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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Configuation settings for the Motorola MC5272C3 board.
*
* (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
*/
/*
* board/config.h - configuration options, board specific
*/
#ifndef _M5272C3_H
#define _M5272C3_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);
#define CFG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \
"loadaddr=10000\0" \
"u-boot=u-boot.bin\0" \
"load=tftp ${loadaddr) ${u-boot}\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 66000000
/*
* 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 0x10000000 /* Register Base Addrs */
#define CFG_SYS_SCR 0x0003
#define CFG_SYS_SPR 0xffff
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CFG_SYS_INIT_RAM_ADDR 0x20000000
#define CFG_SYS_INIT_RAM_SIZE 0x1000 /* 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 4 /* SDRAM size in MB */
#define CFG_SYS_FLASH_BASE 0xffe00000
/*
* 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
*/
#ifdef CONFIG_SYS_FLASH_CFI
# define CFG_SYS_FLASH_SIZE 0x800000 /* Max size that the board might have */
#endif
/*-----------------------------------------------------------------------
* 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)
/*-----------------------------------------------------------------------
* Port configuration
*/
#define CFG_SYS_PACNT 0x00000000
#define CFG_SYS_PADDR 0x0000
#define CFG_SYS_PADAT 0x0000
#define CFG_SYS_PBCNT 0x55554155 /* Ethernet/UART configuration */
#define CFG_SYS_PBDDR 0x0000
#define CFG_SYS_PBDAT 0x0000
#define CFG_SYS_PDCNT 0x00000000
#endif /* _M5272C3_H */
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