include/configs/M5282EVB.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Configuation settings for the Motorola MC5282EVB board.
 *
 * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
 */

/*
 * board/config.h - configuration options, board specific
 */

#ifndef _CONFIG_M5282EVB_H
#define _CONFIG_M5282EVB_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 CONFIG_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			64000000

/* PLL Configuration: Ext Clock * 6 (see table 9-4 of MCF user manual) */

#define CFG_SYS_MFD			0x02	/* PLL Multiplication Factor Devider */
#define CFG_SYS_RFD			0x00	/* PLL Reduce Frecuency Devider */

/*
 * 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
#define	CFG_SYS_INT_FLASH_BASE	0xf0000000
#define CFG_SYS_INT_FLASH_ENABLE	0x21

/*
 * 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		0x1000000	/* Max size that the board might have */
#	define CFG_SYS_FLASH_BANKS_LIST	{ CFG_SYS_FLASH_BASE }
#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_DCM)
#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_DISD | \
					 CF_CACR_CEIB | CF_CACR_DBWE | \
					 CF_CACR_EUSP)

/*-----------------------------------------------------------------------
 * Memory bank definitions
 */
#define CFG_SYS_CS0_BASE		0xFFE00000
#define CFG_SYS_CS0_CTRL		0x00001980
#define CFG_SYS_CS0_MASK		0x001F0001

/*-----------------------------------------------------------------------
 * Port configuration
 */
#define CFG_SYS_PACNT		0x0000000	/* Port A D[31:24] */
#define CFG_SYS_PADDR		0x0000000
#define CFG_SYS_PADAT		0x0000000

#define CFG_SYS_PBCNT		0x0000000	/* Port B D[23:16] */
#define CFG_SYS_PBDDR		0x0000000
#define CFG_SYS_PBDAT		0x0000000

#define CFG_SYS_PDCNT		0x0000000	/* Port D D[07:00] */

#define CFG_SYS_PEHLPAR		0xC0
#define CFG_SYS_PUAPAR		0x0F	/* UA0..UA3 = Uart 0 +1 */
#define CFG_SYS_DDRUA		0x05
#define CFG_SYS_PJPAR		0xFF

#endif				/* _CONFIG_M5282EVB_H */