xref: /openbmc/u-boot/include/configs/km/km-powerpc.h (revision b1e6c4c3)
1 /*
2  * (C) Copyright 2011
3  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 #ifndef __CONFIG_KEYMILE_POWERPC_H
25 #define __CONFIG_KEYMILE_POWERPC_H
26 
27 /* Do boardspecific init for all boards */
28 #define CONFIG_BOARD_EARLY_INIT_R
29 #define CONFIG_LAST_STAGE_INIT
30 
31 #define CONFIG_BOOTCOUNT_LIMIT
32 
33 #define CONFIG_CMD_DTT
34 #define CONFIG_JFFS2_CMDLINE
35 
36 /* EEprom support 24C08, 24C16, 24C64 */
37 #define CONFIG_SYS_I2C_MULTI_EEPROMS
38 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
39 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	3  /* 8 Byte write page */
40 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10
41 
42 #define CONFIG_ENV_SIZE		0x04000		/* Size of Environment */
43 #define CONFIG_FLASH_CFI_MTD
44 
45 #define CONFIG_SYS_MEMTEST_START 0x00100000	/* memtest works on */
46 
47 #define CONFIG_SYS_MEMTEST_END	0x00f00000	/* 1 ... 15 MB in DRAM	*/
48 
49 #define CONFIG_SYS_LOAD_ADDR	0x100000	/* default load address */
50 
51 /******************************************************************************
52  * (PRAM usage)
53  * ... -------------------------------------------------------
54  * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
55  * ... |<------------------- pram -------------------------->|
56  * ... -------------------------------------------------------
57  * @END_OF_RAM:
58  * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
59  * @CONFIG_KM_PHRAM: address for /var
60  * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
61  * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
62  */
63 
64 /* size of rootfs in RAM */
65 #define CONFIG_KM_ROOTFSSIZE	0x0
66 /* pseudo-non volatile RAM [hex] */
67 #define CONFIG_KM_PNVRAM	0x80000
68 /* physical RAM MTD size [hex] */
69 #define CONFIG_KM_PHRAM		0x100000
70 /* resereved pram area at the end of memroy [hex] */
71 #define CONFIG_KM_RESERVED_PRAM	0x0
72 /* enable protected RAM */
73 #define CONFIG_PRAM		0
74 
75 #define CONFIG_KM_CRAMFS_ADDR	0x800000
76 #define CONFIG_KM_KERNEL_ADDR	0x400000	/* 3968Kbytes */
77 #define CONFIG_KM_FDT_ADDR	0x7E0000	/* 128Kbytes */
78 
79 /* architecture specific default bootargs */
80 #define CONFIG_KM_DEF_BOOT_ARGS_CPU		""
81 
82 #define CONFIG_KM_DEF_ENV_CPU						\
83 	"boot=bootm ${load_addr_r} - ${fdt_addr_r}\0"			\
84 	"cramfsloadfdt="						\
85 		"cramfsload ${fdt_addr_r} "				\
86 		"fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb\0"		\
87 	"fdt_addr_r=" __stringify(CONFIG_KM_FDT_ADDR) "\0"		\
88 	"u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"		\
89 	"update="							\
90 		"protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
91 		"erase " __stringify(BOOTFLASH_START) "  +${filesize} && "\
92 		"cp.b ${load_addr_r} " __stringify(BOOTFLASH_START)	\
93 		"  ${filesize} && "					\
94 		"protect on " __stringify(BOOTFLASH_START) "  +${filesize}\0"\
95 	""
96 
97 #endif /* __CONFIG_KEYMILE_POWERPC_H */
98