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 for v8 Versatile Express */ 12 #define CONFIG_SYS_GENERIC_BOARD 13 14 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP 15 #ifndef CONFIG_SEMIHOSTING 16 #error CONFIG_TARGET_VEXPRESS64_BASE_FVP requires CONFIG_SEMIHOSTING 17 #endif 18 #define CONFIG_ARMV8_SWITCH_TO_EL1 19 #endif 20 21 #define CONFIG_REMAKE_ELF 22 23 #define CONFIG_SUPPORT_RAW_INITRD 24 25 /* Cache Definitions */ 26 #define CONFIG_SYS_DCACHE_OFF 27 #define CONFIG_SYS_ICACHE_OFF 28 29 #define CONFIG_IDENT_STRING " vexpress_aemv8a" 30 #define CONFIG_BOOTP_VCI_STRING "U-boot.armv8.vexpress_aemv8a" 31 32 /* Link Definitions */ 33 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP 34 /* ATF loads u-boot here for BASE_FVP model */ 35 #define CONFIG_SYS_TEXT_BASE 0x88000000 36 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x03f00000) 37 #elif CONFIG_TARGET_VEXPRESS64_JUNO 38 #define CONFIG_SYS_TEXT_BASE 0xe0000000 39 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7fff0) 40 #else 41 #error "Unknown board variant" 42 #endif 43 44 /* Flat Device Tree Definitions */ 45 #define CONFIG_OF_LIBFDT 46 47 /* CS register bases for the original memory map. */ 48 #define V2M_PA_CS0 0x00000000 49 #define V2M_PA_CS1 0x14000000 50 #define V2M_PA_CS2 0x18000000 51 #define V2M_PA_CS3 0x1c000000 52 #define V2M_PA_CS4 0x0c000000 53 #define V2M_PA_CS5 0x10000000 54 55 #define V2M_PERIPH_OFFSET(x) (x << 16) 56 #define V2M_SYSREGS (V2M_PA_CS3 + V2M_PERIPH_OFFSET(1)) 57 #define V2M_SYSCTL (V2M_PA_CS3 + V2M_PERIPH_OFFSET(2)) 58 #define V2M_SERIAL_BUS_PCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(3)) 59 60 #define V2M_BASE 0x80000000 61 62 /* Common peripherals relative to CS7. */ 63 #define V2M_AACI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(4)) 64 #define V2M_MMCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(5)) 65 #define V2M_KMI0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(6)) 66 #define V2M_KMI1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(7)) 67 68 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 69 #define V2M_UART0 0x7ff80000 70 #define V2M_UART1 0x7ff70000 71 #else /* Not Juno */ 72 #define V2M_UART0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(9)) 73 #define V2M_UART1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(10)) 74 #define V2M_UART2 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(11)) 75 #define V2M_UART3 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(12)) 76 #endif 77 78 #define V2M_WDT (V2M_PA_CS3 + V2M_PERIPH_OFFSET(15)) 79 80 #define V2M_TIMER01 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(17)) 81 #define V2M_TIMER23 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(18)) 82 83 #define V2M_SERIAL_BUS_DVI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(22)) 84 #define V2M_RTC (V2M_PA_CS3 + V2M_PERIPH_OFFSET(23)) 85 86 #define V2M_CF (V2M_PA_CS3 + V2M_PERIPH_OFFSET(26)) 87 88 #define V2M_CLCD (V2M_PA_CS3 + V2M_PERIPH_OFFSET(31)) 89 90 /* System register offsets. */ 91 #define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0) 92 #define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4) 93 #define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8) 94 95 /* Generic Timer Definitions */ 96 #define COUNTER_FREQUENCY (0x1800000) /* 24MHz */ 97 98 /* Generic Interrupt Controller Definitions */ 99 #ifdef CONFIG_GICV3 100 #define GICD_BASE (0x2f000000) 101 #define GICR_BASE (0x2f100000) 102 #else 103 104 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP 105 #define GICD_BASE (0x2f000000) 106 #define GICC_BASE (0x2c000000) 107 #elif CONFIG_TARGET_VEXPRESS64_JUNO 108 #define GICD_BASE (0x2C010000) 109 #define GICC_BASE (0x2C02f000) 110 #else 111 #error "Unknown board variant" 112 #endif 113 #endif /* !CONFIG_GICV3 */ 114 115 #define CONFIG_SYS_MEMTEST_START V2M_BASE 116 #define CONFIG_SYS_MEMTEST_END (V2M_BASE + 0x80000000) 117 118 /* Size of malloc() pool */ 119 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 << 20)) 120 121 /* Ethernet Configuration */ 122 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 123 /* The real hardware Versatile express uses SMSC9118 */ 124 #define CONFIG_SMC911X 1 125 #define CONFIG_SMC911X_32_BIT 1 126 #define CONFIG_SMC911X_BASE (0x018000000) 127 #else 128 /* The Vexpress64 simulators use SMSC91C111 */ 129 #define CONFIG_SMC91111 1 130 #define CONFIG_SMC91111_BASE (0x01A000000) 131 #endif 132 133 /* PL011 Serial Configuration */ 134 #define CONFIG_PL011_SERIAL 135 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 136 #define CONFIG_PL011_CLOCK 7273800 137 #else 138 #define CONFIG_PL011_CLOCK 24000000 139 #endif 140 #define CONFIG_PL01x_PORTS {(void *)CONFIG_SYS_SERIAL0, \ 141 (void *)CONFIG_SYS_SERIAL1} 142 #define CONFIG_CONS_INDEX 0 143 144 #define CONFIG_BAUDRATE 115200 145 #define CONFIG_SYS_SERIAL0 V2M_UART0 146 #define CONFIG_SYS_SERIAL1 V2M_UART1 147 148 /* Command line configuration */ 149 #define CONFIG_MENU 150 /*#define CONFIG_MENU_SHOW*/ 151 #define CONFIG_CMD_CACHE 152 #define CONFIG_CMD_BDI 153 #define CONFIG_CMD_BOOTI 154 #define CONFIG_CMD_UNZIP 155 #define CONFIG_CMD_DHCP 156 #define CONFIG_CMD_PXE 157 #define CONFIG_CMD_ENV 158 #define CONFIG_CMD_IMI 159 #define CONFIG_CMD_LOADB 160 #define CONFIG_CMD_MEMORY 161 #define CONFIG_CMD_MII 162 #define CONFIG_CMD_NET 163 #define CONFIG_CMD_PING 164 #define CONFIG_CMD_SAVEENV 165 #define CONFIG_CMD_RUN 166 #define CONFIG_CMD_BOOTD 167 #define CONFIG_CMD_ECHO 168 #define CONFIG_CMD_SOURCE 169 #define CONFIG_CMD_FAT 170 #define CONFIG_DOS_PARTITION 171 172 /* BOOTP options */ 173 #define CONFIG_BOOTP_BOOTFILESIZE 174 #define CONFIG_BOOTP_BOOTPATH 175 #define CONFIG_BOOTP_GATEWAY 176 #define CONFIG_BOOTP_HOSTNAME 177 #define CONFIG_BOOTP_PXE 178 #define CONFIG_BOOTP_PXE_CLIENTARCH 0x100 179 180 /* Miscellaneous configurable options */ 181 #define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x10000000) 182 183 /* Physical Memory Map */ 184 #define CONFIG_NR_DRAM_BANKS 1 185 #define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */ 186 #define PHYS_SDRAM_1_SIZE 0x80000000 /* 2048 MB */ 187 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 188 189 /* Initial environment variables */ 190 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP 191 #define CONFIG_EXTRA_ENV_SETTINGS \ 192 "kernel_name=uImage\0" \ 193 "kernel_addr=0x80000000\0" \ 194 "initrd_name=ramdisk.img\0" \ 195 "initrd_addr=0x88000000\0" \ 196 "fdt_name=devtree.dtb\0" \ 197 "fdt_addr=0x83000000\0" \ 198 "fdt_high=0xffffffffffffffff\0" \ 199 "initrd_high=0xffffffffffffffff\0" 200 201 #define CONFIG_BOOTARGS "console=ttyAMA0 earlyprintk=pl011,"\ 202 "0x1c090000 debug user_debug=31 "\ 203 "loglevel=9" 204 205 #define CONFIG_BOOTCOMMAND "smhload ${kernel_name} ${kernel_addr}; " \ 206 "smhload ${fdt_name} $fdt_addr; " \ 207 "smhload ${initrd_name} $initrd_addr initrd_end; " \ 208 "fdt addr $fdt_addr; fdt resize; " \ 209 "fdt chosen $initrd_addr $initrd_end; " \ 210 "bootm $kernel_addr - $fdt_addr" 211 212 #define CONFIG_BOOTDELAY 1 213 214 #else 215 #error "Unknown board variant" 216 #endif 217 218 /* Do not preserve environment */ 219 #define CONFIG_ENV_IS_NOWHERE 1 220 #define CONFIG_ENV_SIZE 0x1000 221 222 /* Monitor Command Prompt */ 223 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 224 #define CONFIG_SYS_PROMPT "VExpress64# " 225 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 226 sizeof(CONFIG_SYS_PROMPT) + 16) 227 #define CONFIG_SYS_HUSH_PARSER 228 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 229 #define CONFIG_SYS_LONGHELP 230 #define CONFIG_CMDLINE_EDITING 231 #define CONFIG_SYS_MAXARGS 64 /* max command args */ 232 233 /* Flash memory is available on the Juno board only */ 234 #ifndef CONFIG_TARGET_VEXPRESS64_JUNO 235 #define CONFIG_SYS_NO_FLASH 236 #else 237 #define CONFIG_CMD_FLASH 238 #define CONFIG_SYS_FLASH_CFI 1 239 #define CONFIG_FLASH_CFI_DRIVER 1 240 #define CONFIG_SYS_FLASH_BASE 0x08000000 241 #define CONFIG_SYS_FLASH_SIZE 0x04000000 /* 64 MiB */ 242 #define CONFIG_SYS_MAX_FLASH_BANKS 2 243 244 /* Timeout values in ticks */ 245 #define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */ 246 #define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */ 247 248 /* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */ 249 #define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */ 250 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */ 251 #define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */ 252 #define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ 253 254 #endif 255 256 #endif /* __VEXPRESS_AEMV8A_H */ 257