1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Configuation settings for the Motorola MC5275EVB board.
5 * By Arthur Shipkowski <art@videon-central.com>
6 * Copyright (C) 2005 Videon Central, Inc.
8 * Based off of M5272C3 board code by Josef Baumgartner
9 * <josef.baumgartner@telex.de>
13 * board/config.h - configuration options, board specific
20 * High Level Configuration Options
24 #define CONFIG_SYS_UART_PORT (0)
26 /* Configuration for environment
27 * Environment is embedded in u-boot in the second sector of the flash
30 #define LDS_BOARD_TEXT \
31 . = DEFINED(env_offset) ? env_offset : .; \
32 env/embedded.o(.text);
34 /* Available command configuration */
37 #define CONFIG_SYS_I2C_PINMUX_REG (gpio_reg->par_feci2c)
38 #define CONFIG_SYS_I2C_PINMUX_CLR (0xFFF0)
39 #define CONFIG_SYS_I2C_PINMUX_SET (0x000F)
42 # define CONFIG_OVERWRITE_ETHADDR_ONCE
45 #define CONFIG_EXTRA_ENV_SETTINGS \
48 "uboot=u-boot.bin\0" \
49 "load=tftp ${loadaddr} ${uboot}\0" \
50 "upd=run load; run prog\0" \
51 "prog=prot off ffe00000 ffe3ffff;" \
52 "era ffe00000 ffe3ffff;" \
53 "cp.b ${loadaddr} ffe00000 ${filesize};"\
57 #define CONFIG_SYS_CLK 150000000
60 * Low Level Configuration Settings
61 * (address mappings, register initial values, etc.)
62 * You should know what you are doing if you make changes here.
65 #define CONFIG_SYS_MBAR 0x40000000
67 /*-----------------------------------------------------------------------
68 * Definitions for initial stack pointer and data area (in DPRAM)
70 #define CONFIG_SYS_INIT_RAM_ADDR 0x20000000
71 #define CONFIG_SYS_INIT_RAM_SIZE 0x10000 /* Size of used area in internal SRAM */
73 /*-----------------------------------------------------------------------
74 * Start addresses for the final memory configuration
75 * (Set up by the startup code)
76 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
78 #define CONFIG_SYS_SDRAM_BASE 0x00000000
79 #define CONFIG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */
80 #define CONFIG_SYS_FLASH_BASE CONFIG_SYS_CS0_BASE
82 #define CONFIG_SYS_MONITOR_LEN 0x20000
85 * For booting Linux, the board info and command line data
86 * have to be in the first 8 MB of memory, since this is
87 * the maximum mapped by the Linux kernel during initialization ??
89 #define CONFIG_SYS_BOOTMAPSZ (CONFIG_SYS_SDRAM_BASE + (CONFIG_SYS_SDRAM_SIZE << 20))
91 /*-----------------------------------------------------------------------
95 #define CONFIG_SYS_FLASH_SIZE 0x200000
97 /*-----------------------------------------------------------------------
101 #define ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
102 CONFIG_SYS_INIT_RAM_SIZE - 8)
103 #define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
104 CONFIG_SYS_INIT_RAM_SIZE - 4)
105 #define CONFIG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI)
106 #define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \
107 CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \
108 CF_ACR_EN | CF_ACR_SM_ALL)
109 #define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \
110 CF_CACR_DISD | CF_CACR_INVI | \
111 CF_CACR_CEIB | CF_CACR_DCM | \
114 /*-----------------------------------------------------------------------
115 * Memory bank definitions
117 #define CONFIG_SYS_CS0_BASE 0xffe00000
118 #define CONFIG_SYS_CS0_CTRL 0x00001980
119 #define CONFIG_SYS_CS0_MASK 0x001F0001
121 #define CONFIG_SYS_CS1_BASE 0x30000000
122 #define CONFIG_SYS_CS1_CTRL 0x00001900
123 #define CONFIG_SYS_CS1_MASK 0x00070001
125 #endif /* _M5275EVB_H */