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1 | 7e7c5e4c | balrog | /*
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2 | 7e7c5e4c | balrog | * OneNAND flash memories emulation.
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3 | 7e7c5e4c | balrog | *
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4 | 7e7c5e4c | balrog | * Copyright (C) 2008 Nokia Corporation
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5 | 7e7c5e4c | balrog | * Written by Andrzej Zaborowski <andrew@openedhand.com>
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6 | 7e7c5e4c | balrog | *
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7 | 7e7c5e4c | balrog | * This program is free software; you can redistribute it and/or
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8 | 7e7c5e4c | balrog | * modify it under the terms of the GNU General Public License as
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9 | 7e7c5e4c | balrog | * published by the Free Software Foundation; either version 2 or
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10 | 7e7c5e4c | balrog | * (at your option) version 3 of the License.
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11 | 7e7c5e4c | balrog | *
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12 | 7e7c5e4c | balrog | * This program is distributed in the hope that it will be useful,
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13 | 7e7c5e4c | balrog | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | 7e7c5e4c | balrog | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | 7e7c5e4c | balrog | * GNU General Public License for more details.
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16 | 7e7c5e4c | balrog | *
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17 | fad6cb1a | aurel32 | * You should have received a copy of the GNU General Public License along
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18 | 8167ee88 | Blue Swirl | * with this program; if not, see <http://www.gnu.org/licenses/>.
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19 | 7e7c5e4c | balrog | */
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20 | 7e7c5e4c | balrog | |
21 | 7e7c5e4c | balrog | #include "qemu-common.h" |
22 | 34f9f0b5 | Dmitry Eremin-Solenikov | #include "hw.h" |
23 | 7e7c5e4c | balrog | #include "flash.h" |
24 | 7e7c5e4c | balrog | #include "irq.h" |
25 | 666daa68 | Markus Armbruster | #include "blockdev.h" |
26 | 7e7c5e4c | balrog | |
27 | 7e7c5e4c | balrog | /* 11 for 2kB-page OneNAND ("2nd generation") and 10 for 1kB-page chips */
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28 | 7e7c5e4c | balrog | #define PAGE_SHIFT 11 |
29 | 7e7c5e4c | balrog | |
30 | 7e7c5e4c | balrog | /* Fixed */
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31 | 7e7c5e4c | balrog | #define BLOCK_SHIFT (PAGE_SHIFT + 6) |
32 | 7e7c5e4c | balrog | |
33 | bc24a225 | Paul Brook | typedef struct { |
34 | 5923ba42 | Juha Riihimäki | struct {
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35 | 5923ba42 | Juha Riihimäki | uint16_t man; |
36 | 5923ba42 | Juha Riihimäki | uint16_t dev; |
37 | 5923ba42 | Juha Riihimäki | uint16_t ver; |
38 | 5923ba42 | Juha Riihimäki | } id; |
39 | 7e7c5e4c | balrog | int shift;
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40 | c227f099 | Anthony Liguori | target_phys_addr_t base; |
41 | 7e7c5e4c | balrog | qemu_irq intr; |
42 | 7e7c5e4c | balrog | qemu_irq rdy; |
43 | 7e7c5e4c | balrog | BlockDriverState *bdrv; |
44 | 7e7c5e4c | balrog | BlockDriverState *bdrv_cur; |
45 | 7e7c5e4c | balrog | uint8_t *image; |
46 | 7e7c5e4c | balrog | uint8_t *otp; |
47 | 7e7c5e4c | balrog | uint8_t *current; |
48 | c227f099 | Anthony Liguori | ram_addr_t ram; |
49 | 7e7c5e4c | balrog | uint8_t *boot[2];
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50 | 7e7c5e4c | balrog | uint8_t *data[2][2]; |
51 | 7e7c5e4c | balrog | int iomemtype;
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52 | 7e7c5e4c | balrog | int cycle;
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53 | 7e7c5e4c | balrog | int otpmode;
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54 | 7e7c5e4c | balrog | |
55 | 7e7c5e4c | balrog | uint16_t addr[8];
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56 | 7e7c5e4c | balrog | uint16_t unladdr[8];
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57 | 7e7c5e4c | balrog | int bufaddr;
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58 | 7e7c5e4c | balrog | int count;
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59 | 7e7c5e4c | balrog | uint16_t command; |
60 | 7e7c5e4c | balrog | uint16_t config[2];
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61 | 7e7c5e4c | balrog | uint16_t status; |
62 | 7e7c5e4c | balrog | uint16_t intstatus; |
63 | 7e7c5e4c | balrog | uint16_t wpstatus; |
64 | 7e7c5e4c | balrog | |
65 | bc24a225 | Paul Brook | ECCState ecc; |
66 | 7e7c5e4c | balrog | |
67 | 7e7c5e4c | balrog | int density_mask;
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68 | 7e7c5e4c | balrog | int secs;
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69 | 7e7c5e4c | balrog | int secs_cur;
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70 | 7e7c5e4c | balrog | int blocks;
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71 | 7e7c5e4c | balrog | uint8_t *blockwp; |
72 | bc24a225 | Paul Brook | } OneNANDState; |
73 | 7e7c5e4c | balrog | |
74 | 7e7c5e4c | balrog | enum {
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75 | 7e7c5e4c | balrog | ONEN_BUF_BLOCK = 0,
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76 | 7e7c5e4c | balrog | ONEN_BUF_BLOCK2 = 1,
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77 | 7e7c5e4c | balrog | ONEN_BUF_DEST_BLOCK = 2,
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78 | 7e7c5e4c | balrog | ONEN_BUF_DEST_PAGE = 3,
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79 | 7e7c5e4c | balrog | ONEN_BUF_PAGE = 7,
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80 | 7e7c5e4c | balrog | }; |
81 | 7e7c5e4c | balrog | |
82 | 7e7c5e4c | balrog | enum {
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83 | 7e7c5e4c | balrog | ONEN_ERR_CMD = 1 << 10, |
84 | 7e7c5e4c | balrog | ONEN_ERR_ERASE = 1 << 11, |
85 | 7e7c5e4c | balrog | ONEN_ERR_PROG = 1 << 12, |
86 | 7e7c5e4c | balrog | ONEN_ERR_LOAD = 1 << 13, |
87 | 7e7c5e4c | balrog | }; |
88 | 7e7c5e4c | balrog | |
89 | 7e7c5e4c | balrog | enum {
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90 | 7e7c5e4c | balrog | ONEN_INT_RESET = 1 << 4, |
91 | 7e7c5e4c | balrog | ONEN_INT_ERASE = 1 << 5, |
92 | 7e7c5e4c | balrog | ONEN_INT_PROG = 1 << 6, |
93 | 7e7c5e4c | balrog | ONEN_INT_LOAD = 1 << 7, |
94 | 7e7c5e4c | balrog | ONEN_INT = 1 << 15, |
95 | 7e7c5e4c | balrog | }; |
96 | 7e7c5e4c | balrog | |
97 | 7e7c5e4c | balrog | enum {
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98 | 7e7c5e4c | balrog | ONEN_LOCK_LOCKTIGHTEN = 1 << 0, |
99 | 7e7c5e4c | balrog | ONEN_LOCK_LOCKED = 1 << 1, |
100 | 7e7c5e4c | balrog | ONEN_LOCK_UNLOCKED = 1 << 2, |
101 | 7e7c5e4c | balrog | }; |
102 | 7e7c5e4c | balrog | |
103 | c227f099 | Anthony Liguori | void onenand_base_update(void *opaque, target_phys_addr_t new) |
104 | 7e7c5e4c | balrog | { |
105 | bc24a225 | Paul Brook | OneNANDState *s = (OneNANDState *) opaque; |
106 | 7e7c5e4c | balrog | |
107 | 7e7c5e4c | balrog | s->base = new; |
108 | 7e7c5e4c | balrog | |
109 | 7e7c5e4c | balrog | /* XXX: We should use IO_MEM_ROMD but we broke it earlier...
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110 | 7e7c5e4c | balrog | * Both 0x0000 ... 0x01ff and 0x8000 ... 0x800f can be used to
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111 | 7e7c5e4c | balrog | * write boot commands. Also take note of the BWPS bit. */
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112 | 7e7c5e4c | balrog | cpu_register_physical_memory(s->base + (0x0000 << s->shift),
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113 | 7e7c5e4c | balrog | 0x0200 << s->shift, s->iomemtype);
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114 | 7e7c5e4c | balrog | cpu_register_physical_memory(s->base + (0x0200 << s->shift),
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115 | 7e7c5e4c | balrog | 0xbe00 << s->shift,
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116 | 7e7c5e4c | balrog | (s->ram +(0x0200 << s->shift)) | IO_MEM_RAM);
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117 | 7e7c5e4c | balrog | if (s->iomemtype)
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118 | 8da3ff18 | pbrook | cpu_register_physical_memory_offset(s->base + (0xc000 << s->shift),
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119 | 8da3ff18 | pbrook | 0x4000 << s->shift, s->iomemtype, (0xc000 << s->shift)); |
120 | 7e7c5e4c | balrog | } |
121 | 7e7c5e4c | balrog | |
122 | 7e7c5e4c | balrog | void onenand_base_unmap(void *opaque) |
123 | 7e7c5e4c | balrog | { |
124 | bc24a225 | Paul Brook | OneNANDState *s = (OneNANDState *) opaque; |
125 | 7e7c5e4c | balrog | |
126 | 7e7c5e4c | balrog | cpu_register_physical_memory(s->base, |
127 | 7e7c5e4c | balrog | 0x10000 << s->shift, IO_MEM_UNASSIGNED);
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128 | 7e7c5e4c | balrog | } |
129 | 7e7c5e4c | balrog | |
130 | bc24a225 | Paul Brook | static void onenand_intr_update(OneNANDState *s) |
131 | 7e7c5e4c | balrog | { |
132 | 7e7c5e4c | balrog | qemu_set_irq(s->intr, ((s->intstatus >> 15) ^ (~s->config[0] >> 6)) & 1); |
133 | 7e7c5e4c | balrog | } |
134 | 7e7c5e4c | balrog | |
135 | 7e7c5e4c | balrog | /* Hot reset (Reset OneNAND command) or warm reset (RP pin low) */
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136 | bc24a225 | Paul Brook | static void onenand_reset(OneNANDState *s, int cold) |
137 | 7e7c5e4c | balrog | { |
138 | 7e7c5e4c | balrog | memset(&s->addr, 0, sizeof(s->addr)); |
139 | 7e7c5e4c | balrog | s->command = 0;
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140 | 7e7c5e4c | balrog | s->count = 1;
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141 | 7e7c5e4c | balrog | s->bufaddr = 0;
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142 | 7e7c5e4c | balrog | s->config[0] = 0x40c0; |
143 | 7e7c5e4c | balrog | s->config[1] = 0x0000; |
144 | 7e7c5e4c | balrog | onenand_intr_update(s); |
145 | 7e7c5e4c | balrog | qemu_irq_raise(s->rdy); |
146 | 7e7c5e4c | balrog | s->status = 0x0000;
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147 | 7e7c5e4c | balrog | s->intstatus = cold ? 0x8080 : 0x8010; |
148 | 7e7c5e4c | balrog | s->unladdr[0] = 0; |
149 | 7e7c5e4c | balrog | s->unladdr[1] = 0; |
150 | 7e7c5e4c | balrog | s->wpstatus = 0x0002;
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151 | 7e7c5e4c | balrog | s->cycle = 0;
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152 | 7e7c5e4c | balrog | s->otpmode = 0;
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153 | 7e7c5e4c | balrog | s->bdrv_cur = s->bdrv; |
154 | 7e7c5e4c | balrog | s->current = s->image; |
155 | 7e7c5e4c | balrog | s->secs_cur = s->secs; |
156 | 7e7c5e4c | balrog | |
157 | 7e7c5e4c | balrog | if (cold) {
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158 | 7e7c5e4c | balrog | /* Lock the whole flash */
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159 | 7e7c5e4c | balrog | memset(s->blockwp, ONEN_LOCK_LOCKED, s->blocks); |
160 | 7e7c5e4c | balrog | |
161 | 7e7c5e4c | balrog | if (s->bdrv && bdrv_read(s->bdrv, 0, s->boot[0], 8) < 0) |
162 | 2ac71179 | Paul Brook | hw_error("%s: Loading the BootRAM failed.\n", __FUNCTION__);
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163 | 7e7c5e4c | balrog | } |
164 | 7e7c5e4c | balrog | } |
165 | 7e7c5e4c | balrog | |
166 | bc24a225 | Paul Brook | static inline int onenand_load_main(OneNANDState *s, int sec, int secn, |
167 | 7e7c5e4c | balrog | void *dest)
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168 | 7e7c5e4c | balrog | { |
169 | 7e7c5e4c | balrog | if (s->bdrv_cur)
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170 | 7e7c5e4c | balrog | return bdrv_read(s->bdrv_cur, sec, dest, secn) < 0; |
171 | 7e7c5e4c | balrog | else if (sec + secn > s->secs_cur) |
172 | 7e7c5e4c | balrog | return 1; |
173 | 7e7c5e4c | balrog | |
174 | 7e7c5e4c | balrog | memcpy(dest, s->current + (sec << 9), secn << 9); |
175 | 7e7c5e4c | balrog | |
176 | 7e7c5e4c | balrog | return 0; |
177 | 7e7c5e4c | balrog | } |
178 | 7e7c5e4c | balrog | |
179 | bc24a225 | Paul Brook | static inline int onenand_prog_main(OneNANDState *s, int sec, int secn, |
180 | 7e7c5e4c | balrog | void *src)
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181 | 7e7c5e4c | balrog | { |
182 | f1588dd2 | Juha Riihimäki | int result = 0; |
183 | f1588dd2 | Juha Riihimäki | |
184 | f1588dd2 | Juha Riihimäki | if (secn > 0) { |
185 | f1588dd2 | Juha Riihimäki | uint32_t size = (uint32_t) secn * 512;
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186 | f1588dd2 | Juha Riihimäki | const uint8_t *sp = (const uint8_t *) src; |
187 | f1588dd2 | Juha Riihimäki | uint8_t *dp = 0;
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188 | f1588dd2 | Juha Riihimäki | if (s->bdrv_cur) {
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189 | 7267c094 | Anthony Liguori | dp = g_malloc(size); |
190 | f1588dd2 | Juha Riihimäki | if (!dp || bdrv_read(s->bdrv_cur, sec, dp, secn) < 0) { |
191 | f1588dd2 | Juha Riihimäki | result = 1;
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192 | f1588dd2 | Juha Riihimäki | } |
193 | f1588dd2 | Juha Riihimäki | } else {
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194 | f1588dd2 | Juha Riihimäki | if (sec + secn > s->secs_cur) {
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195 | f1588dd2 | Juha Riihimäki | result = 1;
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196 | f1588dd2 | Juha Riihimäki | } else {
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197 | f1588dd2 | Juha Riihimäki | dp = (uint8_t *) s->current + (sec << 9);
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198 | f1588dd2 | Juha Riihimäki | } |
199 | f1588dd2 | Juha Riihimäki | } |
200 | f1588dd2 | Juha Riihimäki | if (!result) {
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201 | f1588dd2 | Juha Riihimäki | uint32_t i; |
202 | f1588dd2 | Juha Riihimäki | for (i = 0; i < size; i++) { |
203 | f1588dd2 | Juha Riihimäki | dp[i] &= sp[i]; |
204 | f1588dd2 | Juha Riihimäki | } |
205 | f1588dd2 | Juha Riihimäki | if (s->bdrv_cur) {
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206 | f1588dd2 | Juha Riihimäki | result = bdrv_write(s->bdrv_cur, sec, dp, secn) < 0;
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207 | f1588dd2 | Juha Riihimäki | } |
208 | f1588dd2 | Juha Riihimäki | } |
209 | f1588dd2 | Juha Riihimäki | if (dp && s->bdrv_cur) {
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210 | 7267c094 | Anthony Liguori | g_free(dp); |
211 | f1588dd2 | Juha Riihimäki | } |
212 | f1588dd2 | Juha Riihimäki | } |
213 | 7e7c5e4c | balrog | |
214 | f1588dd2 | Juha Riihimäki | return result;
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215 | 7e7c5e4c | balrog | } |
216 | 7e7c5e4c | balrog | |
217 | bc24a225 | Paul Brook | static inline int onenand_load_spare(OneNANDState *s, int sec, int secn, |
218 | 7e7c5e4c | balrog | void *dest)
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219 | 7e7c5e4c | balrog | { |
220 | 7e7c5e4c | balrog | uint8_t buf[512];
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221 | 7e7c5e4c | balrog | |
222 | 7e7c5e4c | balrog | if (s->bdrv_cur) {
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223 | 7e7c5e4c | balrog | if (bdrv_read(s->bdrv_cur, s->secs_cur + (sec >> 5), buf, 1) < 0) |
224 | 7e7c5e4c | balrog | return 1; |
225 | 7e7c5e4c | balrog | memcpy(dest, buf + ((sec & 31) << 4), secn << 4); |
226 | 7e7c5e4c | balrog | } else if (sec + secn > s->secs_cur) |
227 | 7e7c5e4c | balrog | return 1; |
228 | 7e7c5e4c | balrog | else
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229 | 7e7c5e4c | balrog | memcpy(dest, s->current + (s->secs_cur << 9) + (sec << 4), secn << 4); |
230 | 7e7c5e4c | balrog | |
231 | 7e7c5e4c | balrog | return 0; |
232 | 7e7c5e4c | balrog | } |
233 | 7e7c5e4c | balrog | |
234 | bc24a225 | Paul Brook | static inline int onenand_prog_spare(OneNANDState *s, int sec, int secn, |
235 | 7e7c5e4c | balrog | void *src)
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236 | 7e7c5e4c | balrog | { |
237 | f1588dd2 | Juha Riihimäki | int result = 0; |
238 | f1588dd2 | Juha Riihimäki | if (secn > 0) { |
239 | f1588dd2 | Juha Riihimäki | const uint8_t *sp = (const uint8_t *) src; |
240 | f1588dd2 | Juha Riihimäki | uint8_t *dp = 0, *dpp = 0; |
241 | f1588dd2 | Juha Riihimäki | if (s->bdrv_cur) {
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242 | 7267c094 | Anthony Liguori | dp = g_malloc(512);
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243 | f1588dd2 | Juha Riihimäki | if (!dp || bdrv_read(s->bdrv_cur,
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244 | f1588dd2 | Juha Riihimäki | s->secs_cur + (sec >> 5),
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245 | f1588dd2 | Juha Riihimäki | dp, 1) < 0) { |
246 | f1588dd2 | Juha Riihimäki | result = 1;
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247 | f1588dd2 | Juha Riihimäki | } else {
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248 | f1588dd2 | Juha Riihimäki | dpp = dp + ((sec & 31) << 4); |
249 | f1588dd2 | Juha Riihimäki | } |
250 | f1588dd2 | Juha Riihimäki | } else {
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251 | f1588dd2 | Juha Riihimäki | if (sec + secn > s->secs_cur) {
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252 | f1588dd2 | Juha Riihimäki | result = 1;
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253 | f1588dd2 | Juha Riihimäki | } else {
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254 | f1588dd2 | Juha Riihimäki | dpp = s->current + (s->secs_cur << 9) + (sec << 4); |
255 | f1588dd2 | Juha Riihimäki | } |
256 | f1588dd2 | Juha Riihimäki | } |
257 | f1588dd2 | Juha Riihimäki | if (!result) {
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258 | f1588dd2 | Juha Riihimäki | uint32_t i; |
259 | f1588dd2 | Juha Riihimäki | for (i = 0; i < (secn << 4); i++) { |
260 | f1588dd2 | Juha Riihimäki | dpp[i] &= sp[i]; |
261 | f1588dd2 | Juha Riihimäki | } |
262 | f1588dd2 | Juha Riihimäki | if (s->bdrv_cur) {
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263 | f1588dd2 | Juha Riihimäki | result = bdrv_write(s->bdrv_cur, s->secs_cur + (sec >> 5),
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264 | f1588dd2 | Juha Riihimäki | dp, 1) < 0; |
265 | f1588dd2 | Juha Riihimäki | } |
266 | f1588dd2 | Juha Riihimäki | } |
267 | f1588dd2 | Juha Riihimäki | if (dp) {
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268 | 7267c094 | Anthony Liguori | g_free(dp); |
269 | f1588dd2 | Juha Riihimäki | } |
270 | f1588dd2 | Juha Riihimäki | } |
271 | f1588dd2 | Juha Riihimäki | return result;
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272 | 7e7c5e4c | balrog | } |
273 | 7e7c5e4c | balrog | |
274 | bc24a225 | Paul Brook | static inline int onenand_erase(OneNANDState *s, int sec, int num) |
275 | 7e7c5e4c | balrog | { |
276 | f1588dd2 | Juha Riihimäki | uint8_t *blankbuf, *tmpbuf; |
277 | 7267c094 | Anthony Liguori | blankbuf = g_malloc(512);
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278 | f1588dd2 | Juha Riihimäki | if (!blankbuf) {
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279 | f1588dd2 | Juha Riihimäki | return 1; |
280 | f1588dd2 | Juha Riihimäki | } |
281 | 7267c094 | Anthony Liguori | tmpbuf = g_malloc(512);
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282 | f1588dd2 | Juha Riihimäki | if (!tmpbuf) {
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283 | 7267c094 | Anthony Liguori | g_free(blankbuf); |
284 | f1588dd2 | Juha Riihimäki | return 1; |
285 | f1588dd2 | Juha Riihimäki | } |
286 | f1588dd2 | Juha Riihimäki | memset(blankbuf, 0xff, 512); |
287 | f1588dd2 | Juha Riihimäki | for (; num > 0; num--, sec++) { |
288 | f1588dd2 | Juha Riihimäki | if (s->bdrv_cur) {
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289 | f1588dd2 | Juha Riihimäki | int erasesec = s->secs_cur + (sec >> 5); |
290 | f1588dd2 | Juha Riihimäki | if (bdrv_write(s->bdrv_cur, sec, blankbuf, 1)) { |
291 | f1588dd2 | Juha Riihimäki | goto fail;
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292 | f1588dd2 | Juha Riihimäki | } |
293 | f1588dd2 | Juha Riihimäki | if (bdrv_read(s->bdrv_cur, erasesec, tmpbuf, 1) < 0) { |
294 | f1588dd2 | Juha Riihimäki | goto fail;
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295 | f1588dd2 | Juha Riihimäki | } |
296 | f1588dd2 | Juha Riihimäki | memcpy(tmpbuf + ((sec & 31) << 4), blankbuf, 1 << 4); |
297 | f1588dd2 | Juha Riihimäki | if (bdrv_write(s->bdrv_cur, erasesec, tmpbuf, 1) < 0) { |
298 | f1588dd2 | Juha Riihimäki | goto fail;
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299 | f1588dd2 | Juha Riihimäki | } |
300 | f1588dd2 | Juha Riihimäki | } else {
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301 | f1588dd2 | Juha Riihimäki | if (sec + 1 > s->secs_cur) { |
302 | f1588dd2 | Juha Riihimäki | goto fail;
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303 | f1588dd2 | Juha Riihimäki | } |
304 | f1588dd2 | Juha Riihimäki | memcpy(s->current + (sec << 9), blankbuf, 512); |
305 | f1588dd2 | Juha Riihimäki | memcpy(s->current + (s->secs_cur << 9) + (sec << 4), |
306 | f1588dd2 | Juha Riihimäki | blankbuf, 1 << 4); |
307 | f1588dd2 | Juha Riihimäki | } |
308 | 7e7c5e4c | balrog | } |
309 | 7e7c5e4c | balrog | |
310 | 7267c094 | Anthony Liguori | g_free(tmpbuf); |
311 | 7267c094 | Anthony Liguori | g_free(blankbuf); |
312 | 7e7c5e4c | balrog | return 0; |
313 | f1588dd2 | Juha Riihimäki | |
314 | f1588dd2 | Juha Riihimäki | fail:
|
315 | 7267c094 | Anthony Liguori | g_free(tmpbuf); |
316 | 7267c094 | Anthony Liguori | g_free(blankbuf); |
317 | f1588dd2 | Juha Riihimäki | return 1; |
318 | 7e7c5e4c | balrog | } |
319 | 7e7c5e4c | balrog | |
320 | bc24a225 | Paul Brook | static void onenand_command(OneNANDState *s, int cmd) |
321 | 7e7c5e4c | balrog | { |
322 | 7e7c5e4c | balrog | int b;
|
323 | 7e7c5e4c | balrog | int sec;
|
324 | 7e7c5e4c | balrog | void *buf;
|
325 | 7e7c5e4c | balrog | #define SETADDR(block, page) \
|
326 | 7e7c5e4c | balrog | sec = (s->addr[page] & 3) + \
|
327 | 7e7c5e4c | balrog | ((((s->addr[page] >> 2) & 0x3f) + \ |
328 | 7e7c5e4c | balrog | (((s->addr[block] & 0xfff) | \
|
329 | 7e7c5e4c | balrog | (s->addr[block] >> 15 ? \
|
330 | 7e7c5e4c | balrog | s->density_mask : 0)) << 6)) << (PAGE_SHIFT - 9)); |
331 | 7e7c5e4c | balrog | #define SETBUF_M() \
|
332 | 7e7c5e4c | balrog | buf = (s->bufaddr & 8) ? \
|
333 | 7e7c5e4c | balrog | s->data[(s->bufaddr >> 2) & 1][0] : s->boot[0]; \ |
334 | 7e7c5e4c | balrog | buf += (s->bufaddr & 3) << 9; |
335 | 7e7c5e4c | balrog | #define SETBUF_S() \
|
336 | 7e7c5e4c | balrog | buf = (s->bufaddr & 8) ? \
|
337 | 7e7c5e4c | balrog | s->data[(s->bufaddr >> 2) & 1][1] : s->boot[1]; \ |
338 | 7e7c5e4c | balrog | buf += (s->bufaddr & 3) << 4; |
339 | 7e7c5e4c | balrog | |
340 | 7e7c5e4c | balrog | switch (cmd) {
|
341 | 7e7c5e4c | balrog | case 0x00: /* Load single/multiple sector data unit into buffer */ |
342 | 7e7c5e4c | balrog | SETADDR(ONEN_BUF_BLOCK, ONEN_BUF_PAGE) |
343 | 7e7c5e4c | balrog | |
344 | 7e7c5e4c | balrog | SETBUF_M() |
345 | 7e7c5e4c | balrog | if (onenand_load_main(s, sec, s->count, buf))
|
346 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD | ONEN_ERR_LOAD; |
347 | 7e7c5e4c | balrog | |
348 | 7e7c5e4c | balrog | #if 0
|
349 | 7e7c5e4c | balrog | SETBUF_S()
|
350 | 7e7c5e4c | balrog | if (onenand_load_spare(s, sec, s->count, buf))
|
351 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD | ONEN_ERR_LOAD;
|
352 | 7e7c5e4c | balrog | #endif
|
353 | 7e7c5e4c | balrog | |
354 | 7e7c5e4c | balrog | /* TODO: if (s->bufaddr & 3) + s->count was > 4 (2k-pages)
|
355 | 7e7c5e4c | balrog | * or if (s->bufaddr & 1) + s->count was > 2 (1k-pages)
|
356 | 7e7c5e4c | balrog | * then we need two split the read/write into two chunks.
|
357 | 7e7c5e4c | balrog | */
|
358 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT | ONEN_INT_LOAD; |
359 | 7e7c5e4c | balrog | break;
|
360 | 7e7c5e4c | balrog | case 0x13: /* Load single/multiple spare sector into buffer */ |
361 | 7e7c5e4c | balrog | SETADDR(ONEN_BUF_BLOCK, ONEN_BUF_PAGE) |
362 | 7e7c5e4c | balrog | |
363 | 7e7c5e4c | balrog | SETBUF_S() |
364 | 7e7c5e4c | balrog | if (onenand_load_spare(s, sec, s->count, buf))
|
365 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD | ONEN_ERR_LOAD; |
366 | 7e7c5e4c | balrog | |
367 | 7e7c5e4c | balrog | /* TODO: if (s->bufaddr & 3) + s->count was > 4 (2k-pages)
|
368 | 7e7c5e4c | balrog | * or if (s->bufaddr & 1) + s->count was > 2 (1k-pages)
|
369 | 7e7c5e4c | balrog | * then we need two split the read/write into two chunks.
|
370 | 7e7c5e4c | balrog | */
|
371 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT | ONEN_INT_LOAD; |
372 | 7e7c5e4c | balrog | break;
|
373 | 7e7c5e4c | balrog | case 0x80: /* Program single/multiple sector data unit from buffer */ |
374 | 7e7c5e4c | balrog | SETADDR(ONEN_BUF_BLOCK, ONEN_BUF_PAGE) |
375 | 7e7c5e4c | balrog | |
376 | 7e7c5e4c | balrog | SETBUF_M() |
377 | 7e7c5e4c | balrog | if (onenand_prog_main(s, sec, s->count, buf))
|
378 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD | ONEN_ERR_PROG; |
379 | 7e7c5e4c | balrog | |
380 | 7e7c5e4c | balrog | #if 0
|
381 | 7e7c5e4c | balrog | SETBUF_S()
|
382 | 7e7c5e4c | balrog | if (onenand_prog_spare(s, sec, s->count, buf))
|
383 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD | ONEN_ERR_PROG;
|
384 | 7e7c5e4c | balrog | #endif
|
385 | 7e7c5e4c | balrog | |
386 | 7e7c5e4c | balrog | /* TODO: if (s->bufaddr & 3) + s->count was > 4 (2k-pages)
|
387 | 7e7c5e4c | balrog | * or if (s->bufaddr & 1) + s->count was > 2 (1k-pages)
|
388 | 7e7c5e4c | balrog | * then we need two split the read/write into two chunks.
|
389 | 7e7c5e4c | balrog | */
|
390 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT | ONEN_INT_PROG; |
391 | 7e7c5e4c | balrog | break;
|
392 | 7e7c5e4c | balrog | case 0x1a: /* Program single/multiple spare area sector from buffer */ |
393 | 7e7c5e4c | balrog | SETADDR(ONEN_BUF_BLOCK, ONEN_BUF_PAGE) |
394 | 7e7c5e4c | balrog | |
395 | 7e7c5e4c | balrog | SETBUF_S() |
396 | 7e7c5e4c | balrog | if (onenand_prog_spare(s, sec, s->count, buf))
|
397 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD | ONEN_ERR_PROG; |
398 | 7e7c5e4c | balrog | |
399 | 7e7c5e4c | balrog | /* TODO: if (s->bufaddr & 3) + s->count was > 4 (2k-pages)
|
400 | 7e7c5e4c | balrog | * or if (s->bufaddr & 1) + s->count was > 2 (1k-pages)
|
401 | 7e7c5e4c | balrog | * then we need two split the read/write into two chunks.
|
402 | 7e7c5e4c | balrog | */
|
403 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT | ONEN_INT_PROG; |
404 | 7e7c5e4c | balrog | break;
|
405 | 7e7c5e4c | balrog | case 0x1b: /* Copy-back program */ |
406 | 7e7c5e4c | balrog | SETBUF_S() |
407 | 7e7c5e4c | balrog | |
408 | 7e7c5e4c | balrog | SETADDR(ONEN_BUF_BLOCK, ONEN_BUF_PAGE) |
409 | 7e7c5e4c | balrog | if (onenand_load_main(s, sec, s->count, buf))
|
410 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD | ONEN_ERR_PROG; |
411 | 7e7c5e4c | balrog | |
412 | 7e7c5e4c | balrog | SETADDR(ONEN_BUF_DEST_BLOCK, ONEN_BUF_DEST_PAGE) |
413 | 7e7c5e4c | balrog | if (onenand_prog_main(s, sec, s->count, buf))
|
414 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD | ONEN_ERR_PROG; |
415 | 7e7c5e4c | balrog | |
416 | 7e7c5e4c | balrog | /* TODO: spare areas */
|
417 | 7e7c5e4c | balrog | |
418 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT | ONEN_INT_PROG; |
419 | 7e7c5e4c | balrog | break;
|
420 | 7e7c5e4c | balrog | |
421 | 7e7c5e4c | balrog | case 0x23: /* Unlock NAND array block(s) */ |
422 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT; |
423 | 7e7c5e4c | balrog | |
424 | 7e7c5e4c | balrog | /* XXX the previous (?) area should be locked automatically */
|
425 | 7e7c5e4c | balrog | for (b = s->unladdr[0]; b <= s->unladdr[1]; b ++) { |
426 | 7e7c5e4c | balrog | if (b >= s->blocks) {
|
427 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD; |
428 | 7e7c5e4c | balrog | break;
|
429 | 7e7c5e4c | balrog | } |
430 | 7e7c5e4c | balrog | if (s->blockwp[b] == ONEN_LOCK_LOCKTIGHTEN)
|
431 | 7e7c5e4c | balrog | break;
|
432 | 7e7c5e4c | balrog | |
433 | 7e7c5e4c | balrog | s->wpstatus = s->blockwp[b] = ONEN_LOCK_UNLOCKED; |
434 | 7e7c5e4c | balrog | } |
435 | 7e7c5e4c | balrog | break;
|
436 | 89588a4b | balrog | case 0x27: /* Unlock All NAND array blocks */ |
437 | 89588a4b | balrog | s->intstatus |= ONEN_INT; |
438 | 89588a4b | balrog | |
439 | 89588a4b | balrog | for (b = 0; b < s->blocks; b ++) { |
440 | 89588a4b | balrog | if (b >= s->blocks) {
|
441 | 89588a4b | balrog | s->status |= ONEN_ERR_CMD; |
442 | 89588a4b | balrog | break;
|
443 | 89588a4b | balrog | } |
444 | 89588a4b | balrog | if (s->blockwp[b] == ONEN_LOCK_LOCKTIGHTEN)
|
445 | 89588a4b | balrog | break;
|
446 | 89588a4b | balrog | |
447 | 89588a4b | balrog | s->wpstatus = s->blockwp[b] = ONEN_LOCK_UNLOCKED; |
448 | 89588a4b | balrog | } |
449 | 89588a4b | balrog | break;
|
450 | 89588a4b | balrog | |
451 | 7e7c5e4c | balrog | case 0x2a: /* Lock NAND array block(s) */ |
452 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT; |
453 | 7e7c5e4c | balrog | |
454 | 7e7c5e4c | balrog | for (b = s->unladdr[0]; b <= s->unladdr[1]; b ++) { |
455 | 7e7c5e4c | balrog | if (b >= s->blocks) {
|
456 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD; |
457 | 7e7c5e4c | balrog | break;
|
458 | 7e7c5e4c | balrog | } |
459 | 7e7c5e4c | balrog | if (s->blockwp[b] == ONEN_LOCK_LOCKTIGHTEN)
|
460 | 7e7c5e4c | balrog | break;
|
461 | 7e7c5e4c | balrog | |
462 | 7e7c5e4c | balrog | s->wpstatus = s->blockwp[b] = ONEN_LOCK_LOCKED; |
463 | 7e7c5e4c | balrog | } |
464 | 7e7c5e4c | balrog | break;
|
465 | 7e7c5e4c | balrog | case 0x2c: /* Lock-tight NAND array block(s) */ |
466 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT; |
467 | 7e7c5e4c | balrog | |
468 | 7e7c5e4c | balrog | for (b = s->unladdr[0]; b <= s->unladdr[1]; b ++) { |
469 | 7e7c5e4c | balrog | if (b >= s->blocks) {
|
470 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD; |
471 | 7e7c5e4c | balrog | break;
|
472 | 7e7c5e4c | balrog | } |
473 | 7e7c5e4c | balrog | if (s->blockwp[b] == ONEN_LOCK_UNLOCKED)
|
474 | 7e7c5e4c | balrog | continue;
|
475 | 7e7c5e4c | balrog | |
476 | 7e7c5e4c | balrog | s->wpstatus = s->blockwp[b] = ONEN_LOCK_LOCKTIGHTEN; |
477 | 7e7c5e4c | balrog | } |
478 | 7e7c5e4c | balrog | break;
|
479 | 7e7c5e4c | balrog | |
480 | 7e7c5e4c | balrog | case 0x71: /* Erase-Verify-Read */ |
481 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT; |
482 | 7e7c5e4c | balrog | break;
|
483 | 7e7c5e4c | balrog | case 0x95: /* Multi-block erase */ |
484 | 7e7c5e4c | balrog | qemu_irq_pulse(s->intr); |
485 | 7e7c5e4c | balrog | /* Fall through. */
|
486 | 7e7c5e4c | balrog | case 0x94: /* Block erase */ |
487 | 7e7c5e4c | balrog | sec = ((s->addr[ONEN_BUF_BLOCK] & 0xfff) |
|
488 | 7e7c5e4c | balrog | (s->addr[ONEN_BUF_BLOCK] >> 15 ? s->density_mask : 0)) |
489 | 7e7c5e4c | balrog | << (BLOCK_SHIFT - 9);
|
490 | 7e7c5e4c | balrog | if (onenand_erase(s, sec, 1 << (BLOCK_SHIFT - 9))) |
491 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD | ONEN_ERR_ERASE; |
492 | 7e7c5e4c | balrog | |
493 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT | ONEN_INT_ERASE; |
494 | 7e7c5e4c | balrog | break;
|
495 | 7e7c5e4c | balrog | case 0xb0: /* Erase suspend */ |
496 | 7e7c5e4c | balrog | break;
|
497 | 7e7c5e4c | balrog | case 0x30: /* Erase resume */ |
498 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT | ONEN_INT_ERASE; |
499 | 7e7c5e4c | balrog | break;
|
500 | 7e7c5e4c | balrog | |
501 | 7e7c5e4c | balrog | case 0xf0: /* Reset NAND Flash core */ |
502 | 7e7c5e4c | balrog | onenand_reset(s, 0);
|
503 | 7e7c5e4c | balrog | break;
|
504 | 7e7c5e4c | balrog | case 0xf3: /* Reset OneNAND */ |
505 | 7e7c5e4c | balrog | onenand_reset(s, 0);
|
506 | 7e7c5e4c | balrog | break;
|
507 | 7e7c5e4c | balrog | |
508 | 7e7c5e4c | balrog | case 0x65: /* OTP Access */ |
509 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT; |
510 | b9d38e95 | Blue Swirl | s->bdrv_cur = NULL;
|
511 | 7e7c5e4c | balrog | s->current = s->otp; |
512 | 7e7c5e4c | balrog | s->secs_cur = 1 << (BLOCK_SHIFT - 9); |
513 | 7e7c5e4c | balrog | s->addr[ONEN_BUF_BLOCK] = 0;
|
514 | 7e7c5e4c | balrog | s->otpmode = 1;
|
515 | 7e7c5e4c | balrog | break;
|
516 | 7e7c5e4c | balrog | |
517 | 7e7c5e4c | balrog | default:
|
518 | 7e7c5e4c | balrog | s->status |= ONEN_ERR_CMD; |
519 | 7e7c5e4c | balrog | s->intstatus |= ONEN_INT; |
520 | 7e7c5e4c | balrog | fprintf(stderr, "%s: unknown OneNAND command %x\n",
|
521 | 7e7c5e4c | balrog | __FUNCTION__, cmd); |
522 | 7e7c5e4c | balrog | } |
523 | 7e7c5e4c | balrog | |
524 | 7e7c5e4c | balrog | onenand_intr_update(s); |
525 | 7e7c5e4c | balrog | } |
526 | 7e7c5e4c | balrog | |
527 | c227f099 | Anthony Liguori | static uint32_t onenand_read(void *opaque, target_phys_addr_t addr) |
528 | 7e7c5e4c | balrog | { |
529 | bc24a225 | Paul Brook | OneNANDState *s = (OneNANDState *) opaque; |
530 | 8da3ff18 | pbrook | int offset = addr >> s->shift;
|
531 | 7e7c5e4c | balrog | |
532 | 7e7c5e4c | balrog | switch (offset) {
|
533 | 7e7c5e4c | balrog | case 0x0000 ... 0xc000: |
534 | 8da3ff18 | pbrook | return lduw_le_p(s->boot[0] + addr); |
535 | 7e7c5e4c | balrog | |
536 | 7e7c5e4c | balrog | case 0xf000: /* Manufacturer ID */ |
537 | 5923ba42 | Juha Riihimäki | return s->id.man;
|
538 | 7e7c5e4c | balrog | case 0xf001: /* Device ID */ |
539 | 5923ba42 | Juha Riihimäki | return s->id.dev;
|
540 | 7e7c5e4c | balrog | case 0xf002: /* Version ID */ |
541 | 5923ba42 | Juha Riihimäki | return s->id.ver;
|
542 | 5923ba42 | Juha Riihimäki | /* TODO: get the following values from a real chip! */
|
543 | 7e7c5e4c | balrog | case 0xf003: /* Data Buffer size */ |
544 | 7e7c5e4c | balrog | return 1 << PAGE_SHIFT; |
545 | 7e7c5e4c | balrog | case 0xf004: /* Boot Buffer size */ |
546 | 7e7c5e4c | balrog | return 0x200; |
547 | 7e7c5e4c | balrog | case 0xf005: /* Amount of buffers */ |
548 | 7e7c5e4c | balrog | return 1 | (2 << 8); |
549 | 7e7c5e4c | balrog | case 0xf006: /* Technology */ |
550 | 7e7c5e4c | balrog | return 0; |
551 | 7e7c5e4c | balrog | |
552 | 7e7c5e4c | balrog | case 0xf100 ... 0xf107: /* Start addresses */ |
553 | 7e7c5e4c | balrog | return s->addr[offset - 0xf100]; |
554 | 7e7c5e4c | balrog | |
555 | 7e7c5e4c | balrog | case 0xf200: /* Start buffer */ |
556 | 7e7c5e4c | balrog | return (s->bufaddr << 8) | ((s->count - 1) & (1 << (PAGE_SHIFT - 10))); |
557 | 7e7c5e4c | balrog | |
558 | 7e7c5e4c | balrog | case 0xf220: /* Command */ |
559 | 7e7c5e4c | balrog | return s->command;
|
560 | 7e7c5e4c | balrog | case 0xf221: /* System Configuration 1 */ |
561 | 7e7c5e4c | balrog | return s->config[0] & 0xffe0; |
562 | 7e7c5e4c | balrog | case 0xf222: /* System Configuration 2 */ |
563 | 7e7c5e4c | balrog | return s->config[1]; |
564 | 7e7c5e4c | balrog | |
565 | 7e7c5e4c | balrog | case 0xf240: /* Controller Status */ |
566 | 7e7c5e4c | balrog | return s->status;
|
567 | 7e7c5e4c | balrog | case 0xf241: /* Interrupt */ |
568 | 7e7c5e4c | balrog | return s->intstatus;
|
569 | 7e7c5e4c | balrog | case 0xf24c: /* Unlock Start Block Address */ |
570 | 7e7c5e4c | balrog | return s->unladdr[0]; |
571 | 7e7c5e4c | balrog | case 0xf24d: /* Unlock End Block Address */ |
572 | 7e7c5e4c | balrog | return s->unladdr[1]; |
573 | 7e7c5e4c | balrog | case 0xf24e: /* Write Protection Status */ |
574 | 7e7c5e4c | balrog | return s->wpstatus;
|
575 | 7e7c5e4c | balrog | |
576 | 7e7c5e4c | balrog | case 0xff00: /* ECC Status */ |
577 | 7e7c5e4c | balrog | return 0x00; |
578 | 7e7c5e4c | balrog | case 0xff01: /* ECC Result of main area data */ |
579 | 7e7c5e4c | balrog | case 0xff02: /* ECC Result of spare area data */ |
580 | 7e7c5e4c | balrog | case 0xff03: /* ECC Result of main area data */ |
581 | 7e7c5e4c | balrog | case 0xff04: /* ECC Result of spare area data */ |
582 | 2ac71179 | Paul Brook | hw_error("%s: imeplement ECC\n", __FUNCTION__);
|
583 | 7e7c5e4c | balrog | return 0x0000; |
584 | 7e7c5e4c | balrog | } |
585 | 7e7c5e4c | balrog | |
586 | 7e7c5e4c | balrog | fprintf(stderr, "%s: unknown OneNAND register %x\n",
|
587 | 7e7c5e4c | balrog | __FUNCTION__, offset); |
588 | 7e7c5e4c | balrog | return 0; |
589 | 7e7c5e4c | balrog | } |
590 | 7e7c5e4c | balrog | |
591 | c227f099 | Anthony Liguori | static void onenand_write(void *opaque, target_phys_addr_t addr, |
592 | 7e7c5e4c | balrog | uint32_t value) |
593 | 7e7c5e4c | balrog | { |
594 | bc24a225 | Paul Brook | OneNANDState *s = (OneNANDState *) opaque; |
595 | 8da3ff18 | pbrook | int offset = addr >> s->shift;
|
596 | 7e7c5e4c | balrog | int sec;
|
597 | 7e7c5e4c | balrog | |
598 | 7e7c5e4c | balrog | switch (offset) {
|
599 | 7e7c5e4c | balrog | case 0x0000 ... 0x01ff: |
600 | 7e7c5e4c | balrog | case 0x8000 ... 0x800f: |
601 | 7e7c5e4c | balrog | if (s->cycle) {
|
602 | 7e7c5e4c | balrog | s->cycle = 0;
|
603 | 7e7c5e4c | balrog | |
604 | 7e7c5e4c | balrog | if (value == 0x0000) { |
605 | 7e7c5e4c | balrog | SETADDR(ONEN_BUF_BLOCK, ONEN_BUF_PAGE) |
606 | 7e7c5e4c | balrog | onenand_load_main(s, sec, |
607 | 7e7c5e4c | balrog | 1 << (PAGE_SHIFT - 9), s->data[0][0]); |
608 | 7e7c5e4c | balrog | s->addr[ONEN_BUF_PAGE] += 4;
|
609 | 7e7c5e4c | balrog | s->addr[ONEN_BUF_PAGE] &= 0xff;
|
610 | 7e7c5e4c | balrog | } |
611 | 7e7c5e4c | balrog | break;
|
612 | 7e7c5e4c | balrog | } |
613 | 7e7c5e4c | balrog | |
614 | 7e7c5e4c | balrog | switch (value) {
|
615 | 7e7c5e4c | balrog | case 0x00f0: /* Reset OneNAND */ |
616 | 7e7c5e4c | balrog | onenand_reset(s, 0);
|
617 | 7e7c5e4c | balrog | break;
|
618 | 7e7c5e4c | balrog | |
619 | 7e7c5e4c | balrog | case 0x00e0: /* Load Data into Buffer */ |
620 | 7e7c5e4c | balrog | s->cycle = 1;
|
621 | 7e7c5e4c | balrog | break;
|
622 | 7e7c5e4c | balrog | |
623 | 7e7c5e4c | balrog | case 0x0090: /* Read Identification Data */ |
624 | 7e7c5e4c | balrog | memset(s->boot[0], 0, 3 << s->shift); |
625 | 5923ba42 | Juha Riihimäki | s->boot[0][0 << s->shift] = s->id.man & 0xff; |
626 | 5923ba42 | Juha Riihimäki | s->boot[0][1 << s->shift] = s->id.dev & 0xff; |
627 | 7e7c5e4c | balrog | s->boot[0][2 << s->shift] = s->wpstatus & 0xff; |
628 | 7e7c5e4c | balrog | break;
|
629 | 7e7c5e4c | balrog | |
630 | 7e7c5e4c | balrog | default:
|
631 | 7e7c5e4c | balrog | fprintf(stderr, "%s: unknown OneNAND boot command %x\n",
|
632 | 7e7c5e4c | balrog | __FUNCTION__, value); |
633 | 7e7c5e4c | balrog | } |
634 | 7e7c5e4c | balrog | break;
|
635 | 7e7c5e4c | balrog | |
636 | 7e7c5e4c | balrog | case 0xf100 ... 0xf107: /* Start addresses */ |
637 | 7e7c5e4c | balrog | s->addr[offset - 0xf100] = value;
|
638 | 7e7c5e4c | balrog | break;
|
639 | 7e7c5e4c | balrog | |
640 | 7e7c5e4c | balrog | case 0xf200: /* Start buffer */ |
641 | 7e7c5e4c | balrog | s->bufaddr = (value >> 8) & 0xf; |
642 | 7e7c5e4c | balrog | if (PAGE_SHIFT == 11) |
643 | 7e7c5e4c | balrog | s->count = (value & 3) ?: 4; |
644 | 7e7c5e4c | balrog | else if (PAGE_SHIFT == 10) |
645 | 7e7c5e4c | balrog | s->count = (value & 1) ?: 2; |
646 | 7e7c5e4c | balrog | break;
|
647 | 7e7c5e4c | balrog | |
648 | 7e7c5e4c | balrog | case 0xf220: /* Command */ |
649 | 7e7c5e4c | balrog | if (s->intstatus & (1 << 15)) |
650 | 7e7c5e4c | balrog | break;
|
651 | 7e7c5e4c | balrog | s->command = value; |
652 | 7e7c5e4c | balrog | onenand_command(s, s->command); |
653 | 7e7c5e4c | balrog | break;
|
654 | 7e7c5e4c | balrog | case 0xf221: /* System Configuration 1 */ |
655 | 7e7c5e4c | balrog | s->config[0] = value;
|
656 | 7e7c5e4c | balrog | onenand_intr_update(s); |
657 | 7e7c5e4c | balrog | qemu_set_irq(s->rdy, (s->config[0] >> 7) & 1); |
658 | 7e7c5e4c | balrog | break;
|
659 | 7e7c5e4c | balrog | case 0xf222: /* System Configuration 2 */ |
660 | 7e7c5e4c | balrog | s->config[1] = value;
|
661 | 7e7c5e4c | balrog | break;
|
662 | 7e7c5e4c | balrog | |
663 | 7e7c5e4c | balrog | case 0xf241: /* Interrupt */ |
664 | 7e7c5e4c | balrog | s->intstatus &= value; |
665 | 7e7c5e4c | balrog | if ((1 << 15) & ~s->intstatus) |
666 | 7e7c5e4c | balrog | s->status &= ~(ONEN_ERR_CMD | ONEN_ERR_ERASE | |
667 | 7e7c5e4c | balrog | ONEN_ERR_PROG | ONEN_ERR_LOAD); |
668 | 7e7c5e4c | balrog | onenand_intr_update(s); |
669 | 7e7c5e4c | balrog | break;
|
670 | 7e7c5e4c | balrog | case 0xf24c: /* Unlock Start Block Address */ |
671 | 7e7c5e4c | balrog | s->unladdr[0] = value & (s->blocks - 1); |
672 | 7e7c5e4c | balrog | /* For some reason we have to set the end address to by default
|
673 | 7e7c5e4c | balrog | * be same as start because the software forgets to write anything
|
674 | 7e7c5e4c | balrog | * in there. */
|
675 | 7e7c5e4c | balrog | s->unladdr[1] = value & (s->blocks - 1); |
676 | 7e7c5e4c | balrog | break;
|
677 | 7e7c5e4c | balrog | case 0xf24d: /* Unlock End Block Address */ |
678 | 7e7c5e4c | balrog | s->unladdr[1] = value & (s->blocks - 1); |
679 | 7e7c5e4c | balrog | break;
|
680 | 7e7c5e4c | balrog | |
681 | 7e7c5e4c | balrog | default:
|
682 | 7e7c5e4c | balrog | fprintf(stderr, "%s: unknown OneNAND register %x\n",
|
683 | 7e7c5e4c | balrog | __FUNCTION__, offset); |
684 | 7e7c5e4c | balrog | } |
685 | 7e7c5e4c | balrog | } |
686 | 7e7c5e4c | balrog | |
687 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const onenand_readfn[] = { |
688 | 7e7c5e4c | balrog | onenand_read, /* TODO */
|
689 | 7e7c5e4c | balrog | onenand_read, |
690 | 7e7c5e4c | balrog | onenand_read, |
691 | 7e7c5e4c | balrog | }; |
692 | 7e7c5e4c | balrog | |
693 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const onenand_writefn[] = { |
694 | 7e7c5e4c | balrog | onenand_write, /* TODO */
|
695 | 7e7c5e4c | balrog | onenand_write, |
696 | 7e7c5e4c | balrog | onenand_write, |
697 | 7e7c5e4c | balrog | }; |
698 | 7e7c5e4c | balrog | |
699 | 5923ba42 | Juha Riihimäki | void *onenand_init(BlockDriverState *bdrv,
|
700 | 5923ba42 | Juha Riihimäki | uint16_t man_id, uint16_t dev_id, uint16_t ver_id, |
701 | af5a75f4 | Peter Maydell | int regshift, qemu_irq irq)
|
702 | 7e7c5e4c | balrog | { |
703 | 7267c094 | Anthony Liguori | OneNANDState *s = (OneNANDState *) g_malloc0(sizeof(*s));
|
704 | 5923ba42 | Juha Riihimäki | uint32_t size = 1 << (24 + ((dev_id >> 4) & 7)); |
705 | 7e7c5e4c | balrog | void *ram;
|
706 | 7e7c5e4c | balrog | |
707 | 7e7c5e4c | balrog | s->shift = regshift; |
708 | 7e7c5e4c | balrog | s->intr = irq; |
709 | b9d38e95 | Blue Swirl | s->rdy = NULL;
|
710 | 5923ba42 | Juha Riihimäki | s->id.man = man_id; |
711 | 5923ba42 | Juha Riihimäki | s->id.dev = dev_id; |
712 | 5923ba42 | Juha Riihimäki | s->id.ver = ver_id; |
713 | 7e7c5e4c | balrog | s->blocks = size >> BLOCK_SHIFT; |
714 | 7e7c5e4c | balrog | s->secs = size >> 9;
|
715 | 7267c094 | Anthony Liguori | s->blockwp = g_malloc(s->blocks); |
716 | 5923ba42 | Juha Riihimäki | s->density_mask = (dev_id & 0x08) ? (1 << (6 + ((dev_id >> 4) & 7))) : 0; |
717 | 1eed09cb | Avi Kivity | s->iomemtype = cpu_register_io_memory(onenand_readfn, |
718 | 2507c12a | Alexander Graf | onenand_writefn, s, DEVICE_NATIVE_ENDIAN); |
719 | af5a75f4 | Peter Maydell | s->bdrv = bdrv; |
720 | af5a75f4 | Peter Maydell | if (!s->bdrv) {
|
721 | 7267c094 | Anthony Liguori | s->image = memset(g_malloc(size + (size >> 5)),
|
722 | 7e7c5e4c | balrog | 0xff, size + (size >> 5)); |
723 | 63efb1d9 | Andrzej Zaborowski | } |
724 | 7267c094 | Anthony Liguori | s->otp = memset(g_malloc((64 + 2) << PAGE_SHIFT), |
725 | 7e7c5e4c | balrog | 0xff, (64 + 2) << PAGE_SHIFT); |
726 | 1724f049 | Alex Williamson | s->ram = qemu_ram_alloc(NULL, "onenand.ram", 0xc000 << s->shift); |
727 | 5c130f65 | pbrook | ram = qemu_get_ram_ptr(s->ram); |
728 | 7e7c5e4c | balrog | s->boot[0] = ram + (0x0000 << s->shift); |
729 | 7e7c5e4c | balrog | s->boot[1] = ram + (0x8000 << s->shift); |
730 | 7e7c5e4c | balrog | s->data[0][0] = ram + ((0x0200 + (0 << (PAGE_SHIFT - 1))) << s->shift); |
731 | 7e7c5e4c | balrog | s->data[0][1] = ram + ((0x8010 + (0 << (PAGE_SHIFT - 6))) << s->shift); |
732 | 7e7c5e4c | balrog | s->data[1][0] = ram + ((0x0200 + (1 << (PAGE_SHIFT - 1))) << s->shift); |
733 | 7e7c5e4c | balrog | s->data[1][1] = ram + ((0x8010 + (1 << (PAGE_SHIFT - 6))) << s->shift); |
734 | 7e7c5e4c | balrog | |
735 | 7e7c5e4c | balrog | onenand_reset(s, 1);
|
736 | 7e7c5e4c | balrog | |
737 | 7e7c5e4c | balrog | return s;
|
738 | 7e7c5e4c | balrog | } |
739 | c580d92b | balrog | |
740 | c580d92b | balrog | void *onenand_raw_otp(void *opaque) |
741 | c580d92b | balrog | { |
742 | bc24a225 | Paul Brook | OneNANDState *s = (OneNANDState *) opaque; |
743 | c580d92b | balrog | |
744 | c580d92b | balrog | return s->otp;
|
745 | c580d92b | balrog | } |