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 #define CONFIG_JFFS2_CMDLINE 13 14 /* EEprom support 24C08, 24C16, 24C64 */ 15 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE 16 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 /* 8 Byte write page */ 17 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 18 19 #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */ 20 21 #define CONFIG_SYS_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */ 22 23 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ 24 25 /* Reserve 4 MB for malloc */ 26 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 27 28 /****************************************************************************** 29 * (PRAM usage) 30 * ... ------------------------------------------------------- 31 * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM 32 * ... |<------------------- pram -------------------------->| 33 * ... ------------------------------------------------------- 34 * @END_OF_RAM: 35 * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose 36 * @CONFIG_KM_PHRAM: address for /var 37 * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application) 38 * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM 39 */ 40 41 /* size of rootfs in RAM */ 42 #define CONFIG_KM_ROOTFSSIZE 0x0 43 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable 44 * is not valid yet, which is the case for when u-boot copies itself to RAM */ 45 #define CONFIG_PRAM ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10) 46 47 /* architecture specific default bootargs */ 48 #define CONFIG_KM_DEF_BOOT_ARGS_CPU "" 49 50 #define CONFIG_KM_DEF_ENV_CPU \ 51 "u-boot="CONFIG_HOSTNAME "/u-boot.bin\0" \ 52 "update=" \ 53 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\ 54 "erase " __stringify(BOOTFLASH_START) " +${filesize} && "\ 55 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START) \ 56 " ${filesize} && " \ 57 "protect on " __stringify(BOOTFLASH_START) " +${filesize}\0"\ 58 "set_fdthigh=true\0" \ 59 "checkfdt=true\0" \ 60 "" 61 62 #endif /* __CONFIG_KEYMILE_POWERPC_H */ 63