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km/common: simplify default environment
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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 #define CONFIG_ENV_SIZE         0x04000         /* Size of Environment */
33 #define CONFIG_FLASH_CFI_MTD
34
35 #define CONFIG_SYS_MEMTEST_START 0x00100000     /* memtest works on */
36
37 #define CONFIG_SYS_MEMTEST_END  0x00f00000      /* 1 ... 15 MB in DRAM  */
38
39 #define CONFIG_SYS_LOAD_ADDR    0x100000        /* default load address */
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 /* enable protected RAM */
63 #define CONFIG_PRAM             0
64
65 #define CONFIG_KM_CRAMFS_ADDR   0x800000
66 #define CONFIG_KM_KERNEL_ADDR   0x400000        /* 3968Kbytes */
67 #define CONFIG_KM_FDT_ADDR      0x7E0000        /* 128Kbytes */
68
69 #define CONFIG_KM_DEF_ENV_CPU                                           \
70         "addbootcount=true\0"                                           \
71         "addmtdparts=true\0"                                            \
72         "boot=bootm ${actual_kernel_addr} - ${actual_fdt_addr}\0"       \
73         "cramfsloadfdt="                                                \
74                 "cramfsload ${fdt_addr_r} "                             \
75                 "fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb && "           \
76                 "setenv actual_fdt_addr ${fdt_addr_r}\0"                \
77         "fdt_addr_r=" xstr(CONFIG_KM_FDT_ADDR) "\0"                     \
78         "update="                                                       \
79                 "protect off " xstr(BOOTFLASH_START) " +${filesize} && "\
80                 "erase " xstr(BOOTFLASH_START) "  +${filesize} && "     \
81                 "cp.b ${u-boot_addr_r} " xstr(BOOTFLASH_START)          \
82                 "  ${filesize} && "                                     \
83                 "protect on " xstr(BOOTFLASH_START) "  +${filesize}\0"  \
84         ""
85
86 #define CONFIG_KM_ARCH_DBG_FILE         "scripts/debug-ppc-env.txt"
87
88 #endif /* __CONFIG_KEYMILE_POWERPC_H */