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 /* standard km ethernet_present for piggy */
15 #define CONFIG_KM_COMMON_ETH_INIT
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
22 #define CONFIG_ENV_SIZE 0x04000 /* Size of Environment */
24 #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
26 #define CONFIG_SYS_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */
28 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
30 /* Reserve 4 MB for malloc */
31 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
33 /******************************************************************************
35 * ... -------------------------------------------------------
36 * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
37 * ... |<------------------- pram -------------------------->|
38 * ... -------------------------------------------------------
40 * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
41 * @CONFIG_KM_PHRAM: address for /var
42 * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
43 * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
46 /* size of rootfs in RAM */
47 #define CONFIG_KM_ROOTFSSIZE 0x0
48 /* pseudo-non volatile RAM [hex] */
49 #define CONFIG_KM_PNVRAM 0x80000
50 /* physical RAM MTD size [hex] */
51 #define CONFIG_KM_PHRAM 0x100000
52 /* resereved pram area at the end of memroy [hex] */
53 #define CONFIG_KM_RESERVED_PRAM 0x0
54 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable
55 * is not valid yet, which is the case for when u-boot copies itself to RAM */
56 #define CONFIG_PRAM ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10)
58 #define CONFIG_KM_CRAMFS_ADDR 0xC00000
59 #define CONFIG_KM_KERNEL_ADDR 0x400000 /* 7680Kbytes */
60 #define CONFIG_KM_FDT_ADDR 0xB80000 /* 512Kbytes */
62 /* architecture specific default bootargs */
63 #define CONFIG_KM_DEF_BOOT_ARGS_CPU ""
65 #define CONFIG_KM_DEF_ENV_CPU \
66 "u-boot="CONFIG_HOSTNAME "/u-boot.bin\0" \
68 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
69 "erase " __stringify(BOOTFLASH_START) " +${filesize} && "\
70 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START) \
72 "protect on " __stringify(BOOTFLASH_START) " +${filesize}\0"\
73 "set_fdthigh=true\0" \
77 #endif /* __CONFIG_KEYMILE_POWERPC_H */