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 * Since we use the Inferno-Loader to bring us to live,
32 * we skip the lowlevel init stuff.
33 * But U-Boot still relocates itself into RAM
35 #define CONFIG_INFERNO /* we are using the inferno bootldr */
36 #define CONFIG_SKIP_LOWLEVEL_INIT 1
37 #undef CONFIG_SKIP_RELOCATE_UBOOT
40 * High Level Configuration Options
43 #define CONFIG_SA1100 1 /* This is an SA1100 CPU */
44 #define CONFIG_SHANNON 1 /* on an SHANNON/TuxScreen Board */
46 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
49 * Size of malloc() pool
51 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
52 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
57 #define CONFIG_DRIVER_3C589 1
60 * select serial console configuration
62 #define CONFIG_SERIAL3 1 /* we use SERIAL 3 */
64 /* allow to overwrite serial and ethaddr */
65 #define CONFIG_ENV_OVERWRITE
67 #define CONFIG_BAUDRATE 115200
69 #if 0 /* XXX - cannot test IDE anyway, so disabled for now - wd */
70 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
75 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
76 #include <cmd_confdefs.h>
78 #define CONFIG_BOOTDELAY 3
79 #define CONFIG_BOOTARGS "root=ramfs devfs=mount console=ttySA0,115200"
80 #define CONFIG_NETMASK 255.255.0.0
81 #define CONFIG_BOOTCOMMAND "help"
83 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
84 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
85 #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
89 * Miscellaneous configurable options
91 #define CFG_LONGHELP /* undef to save memory */
92 #define CFG_PROMPT "TuxScreen # " /* Monitor Command Prompt */
93 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
94 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
95 #define CFG_MAXARGS 16 /* max number of command args */
96 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
98 #define CFG_MEMTEST_START 0xc0400000 /* memtest works on */
99 #define CFG_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */
101 #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
103 #define CFG_LOAD_ADDR 0xd0000000 /* default load address */
105 #define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */
106 #define CFG_CPUSPEED 0x09 /* 190 MHz for Shannon */
108 /* valid baudrates */
109 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
111 #define CONFIG_DOS_PARTITION 1 /* DOS partitiion support */
113 /*-----------------------------------------------------------------------
116 * The stack sizes are set up in start.S using the settings below
118 #define CONFIG_STACKSIZE (128*1024) /* regular stack */
119 #ifdef CONFIG_USE_IRQ
120 #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
121 #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
124 /*-----------------------------------------------------------------------
125 * Physical Memory Map
128 #define CONFIG_NR_DRAM_BANKS 4 /* we have 4 banks of EDORAM */
129 #define PHYS_SDRAM_1 0xc0000000 /* RAM Bank #1 */
130 #define PHYS_SDRAM_1_SIZE 0x00400000 /* 4 MB */
131 #define PHYS_SDRAM_2 0xc8000000 /* RAM Bank #2 */
132 #define PHYS_SDRAM_2_SIZE 0x00400000 /* 4 MB */
133 #define PHYS_SDRAM_3 0xd0000000 /* RAM Bank #3 */
134 #define PHYS_SDRAM_3_SIZE 0x00400000 /* 4 MB */
135 #define PHYS_SDRAM_4 0xd8000000 /* RAM Bank #4 */
136 #define PHYS_SDRAM_4_SIZE 0x00400000 /* 4 MB */
139 #define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
140 #define PHYS_FLASH_SIZE 0x00400000 /* 4 MB */
142 #define CFG_FLASH_BASE PHYS_FLASH_1
144 /*-----------------------------------------------------------------------
145 * FLASH and environment organization
147 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
148 #define CFG_MAX_FLASH_SECT (31+4) /* max number of sectors on one chip */
150 /* timeout values are in ticks */
151 #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
152 #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
154 #define CFG_ENV_IS_IN_FLASH 1
155 #ifdef CONFIG_INFERNO
156 /* we take the last sector, 128 KB in size, but we only use 4 KB of it for stack reasons */
157 #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x003E0000) /* Addr of Environment Sector */
158 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
160 #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */
161 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
164 /*-----------------------------------------------------------------------
166 *-----------------------------------------------------------------------
170 /* we pick the upper one */
172 #define CONFIG_PCMCIA_SLOT_A
174 #define CFG_PCMCIA_IO_ADDR (0x20000000)
175 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
176 #define CFG_PCMCIA_DMA_ADDR (0x24000000)
177 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
178 #define CFG_PCMCIA_ATTRB_ADDR (0x2C000000)
179 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
180 #define CFG_PCMCIA_MEM_ADDR (0x28000000)
181 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
183 /* in fact, MEM and ATTRB are swapped - has to be corrected soon in cmd_pcmcia or so */
185 /*-----------------------------------------------------------------------
186 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
187 *-----------------------------------------------------------------------
190 #define CONFIG_IDE_PCCARD 1 /* Use IDE with PC Card Adapter */
192 #undef CONFIG_IDE_PCMCIA /* Direct IDE not supported */
193 #undef CONFIG_IDE_LED /* LED for ide not supported */
194 #undef CONFIG_IDE_RESET /* reset for ide not supported */
196 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
197 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
199 #define CFG_ATA_IDE0_OFFSET 0x0000
201 /* it's simple, all regs are in I/O space */
202 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_ATTRB_ADDR
204 /* Offset for data I/O */
205 #define CFG_ATA_DATA_OFFSET 0
207 /* Offset for normal register accesses */
208 #define CFG_ATA_REG_OFFSET 0
210 /* Offset for alternate registers */
211 #define CFG_ATA_ALT_OFFSET 0
213 /*-----------------------------------------------------------------------
216 #endif /* __CONFIG_H */