From bfcef28ae4cf04e7c1fd3aea1d60a17bd046f153 Mon Sep 17 00:00:00 2001 From: Beniamino Galvani Date: Sun, 8 May 2016 08:30:16 +0200 Subject: 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 Reviewed-by: Simon Glass --- board/hardkernel/odroid-c2/Kconfig | 12 +++++++ board/hardkernel/odroid-c2/MAINTAINERS | 6 ++++ board/hardkernel/odroid-c2/Makefile | 7 ++++ board/hardkernel/odroid-c2/README | 60 ++++++++++++++++++++++++++++++++++ board/hardkernel/odroid-c2/odroid-c2.c | 51 +++++++++++++++++++++++++++++ 5 files changed, 136 insertions(+) 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 (limited to 'board') diff --git a/board/hardkernel/odroid-c2/Kconfig b/board/hardkernel/odroid-c2/Kconfig new file mode 100644 index 0000000000..687d9c6d28 --- /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 0000000000..23ae1e7cbc --- /dev/null +++ b/board/hardkernel/odroid-c2/MAINTAINERS @@ -0,0 +1,6 @@ +ODROID-C2 +M: Beniamino Galvani +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 0000000000..571044b66a --- /dev/null +++ b/board/hardkernel/odroid-c2/Makefile @@ -0,0 +1,7 @@ +# +# (C) Copyright 2016 Beniamino Galvani +# +# 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 0000000000..d6d266a5ce --- /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 0000000000..c258d4f0b8 --- /dev/null +++ b/board/hardkernel/odroid-c2/odroid-c2.c @@ -0,0 +1,51 @@ +/* + * (C) Copyright 2016 Beniamino Galvani + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include + +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; +} -- cgit v1.2.1