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