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>

5 files changed, 329 insertions, 0 deletions

diff --git a/board/out4/o4-imx6ull-nano/K4B4G1646D-BCMA.cfg b/board/out4/o4-imx6ull-nano/K4B4G1646D-BCMA.cfg
new file mode 100644
index 0000000..c0dcfe9
--- /dev/null
+++ b/board/out4/o4-imx6ull-nano/K4B4G1646D-BCMA.cfg
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (C) 2016 Freescale Semiconductor, Inc.
+// Copyright (C) 2021 Oleh Kravchenko <oleg@kaa.org.ua>
+
+#define __ASSEMBLY__
+#include <config.h>
+
+/* image version */
+
+IMAGE_VERSION	2
+BOOT_FROM	sd
+
+#ifdef CONFIG_IMX_HAB
+CSF CONFIG_CSF_SIZE
+#endif
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
+
+/* Enable all clocks */
+DATA 4 0x020c4068 0xffffffff
+DATA 4 0x020c406c 0xffffffff
+DATA 4 0x020c4070 0xffffffff
+DATA 4 0x020c4074 0xffffffff
+DATA 4 0x020c4078 0xffffffff
+DATA 4 0x020c407c 0xffffffff
+DATA 4 0x020c4080 0xffffffff
+
+/* Samsung K4B4G1646D-BCMA */
+DATA 4 0x020e04b4 0x000c0000
+DATA 4 0x020e04ac 0x00000000
+DATA 4 0x020e027c 0x00000030
+DATA 4 0x020e0250 0x00000030
+DATA 4 0x020e024c 0x00000030
+DATA 4 0x020e0490 0x00000030
+DATA 4 0x020e0288 0x000c0030
+DATA 4 0x020e0270 0x00000000
+DATA 4 0x020e0260 0x00000030
+DATA 4 0x020e0264 0x00000030
+DATA 4 0x020e04a0 0x00000030
+DATA 4 0x020e0494 0x00020000
+DATA 4 0x020e0280 0x00000030
+DATA 4 0x020e0284 0x00000030
+DATA 4 0x020e04b0 0x00020000
+DATA 4 0x020e0498 0x00000030
+DATA 4 0x020e04a4 0x00000030
+DATA 4 0x020e0244 0x00000030
+DATA 4 0x020e0248 0x00000030
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b0800 0xa1390003
+DATA 4 0x021b080c 0x00030009
+DATA 4 0x021b083c 0x01440148
+DATA 4 0x021b0848 0x40403640
+DATA 4 0x021b0850 0x4040322a
+DATA 4 0x021b081c 0x33333333
+DATA 4 0x021b0820 0x33333333
+DATA 4 0x021b082c 0xf3333333
+DATA 4 0x021b0830 0xf3333333
+DATA 4 0x021b08c0 0x00944009
+DATA 4 0x021b08b8 0x00000800
+DATA 4 0x021b0004 0x0002002d
+DATA 4 0x021b0008 0x1b333030
+DATA 4 0x021b000c 0x676b52f2
+DATA 4 0x021b0010 0x926d0b63
+DATA 4 0x021b0014 0x01ff00db
+DATA 4 0x021b0018 0x00211740
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b002c 0x000026d2
+DATA 4 0x021b0030 0x006b1023
+DATA 4 0x021b0040 0x0000004f
+DATA 4 0x021b0000 0x84180000
+DATA 4 0x021b0890 0x00400000
+DATA 4 0x021b001c 0x02008032
+DATA 4 0x021b001c 0x00008033
+DATA 4 0x021b001c 0x00048031
+DATA 4 0x021b001c 0x15108030
+DATA 4 0x021b001c 0x04008040
+DATA 4 0x021b0020 0x00007800
+DATA 4 0x021b0818 0x00000227
+DATA 4 0x021b0004 0x0002552d
+DATA 4 0x021b0404 0x00011006
+DATA 4 0x021b001c 0x00000000
diff --git a/board/out4/o4-imx6ull-nano/Kconfig b/board/out4/o4-imx6ull-nano/Kconfig
new file mode 100644
index 0000000..c2497d5
--- /dev/null
+++ b/board/out4/o4-imx6ull-nano/Kconfig
@@ -0,0 +1,57 @@
+if TARGET_O4_IMX6ULL_NANO
+
+config SYS_BOARD
+	default "o4-imx6ull-nano"
+
+config SYS_VENDOR
+	default "out4"
+
+config SYS_CONFIG_NAME
+	default "o4-imx6ull-nano"
+
+choice
+	prompt "Memory model"
+	default K4B4G1646D_BCMA
+	help
+	    Memory type setup.
+
+	    Please choose correct memory model here.
+
+config K4B4G1646D_BCMA
+	bool "K4B4G1646D-BCMA 256Mx16 (512 MiB/chip)"
+	help
+	    Samsung DDR3 SDRAM
+	    K4B4G1646D-BCMA
+
+config MT41K256M16HA_125E
+	bool "MT41K256M16HA-125:E 256Mx16 (512 MiB/chip)"
+	help
+	    Micron DDR3L SDRAM
+	    MT41K256M16HA-125:E
+
+endchoice
+
+choice
+	prompt "Mainboard model"
+	default O4_IMX_NANO
+	help
+	    Mainboard setup.
+
+	    Please choose correct main board model here.
+
+config O4_IMX_NANO
+	bool "O4-iMX-NANO"
+	help
+	    A baseboard for EV-iMX280-NANO module:
+	    https://out4.ru/products/board/18-o4-imx-nano.html
+
+endchoice
+
+config IMX_CONFIG
+	default "board/out4/o4-imx6ull-nano/K4B4G1646D-BCMA.cfg" if K4B4G1646D_BCMA
+	default "board/out4/o4-imx6ull-nano/MT41K256M16HA-125E.cfg" if MT41K256M16HA_125E
+
+config DEFAULT_DEVICE_TREE
+	default "o4-imx-nano" if O4_IMX_NANO
+
+endif
diff --git a/board/out4/o4-imx6ull-nano/MT41K256M16HA-125E.cfg b/board/out4/o4-imx6ull-nano/MT41K256M16HA-125E.cfg
new file mode 100644
index 0000000..6f823a7
--- /dev/null
+++ b/board/out4/o4-imx6ull-nano/MT41K256M16HA-125E.cfg
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (C) 2016 Freescale Semiconductor, Inc.
+// Copyright (C) 2021 Oleh Kravchenko <oleg@kaa.org.ua>
+
+#define __ASSEMBLY__
+#include <config.h>
+
+/* image version */
+
+IMAGE_VERSION	2
+BOOT_FROM	sd
+
+#ifdef CONFIG_IMX_HAB
+CSF CONFIG_CSF_SIZE
+#endif
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
+
+/* Enable all clocks */
+DATA 4 0x020c4068 0xffffffff
+DATA 4 0x020c406c 0xffffffff
+DATA 4 0x020c4070 0xffffffff
+DATA 4 0x020c4074 0xffffffff
+DATA 4 0x020c4078 0xffffffff
+DATA 4 0x020c407c 0xffffffff
+DATA 4 0x020c4080 0xffffffff
+
+/* Micron MT41K256M16HA-125:E */
+DATA 4 0x020e04b4 0x000c0000
+DATA 4 0x020e04ac 0x00000000
+DATA 4 0x020e027c 0x00000030
+DATA 4 0x020e0250 0x00000030
+DATA 4 0x020e024c 0x00000030
+DATA 4 0x020e0490 0x00000030
+DATA 4 0x020e0288 0x000c0030
+DATA 4 0x020e0270 0x00000000
+DATA 4 0x020e0260 0x00000030
+DATA 4 0x020e0264 0x00000030
+DATA 4 0x020e04a0 0x00000030
+DATA 4 0x020e0494 0x00020000
+DATA 4 0x020e0280 0x00000030
+DATA 4 0x020e0284 0x00000030
+DATA 4 0x020e04b0 0x00020000
+DATA 4 0x020e0498 0x00000030
+DATA 4 0x020e04a4 0x00000030
+DATA 4 0x020e0244 0x00000030
+DATA 4 0x020e0248 0x00000030
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b0800 0xa1390003
+DATA 4 0x021b080c 0x0005000b
+DATA 4 0x021b083c 0x01400144
+DATA 4 0x021b0848 0x4040343a
+DATA 4 0x021b0850 0x4040342a
+DATA 4 0x021b081c 0x33333333
+DATA 4 0x021b0820 0x33333333
+DATA 4 0x021b082c 0xf3333333
+DATA 4 0x021b0830 0xf3333333
+DATA 4 0x021b08c0 0x00944009
+DATA 4 0x021b08b8 0x00000800
+DATA 4 0x021b0004 0x0002002d
+DATA 4 0x021b0008 0x1b333030
+DATA 4 0x021b000c 0x676b52f2
+DATA 4 0x021b0010 0x91eb0b63
+DATA 4 0x021b0014 0x01ff00db
+DATA 4 0x021b0018 0x00211740
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b002c 0x000026d2
+DATA 4 0x021b0030 0x006b1023
+DATA 4 0x021b0040 0x0000004f
+DATA 4 0x021b0000 0x84180000
+DATA 4 0x021b0890 0x00400000
+DATA 4 0x021b001c 0x02008032
+DATA 4 0x021b001c 0x00008033
+DATA 4 0x021b001c 0x00048031
+DATA 4 0x021b001c 0x15108030
+DATA 4 0x021b001c 0x04008040
+DATA 4 0x021b0020 0x00007800
+DATA 4 0x021b0818 0x00000227
+DATA 4 0x021b0004 0x0002552d
+DATA 4 0x021b0404 0x00011006
+DATA 4 0x021b001c 0x00000000
diff --git a/board/out4/o4-imx6ull-nano/Makefile b/board/out4/o4-imx6ull-nano/Makefile
new file mode 100644
index 0000000..a3f4646
--- /dev/null
+++ b/board/out4/o4-imx6ull-nano/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (C) 2021 Oleh Kravchenko <oleg@kaa.org.ua>
+
+obj-y := o4-imx6ull-nano.o
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;
+}