[U-Boot] [PATCH 0/5] Basic support for Amlogic GXBaby and ODROID-C2

[U-Boot] [PATCH 0/5] Basic support for Amlogic GXBaby and ODROID-C2

[Beniamino Galvani]

Hi,

this series adds a very basic support for Amlogic S905 SoC (GXBaby)
and for the ODROID-C2 board [1], and is based on u-boot sources
available from the board vendor [2].

Mainline kernel support is still in early stages [3] and the plan is
to add more features to u-boot (mmc, ethernet, ...) as soon as they
are available in the kernel; this submission only includes definition
of platform, board and UART support.

Beniamino

[1] http://www.hardkernel.com/main/products/prdt_info.php?g_code=G145457216438
[2] https://github.com/hardkernel/u-boot/tree/odroidc2-v2015.01
[3] https://lkml.org/lkml/2016/3/1/1401

Beniamino Galvani (5):
  arm: add initial support for Amlogic Meson and ODROID-C2
  arm: dts: import Meson files
  serial: add support for Amlogic Meson UART
  arm: meson: use device tree
  meson: odroid-c2: enable serial

 arch/arm/Kconfig                       |   5 +
 arch/arm/Makefile                      |   1 +
 arch/arm/dts/Makefile                  |   2 +
 arch/arm/dts/meson-gxbb-odroidc2.dts   |  65 ++++++++++
 arch/arm/dts/meson-gxbb.dtsi           | 211 +++++++++++++++++++++++++++++++++
 arch/arm/include/asm/arch-meson/gxbb.h |  10 ++
 arch/arm/mach-meson/Kconfig            |  31 +++++
 arch/arm/mach-meson/Makefile           |   7 ++
 arch/arm/mach-meson/board.c            |  69 +++++++++++
 board/hardkernel/odroid-c2/Kconfig     |  12 ++
 board/hardkernel/odroid-c2/MAINTAINERS |   6 +
 board/hardkernel/odroid-c2/Makefile    |   7 ++
 board/hardkernel/odroid-c2/README      |  34 ++++++
 board/hardkernel/odroid-c2/odroid-c2.c |   7 ++
 configs/odroid-c2_defconfig            |  18 +++
 drivers/serial/Kconfig                 |  14 +++
 drivers/serial/Makefile                |   1 +
 drivers/serial/serial_meson.c          | 162 +++++++++++++++++++++++++
 include/configs/odroid-c2.h            |  55 +++++++++
 19 files changed, 717 insertions(+)
 create mode 100644 arch/arm/dts/meson-gxbb-odroidc2.dts
 create mode 100644 arch/arm/dts/meson-gxbb.dtsi
 create mode 100644 arch/arm/include/asm/arch-meson/gxbb.h
 create mode 100644 arch/arm/mach-meson/Kconfig
 create mode 100644 arch/arm/mach-meson/Makefile
 create mode 100644 arch/arm/mach-meson/board.c
 create mode 100644 board/hardkernel/odroid-c2/Kconfig
 create mode 100644 board/hardkernel/odroid-c2/MAINTAINERS
 create mode 100644 board/hardkernel/odroid-c2/Makefile
 create mode 100644 board/hardkernel/odroid-c2/README
 create mode 100644 board/hardkernel/odroid-c2/odroid-c2.c
 create mode 100644 configs/odroid-c2_defconfig
 create mode 100644 drivers/serial/serial_meson.c
 create mode 100644 include/configs/odroid-c2.h

-- 
2.4.3

[U-Boot] [PATCH 1/5] arm: add initial support for Amlogic Meson and ODROID-C2

[Beniamino Galvani]

Support the Amlogic Meson GXBaby platform.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
---
 arch/arm/Kconfig                       |  5 ++++
 arch/arm/Makefile                      |  1 +
 arch/arm/include/asm/arch-meson/gxbb.h | 10 +++++++
 arch/arm/mach-meson/Kconfig            | 31 +++++++++++++++++++
 arch/arm/mach-meson/Makefile           |  7 +++++
 arch/arm/mach-meson/board.c            | 45 ++++++++++++++++++++++++++++
 board/hardkernel/odroid-c2/Kconfig     | 12 ++++++++
 board/hardkernel/odroid-c2/MAINTAINERS |  6 ++++
 board/hardkernel/odroid-c2/Makefile    |  7 +++++
 board/hardkernel/odroid-c2/README      | 34 +++++++++++++++++++++
 board/hardkernel/odroid-c2/odroid-c2.c |  7 +++++
 configs/odroid-c2_defconfig            | 11 +++++++
 include/configs/odroid-c2.h            | 55 ++++++++++++++++++++++++++++++++++
 13 files changed, 231 insertions(+)
 create mode 100644 arch/arm/include/asm/arch-meson/gxbb.h
 create mode 100644 arch/arm/mach-meson/Kconfig
 create mode 100644 arch/arm/mach-meson/Makefile
 create mode 100644 arch/arm/mach-meson/board.c
 create mode 100644 board/hardkernel/odroid-c2/Kconfig
 create mode 100644 board/hardkernel/odroid-c2/MAINTAINERS
 create mode 100644 board/hardkernel/odroid-c2/Makefile
 create mode 100644 board/hardkernel/odroid-c2/README
 create mode 100644 board/hardkernel/odroid-c2/odroid-c2.c
 create mode 100644 configs/odroid-c2_defconfig
 create mode 100644 include/configs/odroid-c2.h

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ab986d3..1cb1d5b 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -452,6 +452,9 @@ config ARCH_KEYSTONE
 	select SUPPORT_SPL
 	select CMD_POWEROFF
 
+config ARCH_MESON
+	bool "Amlogic Meson"
+
 config ARCH_MX7
 	bool "Freescale MX7"
 	select CPU_V7
@@ -762,6 +765,8 @@ source "arch/arm/mach-orion5x/Kconfig"
 
 source "arch/arm/cpu/armv7/rmobile/Kconfig"
 
+source "arch/arm/mach-meson/Kconfig"
+
 source "arch/arm/mach-rockchip/Kconfig"
 
 source "arch/arm/mach-s5pc1xx/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 6defdfb..f153276 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -49,6 +49,7 @@ machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
 machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
 # TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
 machine-$(CONFIG_KIRKWOOD)		+= kirkwood
+machine-$(CONFIG_ARCH_MESON)		+= meson
 machine-$(CONFIG_ARCH_MVEBU)		+= mvebu
 # TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
 # TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
diff --git a/arch/arm/include/asm/arch-meson/gxbb.h b/arch/arm/include/asm/arch-meson/gxbb.h
new file mode 100644
index 0000000..0eec270
--- /dev/null
+++ b/arch/arm/include/asm/arch-meson/gxbb.h
@@ -0,0 +1,10 @@
+/*
+ * (C) Copyright 2016 - Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __GXBB_H__
+#define __GXBB_H__
+
+#endif /* __GXBB_H__ */
diff --git a/arch/arm/mach-meson/Kconfig b/arch/arm/mach-meson/Kconfig
new file mode 100644
index 0000000..77d3cfe
--- /dev/null
+++ b/arch/arm/mach-meson/Kconfig
@@ -0,0 +1,31 @@
+if ARCH_MESON
+
+config MESON_GXBB
+	bool "Support Meson GXBaby"
+	select ARM64
+	select DM
+	select DM_SERIAL
+	help
+	  The Amlogic Meson GXBaby (S905) is an ARM SoC with a
+	  quad-core Cortex-A53 CPU and a Mali-450 GPU.
+
+if MESON_GXBB
+
+config TARGET_ODROID_C2
+	bool "ODROID-C2"
+	help
+	  ODROID-C2 is a single board computer based on Meson GXBaby
+	  with 2 GiB of RAM, Gigabit Ethernet, HDMI, 4 USB, micro-SD
+	  slot, eMMC, IR receiver and a 40-pin GPIO header.
+
+endif
+
+config SYS_SOC
+	default "meson"
+
+config SYS_MALLOC_F_LEN
+	default 0x1000
+
+source "board/hardkernel/odroid-c2/Kconfig"
+
+endif
diff --git a/arch/arm/mach-meson/Makefile b/arch/arm/mach-meson/Makefile
new file mode 100644
index 0000000..44e3d63
--- /dev/null
+++ b/arch/arm/mach-meson/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (c) 2016 Beniamino Galvani <b.galvani@gmail.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y += board.o
diff --git a/arch/arm/mach-meson/board.c b/arch/arm/mach-meson/board.c
new file mode 100644
index 0000000..346a2c2
--- /dev/null
+++ b/arch/arm/mach-meson/board.c
@@ -0,0 +1,45 @@
+/*
+ * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/gxbb.h>
+#include <asm/armv8/mmu.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+	return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+}
+
+static struct mm_region gxbb_mem_map[] = {
+	{
+		.base = 0x0UL,
+		.size = 0x80000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		.base = 0x80000000UL,
+		.size = 0x80000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/* List terminator */
+		0,
+	}
+};
+
+struct mm_region *mem_map = gxbb_mem_map;
diff --git a/board/hardkernel/odroid-c2/Kconfig b/board/hardkernel/odroid-c2/Kconfig
new file mode 100644
index 0000000..687d9c6
--- /dev/null
+++ b/board/hardkernel/odroid-c2/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_ODROID_C2
+
+config SYS_BOARD
+	default "odroid-c2"
+
+config SYS_VENDOR
+	default "hardkernel"
+
+config SYS_CONFIG_NAME
+	default "odroid-c2"
+
+endif
diff --git a/board/hardkernel/odroid-c2/MAINTAINERS b/board/hardkernel/odroid-c2/MAINTAINERS
new file mode 100644
index 0000000..5ebfe8f
--- /dev/null
+++ b/board/hardkernel/odroid-c2/MAINTAINERS
@@ -0,0 +1,6 @@
+ODROID-C2
+M:	Beniamino Galvani <b.galvani@gmail.com>
+S:	Maintained
+F:	board/hardkernel/odroid-c2
+F:	include/configs/odroid-c2.h
+F:	configs/odroid-c2_defconfig
diff --git a/board/hardkernel/odroid-c2/Makefile b/board/hardkernel/odroid-c2/Makefile
new file mode 100644
index 0000000..571044b
--- /dev/null
+++ b/board/hardkernel/odroid-c2/Makefile
@@ -0,0 +1,7 @@
+#
+# (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= odroid-c2.o
diff --git a/board/hardkernel/odroid-c2/README b/board/hardkernel/odroid-c2/README
new file mode 100644
index 0000000..b900694
--- /dev/null
+++ b/board/hardkernel/odroid-c2/README
@@ -0,0 +1,34 @@
+* U-Boot for ODROID-C2: quick guide
+
+** Compile u-boot
+
+ > export ARCH=arm
+ > export CROSS_COMPILE=aarch64-none-elf-
+ > make odroid-c2_defconfig
+ > make
+
+** Create the image
+
+ > DIR=odroid-c2
+ > git clone --depth 1 \
+       https://github.com/hardkernel/u-boot.git -b odroidc2-v2015.01 \
+       $DIR
+ > $DIR/fip/fip_create --bl30  $DIR/fip/gxb/bl30.bin \
+                       --bl301 $DIR/fip/gxb/bl301.bin \
+                       --bl31  $DIR/fip/gxb/bl31.bin \
+                       --bl33  u-boot.bin \
+                       $DIR/fip.bin
+ > $DIR/fip/fip_create --dump $DIR/fip.bin
+ > cat $DIR/fip/gxb/bl2.package $DIR/fip.bin > $DIR/boot_new.bin
+ > $DIR/fip/gxb/aml_encrypt_gxb --bootsig \
+                                --input $DIR/boot_new.bin \
+                                --output $DIR/u-boot.img
+ > dd if=$DIR/u-boot.img of=$DIR/u-boot.gxbb bs=512 skip=96
+
+** Write u-boot to a SD card
+
+ > DEV=/dev/your_sd_device
+ > BL1=$DIR/sd_fuse/bl1.bin.hardkernel
+ > dd if=$BL1 of=$DEV conv=fsync bs=1 count=442
+ > dd if=$BL1 of=$DEV conv=fsync bs=512 skip=1 seek=1
+ > dd if=$DIR/u-boot.gxbb of=$DEV conv=fsync bs=512 seek=97
diff --git a/board/hardkernel/odroid-c2/odroid-c2.c b/board/hardkernel/odroid-c2/odroid-c2.c
new file mode 100644
index 0000000..6a1485f
--- /dev/null
+++ b/board/hardkernel/odroid-c2/odroid-c2.c
@@ -0,0 +1,7 @@
+/*
+ * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
diff --git a/configs/odroid-c2_defconfig b/configs/odroid-c2_defconfig
new file mode 100644
index 0000000..8e6df12
--- /dev/null
+++ b/configs/odroid-c2_defconfig
@@ -0,0 +1,11 @@
+CONFIG_ARM=y
+CONFIG_ARCH_MESON=y
+CONFIG_MESON_GXBB=y
+CONFIG_TARGET_ODROID_C2=y
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FPGA is not set
+# CONFIG_CMD_SOURCE is not set
+# CONFIG_CMD_SETEXPR is not set
diff --git a/include/configs/odroid-c2.h b/include/configs/odroid-c2.h
new file mode 100644
index 0000000..0e9ad1c
--- /dev/null
+++ b/include/configs/odroid-c2.h
@@ -0,0 +1,55 @@
+/*
+ * Configuration for ODROID-C2
+ * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_CPU_ARMV8
+#define CONFIG_REMAKE_ELF
+#define CONFIG_SYS_CACHELINE_SIZE	64
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_ENV_IS_NOWHERE		1
+#define CONFIG_ENV_SIZE			0x2000
+#define CONFIG_SYS_MAXARGS		32
+#define CONFIG_SYS_MALLOC_LEN		(32 << 20)
+#define CONFIG_SYS_CBSIZE		1024
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define CONFIG_SYS_SDRAM_BASE		0
+#define CONFIG_SYS_TEXT_BASE		0x01000000
+#define CONFIG_SYS_INIT_SP_ADDR		0x20000000
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_TEXT_BASE
+
+/* Generic Interrupt Controller Definitions */
+#define GICD_BASE			0xc4301000
+#define GICC_BASE			0xc4302000
+
+#if !defined(CONFIG_IDENT_STRING)
+# define CONFIG_IDENT_STRING		" odroid-c2"
+#endif
+
+/* Serial setup */
+#define CONFIG_CONS_INDEX		0
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_SYS_BAUDRATE_TABLE \
+	{ 4800, 9600, 19200, 38400, 57600, 115200 }
+
+#define CONFIG_CMD_ENV
+
+/* Monitor Command Prompt */
+/* Console I/O Buffer Size */
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+					sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_CMDLINE_EDITING
+
+#include <config_distro_defaults.h>
+
+#endif /* __CONFIG_H */
-- 
2.4.3

[U-Boot] [PATCH 2/5] arm: dts: import Meson files

[Beniamino Galvani]

Import the device tree file for Meson GXBB from linux kernel and the
one for ODROID-C2 posted to the arm-kernel list [1].

[1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/487948

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
---
 arch/arm/dts/Makefile                |   2 +
 arch/arm/dts/meson-gxbb-odroidc2.dts |  65 +++++++++++
 arch/arm/dts/meson-gxbb.dtsi         | 211 +++++++++++++++++++++++++++++++++++
 3 files changed, 278 insertions(+)
 create mode 100644 arch/arm/dts/meson-gxbb-odroidc2.dts
 create mode 100644 arch/arm/dts/meson-gxbb.dtsi

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 50bcc0b..46d4eb0 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -24,6 +24,8 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += \
 	rk3288-jerry.dtb \
 	rk3288-rock2-square.dtb \
 	rk3036-sdk.dtb
+dtb-$(CONFIG_ARCH_MESON) += \
+	meson-gxbb-odroidc2.dtb
 dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
 	tegra20-medcom-wide.dtb \
 	tegra20-paz00.dtb \
diff --git a/arch/arm/dts/meson-gxbb-odroidc2.dts b/arch/arm/dts/meson-gxbb-odroidc2.dts
new file mode 100644
index 0000000..4a468be
--- /dev/null
+++ b/arch/arm/dts/meson-gxbb-odroidc2.dts
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2016 Andreas F?rber
+ * Copyright (c) 2016 BayLibre, Inc.
+ * Author: Kevin Hilman <khilman@kernel.org>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+
+#include "meson-gxbb.dtsi"
+
+/ {
+	compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
+	model = "Hardkernel ODROID-C2";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory at 0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x80000000>;
+	};
+};
+
+&uart_AO {
+	status = "okay";
+};
diff --git a/arch/arm/dts/meson-gxbb.dtsi b/arch/arm/dts/meson-gxbb.dtsi
new file mode 100644
index 0000000..f714f8d
--- /dev/null
+++ b/arch/arm/dts/meson-gxbb.dtsi
@@ -0,0 +1,211 @@
+/*
+ * Copyright (c) 2016 Andreas F?rber
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+	compatible = "amlogic,meson-gxbb";
+	interrupt-parent = <&gic>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	aliases {
+		serial0 = &uart_AO;
+		serial1 = &uart_A;
+	};
+
+	cpus {
+		#address-cells = <0x2>;
+		#size-cells = <0x0>;
+
+		cpu0: cpu at 0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x0 0x0>;
+			enable-method = "psci";
+		};
+
+		cpu1: cpu at 1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x0 0x1>;
+			enable-method = "psci";
+		};
+
+		cpu2: cpu at 2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x0 0x2>;
+			enable-method = "psci";
+		};
+
+		cpu3: cpu at 3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x0 0x3>;
+			enable-method = "psci";
+		};
+	};
+
+	arm-pmu {
+		compatible = "arm,cortex-a53-pmu";
+		interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+	};
+
+	psci {
+		compatible = "arm,psci-0.2";
+		method = "smc";
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 13
+			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>,
+			     <GIC_PPI 14
+			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>,
+			     <GIC_PPI 11
+			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>,
+			     <GIC_PPI 10
+			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>;
+	};
+
+	xtal: xtal-clk {
+		compatible = "fixed-clock";
+		clock-frequency = <24000000>;
+		clock-output-names = "xtal";
+		#clock-cells = <0>;
+	};
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		cbus: cbus at c1100000 {
+			compatible = "simple-bus";
+			reg = <0x0 0xc1100000 0x0 0x100000>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges = <0x0 0x0 0x0 0xc1100000 0x0 0x100000>;
+
+			uart_A: serial at 84c0 {
+				compatible = "amlogic,meson-uart";
+				reg = <0x0 0x084c0 0x0 0x14>;
+				interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>;
+				clocks = <&xtal>;
+				status = "disabled";
+			};
+
+			timer at 9980 {
+				compatible = "amlogic,meson6-timer";
+				reg = <0x0 0x09980 0x0 0x18>; /*XXX*/
+				interrupts = <GIC_SPI 60 IRQ_TYPE_EDGE_RISING>;
+				status = "disabled";
+			};
+		};
+
+		gic: interrupt-controller at c4301000 {
+			compatible = "arm,gic-400";
+			reg = <0x0 0xc4301000 0 0x1000>,
+			      <0x0 0xc4302000 0 0x2000>,
+			      <0x0 0xc4304000 0 0x2000>,
+			      <0x0 0xc4306000 0 0x2000>;
+			interrupt-controller;
+			interrupts = <GIC_PPI 9
+				(GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
+			#interrupt-cells = <3>;
+			#address-cells = <0>;
+		};
+
+		aobus: aobus at c8100000 {
+			compatible = "simple-bus";
+			reg = <0x0 0xc8100000 0x0 0x100000>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges = <0x0 0x0 0x0 0xc8100000 0x0 0x100000>;
+
+			uart_AO: serial at 4c0 {
+				compatible = "amlogic,meson-uart";
+				reg = <0x0 0x004c0 0x0 0x14>;
+				interrupts = <GIC_SPI 193 IRQ_TYPE_EDGE_RISING>;
+				clocks = <&xtal>;
+				status = "disabled";
+			};
+		};
+
+		apb: apb at d0000000 {
+			compatible = "simple-bus";
+			reg = <0x0 0xd0000000 0x0 0x200000>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges = <0x0 0x0 0x0 0xd0000000 0x0 0x200000>;
+
+			mmc0: mmc at 70000 {
+				compatible = "amlogic,meson-mmc";
+				reg = <0x0 0x0070000 0x0 0x2000>;
+				interrupts = <0 216 IRQ_TYPE_EDGE_RISING>;
+				status = "disabled";
+			};
+
+			mmc1: mmc at 72000 {
+				compatible = "amlogic,meson-mmc";
+				reg = <0x0 0x0072000 0x0 0x2000>;
+				interrupts = <0 217 IRQ_TYPE_EDGE_RISING>;
+				status = "disabled";
+			};
+
+			mmc2: mmc at 74000 {
+				compatible = "amlogic,meson-mmc";
+				reg = <0x0 0x0074000 0x0 0x2000>;
+				interrupts = <0 218 IRQ_TYPE_EDGE_RISING>;
+				status = "disabled";
+			};
+		};
+	};
+};
-- 
2.4.3

[U-Boot] [PATCH 3/5] serial: add support for Amlogic Meson UART

[Beniamino Galvani]

Implement a driver for the UART adapter available in Meson SoCs.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
---
 drivers/serial/Kconfig        |  14 ++++
 drivers/serial/Makefile       |   1 +
 drivers/serial/serial_meson.c | 162 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 177 insertions(+)
 create mode 100644 drivers/serial/serial_meson.c

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 2a770a1..47e26ab 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -112,6 +112,14 @@ config DEBUG_UART_S5P
 	  will need to provide parameters to make this work. The driver will
 	  be available until the real driver-model serial is running.
 
+config DEBUG_UART_MESON
+	bool "Amlogic Meson"
+	depends on MESON_SERIAL
+	help
+	  Select this to enable a debug UART using the serial_meson driver. You
+	  will need to provide parameters to make this work. The driver will
+	  be available until the real driver-model serial is running.
+
 config DEBUG_UART_UARTLITE
 	bool "Xilinx Uartlite"
 	help
@@ -320,4 +328,10 @@ config XILINX_UARTLITE
 	  If you have a Xilinx based board and want to use the uartlite
 	  serial ports, say Y to this option. If unsure, say N.
 
+config MESON_SERIAL
+	bool "Support for Amlogic Meson UART"
+	depends on DM_SERIAL && ARCH_MESON
+	help
+	  If you have an Amlogic Meson based board and want to use the on-chip
+	  serial ports, say Y to this option. If unsure, say N.
 endmenu
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 05bdf56..8eb0ca2 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_SYS_NS16550) += ns16550.o
 obj-$(CONFIG_S5P) += serial_s5p.o
 obj-$(CONFIG_MXC_UART) += serial_mxc.o
 obj-$(CONFIG_PXA_SERIAL) += serial_pxa.o
+obj-$(CONFIG_MESON_SERIAL) += serial_meson.o
 obj-$(CONFIG_S3C24X0_SERIAL) += serial_s3c24x0.o
 obj-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o
 obj-$(CONFIG_SANDBOX_SERIAL) += sandbox.o
diff --git a/drivers/serial/serial_meson.c b/drivers/serial/serial_meson.c
new file mode 100644
index 0000000..550b8a5
--- /dev/null
+++ b/drivers/serial/serial_meson.c
@@ -0,0 +1,162 @@
+/*
+ * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <linux/compiler.h>
+#include <serial.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct meson_uart {
+	uint32_t wfifo;
+	uint32_t rfifo;
+	uint32_t control;
+	uint32_t status;
+	uint32_t misc;
+};
+
+struct meson_serial_platdata {
+	struct meson_uart *reg;
+};
+
+/* AML_UART_STATUS bits */
+#define AML_UART_PARITY_ERR		BIT(16)
+#define AML_UART_FRAME_ERR		BIT(17)
+#define AML_UART_TX_FIFO_WERR		BIT(18)
+#define AML_UART_RX_EMPTY		BIT(20)
+#define AML_UART_TX_FULL		BIT(21)
+#define AML_UART_TX_EMPTY		BIT(22)
+#define AML_UART_XMIT_BUSY		BIT(25)
+#define AML_UART_ERR			(AML_UART_PARITY_ERR | \
+					 AML_UART_FRAME_ERR  | \
+					 AML_UART_TX_FIFO_WERR)
+
+/* AML_UART_CONTROL bits */
+#define AML_UART_TX_EN			BIT(12)
+#define AML_UART_RX_EN			BIT(13)
+#define AML_UART_TX_RST			BIT(22)
+#define AML_UART_RX_RST			BIT(23)
+#define AML_UART_CLR_ERR		BIT(24)
+
+static void __maybe_unused meson_serial_init(struct meson_uart *uart)
+{
+	u32 val;
+
+	val = readl(&uart->control);
+	val |= (AML_UART_RX_RST | AML_UART_TX_RST | AML_UART_CLR_ERR);
+	writel(val, &uart->control);
+	val &= ~(AML_UART_RX_RST | AML_UART_TX_RST | AML_UART_CLR_ERR);
+	writel(val, &uart->control);
+	val |= (AML_UART_RX_EN | AML_UART_TX_EN);
+	writel(val, &uart->control);
+}
+
+static int meson_serial_probe(struct udevice *dev)
+{
+	struct meson_serial_platdata *plat = dev->platdata;
+	struct meson_uart *const uart = plat->reg;
+
+	meson_serial_init(uart);
+
+	return 0;
+}
+
+static int meson_serial_getc(struct udevice *dev)
+{
+	struct meson_serial_platdata *plat = dev->platdata;
+	struct meson_uart *const uart = plat->reg;
+
+	if (readl(&uart->status) & AML_UART_RX_EMPTY)
+		return -EAGAIN;
+
+	return readl(&uart->rfifo) & 0xff;
+}
+
+static int meson_serial_putc(struct udevice *dev, const char ch)
+{
+	struct meson_serial_platdata *plat = dev->platdata;
+	struct meson_uart *const uart = plat->reg;
+
+	if (readl(&uart->status) & AML_UART_TX_FULL)
+		return -EAGAIN;
+
+	writel(ch, &uart->wfifo);
+
+	return 0;
+}
+
+static int meson_serial_pending(struct udevice *dev, bool input)
+{
+	struct meson_serial_platdata *plat = dev->platdata;
+	struct meson_uart *const uart = plat->reg;
+	uint32_t status = readl(&uart->status);
+
+	if (input)
+		return !(status & AML_UART_RX_EMPTY);
+	else
+		return !(status & AML_UART_TX_FULL);
+}
+
+static int meson_serial_ofdata_to_platdata(struct udevice *dev)
+{
+	struct meson_serial_platdata *plat = dev->platdata;
+	fdt_addr_t addr;
+
+	addr = dev_get_addr(dev);
+	if (addr == FDT_ADDR_T_NONE)
+		return -EINVAL;
+
+	plat->reg = (struct meson_uart *)addr;
+
+	return 0;
+}
+
+static const struct dm_serial_ops meson_serial_ops = {
+	.putc = meson_serial_putc,
+	.pending = meson_serial_pending,
+	.getc = meson_serial_getc,
+};
+
+static const struct udevice_id meson_serial_ids[] = {
+	{ .compatible = "amlogic,meson-uart" },
+	{ }
+};
+
+U_BOOT_DRIVER(serial_meson) = {
+	.name	= "serial_meson",
+	.id	= UCLASS_SERIAL,
+	.of_match = meson_serial_ids,
+	.ofdata_to_platdata = meson_serial_ofdata_to_platdata,
+	.platdata_auto_alloc_size = sizeof(struct meson_serial_platdata),
+	.probe = meson_serial_probe,
+	.ops	= &meson_serial_ops,
+	.flags = DM_FLAG_PRE_RELOC,
+};
+
+#ifdef CONFIG_DEBUG_UART_MESON
+
+#include <debug_uart.h>
+
+static inline void _debug_uart_init(void)
+{
+}
+
+static inline void _debug_uart_putc(int ch)
+{
+	struct meson_uart *regs = (struct meson_uart *)CONFIG_DEBUG_UART_BASE;
+
+	while (readl(&regs->status) & AML_UART_TX_FULL)
+		;
+
+	writel(ch, &regs->wfifo);
+}
+
+DEBUG_UART_FUNCS
+
+#endif
-- 
2.4.3

[U-Boot] [PATCH 4/5] arm: meson: use device tree

[Beniamino Galvani]

Convert the board and config files to the use of device tree.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
---
 arch/arm/mach-meson/board.c | 24 ++++++++++++++++++++++++
 configs/odroid-c2_defconfig |  2 ++
 2 files changed, 26 insertions(+)

diff --git a/arch/arm/mach-meson/board.c b/arch/arm/mach-meson/board.c
index 346a2c2..9781f1a 100644
--- a/arch/arm/mach-meson/board.c
+++ b/arch/arm/mach-meson/board.c
@@ -5,6 +5,8 @@
  */
 
 #include <common.h>
+#include <libfdt.h>
+#include <linux/err.h>
 #include <asm/arch/gxbb.h>
 #include <asm/armv8/mmu.h>
 
@@ -17,9 +19,31 @@ int board_init(void)
 
 int dram_init(void)
 {
+	const fdt32_t *val;
+	int offset;
+	int len;
+
+	offset = fdt_path_offset(gd->fdt_blob, "/memory");
+	if (offset < 0)
+		return -EINVAL;
+
+	val = fdt_getprop(gd->fdt_blob, offset, "reg", &len);
+	if (len < sizeof(*val) * 4)
+		return -EINVAL;
+
+	/* Don't use fdt64_t to avoid unaligned access */
+	gd->ram_size = (uint64_t)fdt32_to_cpu(val[2]) << 32;
+	gd->ram_size |= fdt32_to_cpu(val[3]);
+
 	return 0;
 }
 
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = gd->ram_size;
+}
+
 void reset_cpu(ulong addr)
 {
 }
diff --git a/configs/odroid-c2_defconfig b/configs/odroid-c2_defconfig
index 8e6df12..66d9ab7 100644
--- a/configs/odroid-c2_defconfig
+++ b/configs/odroid-c2_defconfig
@@ -2,6 +2,8 @@ CONFIG_ARM=y
 CONFIG_ARCH_MESON=y
 CONFIG_MESON_GXBB=y
 CONFIG_TARGET_ODROID_C2=y
+CONFIG_DEFAULT_DEVICE_TREE="meson-gxbb-odroidc2"
+CONFIG_OF_CONTROL=y
 # CONFIG_CMD_BDI is not set
 # CONFIG_CMD_IMI is not set
 # CONFIG_CMD_IMLS is not set
-- 
2.4.3

[U-Boot] [PATCH 5/5] meson: odroid-c2: enable serial

[Beniamino Galvani]

Enable serial support in the ODROID-C2 configuration.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
---
 configs/odroid-c2_defconfig | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/configs/odroid-c2_defconfig b/configs/odroid-c2_defconfig
index 66d9ab7..e0cd403 100644
--- a/configs/odroid-c2_defconfig
+++ b/configs/odroid-c2_defconfig
@@ -4,6 +4,11 @@ CONFIG_MESON_GXBB=y
 CONFIG_TARGET_ODROID_C2=y
 CONFIG_DEFAULT_DEVICE_TREE="meson-gxbb-odroidc2"
 CONFIG_OF_CONTROL=y
+CONFIG_MESON_SERIAL=y
+CONFIG_DEBUG_UART_MESON=y
+GONFIG_DEBUG_UART_BASE=0xc81004c0
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_DEBUG_UART_SKIP_INIT=y
 # CONFIG_CMD_BDI is not set
 # CONFIG_CMD_IMI is not set
 # CONFIG_CMD_IMLS is not set
-- 
2.4.3

[U-Boot] [PATCH 5/5] meson: odroid-c2: enable serial

[Carlo Caione]

On Sun, Mar 27, 2016 at 10:22 PM, Beniamino Galvani <b.galvani@gmail.com> wrote:
> Enable serial support in the ODROID-C2 configuration.
>
> Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
> ---
>  configs/odroid-c2_defconfig | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/configs/odroid-c2_defconfig b/configs/odroid-c2_defconfig
> index 66d9ab7..e0cd403 100644
> --- a/configs/odroid-c2_defconfig
> +++ b/configs/odroid-c2_defconfig
> @@ -4,6 +4,11 @@ CONFIG_MESON_GXBB=y
>  CONFIG_TARGET_ODROID_C2=y
>  CONFIG_DEFAULT_DEVICE_TREE="meson-gxbb-odroidc2"
>  CONFIG_OF_CONTROL=y
> +CONFIG_MESON_SERIAL=y
> +CONFIG_DEBUG_UART_MESON=y
> +GONFIG_DEBUG_UART_BASE=0xc81004c0

s/GONFIG/CONFIG/

> +CONFIG_DEBUG_UART_ANNOUNCE=y
> +CONFIG_DEBUG_UART_SKIP_INIT=y
>  # CONFIG_CMD_BDI is not set
>  # CONFIG_CMD_IMI is not set
>  # CONFIG_CMD_IMLS is not set
> --
> 2.4.3

-- 
Carlo Caione  |  +39.340.80.30.096  |  Endless

[U-Boot] [PATCH 0/5] Basic support for Amlogic GXBaby and ODROID-C2

[Carlo Caione]

On Sun, Mar 27, 2016 at 10:22 PM, Beniamino Galvani <b.galvani@gmail.com> wrote:
> Hi,
>
> this series adds a very basic support for Amlogic S905 SoC (GXBaby)
> and for the ODROID-C2 board [1], and is based on u-boot sources
> available from the board vendor [2].
>
> Mainline kernel support is still in early stages [3] and the plan is
> to add more features to u-boot (mmc, ethernet, ...) as soon as they
> are available in the kernel; this submission only includes definition
> of platform, board and UART support.

Tested-by: Carlo Caione <carlo@endlessm.com>

Thank you Beniamino for this. Could you please keep
linux-meson at googlegroups.com in CC for the next submissions?

Cheers,

-- 
Carlo Caione

[U-Boot] [PATCH 5/5] meson: odroid-c2: enable serial

[Tom Rini]

On Mon, Mar 28, 2016 at 10:58:34AM +0200, Carlo Caione wrote:
> On Sun, Mar 27, 2016 at 10:22 PM, Beniamino Galvani <b.galvani@gmail.com> wrote:
> > Enable serial support in the ODROID-C2 configuration.
> >
> > Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
> > ---
> >  configs/odroid-c2_defconfig | 5 +++++
> >  1 file changed, 5 insertions(+)
> >
> > diff --git a/configs/odroid-c2_defconfig b/configs/odroid-c2_defconfig
> > index 66d9ab7..e0cd403 100644
> > --- a/configs/odroid-c2_defconfig
> > +++ b/configs/odroid-c2_defconfig
> > @@ -4,6 +4,11 @@ CONFIG_MESON_GXBB=y
> >  CONFIG_TARGET_ODROID_C2=y
> >  CONFIG_DEFAULT_DEVICE_TREE="meson-gxbb-odroidc2"
> >  CONFIG_OF_CONTROL=y
> > +CONFIG_MESON_SERIAL=y
> > +CONFIG_DEBUG_UART_MESON=y
> > +GONFIG_DEBUG_UART_BASE=0xc81004c0
> 
> s/GONFIG/CONFIG/
> 
> > +CONFIG_DEBUG_UART_ANNOUNCE=y
> > +CONFIG_DEBUG_UART_SKIP_INIT=y
> >  # CONFIG_CMD_BDI is not set
> >  # CONFIG_CMD_IMI is not set
> >  # CONFIG_CMD_IMLS is not set

... and do a 'make savedefconfig' and copy the defconfig file to
configs/odroid-c2_defconfig next time :)

-- 
Tom
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[U-Boot] [PATCH 0/5] Basic support for Amlogic GXBaby and ODROID-C2

[Beniamino Galvani]

> Thank you Beniamino for this. Could you please keep
> linux-meson at googlegroups.com in CC for the next submissions?

I will surely do, thanks for testing.

Beniamino

[U-Boot] [PATCH 5/5] meson: odroid-c2: enable serial

[Beniamino Galvani]

On Mon, Mar 28, 2016 at 10:58:34AM +0200, Carlo Caione wrote:
> On Sun, Mar 27, 2016 at 10:22 PM, Beniamino Galvani <b.galvani@gmail.com> wrote:
> > Enable serial support in the ODROID-C2 configuration.
> >
> > Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
> > ---
> >  configs/odroid-c2_defconfig | 5 +++++
> >  1 file changed, 5 insertions(+)
> >
> > diff --git a/configs/odroid-c2_defconfig b/configs/odroid-c2_defconfig
> > index 66d9ab7..e0cd403 100644
> > --- a/configs/odroid-c2_defconfig
> > +++ b/configs/odroid-c2_defconfig
> > @@ -4,6 +4,11 @@ CONFIG_MESON_GXBB=y
> >  CONFIG_TARGET_ODROID_C2=y
> >  CONFIG_DEFAULT_DEVICE_TREE="meson-gxbb-odroidc2"
> >  CONFIG_OF_CONTROL=y
> > +CONFIG_MESON_SERIAL=y
> > +CONFIG_DEBUG_UART_MESON=y
> > +GONFIG_DEBUG_UART_BASE=0xc81004c0
> 
> s/GONFIG/CONFIG/

Yeah, I guess it's because C and G are next to each other on the
keyboard :)

Beniamino

[U-Boot] [PATCH 5/5] meson: odroid-c2: enable serial

[Beniamino Galvani]

On Tue, Mar 29, 2016 at 06:06:42PM -0400, Tom Rini wrote:
> ... and do a 'make savedefconfig' and copy the defconfig file to
> configs/odroid-c2_defconfig next time :)

Good to know, thanks!

Beniamino