1 /* 2 * Configuration for Versatile Express. Parts were derived from other ARM 3 * configurations. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef __VEXPRESS_AEMV8A_H 9 #define __VEXPRESS_AEMV8A_H 10 11 /* We use generic board and device manager for v8 Versatile Express */ 12 #define CONFIG_SYS_GENERIC_BOARD 13 #define CONFIG_DM 14 15 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP 16 #ifndef CONFIG_SEMIHOSTING 17 #error CONFIG_TARGET_VEXPRESS64_BASE_FVP requires CONFIG_SEMIHOSTING 18 #endif 19 #define CONFIG_ARMV8_SWITCH_TO_EL1 20 #endif 21 22 #define CONFIG_REMAKE_ELF 23 24 #define CONFIG_SUPPORT_RAW_INITRD 25 26 /* Cache Definitions */ 27 #define CONFIG_SYS_DCACHE_OFF 28 #define CONFIG_SYS_ICACHE_OFF 29 30 #define CONFIG_IDENT_STRING " vexpress_aemv8a" 31 #define CONFIG_BOOTP_VCI_STRING "U-boot.armv8.vexpress_aemv8a" 32 33 /* Link Definitions */ 34 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP 35 /* ATF loads u-boot here for BASE_FVP model */ 36 #define CONFIG_SYS_TEXT_BASE 0x88000000 37 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x03f00000) 38 #elif CONFIG_TARGET_VEXPRESS64_JUNO 39 #define CONFIG_SYS_TEXT_BASE 0xe0000000 40 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7fff0) 41 #else 42 #error "Unknown board variant" 43 #endif 44 45 /* Flat Device Tree Definitions */ 46 #define CONFIG_OF_LIBFDT 47 48 /* CS register bases for the original memory map. */ 49 #define V2M_PA_CS0 0x00000000 50 #define V2M_PA_CS1 0x14000000 51 #define V2M_PA_CS2 0x18000000 52 #define V2M_PA_CS3 0x1c000000 53 #define V2M_PA_CS4 0x0c000000 54 #define V2M_PA_CS5 0x10000000 55 56 #define V2M_PERIPH_OFFSET(x) (x << 16) 57 #define V2M_SYSREGS (V2M_PA_CS3 + V2M_PERIPH_OFFSET(1)) 58 #define V2M_SYSCTL (V2M_PA_CS3 + V2M_PERIPH_OFFSET(2)) 59 #define V2M_SERIAL_BUS_PCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(3)) 60 61 #define V2M_BASE 0x80000000 62 63 /* Common peripherals relative to CS7. */ 64 #define V2M_AACI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(4)) 65 #define V2M_MMCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(5)) 66 #define V2M_KMI0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(6)) 67 #define V2M_KMI1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(7)) 68 69 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 70 #define V2M_UART0 0x7ff80000 71 #define V2M_UART1 0x7ff70000 72 #else /* Not Juno */ 73 #define V2M_UART0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(9)) 74 #define V2M_UART1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(10)) 75 #define V2M_UART2 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(11)) 76 #define V2M_UART3 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(12)) 77 #endif 78 79 #define V2M_WDT (V2M_PA_CS3 + V2M_PERIPH_OFFSET(15)) 80 81 #define V2M_TIMER01 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(17)) 82 #define V2M_TIMER23 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(18)) 83 84 #define V2M_SERIAL_BUS_DVI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(22)) 85 #define V2M_RTC (V2M_PA_CS3 + V2M_PERIPH_OFFSET(23)) 86 87 #define V2M_CF (V2M_PA_CS3 + V2M_PERIPH_OFFSET(26)) 88 89 #define V2M_CLCD (V2M_PA_CS3 + V2M_PERIPH_OFFSET(31)) 90 91 /* System register offsets. */ 92 #define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0) 93 #define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4) 94 #define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8) 95 96 /* Generic Timer Definitions */ 97 #define COUNTER_FREQUENCY (0x1800000) /* 24MHz */ 98 99 /* Generic Interrupt Controller Definitions */ 100 #ifdef CONFIG_GICV3 101 #define GICD_BASE (0x2f000000) 102 #define GICR_BASE (0x2f100000) 103 #else 104 105 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP 106 #define GICD_BASE (0x2f000000) 107 #define GICC_BASE (0x2c000000) 108 #elif CONFIG_TARGET_VEXPRESS64_JUNO 109 #define GICD_BASE (0x2C010000) 110 #define GICC_BASE (0x2C02f000) 111 #else 112 #error "Unknown board variant" 113 #endif 114 #endif /* !CONFIG_GICV3 */ 115 116 #define CONFIG_SYS_MEMTEST_START V2M_BASE 117 #define CONFIG_SYS_MEMTEST_END (V2M_BASE + 0x80000000) 118 119 /* Size of malloc() pool */ 120 #define CONFIG_SYS_MALLOC_F_LEN 0x2000 121 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 << 20)) 122 123 /* Ethernet Configuration */ 124 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 125 /* The real hardware Versatile express uses SMSC9118 */ 126 #define CONFIG_SMC911X 1 127 #define CONFIG_SMC911X_32_BIT 1 128 #define CONFIG_SMC911X_BASE (0x018000000) 129 #else 130 /* The Vexpress64 simulators use SMSC91C111 */ 131 #define CONFIG_SMC91111 1 132 #define CONFIG_SMC91111_BASE (0x01A000000) 133 #endif 134 135 /* PL011 Serial Configuration */ 136 #define CONFIG_DM_SERIAL 137 #define CONFIG_BAUDRATE 115200 138 #define CONFIG_CONS_INDEX 0 139 #define CONFIG_PL01X_SERIAL 140 #define CONFIG_PL011_SERIAL 141 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 142 #define CONFIG_PL011_CLOCK 7273800 143 #else 144 #define CONFIG_PL011_CLOCK 24000000 145 #endif 146 147 /* Command line configuration */ 148 #define CONFIG_MENU 149 /*#define CONFIG_MENU_SHOW*/ 150 #define CONFIG_CMD_CACHE 151 #define CONFIG_CMD_BDI 152 #define CONFIG_CMD_BOOTI 153 #define CONFIG_CMD_UNZIP 154 #define CONFIG_CMD_DHCP 155 #define CONFIG_CMD_PXE 156 #define CONFIG_CMD_ENV 157 #define CONFIG_CMD_IMI 158 #define CONFIG_CMD_LOADB 159 #define CONFIG_CMD_MEMORY 160 #define CONFIG_CMD_MII 161 #define CONFIG_CMD_NET 162 #define CONFIG_CMD_PING 163 #define CONFIG_CMD_SAVEENV 164 #define CONFIG_CMD_RUN 165 #define CONFIG_CMD_BOOTD 166 #define CONFIG_CMD_ECHO 167 #define CONFIG_CMD_SOURCE 168 #define CONFIG_CMD_FAT 169 #define CONFIG_DOS_PARTITION 170 171 /* BOOTP options */ 172 #define CONFIG_BOOTP_BOOTFILESIZE 173 #define CONFIG_BOOTP_BOOTPATH 174 #define CONFIG_BOOTP_GATEWAY 175 #define CONFIG_BOOTP_HOSTNAME 176 #define CONFIG_BOOTP_PXE 177 #define CONFIG_BOOTP_PXE_CLIENTARCH 0x100 178 179 /* Miscellaneous configurable options */ 180 #define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x10000000) 181 182 /* Physical Memory Map */ 183 #define CONFIG_NR_DRAM_BANKS 1 184 #define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */ 185 #define PHYS_SDRAM_1_SIZE 0x80000000 /* 2048 MB */ 186 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 187 188 /* Initial environment variables */ 189 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 190 /* 191 * Defines where the kernel and FDT exist in NOR flash and where it will 192 * be copied into DRAM 193 */ 194 #define CONFIG_EXTRA_ENV_SETTINGS \ 195 "kernel_name=Image\0" \ 196 "kernel_addr=0x80000000\0" \ 197 "fdt_name=juno\0" \ 198 "fdt_addr=0x83000000\0" \ 199 "fdt_high=0xffffffffffffffff\0" \ 200 "initrd_high=0xffffffffffffffff\0" \ 201 202 /* Assume we boot with root on the first partition of a USB stick */ 203 #define CONFIG_BOOTARGS "console=ttyAMA0,115200n8 " \ 204 "root=/dev/sda1 rw " \ 205 "earlyprintk=pl011,0x7ff80000 debug user_debug=31 "\ 206 "loglevel=9" 207 208 /* Copy the kernel and FDT to DRAM memory and boot */ 209 #define CONFIG_BOOTCOMMAND "afs load ${kernel_name} ${kernel_addr} ; " \ 210 "afs load ${fdt_name} ${fdt_addr} ; " \ 211 "fdt addr ${fdt_addr}; fdt resize; " \ 212 "booti ${kernel_addr} - ${fdt_addr}" 213 214 #define CONFIG_BOOTDELAY 1 215 216 #elif CONFIG_TARGET_VEXPRESS64_BASE_FVP 217 #define CONFIG_EXTRA_ENV_SETTINGS \ 218 "kernel_name=uImage\0" \ 219 "kernel_addr=0x80000000\0" \ 220 "initrd_name=ramdisk.img\0" \ 221 "initrd_addr=0x88000000\0" \ 222 "fdt_name=devtree.dtb\0" \ 223 "fdt_addr=0x83000000\0" \ 224 "fdt_high=0xffffffffffffffff\0" \ 225 "initrd_high=0xffffffffffffffff\0" 226 227 #define CONFIG_BOOTARGS "console=ttyAMA0 earlyprintk=pl011,"\ 228 "0x1c090000 debug user_debug=31 "\ 229 "loglevel=9" 230 231 #define CONFIG_BOOTCOMMAND "smhload ${kernel_name} ${kernel_addr}; " \ 232 "smhload ${fdt_name} $fdt_addr; " \ 233 "smhload ${initrd_name} $initrd_addr initrd_end; " \ 234 "fdt addr $fdt_addr; fdt resize; " \ 235 "fdt chosen $initrd_addr $initrd_end; " \ 236 "bootm $kernel_addr - $fdt_addr" 237 238 #define CONFIG_BOOTDELAY 1 239 240 #else 241 #error "Unknown board variant" 242 #endif 243 244 /* Do not preserve environment */ 245 #define CONFIG_ENV_IS_NOWHERE 1 246 #define CONFIG_ENV_SIZE 0x1000 247 248 /* Monitor Command Prompt */ 249 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 250 #define CONFIG_SYS_PROMPT "VExpress64# " 251 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 252 sizeof(CONFIG_SYS_PROMPT) + 16) 253 #define CONFIG_SYS_HUSH_PARSER 254 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 255 #define CONFIG_SYS_LONGHELP 256 #define CONFIG_CMDLINE_EDITING 257 #define CONFIG_SYS_MAXARGS 64 /* max command args */ 258 259 /* Flash memory is available on the Juno board only */ 260 #ifndef CONFIG_TARGET_VEXPRESS64_JUNO 261 #define CONFIG_SYS_NO_FLASH 262 #else 263 #define CONFIG_CMD_FLASH 264 #define CONFIG_CMD_ARMFLASH 265 #define CONFIG_SYS_FLASH_CFI 1 266 #define CONFIG_FLASH_CFI_DRIVER 1 267 #define CONFIG_SYS_FLASH_BASE 0x08000000 268 #define CONFIG_SYS_FLASH_SIZE 0x04000000 /* 64 MiB */ 269 #define CONFIG_SYS_MAX_FLASH_BANKS 2 270 271 /* Timeout values in ticks */ 272 #define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */ 273 #define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */ 274 275 /* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */ 276 #define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */ 277 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */ 278 #define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */ 279 #define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ 280 281 #endif 282 283 #endif /* __VEXPRESS_AEMV8A_H */ 284