3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Alex Zuepke <azu@sysgo.de>
6 * Configuation settings for the Shannon/TuxScreen/IS2630 WebPhone Board.
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 * If we are developing, we might want to start armboot from ram
32 * so we MUST NOT initialize critical regs like mem-timing ...
36 * we just run in non-critical mode now, because we use the Inferno-Loader to
39 #define CONFIG_INFERNO /* we are using the inferno bootldr */
40 #undef CONFIG_INIT_CRITICAL /* undef for developing */
43 * High Level Configuration Options
46 #define CONFIG_SA1100 1 /* This is an SA1100 CPU */
47 #define CONFIG_SHANNON 1 /* on an SHANNON/TuxScreen Board */
49 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
52 * Size of malloc() pool
54 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
55 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
60 #define CONFIG_DRIVER_3C589 1
63 * select serial console configuration
65 #define CONFIG_SERIAL3 1 /* we use SERIAL 3 */
67 /* allow to overwrite serial and ethaddr */
68 #define CONFIG_ENV_OVERWRITE
70 #define CONFIG_BAUDRATE 115200
72 #if 0 /* XXX - cannot test IDE anyway, so disabled for now - wd */
73 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
78 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
79 #include <cmd_confdefs.h>
81 #define CONFIG_BOOTDELAY 3
82 #define CONFIG_BOOTARGS "root=ramfs devfs=mount console=ttySA0,115200"
83 #define CONFIG_NETMASK 255.255.0.0
84 #define CONFIG_BOOTCOMMAND "help"
86 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
87 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
88 #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
92 * Miscellaneous configurable options
94 #define CFG_LONGHELP /* undef to save memory */
95 #define CFG_PROMPT "TuxScreen # " /* Monitor Command Prompt */
96 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
97 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
98 #define CFG_MAXARGS 16 /* max number of command args */
99 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
101 #define CFG_MEMTEST_START 0xc0400000 /* memtest works on */
102 #define CFG_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */
104 #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
106 #define CFG_LOAD_ADDR 0xd0000000 /* default load address */
108 #define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */
109 #define CFG_CPUSPEED 0x09 /* 190 MHz for Shannon */
111 /* valid baudrates */
112 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
114 #define CONFIG_DOS_PARTITION 1 /* DOS partitiion support */
116 /*-----------------------------------------------------------------------
119 * The stack sizes are set up in start.S using the settings below
121 #define CONFIG_STACKSIZE (128*1024) /* regular stack */
122 #ifdef CONFIG_USE_IRQ
123 #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
124 #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
127 /*-----------------------------------------------------------------------
128 * Physical Memory Map
131 #define CONFIG_NR_DRAM_BANKS 4 /* we have 4 banks of EDORAM */
132 #define PHYS_SDRAM_1 0xc0000000 /* RAM Bank #1 */
133 #define PHYS_SDRAM_1_SIZE 0x00400000 /* 4 MB */
134 #define PHYS_SDRAM_2 0xc8000000 /* RAM Bank #2 */
135 #define PHYS_SDRAM_2_SIZE 0x00400000 /* 4 MB */
136 #define PHYS_SDRAM_3 0xd0000000 /* RAM Bank #3 */
137 #define PHYS_SDRAM_3_SIZE 0x00400000 /* 4 MB */
138 #define PHYS_SDRAM_4 0xd8000000 /* RAM Bank #4 */
139 #define PHYS_SDRAM_4_SIZE 0x00400000 /* 4 MB */
142 #define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
143 #define PHYS_FLASH_SIZE 0x00400000 /* 4 MB */
145 #define CFG_FLASH_BASE PHYS_FLASH_1
147 /*-----------------------------------------------------------------------
148 * FLASH and environment organization
150 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
151 #define CFG_MAX_FLASH_SECT (31+4) /* max number of sectors on one chip */
153 /* timeout values are in ticks */
154 #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
155 #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
157 #define CFG_ENV_IS_IN_FLASH 1
158 #ifdef CONFIG_INFERNO
159 /* we take the last sector, 128 KB in size, but we only use 4 KB of it for stack reasons */
160 #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x003E0000) /* Addr of Environment Sector */
161 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
163 #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */
164 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
167 /*-----------------------------------------------------------------------
169 *-----------------------------------------------------------------------
173 /* we pick the upper one */
175 #define CONFIG_PCMCIA_SLOT_A
177 #define CFG_PCMCIA_IO_ADDR (0x20000000)
178 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
179 #define CFG_PCMCIA_DMA_ADDR (0x24000000)
180 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
181 #define CFG_PCMCIA_ATTRB_ADDR (0x2C000000)
182 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
183 #define CFG_PCMCIA_MEM_ADDR (0x28000000)
184 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
186 /* in fact, MEM and ATTRB are swapped - has to be corrected soon in cmd_pcmcia or so */
188 /*-----------------------------------------------------------------------
189 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
190 *-----------------------------------------------------------------------
193 #define CONFIG_IDE_PCCARD 1 /* Use IDE with PC Card Adapter */
195 #undef CONFIG_IDE_PCMCIA /* Direct IDE not supported */
196 #undef CONFIG_IDE_LED /* LED for ide not supported */
197 #undef CONFIG_IDE_RESET /* reset for ide not supported */
199 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
200 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
202 #define CFG_ATA_IDE0_OFFSET 0x0000
204 /* it's simple, all regs are in I/O space */
205 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_ATTRB_ADDR
207 /* Offset for data I/O */
208 #define CFG_ATA_DATA_OFFSET 0
210 /* Offset for normal register accesses */
211 #define CFG_ATA_REG_OFFSET 0
213 /* Offset for alternate registers */
214 #define CFG_ATA_ALT_OFFSET 0
216 /*-----------------------------------------------------------------------
219 #endif /* __CONFIG_H */