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