3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
5 * SPDX-License-Identifier: GPL-2.0+
9 #include <asm/ppc4xx.h>
10 #include <asm/processor.h>
13 * include common flash code (for esd boards)
15 #include "../common/flash.c"
17 /*-----------------------------------------------------------------------
20 static ulong
flash_get_size (vu_long
*addr
, flash_info_t
*info
);
21 static void flash_get_offsets (ulong base
, flash_info_t
*info
);
23 /*-----------------------------------------------------------------------
26 unsigned long flash_init (void)
28 unsigned long size_b0
;
31 unsigned long base_b0
;
33 /* Init: no FLASHes known */
34 for (i
=0; i
<CONFIG_SYS_MAX_FLASH_BANKS
; ++i
) {
35 flash_info
[i
].flash_id
= FLASH_UNKNOWN
;
38 /* Static FLASH Bank configuration here - FIXME XXX */
40 size_b0
= flash_get_size((vu_long
*)FLASH_BASE0_PRELIM
, &flash_info
[0]);
42 if (flash_info
[0].flash_id
== FLASH_UNKNOWN
) {
43 printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
44 size_b0
, size_b0
<<20);
48 flash_get_offsets (-size_b0
, &flash_info
[0]);
50 /* Re-do sizing to get full correct info */
51 mtdcr(EBC0_CFGADDR
, PB0CR
);
52 pbcr
= mfdcr(EBC0_CFGDATA
);
53 mtdcr(EBC0_CFGADDR
, PB0CR
);
55 pbcr
= (pbcr
& 0x0001ffff) | base_b0
| (((size_b0
/1024/1024)-1)<<17);
56 mtdcr(EBC0_CFGDATA
, pbcr
);
57 /* printf("PB1CR = %x\n", pbcr); */
59 /* Monitor protection ON by default */
60 (void)flash_protect(FLAG_PROTECT_SET
,
65 flash_info
[0].size
= size_b0
;