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