imx: imx7ulp: add EVK board support
Add EVK board support.
Add the evk dts file.
LOG:
U-Boot 2017.03-rc2-00038-gab86c1d (Feb 22 2017 - 15:59:58 +0800)
CPU: Freescale i.MX7ULP rev1.0 at 500 MHz
Reset cause: POR
Boot mode: Dual boot
Model: NXP i.MX7ULP EVK
DRAM: 1 GiB
MMC: FSL_SDHC: 0
In: serial@402D0000
Out: serial@402D0000
Err: serial@402D0000
Net: Net Initialization Skipped
No ethernet found.
Hit any key to stop autoboot: 0
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/board/freescale/mx7ulp_evk/mx7ulp_evk.c b/board/freescale/mx7ulp_evk/mx7ulp_evk.c
new file mode 100644
index 0000000..3618715
--- /dev/null
+++ b/board/freescale/mx7ulp_evk/mx7ulp_evk.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mx7ulp-pins.h>
+#include <asm/arch/iomux.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL (PAD_CTL_PUS_UP)
+
+int dram_init(void)
+{
+ gd->ram_size = PHYS_SDRAM_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;
+}