3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
6 * Configuation settings for the EP7312 board.
8 * Modified to work on Armadillo HT1070 ARM720T board
9 * (C) Copyright 2005 Rowel Atienza rowel@diwalabs.com
11 * See file CREDITS for list of people who contributed to this
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
34 * If we are developing, we might want to start armboot from ram
35 * so we MUST NOT initialize critical regs like mem-timing ...
37 /*#define CONFIG_INIT_CRITICAL*/ /* undef for developing */
40 * High Level Configuration Options
43 #define CONFIG_ARM7 1 /* This is a ARM7 CPU */
44 #define CONFIG_ARMADILLO 1 /* on an Armadillo Board */
45 #define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */
46 #undef CONFIG_ARM7_REVD /* disable ARM720 REV.D Workarounds */
48 #undef CONFIG_USE_IRQ /* don't need them anymore */
51 * Size of malloc() pool
53 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
54 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
59 #define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */
60 #define CS8900_BASE 0x20000300 /* armadillo board */
61 #define CS8900_BUS16 1
65 * select serial console configuration
67 #define CONFIG_SERIAL1 1 /* we use Serial line 1 */
69 /* allow to overwrite serial and ethaddr */
70 #define CONFIG_ENV_OVERWRITE
72 #define CONFIG_BAUDRATE 115200
77 #define CONFIG_BOOTP_SUBNETMASK
78 #define CONFIG_BOOTP_GATEWAY
79 #define CONFIG_BOOTP_HOSTNAME
80 #define CONFIG_BOOTP_BOOTPATH
81 #define CONFIG_BOOTP_BOOTFILESIZE
85 * Command line configuration.
87 #include <config_cmd_default.h>
90 #define CONFIG_BOOTDELAY 3
91 #define CONFIG_BOOTARGS "root=/dev/ram0 rootfstype=ext2 console=ttyAM0,115200"
93 #define CONFIG_BOOTCOMMAND "bootm 40000 180000"
96 * Miscellaneous configurable options
98 #define CFG_LONGHELP /* undef to save memory */
99 #define CFG_PROMPT "ARMADILLO # " /* Monitor Command Prompt */
100 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
101 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
102 #define CFG_MAXARGS 16 /* max number of command args */
103 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
105 #define CFG_MEMTEST_START 0xc0400000 /* memtest works on */
106 #define CFG_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */
108 #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
110 #define CFG_LOAD_ADDR 0x00040000 /* default load address for armadillo: kernel img is here*/
112 #define CFG_HZ 2000 /* decrementer freq: 2 kHz */
114 /* valid baudrates */
115 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
117 /*-----------------------------------------------------------------------
120 * The stack sizes are set up in start.S using the settings below
122 #define CONFIG_STACKSIZE (128*1024) /* regular stack */
123 #ifdef CONFIG_USE_IRQ
124 #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
125 #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
128 /*-----------------------------------------------------------------------
129 * Physical Memory Map
131 #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
132 #define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */
133 #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB armadillo SDRAM */
135 #define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
136 #define PHYS_FLASH_SIZE 0x00400000 /* 4 MB */
138 #define CFG_FLASH_BASE PHYS_FLASH_1
140 /*-----------------------------------------------------------------------
141 * FLASH and environment organization
143 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
144 #define CFG_MAX_FLASH_SECT 512 /* max number of sectors on one chip */
146 /* timeout values are in ticks */
147 #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
148 #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
150 #define CFG_ENV_IS_IN_FLASH 1
151 #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x20000) /* Addr of Environment Sector */
152 #define CFG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */
154 #define CONFIG_CMDLINE_TAG
155 #define CONFIG_SETUP_MEMORY_TAGS
156 #define CONFIG_INITRD_TAG
158 #endif /* __CONFIG_H */