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