mx7ulp: Add support for Embedded Artists COM board
[oweals/u-boot.git] / board / ea / mx7ulp_com / mx7ulp_com.c
diff --git a/board/ea/mx7ulp_com/mx7ulp_com.c b/board/ea/mx7ulp_com/mx7ulp_com.c
new file mode 100644 (file)
index 0000000..6fc1631
--- /dev/null
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mx7ulp-pins.h>
+#include <asm/arch/iomux.h>
+#include <asm/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL          (PAD_CTL_PUS_UP)
+
+int dram_init(void)
+{
+       gd->ram_size = imx_ddr_size();
+
+       return 0;
+}
+
+static iomux_cfg_t const lpuart4_pads[] = {
+       MX7ULP_PAD_PTC3__LPUART4_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+       MX7ULP_PAD_PTC2__LPUART4_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+       mx7ulp_iomux_setup_multiple_pads(lpuart4_pads,
+                                        ARRAY_SIZE(lpuart4_pads));
+}
+
+int board_early_init_f(void)
+{
+       setup_iomux_uart();
+
+       return 0;
+}
+
+int board_init(void)
+{
+       /* address of boot parameters */
+       gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+       return 0;
+}