1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2011 4 * Heiko Schocher, DENX Software Engineering, hs@denx.de. 5 */ 6 7 #ifndef __CONFIG_KEYMILE_POWERPC_H 8 #define __CONFIG_KEYMILE_POWERPC_H 9 10 /* Do boardspecific init for all boards */ 11 12 /* EEprom support 24C08, 24C16, 24C64 */ 13 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE 14 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 /* 8 Byte write page */ 15 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 16 17 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ 18 19 /* Reserve 4 MB for malloc */ 20 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 21 22 /* Increase max size of compressed kernel */ 23 #define CONFIG_SYS_BOOTM_LEN 0x2000000 /* 32 MB */ 24 25 /****************************************************************************** 26 * (PRAM usage) 27 * ... ------------------------------------------------------- 28 * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM 29 * ... |<------------------- pram -------------------------->| 30 * ... ------------------------------------------------------- 31 * @END_OF_RAM: 32 * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose 33 * @CONFIG_KM_PHRAM: address for /var 34 * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application) 35 * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM 36 */ 37 38 /* size of rootfs in RAM */ 39 #define CONFIG_KM_ROOTFSSIZE 0x0 40 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable 41 * is not valid yet, which is the case for when u-boot copies itself to RAM */ 42 #define CONFIG_PRAM ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10) 43 44 /* architecture specific default bootargs */ 45 #define CONFIG_KM_DEF_BOOT_ARGS_CPU "" 46 47 #define CONFIG_KM_DEF_ENV_CPU \ 48 "u-boot="CONFIG_HOSTNAME "/u-boot.bin\0" \ 49 "update=" \ 50 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\ 51 "erase " __stringify(BOOTFLASH_START) " +${filesize} && "\ 52 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START) \ 53 " ${filesize} && " \ 54 "protect on " __stringify(BOOTFLASH_START) " +${filesize}\0"\ 55 "set_fdthigh=true\0" \ 56 "checkfdt=true\0" \ 57 "bootm_mapsize=" __stringify(CONFIG_SYS_BOOTM_LEN) "\0" \ 58 "" 59 60 #endif /* __CONFIG_KEYMILE_POWERPC_H */ 61