_get_env_dev(int devno)
+{
+ return devno;
+}
+
+int board_late_init(void)
+{
+ char *fdt_file;
+ bool m4_booted;
+
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+ env_set("board_name", "MEK");
+ env_set("board_rev", "iMX8QXP");
+#endif
+
+ fdt_file = env_get("fdt_file");
+ m4_booted = m4_parts_booted();
+
+ if (fdt_file && !strcmp(fdt_file, "undefined")) {
+ if (m4_booted)
+ env_set("fdt_file", "imx8qxp-mek-rpmsg.dtb");
+ else
+ env_set("fdt_file", "imx8qxp-mek.dtb");
+ }
+
+ return 0;
+}