mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 01:38:22 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
68 lines
1.6 KiB
C
68 lines
1.6 KiB
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;
|
|
uint pbcr;
|
|
unsigned long base_b0;
|
|
|
|
/* 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 *)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]);
|
|
|
|
/* Re-do sizing to get full correct info */
|
|
mtdcr(EBC0_CFGADDR, PB0CR);
|
|
pbcr = mfdcr(EBC0_CFGDATA);
|
|
mtdcr(EBC0_CFGADDR, PB0CR);
|
|
base_b0 = -size_b0;
|
|
pbcr = (pbcr & 0x0001ffff) | base_b0 | (((size_b0/1024/1024)-1)<<17);
|
|
mtdcr(EBC0_CFGDATA, pbcr);
|
|
/* printf("PB1CR = %x\n", pbcr); */
|
|
|
|
/* Monitor protection ON by default */
|
|
(void)flash_protect(FLAG_PROTECT_SET,
|
|
-monitor_flash_len,
|
|
0xffffffff,
|
|
&flash_info[0]);
|
|
|
|
flash_info[0].size = size_b0;
|
|
|
|
return (size_b0);
|
|
}
|