1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2017 Andes Technology Corporation 4 * Rick Chen, Andes Technology Corporation <rick@andestech.com> 5 */ 6 7 #ifndef __CONFIG_H 8 #define __CONFIG_H 9 10 #define RISCV_MMODE_TIMERBASE 0xe6000000 11 #define RISCV_MMODE_TIMER_FREQ 60000000 12 13 #define RISCV_SMODE_TIMER_FREQ 60000000 14 15 /* 16 * CPU and Board Configuration Options 17 */ 18 19 /* 20 * Miscellaneous configurable options 21 */ 22 23 /* 24 * Physical Memory Map 25 */ 26 #define PHYS_SDRAM_0 0x00000000 /* SDRAM Bank #1 */ 27 #define PHYS_SDRAM_1 \ 28 (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) /* SDRAM Bank #2 */ 29 #define PHYS_SDRAM_0_SIZE 0x20000000 /* 512 MB */ 30 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */ 31 #define CFG_SYS_SDRAM_BASE PHYS_SDRAM_0 32 33 /* 34 * Serial console configuration 35 */ 36 #define CFG_SYS_NS16550_CLK 19660800 37 38 /* Init Stack Pointer */ 39 40 /* support JEDEC */ 41 #define PHYS_FLASH_1 0x88000000 /* BANK 0 */ 42 #define CFG_SYS_FLASH_BASE PHYS_FLASH_1 43 #define CFG_SYS_FLASH_BANKS_LIST { PHYS_FLASH_1, } 44 45 /* max number of memory banks */ 46 /* 47 * There are 4 banks supported for this Controller, 48 * but we have only 1 bank connected to flash on board 49 */ 50 #define CFG_SYS_FLASH_BANKS_SIZES {0x4000000} 51 52 /* environments */ 53 54 /* SPI FLASH */ 55 56 /* 57 * For booting Linux, the board info and command line data 58 * have to be in the first 16 MB of memory, since this is 59 * the maximum mapped by the Linux kernel during initialization. 60 */ 61 62 /* Initial Memory map for Linux*/ 63 #define CFG_SYS_BOOTMAPSZ (64 << 20) 64 /* Increase max gunzip size */ 65 66 /* Support autoboot from RAM (kernel image is loaded via debug port) */ 67 #define KERNEL_IMAGE_ADDR "0x2000000 " 68 #define BOOTENV_DEV_NAME_RAM(devtypeu, devtypel, instance) \ 69 "ram " 70 #define BOOTENV_DEV_RAM(devtypeu, devtypel, instance) \ 71 "bootcmd_ram=" \ 72 "booti " \ 73 KERNEL_IMAGE_ADDR \ 74 "- $fdtcontroladdr\0" 75 76 /* When we use RAM as ENV */ 77 78 /* Enable distro boot */ 79 #define BOOT_TARGET_DEVICES(func) \ 80 func(MMC, mmc, 0) \ 81 func(DHCP, dhcp, na) \ 82 func(RAM, ram, na) 83 #include <config_distro_bootcmd.h> 84 85 #define CFG_EXTRA_ENV_SETTINGS \ 86 "fdt_high=0xffffffffffffffff\0" \ 87 "initrd_high=0xffffffffffffffff\0" \ 88 "kernel_addr_r=0x00600000\0" \ 89 "kernel_comp_addr_r=0x04600000\0" \ 90 "kernel_comp_size=0x04000000\0" \ 91 "pxefile_addr_r=0x08600000\0" \ 92 "scriptaddr=0x08700000\0" \ 93 "fdt_addr_r=0x08800000\0" \ 94 "ramdisk_addr_r=0x08900000\0" \ 95 BOOTENV 96 97 #endif /* __CONFIG_H */ 98