1 /* 2 * (C) Copyright 2011 3 * Heiko Schocher, DENX Software Engineering, hs@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef __CONFIG_KEYMILE_POWERPC_H 9 #define __CONFIG_KEYMILE_POWERPC_H 10 11 /* Do boardspecific init for all boards */ 12 #define CONFIG_BOARD_EARLY_INIT_R 13 #define CONFIG_LAST_STAGE_INIT 14 15 #define CONFIG_BOOTCOUNT_LIMIT 16 17 #define CONFIG_JFFS2_CMDLINE 18 19 /* standard km ethernet_present for piggy */ 20 #define CONFIG_KM_COMMON_ETH_INIT 21 22 /* EEprom support 24C08, 24C16, 24C64 */ 23 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE 24 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 /* 8 Byte write page */ 25 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 26 27 #define CONFIG_ENV_SIZE 0x04000 /* Size of Environment */ 28 #define CONFIG_FLASH_CFI_MTD 29 30 #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */ 31 32 #define CONFIG_SYS_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */ 33 34 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ 35 36 /* Reserve 4 MB for malloc */ 37 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 38 39 /****************************************************************************** 40 * (PRAM usage) 41 * ... ------------------------------------------------------- 42 * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM 43 * ... |<------------------- pram -------------------------->| 44 * ... ------------------------------------------------------- 45 * @END_OF_RAM: 46 * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose 47 * @CONFIG_KM_PHRAM: address for /var 48 * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application) 49 * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM 50 */ 51 52 /* size of rootfs in RAM */ 53 #define CONFIG_KM_ROOTFSSIZE 0x0 54 /* pseudo-non volatile RAM [hex] */ 55 #define CONFIG_KM_PNVRAM 0x80000 56 /* physical RAM MTD size [hex] */ 57 #define CONFIG_KM_PHRAM 0x100000 58 /* resereved pram area at the end of memroy [hex] */ 59 #define CONFIG_KM_RESERVED_PRAM 0x0 60 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable 61 * is not valid yet, which is the case for when u-boot copies itself to RAM */ 62 #define CONFIG_PRAM ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10) 63 64 #define CONFIG_KM_CRAMFS_ADDR 0xC00000 65 #define CONFIG_KM_KERNEL_ADDR 0x400000 /* 7680Kbytes */ 66 #define CONFIG_KM_FDT_ADDR 0xB80000 /* 512Kbytes */ 67 68 /* architecture specific default bootargs */ 69 #define CONFIG_KM_DEF_BOOT_ARGS_CPU "" 70 71 #define CONFIG_KM_DEF_ENV_CPU \ 72 "u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \ 73 "update=" \ 74 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\ 75 "erase " __stringify(BOOTFLASH_START) " +${filesize} && "\ 76 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START) \ 77 " ${filesize} && " \ 78 "protect on " __stringify(BOOTFLASH_START) " +${filesize}\0"\ 79 "set_fdthigh=true\0" \ 80 "checkfdt=true\0" \ 81 "" 82 83 #endif /* __CONFIG_KEYMILE_POWERPC_H */ 84