[U-Boot] [PATCH v5 2/2] Odroid-XU3: Add support for Odroid-XU3

Minkyu Kang mk7.kang at samsung.com
Fri Nov 7 06:16:06 CET 2014


Hi,

On 07/11/14 10:55, Hyungwon Hwang wrote:
> This patch adds support for Odroid-XU3.
> 
> Signed-off-by: Hyungwon Hwang <human.hwang at samsung.com>
> Cc: Minkyu Kang <mk7.kang at samsung.com>
> Cc: Lukasz Majewski <l.majewski at samsung.com>
> ---
> Changes for v3:
> 	- Remove unnecessary node from DT file
> 	- Remove unnecessary features from config file
> 	- Remove unnecessary macros from board-specific header file
> 	- Fix some trivial typos in comments
> Changes for v4:
> 	- Add MMC FIFO buffer's configuration to DT file
> 	- Make CONFIG_OF_CONTROL be set by the target information
> 	- Add basic document to doc/README.odroid-xu3
> 	- Add CONFIG_CMD_EXT4 to config file
> 	- Add environment size and offset to config file
> 	- Add extra default environment to make bootable without modification
> 	- Remove unnecessary features from config file
> Changes for v5:
> 	- Convert /include/ to #include in DT file
>  arch/arm/cpu/armv7/exynos/Kconfig     |   5 ++
>  arch/arm/dts/Makefile                 |   3 +-
>  arch/arm/dts/exynos5422-odroidxu3.dts |  60 ++++++++++++++
>  board/samsung/odroid-xu3/Kconfig      |  12 +++
>  board/samsung/odroid-xu3/MAINTAINERS  |   6 ++
>  board/samsung/odroid-xu3/Makefile     |   7 ++
>  board/samsung/odroid-xu3/odroid-xu3.c | 131 +++++++++++++++++++++++++++++++
>  board/samsung/odroid-xu3/setup.h      |  95 ++++++++++++++++++++++
>  configs/odroid-xu3_defconfig          |   4 +
>  doc/README.odroid-xu3                 | 134 +++++++++++++++++++++++++++++++
>  include/configs/odroid_xu3.h          | 144 ++++++++++++++++++++++++++++++++++
>  11 files changed, 600 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm/dts/exynos5422-odroidxu3.dts
>  create mode 100644 board/samsung/odroid-xu3/Kconfig
>  create mode 100644 board/samsung/odroid-xu3/MAINTAINERS
>  create mode 100644 board/samsung/odroid-xu3/Makefile
>  create mode 100644 board/samsung/odroid-xu3/odroid-xu3.c
>  create mode 100644 board/samsung/odroid-xu3/setup.h
>  create mode 100644 configs/odroid-xu3_defconfig
>  create mode 100644 doc/README.odroid-xu3
>  create mode 100644 include/configs/odroid_xu3.h
> 
> diff --git a/arch/arm/cpu/armv7/exynos/Kconfig b/arch/arm/cpu/armv7/exynos/Kconfig
> index 13dbd95..8fe530c 100644
> --- a/arch/arm/cpu/armv7/exynos/Kconfig
> +++ b/arch/arm/cpu/armv7/exynos/Kconfig
> @@ -24,6 +24,10 @@ config TARGET_TRATS2
>  config TARGET_ODROID
>  	bool "Exynos4412 Odroid board"
>  
> +config TARGET_ODROID_XU3
> +	bool "Exynos5422 Odroid board"
> +	select OF_CONTROL if !SPL_BUILD
> +
>  config TARGET_ARNDALE
>  	bool "Exynos5250 Arndale board"
>  	select SUPPORT_SPL
> @@ -65,6 +69,7 @@ source "board/samsung/universal_c210/Kconfig"
>  source "board/samsung/origen/Kconfig"
>  source "board/samsung/trats2/Kconfig"
>  source "board/samsung/odroid/Kconfig"
> +source "board/samsung/odroid-xu3/Kconfig"
>  source "board/samsung/arndale/Kconfig"
>  source "board/samsung/smdk5250/Kconfig"
>  source "board/samsung/smdk5420/Kconfig"
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 2b9bd93..d984f34 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -12,7 +12,8 @@ dtb-$(CONFIG_EXYNOS5) += exynos5250-arndale.dtb \
>  	exynos5250-smdk5250.dtb \
>  	exynos5420-smdk5420.dtb \
>  	exynos5420-peach-pit.dtb \
> -	exynos5800-peach-pi.dtb
> +	exynos5800-peach-pi.dtb \
> +	exynos5422-odroidxu3.dtb
>  dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
>  	tegra20-medcom-wide.dtb \
>  	tegra20-paz00.dtb \
> diff --git a/arch/arm/dts/exynos5422-odroidxu3.dts b/arch/arm/dts/exynos5422-odroidxu3.dts
> new file mode 100644
> index 0000000..52199d9
> --- /dev/null
> +++ b/arch/arm/dts/exynos5422-odroidxu3.dts
> @@ -0,0 +1,60 @@
> +/*
> + * Odroid XU3 device tree source
> + *
> + * Copyright (c) 2014 Samsung Electronics Co., Ltd.
> + *		http://www.samsung.com
> + *
> + * SPDX-License-Identifier:	GPL-2.0+
> + */
> +
> +/dts-v1/;
> +#include "exynos54xx.dtsi"
> +
> +/ {
> +	model = "Odroid XU3 based on EXYNOS5422";
> +	compatible = "samsung,odroidxu3", "samsung,exynos5";
> +
> +	aliases {
> +		serial0 = "/serial at 12C00000";
> +		console = "/serial at 12C20000";
> +	};
> +
> +	memory {
> +		device_type = "memory";
> +		reg =  <0x40000000 0x10000000
> +			0x50000000 0x10000000
> +			0x60000000 0x10000000
> +			0x70000000 0x10000000
> +			0x80000000 0x10000000
> +			0x90000000 0x10000000
> +			0xa0000000 0x10000000
> +			0xb0000000 0xea00000>;
> +	};
> +
> +	serial at 12C20000 {
> +		status="okay";
> +	};
> +
> +	mmc at 12200000 {
> +		samsung,bus-width = <8>;
> +		samsung,timing = <1 3 3>;
> +		samsung,removable = <0>;
> +		samsung,pre-init;
> +		fifoth_val = <0x200f0020>;
> +	};
> +
> +	mmc at 12210000 {
> +		status = "disabled";
> +	};
> +
> +	mmc at 12220000 {
> +		samsung,bus-width = <4>;
> +		samsung,timing = <1 2 3>;
> +		samsung,removable = <1>;
> +		fifoth_val = <0x200f0020>;
> +	};
> +
> +	mmc at 12230000 {
> +		status = "disabled";
> +	};
> +};
> diff --git a/board/samsung/odroid-xu3/Kconfig b/board/samsung/odroid-xu3/Kconfig
> new file mode 100644
> index 0000000..6159692
> --- /dev/null
> +++ b/board/samsung/odroid-xu3/Kconfig
> @@ -0,0 +1,12 @@
> +if TARGET_ODROID_XU3
> +
> +config SYS_BOARD
> +	default "odroid-xu3"
> +
> +config SYS_VENDOR
> +	default "samsung"
> +
> +config SYS_CONFIG_NAME
> +	default "odroid_xu3"
> +
> +endif
> diff --git a/board/samsung/odroid-xu3/MAINTAINERS b/board/samsung/odroid-xu3/MAINTAINERS
> new file mode 100644
> index 0000000..50cf928
> --- /dev/null
> +++ b/board/samsung/odroid-xu3/MAINTAINERS
> @@ -0,0 +1,6 @@
> +ODROID-XU3 BOARD
> +M:	Hyungwon Hwang <human.hwang at samsung.com>
> +S:	Maintained
> +F:	board/samsung/odroid-xu3/
> +F:	include/configs/odroid_xu3.h
> +F:	configs/odroid-xu3_defconfig
> diff --git a/board/samsung/odroid-xu3/Makefile b/board/samsung/odroid-xu3/Makefile
> new file mode 100644
> index 0000000..85ae5c5
> --- /dev/null
> +++ b/board/samsung/odroid-xu3/Makefile
> @@ -0,0 +1,7 @@
> +#
> +# Copyright (c) 2014 Samsung Electronics Co., Ltd. All rights reserved.
> +#
> +# SPDX-License-Identifier:	GPL-2.0+
> +#
> +
> +obj-y	:= odroid-xu3.o
> diff --git a/board/samsung/odroid-xu3/odroid-xu3.c b/board/samsung/odroid-xu3/odroid-xu3.c
> new file mode 100644
> index 0000000..ea39487
> --- /dev/null
> +++ b/board/samsung/odroid-xu3/odroid-xu3.c
> @@ -0,0 +1,131 @@
> +/*
> + * Copyright (C) 2014 Samsung Electronics
> + * Hyungwon Hwang <human.hwang at samsung.com>
> + *
> + * SPDX-License-Identifier:	GPL-2.0+
> + */
> +
> +#include <common.h>
> +#include <asm/io.h>
> +#include <netdev.h>

is netdev needed?

> +#include <asm/arch/cpu.h>
> +#include <asm/arch/clock.h>
> +#include <asm/arch/power.h>
> +#include <asm/arch/gpio.h>
> +#include <asm/arch/mmc.h>
> +#include <asm/arch/pinmux.h>
> +#include <asm/arch/sromc.h>
> +#include "setup.h"
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +unsigned int get_board_rev(void)
> +{
> +	unsigned int rev = 0;
> +	return rev;

I think it's a meaningless.
just return 0;

> +}
> +
> +int exynos_init(void)
> +{
> +	return 0;
> +}
> +
> +static int board_clock_init(void)

This function will be dead if CONFIG_BOARD_EARLY_INIT_F is not defined.

> +{
> +	unsigned int set, clr, clr_src_cpu, clr_pll_con0;
> +	struct exynos5420_clock *clk = (struct exynos5420_clock *)
> +						samsung_get_base_clock();
> +	/*
> +	 * CMU_CPU clocks src to MPLL
> +	 * Bit values:                 0  ; 1
> +	 * MUX_APLL_SEL:        FIN_PLL   ; FOUT_APLL
> +	 * MUX_CORE_SEL:        MOUT_APLL ; SCLK_MPLL
> +	 * MUX_HPM_SEL:         MOUT_APLL ; SCLK_MPLL_USER_C
> +	 * MUX_MPLL_USER_SEL_C: FIN_PLL   ; SCLK_MPLL
> +	*/
> +
> +	/* Set CMU_CPU clocks src to OSCCLK */
> +	clr_src_cpu = MUX_APLL_SEL(1) | MUX_CORE_SEL(1);
> +	set = MUX_APLL_SEL(0) | MUX_CORE_SEL(1);
> +
> +	clrsetbits_le32(&clk->src_cpu, clr_src_cpu, set);
> +
> +	while (MUX_STAT_CPU_CHANGING(readl(&clk->mux_stat_cpu)))
> +		continue;
> +
> +	/* Set APLL to 1200MHz */
> +	clr_pll_con0 = SDIV(7) | PDIV(63) | MDIV(1023) | FSEL(1) |
> +			PLL_ENABLE(1);
> +	set = SDIV(0) | PDIV(2) | MDIV(100) | PLL_ENABLE(1);
> +
> +	clrsetbits_le32(&clk->apll_con0, clr_pll_con0, set);
> +
> +	while (!(readl(&clk->apll_con0) & PLL_LOCKED_BIT))
> +		continue;
> +
> +	/* Set CMU_CPU clocks src to APLL */
> +	set = MUX_APLL_SEL(1) | MUX_CORE_SEL(0);
> +	clrsetbits_le32(&clk->src_cpu, clr_src_cpu, set);
> +
> +	while (MUX_STAT_CPU_CHANGING(readl(&clk->mux_stat_cpu)))
> +		continue;
> +
> +	clr = ARM_RATIO(7) | CPUD_RATIO(7) | ATB_RATIO(7) |
> +	      PCLK_DBG_RATIO(7) | APLL_RATIO(7) | ARM2_RATIO(7);
> +	set = ARM_RATIO(0) | CPUD_RATIO(2) | ATB_RATIO(5) |
> +	      PCLK_DBG_RATIO(5) | APLL_RATIO(0) | ARM2_RATIO(0);
> +
> +	clrsetbits_le32(&clk->div_cpu0, clr, set);
> +
> +	while (readl(&clk->div_stat_cpu0) & DIV_STAT_CPU0_CHANGING)
> +		continue;
> +
> +	/* Set MPLL to 800MHz */
> +	set = SDIV(1) | PDIV(3) | MDIV(200) | PLL_ENABLE(1);
> +
> +	clrsetbits_le32(&clk->mpll_con0, clr_pll_con0, set);
> +
> +	while (!(readl(&clk->mpll_con0) & PLL_LOCKED_BIT))
> +		continue;
> +
> +	/* Set CLKMUX_UART src to MPLL */
> +	clr = UART0_SEL(7) | UART1_SEL(7) | UART2_SEL(7) | UART3_SEL(7);
> +	set = UART0_SEL(3) | UART1_SEL(3) | UART2_SEL(3) | UART3_SEL(3);
> +
> +	clrsetbits_le32(&clk->src_peric0, clr, set);
> +
> +	/* Set SCLK_UART to 400 MHz (MPLL / 2) */
> +	clr = UART0_RATIO(15) | UART1_RATIO(15) | UART2_RATIO(15) |
> +	      UART3_RATIO(15);
> +	set = UART0_RATIO(1) | UART1_RATIO(1) | UART2_RATIO(1) |
> +	      UART3_RATIO(1);
> +
> +	clrsetbits_le32(&clk->div_peric0, clr, set);
> +
> +	while (readl(&clk->div_stat_peric0) & DIV_STAT_PERIC0_CHANGING)
> +		continue;
> +
> +	/* Set CLKMUX_MMC src to MPLL */
> +	clr = MUX_MMC0_SEL(7) | MUX_MMC1_SEL(7) | MUX_MMC2_SEL(7);
> +	set = MUX_MMC0_SEL(3) | MUX_MMC1_SEL(3) | MUX_MMC2_SEL(3);
> +
> +	clrsetbits_le32(&clk->src_fsys, clr, set);
> +
> +	clr = MMC0_RATIO(0x3ff) | MMC1_RATIO(0x3ff) | MMC2_RATIO(0x3ff);
> +	set = MMC0_RATIO(0) | MMC1_RATIO(0) | MMC2_RATIO(0);
> +
> +	clrsetbits_le32(&clk->div_fsys1, clr, set);
> +
> +	/* Wait for divider ready status */
> +	while (readl(&clk->div_stat_fsys1) & DIV_STAT_FSYS1_CHANGING)
> +		continue;
> +
> +	return 0;
> +}
> +
> +#ifdef CONFIG_BOARD_EARLY_INIT_F
> +int exynos_early_init_f(void)
> +{
> +	return board_clock_init();
> +}
> +#endif

Thanks,
Minkyu Kang.



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