1 /* 2 * (C) Copyright 2011 ARM Limited 3 * (C) Copyright 2010 Linaro 4 * Matt Waddel, <matt.waddel@linaro.org> 5 * 6 * Configuration for Versatile Express. Parts were derived from other ARM 7 * configurations. 8 * 9 * SPDX-License-Identifier: GPL-2.0+ 10 */ 11 12 #ifndef __VEXPRESS_COMMON_H 13 #define __VEXPRESS_COMMON_H 14 15 /* 16 * Definitions copied from linux kernel: 17 * arch/arm/mach-vexpress/include/mach/motherboard.h 18 */ 19 #ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP 20 /* CS register bases for the original memory map. */ 21 #define V2M_PA_CS0 0x40000000 22 #define V2M_PA_CS1 0x44000000 23 #define V2M_PA_CS2 0x48000000 24 #define V2M_PA_CS3 0x4c000000 25 #define V2M_PA_CS7 0x10000000 26 27 #define V2M_PERIPH_OFFSET(x) (x << 12) 28 #define V2M_SYSREGS (V2M_PA_CS7 + V2M_PERIPH_OFFSET(0)) 29 #define V2M_SYSCTL (V2M_PA_CS7 + V2M_PERIPH_OFFSET(1)) 30 #define V2M_SERIAL_BUS_PCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(2)) 31 32 #define V2M_BASE 0x60000000 33 #define CONFIG_SYS_TEXT_BASE 0x60800000 34 #elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP) 35 /* CS register bases for the extended memory map. */ 36 #define V2M_PA_CS0 0x08000000 37 #define V2M_PA_CS1 0x0c000000 38 #define V2M_PA_CS2 0x14000000 39 #define V2M_PA_CS3 0x18000000 40 #define V2M_PA_CS7 0x1c000000 41 42 #define V2M_PERIPH_OFFSET(x) (x << 16) 43 #define V2M_SYSREGS (V2M_PA_CS7 + V2M_PERIPH_OFFSET(1)) 44 #define V2M_SYSCTL (V2M_PA_CS7 + V2M_PERIPH_OFFSET(2)) 45 #define V2M_SERIAL_BUS_PCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(3)) 46 47 #define V2M_BASE 0x80000000 48 #define CONFIG_SYS_TEXT_BASE 0x80800000 49 #endif 50 51 /* 52 * Physical addresses, offset from V2M_PA_CS0-3 53 */ 54 #define V2M_NOR0 (V2M_PA_CS0) 55 #define V2M_NOR1 (V2M_PA_CS1) 56 #define V2M_SRAM (V2M_PA_CS2) 57 #define V2M_VIDEO_SRAM (V2M_PA_CS3 + 0x00000000) 58 #define V2M_ISP1761 (V2M_PA_CS3 + 0x03000000) 59 60 /* Common peripherals relative to CS7. */ 61 #define V2M_AACI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(4)) 62 #define V2M_MMCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(5)) 63 #define V2M_KMI0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(6)) 64 #define V2M_KMI1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(7)) 65 66 #define V2M_UART0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(9)) 67 #define V2M_UART1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(10)) 68 #define V2M_UART2 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(11)) 69 #define V2M_UART3 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(12)) 70 71 #define V2M_WDT (V2M_PA_CS7 + V2M_PERIPH_OFFSET(15)) 72 73 #define V2M_TIMER01 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(17)) 74 #define V2M_TIMER23 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(18)) 75 76 #define V2M_SERIAL_BUS_DVI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(22)) 77 #define V2M_RTC (V2M_PA_CS7 + V2M_PERIPH_OFFSET(23)) 78 79 #define V2M_CF (V2M_PA_CS7 + V2M_PERIPH_OFFSET(26)) 80 81 #define V2M_CLCD (V2M_PA_CS7 + V2M_PERIPH_OFFSET(31)) 82 #define V2M_SIZE_CS7 V2M_PERIPH_OFFSET(32) 83 84 /* System register offsets. */ 85 #define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0) 86 #define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4) 87 #define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8) 88 89 /* 90 * Configuration 91 */ 92 #define SYS_CFG_START (1 << 31) 93 #define SYS_CFG_WRITE (1 << 30) 94 #define SYS_CFG_OSC (1 << 20) 95 #define SYS_CFG_VOLT (2 << 20) 96 #define SYS_CFG_AMP (3 << 20) 97 #define SYS_CFG_TEMP (4 << 20) 98 #define SYS_CFG_RESET (5 << 20) 99 #define SYS_CFG_SCC (6 << 20) 100 #define SYS_CFG_MUXFPGA (7 << 20) 101 #define SYS_CFG_SHUTDOWN (8 << 20) 102 #define SYS_CFG_REBOOT (9 << 20) 103 #define SYS_CFG_DVIMODE (11 << 20) 104 #define SYS_CFG_POWER (12 << 20) 105 #define SYS_CFG_SITE_MB (0 << 16) 106 #define SYS_CFG_SITE_DB1 (1 << 16) 107 #define SYS_CFG_SITE_DB2 (2 << 16) 108 #define SYS_CFG_STACK(n) ((n) << 12) 109 110 #define SYS_CFG_ERR (1 << 1) 111 #define SYS_CFG_COMPLETE (1 << 0) 112 113 /* Board info register */ 114 #define SYS_ID V2M_SYSREGS 115 #define CONFIG_REVISION_TAG 1 116 117 #define CONFIG_SYS_MEMTEST_START V2M_BASE 118 #define CONFIG_SYS_MEMTEST_END 0x20000000 119 120 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 121 #define CONFIG_SETUP_MEMORY_TAGS 1 122 #define CONFIG_SYS_L2CACHE_OFF 1 123 #define CONFIG_INITRD_TAG 1 124 125 /* Size of malloc() pool */ 126 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024) 127 128 #define SCTL_BASE V2M_SYSCTL 129 #define VEXPRESS_FLASHPROG_FLVPPEN (1 << 0) 130 131 #define CONFIG_SYS_TIMER_RATE 1000000 132 #define CONFIG_SYS_TIMER_COUNTER (V2M_TIMER01 + 0x4) 133 #define CONFIG_SYS_TIMER_COUNTS_DOWN 134 135 /* PL011 Serial Configuration */ 136 #define CONFIG_PL011_CLOCK 24000000 137 #define CONFIG_PL01x_PORTS {(void *)CONFIG_SYS_SERIAL0, \ 138 (void *)CONFIG_SYS_SERIAL1} 139 #define CONFIG_CONS_INDEX 0 140 141 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 142 #define CONFIG_SYS_SERIAL0 V2M_UART0 143 #define CONFIG_SYS_SERIAL1 V2M_UART1 144 145 #define CONFIG_ARM_PL180_MMCI 146 #define CONFIG_ARM_PL180_MMCI_BASE V2M_MMCI 147 #define CONFIG_SYS_MMC_MAX_BLK_COUNT 127 148 #define CONFIG_ARM_PL180_MMCI_CLOCK_FREQ 6250000 149 150 /* BOOTP options */ 151 #define CONFIG_BOOTP_BOOTFILESIZE 152 #define CONFIG_BOOTP_BOOTPATH 153 #define CONFIG_BOOTP_GATEWAY 154 #define CONFIG_BOOTP_HOSTNAME 155 156 /* Miscellaneous configurable options */ 157 #define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x8000) 158 #define LINUX_BOOT_PARAM_ADDR (V2M_BASE + 0x2000) 159 160 /* Physical Memory Map */ 161 #define CONFIG_NR_DRAM_BANKS 2 162 #define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */ 163 #define PHYS_SDRAM_2 (((unsigned int)V2M_BASE) + \ 164 ((unsigned int)0x20000000)) 165 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */ 166 #define PHYS_SDRAM_2_SIZE 0x20000000 /* 512 MB */ 167 168 /* additions for new relocation code */ 169 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 170 #define CONFIG_SYS_INIT_RAM_SIZE 0x1000 171 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \ 172 CONFIG_SYS_INIT_RAM_SIZE - \ 173 GENERATED_GBL_DATA_SIZE) 174 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET 175 176 #include <config_distro_defaults.h> 177 178 /* Basic environment settings */ 179 #define BOOT_TARGET_DEVICES(func) \ 180 func(MMC, mmc, 1) \ 181 func(MMC, mmc, 0) \ 182 func(PXE, pxe, na) \ 183 func(DHCP, dhcp, na) 184 #include <config_distro_bootcmd.h> 185 186 #ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP 187 #define CONFIG_PLATFORM_ENV_SETTINGS \ 188 "loadaddr=0x80008000\0" \ 189 "ramdisk_addr_r=0x61000000\0" \ 190 "kernel_addr=0x44100000\0" \ 191 "ramdisk_addr=0x44800000\0" \ 192 "maxramdisk=0x1800000\0" \ 193 "pxefile_addr_r=0x88000000\0" \ 194 "scriptaddr=0x88000000\0" \ 195 "kernel_addr_r=0x80008000\0" 196 #elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP) 197 #define CONFIG_PLATFORM_ENV_SETTINGS \ 198 "loadaddr=0xa0008000\0" \ 199 "ramdisk_addr_r=0x81000000\0" \ 200 "kernel_addr=0x0c100000\0" \ 201 "ramdisk_addr=0x0c800000\0" \ 202 "maxramdisk=0x1800000\0" \ 203 "pxefile_addr_r=0xa8000000\0" \ 204 "scriptaddr=0xa8000000\0" \ 205 "kernel_addr_r=0xa0008000\0" 206 #endif 207 #define CONFIG_EXTRA_ENV_SETTINGS \ 208 CONFIG_PLATFORM_ENV_SETTINGS \ 209 BOOTENV \ 210 "console=ttyAMA0,38400n8\0" \ 211 "dram=1024M\0" \ 212 "root=/dev/sda1 rw\0" \ 213 "mtd=armflash:1M@0x800000(uboot),7M@0x1000000(kernel)," \ 214 "24M@0x2000000(initrd)\0" \ 215 "flashargs=setenv bootargs root=${root} console=${console} " \ 216 "mem=${dram} mtdparts=${mtd} mmci.fmax=190000 " \ 217 "devtmpfs.mount=0 vmalloc=256M\0" \ 218 "bootflash=run flashargs; " \ 219 "cp ${ramdisk_addr} ${ramdisk_addr_r} ${maxramdisk}; " \ 220 "bootm ${kernel_addr} ${ramdisk_addr_r}\0" 221 222 /* FLASH and environment organization */ 223 #define PHYS_FLASH_SIZE 0x04000000 /* 64MB */ 224 #define CONFIG_SYS_FLASH_CFI 1 225 #define CONFIG_FLASH_CFI_DRIVER 1 226 #define CONFIG_SYS_FLASH_SIZE 0x04000000 227 #define CONFIG_SYS_MAX_FLASH_BANKS 2 228 #define CONFIG_SYS_FLASH_BASE0 V2M_NOR0 229 #define CONFIG_SYS_FLASH_BASE1 V2M_NOR1 230 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE0 231 232 /* Timeout values in ticks */ 233 #define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */ 234 #define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */ 235 236 /* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */ 237 #define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */ 238 #define FLASH_MAX_SECTOR_SIZE 0x00040000 /* 256 KB sectors */ 239 240 /* Room required on the stack for the environment data */ 241 #define CONFIG_ENV_SIZE FLASH_MAX_SECTOR_SIZE 242 243 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */ 244 245 /* 246 * Amount of flash used for environment: 247 * We don't know which end has the small erase blocks so we use the penultimate 248 * sector location for the environment 249 */ 250 #define CONFIG_ENV_SECT_SIZE FLASH_MAX_SECTOR_SIZE 251 #define CONFIG_ENV_OVERWRITE 1 252 253 /* Store environment at top of flash */ 254 #define CONFIG_ENV_OFFSET (PHYS_FLASH_SIZE - \ 255 (2 * CONFIG_ENV_SECT_SIZE)) 256 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE1 + \ 257 CONFIG_ENV_OFFSET) 258 #define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */ 259 #define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ 260 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE0, \ 261 CONFIG_SYS_FLASH_BASE1 } 262 263 /* Monitor Command Prompt */ 264 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 265 #define CONFIG_SYS_LONGHELP 266 267 #endif /* VEXPRESS_COMMON_H */ 268