1 /* SPDX-License-Identifier: GPL-2.0+ */
4 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
7 #ifndef __CONFIG_KEYMILE_POWERPC_H
8 #define __CONFIG_KEYMILE_POWERPC_H
10 /* Do boardspecific init for all boards */
12 #define CONFIG_JFFS2_CMDLINE
14 /* EEprom support 24C08, 24C16, 24C64 */
15 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
16 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 /* 8 Byte write page */
17 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
19 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
21 /* Reserve 4 MB for malloc */
22 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
24 /* Increase max size of compressed kernel */
25 #define CONFIG_SYS_BOOTM_LEN 0x2000000 /* 32 MB */
27 /******************************************************************************
29 * ... -------------------------------------------------------
30 * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
31 * ... |<------------------- pram -------------------------->|
32 * ... -------------------------------------------------------
34 * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
35 * @CONFIG_KM_PHRAM: address for /var
36 * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
37 * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
40 /* size of rootfs in RAM */
41 #define CONFIG_KM_ROOTFSSIZE 0x0
42 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable
43 * is not valid yet, which is the case for when u-boot copies itself to RAM */
44 #define CONFIG_PRAM ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10)
46 /* architecture specific default bootargs */
47 #define CONFIG_KM_DEF_BOOT_ARGS_CPU ""
49 #define CONFIG_KM_DEF_ENV_CPU \
50 "u-boot="CONFIG_HOSTNAME "/u-boot.bin\0" \
52 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
53 "erase " __stringify(BOOTFLASH_START) " +${filesize} && "\
54 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START) \
56 "protect on " __stringify(BOOTFLASH_START) " +${filesize}\0"\
57 "set_fdthigh=true\0" \
59 "bootm_mapsize=" __stringify(CONFIG_SYS_BOOTM_LEN) "\0" \
62 #endif /* __CONFIG_KEYMILE_POWERPC_H */