/* * (C) Copyright 2002 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * (C) Copyright 2002 Jun Gu <jung@artesyncp.com> * Add support for Am29F016D and dynamic switch setting. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA *//* * Modified 4/5/2001 * Wait for completion of each sector erase command issued * 4/5/2001 * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com */#include <common.h>#include <ppc4xx.h>#include <asm/processor.h>#undef DEBUG#ifdef DEBUG#define DEBUGF(x...) printf(x)#else#define DEBUGF(x...)#endif				/* DEBUG */#define     BOOT_SMALL_FLASH        32	/* 00100000 */#define     FLASH_ONBD_N            2	/* 00000010 */#define     FLASH_SRAM_SEL          1	/* 00000001 */#define     BOOT_SMALL_FLASH_VAL    4#define     FLASH_ONBD_N_VAL        2#define     FLASH_SRAM_SEL_VAL      1static unsigned long flash_addr_table[8][CFG_MAX_FLASH_BANKS] = {	{0xffc00000, 0xffe00000, 0xff880000},	/* 0:000: configuraton 3 */	{0xffc00000, 0xffe00000, 0xff800000},	/* 1:001: configuraton 4 */	{0xffc00000, 0xffe00000, 0x00000000},	/* 2:010: configuraton 7 */	{0xffc00000, 0xffe00000, 0x00000000},	/* 3:011: configuraton 8 */	{0xff800000, 0xffa00000, 0xfff80000},	/* 4:100: configuraton 1 */	{0xff800000, 0xffa00000, 0xfff00000},	/* 5:101: configuraton 2 */	{0xffc00000, 0xffe00000, 0x00000000},	/* 6:110: configuraton 5 */	{0xffc00000, 0xffe00000, 0x00000000}	/* 7:111: configuraton 6 */};/* * include common flash code (for amcc boards) */#include "../common/flash.c"/*----------------------------------------------------------------------- * Functions */static ulong flash_get_size(vu_long * addr, flash_info_t * info);unsigned long flash_init(void){	unsigned long total_b = 0;	unsigned long size_b[CFG_MAX_FLASH_BANKS];	unsigned char *fpga_base = (unsigned char *)CFG_FPGA_BASE;	unsigned char switch_status;	unsigned short index = 0;	int i;	/* read FPGA base register FPGA_REG0 */	switch_status = *fpga_base;	/* check the bitmap of switch status */	if (switch_status & BOOT_SMALL_FLASH) {		index += BOOT_SMALL_FLASH_VAL;	}	if (switch_status & FLASH_ONBD_N) {		index += FLASH_ONBD_N_VAL;	}	if (switch_status & FLASH_SRAM_SEL) {		index += FLASH_SRAM_SEL_VAL;	}	DEBUGF("\n");	DEBUGF("FLASH: Index: %d\n", index);	/* Init: no FLASHes known */	for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {		flash_info[i].flash_id = FLASH_UNKNOWN;		flash_info[i].sector_count = -1;		flash_info[i].size = 0;		/* check whether the address is 0 */		if (flash_addr_table[index][i] == 0) {			continue;		}		/* call flash_get_size() to initialize sector address */		size_b[i] = flash_get_size((vu_long *)					   flash_addr_table[index][i],					   &flash_info[i]);		flash_info[i].size = size_b[i];		if (flash_info[i].flash_id == FLASH_UNKNOWN) {			printf("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",			       i, size_b[i], size_b[i] << 20);			flash_info[i].sector_count = -1;			flash_info[i].size = 0;		}		/* Monitor protection ON by default */		(void)flash_protect(FLAG_PROTECT_SET, CFG_MONITOR_BASE,				    CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,				    &flash_info[2]);#ifdef CFG_ENV_IS_IN_FLASH		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,				    CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,				    &flash_info[2]);		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND,				    CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,				    &flash_info[2]);#endif		total_b += flash_info[i].size;	}	return total_b;}