include/configs/vexpress_common.h - u-boot - Git at Google

 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2011 ARM Limited
  * (C) Copyright 2010 Linaro
  * Matt Waddel, <matt.waddel@linaro.org>
  *
  * Configuration for Versatile Express. Parts were derived from other ARM
  *   configurations.
  */

 #ifndef __VEXPRESS_COMMON_H
 #define __VEXPRESS_COMMON_H

 /*
  * Definitions copied from linux kernel:
  * arch/arm/mach-vexpress/include/mach/motherboard.h
  */
 #ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
 /* CS register bases for the original memory map. */
 #define V2M_PA_CS0		0x40000000
 #define V2M_PA_CS1		0x44000000
 #define V2M_PA_CS2		0x48000000
 #define V2M_PA_CS3		0x4c000000
 #define V2M_PA_CS7		0x10000000

 #define V2M_PERIPH_OFFSET(x)	(x << 12)
 #define V2M_SYSREGS		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(0))
 #define V2M_SYSCTL		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(1))
 #define V2M_SERIAL_BUS_PCI	(V2M_PA_CS7 + V2M_PERIPH_OFFSET(2))

 #define V2M_BASE		0x60000000
 #elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP)
 /* CS register bases for the extended memory map. */
 #define V2M_PA_CS0		0x08000000
 #define V2M_PA_CS1		0x0c000000
 #define V2M_PA_CS2		0x14000000
 #define V2M_PA_CS3		0x18000000
 #define V2M_PA_CS7		0x1c000000

 #define V2M_PERIPH_OFFSET(x)	(x << 16)
 #define V2M_SYSREGS		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(1))
 #define V2M_SYSCTL		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(2))
 #define V2M_SERIAL_BUS_PCI	(V2M_PA_CS7 + V2M_PERIPH_OFFSET(3))

 #define V2M_BASE		0x80000000
 #endif

 /*
  * Physical addresses, offset from V2M_PA_CS0-3
  */
 #define V2M_NOR0		(V2M_PA_CS0)
 #define V2M_NOR1		(V2M_PA_CS1)
 #define V2M_SRAM		(V2M_PA_CS2)
 #define V2M_VIDEO_SRAM		(V2M_PA_CS3 + 0x00000000)
 #define V2M_ISP1761		(V2M_PA_CS3 + 0x03000000)

 /* Common peripherals relative to CS7. */
 #define V2M_AACI		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(4))
 #define V2M_MMCI		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(5))
 #define V2M_KMI0		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(6))
 #define V2M_KMI1		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(7))

 #define V2M_UART0		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(9))
 #define V2M_UART1		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(10))
 #define V2M_UART2		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(11))
 #define V2M_UART3		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(12))

 #define V2M_WDT			(V2M_PA_CS7 + V2M_PERIPH_OFFSET(15))

 #define V2M_TIMER01		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(17))
 #define V2M_TIMER23		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(18))

 #define V2M_SERIAL_BUS_DVI	(V2M_PA_CS7 + V2M_PERIPH_OFFSET(22))
 #define V2M_RTC			(V2M_PA_CS7 + V2M_PERIPH_OFFSET(23))

 #define V2M_CF			(V2M_PA_CS7 + V2M_PERIPH_OFFSET(26))

 #define V2M_CLCD		(V2M_PA_CS7 + V2M_PERIPH_OFFSET(31))
 #define V2M_SIZE_CS7		V2M_PERIPH_OFFSET(32)

 /* System register offsets. */
 #define V2M_SYS_CFGDATA		(V2M_SYSREGS + 0x0a0)
 #define V2M_SYS_CFGCTRL		(V2M_SYSREGS + 0x0a4)
 #define V2M_SYS_CFGSTAT		(V2M_SYSREGS + 0x0a8)

 /*
  * Configuration
  */
 #define SYS_CFG_START		(1 << 31)
 #define SYS_CFG_WRITE		(1 << 30)
 #define SYS_CFG_OSC		(1 << 20)
 #define SYS_CFG_VOLT		(2 << 20)
 #define SYS_CFG_AMP		(3 << 20)
 #define SYS_CFG_TEMP		(4 << 20)
 #define SYS_CFG_RESET		(5 << 20)
 #define SYS_CFG_SCC		(6 << 20)
 #define SYS_CFG_MUXFPGA		(7 << 20)
 #define SYS_CFG_SHUTDOWN	(8 << 20)
 #define SYS_CFG_REBOOT		(9 << 20)
 #define SYS_CFG_DVIMODE		(11 << 20)
 #define SYS_CFG_POWER		(12 << 20)
 #define SYS_CFG_SITE_MB		(0 << 16)
 #define SYS_CFG_SITE_DB1	(1 << 16)
 #define SYS_CFG_SITE_DB2	(2 << 16)
 #define SYS_CFG_STACK(n)	((n) << 12)

 #define SYS_CFG_ERR		(1 << 1)
 #define SYS_CFG_COMPLETE	(1 << 0)

 /* Board info register */
 #define SYS_ID				V2M_SYSREGS
 #define CONFIG_REVISION_TAG		1

 #define CONFIG_SYS_MEMTEST_START	V2M_BASE
 #define CONFIG_SYS_MEMTEST_END		0x20000000

 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
 #define CONFIG_SETUP_MEMORY_TAGS	1
 #define CONFIG_SYS_L2CACHE_OFF		1
 #define CONFIG_INITRD_TAG		1

 /* Size of malloc() pool */
 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 128 * 1024)

 #define SCTL_BASE			V2M_SYSCTL
 #define VEXPRESS_FLASHPROG_FLVPPEN	(1 << 0)

 #define CONFIG_SYS_TIMER_RATE		1000000
 #define CONFIG_SYS_TIMER_COUNTER	(V2M_TIMER01 + 0x4)
 #define CONFIG_SYS_TIMER_COUNTS_DOWN

 /* PL011 Serial Configuration */
 #define CONFIG_PL011_CLOCK		24000000
 #define CONFIG_PL01x_PORTS		{(void *)CONFIG_SYS_SERIAL0, \
 					 (void *)CONFIG_SYS_SERIAL1}

 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
 #define CONFIG_SYS_SERIAL0		V2M_UART0
 #define CONFIG_SYS_SERIAL1		V2M_UART1

 #define CONFIG_ARM_PL180_MMCI
 #define CONFIG_ARM_PL180_MMCI_BASE	V2M_MMCI
 #define CONFIG_SYS_MMC_MAX_BLK_COUNT	127
 #define CONFIG_ARM_PL180_MMCI_CLOCK_FREQ 6250000

 /* BOOTP options */
 #define CONFIG_BOOTP_BOOTFILESIZE

 /* Miscellaneous configurable options */
 #define CONFIG_SYS_LOAD_ADDR		(V2M_BASE + 0x8000)
 #define LINUX_BOOT_PARAM_ADDR		(V2M_BASE + 0x2000)

 /* Physical Memory Map */
 #define CONFIG_NR_DRAM_BANKS		2
 #define PHYS_SDRAM_1			(V2M_BASE)	/* SDRAM Bank #1 */
 #define PHYS_SDRAM_2			(((unsigned int)V2M_BASE) + \
 					((unsigned int)0x20000000))
 #define PHYS_SDRAM_1_SIZE		0x20000000	/* 512 MB */
 #define PHYS_SDRAM_2_SIZE		0x20000000	/* 512 MB */

 /* additions for new relocation code */
 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
 #define CONFIG_SYS_INIT_RAM_SIZE		0x1000
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_SDRAM_BASE + \
 					 CONFIG_SYS_INIT_RAM_SIZE - \
 					 GENERATED_GBL_DATA_SIZE)
 #define CONFIG_SYS_INIT_SP_ADDR		CONFIG_SYS_GBL_DATA_OFFSET

 /* Basic environment settings */
 #define BOOT_TARGET_DEVICES(func) \
         func(MMC, mmc, 1) \
         func(MMC, mmc, 0) \
         func(PXE, pxe, na) \
         func(DHCP, dhcp, na)
 #include <config_distro_bootcmd.h>

 #ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
 #define CONFIG_PLATFORM_ENV_SETTINGS \
 		"loadaddr=0x80008000\0" \
 		"ramdisk_addr_r=0x61000000\0" \
 		"kernel_addr=0x44100000\0" \
 		"ramdisk_addr=0x44800000\0" \
 		"maxramdisk=0x1800000\0" \
 		"pxefile_addr_r=0x88000000\0" \
 		"scriptaddr=0x88000000\0" \
 		"kernel_addr_r=0x80008000\0"
 #elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP)
 #define CONFIG_PLATFORM_ENV_SETTINGS \
 		"loadaddr=0xa0008000\0" \
 		"ramdisk_addr_r=0x81000000\0" \
 		"kernel_addr=0x0c100000\0" \
 		"ramdisk_addr=0x0c800000\0" \
 		"maxramdisk=0x1800000\0" \
 		"pxefile_addr_r=0xa8000000\0" \
 		"scriptaddr=0xa8000000\0" \
 		"kernel_addr_r=0xa0008000\0"
 #endif
 #define CONFIG_EXTRA_ENV_SETTINGS \
 		CONFIG_PLATFORM_ENV_SETTINGS \
                 BOOTENV \
 		"console=ttyAMA0,38400n8\0" \
 		"dram=1024M\0" \
 		"root=/dev/sda1 rw\0" \
 		"mtd=armflash:1M@0x800000(uboot),7M@0x1000000(kernel)," \
 			"24M@0x2000000(initrd)\0" \
 		"flashargs=setenv bootargs root=${root} console=${console} " \
 			"mem=${dram} mtdparts=${mtd} mmci.fmax=190000 " \
 			"devtmpfs.mount=0  vmalloc=256M\0" \
 		"bootflash=run flashargs; " \
 			"cp ${ramdisk_addr} ${ramdisk_addr_r} ${maxramdisk}; " \
 			"bootm ${kernel_addr} ${ramdisk_addr_r}\0"

 /* FLASH and environment organization */
 #define PHYS_FLASH_SIZE			0x04000000	/* 64MB */
 #define CONFIG_SYS_FLASH_CFI		1
 #define CONFIG_FLASH_CFI_DRIVER		1
 #define CONFIG_SYS_FLASH_SIZE		0x04000000
 #define CONFIG_SYS_MAX_FLASH_BANKS	2
 #define CONFIG_SYS_FLASH_BASE0		V2M_NOR0
 #define CONFIG_SYS_FLASH_BASE1		V2M_NOR1
 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE0

 /* Timeout values in ticks */
 #define CONFIG_SYS_FLASH_ERASE_TOUT	(2 * CONFIG_SYS_HZ) /* Erase Timeout */
 #define CONFIG_SYS_FLASH_WRITE_TOUT	(2 * CONFIG_SYS_HZ) /* Write Timeout */

 /* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
 #define CONFIG_SYS_MAX_FLASH_SECT	259		/* Max sectors */
 #define FLASH_MAX_SECTOR_SIZE		0x00040000	/* 256 KB sectors */

 /* Room required on the stack for the environment data */
 #define CONFIG_ENV_SIZE			FLASH_MAX_SECTOR_SIZE

 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */

 /*
  * Amount of flash used for environment:
  * We don't know which end has the small erase blocks so we use the penultimate
  * sector location for the environment
  */
 #define CONFIG_ENV_SECT_SIZE		FLASH_MAX_SECTOR_SIZE
 #define CONFIG_ENV_OVERWRITE		1

 /* Store environment at top of flash */
 #define CONFIG_ENV_OFFSET		(PHYS_FLASH_SIZE - \
 					(2 * CONFIG_ENV_SECT_SIZE))
 #define CONFIG_ENV_ADDR			(CONFIG_SYS_FLASH_BASE1 + \
 					 CONFIG_ENV_OFFSET)
 #define CONFIG_SYS_FLASH_PROTECTION	/* The devices have real protection */
 #define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
 #define CONFIG_SYS_FLASH_BANKS_LIST	{ CONFIG_SYS_FLASH_BASE0, \
 					  CONFIG_SYS_FLASH_BASE1 }

 /* Monitor Command Prompt */
 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */

 #endif /* VEXPRESS_COMMON_H */
	/* SPDX-License-Identifier: GPL-2.0+ */
	/*
	* (C) Copyright 2011 ARM Limited
	* (C) Copyright 2010 Linaro
	* Matt Waddel, <matt.waddel@linaro.org>
	*
	* Configuration for Versatile Express. Parts were derived from other ARM
	* configurations.
	*/

	#ifndef __VEXPRESS_COMMON_H
	#define __VEXPRESS_COMMON_H

	/*
	* Definitions copied from linux kernel:
	* arch/arm/mach-vexpress/include/mach/motherboard.h
	*/
	#ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
	/* CS register bases for the original memory map. */
	#define V2M_PA_CS0 0x40000000
	#define V2M_PA_CS1 0x44000000
	#define V2M_PA_CS2 0x48000000
	#define V2M_PA_CS3 0x4c000000
	#define V2M_PA_CS7 0x10000000

	#define V2M_PERIPH_OFFSET(x) (x << 12)
	#define V2M_SYSREGS (V2M_PA_CS7 + V2M_PERIPH_OFFSET(0))
	#define V2M_SYSCTL (V2M_PA_CS7 + V2M_PERIPH_OFFSET(1))
	#define V2M_SERIAL_BUS_PCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(2))

	#define V2M_BASE 0x60000000
	#elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP)
	/* CS register bases for the extended memory map. */
	#define V2M_PA_CS0 0x08000000
	#define V2M_PA_CS1 0x0c000000
	#define V2M_PA_CS2 0x14000000
	#define V2M_PA_CS3 0x18000000
	#define V2M_PA_CS7 0x1c000000

	#define V2M_PERIPH_OFFSET(x) (x << 16)
	#define V2M_SYSREGS (V2M_PA_CS7 + V2M_PERIPH_OFFSET(1))
	#define V2M_SYSCTL (V2M_PA_CS7 + V2M_PERIPH_OFFSET(2))
	#define V2M_SERIAL_BUS_PCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(3))

	#define V2M_BASE 0x80000000
	#endif

	/*
	* Physical addresses, offset from V2M_PA_CS0-3
	*/
	#define V2M_NOR0 (V2M_PA_CS0)
	#define V2M_NOR1 (V2M_PA_CS1)
	#define V2M_SRAM (V2M_PA_CS2)
	#define V2M_VIDEO_SRAM (V2M_PA_CS3 + 0x00000000)
	#define V2M_ISP1761 (V2M_PA_CS3 + 0x03000000)

	/* Common peripherals relative to CS7. */
	#define V2M_AACI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(4))
	#define V2M_MMCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(5))
	#define V2M_KMI0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(6))
	#define V2M_KMI1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(7))

	#define V2M_UART0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(9))
	#define V2M_UART1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(10))
	#define V2M_UART2 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(11))
	#define V2M_UART3 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(12))

	#define V2M_WDT (V2M_PA_CS7 + V2M_PERIPH_OFFSET(15))

	#define V2M_TIMER01 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(17))
	#define V2M_TIMER23 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(18))

	#define V2M_SERIAL_BUS_DVI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(22))
	#define V2M_RTC (V2M_PA_CS7 + V2M_PERIPH_OFFSET(23))

	#define V2M_CF (V2M_PA_CS7 + V2M_PERIPH_OFFSET(26))

	#define V2M_CLCD (V2M_PA_CS7 + V2M_PERIPH_OFFSET(31))
	#define V2M_SIZE_CS7 V2M_PERIPH_OFFSET(32)

	/* System register offsets. */
	#define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0)
	#define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4)
	#define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8)

	/*
	* Configuration
	*/
	#define SYS_CFG_START (1 << 31)
	#define SYS_CFG_WRITE (1 << 30)
	#define SYS_CFG_OSC (1 << 20)
	#define SYS_CFG_VOLT (2 << 20)
	#define SYS_CFG_AMP (3 << 20)
	#define SYS_CFG_TEMP (4 << 20)
	#define SYS_CFG_RESET (5 << 20)
	#define SYS_CFG_SCC (6 << 20)
	#define SYS_CFG_MUXFPGA (7 << 20)
	#define SYS_CFG_SHUTDOWN (8 << 20)
	#define SYS_CFG_REBOOT (9 << 20)
	#define SYS_CFG_DVIMODE (11 << 20)
	#define SYS_CFG_POWER (12 << 20)
	#define SYS_CFG_SITE_MB (0 << 16)
	#define SYS_CFG_SITE_DB1 (1 << 16)
	#define SYS_CFG_SITE_DB2 (2 << 16)
	#define SYS_CFG_STACK(n) ((n) << 12)

	#define SYS_CFG_ERR (1 << 1)
	#define SYS_CFG_COMPLETE (1 << 0)

	/* Board info register */
	#define SYS_ID V2M_SYSREGS
	#define CONFIG_REVISION_TAG 1

	#define CONFIG_SYS_MEMTEST_START V2M_BASE
	#define CONFIG_SYS_MEMTEST_END 0x20000000

	#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
	#define CONFIG_SETUP_MEMORY_TAGS 1
	#define CONFIG_SYS_L2CACHE_OFF 1
	#define CONFIG_INITRD_TAG 1

	/* Size of malloc() pool */
	#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024)

	#define SCTL_BASE V2M_SYSCTL
	#define VEXPRESS_FLASHPROG_FLVPPEN (1 << 0)

	#define CONFIG_SYS_TIMER_RATE 1000000
	#define CONFIG_SYS_TIMER_COUNTER (V2M_TIMER01 + 0x4)
	#define CONFIG_SYS_TIMER_COUNTS_DOWN

	/* PL011 Serial Configuration */
	#define CONFIG_PL011_CLOCK 24000000
	#define CONFIG_PL01x_PORTS {(void *)CONFIG_SYS_SERIAL0, \
	(void *)CONFIG_SYS_SERIAL1}

	#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
	#define CONFIG_SYS_SERIAL0 V2M_UART0
	#define CONFIG_SYS_SERIAL1 V2M_UART1

	#define CONFIG_ARM_PL180_MMCI
	#define CONFIG_ARM_PL180_MMCI_BASE V2M_MMCI
	#define CONFIG_SYS_MMC_MAX_BLK_COUNT 127
	#define CONFIG_ARM_PL180_MMCI_CLOCK_FREQ 6250000

	/* BOOTP options */
	#define CONFIG_BOOTP_BOOTFILESIZE

	/* Miscellaneous configurable options */
	#define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x8000)
	#define LINUX_BOOT_PARAM_ADDR (V2M_BASE + 0x2000)

	/* Physical Memory Map */
	#define CONFIG_NR_DRAM_BANKS 2
	#define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */
	#define PHYS_SDRAM_2 (((unsigned int)V2M_BASE) + \
	((unsigned int)0x20000000))
	#define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
	#define PHYS_SDRAM_2_SIZE 0x20000000 /* 512 MB */

	/* additions for new relocation code */
	#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
	#define CONFIG_SYS_INIT_RAM_SIZE 0x1000
	#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \
	CONFIG_SYS_INIT_RAM_SIZE - \
	GENERATED_GBL_DATA_SIZE)
	#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET

	/* Basic environment settings */
	#define BOOT_TARGET_DEVICES(func) \
	func(MMC, mmc, 1) \
	func(MMC, mmc, 0) \
	func(PXE, pxe, na) \
	func(DHCP, dhcp, na)
	#include <config_distro_bootcmd.h>

	#ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
	#define CONFIG_PLATFORM_ENV_SETTINGS \
	"loadaddr=0x80008000\0" \
	"ramdisk_addr_r=0x61000000\0" \
	"kernel_addr=0x44100000\0" \
	"ramdisk_addr=0x44800000\0" \
	"maxramdisk=0x1800000\0" \
	"pxefile_addr_r=0x88000000\0" \
	"scriptaddr=0x88000000\0" \
	"kernel_addr_r=0x80008000\0"
	#elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP)
	#define CONFIG_PLATFORM_ENV_SETTINGS \
	"loadaddr=0xa0008000\0" \
	"ramdisk_addr_r=0x81000000\0" \
	"kernel_addr=0x0c100000\0" \
	"ramdisk_addr=0x0c800000\0" \
	"maxramdisk=0x1800000\0" \
	"pxefile_addr_r=0xa8000000\0" \
	"scriptaddr=0xa8000000\0" \
	"kernel_addr_r=0xa0008000\0"
	#endif
	#define CONFIG_EXTRA_ENV_SETTINGS \
	CONFIG_PLATFORM_ENV_SETTINGS \
	BOOTENV \
	"console=ttyAMA0,38400n8\0" \
	"dram=1024M\0" \
	"root=/dev/sda1 rw\0" \
	"mtd=armflash:1M@0x800000(uboot),7M@0x1000000(kernel)," \
	"24M@0x2000000(initrd)\0" \
	"flashargs=setenv bootargs root=${root} console=${console} " \
	"mem=${dram} mtdparts=${mtd} mmci.fmax=190000 " \
	"devtmpfs.mount=0 vmalloc=256M\0" \
	"bootflash=run flashargs; " \
	"cp ${ramdisk_addr} ${ramdisk_addr_r} ${maxramdisk}; " \
	"bootm ${kernel_addr} ${ramdisk_addr_r}\0"

	/* FLASH and environment organization */
	#define PHYS_FLASH_SIZE 0x04000000 /* 64MB */
	#define CONFIG_SYS_FLASH_CFI 1
	#define CONFIG_FLASH_CFI_DRIVER 1
	#define CONFIG_SYS_FLASH_SIZE 0x04000000
	#define CONFIG_SYS_MAX_FLASH_BANKS 2
	#define CONFIG_SYS_FLASH_BASE0 V2M_NOR0
	#define CONFIG_SYS_FLASH_BASE1 V2M_NOR1
	#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE0

	/* Timeout values in ticks */
	#define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */
	#define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */

	/* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
	#define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */
	#define FLASH_MAX_SECTOR_SIZE 0x00040000 /* 256 KB sectors */

	/* Room required on the stack for the environment data */
	#define CONFIG_ENV_SIZE FLASH_MAX_SECTOR_SIZE

	#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */

	/*
	* Amount of flash used for environment:
	* We don't know which end has the small erase blocks so we use the penultimate
	* sector location for the environment
	*/
	#define CONFIG_ENV_SECT_SIZE FLASH_MAX_SECTOR_SIZE
	#define CONFIG_ENV_OVERWRITE 1

	/* Store environment at top of flash */
	#define CONFIG_ENV_OFFSET (PHYS_FLASH_SIZE - \
	(2 * CONFIG_ENV_SECT_SIZE))
	#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE1 + \
	CONFIG_ENV_OFFSET)
	#define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */
	#define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */
	#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE0, \
	CONFIG_SYS_FLASH_BASE1 }

	/* Monitor Command Prompt */
	#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */

	#endif /* VEXPRESS_COMMON_H */