u-boot/board/esd/tasreg/flash.c

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/*
* (C) Copyright 2001
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
*
* SPDX-License-Identifier: GPL-2.0+
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*/
#include <common.h>
/*#include <asm/ppc4xx.h>*/
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#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) {
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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]);
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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,
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&flash_info[0]);
flash_info[0].size = size_b0;
return (size_b0);
}