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>
19 flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
23 #define DEBUGF(x...) printf(x)
29 * include common flash code (for amcc 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 unsigned long flash_init(void)
41 unsigned long size_b0, size_b1;
44 unsigned long base_b0, base_b1;
46 /* Init: no FLASHes known */
47 for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
48 flash_info[i].flash_id = FLASH_UNKNOWN;
51 /* Static FLASH Bank configuration here - FIXME XXX */
54 flash_get_size((vu_long *) FLASH_BASE0_PRELIM, &flash_info[0]);
56 if (flash_info[0].flash_id == FLASH_UNKNOWN) {
57 printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
58 size_b0, size_b0 << 20);
62 if (CONFIG_SYS_MAX_FLASH_BANKS == 1) {
64 flash_get_offsets(FLASH_BASE0_PRELIM, &flash_info[0]);
66 /* Monitor protection ON by default */
67 (void)flash_protect(FLAG_PROTECT_SET,
68 CONFIG_SYS_MONITOR_BASE,
69 CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN - 1,
71 #ifdef CONFIG_ENV_IS_IN_FLASH
72 (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR,
73 CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
75 (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND,
76 CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1,
81 flash_info[0].size = size_b0;
87 flash_get_size((vu_long *) FLASH_BASE1_PRELIM,
90 /* Re-do sizing to get full correct info */
93 mtdcr(EBC0_CFGADDR, PB0CR);
94 pbcr = mfdcr(EBC0_CFGDATA);
95 mtdcr(EBC0_CFGADDR, PB0CR);
97 pbcr = (pbcr & 0x0001ffff) | base_b1 |
98 (((size_b1 / 1024 / 1024) - 1) << 17);
99 mtdcr(EBC0_CFGDATA, pbcr);
100 /* printf("PB1CR = %x\n", pbcr); */
104 mtdcr(EBC0_CFGADDR, PB1CR);
105 pbcr = mfdcr(EBC0_CFGDATA);
106 mtdcr(EBC0_CFGADDR, PB1CR);
107 base_b0 = base_b1 - size_b0;
108 pbcr = (pbcr & 0x0001ffff) | base_b0 |
109 (((size_b0 / 1024 / 1024) - 1) << 17);
110 mtdcr(EBC0_CFGDATA, pbcr);
111 /* printf("PB0CR = %x\n", pbcr); */
114 size_b0 = flash_get_size((vu_long *) base_b0, &flash_info[0]);
116 flash_get_offsets(base_b0, &flash_info[0]);
118 /* monitor protection ON by default */
119 (void)flash_protect(FLAG_PROTECT_SET,
120 base_b0 + size_b0 - CONFIG_SYS_MONITOR_LEN,
121 base_b0 + size_b0 - 1, &flash_info[0]);
122 /* Also protect sector containing initial power-up instruction */
123 /* (flash_protect() checks address range - other call ignored) */
124 (void)flash_protect(FLAG_PROTECT_SET,
125 0xFFFFFFFC, 0xFFFFFFFF, &flash_info[0]);
126 (void)flash_protect(FLAG_PROTECT_SET,
127 0xFFFFFFFC, 0xFFFFFFFF, &flash_info[1]);
130 /* Re-do sizing to get full correct info */
132 flash_get_size((vu_long *) base_b1, &flash_info[1]);
134 flash_get_offsets(base_b1, &flash_info[1]);
136 /* monitor protection ON by default */
137 (void)flash_protect(FLAG_PROTECT_SET,
138 base_b1 + size_b1 - CONFIG_SYS_MONITOR_LEN,
139 base_b1 + size_b1 - 1,
141 /* monitor protection OFF by default (one is enough) */
142 (void)flash_protect(FLAG_PROTECT_CLEAR,
143 base_b0 + size_b0 - CONFIG_SYS_MONITOR_LEN,
144 base_b0 + size_b0 - 1,
147 flash_info[1].flash_id = FLASH_UNKNOWN;
148 flash_info[1].sector_count = -1;
151 flash_info[0].size = size_b0;
152 flash_info[1].size = size_b1;
154 return (size_b0 + size_b1);
157 static void flash_get_offsets(ulong base, flash_info_t * info)
161 /* set up sector start address table */
162 if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
163 (info->flash_id == FLASH_AM040)) {
164 for (i = 0; i < info->sector_count; i++)
165 info->start[i] = base + (i * 0x00010000);
167 if (info->flash_id & FLASH_BTYPE) {
168 /* set sector offsets for bottom boot block type */
169 info->start[0] = base + 0x00000000;
170 info->start[1] = base + 0x00004000;
171 info->start[2] = base + 0x00006000;
172 info->start[3] = base + 0x00008000;
173 for (i = 4; i < info->sector_count; i++) {
175 base + (i * 0x00010000) - 0x00030000;
178 /* set sector offsets for top boot block type */
179 i = info->sector_count - 1;
180 info->start[i--] = base + info->size - 0x00004000;
181 info->start[i--] = base + info->size - 0x00006000;
182 info->start[i--] = base + info->size - 0x00008000;
183 for (; i >= 0; i--) {
184 info->start[i] = base + i * 0x00010000;