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authorTom Rini <trini@konsulko.com>2019-04-30 23:21:27 -0400
committerTom Rini <trini@konsulko.com>2019-05-01 07:25:51 -0400
commitb4ee6daad7a2604ca9466b2ba48de86cc27d381f (patch)
treef28b8d6bfeface9e9f188ffc37322c89e9d1fe77 /board/freescale/imx8qm_mek/imx8qm_mek.c
parenta69120a0d7c8d4044cdaceea9eb03913ba4e49c7 (diff)
parent0d3912fcd41dc2a85891f78e8fc255a379323619 (diff)
Merge tag 'u-boot-imx-20190426' of git://git.denx.de/u-boot-imx
Porting to DM and i.MX8 ------------------------ - warp7 to DM - kp_imx53 to DM - Warnings in DT - MX8QM support - colibri-imx6ull to DM - imx7d-pico to DM - ocotp for MX8
Diffstat (limited to 'board/freescale/imx8qm_mek/imx8qm_mek.c')
-rw-r--r--board/freescale/imx8qm_mek/imx8qm_mek.c157
1 files changed, 157 insertions, 0 deletions
diff --git a/board/freescale/imx8qm_mek/imx8qm_mek.c b/board/freescale/imx8qm_mek/imx8qm_mek.c
new file mode 100644
index 0000000000..e69efc4dd6
--- /dev/null
+++ b/board/freescale/imx8qm_mek/imx8qm_mek.c
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 NXP
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <linux/libfdt.h>
+#include <environment.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/iomux.h>
+#include <asm/arch/sys_proto.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#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)
+{
+ int ret;
+ /* Set UART0 clock root to 80 MHz */
+ sc_pm_clock_rate_t rate = 80000000;
+
+ /* Power up UART0 */
+ ret = sc_pm_set_resource_power_mode(-1, SC_R_UART_0, SC_PM_PW_MODE_ON);
+ if (ret)
+ return ret;
+
+ ret = sc_pm_set_clock_rate(-1, SC_R_UART_0, 2, &rate);
+ if (ret)
+ return ret;
+
+ /* Enable UART0 clock root */
+ ret = sc_pm_clock_enable(-1, SC_R_UART_0, 2, true, false);
+ if (ret)
+ return ret;
+
+ setup_iomux_uart();
+
+ sc_pm_set_resource_power_mode(-1, SC_R_GPIO_5, SC_PM_PW_MODE_ON);
+
+ return 0;
+}
+
+#if IS_ENABLED(CONFIG_DM_GPIO)
+static void board_gpio_init(void)
+{
+ /* TODO */
+}
+#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, 0x00);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
+ 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
+
+void build_info(void)
+{
+ u32 sc_build = 0, sc_commit = 0;
+
+ /* Get SCFW build and commit id */
+ sc_misc_build_info(-1, &sc_build, &sc_commit);
+ if (!sc_build) {
+ printf("SCFW does not support build info\n");
+ sc_commit = 0; /* Display 0 when the build info is not supported*/
+ }
+ printf("Build: SCFW %x\n", sc_commit);
+}
+
+int checkboard(void)
+{
+ puts("Board: iMX8QM MEK\n");
+
+ build_info();
+ print_bootinfo();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* Power up base board */
+ sc_pm_set_resource_power_mode(-1, SC_R_BOARD_R1, SC_PM_PW_MODE_ON);
+
+ board_gpio_init();
+
+ return 0;
+}
+
+void detail_board_ddr_info(void)
+{
+ puts("\nDDR ");
+}
+
+/*
+ * Board specific reset that is system reset.
+ */
+void reset_cpu(ulong addr)
+{
+ /* TODO */
+}
+
+#ifdef CONFIG_OF_BOARD_SETUP
+int ft_board_setup(void *blob, bd_t *bd)
+{
+ return 0;
+}
+#endif
+
+int board_mmc_get_env_dev(int devno)
+{
+ return devno;
+}
+
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+ env_set("board_name", "MEK");
+ env_set("board_rev", "iMX8QM");
+#endif
+
+ return 0;
+}