xref: /openbmc/u-boot/include/configs/km/km-powerpc.h (revision db0bb572)
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 /* architecture specific default bootargs */
70 #define CONFIG_KM_DEF_BOOT_ARGS_CPU		""
71 
72 #define CONFIG_KM_DEF_ENV_CPU						\
73 	"boot=bootm ${load_addr_r} - ${fdt_addr_r}\0"			\
74 	"cramfsloadfdt="						\
75 		"cramfsload ${fdt_addr_r} "				\
76 		"fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb\0"		\
77 	"fdt_addr_r=" xstr(CONFIG_KM_FDT_ADDR) "\0"			\
78 	"update="							\
79 		"protect off " xstr(BOOTFLASH_START) " +${filesize} && "\
80 		"erase " xstr(BOOTFLASH_START) "  +${filesize} && "	\
81 		"cp.b ${load_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 */
89