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authorBeniamino Galvani <b.galvani@gmail.com>2016-05-08 08:30:16 +0200
committerTom Rini <trini@konsulko.com>2016-05-27 15:39:47 -0400
commitbfcef28ae4cf04e7c1fd3aea1d60a17bd046f153 (patch)
treef9724e688585d0b157c6ba532b2723a4dd45e9ec /board/hardkernel
parent0e1a3e30deb089cba3f1c01a48443cf8a86b5398 (diff)
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arm: add initial support for Amlogic Meson and ODROID-C2
This adds platform code for the Amlogic Meson GXBaby (S905) SoC and a board definition for ODROID-C2. This initial submission only supports UART and Ethernet (through the existing Designware driver). DTS files are the ones submitted to Linux arm-soc for 4.7 [1]. [1] https://patchwork.ozlabs.org/patch/603583/ Signed-off-by: Beniamino Galvani <b.galvani@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'board/hardkernel')
-rw-r--r--board/hardkernel/odroid-c2/Kconfig12
-rw-r--r--board/hardkernel/odroid-c2/MAINTAINERS6
-rw-r--r--board/hardkernel/odroid-c2/Makefile7
-rw-r--r--board/hardkernel/odroid-c2/README60
-rw-r--r--board/hardkernel/odroid-c2/odroid-c2.c51
5 files changed, 136 insertions, 0 deletions
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..23ae1e7
--- /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..d6d266a
--- /dev/null
+++ b/board/hardkernel/odroid-c2/README
@@ -0,0 +1,60 @@
+U-Boot for ODROID-C2
+====================
+
+ODROID-C2 is a single board computer manufactured by Hardkernel
+Co. Ltd with the following specifications:
+
+ - Amlogic S905 ARM Cortex-A53 quad-core SoC @ 2GHz
+ - ARM Mali 450 GPU
+ - 2GB DDR3 SDRAM
+ - Gigabit Ethernet
+ - HDMI 2.0 4K/60Hz display
+ - 40-pin GPIO header
+ - 4 x USB 2.0 Host, 1 x USB OTG
+ - eMMC, microSD
+ - Infrared receiver
+
+Schematics are available on the manufacturer website.
+
+Currently the u-boot port supports the following devices:
+ - serial
+ - Ethernet
+
+u-boot compilation
+==================
+
+ > export ARCH=arm
+ > export CROSS_COMPILE=aarch64-none-elf-
+ > make odroid-c2_defconfig
+ > make
+
+Image creation
+==============
+
+Amlogic doesn't provide sources for the firmware and for tools needed
+to create the bootloader image, so it is necessary to obtain them from
+the git tree published by the board vendor:
+
+ > 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=$DIR/u-boot.gxbb bs=512 skip=96
+
+and then write the image to SD with:
+
+ > DEV=/dev/your_sd_device
+ > BL1=$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..c258d4f
--- /dev/null
+++ b/board/hardkernel/odroid-c2/odroid-c2.c
@@ -0,0 +1,51 @@
+/*
+ * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/gxbb.h>
+#include <dm/platdata.h>
+#include <phy.h>
+
+int board_init(void)
+{
+ return 0;
+}
+
+static const struct eth_pdata gxbb_eth_pdata = {
+ .iobase = GXBB_ETH_BASE,
+ .phy_interface = PHY_INTERFACE_MODE_RGMII,
+};
+
+U_BOOT_DEVICE(meson_eth) = {
+ .name = "eth_designware",
+ .platdata = &gxbb_eth_pdata,
+};
+
+int misc_init_r(void)
+{
+ /* Select Ethernet function */
+ setbits_le32(GXBB_PINMUX(6), 0x3fff);
+
+ /* Set RGMII mode */
+ setbits_le32(GXBB_ETH_REG_0, GXBB_ETH_REG_0_PHY_INTF |
+ GXBB_ETH_REG_0_TX_PHASE(1) |
+ GXBB_ETH_REG_0_TX_RATIO(4) |
+ GXBB_ETH_REG_0_PHY_CLK_EN |
+ GXBB_ETH_REG_0_CLK_EN);
+
+ /* Enable power and clock gate */
+ setbits_le32(GXBB_GCLK_MPEG_1, GXBB_GCLK_MPEG_1_ETH);
+ clrbits_le32(GXBB_MEM_PD_REG_0, GXBB_MEM_PD_REG_0_ETH_MASK);
+
+ /* Reset PHY on GPIOZ_14 */
+ clrbits_le32(GXBB_GPIO_EN(3), BIT(14));
+ clrbits_le32(GXBB_GPIO_OUT(3), BIT(14));
+ mdelay(10);
+ setbits_le32(GXBB_GPIO_OUT(3), BIT(14));
+
+ return 0;
+}