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_CMD_DTT 18 #define CONFIG_JFFS2_CMDLINE 19 20 /* standard km ethernet_present for piggy */ 21 #define CONFIG_KM_COMMON_ETH_INIT 22 23 /* EEprom support 24C08, 24C16, 24C64 */ 24 #define CONFIG_SYS_I2C_MULTI_EEPROMS 25 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE 26 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 /* 8 Byte write page */ 27 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 28 29 #define CONFIG_ENV_SIZE 0x04000 /* Size of Environment */ 30 #define CONFIG_FLASH_CFI_MTD 31 32 #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */ 33 34 #define CONFIG_SYS_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */ 35 36 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ 37 38 /* Reserve 4 MB for malloc */ 39 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 40 41 /****************************************************************************** 42 * (PRAM usage) 43 * ... ------------------------------------------------------- 44 * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM 45 * ... |<------------------- pram -------------------------->| 46 * ... ------------------------------------------------------- 47 * @END_OF_RAM: 48 * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose 49 * @CONFIG_KM_PHRAM: address for /var 50 * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application) 51 * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM 52 */ 53 54 /* size of rootfs in RAM */ 55 #define CONFIG_KM_ROOTFSSIZE 0x0 56 /* pseudo-non volatile RAM [hex] */ 57 #define CONFIG_KM_PNVRAM 0x80000 58 /* physical RAM MTD size [hex] */ 59 #define CONFIG_KM_PHRAM 0x100000 60 /* resereved pram area at the end of memroy [hex] */ 61 #define CONFIG_KM_RESERVED_PRAM 0x0 62 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable 63 * is not valid yet, which is the case for when u-boot copies itself to RAM */ 64 #define CONFIG_PRAM ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10) 65 66 #define CONFIG_KM_CRAMFS_ADDR 0x800000 67 #define CONFIG_KM_KERNEL_ADDR 0x400000 /* 3968Kbytes */ 68 #define CONFIG_KM_FDT_ADDR 0x7E0000 /* 128Kbytes */ 69 70 /* architecture specific default bootargs */ 71 #define CONFIG_KM_DEF_BOOT_ARGS_CPU "" 72 73 #define CONFIG_KM_DEF_ENV_CPU \ 74 "u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \ 75 "update=" \ 76 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\ 77 "erase " __stringify(BOOTFLASH_START) " +${filesize} && "\ 78 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START) \ 79 " ${filesize} && " \ 80 "protect on " __stringify(BOOTFLASH_START) " +${filesize}\0"\ 81 "set_fdthigh=true\0" \ 82 "" 83 84 #endif /* __CONFIG_KEYMILE_POWERPC_H */ 85