xref: /openbmc/u-boot/include/configs/km/km-powerpc.h (revision f9727161)
1 /*
2  * (C) Copyright 2011
3  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef __CONFIG_KEYMILE_POWERPC_H
9 #define __CONFIG_KEYMILE_POWERPC_H
10 
11 /* Do boardspecific init for all boards */
12 #define CONFIG_BOARD_EARLY_INIT_R
13 #define CONFIG_LAST_STAGE_INIT
14 
15 #define CONFIG_BOOTCOUNT_LIMIT
16 
17 #define CONFIG_CMD_DTT
18 #define CONFIG_JFFS2_CMDLINE
19 
20 /* EEprom support 24C08, 24C16, 24C64 */
21 #define CONFIG_SYS_I2C_MULTI_EEPROMS
22 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
23 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	3  /* 8 Byte write page */
24 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10
25 
26 #define CONFIG_ENV_SIZE		0x04000		/* Size of Environment */
27 #define CONFIG_FLASH_CFI_MTD
28 
29 #define CONFIG_SYS_MEMTEST_START 0x00100000	/* memtest works on */
30 
31 #define CONFIG_SYS_MEMTEST_END	0x00f00000	/* 1 ... 15 MB in DRAM	*/
32 
33 #define CONFIG_SYS_LOAD_ADDR	0x100000	/* default load address */
34 
35 /******************************************************************************
36  * (PRAM usage)
37  * ... -------------------------------------------------------
38  * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
39  * ... |<------------------- pram -------------------------->|
40  * ... -------------------------------------------------------
41  * @END_OF_RAM:
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
46  */
47 
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 /* enable protected RAM */
57 #define CONFIG_PRAM		0
58 
59 #define CONFIG_KM_CRAMFS_ADDR	0x800000
60 #define CONFIG_KM_KERNEL_ADDR	0x400000	/* 3968Kbytes */
61 #define CONFIG_KM_FDT_ADDR	0x7E0000	/* 128Kbytes */
62 
63 /* architecture specific default bootargs */
64 #define CONFIG_KM_DEF_BOOT_ARGS_CPU		""
65 
66 #define CONFIG_KM_DEF_ENV_CPU						\
67 	"boot=bootm ${load_addr_r} - ${fdt_addr_r}\0"			\
68 	"cramfsloadfdt="						\
69 		"cramfsload ${fdt_addr_r} "				\
70 		"fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb\0"		\
71 	"fdt_addr_r=" __stringify(CONFIG_KM_FDT_ADDR) "\0"		\
72 	"u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"		\
73 	"update="							\
74 		"protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
75 		"erase " __stringify(BOOTFLASH_START) "  +${filesize} && "\
76 		"cp.b ${load_addr_r} " __stringify(BOOTFLASH_START)	\
77 		"  ${filesize} && "					\
78 		"protect on " __stringify(BOOTFLASH_START) "  +${filesize}\0"\
79 	""
80 
81 #endif /* __CONFIG_KEYMILE_POWERPC_H */
82