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#define CONFIG_DM 12 13/* We use generic board for v8 Versatile Express */ 14#define CONFIG_SYS_GENERIC_BOARD 15 16#ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP 17#ifndef CONFIG_SEMIHOSTING 18#error CONFIG_TARGET_VEXPRESS64_BASE_FVP requires CONFIG_SEMIHOSTING 19#endif 20#define CONFIG_ARMV8_SWITCH_TO_EL1 21#endif 22 23#define CONFIG_REMAKE_ELF 24 25#define CONFIG_SUPPORT_RAW_INITRD 26 27/* Cache Definitions */ 28#define CONFIG_SYS_DCACHE_OFF 29#define CONFIG_SYS_ICACHE_OFF 30 31#define CONFIG_IDENT_STRING " vexpress_aemv8a" 32#define CONFIG_BOOTP_VCI_STRING "U-boot.armv8.vexpress_aemv8a" 33 34/* Link Definitions */ 35#ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP 36/* ATF loads u-boot here for BASE_FVP model */ 37#define CONFIG_SYS_TEXT_BASE 0x88000000 38#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x03f00000) 39#elif CONFIG_TARGET_VEXPRESS64_JUNO 40#define CONFIG_SYS_TEXT_BASE 0xe0000000 41#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7fff0) 42#else 43#error "Unknown board variant" 44#endif 45 46/* Flat Device Tree Definitions */ 47#define CONFIG_OF_LIBFDT 48 49/* CS register bases for the original memory map. */ 50#define V2M_PA_CS0 0x00000000 51#define V2M_PA_CS1 0x14000000 52#define V2M_PA_CS2 0x18000000 53#define V2M_PA_CS3 0x1c000000 54#define V2M_PA_CS4 0x0c000000 55#define V2M_PA_CS5 0x10000000 56 57#define V2M_PERIPH_OFFSET(x) (x << 16) 58#define V2M_SYSREGS (V2M_PA_CS3 + V2M_PERIPH_OFFSET(1)) 59#define V2M_SYSCTL (V2M_PA_CS3 + V2M_PERIPH_OFFSET(2)) 60#define V2M_SERIAL_BUS_PCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(3)) 61 62#define V2M_BASE 0x80000000 63 64/* Common peripherals relative to CS7. */ 65#define V2M_AACI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(4)) 66#define V2M_MMCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(5)) 67#define V2M_KMI0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(6)) 68#define V2M_KMI1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(7)) 69 70#ifdef CONFIG_TARGET_VEXPRESS64_JUNO 71#define V2M_UART0 0x7ff80000 72#define V2M_UART1 0x7ff70000 73#else /* Not Juno */ 74#define V2M_UART0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(9)) 75#define V2M_UART1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(10)) 76#define V2M_UART2 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(11)) 77#define V2M_UART3 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(12)) 78#endif 79 80#define V2M_WDT (V2M_PA_CS3 + V2M_PERIPH_OFFSET(15)) 81 82#define V2M_TIMER01 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(17)) 83#define V2M_TIMER23 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(18)) 84 85#define V2M_SERIAL_BUS_DVI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(22)) 86#define V2M_RTC (V2M_PA_CS3 + V2M_PERIPH_OFFSET(23)) 87 88#define V2M_CF (V2M_PA_CS3 + V2M_PERIPH_OFFSET(26)) 89 90#define V2M_CLCD (V2M_PA_CS3 + V2M_PERIPH_OFFSET(31)) 91 92/* System register offsets. */ 93#define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0) 94#define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4) 95#define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8) 96 97/* Generic Timer Definitions */ 98#define COUNTER_FREQUENCY (0x1800000) /* 24MHz */ 99 100/* Generic Interrupt Controller Definitions */ 101#ifdef CONFIG_GICV3 102#define GICD_BASE (0x2f000000) 103#define GICR_BASE (0x2f100000) 104#else 105 106#ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP 107#define GICD_BASE (0x2f000000) 108#define GICC_BASE (0x2c000000) 109#elif CONFIG_TARGET_VEXPRESS64_JUNO 110#define GICD_BASE (0x2C010000) 111#define GICC_BASE (0x2C02f000) 112#else 113#error "Unknown board variant" 114#endif 115#endif /* !CONFIG_GICV3 */ 116 117#define CONFIG_SYS_MEMTEST_START V2M_BASE 118#define CONFIG_SYS_MEMTEST_END (V2M_BASE + 0x80000000) 119 120/* Size of malloc() pool */ 121#define CONFIG_SYS_MALLOC_F_LEN 0x2000 122#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 << 20)) 123 124/* Ethernet Configuration */ 125#ifdef CONFIG_TARGET_VEXPRESS64_JUNO 126/* The real hardware Versatile express uses SMSC9118 */ 127#define CONFIG_SMC911X 1 128#define CONFIG_SMC911X_32_BIT 1 129#define CONFIG_SMC911X_BASE (0x018000000) 130#else 131/* The Vexpress64 simulators use SMSC91C111 */ 132#define CONFIG_SMC91111 1 133#define CONFIG_SMC91111_BASE (0x01A000000) 134#endif 135 136/* PL011 Serial Configuration */ 137#define CONFIG_BAUDRATE 115200 138#ifdef CONFIG_DM 139#define CONFIG_DM_SERIAL 140#define CONFIG_PL01X_SERIAL 141#else 142#define CONFIG_SYS_SERIAL0 V2M_UART0 143#define CONFIG_SYS_SERIAL1 V2M_UART1 144#define CONFIG_CONS_INDEX 0 145#define CONFIG_PL011_SERIAL 146#ifdef CONFIG_TARGET_VEXPRESS64_JUNO 147#define CONFIG_PL011_CLOCK 7273800 148#else 149#define CONFIG_PL011_CLOCK 24000000 150#endif 151#define CONFIG_PL01x_PORTS {(void *)CONFIG_SYS_SERIAL0, \ 152 (void *)CONFIG_SYS_SERIAL1} 153#endif 154 155#define CONFIG_BAUDRATE 115200 156#define CONFIG_SYS_SERIAL0 V2M_UART0 157#define CONFIG_SYS_SERIAL1 V2M_UART1 158 159/* Command line configuration */ 160#define CONFIG_MENU 161/*#define CONFIG_MENU_SHOW*/ 162#define CONFIG_CMD_CACHE 163#define CONFIG_CMD_BDI 164#define CONFIG_CMD_BOOTI 165#define CONFIG_CMD_UNZIP 166#define CONFIG_CMD_DHCP 167#define CONFIG_CMD_PXE 168#define CONFIG_CMD_ENV 169#define CONFIG_CMD_IMI 170#define CONFIG_CMD_LOADB 171#define CONFIG_CMD_MEMORY 172#define CONFIG_CMD_MII 173#define CONFIG_CMD_NET 174#define CONFIG_CMD_PING 175#define CONFIG_CMD_SAVEENV 176#define CONFIG_CMD_RUN 177#define CONFIG_CMD_BOOTD 178#define CONFIG_CMD_ECHO 179#define CONFIG_CMD_SOURCE 180#define CONFIG_CMD_FAT 181#define CONFIG_DOS_PARTITION 182 183/* BOOTP options */ 184#define CONFIG_BOOTP_BOOTFILESIZE 185#define CONFIG_BOOTP_BOOTPATH 186#define CONFIG_BOOTP_GATEWAY 187#define CONFIG_BOOTP_HOSTNAME 188#define CONFIG_BOOTP_PXE 189#define CONFIG_BOOTP_PXE_CLIENTARCH 0x100 190 191/* Miscellaneous configurable options */ 192#define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x10000000) 193 194/* Physical Memory Map */ 195#define CONFIG_NR_DRAM_BANKS 1 196#define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */ 197#define PHYS_SDRAM_1_SIZE 0x80000000 /* 2048 MB */ 198#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 199 200/* Initial environment variables */ 201#ifdef CONFIG_TARGET_VEXPRESS64_JUNO 202/* 203 * Defines where the kernel and FDT exist in NOR flash and where it will 204 * be copied into DRAM 205 */ 206#define CONFIG_EXTRA_ENV_SETTINGS \ 207 "kernel_name=Image\0" \ 208 "kernel_addr=0x80000000\0" \ 209 "fdt_name=juno\0" \ 210 "fdt_addr=0x83000000\0" \ 211 "fdt_high=0xffffffffffffffff\0" \ 212 "initrd_high=0xffffffffffffffff\0" \ 213 214/* Assume we boot with root on the first partition of a USB stick */ 215#define CONFIG_BOOTARGS "console=ttyAMA0,115200n8 " \ 216 "root=/dev/sda1 rw " \ 217 "earlyprintk=pl011,0x7ff80000 debug user_debug=31 "\ 218 "loglevel=9" 219 220/* Copy the kernel and FDT to DRAM memory and boot */ 221#define CONFIG_BOOTCOMMAND "afs load ${kernel_name} ${kernel_addr} ; " \ 222 "afs load ${fdt_name} ${fdt_addr} ; " \ 223 "fdt addr ${fdt_addr}; fdt resize; " \ 224 "booti ${kernel_addr} - ${fdt_addr}" 225 226#define CONFIG_BOOTDELAY 1 227 228#elif CONFIG_TARGET_VEXPRESS64_BASE_FVP 229#define CONFIG_EXTRA_ENV_SETTINGS \ 230 "kernel_name=uImage\0" \ 231 "kernel_addr=0x80000000\0" \ 232 "initrd_name=ramdisk.img\0" \ 233 "initrd_addr=0x88000000\0" \ 234 "fdt_name=devtree.dtb\0" \ 235 "fdt_addr=0x83000000\0" \ 236 "fdt_high=0xffffffffffffffff\0" \ 237 "initrd_high=0xffffffffffffffff\0" 238 239#define CONFIG_BOOTARGS "console=ttyAMA0 earlyprintk=pl011,"\ 240 "0x1c090000 debug user_debug=31 "\ 241 "loglevel=9" 242 243#define CONFIG_BOOTCOMMAND "smhload ${kernel_name} ${kernel_addr}; " \ 244 "smhload ${fdt_name} $fdt_addr; " \ 245 "smhload ${initrd_name} $initrd_addr initrd_end; " \ 246 "fdt addr $fdt_addr; fdt resize; " \ 247 "fdt chosen $initrd_addr $initrd_end; " \ 248 "bootm $kernel_addr - $fdt_addr" 249 250#define CONFIG_BOOTDELAY 1 251 252#else 253#error "Unknown board variant" 254#endif 255 256/* Do not preserve environment */ 257#define CONFIG_ENV_IS_NOWHERE 1 258#define CONFIG_ENV_SIZE 0x1000 259 260/* Monitor Command Prompt */ 261#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 262#define CONFIG_SYS_PROMPT "VExpress64# " 263#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 264 sizeof(CONFIG_SYS_PROMPT) + 16) 265#define CONFIG_SYS_HUSH_PARSER 266#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 267#define CONFIG_SYS_LONGHELP 268#define CONFIG_CMDLINE_EDITING 269#define CONFIG_SYS_MAXARGS 64 /* max command args */ 270 271/* Flash memory is available on the Juno board only */ 272#ifndef CONFIG_TARGET_VEXPRESS64_JUNO 273#define CONFIG_SYS_NO_FLASH 274#else 275#define CONFIG_CMD_FLASH 276#define CONFIG_CMD_ARMFLASH 277#define CONFIG_SYS_FLASH_CFI 1 278#define CONFIG_FLASH_CFI_DRIVER 1 279#define CONFIG_SYS_FLASH_BASE 0x08000000 280#define CONFIG_SYS_FLASH_SIZE 0x04000000 /* 64 MiB */ 281#define CONFIG_SYS_MAX_FLASH_BANKS 2 282 283/* Timeout values in ticks */ 284#define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */ 285#define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */ 286 287/* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */ 288#define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */ 289#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */ 290#define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */ 291#define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ 292 293#endif 294 295#endif /* __VEXPRESS_AEMV8A_H */ 296