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