diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/Kconfig | 9 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/s5pc1xx/Kconfig | 20 | ||||
-rw-r--r-- | arch/arm/dts/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/dts/s5pc1xx-goni.dts | 28 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-s5pc1xx/periph.h | 61 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-s5pc1xx/pinmux.h | 50 |
6 files changed, 165 insertions, 4 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 43ba33a..22ceb9d 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -336,6 +336,9 @@ config TARGET_BCM958622HR config ARCH_EXYNOS bool "Samsung EXYNOS" +config ARCH_S5PC1XX + bool "Samsung S5PC1XX" + config ARCH_HIGHBANK bool "Calxeda Highbank" @@ -429,9 +432,6 @@ config RMOBILE config TARGET_CM_FX6 bool "Support cm_fx6" -config TARGET_S5P_GONI - bool "Support s5p_goni" - config TARGET_SMDKC100 bool "Support smdkc100" @@ -550,6 +550,8 @@ source "arch/arm/cpu/arm926ejs/orion5x/Kconfig" source "arch/arm/cpu/armv7/rmobile/Kconfig" +source "arch/arm/cpu/armv7/s5pc1xx/Kconfig" + source "arch/arm/cpu/armv7/tegra-common/Kconfig" source "arch/arm/cpu/armv7/uniphier/Kconfig" @@ -657,7 +659,6 @@ source "board/raspberrypi/rpi_b/Kconfig" source "board/ronetix/pm9261/Kconfig" source "board/ronetix/pm9263/Kconfig" source "board/ronetix/pm9g45/Kconfig" -source "board/samsung/goni/Kconfig" source "board/samsung/smdk2410/Kconfig" source "board/samsung/smdkc100/Kconfig" source "board/sandisk/sansa_fuze_plus/Kconfig" diff --git a/arch/arm/cpu/armv7/s5pc1xx/Kconfig b/arch/arm/cpu/armv7/s5pc1xx/Kconfig new file mode 100644 index 0000000..1a8941d --- /dev/null +++ b/arch/arm/cpu/armv7/s5pc1xx/Kconfig @@ -0,0 +1,20 @@ +if ARCH_S5PC1XX + +choice + prompt "S5PC1XX board select" + +config TARGET_S5P_GONI + bool "S5P Goni board" + select OF_CONTROL if !SPL_BUILD + +endchoice + +config SYS_CPU + default "armv7" + +config SYS_SOC + default "s5pc1xx" + +source "board/samsung/goni/Kconfig" + +endif diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 43a70e4..076e0f7 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -1,3 +1,4 @@ +dtb-$(CONFIG_S5PC110) += s5pc1xx-goni.dtb dtb-$(CONFIG_EXYNOS4) += exynos4210-origen.dtb \ exynos4210-smdkv310.dtb \ exynos4210-universal_c210.dtb \ diff --git a/arch/arm/dts/s5pc1xx-goni.dts b/arch/arm/dts/s5pc1xx-goni.dts new file mode 100644 index 0000000..2e671bb --- /dev/null +++ b/arch/arm/dts/s5pc1xx-goni.dts @@ -0,0 +1,28 @@ +/* + * Samsung's S5PC110-based Goni board device tree source + * + * Copyright (c) 2014 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/dts-v1/; + +#include "skeleton.dtsi" + +/ { + model = "Samsung Goni based on S5PC110"; + compatible = "samsung,goni", "samsung,s5pc110"; + + aliases { + serial2 = "/serial@e2900800"; + console = "/serial@e2900800"; + }; + + serial@e2900800 { + compatible = "samsung,exynos4210-uart"; + reg = <0xe2900800 0x400>; + id = <2>; + }; + +}; diff --git a/arch/arm/include/asm/arch-s5pc1xx/periph.h b/arch/arm/include/asm/arch-s5pc1xx/periph.h new file mode 100644 index 0000000..5c1c3d4 --- /dev/null +++ b/arch/arm/include/asm/arch-s5pc1xx/periph.h @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * Rajeshwari Shinde <rajeshwari.s@samsung.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARM_ARCH_PERIPH_H +#define __ASM_ARM_ARCH_PERIPH_H + +/* + * Peripherals required for pinmux configuration. List will + * grow with support for more devices getting added. + * Numbering based on interrupt table. + * + */ +enum periph_id { + PERIPH_ID_UART0 = 51, + PERIPH_ID_UART1, + PERIPH_ID_UART2, + PERIPH_ID_UART3, + PERIPH_ID_I2C0 = 56, + PERIPH_ID_I2C1, + PERIPH_ID_I2C2, + PERIPH_ID_I2C3, + PERIPH_ID_I2C4, + PERIPH_ID_I2C5, + PERIPH_ID_I2C6, + PERIPH_ID_I2C7, + PERIPH_ID_SPI0 = 68, + PERIPH_ID_SPI1, + PERIPH_ID_SPI2, + PERIPH_ID_SDMMC0 = 75, + PERIPH_ID_SDMMC1, + PERIPH_ID_SDMMC2, + PERIPH_ID_SDMMC3, + PERIPH_ID_I2C8 = 87, + PERIPH_ID_I2C9, + PERIPH_ID_I2S0 = 98, + PERIPH_ID_I2S1 = 99, + + /* Since following peripherals do + * not have shared peripheral interrupts (SPIs) + * they are numbered arbitiraly after the maximum + * SPIs Exynos has (128) + */ + PERIPH_ID_SROMC = 128, + PERIPH_ID_SPI3, + PERIPH_ID_SPI4, + PERIPH_ID_SDMMC4, + PERIPH_ID_PWM0, + PERIPH_ID_PWM1, + PERIPH_ID_PWM2, + PERIPH_ID_PWM3, + PERIPH_ID_PWM4, + PERIPH_ID_I2C10 = 203, + + PERIPH_ID_NONE = -1, +}; + +#endif /* __ASM_ARM_ARCH_PERIPH_H */ diff --git a/arch/arm/include/asm/arch-s5pc1xx/pinmux.h b/arch/arm/include/asm/arch-s5pc1xx/pinmux.h new file mode 100644 index 0000000..0b91ef6 --- /dev/null +++ b/arch/arm/include/asm/arch-s5pc1xx/pinmux.h @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * Abhilash Kesavan <a.kesavan@samsung.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARM_ARCH_PINMUX_H +#define __ASM_ARM_ARCH_PINMUX_H + +#include "periph.h" + +/* + * Flags for setting specific configarations of peripherals. + * List will grow with support for more devices getting added. + */ +enum { + PINMUX_FLAG_NONE = 0x00000000, + + /* Flags for eMMC */ + PINMUX_FLAG_8BIT_MODE = 1 << 0, /* SDMMC 8-bit mode */ + + /* Flags for SROM controller */ + PINMUX_FLAG_BANK = 3 << 0, /* bank number (0-3) */ + PINMUX_FLAG_16BIT = 1 << 2, /* 16-bit width */ +}; + +/** + * Configures the pinmux for a particular peripheral. + * + * Each gpio can be configured in many different ways (4 bits on exynos) + * such as "input", "output", "special function", "external interrupt" + * etc. This function will configure the peripheral pinmux along with + * pull-up/down and drive strength. + * + * @param peripheral peripheral to be configured + * @param flags configure flags + * @return 0 if ok, -1 on error (e.g. unsupported peripheral) + */ +int exynos_pinmux_config(int peripheral, int flags); + +/** + * Decode the peripheral id using the interrpt numbers. + * + * @param blob Device tree blob + * @param node FDT I2C node to find + * @return peripheral id if ok, PERIPH_ID_NONE on error + */ +int pinmux_decode_periph_id(const void *blob, int node); +#endif |