xref: /openbmc/u-boot/include/configs/km/km-powerpc.h (revision 9d86f0c3)
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 #define CONFIG_BOOTCOUNT_LIMIT
28 
29 #define CONFIG_CMD_DTT
30 #define CONFIG_JFFS2_CMDLINE
31 
32 /* EEprom support 24C08, 24C16, 24C64 */
33 #define CONFIG_SYS_I2C_MULTI_EEPROMS
34 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
35 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	3  /* 8 Byte write page */
36 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10
37 
38 #define CONFIG_ENV_SIZE		0x04000		/* Size of Environment */
39 #define CONFIG_FLASH_CFI_MTD
40 
41 #define CONFIG_SYS_MEMTEST_START 0x00100000	/* memtest works on */
42 
43 #define CONFIG_SYS_MEMTEST_END	0x00f00000	/* 1 ... 15 MB in DRAM	*/
44 
45 #define CONFIG_SYS_LOAD_ADDR	0x100000	/* default load address */
46 
47 /******************************************************************************
48  * (PRAM usage)
49  * ... -------------------------------------------------------
50  * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
51  * ... |<------------------- pram -------------------------->|
52  * ... -------------------------------------------------------
53  * @END_OF_RAM:
54  * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
55  * @CONFIG_KM_PHRAM: address for /var
56  * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
57  * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
58  */
59 
60 /* size of rootfs in RAM */
61 #define CONFIG_KM_ROOTFSSIZE	0x0
62 /* pseudo-non volatile RAM [hex] */
63 #define CONFIG_KM_PNVRAM	0x80000
64 /* physical RAM MTD size [hex] */
65 #define CONFIG_KM_PHRAM		0x100000
66 /* resereved pram area at the end of memroy [hex] */
67 #define CONFIG_KM_RESERVED_PRAM	0x0
68 /* enable protected RAM */
69 #define CONFIG_PRAM		0
70 
71 #define CONFIG_KM_CRAMFS_ADDR	0x800000
72 #define CONFIG_KM_KERNEL_ADDR	0x400000	/* 3968Kbytes */
73 #define CONFIG_KM_FDT_ADDR	0x7E0000	/* 128Kbytes */
74 
75 /* architecture specific default bootargs */
76 #define CONFIG_KM_DEF_BOOT_ARGS_CPU		""
77 
78 #define CONFIG_KM_DEF_ENV_CPU						\
79 	"boot=bootm ${load_addr_r} - ${fdt_addr_r}\0"			\
80 	"cramfsloadfdt="						\
81 		"cramfsload ${fdt_addr_r} "				\
82 		"fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb\0"		\
83 	"fdt_addr_r=" __stringify(CONFIG_KM_FDT_ADDR) "\0"		\
84 	"u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"		\
85 	"update="							\
86 		"protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
87 		"erase " __stringify(BOOTFLASH_START) "  +${filesize} && "\
88 		"cp.b ${load_addr_r} " __stringify(BOOTFLASH_START)	\
89 		"  ${filesize} && "					\
90 		"protect on " __stringify(BOOTFLASH_START) "  +${filesize}\0"\
91 	""
92 
93 #endif /* __CONFIG_KEYMILE_POWERPC_H */
94