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 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP 12 #ifndef CONFIG_SEMIHOSTING 13 #error CONFIG_TARGET_VEXPRESS64_BASE_FVP requires CONFIG_SEMIHOSTING 14 #endif 15 #define CONFIG_ARMV8_SWITCH_TO_EL1 16 #endif 17 18 #define CONFIG_REMAKE_ELF 19 20 /* Link Definitions */ 21 #if defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP) || \ 22 defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP_DRAM) 23 /* ATF loads u-boot here for BASE_FVP model */ 24 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x03f00000) 25 #elif CONFIG_TARGET_VEXPRESS64_JUNO 26 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7fff0) 27 #endif 28 29 #define CONFIG_SYS_BOOTM_LEN (64 << 20) /* Increase max gunzip size */ 30 31 /* CS register bases for the original memory map. */ 32 #define V2M_PA_CS0 0x00000000 33 #define V2M_PA_CS1 0x14000000 34 #define V2M_PA_CS2 0x18000000 35 #define V2M_PA_CS3 0x1c000000 36 #define V2M_PA_CS4 0x0c000000 37 #define V2M_PA_CS5 0x10000000 38 39 #define V2M_PERIPH_OFFSET(x) (x << 16) 40 #define V2M_SYSREGS (V2M_PA_CS3 + V2M_PERIPH_OFFSET(1)) 41 #define V2M_SYSCTL (V2M_PA_CS3 + V2M_PERIPH_OFFSET(2)) 42 #define V2M_SERIAL_BUS_PCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(3)) 43 44 #define V2M_BASE 0x80000000 45 46 /* Common peripherals relative to CS7. */ 47 #define V2M_AACI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(4)) 48 #define V2M_MMCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(5)) 49 #define V2M_KMI0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(6)) 50 #define V2M_KMI1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(7)) 51 52 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 53 #define V2M_UART0 0x7ff80000 54 #define V2M_UART1 0x7ff70000 55 #else /* Not Juno */ 56 #define V2M_UART0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(9)) 57 #define V2M_UART1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(10)) 58 #define V2M_UART2 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(11)) 59 #define V2M_UART3 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(12)) 60 #endif 61 62 #define V2M_WDT (V2M_PA_CS3 + V2M_PERIPH_OFFSET(15)) 63 64 #define V2M_TIMER01 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(17)) 65 #define V2M_TIMER23 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(18)) 66 67 #define V2M_SERIAL_BUS_DVI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(22)) 68 #define V2M_RTC (V2M_PA_CS3 + V2M_PERIPH_OFFSET(23)) 69 70 #define V2M_CF (V2M_PA_CS3 + V2M_PERIPH_OFFSET(26)) 71 72 #define V2M_CLCD (V2M_PA_CS3 + V2M_PERIPH_OFFSET(31)) 73 74 /* System register offsets. */ 75 #define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0) 76 #define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4) 77 #define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8) 78 79 /* Generic Timer Definitions */ 80 #define COUNTER_FREQUENCY (0x1800000) /* 24MHz */ 81 82 /* Generic Interrupt Controller Definitions */ 83 #ifdef CONFIG_GICV3 84 #define GICD_BASE (0x2f000000) 85 #define GICR_BASE (0x2f100000) 86 #else 87 88 #if defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP) || \ 89 defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP_DRAM) 90 #define GICD_BASE (0x2f000000) 91 #define GICC_BASE (0x2c000000) 92 #elif CONFIG_TARGET_VEXPRESS64_JUNO 93 #define GICD_BASE (0x2C010000) 94 #define GICC_BASE (0x2C02f000) 95 #endif 96 #endif /* !CONFIG_GICV3 */ 97 98 /* Size of malloc() pool */ 99 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 << 20)) 100 101 #ifndef CONFIG_TARGET_VEXPRESS64_JUNO 102 /* The Vexpress64 simulators use SMSC91C111 */ 103 #define CONFIG_SMC91111 1 104 #define CONFIG_SMC91111_BASE (0x01A000000) 105 #endif 106 107 /* PL011 Serial Configuration */ 108 #define CONFIG_CONS_INDEX 0 109 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 110 #define CONFIG_PL011_CLOCK 7273800 111 #else 112 #define CONFIG_PL011_CLOCK 24000000 113 #endif 114 115 /*#define CONFIG_MENU_SHOW*/ 116 117 /* BOOTP options */ 118 #define CONFIG_BOOTP_BOOTFILESIZE 119 120 /* Miscellaneous configurable options */ 121 #define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x10000000) 122 123 /* Physical Memory Map */ 124 #define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */ 125 /* Top 16MB reserved for secure world use */ 126 #define DRAM_SEC_SIZE 0x01000000 127 #define PHYS_SDRAM_1_SIZE 0x80000000 - DRAM_SEC_SIZE 128 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 129 130 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 131 #define CONFIG_NR_DRAM_BANKS 2 132 #define PHYS_SDRAM_2 (0x880000000) 133 #define PHYS_SDRAM_2_SIZE 0x180000000 134 #else 135 #define CONFIG_NR_DRAM_BANKS 1 136 #endif 137 138 /* Enable memtest */ 139 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1 140 #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE) 141 142 /* Initial environment variables */ 143 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 144 /* 145 * Defines where the kernel and FDT exist in NOR flash and where it will 146 * be copied into DRAM 147 */ 148 #define CONFIG_EXTRA_ENV_SETTINGS \ 149 "kernel_name=norkern\0" \ 150 "kernel_alt_name=Image\0" \ 151 "kernel_addr=0x80080000\0" \ 152 "initrd_name=ramdisk.img\0" \ 153 "initrd_addr=0x84000000\0" \ 154 "fdtfile=board.dtb\0" \ 155 "fdt_alt_name=juno\0" \ 156 "fdt_addr=0x83000000\0" \ 157 "fdt_high=0xffffffffffffffff\0" \ 158 "initrd_high=0xffffffffffffffff\0" \ 159 160 /* Copy the kernel and FDT to DRAM memory and boot */ 161 #define CONFIG_BOOTCOMMAND "afs load ${kernel_name} ${kernel_addr} ; " \ 162 "if test $? -eq 1; then "\ 163 " echo Loading ${kernel_alt_name} instead of "\ 164 "${kernel_name}; "\ 165 " afs load ${kernel_alt_name} ${kernel_addr};"\ 166 "fi ; "\ 167 "afs load ${fdtfile} ${fdt_addr} ; " \ 168 "if test $? -eq 1; then "\ 169 " echo Loading ${fdt_alt_name} instead of "\ 170 "${fdtfile}; "\ 171 " afs load ${fdt_alt_name} ${fdt_addr}; "\ 172 "fi ; "\ 173 "fdt addr ${fdt_addr}; fdt resize; " \ 174 "if afs load ${initrd_name} ${initrd_addr} ; "\ 175 "then "\ 176 " setenv initrd_param ${initrd_addr}; "\ 177 " else setenv initrd_param -; "\ 178 "fi ; " \ 179 "booti ${kernel_addr} ${initrd_param} ${fdt_addr}" 180 181 182 #elif CONFIG_TARGET_VEXPRESS64_BASE_FVP 183 #define CONFIG_EXTRA_ENV_SETTINGS \ 184 "kernel_name=Image\0" \ 185 "kernel_addr=0x80080000\0" \ 186 "initrd_name=ramdisk.img\0" \ 187 "initrd_addr=0x88000000\0" \ 188 "fdtfile=devtree.dtb\0" \ 189 "fdt_addr=0x83000000\0" \ 190 "fdt_high=0xffffffffffffffff\0" \ 191 "initrd_high=0xffffffffffffffff\0" 192 193 #define CONFIG_BOOTCOMMAND "smhload ${kernel_name} ${kernel_addr}; " \ 194 "smhload ${fdtfile} ${fdt_addr}; " \ 195 "smhload ${initrd_name} ${initrd_addr} "\ 196 "initrd_end; " \ 197 "fdt addr ${fdt_addr}; fdt resize; " \ 198 "fdt chosen ${initrd_addr} ${initrd_end}; " \ 199 "booti $kernel_addr - $fdt_addr" 200 201 202 #elif CONFIG_TARGET_VEXPRESS64_BASE_FVP_DRAM 203 #define CONFIG_EXTRA_ENV_SETTINGS \ 204 "kernel_addr=0x80080000\0" \ 205 "initrd_addr=0x84000000\0" \ 206 "fdt_addr=0x83000000\0" \ 207 "fdt_high=0xffffffffffffffff\0" \ 208 "initrd_high=0xffffffffffffffff\0" 209 210 #define CONFIG_BOOTCOMMAND "booti $kernel_addr $initrd_addr $fdt_addr" 211 212 213 #endif 214 215 /* Monitor Command Prompt */ 216 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 217 #define CONFIG_SYS_MAXARGS 64 /* max command args */ 218 219 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO 220 #define CONFIG_SYS_FLASH_BASE 0x08000000 221 /* 255 x 256KiB sectors + 4 x 64KiB sectors at the end = 259 */ 222 #define CONFIG_SYS_MAX_FLASH_SECT 259 223 /* Store environment at top of flash in the same location as blank.img */ 224 /* in the Juno firmware. */ 225 #define CONFIG_ENV_ADDR 0x0BFC0000 226 #define CONFIG_ENV_SECT_SIZE 0x00010000 227 #else 228 #define CONFIG_SYS_FLASH_BASE 0x0C000000 229 /* 256 x 256KiB sectors */ 230 #define CONFIG_SYS_MAX_FLASH_SECT 256 231 /* Store environment at top of flash */ 232 #define CONFIG_ENV_ADDR 0x0FFC0000 233 #define CONFIG_ENV_SECT_SIZE 0x00040000 234 #endif 235 236 #define CONFIG_SYS_FLASH_CFI 1 237 #define CONFIG_FLASH_CFI_DRIVER 1 238 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_32BIT 239 #define CONFIG_SYS_MAX_FLASH_BANKS 1 240 241 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */ 242 #define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */ 243 #define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ 244 #define FLASH_MAX_SECTOR_SIZE 0x00040000 245 #define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE 246 247 #endif /* __VEXPRESS_AEMV8A_H */ 248