1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Configuation settings for the Sentec Cobra Board.
5 * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
9 * Version: U-Boot 1.0.0 - initial release for Sentec COBRA5272 board
11 * Author: Florian Schlote
13 * For a description of configuration options please refer also to the
14 * general u-boot-1.x.x/README file
19 * board/config.h - configuration options, board specific
23 #ifndef _CONFIG_COBRA5272_H
24 #define _CONFIG_COBRA5272_H
27 * Defines processor clock - important for correct timings concerning serial
32 #define CFG_SYS_CLK 66000000
33 #define CFG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */
36 * Define baudrate for UART1 (console output, tftp, ...)
37 * default value of CONFIG_BAUDRATE for Sentec board: 19200 baud
38 * CFG_SYS_BAUDRATE_TABLE defines values that can be selected in u-boot command
43 #define CFG_SYS_UART_PORT (0)
46 * Configuration for environment
47 * Environment is embedded in u-boot in the second sector of the flash
51 #define LDS_BOARD_TEXT \
52 . = DEFINED(env_offset) ? env_offset : .; \
53 env/embedded.o(.text);
56 *-----------------------------------------------------------------------------
57 * Define user parameters that have to be customized most likely
58 *-----------------------------------------------------------------------------
61 /*AUTOBOOT settings - booting images automatically by u-boot after power on*/
63 /* The following settings will be contained in the environment block ; if you
64 want to use a neutral environment all those settings can be manually set in
65 u-boot: 'set' command */
69 enter a valid image address in flash */
71 /* User network settings */
78 *-----------------------------------------------------------------------------
79 * End of user parameters to be customized
80 *-----------------------------------------------------------------------------
84 * Defines memory range for test
89 * Low Level Configuration Settings
90 * (address mappings, register initial values, etc.)
91 * You should know what you are doing if you make changes here.
96 * Base register address
100 #define CFG_SYS_MBAR 0x10000000 /* Register Base Addrs */
103 * System Conf. Reg. & System Protection Reg.
107 #define CFG_SYS_SCR 0x0003
108 #define CFG_SYS_SPR 0xffff
110 /*-----------------------------------------------------------------------
111 * Definitions for initial stack pointer and data area (in internal SRAM)
113 #define CFG_SYS_INIT_RAM_ADDR 0x20000000
114 #define CFG_SYS_INIT_RAM_SIZE 0x1000 /* Size of used area in internal SRAM */
116 /*-----------------------------------------------------------------------
117 * Start addresses for the final memory configuration
118 * (Set up by the startup code)
119 * Please note that CFG_SYS_SDRAM_BASE _must_ start at 0
121 #define CFG_SYS_SDRAM_BASE 0x00000000
124 *-------------------------------------------------------------------------
125 * RAM SIZE (is defined above)
126 *-----------------------------------------------------------------------
129 /* #define CFG_SYS_SDRAM_SIZE 16 */
132 *-----------------------------------------------------------------------
135 #define CFG_SYS_FLASH_BASE 0xffe00000
138 * For booting Linux, the board info and command line data
139 * have to be in the first 8 MB of memory, since this is
140 * the maximum mapped by the Linux kernel during initialization ??
142 #define CFG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
144 /*-----------------------------------------------------------------------
145 * Cache Configuration
148 #define ICACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \
149 CFG_SYS_INIT_RAM_SIZE - 8)
150 #define DCACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \
151 CFG_SYS_INIT_RAM_SIZE - 4)
152 #define CFG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI)
153 #define CFG_SYS_CACHE_ACR0 (CFG_SYS_SDRAM_BASE | \
154 CF_ADDRMASK(CFG_SYS_SDRAM_SIZE) | \
155 CF_ACR_EN | CF_ACR_SM_ALL)
156 #define CFG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \
157 CF_CACR_DISD | CF_CACR_INVI | \
158 CF_CACR_CEIB | CF_CACR_DCM | \
161 /*-----------------------------------------------------------------------
164 #define LED_STAT_0 0xffff /*all LEDs off*/
165 #define LED_STAT_1 0xfffe
166 #define LED_STAT_2 0xfffd
167 #define LED_STAT_3 0xfffb
168 #define LED_STAT_4 0xfff7
169 #define LED_STAT_5 0xffef
170 #define LED_STAT_6 0xffdf
171 #define LED_STAT_7 0xff00 /*all LEDs on*/
173 /*-----------------------------------------------------------------------
174 * Port configuration (GPIO)
176 #define CFG_SYS_PACNT 0x00000000 /* PortA control reg.: All pins are external
178 #define CFG_SYS_PADDR 0x00FF /* PortA direction reg.: PA7 to PA0 are outputs
179 (1^=output, 0^=input) */
180 #define CFG_SYS_PADAT LED_STAT_0 /* PortA value reg.: Turn all LED off */
181 #define CFG_SYS_PBCNT 0x55554155 /* PortB control reg.: Ethernet/UART
183 #define CFG_SYS_PBDDR 0x0000 /* PortB direction: All pins configured as inputs */
184 #define CFG_SYS_PBDAT 0x0000 /* PortB value reg. */
185 #define CFG_SYS_PDCNT 0x00000000 /* PortD control reg. */
189 #endif /* _CONFIG_COBRA5272_H */