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Diffstat (limited to 'board/esd/dasa_sim/flash.c')
| -rw-r--r-- | board/esd/dasa_sim/flash.c | 77 | 
1 files changed, 77 insertions, 0 deletions
| diff --git a/board/esd/dasa_sim/flash.c b/board/esd/dasa_sim/flash.c new file mode 100644 index 000000000..2574eac7f --- /dev/null +++ b/board/esd/dasa_sim/flash.c @@ -0,0 +1,77 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * 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 + */ + +#include <common.h> +#include <ppc4xx.h> +#include <asm/processor.h> + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long *addr, flash_info_t *info); +static void flash_get_offsets (ulong base, flash_info_t *info); + + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ +	unsigned long size_b0; +        int i; +        unsigned long base_b0; + +	/* Init: no FLASHes known */ +	for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) { +		flash_info[i].flash_id = FLASH_UNKNOWN; +	} + +	/* Static FLASH Bank configuration here - FIXME XXX */ + +	size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); + +	if (flash_info[0].flash_id == FLASH_UNKNOWN) { +		printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", +			size_b0, size_b0<<20); +	} + +        /* Setup offsets */ +        flash_get_offsets (-size_b0, &flash_info[0]); + +        base_b0 = -size_b0; + +        /* Monitor protection ON by default */ +        (void)flash_protect(FLAG_PROTECT_SET, +                            -CFG_MONITOR_LEN, +                            0xffffffff, +                            &flash_info[0]); + +        flash_info[0].size = size_b0; + +	return (size_b0); +} |