/* SPDX-License-Identifier: GPL-2.0+ */ /* * (C) Copyright 2011 ARM Limited * (C) Copyright 2010 Linaro * Matt Waddel, * * 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_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_CMDLINE_TAG 1 /* enable passing of ATAGs */ #define CONFIG_SETUP_MEMORY_TAGS 1 #define CONFIG_SYS_L2CACHE_OFF 1 #define CONFIG_INITRD_TAG 1 #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_SYS_MMC_MAX_BLK_COUNT 127 /* BOOTP options */ #define CONFIG_BOOTP_BOOTFILESIZE /* Miscellaneous configurable options */ #define LINUX_BOOT_PARAM_ADDR (V2M_BASE + 0x2000) /* Physical Memory Map */ #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 #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" \ "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" /* FLASH and environment organization */ #define PHYS_FLASH_SIZE 0x04000000 /* 64MB */ #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 */ /* * 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 */ /* Store environment at top of flash */ #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 */