5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #include <asm/processor.h>
29 * include common flash code (for esd boards)
31 #include "../common/flash.c"
33 /*-----------------------------------------------------------------------
36 static ulong flash_get_size (vu_long * addr, flash_info_t * info);
37 static void flash_get_offsets (ulong base, flash_info_t * info);
39 /*-----------------------------------------------------------------------
42 unsigned long flash_init (void)
44 unsigned long size_b0, size_b1;
47 unsigned long base_b0, base_b1;
50 /* Init: no FLASHes known */
51 for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
52 flash_info[i].flash_id = FLASH_UNKNOWN;
55 /* Static FLASH Bank configuration here - FIXME XXX */
57 base_b0 = FLASH_BASE0_PRELIM;
58 size_b0 = flash_get_size ((vu_long *) base_b0, &flash_info[0]);
60 if (flash_info[0].flash_id == FLASH_UNKNOWN) {
61 printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
62 size_b0, size_b0 << 20);
65 base_b1 = FLASH_BASE1_PRELIM;
66 size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]);
68 /* Re-do sizing to get full correct info */
71 mtdcr (ebccfga, pb0cr);
72 pbcr = mfdcr (ebccfgd);
73 mtdcr (ebccfga, pb0cr);
92 pbcr = (pbcr & 0x0001ffff) | base_b1 | (size_val << 17);
93 mtdcr (ebccfgd, pbcr);
94 /* printf("pb1cr = %x\n", pbcr); */
98 mtdcr (ebccfga, pb1cr);
99 pbcr = mfdcr (ebccfgd);
100 mtdcr (ebccfga, pb1cr);
101 base_b0 = base_b1 - size_b0;
119 pbcr = (pbcr & 0x0001ffff) | base_b0 | (size_val << 17);
120 mtdcr (ebccfgd, pbcr);
121 /* printf("pb0cr = %x\n", pbcr); */
124 size_b0 = flash_get_size ((vu_long *) base_b0, &flash_info[0]);
126 flash_get_offsets (base_b0, &flash_info[0]);
128 /* monitor protection ON by default */
129 flash_protect (FLAG_PROTECT_SET,
130 base_b0 + size_b0 - monitor_flash_len,
131 base_b0 + size_b0 - 1, &flash_info[0]);
134 /* Re-do sizing to get full correct info */
135 size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]);
137 flash_get_offsets (base_b1, &flash_info[1]);
139 /* monitor protection ON by default */
140 flash_protect (FLAG_PROTECT_SET,
141 base_b1 + size_b1 - monitor_flash_len,
142 base_b1 + size_b1 - 1, &flash_info[1]);
143 /* monitor protection OFF by default (one is enough) */
144 flash_protect (FLAG_PROTECT_CLEAR,
145 base_b0 + size_b0 - monitor_flash_len,
146 base_b0 + size_b0 - 1, &flash_info[0]);
148 flash_info[1].flash_id = FLASH_UNKNOWN;
149 flash_info[1].sector_count = -1;
152 flash_info[0].size = size_b0;
153 flash_info[1].size = size_b1;
155 return (size_b0 + size_b1);