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 */
13 #define CONFIG_JFFS2_CMDLINE
15 /* standard km ethernet_present for piggy */
16 #define CONFIG_KM_COMMON_ETH_INIT
18 /* EEprom support 24C08, 24C16, 24C64 */
19 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
20 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 /* 8 Byte write page */
21 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
23 #define CONFIG_ENV_SIZE 0x04000 /* Size of Environment */
24 #define CONFIG_FLASH_CFI_MTD
26 #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
28 #define CONFIG_SYS_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */
30 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
32 /* Reserve 4 MB for malloc */
33 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
35 /******************************************************************************
37 * ... -------------------------------------------------------
38 * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
39 * ... |<------------------- pram -------------------------->|
40 * ... -------------------------------------------------------
42 * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
43 * @CONFIG_KM_PHRAM: address for /var
44 * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
45 * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
48 /* size of rootfs in RAM */
49 #define CONFIG_KM_ROOTFSSIZE 0x0
50 /* pseudo-non volatile RAM [hex] */
51 #define CONFIG_KM_PNVRAM 0x80000
52 /* physical RAM MTD size [hex] */
53 #define CONFIG_KM_PHRAM 0x100000
54 /* resereved pram area at the end of memroy [hex] */
55 #define CONFIG_KM_RESERVED_PRAM 0x0
56 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable
57 * is not valid yet, which is the case for when u-boot copies itself to RAM */
58 #define CONFIG_PRAM ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10)
60 #define CONFIG_KM_CRAMFS_ADDR 0xC00000
61 #define CONFIG_KM_KERNEL_ADDR 0x400000 /* 7680Kbytes */
62 #define CONFIG_KM_FDT_ADDR 0xB80000 /* 512Kbytes */
64 /* architecture specific default bootargs */
65 #define CONFIG_KM_DEF_BOOT_ARGS_CPU ""
67 #define CONFIG_KM_DEF_ENV_CPU \
68 "u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \
70 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
71 "erase " __stringify(BOOTFLASH_START) " +${filesize} && "\
72 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START) \
74 "protect on " __stringify(BOOTFLASH_START) " +${filesize}\0"\
75 "set_fdthigh=true\0" \
79 #endif /* __CONFIG_KEYMILE_POWERPC_H */