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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_LACIE_KW_H
19 #define _CONFIG_LACIE_KW_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 #elif defined(CONFIG_NET2BIG_V2)
34 #define CONFIG_MACH_TYPE                MACH_TYPE_NET2BIG_V2
35 #define CONFIG_IDENT_STRING             " 2Big v2"
36 #else
37 #error "Unknown board"
38 #endif
39
40 /*
41  * High Level Configuration Options (easy to change)
42  */
43 #define CONFIG_FEROCEON_88FR131         /* CPU Core subversion */
44 #define CONFIG_KIRKWOOD                 /* SOC Family Name */
45 #define CONFIG_KW88F6281                /* SOC Name */
46 #define CONFIG_SKIP_LOWLEVEL_INIT       /* disable board lowlevel_init */
47
48 /*
49  * Commands configuration
50  */
51 #define CONFIG_SYS_NO_FLASH             /* Declare no flash (NOR/SPI) */
52 #include <config_cmd_default.h>
53 #define CONFIG_CMD_ENV
54 #define CONFIG_CMD_DHCP
55 #define CONFIG_CMD_PING
56 #define CONFIG_CMD_SF
57 #define CONFIG_CMD_I2C
58 #define CONFIG_CMD_IDE
59 #define CONFIG_CMD_USB
60
61 /*
62  * Core clock definition
63  */
64 #define CONFIG_SYS_TCLK                 166000000 /* 166MHz */
65
66 /*
67  * SDRAM configuration
68  */
69 #if defined(CONFIG_NET2BIG_V2)
70 #define CONFIG_NR_DRAM_BANKS            2
71 #else
72 #define CONFIG_NR_DRAM_BANKS            1
73 #endif
74
75 #ifdef CONFIG_INETSPACE_V2
76 /* Different SDRAM configuration and size for Internet Space v2 */
77 #define CONFIG_SYS_KWD_CONFIG ($(SRCTREE)/$(CONFIG_BOARDDIR)/kwbimage-is2.cfg)
78 #endif
79
80 /*
81  * mv-common.h should be defined after CMD configs since it used them
82  * to enable certain macros
83  */
84 #include "mv-common.h"
85
86 /* Remove or override few declarations from mv-common.h */
87 #undef CONFIG_RBTREE
88 #undef CONFIG_ENV_SPI_MAX_HZ
89 #undef CONFIG_SYS_IDE_MAXBUS
90 #undef CONFIG_SYS_IDE_MAXDEVICE
91 #undef CONFIG_SYS_PROMPT
92 #define CONFIG_ENV_SPI_MAX_HZ           20000000 /* 20Mhz */
93 #define CONFIG_SYS_IDE_MAXBUS           1
94 #define CONFIG_SYS_IDE_MAXDEVICE        1
95 #if defined(CONFIG_NET2BIG_V2)
96 #define CONFIG_SYS_PROMPT               "2big2> "
97 #else
98 #define CONFIG_SYS_PROMPT               "ns2> "
99 #endif
100
101 /*
102  * Ethernet Driver configuration
103  */
104 #ifdef CONFIG_CMD_NET
105 #define CONFIG_MISC_INIT_R /* Call misc_init_r() to initialize MAC address */
106 #define CONFIG_MVGBE_PORTS              {1, 0} /* enable port 0 only */
107 #define CONFIG_NETCONSOLE
108 #endif
109
110 /*
111  * SATA Driver configuration
112  */
113 #ifdef CONFIG_MVSATA_IDE
114 #define CONFIG_SYS_ATA_IDE0_OFFSET      MV_SATA_PORT0_OFFSET
115 #if defined(CONFIG_NETSPACE_MAX_V2) || defined(CONFIG_NET2BIG_V2)
116 #define CONFIG_SYS_ATA_IDE1_OFFSET      MV_SATA_PORT1_OFFSET
117 #endif
118 #endif /* CONFIG_MVSATA_IDE */
119
120 /*
121  * Enable GPI0 support
122  */
123 #define CONFIG_KIRKWOOD_GPIO
124
125 /*
126  * Enable I2C support
127  */
128 #ifdef CONFIG_CMD_I2C
129 /* I2C EEPROM HT24LC04 (512B - 32 pages of 16 Bytes) */
130 #define CONFIG_CMD_EEPROM
131 #define CONFIG_SYS_I2C_EEPROM_ADDR              0x50
132 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       4 /* 16-byte page size */
133 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN          1 /* 8-bit device address */
134 #endif /* CONFIG_CMD_I2C */
135
136 /*
137  * File systems support
138  */
139 #define CONFIG_CMD_EXT2
140 #define CONFIG_CMD_FAT
141
142 /*
143  * Use the HUSH parser
144  */
145 #define CONFIG_SYS_HUSH_PARSER
146 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
147
148 /*
149  * Console configuration
150  */
151 #define CONFIG_CONSOLE_MUX
152 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
153
154 /*
155  * Enable device tree support
156  */
157 #define CONFIG_OF_LIBFDT
158
159 /*
160  * Environment variables configurations
161  */
162 #define CONFIG_ENV_IS_IN_SPI_FLASH
163 #define CONFIG_ENV_SECT_SIZE            0x10000 /* 64KB */
164 #define CONFIG_ENV_SIZE                 0x1000  /* 4KB */
165 #define CONFIG_ENV_ADDR                 0x70000
166 #define CONFIG_ENV_OFFSET               0x70000 /* env starts here */
167
168 /*
169  * Default environment variables
170  */
171 #define CONFIG_BOOTARGS "console=ttyS0,115200"
172
173 #define CONFIG_BOOTCOMMAND                                      \
174         "dhcp && run netconsole; "                              \
175         "if run usbload || run diskload; then bootm; fi"
176
177 #define CONFIG_EXTRA_ENV_SETTINGS                               \
178         "stdin=serial\0"                                        \
179         "stdout=serial\0"                                       \
180         "stderr=serial\0"                                       \
181         "bootfile=uImage\0"                                     \
182         "loadaddr=0x800000\0"                                   \
183         "autoload=no\0"                                         \
184         "netconsole="                                           \
185                 "set stdin $stdin,nc; "                         \
186                 "set stdout $stdout,nc; "                       \
187                 "set stderr $stderr,nc;\0"                      \
188         "diskload=ide reset && "                                \
189                 "ext2load ide 0:1 $loadaddr /boot/$bootfile\0"  \
190         "usbload=usb start && "                                 \
191                 "fatload usb 0:1 $loadaddr /boot/$bootfile\0"
192
193 #endif /* _CONFIG_LACIE_KW_H */