This patch adds common dtsi file and config header for all Exynos 4 based boards.
Patch additionally adds board specific (weak) functions for board_early_init_f and board_power_init functions.
Signed-off-by: Piotr Wilczek p.wilczek@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com Cc: Minkyu Kang mk7.kang@samsung.com --- Changes for v2: - reuse existing common board.c file
arch/arm/dts/exynos4.dtsi | 139 ++++++++++++++++++++++++++++ arch/arm/include/asm/arch-exynos/board.h | 12 +++ board/samsung/common/board.c | 20 ++++- include/configs/exynos4-dt.h | 144 ++++++++++++++++++++++++++++++ 4 files changed, 311 insertions(+), 4 deletions(-) create mode 100644 arch/arm/dts/exynos4.dtsi create mode 100644 include/configs/exynos4-dt.h
diff --git a/arch/arm/dts/exynos4.dtsi b/arch/arm/dts/exynos4.dtsi new file mode 100644 index 0000000..38a6919 --- /dev/null +++ b/arch/arm/dts/exynos4.dtsi @@ -0,0 +1,139 @@ +/* + * Samsung's Exynos4 SoC common device tree source + * + * Copyright (c) 2014 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/include/ "skeleton.dtsi" + +/ { + + serial@13800000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x13800000 0x3c>; + id = <0>; + }; + + serial@13810000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x13810000 0x3c>; + id = <1>; + }; + + serial@13820000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x13820000 0x3c>; + id = <2>; + }; + + serial@13830000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x13830000 0x3c>; + id = <3>; + }; + + serial@13840000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x13840000 0x3c>; + id = <4>; + }; + + i2c@13860000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,s3c2440-i2c"; + interrupts = <0 0 0>; + }; + + i2c@13870000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,s3c2440-i2c"; + interrupts = <1 1 0>; + }; + + i2c@13880000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,s3c2440-i2c"; + interrupts = <2 2 0>; + }; + + i2c@13890000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,s3c2440-i2c"; + interrupts = <3 3 0>; + }; + + i2c@138a0000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,s3c2440-i2c"; + interrupts = <4 4 0>; + }; + + i2c@138b0000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,s3c2440-i2c"; + interrupts = <5 5 0>; + }; + + i2c@138c0000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,s3c2440-i2c"; + interrupts = <6 6 0>; + }; + + i2c@138d0000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,s3c2440-i2c"; + interrupts = <7 7 0>; + }; + + sdhci@12510000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,exynos-mmc"; + reg = <0x12510000 0x1000>; + interrupts = <0 75 0>; + }; + + sdhci@12520000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,exynos-mmc"; + reg = <0x12520000 0x1000>; + interrupts = <0 76 0>; + }; + + sdhci@12530000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,exynos-mmc"; + reg = <0x12530000 0x1000>; + interrupts = <0 77 0>; + }; + + sdhci@12540000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,exynos-mmc"; + reg = <0x12540000 0x1000>; + interrupts = <0 78 0>; + }; + + gpio: gpio { + gpio-controller; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + }; +}; diff --git a/arch/arm/include/asm/arch-exynos/board.h b/arch/arm/include/asm/arch-exynos/board.h index 243fb12..1b1cd0d 100644 --- a/arch/arm/include/asm/arch-exynos/board.h +++ b/arch/arm/include/asm/arch-exynos/board.h @@ -14,4 +14,16 @@ */ int exynos_init(void);
+/* + * Exynos board specific changes for + * board_early_init_f + */ +int exynos_early_init_f(void); + +/* + * Exynos board specific changes for + * board_power_init + */ +int exynos_power_init(void); + #endif /* EXYNOS_BOARD_H */ diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c index 99e2fd3..75515d7 100644 --- a/board/samsung/common/board.c +++ b/board/samsung/common/board.c @@ -32,6 +32,20 @@ struct local_info {
static struct local_info local;
+int __exynos_early_init_f(void) +{ + return 0; +} +int exynos_early_init_f(void) + __attribute__((weak, alias("__exynos_early_init_f"))); + +int __exynos_power_init(void) +{ + return 0; +} +int exynos_power_init(void) + __attribute__((weak, alias("__exynos_power_init"))); + #if defined CONFIG_EXYNOS_TMU /* Boot Time Thermal Analysis for SoC temperature threshold breach */ static void boot_temp_check(void) @@ -139,7 +153,7 @@ int board_early_init_f(void) board_i2c_init(gd->fdt_blob); #endif
- return err; + return exynos_early_init_f(); } #endif
@@ -161,11 +175,9 @@ static int board_init_cros_ec_devices(const void *blob)
int power_init_board(void) { - int ret = 0; - set_ps_hold_ctrl();
- return ret; + return exynos_power_init(); }
#ifdef CONFIG_OF_CONTROL diff --git a/include/configs/exynos4-dt.h b/include/configs/exynos4-dt.h new file mode 100644 index 0000000..b1f3729 --- /dev/null +++ b/include/configs/exynos4-dt.h @@ -0,0 +1,144 @@ +/* + * Copyright (C) 2014 Samsung Electronics + * + * Configuration settings for the SAMSUNG EXYNOS5 board. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* High Level Configuration Options */ +#define CONFIG_SAMSUNG /* in a SAMSUNG core */ +#define CONFIG_S5P /* S5P Family */ +#define CONFIG_EXYNOS4 /* which is in a Exynos4 Family */ + +#include <asm/arch/cpu.h> /* get chip and board defs */ + +#define CONFIG_ARCH_CPU_INIT +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DISPLAY_BOARDINFO +#define CONFIG_BOARD_COMMON + +/* Enable fdt support */ +#define CONFIG_OF_CONTROL +#define CONFIG_OF_EMBED + +#define CONFIG_SYS_CACHELINE_SIZE 32 + +/* input clock of PLL: EXYNOS4 boards have 24MHz input clock */ +#define CONFIG_SYS_CLK_FREQ 24000000 + +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_CMDLINE_TAG +#define CONFIG_REVISION_TAG +#define CONFIG_INITRD_TAG +#define CONFIG_CMDLINE_EDITING + +#include <asm/sizes.h> + +/* SD/MMC configuration */ +#define CONFIG_GENERIC_MMC +#define CONFIG_MMC +#define CONFIG_S5P_SDHCI +#define CONFIG_SDHCI +#define CONFIG_MMC_SDMA +#define CONFIG_MMC_DEFAULT_DEV 0 + +/* PWM */ +#define CONFIG_PWM + +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_SKIP_LOWLEVEL_INIT + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE + +/* Command definition*/ +#include <config_cmd_default.h> + +#undef CONFIG_CMD_FPGA +#undef CONFIG_CMD_MISC +#undef CONFIG_CMD_NET +#undef CONFIG_CMD_NFS +#undef CONFIG_CMD_XIMG +#undef CONFIG_CMD_CACHE +#undef CONFIG_CMD_ONENAND +#undef CONFIG_CMD_MTDPARTS +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_I2C +#define CONFIG_CMD_MMC +#define CONFIG_CMD_DFU +#define CONFIG_CMD_GPT +#define CONFIG_CMD_PMIC +#define CONFIG_CMD_SETEXPR + +#define CONFIG_BOOTDELAY 3 +#define CONFIG_ZERO_BOOTDELAY_CHECK + +/* FAT */ +#define CONFIG_CMD_FAT +#define CONFIG_FAT_WRITE + +/* EXT4 */ +#define CONFIG_CMD_EXT4 +#define CONFIG_CMD_EXT4_WRITE + +/* USB Composite download gadget - g_dnl */ +#define CONFIG_USBDOWNLOAD_GADGET + +/* TIZEN THOR downloader support */ +#define CONFIG_CMD_THOR_DOWNLOAD +#define CONFIG_THOR_FUNCTION + +#define CONFIG_DFU_FUNCTION +#define CONFIG_DFU_MMC +#define CONFIG_SYS_DFU_DATA_BUF_SIZE SZ_32M +#define DFU_DEFAULT_POLL_TIMEOUT 300 + +/* USB Samsung's IDs */ +#define CONFIG_G_DNL_VENDOR_NUM 0x04E8 +#define CONFIG_G_DNL_PRODUCT_NUM 0x6601 +#define CONFIG_G_DNL_THOR_VENDOR_NUM CONFIG_G_DNL_VENDOR_NUM +#define CONFIG_G_DNL_THOR_PRODUCT_NUM 0x685D +#define CONFIG_G_DNL_MANUFACTURER "Samsung" + +/* Miscellaneous configurable options */ +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#define CONFIG_SYS_PBSIZE 384 /* Print Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +/* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + +/* FLASH and environment organization */ +#define CONFIG_SYS_NO_FLASH +#undef CONFIG_CMD_IMLS + +#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ + +#define CONFIG_ENV_IS_IN_MMC +#define CONFIG_SYS_MMC_ENV_DEV CONFIG_MMC_DEFAULT_DEV +#define CONFIG_ENV_SIZE 4096 +#define CONFIG_ENV_OFFSET ((32 - 4) << 10) /* 32KiB - 4KiB */ + +#define CONFIG_DOS_PARTITION +#define CONFIG_EFI_PARTITION +#define CONFIG_CMD_PART +#define CONFIG_PARTITION_UUIDS + +#define CONFIG_USB_GADGET +#define CONFIG_USB_GADGET_S3C_UDC_OTG +#define CONFIG_USB_GADGET_DUALSPEED +#define CONFIG_USB_GADGET_VBUS_DRAW 2 +#define CONFIG_USB_CABLE_CHECK + +#define CONFIG_CMD_USB_MASS_STORAGE +#define CONFIG_USB_GADGET_MASS_STORAGE + +/* Enable devicetree support */ +#define CONFIG_OF_LIBFDT + +#endif /* __CONFIG_H */