board/esd/tasreg/flash.c

/*
 * (C) Copyright 2001
 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
/*#include <asm/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;

	/* Init: no FLASHes known */
	for (i=0; i<CONFIG_SYS_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 *)CONFIG_SYS_FLASH_BASE, &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]);

	/* test-only: todo: Re-do sizing to get full correct info */

	/* Monitor protection ON by default */
	(void)flash_protect(FLAG_PROTECT_SET,
			    CONFIG_SYS_FLASH_BASE,
			    CONFIG_SYS_FLASH_BASE+CONFIG_SYS_MONITOR_LEN-1,
			    &flash_info[0]);

	flash_info[0].size = size_b0;

	return (size_b0);
}