ARM: sunxi: Add sun8i (A23) UART0 pin mux support

[people/ms/u-boot.git] / include / configs / sunxi-common.h

/*
 * (C) Copyright 2012-2012 Henrik Nordstrom <henrik@henriknordstrom.net>
 *
 * (C) Copyright 2007-2011
 * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
 * Tom Cubie <tangliang@allwinnertech.com>
 *
 * Configuration settings for the Allwinner sunxi series of boards.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef _SUNXI_COMMON_CONFIG_H
#define _SUNXI_COMMON_CONFIG_H

/*
 * High Level Configuration Options
 */
#define CONFIG_SUNXI		/* sunxi family */
#ifdef CONFIG_SPL_BUILD
#ifndef CONFIG_SPL_FEL
#define CONFIG_SYS_THUMB_BUILD	/* Thumbs mode to save space in SPL */
#endif
#endif

#include <asm/arch/cpu.h>	/* get chip and board defs */

#define CONFIG_SYS_TEXT_BASE		0x4a000000

/*
 * Display CPU information
 */
#define CONFIG_DISPLAY_CPUINFO

/* Serial & console */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
/* ns16550 reg in the low bits of cpu reg */
#define CONFIG_SYS_NS16550_REG_SIZE	-4
#define CONFIG_SYS_NS16550_CLK		24000000
#define CONFIG_SYS_NS16550_COM1		SUNXI_UART0_BASE
#define CONFIG_SYS_NS16550_COM2		SUNXI_UART1_BASE
#define CONFIG_SYS_NS16550_COM3		SUNXI_UART2_BASE
#define CONFIG_SYS_NS16550_COM4		SUNXI_UART3_BASE

/* DRAM Base */
#define CONFIG_SYS_SDRAM_BASE		0x40000000
#define CONFIG_SYS_INIT_RAM_ADDR	0x0
#define CONFIG_SYS_INIT_RAM_SIZE	0x8000	/* 32 KiB */

#define CONFIG_SYS_INIT_SP_OFFSET \
	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR \
	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)

#define CONFIG_NR_DRAM_BANKS		1
#define PHYS_SDRAM_0			CONFIG_SYS_SDRAM_BASE
#define PHYS_SDRAM_0_SIZE		0x80000000 /* 2 GiB */

#ifdef CONFIG_AHCI
#define CONFIG_LIBATA
#define CONFIG_SCSI_AHCI
#define CONFIG_SCSI_AHCI_PLAT
#define CONFIG_SUNXI_AHCI
#define CONFIG_SYS_SCSI_MAX_SCSI_ID	1
#define CONFIG_SYS_SCSI_MAX_LUN		1
#define CONFIG_SYS_SCSI_MAX_DEVICE	(CONFIG_SYS_SCSI_MAX_SCSI_ID * \
					 CONFIG_SYS_SCSI_MAX_LUN)
#define CONFIG_CMD_SCSI
#endif

#define CONFIG_CMD_MEMORY
#define CONFIG_CMD_SETEXPR

#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_CMDLINE_TAG
#define CONFIG_INITRD_TAG

/* mmc config */
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_CMD_MMC
#define CONFIG_MMC_SUNXI
#define CONFIG_MMC_SUNXI_SLOT		0
#define CONFIG_ENV_IS_IN_MMC
#define CONFIG_SYS_MMC_ENV_DEV		0	/* first detected MMC controller */

/* 4MB of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (4 << 20))

/*
 * Miscellaneous configurable options
 */
#define CONFIG_CMD_ECHO
#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 */
#define CONFIG_SYS_GENERIC_BOARD

/* Boot Argument Buffer Size */
#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE

#define CONFIG_SYS_LOAD_ADDR		0x42000000 /* default load address */

/* standalone support */
#define CONFIG_STANDALONE_LOAD_ADDR	0x42000000

/* baudrate */
#define CONFIG_BAUDRATE			115200

/* The stack sizes are set up in start.S using the settings below */
#define CONFIG_STACKSIZE		(256 << 10)	/* 256 KiB */

/* FLASH and environment organization */

#define CONFIG_SYS_NO_FLASH

#define CONFIG_SYS_MONITOR_LEN		(512 << 10)	/* 512 KiB */
#define CONFIG_IDENT_STRING		" Allwinner Technology"

#define CONFIG_ENV_OFFSET		(544 << 10) /* (8 + 24 + 512) KiB */
#define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */

#include <config_cmd_default.h>
#undef CONFIG_CMD_FPGA

#define CONFIG_FAT_WRITE	/* enable write access */

#define CONFIG_SPL_FRAMEWORK
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT

#ifdef CONFIG_SPL_FEL

#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/sunxi/u-boot-spl-fel.lds"
#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/armv7/sunxi"
#define CONFIG_SPL_TEXT_BASE		0x2000
#define CONFIG_SPL_MAX_SIZE		0x4000		/* 16 KiB */

#else /* CONFIG_SPL */

#define CONFIG_SPL_BSS_START_ADDR	0x4ff80000
#define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KiB */

#define CONFIG_SPL_TEXT_BASE		0x20		/* sram start+header */
#define CONFIG_SPL_MAX_SIZE		0x5fe0		/* 24KB on sun4i/sun7i */

#define CONFIG_SPL_LIBDISK_SUPPORT
#define CONFIG_SPL_MMC_SUPPORT

#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds"

#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	80	/* 40KiB */
#define CONFIG_SPL_PAD_TO		32768		/* decimal for 'dd' */

#endif /* CONFIG_SPL */

/* end of 32 KiB in sram */
#define LOW_LEVEL_SRAM_STACK		0x00008000 /* End of sram */
#define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
#define CONFIG_SYS_SPL_MALLOC_START	0x4ff00000
#define CONFIG_SYS_SPL_MALLOC_SIZE	0x00080000	/* 512 KiB */

/* I2C */
#define CONFIG_SPL_I2C_SUPPORT
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_MVTWSI
#define CONFIG_SYS_I2C_SPEED		400000
#define CONFIG_SYS_I2C_SLAVE		0x7f
#define CONFIG_CMD_I2C

/* PMU */
#if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER || defined CONFIG_AXP221_POWER
#define CONFIG_SPL_POWER_SUPPORT
#endif

#ifndef CONFIG_CONS_INDEX
#define CONFIG_CONS_INDEX              1       /* UART0 */
#endif

/* GPIO */
#define CONFIG_SUNXI_GPIO
#define CONFIG_SPL_GPIO_SUPPORT
#define CONFIG_CMD_GPIO

/* Ethernet support */
#ifdef CONFIG_SUNXI_EMAC
#define CONFIG_MII			/* MII PHY management		*/
#endif

#ifdef CONFIG_SUNXI_GMAC
#define CONFIG_DESIGNWARE_ETH		/* GMAC can use designware driver */
#define CONFIG_DW_AUTONEG
#define CONFIG_PHY_GIGE			/* GMAC can use gigabit PHY	*/
#define CONFIG_PHY_ADDR		1
#define CONFIG_MII			/* MII PHY management		*/
#define CONFIG_PHYLIB
#endif

#ifdef CONFIG_USB_EHCI
#define CONFIG_CMD_USB
#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1
#define CONFIG_USB_STORAGE
#endif

#if !defined CONFIG_ENV_IS_IN_MMC && \
    !defined CONFIG_ENV_IS_IN_NAND && \
    !defined CONFIG_ENV_IS_IN_FAT && \
    !defined CONFIG_ENV_IS_IN_SPI_FLASH
#define CONFIG_ENV_IS_NOWHERE
#endif

#define CONFIG_MISC_INIT_R

#ifndef CONFIG_SPL_BUILD
#include <config_distro_defaults.h>

/* 256M RAM (minimum), 32M uncompressed kernel, 16M compressed kernel, 1M fdt,
 * 1M script, 1M pxe and the ramdisk at the end */
#define MEM_LAYOUT_ENV_SETTINGS \
	"bootm_size=0x10000000\0" \
	"kernel_addr_r=0x42000000\0" \
	"fdt_addr_r=0x43000000\0" \
	"scriptaddr=0x43100000\0" \
	"pxefile_addr_r=0x43200000\0" \
	"ramdisk_addr_r=0x43300000\0"

#ifdef CONFIG_MMC
#define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0)
#else
#define BOOT_TARGET_DEVICES_MMC(func)
#endif

#ifdef CONFIG_AHCI
#define BOOT_TARGET_DEVICES_SCSI(func) func(SCSI, scsi, 0)
#else
#define BOOT_TARGET_DEVICES_SCSI(func)
#endif

#ifdef CONFIG_USB_EHCI
#define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0)
#else
#define BOOT_TARGET_DEVICES_USB(func)
#endif

#define BOOT_TARGET_DEVICES(func) \
	BOOT_TARGET_DEVICES_MMC(func) \
	BOOT_TARGET_DEVICES_SCSI(func) \
	BOOT_TARGET_DEVICES_USB(func) \
	func(PXE, pxe, na) \
	func(DHCP, dhcp, na)

#include <config_distro_bootcmd.h>

#define CONFIG_EXTRA_ENV_SETTINGS \
	MEM_LAYOUT_ENV_SETTINGS \
	"fdtfile=" CONFIG_FDTFILE "\0" \
	"console=ttyS0,115200\0" \
	BOOTENV

#else /* ifndef CONFIG_SPL_BUILD */
#define CONFIG_EXTRA_ENV_SETTINGS
#endif

#endif /* _SUNXI_COMMON_CONFIG_H */