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powerpc/83xx: fix sdram initialization for keymile boards
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1 /*
2  * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  */
17
18 #ifndef _CONFIG_NETSPACE_V2_H
19 #define _CONFIG_NETSPACE_V2_H
20
21 /*
22  * Machine number definition
23  */
24 #if defined(CONFIG_INETSPACE_V2)
25 #define CONFIG_MACH_TYPE                MACH_TYPE_INETSPACE_V2
26 #define CONFIG_IDENT_STRING             " IS v2"
27 #elif defined(CONFIG_NETSPACE_V2)
28 #define CONFIG_MACH_TYPE                MACH_TYPE_NETSPACE_V2
29 #define CONFIG_IDENT_STRING             " NS v2"
30 #elif defined(CONFIG_NETSPACE_MAX_V2)
31 #define CONFIG_MACH_TYPE                MACH_TYPE_NETSPACE_MAX_V2
32 #define CONFIG_IDENT_STRING             " NS Max v2"
33 #else
34 #error "Unknown board"
35 #endif
36
37 /*
38  * High Level Configuration Options (easy to change)
39  */
40 #define CONFIG_FEROCEON_88FR131         /* CPU Core subversion */
41 #define CONFIG_KIRKWOOD                 /* SOC Family Name */
42 #define CONFIG_KW88F6281                /* SOC Name */
43 #define CONFIG_SKIP_LOWLEVEL_INIT       /* disable board lowlevel_init */
44
45 /*
46  * Commands configuration
47  */
48 #define CONFIG_SYS_NO_FLASH             /* Declare no flash (NOR/SPI) */
49 #include <config_cmd_default.h>
50 #define CONFIG_CMD_ENV
51 #define CONFIG_CMD_DHCP
52 #define CONFIG_CMD_PING
53 #define CONFIG_CMD_SF
54 #define CONFIG_CMD_I2C
55 #define CONFIG_CMD_IDE
56 #define CONFIG_CMD_USB
57
58 /*
59  * Core clock definition.
60  */
61 #define CONFIG_SYS_TCLK                 166000000 /* 166MHz */
62
63 #define CONFIG_NR_DRAM_BANKS            1
64 #ifdef CONFIG_INETSPACE_V2
65 /* Different SDRAM configuration and size for Internet Space v2 */
66 #define CONFIG_SYS_KWD_CONFIG ($(SRCTREE)/$(CONFIG_BOARDDIR)/kwbimage-is2.cfg)
67 #endif
68
69 /*
70  * mv-common.h should be defined after CMD configs since it used them
71  * to enable certain macros
72  */
73 #include "mv-common.h"
74
75 /* Remove or override few declarations from mv-common.h */
76 #undef CONFIG_RBTREE
77 #undef CONFIG_ENV_SPI_MAX_HZ
78 #undef CONFIG_SYS_IDE_MAXBUS
79 #undef CONFIG_SYS_IDE_MAXDEVICE
80 #undef CONFIG_SYS_PROMPT
81 #define CONFIG_ENV_SPI_MAX_HZ           20000000 /* 20Mhz */
82 #define CONFIG_SYS_IDE_MAXBUS           1
83 #define CONFIG_SYS_IDE_MAXDEVICE        1
84 #define CONFIG_SYS_PROMPT               "ns2> "
85
86 /*
87  * Ethernet Driver configuration
88  */
89 #ifdef CONFIG_CMD_NET
90 #define CONFIG_MVGBE_PORTS              {1, 0} /* enable port 0 only */
91 #define CONFIG_NETCONSOLE
92 #endif
93
94 /*
95  * SATA Driver configuration
96  */
97 #ifdef CONFIG_MVSATA_IDE
98 #define CONFIG_SYS_ATA_IDE0_OFFSET      MV_SATA_PORT0_OFFSET
99 /* Network Space Max v2 use 2 SATA ports */
100 #ifdef CONFIG_NETSPACE_MAX_V2
101 #define CONFIG_SYS_ATA_IDE1_OFFSET      MV_SATA_PORT1_OFFSET
102 #endif
103 #endif
104
105 /*
106  * Enable GPI0 support
107  */
108 #define CONFIG_KIRKWOOD_GPIO
109
110 /*
111  * Enable I2C support
112  */
113 #ifdef CONFIG_CMD_I2C
114 /* I2C EEPROM HT24LC04 (512B - 32 pages of 16 Bytes) */
115 #define CONFIG_CMD_EEPROM
116 #define CONFIG_SYS_I2C_EEPROM_ADDR              0x50
117 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       4 /* 16-byte page size */
118 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN          1 /* 8-bit device address */
119 #endif /* CONFIG_CMD_I2C */
120
121 /*
122  * File systems support
123  */
124 #define CONFIG_CMD_EXT2
125 #define CONFIG_CMD_FAT
126
127 /*
128  * Use the HUSH parser
129  */
130 #define CONFIG_SYS_HUSH_PARSER
131 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
132
133 /*
134  * Console configuration
135  */
136 #define CONFIG_CONSOLE_MUX
137 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
138
139 /*
140  * Enable device tree support
141  */
142 #define CONFIG_OF_LIBFDT
143
144 /*
145  * Environment variables configurations
146  */
147 #define CONFIG_ENV_IS_IN_SPI_FLASH
148 #define CONFIG_ENV_SECT_SIZE            0x10000 /* 64KB */
149 #define CONFIG_ENV_SIZE                 0x1000  /* 4KB */
150 #define CONFIG_ENV_ADDR                 0x70000
151 #define CONFIG_ENV_OFFSET               0x70000 /* env starts here */
152
153 /*
154  * Default environment variables
155  */
156 #define CONFIG_BOOTARGS "console=ttyS0,115200"
157
158 #define CONFIG_BOOTCOMMAND                                      \
159         "dhcp && run netconsole; "                              \
160         "if run usbload || run diskload; then bootm; fi"
161
162 #define CONFIG_EXTRA_ENV_SETTINGS                               \
163         "stdin=serial\0"                                        \
164         "stdout=serial\0"                                       \
165         "stderr=serial\0"                                       \
166         "bootfile=uImage\0"                                     \
167         "loadaddr=0x800000\0"                                   \
168         "autoload=no\0"                                         \
169         "netconsole="                                           \
170                 "set stdin $stdin,nc; "                         \
171                 "set stdout $stdout,nc; "                       \
172                 "set stderr $stderr,nc;\0"                      \
173         "diskload=ide reset && "                                \
174                 "ext2load ide 0:1 $loadaddr /boot/$bootfile\0"  \
175         "usbload=usb start && "                                 \
176                 "fatload usb 0:1 $loadaddr /boot/$bootfile\0"
177
178 #endif /* _CONFIG_NETSPACE_V2_H */