1 files changed, 154 insertions, 0 deletions
diff --git a/board/toradex/apalis-imx8x/apalis-imx8x.c b/board/toradex/apalis-imx8x/apalis-imx8x.c
new file mode 100644
index 0000000..739d2e5
--- /dev/null
+++ b/board/toradex/apalis-imx8x/apalis-imx8x.c
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 Toradex
+ */
+
+#include <common.h>
+#include <cpu_func.h>
+#include <init.h>
+
+#include <asm/arch/clock.h>
+#include <asm/arch/imx8-pins.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/sci/sci.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <env.h>
+#include <errno.h>
+#include <linux/libfdt.h>
+
+#include "../common/tdx-cfg-block.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 uart1_pads[] = {
+	SC_P_UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+	SC_P_UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+	imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+}
+
+void board_mem_get_layout(u64 *phys_sdram_1_start,
+			  u64 *phys_sdram_1_size,
+			  u64 *phys_sdram_2_start,
+			  u64 *phys_sdram_2_size)
+{
+	u32 is_dualx = 0, val = 0;
+	sc_err_t scierr = sc_misc_otp_fuse_read(-1, 6, &val);
+
+	if (scierr == SC_ERR_NONE) {
+		/* DX has two A35 cores disabled */
+		is_dualx = (val & 0xf) != 0x0;
+	}
+
+	*phys_sdram_1_start = PHYS_SDRAM_1;
+	if (is_dualx)
+		/* Our DX based SKUs only have 1 GB RAM */
+		*phys_sdram_1_size = SZ_1G;
+	else
+		*phys_sdram_1_size = PHYS_SDRAM_1_SIZE;
+	*phys_sdram_2_start = PHYS_SDRAM_2;
+	*phys_sdram_2_size = PHYS_SDRAM_2_SIZE;
+}
+
+int board_early_init_f(void)
+{
+	sc_pm_clock_rate_t rate;
+	sc_err_t err = 0;
+
+	/*
+	 * This works around that having only UART3 up the baudrate is 1.2M
+	 * instead of 115.2k. Set UART0 clock root to 80 MHz
+	 */
+	rate = 80000000;
+	err = sc_pm_set_clock_rate(-1, SC_R_UART_0, SC_PM_CLK_PER, &rate);
+	if (err != SC_ERR_NONE)
+		return 0;
+
+	/* Set UART3 clock root to 80 MHz and enable it */
+	rate = SC_80MHZ;
+	err = sc_pm_setup_uart(SC_R_UART_1, rate);
+	if (err != SC_ERR_NONE)
+		return 0;
+
+	setup_iomux_uart();
+
+	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)
+{
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+
+	return 0;
+}
+#endif
+
+int checkboard(void)
+{
+	puts("Model: Toradex Apalis iMX8X\n");
+
+	build_info();
+	print_bootinfo();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	board_gpio_init();
+
+	return 0;
+}
+
+/*
+ * Board specific reset that is system reset.
+ */
+void reset_cpu(ulong addr)
+{
+	/* TODO */
+}
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+	return ft_common_board_setup(blob, bd);
+}
+#endif
+
+int board_mmc_get_env_dev(int devno)
+{
+	return devno;
+}
+
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+/* TODO move to common */
+	env_set("board_name", "Apalis iMX8X");
+#endif
+
+	return 0;
+}