| Index: apps/installer-nano2g/bootstub/bootstub.S |
| — | — | @@ -0,0 +1,912 @@ |
| | 2 | +@
|
| | 3 | +@
|
| | 4 | +@ emBIOS Loader for iPod Nano 2G
|
| | 5 | +@
|
| | 6 | +@ Copyright 2010 TheSeven
|
| | 7 | +@
|
| | 8 | +@
|
| | 9 | +@ This file is part of emBIOS.
|
| | 10 | +@
|
| | 11 | +@ emBIOS is free software: you can redistribute it and/or
|
| | 12 | +@ modify it under the terms of the GNU General Public License as
|
| | 13 | +@ published by the Free Software Foundation, either version 2 of the
|
| | 14 | +@ License, or (at your option) any later version.
|
| | 15 | +@
|
| | 16 | +@ emBIOS is distributed in the hope that it will be useful,
|
| | 17 | +@ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| | 18 | +@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
| | 19 | +@ See the GNU General Public License for more details.
|
| | 20 | +@
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| | 21 | +@ You should have received a copy of the GNU General Public License along
|
| | 22 | +@ with emBIOS. If not, see <http://www.gnu.org/licenses/>.
|
| | 23 | +@
|
| | 24 | +@
|
| | 25 | +
|
| | 26 | +.global _start
|
| | 27 | +_start:
|
| | 28 | +
|
| | 29 | + msr cpsr_c, #0xd3
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| | 30 | + mrc p15, 0, r0,c1,c0
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| | 31 | + bic r0, r0, #1
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| | 32 | + mcr p15, 0, r0,c1,c0
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| | 33 | + mov r0, #0
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| | 34 | + mcr p15, 0, r0,c7,c5
|
| | 35 | + adr lr, cacheflush_done
|
| | 36 | +
|
| | 37 | +flushcache:
|
| | 38 | + mov r0, #0
|
| | 39 | +flushcache_loop:
|
| | 40 | + mcr p15, 0, r0,c7,c14,2
|
| | 41 | + add r10, r0, #0x10
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| | 42 | + mcr p15, 0, r10,c7,c14,2
|
| | 43 | + add r10, r10, #0x10
|
| | 44 | + mcr p15, 0, r10,c7,c14,2
|
| | 45 | + add r10, r10, #0x10
|
| | 46 | + mcr p15, 0, r10,c7,c14,2
|
| | 47 | + adds r0, r0, #0x04000000
|
| | 48 | + bne flushcache_loop
|
| | 49 | + mcr p15, 0, r0,c7,c10,4
|
| | 50 | + mov pc, lr
|
| | 51 | +
|
| | 52 | +cacheflush_done:
|
| | 53 | + adr r0, _start
|
| | 54 | + adr r1, _stubend + 4
|
| | 55 | + mov r2, #0x22000000
|
| | 56 | +copyloop:
|
| | 57 | + cmp r1, r0
|
| | 58 | + ldrhi r3, [r0], #4
|
| | 59 | + strhi r3, [r2], #4
|
| | 60 | + bhi copyloop
|
| | 61 | + str r1, [r2]
|
| | 62 | + mov r0, #0x22000000
|
| | 63 | + add pc, r0, #sramstart - _start
|
| | 64 | +sramstart:
|
| | 65 | +
|
| | 66 | + adr lr, values1
|
| | 67 | + ldmia lr!, {r0-r13}
|
| | 68 | + str r1, [r0,#0x88]
|
| | 69 | + str r2, [r0,#0xf0]
|
| | 70 | + str r4, [r3,#0x38]
|
| | 71 | + mov r1, #0
|
| | 72 | + str r7, [r0]
|
| | 73 | + str r1, [r0,#0x04]
|
| | 74 | + str r8, [r0,#0x10]
|
| | 75 | + str r1, [r0,#0x14]
|
| | 76 | + str r9, [r0,#0x20]
|
| | 77 | + str r1, [r0,#0x24]
|
| | 78 | + str r10, [r0,#0x30]
|
| | 79 | + str r1, [r0,#0x34]
|
| | 80 | + str r9, [r0,#0x40]
|
| | 81 | + str r1, [r0,#0x44]
|
| | 82 | + str r11, [r0,#0x50]
|
| | 83 | + str r1, [r0,#0x54]
|
| | 84 | + str r12, [r0,#0x60]
|
| | 85 | + str r1, [r0,#0x64]
|
| | 86 | + str r13, [r0,#0xa0]
|
| | 87 | + str r1, [r0,#0xa4]
|
| | 88 | + str r5, [r0,#0xb0]
|
| | 89 | + mov r3, #1
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| | 90 | + str r3, [r0,#0xb4]
|
| | 91 | + str r6, [r0,#0xc0]
|
| | 92 | + ldmia lr, {r4-r14}
|
| | 93 | + str r1, [r0,#0xc4]
|
| | 94 | + str r6, [r0,#0xd0]
|
| | 95 | + str r1, [r0,#0xd4]
|
| | 96 | + str r6, [r0,#0xe0]
|
| | 97 | + str r1, [r0,#0xe4]
|
| | 98 | + str r7, [r0,#0xf0]
|
| | 99 | + str r1, [r0,#0xf4]
|
| | 100 | + ldr r3, [r8,#0x24]
|
| | 101 | + orr r3, r3, #3
|
| | 102 | + str r3, [r8,#0x24]
|
| | 103 | + ldr r3, [r8,#0x28]
|
| | 104 | + bic r3, r3, #0x4000
|
| | 105 | + str r3, [r8,#0x28]
|
| | 106 | + mov r3, #0x3C400000
|
| | 107 | + str r1, [r3]
|
| | 108 | + str r12, [r8,#0x0c]
|
| | 109 | + ldr r3, [r8,#0x24]
|
| | 110 | + orr r3, r3, #0x54
|
| | 111 | + str r3, [r8,#0x24]
|
| | 112 | + mov r3, #0x2000
|
| | 113 | +waitpll1:
|
| | 114 | + subs r3, r3, #1
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| | 115 | + bne waitpll1
|
| | 116 | + ldr r3, [r8]
|
| | 117 | + bic r3, r3, r5
|
| | 118 | + orr r3, r3, r4
|
| | 119 | + str r3, [r8]
|
| | 120 | + ldr r3, [r8,#0x24]
|
| | 121 | + bic r3, r3, #1
|
| | 122 | + str r3, [r8,#0x24]
|
| | 123 | + mov r3, #0x84
|
| | 124 | + str r3, [r0,#0x68]
|
| | 125 | + str r13, [r8,#0x04]
|
| | 126 | + mov r3, #0xa000
|
| | 127 | +waitpll2:
|
| | 128 | + subs r3, r3, #1
|
| | 129 | + bne waitpll2
|
| | 130 | + ldr r3, [r8,#0x24]
|
| | 131 | + orr r3, r3, #1
|
| | 132 | + str r3, [r8,#0x24]
|
| | 133 | + mov r3, #0x6000
|
| | 134 | +waitpll3:
|
| | 135 | + subs r3, r3, #1
|
| | 136 | + bne waitpll3
|
| | 137 | + ldr r3, [r8]
|
| | 138 | + bic r3, r3, r9
|
| | 139 | + orr r3, r3, r10
|
| | 140 | + str r3, [r8]
|
| | 141 | + ldr r3, [r8,#0x3c]
|
| | 142 | + bic r3, r3, #0x400
|
| | 143 | + orr r3, r3, #0x280
|
| | 144 | + str r3, [r8,#0x3c]
|
| | 145 | + ldr r3, [r8,#0x10]
|
| | 146 | + bic r3, r3, #0x1f8
|
| | 147 | + orr r3, r3, #0x37
|
| | 148 | + str r3, [r8,#0x10]
|
| | 149 | + mrc p15, 0, r3,c1,c0
|
| | 150 | + orr r3, r3, #0xc0000000
|
| | 151 | + mcr p15, 0, r3,c1,c0
|
| | 152 | + str r11, [r8,#0x28]
|
| | 153 | + str r14, [r8,#0x40]
|
| | 154 | + sub r6, r0, #0x00800000
|
| | 155 | + mov r5, #0xf700
|
| | 156 | + str r5, [r6,#0x88]
|
| | 157 | + mov r5, #0x1100
|
| | 158 | + orr r5, r5, #0x11
|
| | 159 | + str r5, [r0,#0x88]
|
| | 160 | + add r4, r6, #0x00200000
|
| | 161 | + str r1, [r4,#0x08]
|
| | 162 | + mov r5, #0xb7
|
| | 163 | + str r5, [r4]
|
| | 164 | + mov r5, #0x10
|
| | 165 | + str r5, [r4,#0x04]
|
| | 166 | + b setuppmu
|
| | 167 | +
|
| | 168 | +pmuinitdata:
|
| | 169 | + .byte 3, 0x39, 0x18, 0, 0x8c
|
| | 170 | + .byte 3, 0x13, 3, 0, 0
|
| | 171 | + .byte 6, 0x16, 7, 0, 5, 2, 0x6b, 0
|
| | 172 | + .byte 4, 0x1e, 0x12, 1, 0, 0x10
|
| | 173 | + .byte 6, 0x22, 0x2f, 1, 0, 0x10, 9, 1
|
| | 174 | + .byte 6, 0x31, 0x15, 1, 0x0f, 3, 0x15, 0
|
| | 175 | + .byte 1, 0x43, 0
|
| | 176 | + .byte 1, 0x4e, 0
|
| | 177 | + .byte 1, 0x58, 0
|
| | 178 | + .byte 5, 0x07, 0xb0, 0x0f, 0xfe, 0xfc, 0xff
|
| | 179 | + .byte 5, 0x0d, 0xdf, 0xaa, 0x4a, 5, 0x27
|
| | 180 | + .byte 0
|
| | 181 | + .align 2
|
| | 182 | +
|
| | 183 | +val_006a49a5:
|
| | 184 | + .word 0x006a49a5
|
| | 185 | +
|
| | 186 | +values1:
|
| | 187 | + .word 0x3CF00000 @ R0
|
| | 188 | + .word 0x00001111 @ R1
|
| | 189 | + .word 0x00000221 @ R2
|
| | 190 | + .word 0x38200000 @ R3
|
| | 191 | +val_00990999:
|
| | 192 | + .word 0x00990999 @ R4
|
| | 193 | + .word 0x41001111 @ R5
|
| | 194 | + .word 0x11114444 @ R6
|
| | 195 | + .word 0x11221111 @ R7
|
| | 196 | + .word 0x11001744 @ R8
|
| | 197 | + .word 0x33333333 @ R9
|
| | 198 | + .word 0x11113333 @ R10
|
| | 199 | + .word 0x77721151 @ R11
|
| | 200 | + .word 0x12111111 @ R12
|
| | 201 | + .word 0x11111000 @ R13
|
| | 202 | + .word 0x60007000 @ R4
|
| | 203 | + .word 0x7F007F00 @ R5
|
| | 204 | + .word 0x44444444 @ R6
|
| | 205 | + .word 0x22222221 @ R7
|
| | 206 | + .word 0x3C500000 @ R8
|
| | 207 | + .word 0xFF00FF00 @ R9
|
| | 208 | + .word 0x20803180 @ R10
|
| | 209 | + .word 0xFFDFF7CF @ R11
|
| | 210 | + .word 0x00061800 @ R12
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| | 211 | + .word 0x00021200 @ R13
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| | 212 | + .word 0xFFFFEF7E @ R14
|
| | 213 | +
|
| | 214 | +setuppmu:
|
| | 215 | + mov sp, pc
|
| | 216 | + bl getpowerok
|
| | 217 | + beq poweroff
|
| | 218 | + adr r2, pmuinitdata
|
| | 219 | +pmuinitloop:
|
| | 220 | + ldrb r3, [r2], #1
|
| | 221 | + movs r3, r3
|
| | 222 | + beq pmuinitdone
|
| | 223 | + ldrb r1, [r2], #1
|
| | 224 | + mov r0, #0xe6
|
| | 225 | + bl i2csend
|
| | 226 | + b pmuinitloop
|
| | 227 | +pmuinitdone:
|
| | 228 | + orr r12, r12, #0x00600000
|
| | 229 | + mov r1, #1
|
| | 230 | + ldr r0, [r12,#0x100]
|
| | 231 | + bic r0, r0, #0x0f
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| | 232 | + orr r0, r0, #1
|
| | 233 | + str r0, [r12,#0x100]
|
| | 234 | + str r1, [r12,#0x10c]
|
| | 235 | + sub r11, r12, #0x04d00000
|
| | 236 | + ldr r0, [r11,#0x80]
|
| | 237 | + bic r0, r0, #0x20000
|
| | 238 | + str r0, [r11,#0x80]
|
| | 239 | + ldr r0, [r11]
|
| | 240 | + bic r0, r0, #0xc00
|
| | 241 | + orr r0, r0, #0x500
|
| | 242 | + str r0, [r11]
|
| | 243 | + mov r0, #3
|
| | 244 | + str r0, [r11,#0x04]
|
| | 245 | + mov r0, #1
|
| | 246 | + bl sleepms
|
| | 247 | + mov r0, #0x200
|
| | 248 | + orr r0, r0, #0xed
|
| | 249 | + str r0, [r11,#0x08]
|
| | 250 | + ldr r0, val_006a49a5
|
| | 251 | + str r0, [r11,#0x10]
|
| | 252 | + mov r0, #0x37
|
| | 253 | + str r0, [r11,#0x0c]
|
| | 254 | + ldr r1, [r11,#0x04]
|
| | 255 | + bic r1, r1, #0x700
|
| | 256 | + orr r0, r1, #0x200
|
| | 257 | + str r0, [r11,#0x04]
|
| | 258 | + orr r0, r1, #0x300
|
| | 259 | + str r0, [r11,#0x04]
|
| | 260 | + str r0, [r11,#0x04]
|
| | 261 | + orr r0, r1, #0x100
|
| | 262 | + str r0, [r11,#0x04]
|
| | 263 | + orr r0, r1, #0x500
|
| | 264 | + str r0, [r11,#0x04]
|
| | 265 | + ldr r0, [r11,#0x08]
|
| | 266 | + orr r0, r0, #0x1000
|
| | 267 | + str r0, [r11,#0x08]
|
| | 268 | + ldr r0, val_00990999
|
| | 269 | + str r0, [r11,#0x38]
|
| | 270 | + ldr r0, [r12,#0xf0]
|
| | 271 | + bic r0, r0, #0xff000000
|
| | 272 | + bic r0, r0, #0x00ff0000
|
| | 273 | + orr r0, r0, #0x22000000
|
| | 274 | + orr r0, r0, #0x00220000
|
| | 275 | + str r0, [r12,#0xf0]
|
| | 276 | + mov r0, #0xf0
|
| | 277 | + str r0, [r12,#0xfc]
|
| | 278 | + sub r10, r12, #0x00d00000
|
| | 279 | + ldr r0, [r10]
|
| | 280 | + mov r0, r0,lsr#20
|
| | 281 | + mov r0, r0,lsl#20
|
| | 282 | + str r0, [r10]
|
| | 283 | + mov r1, #0x3a000
|
| | 284 | + orr r1, r1, #0x980
|
| | 285 | + str r1, [r10,#0x08]
|
| | 286 | + orr r0, r0, #0x300000
|
| | 287 | + str r0, [r10]
|
| | 288 | + bl initlcd
|
| | 289 | + mov r0, #0x3f
|
| | 290 | + mcr p15, 0, r0,c6,c0,1 @ CS0: 4GB at offset 0 - everything
|
| | 291 | + mcr p15, 0, r0,c6,c0,0 @ DS0: 4GB at offset 0 - everything
|
| | 292 | + mov r0, #0x31
|
| | 293 | + mcr p15, 0, r0,c6,c1,1 @ CS1: SRAM/SDRAM mirror
|
| | 294 | + mcr p15, 0, r0,c6,c1,0 @ DS1: SRAM/SDRAM mirror
|
| | 295 | + add r0, r0, #0x08000000
|
| | 296 | + mcr p15, 0, r0,c6,c2,1 @ CS2: SDRAM
|
| | 297 | + mcr p15, 0, r0,c6,c2,0 @ DS2: SDRAM
|
| | 298 | + mov r0, #0x23
|
| | 299 | + add r0, r0, #0x22000000
|
| | 300 | + mcr p15, 0, r0,c6,c3,1 @ CS3: SRAM
|
| | 301 | + mcr p15, 0, r0,c6,c3,0 @ DS3: SRAM
|
| | 302 | + mov r0, #0x27
|
| | 303 | + add r0, r0, #0x24000000
|
| | 304 | + mcr p15, 0, r0,c6,c4,1 @ CS4: NOR flash
|
| | 305 | + mcr p15, 0, r0,c6,c4,0 @ DS4: NOR flash
|
| | 306 | + mcr p15, 0, r1,c6,c5,1 @ CS5: unused
|
| | 307 | + mcr p15, 0, r1,c6,c5,0 @ DS5: unused
|
| | 308 | + mcr p15, 0, r1,c6,c6,1 @ CS6: unused
|
| | 309 | + mcr p15, 0, r1,c6,c6,0 @ DS6: unused
|
| | 310 | + mcr p15, 0, r1,c6,c7,1 @ CS7: unused
|
| | 311 | + mcr p15, 0, r1,c6,c7,0 @ DS7: unused
|
| | 312 | + mov r0, #0x1e
|
| | 313 | + mcr p15, 0, r0,c2,c0, 1 @ CS1-4: cacheable
|
| | 314 | + mcr p15, 0, r0,c2,c0, 0 @ DS1-4: cacheable
|
| | 315 | + mcr p15, 0, r0,c3,c0, 0 @ DS1-4: write cacheable
|
| | 316 | + mov r0, #0x300
|
| | 317 | + add r0, r0, #0xff
|
| | 318 | + mcr p15, 0, r0,c5,c0, 1 @ CS0-4: full access
|
| | 319 | + mcr p15, 0, r0,c5,c0, 0 @ DS0-4: full access
|
| | 320 | + mrc p15, 0, r0,c1,c0
|
| | 321 | + orr r0, r0, #5
|
| | 322 | + orr r0, r0, #0x1000
|
| | 323 | + mcr p15, 0, r0,c1,c0 @ Re-enable the Protection Unit and caches
|
| | 324 | + ldr r0, _stubend
|
| | 325 | + ldr r1, _stubend + 4
|
| | 326 | + add r1, r1, r0
|
| | 327 | + mov r2, #0x08000000
|
| | 328 | +movepayloadloop:
|
| | 329 | + cmp r1, r0
|
| | 330 | + ldrhi r3, [r0], #4
|
| | 331 | + strhi r3, [r2], #4
|
| | 332 | + bhi movepayloadloop
|
| | 333 | + mov pc, #0x08000000
|
| | 334 | +
|
| | 335 | +
|
| | 336 | +lcd_inittab_type2:
|
| | 337 | + .byte 5, 10
|
| | 338 | + .byte 3, 0xa4
|
| | 339 | + .byte 4, 0x01
|
| | 340 | + .byte 5, 150
|
| | 341 | + .byte 3, 0x01
|
| | 342 | + .byte 2, 0x01
|
| | 343 | + .byte 2, 0x00
|
| | 344 | + .byte 3, 0x02
|
| | 345 | + .byte 2, 0x03
|
| | 346 | + .byte 2, 0x00
|
| | 347 | + .byte 3, 0x03
|
| | 348 | + .byte 2, 0x12
|
| | 349 | + .byte 2, 0x30
|
| | 350 | + .byte 3, 0x08
|
| | 351 | + .byte 2, 0x04
|
| | 352 | + .byte 2, 0x04
|
| | 353 | + .byte 3, 0x0e
|
| | 354 | + .byte 4, 0x10
|
| | 355 | + .byte 3, 0x70
|
| | 356 | + .byte 2, 0x10
|
| | 357 | + .byte 2, 0x00
|
| | 358 | + .byte 3, 0x71
|
| | 359 | + .byte 4, 0x01
|
| | 360 | + .byte 3, 0x30
|
| | 361 | + .byte 4, 0x02
|
| | 362 | + .byte 3, 0x31
|
| | 363 | + .byte 2, 0x04
|
| | 364 | + .byte 2, 0x00
|
| | 365 | + .byte 3, 0x32
|
| | 366 | + .byte 4, 0x07
|
| | 367 | + .byte 3, 0x33
|
| | 368 | + .byte 2, 0x05
|
| | 369 | + .byte 2, 0x00
|
| | 370 | + .byte 3, 0x34
|
| | 371 | + .byte 4, 0x07
|
| | 372 | + .byte 3, 0x35
|
| | 373 | + .byte 2, 0x07
|
| | 374 | + .byte 2, 0x03
|
| | 375 | + .byte 3, 0x36
|
| | 376 | + .byte 2, 0x05
|
| | 377 | + .byte 2, 0x07
|
| | 378 | + .byte 3, 0x37
|
| | 379 | + .byte 4, 0x05
|
| | 380 | + .byte 3, 0x38
|
| | 381 | + .byte 2, 0x14
|
| | 382 | + .byte 2, 0x04
|
| | 383 | + .byte 3, 0x39
|
| | 384 | + .byte 4, 0x0e
|
| | 385 | + .byte 3, 0x40
|
| | 386 | + .byte 2, 0x02
|
| | 387 | + .byte 2, 0x02
|
| | 388 | + .byte 3, 0x41
|
| | 389 | + .byte 4, 0x03
|
| | 390 | + .byte 3, 0x42
|
| | 391 | + .byte 4, 0x00
|
| | 392 | + .byte 3, 0x43
|
| | 393 | + .byte 2, 0x02
|
| | 394 | + .byte 2, 0x00
|
| | 395 | + .byte 3, 0x44
|
| | 396 | + .byte 2, 0x07
|
| | 397 | + .byte 2, 0x07
|
| | 398 | + .byte 3, 0x45
|
| | 399 | + .byte 2, 0x04
|
| | 400 | + .byte 2, 0x07
|
| | 401 | + .byte 3, 0x46
|
| | 402 | + .byte 2, 0x05
|
| | 403 | + .byte 2, 0x05
|
| | 404 | + .byte 3, 0x47
|
| | 405 | + .byte 4, 0x02
|
| | 406 | + .byte 3, 0x48
|
| | 407 | + .byte 4, 0x04
|
| | 408 | + .byte 3, 0x49
|
| | 409 | + .byte 4, 0x04
|
| | 410 | + .byte 3, 0x60
|
| | 411 | + .byte 2, 0x02
|
| | 412 | + .byte 2, 0x02
|
| | 413 | + .byte 3, 0x61
|
| | 414 | + .byte 4, 0x03
|
| | 415 | + .byte 3, 0x62
|
| | 416 | + .byte 4, 0x00
|
| | 417 | + .byte 3, 0x63
|
| | 418 | + .byte 2, 0x02
|
| | 419 | + .byte 2, 0x00
|
| | 420 | + .byte 3, 0x64
|
| | 421 | + .byte 2, 0x07
|
| | 422 | + .byte 2, 0x07
|
| | 423 | + .byte 3, 0x65
|
| | 424 | + .byte 2, 0x04
|
| | 425 | + .byte 2, 0x07
|
| | 426 | + .byte 3, 0x66
|
| | 427 | + .byte 2, 0x05
|
| | 428 | + .byte 2, 0x05
|
| | 429 | + .byte 3, 0x68
|
| | 430 | + .byte 4, 0x04
|
| | 431 | + .byte 3, 0x69
|
| | 432 | + .byte 4, 0x04
|
| | 433 | + .byte 3, 0x07
|
| | 434 | + .byte 4, 0x01
|
| | 435 | + .byte 3, 0x18
|
| | 436 | + .byte 4, 0x01
|
| | 437 | + .byte 3, 0x10
|
| | 438 | + .byte 2, 0x16
|
| | 439 | + .byte 2, 0x90
|
| | 440 | + .byte 3, 0x11
|
| | 441 | + .byte 2, 0x01
|
| | 442 | + .byte 2, 0x00
|
| | 443 | + .byte 3, 0x12
|
| | 444 | + .byte 2, 0x01
|
| | 445 | + .byte 2, 0x17
|
| | 446 | + .byte 3, 0x13
|
| | 447 | + .byte 2, 0x0f
|
| | 448 | + .byte 2, 0x80
|
| | 449 | + .byte 3, 0x12
|
| | 450 | + .byte 2, 0x01
|
| | 451 | + .byte 2, 0x37
|
| | 452 | + .byte 3, 0x20
|
| | 453 | + .byte 4, 0x00
|
| | 454 | + .byte 3, 0x21
|
| | 455 | + .byte 4, 0x00
|
| | 456 | + .byte 3, 0x50
|
| | 457 | + .byte 4, 0x00
|
| | 458 | + .byte 3, 0x51
|
| | 459 | + .byte 4, 0xaf
|
| | 460 | + .byte 3, 0x52
|
| | 461 | + .byte 4, 0x00
|
| | 462 | + .byte 3, 0x53
|
| | 463 | + .byte 4, 0x83
|
| | 464 | + .byte 3, 0x90
|
| | 465 | + .byte 4, 0x03
|
| | 466 | + .byte 3, 0x91
|
| | 467 | + .byte 4, 0x00
|
| | 468 | + .byte 3, 0x92
|
| | 469 | + .byte 2, 0x01
|
| | 470 | + .byte 2, 0x01
|
| | 471 | + .byte 3, 0x98
|
| | 472 | + .byte 2, 0x04
|
| | 473 | + .byte 2, 0x00
|
| | 474 | + .byte 3, 0x99
|
| | 475 | + .byte 2, 0x13
|
| | 476 | + .byte 2, 0x02
|
| | 477 | + .byte 3, 0x9a
|
| | 478 | + .byte 2, 0x02
|
| | 479 | + .byte 2, 0x02
|
| | 480 | + .byte 3, 0x9b
|
| | 481 | + .byte 2, 0x02
|
| | 482 | + .byte 2, 0x00
|
| | 483 | + .byte 5, 100
|
| | 484 | + .byte 3, 0x07
|
| | 485 | + .byte 4, 0x21
|
| | 486 | + .byte 3, 0x12
|
| | 487 | + .byte 2, 0x01
|
| | 488 | + .byte 2, 0x37
|
| | 489 | + .byte 5, 1
|
| | 490 | + .byte 3, 0x07
|
| | 491 | + .byte 4, 0x21
|
| | 492 | + .byte 3, 0x12
|
| | 493 | + .byte 2, 0x11
|
| | 494 | + .byte 2, 0x37
|
| | 495 | + .byte 5, 100
|
| | 496 | + .byte 3, 0x07
|
| | 497 | + .byte 2, 0x02
|
| | 498 | + .byte 2, 0x33
|
| | 499 | + .byte 0
|
| | 500 | +
|
| | 501 | +lcd_inittab_type3:
|
| | 502 | + .byte 1, 0x01
|
| | 503 | + .byte 5, 5
|
| | 504 | + .byte 1, 0x11
|
| | 505 | + .byte 5, 120
|
| | 506 | + .byte 1, 0x3a
|
| | 507 | + .byte 2, 0x65
|
| | 508 | + .byte 1, 0xab
|
| | 509 | + .byte 1, 0x35
|
| | 510 | + .byte 2, 0x00
|
| | 511 | + .byte 1, 0xf2
|
| | 512 | + .byte 2, 0x01
|
| | 513 | + .byte 1, 0xe0
|
| | 514 | + .byte 2, 0x71
|
| | 515 | + .byte 2, 0x76
|
| | 516 | + .byte 2, 0x25
|
| | 517 | + .byte 2, 0x01
|
| | 518 | + .byte 2, 0xa5
|
| | 519 | + .byte 2, 0x09
|
| | 520 | + .byte 2, 0x15
|
| | 521 | + .byte 2, 0x11
|
| | 522 | + .byte 1, 0xe1
|
| | 523 | + .byte 2, 0x40
|
| | 524 | + .byte 2, 0x21
|
| | 525 | + .byte 2, 0x64
|
| | 526 | + .byte 2, 0x13
|
| | 527 | + .byte 2, 0xf3
|
| | 528 | + .byte 2, 0x0b
|
| | 529 | + .byte 2, 0x00
|
| | 530 | + .byte 2, 0x00
|
| | 531 | + .byte 1, 0xe2
|
| | 532 | + .byte 2, 0x71
|
| | 533 | + .byte 2, 0x65
|
| | 534 | + .byte 2, 0x24
|
| | 535 | + .byte 2, 0x08
|
| | 536 | + .byte 2, 0x97
|
| | 537 | + .byte 2, 0x01
|
| | 538 | + .byte 2, 0x15
|
| | 539 | + .byte 2, 0x11
|
| | 540 | + .byte 1, 0xe3
|
| | 541 | + .byte 2, 0x51
|
| | 542 | + .byte 2, 0x01
|
| | 543 | + .byte 2, 0x62
|
| | 544 | + .byte 2, 0x13
|
| | 545 | + .byte 2, 0xf3
|
| | 546 | + .byte 2, 0x0b
|
| | 547 | + .byte 2, 0x00
|
| | 548 | + .byte 2, 0x00
|
| | 549 | + .byte 1, 0xe4
|
| | 550 | + .byte 2, 0x71
|
| | 551 | + .byte 2, 0x57
|
| | 552 | + .byte 2, 0x31
|
| | 553 | + .byte 2, 0x01
|
| | 554 | + .byte 2, 0x82
|
| | 555 | + .byte 2, 0x04
|
| | 556 | + .byte 2, 0x1f
|
| | 557 | + .byte 2, 0x11
|
| | 558 | + .byte 1, 0xe5
|
| | 559 | + .byte 2, 0x64
|
| | 560 | + .byte 2, 0x41
|
| | 561 | + .byte 2, 0x64
|
| | 562 | + .byte 2, 0x19
|
| | 563 | + .byte 2, 0xb3
|
| | 564 | + .byte 2, 0x09
|
| | 565 | + .byte 2, 0x00
|
| | 566 | + .byte 2, 0x00
|
| | 567 | + .byte 1, 0x29
|
| | 568 | + .byte 0
|
| | 569 | +
|
| | 570 | +lcd_inittab_type7:
|
| | 571 | + .byte 1, 0x01
|
| | 572 | + .byte 5, 10
|
| | 573 | + .byte 1, 0xb4
|
| | 574 | + .byte 2, 0x00
|
| | 575 | + .byte 1, 0xb6
|
| | 576 | + .byte 2, 0x01
|
| | 577 | + .byte 1, 0xb7
|
| | 578 | + .byte 2, 0x00
|
| | 579 | + .byte 2, 0x00
|
| | 580 | + .byte 2, 0x02
|
| | 581 | + .byte 2, 0x00
|
| | 582 | + .byte 2, 0x06
|
| | 583 | + .byte 2, 0x26
|
| | 584 | + .byte 2, 0x2d
|
| | 585 | + .byte 2, 0x27
|
| | 586 | + .byte 2, 0x55
|
| | 587 | + .byte 2, 0x27
|
| | 588 | + .byte 1, 0xb8
|
| | 589 | + .byte 2, 0x10
|
| | 590 | + .byte 1, 0xb9
|
| | 591 | + .byte 2, 0x52
|
| | 592 | + .byte 2, 0x12
|
| | 593 | + .byte 2, 0x03
|
| | 594 | + .byte 1, 0xc0
|
| | 595 | + .byte 2, 0x0a
|
| | 596 | + .byte 2, 0x10
|
| | 597 | + .byte 2, 0x10
|
| | 598 | + .byte 1, 0xc2
|
| | 599 | + .byte 2, 0x14
|
| | 600 | + .byte 2, 0x23
|
| | 601 | + .byte 1, 0xc3
|
| | 602 | + .byte 2, 0x12
|
| | 603 | + .byte 2, 0x23
|
| | 604 | + .byte 1, 0xc6
|
| | 605 | + .byte 2, 0x48
|
| | 606 | + .byte 1, 0xe0
|
| | 607 | + .byte 2, 0x20
|
| | 608 | + .byte 2, 0x71
|
| | 609 | + .byte 2, 0x17
|
| | 610 | + .byte 2, 0x09
|
| | 611 | + .byte 2, 0x70
|
| | 612 | + .byte 2, 0x0c
|
| | 613 | + .byte 2, 0x13
|
| | 614 | + .byte 2, 0x25
|
| | 615 | + .byte 1, 0xe1
|
| | 616 | + .byte 2, 0x37
|
| | 617 | + .byte 2, 0x00
|
| | 618 | + .byte 2, 0x63
|
| | 619 | + .byte 2, 0x11
|
| | 620 | + .byte 2, 0xd9
|
| | 621 | + .byte 2, 0x00
|
| | 622 | + .byte 2, 0x12
|
| | 623 | + .byte 2, 0x01
|
| | 624 | + .byte 1, 0xe2
|
| | 625 | + .byte 2, 0x42
|
| | 626 | + .byte 2, 0x42
|
| | 627 | + .byte 2, 0x60
|
| | 628 | + .byte 2, 0x08
|
| | 629 | + .byte 2, 0xb4
|
| | 630 | + .byte 2, 0x07
|
| | 631 | + .byte 2, 0x0e
|
| | 632 | + .byte 2, 0x90
|
| | 633 | + .byte 1, 0xe3
|
| | 634 | + .byte 2, 0x47
|
| | 635 | + .byte 2, 0x60
|
| | 636 | + .byte 2, 0x66
|
| | 637 | + .byte 2, 0x09
|
| | 638 | + .byte 2, 0x6a
|
| | 639 | + .byte 2, 0x02
|
| | 640 | + .byte 2, 0x0e
|
| | 641 | + .byte 2, 0x09
|
| | 642 | + .byte 1, 0xe4
|
| | 643 | + .byte 2, 0x11
|
| | 644 | + .byte 2, 0x40
|
| | 645 | + .byte 2, 0x03
|
| | 646 | + .byte 2, 0x0a
|
| | 647 | + .byte 2, 0xc1
|
| | 648 | + .byte 2, 0x0d
|
| | 649 | + .byte 2, 0x17
|
| | 650 | + .byte 2, 0x30
|
| | 651 | + .byte 1, 0xe5
|
| | 652 | + .byte 2, 0x00
|
| | 653 | + .byte 2, 0x30
|
| | 654 | + .byte 2, 0x77
|
| | 655 | + .byte 2, 0x1c
|
| | 656 | + .byte 2, 0xfb
|
| | 657 | + .byte 2, 0x00
|
| | 658 | + .byte 2, 0x13
|
| | 659 | + .byte 2, 0x07
|
| | 660 | + .byte 1, 0xe6
|
| | 661 | + .byte 2, 0x01
|
| | 662 | + .byte 1, 0x35
|
| | 663 | + .byte 2, 0x00
|
| | 664 | + .byte 1, 0x36
|
| | 665 | + .byte 2, 0x00
|
| | 666 | + .byte 1, 0xf2
|
| | 667 | + .byte 2, 0x40
|
| | 668 | + .byte 1, 0xf3
|
| | 669 | + .byte 2, 0x50
|
| | 670 | + .byte 1, 0xfb
|
| | 671 | + .byte 2, 0x01
|
| | 672 | + .byte 1, 0x11
|
| | 673 | + .byte 5, 200
|
| | 674 | + .byte 1, 0xb1
|
| | 675 | + .byte 2, 0x16
|
| | 676 | + .byte 2, 0x03
|
| | 677 | + .byte 1, 0xb2
|
| | 678 | + .byte 2, 0x17
|
| | 679 | + .byte 2, 0x03
|
| | 680 | + .byte 1, 0x3a
|
| | 681 | + .byte 2, 0x65
|
| | 682 | + .byte 1, 0x29
|
| | 683 | + .byte 0
|
| | 684 | +
|
| | 685 | +.align 2
|
| | 686 | +
|
| | 687 | +lcd_initmapping:
|
| | 688 | + .word lcd_inittab_type3 - lcd_initmapping_ref
|
| | 689 | + .word lcd_inittab_type7 - lcd_initmapping_ref
|
| | 690 | + .word lcd_inittab_type2 - lcd_initmapping_ref
|
| | 691 | + .word lcd_inittab_type3 - lcd_initmapping_ref
|
| | 692 | +
|
| | 693 | +initlcd:
|
| | 694 | + stmfd sp!, {r4,r5,lr}
|
| | 695 | + bl detectlcd
|
| | 696 | + sub r12, r12, #0x04900000
|
| | 697 | + adr r5, lcd_initmapping
|
| | 698 | + add r5, r5, r0,lsl#2
|
| | 699 | + ldr r5, [r5]
|
| | 700 | + add r5, r5, pc
|
| | 701 | + mov r0, #0xc00
|
| | 702 | +lcd_initmapping_ref:
|
| | 703 | + orr r0, r0, #1
|
| | 704 | + str r0, [r12]
|
| | 705 | + mov r0, #0x7f00
|
| | 706 | + orr r0, r0, #0xff
|
| | 707 | + str r0, [r12,#0x24]
|
| | 708 | + mov r0, #0
|
| | 709 | + str r0, [r12,#0x28]
|
| | 710 | + mov r0, #1
|
| | 711 | + bl sleepms
|
| | 712 | + mov r0, #1
|
| | 713 | + str r0, [r12,#0x28]
|
| | 714 | + mov r0, #5
|
| | 715 | + bl sleepms
|
| | 716 | +initlcd_loop:
|
| | 717 | + adr lr, initlcd_loop
|
| | 718 | + ldrb r1, [r5], #1
|
| | 719 | + ldrb r0, [r5], #1
|
| | 720 | + add pc, pc, r1,lsl#2
|
| | 721 | + nop
|
| | 722 | + ldmfd sp!, {r4,r5,pc}
|
| | 723 | + b sendlcdc
|
| | 724 | + b sendlcdd
|
| | 725 | + b sendlcd2c
|
| | 726 | + b sendlcd2d
|
| | 727 | + b sleepms
|
| | 728 | +
|
| | 729 | +sendlcd2c:
|
| | 730 | + ldr r4, [r12,#0x1c]
|
| | 731 | + ands r4, r4, #0x10
|
| | 732 | + bne sendlcd2c
|
| | 733 | + mov r4, r0,lsr#8
|
| | 734 | + str r4, [r12,#0x04]
|
| | 735 | + and r0, r0, #0xff
|
| | 736 | +sendlcdc:
|
| | 737 | + ldr r4, [r12,#0x1c]
|
| | 738 | + ands r4, r4, #0x10
|
| | 739 | + bne sendlcdc
|
| | 740 | + str r0, [r12,#0x04]
|
| | 741 | + mov pc, lr
|
| | 742 | +sendlcd2d:
|
| | 743 | + ldr r4, [r12,#0x1c]
|
| | 744 | + ands r4, r4, #0x10
|
| | 745 | + bne sendlcd2d
|
| | 746 | + mov r4, r0,lsr#8
|
| | 747 | + str r4, [r12,#0x40]
|
| | 748 | + and r0, r0, #0xff
|
| | 749 | +sendlcdd:
|
| | 750 | + ldr r4, [r12,#0x1c]
|
| | 751 | + ands r4, r4, #0x10
|
| | 752 | + bne sendlcdd
|
| | 753 | + str r0, [r12,#0x40]
|
| | 754 | + mov pc, lr
|
| | 755 | +
|
| | 756 | +detectlcd:
|
| | 757 | + mov r12, #0x3c000000
|
| | 758 | + orr r12, r12, #0xf00000
|
| | 759 | + ldr r0, [r12,#0xd0]
|
| | 760 | + bic r0, r0, #0x0f
|
| | 761 | + str r0, [r12,#0xd0]
|
| | 762 | + ldr r0, [r12,#0xe0]
|
| | 763 | + bic r0, r0, #0xf0
|
| | 764 | + str r0, [r12,#0xe0]
|
| | 765 | + ldr r0, [r12,#0xd4]
|
| | 766 | + and r0, r0, #1
|
| | 767 | + ldr r1, [r12,#0xe4]
|
| | 768 | + and r1, r1, #2
|
| | 769 | + orr r0, r0, r1
|
| | 770 | + mov pc, lr
|
| | 771 | +
|
| | 772 | +getpowerok:
|
| | 773 | + stmfd sp!, {lr}
|
| | 774 | + mov r0, #0xe6
|
| | 775 | + mov r1, #0x19
|
| | 776 | + bl i2crecvbyte
|
| | 777 | + eor r0, r0, #1
|
| | 778 | + ands r0, r0, #1
|
| | 779 | + ldmnefd sp!, {pc}
|
| | 780 | + mov r0, #0xe6
|
| | 781 | + mov r1, #0x4b
|
| | 782 | + bl i2crecvbyte
|
| | 783 | + ands r0, r0, #4
|
| | 784 | + movne r0, #1
|
| | 785 | + ldmnefd sp!, {pc}
|
| | 786 | + mov r0, #0xe6
|
| | 787 | + mov r1, #0x12
|
| | 788 | + bl i2crecvbyte
|
| | 789 | + ands r0, r0, #4
|
| | 790 | + movne r0, #1
|
| | 791 | + ldmfd sp!, {pc}
|
| | 792 | +
|
| | 793 | +poweroff:
|
| | 794 | + mov r0, #0xe6
|
| | 795 | + mov r1, #0x0c
|
| | 796 | + mov r2, #0x01
|
| | 797 | + bl i2csendbyte
|
| | 798 | + b poweroff
|
| | 799 | +
|
| | 800 | +i2csendbyte:
|
| | 801 | + mov r3, #0
|
| | 802 | +@fallthrough
|
| | 803 | +
|
| | 804 | +i2csend:
|
| | 805 | + stmfd sp!, {r4,lr}
|
| | 806 | + mov r12, #0x3C000000
|
| | 807 | + add r12, r12, #0x00900000
|
| | 808 | + mov r4, #0
|
| | 809 | + str r4, [r12,#0x08]
|
| | 810 | + str r0, [r12,#0x0c]
|
| | 811 | + mov r4, #0xf0
|
| | 812 | + str r4, [r12,#0x04]
|
| | 813 | + mov r4, #0xf3
|
| | 814 | + str r4, [r12]
|
| | 815 | + bl i2cwait
|
| | 816 | + str r1, [r12,#0x0c]
|
| | 817 | + str r4, [r12]
|
| | 818 | + bl i2cwait
|
| | 819 | + movs r3, r3
|
| | 820 | + moveq r0, r2
|
| | 821 | +i2csend_write:
|
| | 822 | + ldrne r0, [r2], #1
|
| | 823 | + str r0, [r12,#0x0c]
|
| | 824 | + str r4, [r12]
|
| | 825 | + bl i2cwait
|
| | 826 | + subs r3, r3, #1
|
| | 827 | + bhi i2csend_write
|
| | 828 | + mov r0, #0xd0
|
| | 829 | + str r0, [r12,#0x04]
|
| | 830 | + str r4, [r12]
|
| | 831 | +i2csend_wait:
|
| | 832 | + ldr r0, [r12,#0x04]
|
| | 833 | + tst r0, #0x20
|
| | 834 | + bne i2csend_wait
|
| | 835 | + ldmfd sp!, {r4,pc}
|
| | 836 | +
|
| | 837 | +i2crecvbyte:
|
| | 838 | + mov r2, #0
|
| | 839 | + mov r3, #1
|
| | 840 | +@fallthrough
|
| | 841 | +
|
| | 842 | +i2crecv:
|
| | 843 | + stmfd sp!, {r0,r4,lr}
|
| | 844 | + mov r12, #0x3C000000
|
| | 845 | + add r12, r12, #0x00900000
|
| | 846 | + mov r4, #0
|
| | 847 | + str r4, [r12,#0x08]
|
| | 848 | + str r0, [r12,#0x0c]
|
| | 849 | + mov r4, #0xf0
|
| | 850 | + str r4, [r12,#0x04]
|
| | 851 | + mov r4, #0xf3
|
| | 852 | + str r4, [r12]
|
| | 853 | + bl i2cwait
|
| | 854 | + str r1, [r12,#0x0c]
|
| | 855 | + str r4, [r12]
|
| | 856 | + bl i2cwait
|
| | 857 | + ldr r0, [sp]
|
| | 858 | + orr r0, r0, #1
|
| | 859 | + str r1, [r12,#0x0c]
|
| | 860 | + mov r0, #0xb0
|
| | 861 | + str r0, [r12,#0x04]
|
| | 862 | + str r4, [r12]
|
| | 863 | + bl i2cwait
|
| | 864 | +i2crecv_read:
|
| | 865 | + subs r3, r3, #1
|
| | 866 | + moveq r4, #0x73
|
| | 867 | + str r4, [r12]
|
| | 868 | + bl i2cwait
|
| | 869 | + ldr r0, [r12,#0x0c]
|
| | 870 | + movs r2, r2
|
| | 871 | + strne r0, [r2], #1
|
| | 872 | + movs r3, r3
|
| | 873 | + bne i2crecv_read
|
| | 874 | + mov r1, #0x90
|
| | 875 | + str r1, [r12,#0x04]
|
| | 876 | + mov r1, #0xf3
|
| | 877 | + str r1, [r12]
|
| | 878 | +i2crecv_wait:
|
| | 879 | + ldr r1, [r12,#0x04]
|
| | 880 | + tst r1, #0x20
|
| | 881 | + bne i2crecv_wait
|
| | 882 | + ldmfd sp!, {r0,r4,pc}
|
| | 883 | +
|
| | 884 | +i2cwait:
|
| | 885 | + ldr r0, [r12]
|
| | 886 | + tst r0, #0x10
|
| | 887 | + beq i2cwait
|
| | 888 | + mov pc, lr
|
| | 889 | +
|
| | 890 | +
|
| | 891 | +sleep10ms:
|
| | 892 | + mov r0, #10
|
| | 893 | +@ fallthrough
|
| | 894 | +
|
| | 895 | +sleepms:
|
| | 896 | + mov r2, #0xc8
|
| | 897 | + mul r1, r0, r2
|
| | 898 | + mov r2, #0x3c000000
|
| | 899 | + orr r2, r2, #0x700000
|
| | 900 | + ldr r0, [r2,#0x80]
|
| | 901 | + ldr r0, [r2,#0x84]
|
| | 902 | + add r1, r1, r0
|
| | 903 | +sleepmsloop:
|
| | 904 | + ldr r0, [r2,#0x80]
|
| | 905 | + ldr r0, [r2,#0x84]
|
| | 906 | + cmp r0, r1
|
| | 907 | + bmi sleepmsloop
|
| | 908 | + mov pc, lr
|
| | 909 | +
|
| | 910 | + nop
|
| | 911 | + nop
|
| | 912 | +
|
| | 913 | +_stubend: |
| \ No newline at end of file |
| Index: apps/installer-nano2g/bootstub/ls.x |
| — | — | @@ -0,0 +1,15 @@ |
| | 2 | +OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
|
| | 3 | + "elf32-littlearm")
|
| | 4 | +OUTPUT_ARCH(arm)
|
| | 5 | +ENTRY(_start)
|
| | 6 | +
|
| | 7 | +SECTIONS
|
| | 8 | +{
|
| | 9 | + . = 0x22000000;
|
| | 10 | +
|
| | 11 | + .text :
|
| | 12 | + {
|
| | 13 | + *(.text)
|
| | 14 | + }
|
| | 15 | +
|
| | 16 | +}
|
