/* SPDX-License-Identifier: GPL-2.0+ */ /* * Configuation settings for the Motorola MC5275EVB board. * * By Arthur Shipkowski * Copyright (C) 2005 Videon Central, Inc. * * Based off of M5272C3 board code by Josef Baumgartner * */ /* * board/config.h - configuration options, board specific */ #ifndef _M5275EVB_H #define _M5275EVB_H /* * High Level Configuration Options * (easy to change) */ #define CFG_SYS_UART_PORT (0) /* Configuration for environment * Environment is embedded in u-boot in the second sector of the flash */ #define LDS_BOARD_TEXT \ . = DEFINED(env_offset) ? env_offset : .; \ env/embedded.o(.text); /* Available command configuration */ /* I2C */ #define CFG_SYS_I2C_PINMUX_REG (gpio_reg->par_feci2c) #define CFG_SYS_I2C_PINMUX_CLR (0xFFF0) #define CFG_SYS_I2C_PINMUX_SET (0x000F) #define CONFIG_EXTRA_ENV_SETTINGS \ "netdev=eth0\0" \ "loadaddr=10000\0" \ "uboot=u-boot.bin\0" \ "load=tftp ${loadaddr} ${uboot}\0" \ "upd=run load; run prog\0" \ "prog=prot off ffe00000 ffe3ffff;" \ "era ffe00000 ffe3ffff;" \ "cp.b ${loadaddr} ffe00000 ${filesize};"\ "save\0" \ "" #define CFG_SYS_CLK 150000000 /* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. */ #define CFG_SYS_MBAR 0x40000000 /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #define CFG_SYS_INIT_RAM_ADDR 0x20000000 #define CFG_SYS_INIT_RAM_SIZE 0x10000 /* Size of used area in internal SRAM */ /*----------------------------------------------------------------------- * Start addresses for the final memory configuration * (Set up by the startup code) * Please note that CFG_SYS_SDRAM_BASE _must_ start at 0 */ #define CFG_SYS_SDRAM_BASE 0x00000000 #define CFG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */ #define CFG_SYS_FLASH_BASE CFG_SYS_CS0_BASE /* * For booting Linux, the board info and command line data * have to be in the first 8 MB of memory, since this is * the maximum mapped by the Linux kernel during initialization ?? */ #define CFG_SYS_BOOTMAPSZ (CFG_SYS_SDRAM_BASE + (CFG_SYS_SDRAM_SIZE << 20)) /*----------------------------------------------------------------------- * FLASH organization */ #define CFG_SYS_FLASH_SIZE 0x200000 /*----------------------------------------------------------------------- * Cache Configuration */ #define ICACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ CFG_SYS_INIT_RAM_SIZE - 8) #define DCACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ CFG_SYS_INIT_RAM_SIZE - 4) #define CFG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI) #define CFG_SYS_CACHE_ACR0 (CFG_SYS_SDRAM_BASE | \ CF_ADDRMASK(CFG_SYS_SDRAM_SIZE) | \ CF_ACR_EN | CF_ACR_SM_ALL) #define CFG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \ CF_CACR_DISD | CF_CACR_INVI | \ CF_CACR_CEIB | CF_CACR_DCM | \ CF_CACR_EUSP) /*----------------------------------------------------------------------- * Memory bank definitions */ #define CFG_SYS_CS0_BASE 0xffe00000 #define CFG_SYS_CS0_CTRL 0x00001980 #define CFG_SYS_CS0_MASK 0x001F0001 #define CFG_SYS_CS1_BASE 0x30000000 #define CFG_SYS_CS1_CTRL 0x00001900 #define CFG_SYS_CS1_MASK 0x00070001 #endif /* _M5275EVB_H */