2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
10 * Wait for completion of each sector erase command issued
12 * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
16 #include <asm/ppc4xx.h>
17 #include <asm/processor.h>
21 #define DEBUGF(x...) printf(x)
27 * include common flash code (for amcc boards)
29 #include "../common/flash.c"
31 /*-----------------------------------------------------------------------
34 static ulong
flash_get_size(vu_long
* addr
, flash_info_t
* info
);
35 static void flash_get_offsets(ulong base
, flash_info_t
* info
);
37 unsigned long flash_init(void)
39 unsigned long size_b0
, size_b1
;
42 unsigned long base_b0
, base_b1
;
44 /* Init: no FLASHes known */
45 for (i
= 0; i
< CONFIG_SYS_MAX_FLASH_BANKS
; ++i
) {
46 flash_info
[i
].flash_id
= FLASH_UNKNOWN
;
49 /* Static FLASH Bank configuration here - FIXME XXX */
52 flash_get_size((vu_long
*) FLASH_BASE0_PRELIM
, &flash_info
[0]);
54 if (flash_info
[0].flash_id
== FLASH_UNKNOWN
) {
55 printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
56 size_b0
, size_b0
<< 20);
60 if (CONFIG_SYS_MAX_FLASH_BANKS
== 1) {
62 flash_get_offsets(FLASH_BASE0_PRELIM
, &flash_info
[0]);
64 /* Monitor protection ON by default */
65 (void)flash_protect(FLAG_PROTECT_SET
,
66 CONFIG_SYS_MONITOR_BASE
,
67 CONFIG_SYS_MONITOR_BASE
+ CONFIG_SYS_MONITOR_LEN
- 1,
69 #ifdef CONFIG_ENV_IS_IN_FLASH
70 (void)flash_protect(FLAG_PROTECT_SET
, CONFIG_ENV_ADDR
,
71 CONFIG_ENV_ADDR
+ CONFIG_ENV_SECT_SIZE
- 1,
73 (void)flash_protect(FLAG_PROTECT_SET
, CONFIG_ENV_ADDR_REDUND
,
74 CONFIG_ENV_ADDR_REDUND
+ CONFIG_ENV_SECT_SIZE
- 1,
79 flash_info
[0].size
= size_b0
;
83 flash_get_size((vu_long
*) FLASH_BASE1_PRELIM
,
86 /* Re-do sizing to get full correct info */
89 mtdcr(EBC0_CFGADDR
, PB0CR
);
90 pbcr
= mfdcr(EBC0_CFGDATA
);
91 mtdcr(EBC0_CFGADDR
, PB0CR
);
94 (pbcr
& 0x0001ffff) | base_b1
|
95 (((size_b1
/ 1024 / 1024) - 1) << 17);
96 mtdcr(EBC0_CFGDATA
, pbcr
);
97 /* printf("PB1CR = %x\n", pbcr); */
101 mtdcr(EBC0_CFGADDR
, PB1CR
);
102 pbcr
= mfdcr(EBC0_CFGDATA
);
103 mtdcr(EBC0_CFGADDR
, PB1CR
);
104 base_b0
= base_b1
- size_b0
;
106 (pbcr
& 0x0001ffff) | base_b0
|
107 (((size_b0
/ 1024 / 1024) - 1) << 17);
108 mtdcr(EBC0_CFGDATA
, pbcr
);
109 /* printf("PB0CR = %x\n", pbcr); */
112 size_b0
= flash_get_size((vu_long
*) base_b0
, &flash_info
[0]);
114 flash_get_offsets(base_b0
, &flash_info
[0]);
116 /* monitor protection ON by default */
117 (void)flash_protect(FLAG_PROTECT_SET
,
118 base_b0
+ size_b0
- monitor_flash_len
,
119 base_b0
+ size_b0
- 1, &flash_info
[0]);
122 /* Re-do sizing to get full correct info */
124 flash_get_size((vu_long
*) base_b1
, &flash_info
[1]);
126 flash_get_offsets(base_b1
, &flash_info
[1]);
128 /* monitor protection ON by default */
129 (void)flash_protect(FLAG_PROTECT_SET
,
132 base_b1
+ size_b1
- 1,
134 /* monitor protection OFF by default (one is enough) */
135 (void)flash_protect(FLAG_PROTECT_CLEAR
,
138 base_b0
+ size_b0
- 1,
141 flash_info
[1].flash_id
= FLASH_UNKNOWN
;
142 flash_info
[1].sector_count
= -1;
145 flash_info
[0].size
= size_b0
;
146 flash_info
[1].size
= size_b1
;
148 return (size_b0
+ size_b1
);
152 static void flash_get_offsets(ulong base
, flash_info_t
* info
)
156 /* set up sector start address table */
157 if (((info
->flash_id
& FLASH_VENDMASK
) == FLASH_MAN_SST
) ||
158 (info
->flash_id
== FLASH_AM040
)) {
159 for (i
= 0; i
< info
->sector_count
; i
++)
160 info
->start
[i
] = base
+ (i
* 0x00010000);
162 if (info
->flash_id
& FLASH_BTYPE
) {
163 /* set sector offsets for bottom boot block type */
164 info
->start
[0] = base
+ 0x00000000;
165 info
->start
[1] = base
+ 0x00004000;
166 info
->start
[2] = base
+ 0x00006000;
167 info
->start
[3] = base
+ 0x00008000;
168 for (i
= 4; i
< info
->sector_count
; i
++) {
170 base
+ (i
* 0x00010000) - 0x00030000;
173 /* set sector offsets for top boot block type */
174 i
= info
->sector_count
- 1;
175 info
->start
[i
--] = base
+ info
->size
- 0x00004000;
176 info
->start
[i
--] = base
+ info
->size
- 0x00006000;
177 info
->start
[i
--] = base
+ info
->size
- 0x00008000;
178 for (; i
>= 0; i
--) {
179 info
->start
[i
] = base
+ i
* 0x00010000;