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_LAN9118 (V2M_PA_CS3 + 0x02000000) 59 #define V2M_ISP1761 (V2M_PA_CS3 + 0x03000000) 60 61 /* Common peripherals relative to CS7. */ 62 #define V2M_AACI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(4)) 63 #define V2M_MMCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(5)) 64 #define V2M_KMI0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(6)) 65 #define V2M_KMI1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(7)) 66 67 #define V2M_UART0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(9)) 68 #define V2M_UART1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(10)) 69 #define V2M_UART2 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(11)) 70 #define V2M_UART3 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(12)) 71 72 #define V2M_WDT (V2M_PA_CS7 + V2M_PERIPH_OFFSET(15)) 73 74 #define V2M_TIMER01 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(17)) 75 #define V2M_TIMER23 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(18)) 76 77 #define V2M_SERIAL_BUS_DVI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(22)) 78 #define V2M_RTC (V2M_PA_CS7 + V2M_PERIPH_OFFSET(23)) 79 80 #define V2M_CF (V2M_PA_CS7 + V2M_PERIPH_OFFSET(26)) 81 82 #define V2M_CLCD (V2M_PA_CS7 + V2M_PERIPH_OFFSET(31)) 83 #define V2M_SIZE_CS7 V2M_PERIPH_OFFSET(32) 84 85 /* System register offsets. */ 86 #define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0) 87 #define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4) 88 #define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8) 89 90 /* 91 * Configuration 92 */ 93 #define SYS_CFG_START (1 << 31) 94 #define SYS_CFG_WRITE (1 << 30) 95 #define SYS_CFG_OSC (1 << 20) 96 #define SYS_CFG_VOLT (2 << 20) 97 #define SYS_CFG_AMP (3 << 20) 98 #define SYS_CFG_TEMP (4 << 20) 99 #define SYS_CFG_RESET (5 << 20) 100 #define SYS_CFG_SCC (6 << 20) 101 #define SYS_CFG_MUXFPGA (7 << 20) 102 #define SYS_CFG_SHUTDOWN (8 << 20) 103 #define SYS_CFG_REBOOT (9 << 20) 104 #define SYS_CFG_DVIMODE (11 << 20) 105 #define SYS_CFG_POWER (12 << 20) 106 #define SYS_CFG_SITE_MB (0 << 16) 107 #define SYS_CFG_SITE_DB1 (1 << 16) 108 #define SYS_CFG_SITE_DB2 (2 << 16) 109 #define SYS_CFG_STACK(n) ((n) << 12) 110 111 #define SYS_CFG_ERR (1 << 1) 112 #define SYS_CFG_COMPLETE (1 << 0) 113 114 /* Board info register */ 115 #define SYS_ID V2M_SYSREGS 116 #define CONFIG_REVISION_TAG 1 117 118 #define CONFIG_SYS_MEMTEST_START V2M_BASE 119 #define CONFIG_SYS_MEMTEST_END 0x20000000 120 121 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 122 #define CONFIG_SETUP_MEMORY_TAGS 1 123 #define CONFIG_SYS_L2CACHE_OFF 1 124 #define CONFIG_INITRD_TAG 1 125 #define CONFIG_SYS_GENERIC_BOARD 126 127 /* Size of malloc() pool */ 128 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024) 129 130 #define SCTL_BASE V2M_SYSCTL 131 #define VEXPRESS_FLASHPROG_FLVPPEN (1 << 0) 132 133 #define CONFIG_SYS_TIMER_RATE 1000000 134 #define CONFIG_SYS_TIMER_COUNTER (V2M_TIMER01 + 0x4) 135 #define CONFIG_SYS_TIMER_COUNTS_DOWN 136 137 /* SMSC9115 Ethernet from SMSC9118 family */ 138 #define CONFIG_SMC911X 1 139 #define CONFIG_SMC911X_32_BIT 1 140 #define CONFIG_SMC911X_BASE V2M_LAN9118 141 142 /* PL011 Serial Configuration */ 143 #define CONFIG_PL011_SERIAL 144 #define CONFIG_PL011_CLOCK 24000000 145 #define CONFIG_PL01x_PORTS {(void *)CONFIG_SYS_SERIAL0, \ 146 (void *)CONFIG_SYS_SERIAL1} 147 #define CONFIG_CONS_INDEX 0 148 149 #define CONFIG_BAUDRATE 38400 150 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 151 #define CONFIG_SYS_SERIAL0 V2M_UART0 152 #define CONFIG_SYS_SERIAL1 V2M_UART1 153 154 #define CONFIG_MMC 1 155 #define CONFIG_CMD_MMC 156 #define CONFIG_GENERIC_MMC 157 #define CONFIG_ARM_PL180_MMCI 158 #define CONFIG_ARM_PL180_MMCI_BASE V2M_MMCI 159 #define CONFIG_SYS_MMC_MAX_BLK_COUNT 127 160 #define CONFIG_ARM_PL180_MMCI_CLOCK_FREQ 6250000 161 162 /* BOOTP options */ 163 #define CONFIG_BOOTP_BOOTFILESIZE 164 #define CONFIG_BOOTP_BOOTPATH 165 #define CONFIG_BOOTP_GATEWAY 166 #define CONFIG_BOOTP_HOSTNAME 167 168 /* Miscellaneous configurable options */ 169 #define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x8000) 170 #define LINUX_BOOT_PARAM_ADDR (V2M_BASE + 0x2000) 171 #define CONFIG_BOOTDELAY 2 172 173 /* Physical Memory Map */ 174 #define CONFIG_NR_DRAM_BANKS 2 175 #define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */ 176 #define PHYS_SDRAM_2 (((unsigned int)V2M_BASE) + \ 177 ((unsigned int)0x20000000)) 178 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */ 179 #define PHYS_SDRAM_2_SIZE 0x20000000 /* 512 MB */ 180 181 /* additions for new relocation code */ 182 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 183 #define CONFIG_SYS_INIT_RAM_SIZE 0x1000 184 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \ 185 CONFIG_SYS_INIT_RAM_SIZE - \ 186 GENERATED_GBL_DATA_SIZE) 187 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET 188 #define CONFIG_CMD_ECHO 189 190 #include <config_distro_defaults.h> 191 192 /* Basic environment settings */ 193 #define CONFIG_BOOTCOMMAND \ 194 "run distro_bootcmd; " \ 195 "run bootflash; " 196 197 #define BOOT_TARGET_DEVICES(func) \ 198 func(MMC, mmc, 1) \ 199 func(MMC, mmc, 0) \ 200 func(PXE, pxe, na) \ 201 func(DHCP, dhcp, na) 202 #include <config_distro_bootcmd.h> 203 204 #ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP 205 #define CONFIG_PLATFORM_ENV_SETTINGS \ 206 "loadaddr=0x80008000\0" \ 207 "ramdisk_addr_r=0x61000000\0" \ 208 "kernel_addr=0x44100000\0" \ 209 "ramdisk_addr=0x44800000\0" \ 210 "maxramdisk=0x1800000\0" \ 211 "pxefile_addr_r=0x88000000\0" \ 212 "scriptaddr=0x88000000\0" \ 213 "kernel_addr_r=0x80008000\0" 214 #elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP) 215 #define CONFIG_PLATFORM_ENV_SETTINGS \ 216 "loadaddr=0xa0008000\0" \ 217 "ramdisk_addr_r=0x81000000\0" \ 218 "kernel_addr=0x0c100000\0" \ 219 "ramdisk_addr=0x0c800000\0" \ 220 "maxramdisk=0x1800000\0" \ 221 "pxefile_addr_r=0xa8000000\0" \ 222 "scriptaddr=0xa8000000\0" \ 223 "kernel_addr_r=0xa0008000\0" 224 #endif 225 #define CONFIG_EXTRA_ENV_SETTINGS \ 226 CONFIG_PLATFORM_ENV_SETTINGS \ 227 BOOTENV \ 228 "console=ttyAMA0,38400n8\0" \ 229 "dram=1024M\0" \ 230 "root=/dev/sda1 rw\0" \ 231 "mtd=armflash:1M@0x800000(uboot),7M@0x1000000(kernel)," \ 232 "24M@0x2000000(initrd)\0" \ 233 "flashargs=setenv bootargs root=${root} console=${console} " \ 234 "mem=${dram} mtdparts=${mtd} mmci.fmax=190000 " \ 235 "devtmpfs.mount=0 vmalloc=256M\0" \ 236 "bootflash=run flashargs; " \ 237 "cp ${ramdisk_addr} ${ramdisk_addr_r} ${maxramdisk}; " \ 238 "bootm ${kernel_addr} ${ramdisk_addr_r}\0" 239 240 /* FLASH and environment organization */ 241 #define PHYS_FLASH_SIZE 0x04000000 /* 64MB */ 242 #define CONFIG_SYS_FLASH_CFI 1 243 #define CONFIG_FLASH_CFI_DRIVER 1 244 #define CONFIG_SYS_FLASH_SIZE 0x04000000 245 #define CONFIG_SYS_MAX_FLASH_BANKS 2 246 #define CONFIG_SYS_FLASH_BASE0 V2M_NOR0 247 #define CONFIG_SYS_FLASH_BASE1 V2M_NOR1 248 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE0 249 250 /* Timeout values in ticks */ 251 #define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */ 252 #define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */ 253 254 /* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */ 255 #define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */ 256 #define FLASH_MAX_SECTOR_SIZE 0x00040000 /* 256 KB sectors */ 257 258 /* Room required on the stack for the environment data */ 259 #define CONFIG_ENV_SIZE FLASH_MAX_SECTOR_SIZE 260 261 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */ 262 263 /* 264 * Amount of flash used for environment: 265 * We don't know which end has the small erase blocks so we use the penultimate 266 * sector location for the environment 267 */ 268 #define CONFIG_ENV_SECT_SIZE FLASH_MAX_SECTOR_SIZE 269 #define CONFIG_ENV_OVERWRITE 1 270 271 /* Store environment at top of flash */ 272 #define CONFIG_ENV_IS_IN_FLASH 1 273 #define CONFIG_ENV_OFFSET (PHYS_FLASH_SIZE - \ 274 (2 * CONFIG_ENV_SECT_SIZE)) 275 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE1 + \ 276 CONFIG_ENV_OFFSET) 277 #define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */ 278 #define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ 279 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE0, \ 280 CONFIG_SYS_FLASH_BASE1 } 281 282 /* Monitor Command Prompt */ 283 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 284 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 285 sizeof(CONFIG_SYS_PROMPT) + 16) 286 #define CONFIG_SYS_HUSH_PARSER 287 288 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot args buffer */ 289 #define CONFIG_SYS_LONGHELP 290 #define CONFIG_SYS_MAXARGS 16 /* max command args */ 291 292 #endif /* VEXPRESS_COMMON_H */ 293