xref: /openbmc/u-boot/include/configs/km/km-powerpc.h (revision ddf56bc7)
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 /* standard km ethernet_present for piggy */
21 #define CONFIG_KM_COMMON_ETH_INIT
22 
23 /* EEprom support 24C08, 24C16, 24C64 */
24 #define CONFIG_SYS_I2C_MULTI_EEPROMS
25 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
26 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	3  /* 8 Byte write page */
27 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10
28 
29 #define CONFIG_ENV_SIZE		0x04000		/* Size of Environment */
30 #define CONFIG_FLASH_CFI_MTD
31 
32 #define CONFIG_SYS_MEMTEST_START 0x00100000	/* memtest works on */
33 
34 #define CONFIG_SYS_MEMTEST_END	0x00f00000	/* 1 ... 15 MB in DRAM	*/
35 
36 #define CONFIG_SYS_LOAD_ADDR	0x100000	/* default load address */
37 
38 /* Reserve 4 MB for malloc */
39 #define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
40 
41 /******************************************************************************
42  * (PRAM usage)
43  * ... -------------------------------------------------------
44  * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
45  * ... |<------------------- pram -------------------------->|
46  * ... -------------------------------------------------------
47  * @END_OF_RAM:
48  * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
49  * @CONFIG_KM_PHRAM: address for /var
50  * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
51  * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
52  */
53 
54 /* size of rootfs in RAM */
55 #define CONFIG_KM_ROOTFSSIZE	0x0
56 /* pseudo-non volatile RAM [hex] */
57 #define CONFIG_KM_PNVRAM	0x80000
58 /* physical RAM MTD size [hex] */
59 #define CONFIG_KM_PHRAM		0x100000
60 /* resereved pram area at the end of memroy [hex] */
61 #define CONFIG_KM_RESERVED_PRAM	0x0
62 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable
63  * is not valid yet, which is the case for when u-boot copies itself to RAM */
64 #define CONFIG_PRAM		((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10)
65 
66 #define CONFIG_KM_CRAMFS_ADDR	0x800000
67 #define CONFIG_KM_KERNEL_ADDR	0x400000	/* 3968Kbytes */
68 #define CONFIG_KM_FDT_ADDR	0x7E0000	/* 128Kbytes */
69 
70 /* architecture specific default bootargs */
71 #define CONFIG_KM_DEF_BOOT_ARGS_CPU		""
72 
73 #define CONFIG_KM_DEF_ENV_CPU						\
74 	"u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"		\
75 	"update="							\
76 		"protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
77 		"erase " __stringify(BOOTFLASH_START) "  +${filesize} && "\
78 		"cp.b ${load_addr_r} " __stringify(BOOTFLASH_START)	\
79 		"  ${filesize} && "					\
80 		"protect on " __stringify(BOOTFLASH_START) "  +${filesize}\0"\
81 	"set_fdthigh=true\0"						\
82 	""
83 
84 #endif /* __CONFIG_KEYMILE_POWERPC_H */
85