Add out4.ru O4-iMX-NANO board
Board designed for quick prototyping and has one microSD port,
2 Ethernet ports, 2 USB ports, I2C, SPI, CAN, RS-485, GPIO,
UART interfaces, and 2 RGB LEDs.
Signed-off-by: Oleh Kravchenko <oleg@kaa.org.ua>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c b/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c
new file mode 100644
index 0000000..fec1755
--- /dev/null
+++ b/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (C) 2021 Oleh Kravchenko <oleg@kaa.org.ua>
+
+#include <asm/arch-mx6/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/global_data.h>
+#include <asm/mach-imx/boot_mode.h>
+#include <common.h>
+#include <env.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+ gd->ram_size = imx_ddr_size();
+
+ return 0;
+}
+
+int board_early_init_f(void)
+{
+ return 0;
+}
+
+static int setup_fec_clock(void)
+{
+ if (IS_ENABLED(CONFIG_FEC_MXC) && !IS_ENABLED(CONFIG_CLK_IMX6Q)) {
+ struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+ int ret;
+
+ /*
+ * Use 50M anatop loopback REF_CLK1 for ENET1,
+ * clear gpr1[13], set gpr1[17].
+ */
+ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
+ IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
+
+ ret = enable_fec_anatop_clock(0, ENET_50MHZ);
+ if (ret)
+ return ret;
+
+ /*
+ * Use 50M anatop loopback REF_CLK2 for ENET2,
+ * clear gpr1[14], set gpr1[18].
+ */
+ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
+ IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
+
+ ret = enable_fec_anatop_clock(1, ENET_50MHZ);
+ if (ret)
+ return ret;
+
+ enable_enet_clk(1);
+ }
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* Address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ return setup_fec_clock();
+}
+
+int board_late_init(void)
+{
+ if (IS_ENABLED(CONFIG_CMD_BMODE))
+ add_board_boot_modes(NULL);
+
+ if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
+ const char *model;
+
+ model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
+ if (model)
+ env_set("board_name", model);
+ }
+
+ if (is_boot_from_usb()) {
+ env_set("bootcmd", "run bootcmd_mfg");
+ env_set("bootdelay", "0");
+ }
+
+ return 0;
+}