WebSVN – freemyipod – Blame – /apps/installer-ipodnano2g/bootstub/bootstub.S

Rev	Author	Line No.	Line
163	theseven	1	`@`
		2	`@`
		3	`@ emBIOS Loader for iPod Nano 2G`
		4	`@`
		5	`@ Copyright 2010 TheSeven`
		6	`@`
		7	`@`
		8	`@ This file is part of emBIOS.`
		9	`@`
		10	`@ emBIOS is free software: you can redistribute it and/or`
		11	`@ modify it under the terms of the GNU General Public License as`
		12	`@ published by the Free Software Foundation, either version 2 of the`
		13	`@ License, or (at your option) any later version.`
		14	`@`
		15	`@ emBIOS is distributed in the hope that it will be useful,`
		16	`@ but WITHOUT ANY WARRANTY; without even the implied warranty of`
		17	`@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.`
		18	`@ See the GNU General Public License for more details.`
		19	`@`
		20	`@ You should have received a copy of the GNU General Public License along`
		21	`@ with emBIOS. If not, see <http://www.gnu.org/licenses/>.`
		22	`@`
		23	`@`
		24
		25	`.global _start`
		26	`_start:`
		27
		28	`msr cpsr_c, #0xd3`
		29	`mrc p15, 0, r0,c1,c0`
		30	`bic r0, r0, #1`
		31	`mcr p15, 0, r0,c1,c0`
		32	`mov r0, #0`
		33	`mcr p15, 0, r0,c7,c5`
		34	`adr lr, cacheflush_done`
		35
		36	`flushcache:`
		37	`mov r0, #0`
		38	`flushcache_loop:`
		39	`mcr p15, 0, r0,c7,c14,2`
		40	`add r10, r0, #0x10`
		41	`mcr p15, 0, r10,c7,c14,2`
		42	`add r10, r10, #0x10`
		43	`mcr p15, 0, r10,c7,c14,2`
		44	`add r10, r10, #0x10`
		45	`mcr p15, 0, r10,c7,c14,2`
		46	`adds r0, r0, #0x04000000`
		47	`bne flushcache_loop`
		48	`mcr p15, 0, r0,c7,c10,4`
		49	`mov pc, lr`
		50
		51	`cacheflush_done:`
		52	`adr r0, _start`
196	theseven	53	`adr r1, _stubend + 4`
163	theseven	54	`mov r2, #0x22000000`
		55	`copyloop:`
		56	`cmp r1, r0`
		57	`ldrhi r3, [r0], #4`
		58	`strhi r3, [r2], #4`
		59	`bhi copyloop`
		60	`str r1, [r2]`
		61	`mov r0, #0x22000000`
		62	`add pc, r0, #sramstart - _start`
		63	`sramstart:`
		64
		65	`adr lr, values1`
		66	`ldmia lr!, {r0-r13}`
		67	`str r1, [r0,#0x88]`
		68	`str r2, [r0,#0xf0]`
		69	`str r4, [r3,#0x38]`
		70	`mov r1, #0`
		71	`str r7, [r0]`
		72	`str r1, [r0,#0x04]`
		73	`str r8, [r0,#0x10]`
		74	`str r1, [r0,#0x14]`
		75	`str r9, [r0,#0x20]`
		76	`str r1, [r0,#0x24]`
		77	`str r10, [r0,#0x30]`
		78	`str r1, [r0,#0x34]`
		79	`str r9, [r0,#0x40]`
		80	`str r1, [r0,#0x44]`
		81	`str r11, [r0,#0x50]`
		82	`str r1, [r0,#0x54]`
		83	`str r12, [r0,#0x60]`
		84	`str r1, [r0,#0x64]`
		85	`str r13, [r0,#0xa0]`
		86	`str r1, [r0,#0xa4]`
		87	`str r5, [r0,#0xb0]`
		88	`mov r3, #1`
		89	`str r3, [r0,#0xb4]`
		90	`str r6, [r0,#0xc0]`
		91	`ldmia lr, {r4-r14}`
		92	`str r1, [r0,#0xc4]`
		93	`str r6, [r0,#0xd0]`
		94	`str r1, [r0,#0xd4]`
		95	`str r6, [r0,#0xe0]`
		96	`str r1, [r0,#0xe4]`
		97	`str r7, [r0,#0xf0]`
		98	`str r1, [r0,#0xf4]`
		99	`ldr r3, [r8,#0x24]`
		100	`orr r3, r3, #3`
		101	`str r3, [r8,#0x24]`
		102	`ldr r3, [r8,#0x28]`
		103	`bic r3, r3, #0x4000`
		104	`str r3, [r8,#0x28]`
		105	`mov r3, #0x3C400000`
		106	`str r1, [r3]`
		107	`str r12, [r8,#0x0c]`
		108	`ldr r3, [r8,#0x24]`
		109	`orr r3, r3, #0x54`
		110	`str r3, [r8,#0x24]`
		111	`mov r3, #0x2000`
		112	`waitpll1:`
		113	`subs r3, r3, #1`
		114	`bne waitpll1`
		115	`ldr r3, [r8]`
		116	`bic r3, r3, r5`
		117	`orr r3, r3, r4`
		118	`str r3, [r8]`
		119	`ldr r3, [r8,#0x24]`
		120	`bic r3, r3, #1`
		121	`str r3, [r8,#0x24]`
		122	`mov r3, #0x84`
		123	`str r3, [r0,#0x68]`
		124	`str r13, [r8,#0x04]`
		125	`mov r3, #0xa000`
		126	`waitpll2:`
		127	`subs r3, r3, #1`
		128	`bne waitpll2`
		129	`ldr r3, [r8,#0x24]`
		130	`orr r3, r3, #1`
		131	`str r3, [r8,#0x24]`
		132	`mov r3, #0x6000`
		133	`waitpll3:`
		134	`subs r3, r3, #1`
		135	`bne waitpll3`
		136	`ldr r3, [r8]`
		137	`bic r3, r3, r9`
		138	`orr r3, r3, r10`
		139	`str r3, [r8]`
		140	`ldr r3, [r8,#0x3c]`
		141	`bic r3, r3, #0x400`
		142	`orr r3, r3, #0x280`
		143	`str r3, [r8,#0x3c]`
		144	`ldr r3, [r8,#0x10]`
		145	`bic r3, r3, #0x1f8`
		146	`orr r3, r3, #0x37`
		147	`str r3, [r8,#0x10]`
		148	`mrc p15, 0, r3,c1,c0`
		149	`orr r3, r3, #0xc0000000`
		150	`mcr p15, 0, r3,c1,c0`
		151	`str r11, [r8,#0x28]`
		152	`str r14, [r8,#0x40]`
		153	`sub r6, r0, #0x00800000`
		154	`mov r5, #0xf700`
		155	`str r5, [r6,#0x88]`
		156	`mov r5, #0x1100`
		157	`orr r5, r5, #0x11`
		158	`str r5, [r0,#0x88]`
		159	`add r4, r6, #0x00200000`
		160	`str r1, [r4,#0x08]`
194	theseven	161	`mov r5, #0xf3`
163	theseven	162	`str r5, [r4]`
		163	`mov r5, #0x10`
		164	`str r5, [r4,#0x04]`
		165	`b setuppmu`
		166
		167	`pmuinitdata:`
		168	`.byte 3, 0x39, 0x18, 0, 0x8c`
194	theseven	169	`.byte 9, 0x13, 3, 0, 0, 7, 0, 5, 2, 0x6b, 0`
163	theseven	170	`.byte 4, 0x1e, 0x12, 1, 0, 0x10`
		171	`.byte 6, 0x22, 0x2f, 1, 0, 0x10, 9, 1`
		172	`.byte 6, 0x31, 0x15, 1, 0x0f, 3, 0x15, 0`
		173	`.byte 1, 0x43, 0`
		174	`.byte 1, 0x4e, 0`
		175	`.byte 1, 0x58, 0`
		176	`.byte 5, 0x07, 0xb0, 0x0f, 0xfe, 0xfc, 0xff`
		177	`.byte 5, 0x0d, 0xdf, 0xaa, 0x4a, 5, 0x27`
		178	`.byte 0`
		179	`.align 2`
		180
		181	`val_006a49a5:`
		182	`.word 0x006a49a5`
		183
		184	`values1:`
		185	`.word 0x3CF00000 @ R0`
		186	`.word 0x00001111 @ R1`
		187	`.word 0x00000221 @ R2`
		188	`.word 0x38200000 @ R3`
		189	`val_00990999:`
		190	`.word 0x00990999 @ R4`
		191	`.word 0x41001111 @ R5`
		192	`.word 0x11114444 @ R6`
		193	`.word 0x11221111 @ R7`
		194	`.word 0x11001744 @ R8`
		195	`.word 0x33333333 @ R9`
		196	`.word 0x11113333 @ R10`
		197	`.word 0x77721151 @ R11`
		198	`.word 0x12111111 @ R12`
		199	`.word 0x11111000 @ R13`
		200	`.word 0x60007000 @ R4`
		201	`.word 0x7F007F00 @ R5`
		202	`.word 0x44444444 @ R6`
		203	`.word 0x22222221 @ R7`
		204	`.word 0x3C500000 @ R8`
		205	`.word 0xFF00FF00 @ R9`
		206	`.word 0x20803180 @ R10`
		207	`.word 0xFFDFF7CF @ R11`
		208	`.word 0x00061800 @ R12`
		209	`.word 0x00021200 @ R13`
		210	`.word 0xFFFFEF7E @ R14`
		211
		212	`setuppmu:`
		213	`mov sp, pc`
		214	`bl getpowerok`
		215	`beq poweroff`
		216	`adr r2, pmuinitdata`
		217	`pmuinitloop:`
		218	`ldrb r3, [r2], #1`
		219	`movs r3, r3`
		220	`beq pmuinitdone`
		221	`ldrb r1, [r2], #1`
		222	`mov r0, #0xe6`
		223	`bl i2csend`
		224	`b pmuinitloop`
		225	`pmuinitdone:`
		226	`orr r12, r12, #0x00600000`
		227	`mov r1, #1`
		228	`ldr r0, [r12,#0x100]`
		229	`bic r0, r0, #0x0f`
		230	`orr r0, r0, #1`
		231	`str r0, [r12,#0x100]`
		232	`str r1, [r12,#0x10c]`
		233	`sub r11, r12, #0x04d00000`
		234	`ldr r0, [r11,#0x80]`
		235	`bic r0, r0, #0x20000`
		236	`str r0, [r11,#0x80]`
		237	`ldr r0, [r11]`
		238	`bic r0, r0, #0xc00`
		239	`orr r0, r0, #0x500`
		240	`str r0, [r11]`
		241	`mov r0, #3`
		242	`str r0, [r11,#0x04]`
		243	`mov r0, #1`
		244	`bl sleepms`
		245	`mov r0, #0x200`
		246	`orr r0, r0, #0xed`
		247	`str r0, [r11,#0x08]`
		248	`ldr r0, val_006a49a5`
		249	`str r0, [r11,#0x10]`
		250	`mov r0, #0x37`
		251	`str r0, [r11,#0x0c]`
		252	`ldr r1, [r11,#0x04]`
		253	`bic r1, r1, #0x700`
		254	`orr r0, r1, #0x200`
		255	`str r0, [r11,#0x04]`
		256	`orr r0, r1, #0x300`
		257	`str r0, [r11,#0x04]`
		258	`str r0, [r11,#0x04]`
		259	`orr r0, r1, #0x100`
		260	`str r0, [r11,#0x04]`
		261	`orr r0, r1, #0x500`
		262	`str r0, [r11,#0x04]`
		263	`ldr r0, [r11,#0x08]`
		264	`orr r0, r0, #0x1000`
		265	`str r0, [r11,#0x08]`
		266	`ldr r0, val_00990999`
		267	`str r0, [r11,#0x38]`
		268	`ldr r0, [r12,#0xf0]`
		269	`bic r0, r0, #0xff000000`
		270	`bic r0, r0, #0x00ff0000`
		271	`orr r0, r0, #0x22000000`
		272	`orr r0, r0, #0x00220000`
		273	`str r0, [r12,#0xf0]`
		274	`mov r0, #0xf0`
		275	`str r0, [r12,#0xfc]`
		276	`sub r10, r12, #0x00d00000`
		277	`ldr r0, [r10]`
		278	`mov r0, r0,lsr#20`
		279	`mov r0, r0,lsl#20`
		280	`str r0, [r10]`
		281	`mov r1, #0x3a000`
		282	`orr r1, r1, #0x980`
		283	`str r1, [r10,#0x08]`
		284	`orr r0, r0, #0x300000`
		285	`str r0, [r10]`
		286	`bl initlcd`
		287	`mov r0, #0x3f`
		288	`mcr p15, 0, r0,c6,c0,1 @ CS0: 4GB at offset 0 - everything`
		289	`mcr p15, 0, r0,c6,c0,0 @ DS0: 4GB at offset 0 - everything`
		290	`mov r0, #0x31`
		291	`mcr p15, 0, r0,c6,c1,1 @ CS1: SRAM/SDRAM mirror`
		292	`mcr p15, 0, r0,c6,c1,0 @ DS1: SRAM/SDRAM mirror`
		293	`add r0, r0, #0x08000000`
		294	`mcr p15, 0, r0,c6,c2,1 @ CS2: SDRAM`
		295	`mcr p15, 0, r0,c6,c2,0 @ DS2: SDRAM`
		296	`mov r0, #0x23`
		297	`add r0, r0, #0x22000000`
		298	`mcr p15, 0, r0,c6,c3,1 @ CS3: SRAM`
		299	`mcr p15, 0, r0,c6,c3,0 @ DS3: SRAM`
		300	`mov r0, #0x27`
		301	`add r0, r0, #0x24000000`
		302	`mcr p15, 0, r0,c6,c4,1 @ CS4: NOR flash`
		303	`mcr p15, 0, r0,c6,c4,0 @ DS4: NOR flash`
		304	`mcr p15, 0, r1,c6,c5,1 @ CS5: unused`
		305	`mcr p15, 0, r1,c6,c5,0 @ DS5: unused`
		306	`mcr p15, 0, r1,c6,c6,1 @ CS6: unused`
		307	`mcr p15, 0, r1,c6,c6,0 @ DS6: unused`
		308	`mcr p15, 0, r1,c6,c7,1 @ CS7: unused`
		309	`mcr p15, 0, r1,c6,c7,0 @ DS7: unused`
		310	`mov r0, #0x1e`
		311	`mcr p15, 0, r0,c2,c0, 1 @ CS1-4: cacheable`
		312	`mcr p15, 0, r0,c2,c0, 0 @ DS1-4: cacheable`
		313	`mcr p15, 0, r0,c3,c0, 0 @ DS1-4: write cacheable`
		314	`mov r0, #0x300`
		315	`add r0, r0, #0xff`
		316	`mcr p15, 0, r0,c5,c0, 1 @ CS0-4: full access`
		317	`mcr p15, 0, r0,c5,c0, 0 @ DS0-4: full access`
		318	`mrc p15, 0, r0,c1,c0`
		319	`orr r0, r0, #5`
		320	`orr r0, r0, #0x1000`
		321	`mcr p15, 0, r0,c1,c0 @ Re-enable the Protection Unit and caches`
170	theseven	322	`mov r0, #0xe6`
196	theseven	323	`mov r1, #0x2a`
		324	`mov r2, #6`
		325	`bl i2csendbyte`
		326	`mov r0, #0xe6`
170	theseven	327	`mov r1, #0x2b`
		328	`mov r2, #4`
		329	`bl i2csendbyte`
		330	`mov r0, #0xe6`
		331	`mov r1, #0x28`
		332	`mov r2, #10`
		333	`bl i2csendbyte`
		334	`mov r0, #0xe6`
		335	`mov r1, #0x29`
		336	`mov r2, #1`
		337	`bl i2csendbyte`
413	theseven	338	`ldr r1, _stubend + 4`
163	theseven	339	`ldr r0, _stubend`
165	theseven	340	`add r0, r1, r0`
163	theseven	341	`mov r2, #0x08000000`
		342	`movepayloadloop:`
165	theseven	343	`cmp r0, r1`
		344	`ldrhi r3, [r1], #4`
163	theseven	345	`strhi r3, [r2], #4`
		346	`bhi movepayloadloop`
165	theseven	347	`bl flushcache`
		348	`mcr p15, 0, r0,c7,c5`
163	theseven	349	`mov pc, #0x08000000`
		350
		351
		352	`lcd_inittab_type2:`
		353	`.byte 5, 10`
		354	`.byte 3, 0xa4`
		355	`.byte 4, 0x01`
		356	`.byte 5, 150`
		357	`.byte 3, 0x01`
		358	`.byte 2, 0x01`
		359	`.byte 2, 0x00`
		360	`.byte 3, 0x02`
		361	`.byte 2, 0x03`
		362	`.byte 2, 0x00`
		363	`.byte 3, 0x03`
		364	`.byte 2, 0x12`
		365	`.byte 2, 0x30`
		366	`.byte 3, 0x08`
		367	`.byte 2, 0x04`
		368	`.byte 2, 0x04`
		369	`.byte 3, 0x0e`
		370	`.byte 4, 0x10`
		371	`.byte 3, 0x70`
		372	`.byte 2, 0x10`
		373	`.byte 2, 0x00`
		374	`.byte 3, 0x71`
		375	`.byte 4, 0x01`
		376	`.byte 3, 0x30`
		377	`.byte 4, 0x02`
		378	`.byte 3, 0x31`
		379	`.byte 2, 0x04`
		380	`.byte 2, 0x00`
		381	`.byte 3, 0x32`
		382	`.byte 4, 0x07`
		383	`.byte 3, 0x33`
		384	`.byte 2, 0x05`
		385	`.byte 2, 0x00`
		386	`.byte 3, 0x34`
		387	`.byte 4, 0x07`
		388	`.byte 3, 0x35`
		389	`.byte 2, 0x07`
		390	`.byte 2, 0x03`
		391	`.byte 3, 0x36`
		392	`.byte 2, 0x05`
		393	`.byte 2, 0x07`
		394	`.byte 3, 0x37`
		395	`.byte 4, 0x05`
		396	`.byte 3, 0x38`
		397	`.byte 2, 0x14`
		398	`.byte 2, 0x04`
		399	`.byte 3, 0x39`
		400	`.byte 4, 0x0e`
		401	`.byte 3, 0x40`
		402	`.byte 2, 0x02`
		403	`.byte 2, 0x02`
		404	`.byte 3, 0x41`
		405	`.byte 4, 0x03`
		406	`.byte 3, 0x42`
		407	`.byte 4, 0x00`
		408	`.byte 3, 0x43`
		409	`.byte 2, 0x02`
		410	`.byte 2, 0x00`
		411	`.byte 3, 0x44`
		412	`.byte 2, 0x07`
		413	`.byte 2, 0x07`
		414	`.byte 3, 0x45`
		415	`.byte 2, 0x04`
		416	`.byte 2, 0x07`
		417	`.byte 3, 0x46`
		418	`.byte 2, 0x05`
		419	`.byte 2, 0x05`
		420	`.byte 3, 0x47`
		421	`.byte 4, 0x02`
		422	`.byte 3, 0x48`
		423	`.byte 4, 0x04`
		424	`.byte 3, 0x49`
		425	`.byte 4, 0x04`
		426	`.byte 3, 0x60`
		427	`.byte 2, 0x02`
		428	`.byte 2, 0x02`
		429	`.byte 3, 0x61`
		430	`.byte 4, 0x03`
		431	`.byte 3, 0x62`
		432	`.byte 4, 0x00`
		433	`.byte 3, 0x63`
		434	`.byte 2, 0x02`
		435	`.byte 2, 0x00`
		436	`.byte 3, 0x64`
		437	`.byte 2, 0x07`
		438	`.byte 2, 0x07`
		439	`.byte 3, 0x65`
		440	`.byte 2, 0x04`
		441	`.byte 2, 0x07`
		442	`.byte 3, 0x66`
		443	`.byte 2, 0x05`
		444	`.byte 2, 0x05`
		445	`.byte 3, 0x68`
		446	`.byte 4, 0x04`
		447	`.byte 3, 0x69`
		448	`.byte 4, 0x04`
		449	`.byte 3, 0x07`
		450	`.byte 4, 0x01`
		451	`.byte 3, 0x18`
		452	`.byte 4, 0x01`
		453	`.byte 3, 0x10`
		454	`.byte 2, 0x16`
		455	`.byte 2, 0x90`
		456	`.byte 3, 0x11`
		457	`.byte 2, 0x01`
		458	`.byte 2, 0x00`
		459	`.byte 3, 0x12`
		460	`.byte 2, 0x01`
		461	`.byte 2, 0x17`
		462	`.byte 3, 0x13`
		463	`.byte 2, 0x0f`
		464	`.byte 2, 0x80`
		465	`.byte 3, 0x12`
		466	`.byte 2, 0x01`
		467	`.byte 2, 0x37`
		468	`.byte 3, 0x20`
		469	`.byte 4, 0x00`
		470	`.byte 3, 0x21`
		471	`.byte 4, 0x00`
		472	`.byte 3, 0x50`
		473	`.byte 4, 0x00`
		474	`.byte 3, 0x51`
		475	`.byte 4, 0xaf`
		476	`.byte 3, 0x52`
		477	`.byte 4, 0x00`
		478	`.byte 3, 0x53`
		479	`.byte 4, 0x83`
		480	`.byte 3, 0x90`
		481	`.byte 4, 0x03`
		482	`.byte 3, 0x91`
		483	`.byte 4, 0x00`
		484	`.byte 3, 0x92`
		485	`.byte 2, 0x01`
		486	`.byte 2, 0x01`
		487	`.byte 3, 0x98`
		488	`.byte 2, 0x04`
		489	`.byte 2, 0x00`
		490	`.byte 3, 0x99`
		491	`.byte 2, 0x13`
		492	`.byte 2, 0x02`
		493	`.byte 3, 0x9a`
		494	`.byte 2, 0x02`
		495	`.byte 2, 0x02`
		496	`.byte 3, 0x9b`
		497	`.byte 2, 0x02`
		498	`.byte 2, 0x00`
		499	`.byte 5, 100`
		500	`.byte 3, 0x07`
		501	`.byte 4, 0x21`
		502	`.byte 3, 0x12`
		503	`.byte 2, 0x01`
		504	`.byte 2, 0x37`
		505	`.byte 5, 1`
		506	`.byte 3, 0x07`
		507	`.byte 4, 0x21`
		508	`.byte 3, 0x12`
		509	`.byte 2, 0x11`
		510	`.byte 2, 0x37`
		511	`.byte 5, 100`
		512	`.byte 3, 0x07`
		513	`.byte 2, 0x02`
		514	`.byte 2, 0x33`
		515	`.byte 0`
		516
		517	`lcd_inittab_type3:`
		518	`.byte 1, 0x01`
		519	`.byte 5, 5`
		520	`.byte 1, 0x11`
		521	`.byte 5, 120`
		522	`.byte 1, 0x3a`
		523	`.byte 2, 0x65`
		524	`.byte 1, 0xab`
		525	`.byte 1, 0x35`
		526	`.byte 2, 0x00`
		527	`.byte 1, 0xf2`
		528	`.byte 2, 0x01`
		529	`.byte 1, 0xe0`
		530	`.byte 2, 0x71`
		531	`.byte 2, 0x76`
		532	`.byte 2, 0x25`
		533	`.byte 2, 0x01`
		534	`.byte 2, 0xa5`
		535	`.byte 2, 0x09`
		536	`.byte 2, 0x15`
		537	`.byte 2, 0x11`
		538	`.byte 1, 0xe1`
		539	`.byte 2, 0x40`
		540	`.byte 2, 0x21`
		541	`.byte 2, 0x64`
		542	`.byte 2, 0x13`
		543	`.byte 2, 0xf3`
		544	`.byte 2, 0x0b`
		545	`.byte 2, 0x00`
		546	`.byte 2, 0x00`
		547	`.byte 1, 0xe2`
		548	`.byte 2, 0x71`
		549	`.byte 2, 0x65`
		550	`.byte 2, 0x24`
		551	`.byte 2, 0x08`
		552	`.byte 2, 0x97`
		553	`.byte 2, 0x01`
		554	`.byte 2, 0x15`
		555	`.byte 2, 0x11`
		556	`.byte 1, 0xe3`
		557	`.byte 2, 0x51`
		558	`.byte 2, 0x01`
		559	`.byte 2, 0x62`
		560	`.byte 2, 0x13`
		561	`.byte 2, 0xf3`
		562	`.byte 2, 0x0b`
		563	`.byte 2, 0x00`
		564	`.byte 2, 0x00`
		565	`.byte 1, 0xe4`
		566	`.byte 2, 0x71`
		567	`.byte 2, 0x57`
		568	`.byte 2, 0x31`
		569	`.byte 2, 0x01`
		570	`.byte 2, 0x82`
		571	`.byte 2, 0x04`
		572	`.byte 2, 0x1f`
		573	`.byte 2, 0x11`
		574	`.byte 1, 0xe5`
		575	`.byte 2, 0x64`
		576	`.byte 2, 0x41`
		577	`.byte 2, 0x64`
		578	`.byte 2, 0x19`
		579	`.byte 2, 0xb3`
		580	`.byte 2, 0x09`
		581	`.byte 2, 0x00`
		582	`.byte 2, 0x00`
		583	`.byte 1, 0x29`
		584	`.byte 0`
		585
		586	`lcd_inittab_type7:`
		587	`.byte 1, 0x01`
		588	`.byte 5, 10`
		589	`.byte 1, 0xb4`
		590	`.byte 2, 0x00`
		591	`.byte 1, 0xb6`
		592	`.byte 2, 0x01`
		593	`.byte 1, 0xb7`
		594	`.byte 2, 0x00`
		595	`.byte 2, 0x00`
		596	`.byte 2, 0x02`
		597	`.byte 2, 0x00`
		598	`.byte 2, 0x06`
		599	`.byte 2, 0x26`
		600	`.byte 2, 0x2d`
		601	`.byte 2, 0x27`
		602	`.byte 2, 0x55`
		603	`.byte 2, 0x27`
		604	`.byte 1, 0xb8`
		605	`.byte 2, 0x10`
		606	`.byte 1, 0xb9`
		607	`.byte 2, 0x52`
		608	`.byte 2, 0x12`
		609	`.byte 2, 0x03`
		610	`.byte 1, 0xc0`
		611	`.byte 2, 0x0a`
		612	`.byte 2, 0x10`
		613	`.byte 2, 0x10`
		614	`.byte 1, 0xc2`
		615	`.byte 2, 0x14`
		616	`.byte 2, 0x23`
		617	`.byte 1, 0xc3`
		618	`.byte 2, 0x12`
		619	`.byte 2, 0x23`
		620	`.byte 1, 0xc6`
		621	`.byte 2, 0x48`
		622	`.byte 1, 0xe0`
		623	`.byte 2, 0x20`
		624	`.byte 2, 0x71`
		625	`.byte 2, 0x17`
		626	`.byte 2, 0x09`
		627	`.byte 2, 0x70`
		628	`.byte 2, 0x0c`
		629	`.byte 2, 0x13`
		630	`.byte 2, 0x25`
		631	`.byte 1, 0xe1`
		632	`.byte 2, 0x37`
		633	`.byte 2, 0x00`
		634	`.byte 2, 0x63`
		635	`.byte 2, 0x11`
		636	`.byte 2, 0xd9`
		637	`.byte 2, 0x00`
		638	`.byte 2, 0x12`
		639	`.byte 2, 0x01`
		640	`.byte 1, 0xe2`
		641	`.byte 2, 0x42`
		642	`.byte 2, 0x42`
		643	`.byte 2, 0x60`
		644	`.byte 2, 0x08`
		645	`.byte 2, 0xb4`
		646	`.byte 2, 0x07`
		647	`.byte 2, 0x0e`
		648	`.byte 2, 0x90`
		649	`.byte 1, 0xe3`
		650	`.byte 2, 0x47`
		651	`.byte 2, 0x60`
		652	`.byte 2, 0x66`
		653	`.byte 2, 0x09`
		654	`.byte 2, 0x6a`
		655	`.byte 2, 0x02`
		656	`.byte 2, 0x0e`
		657	`.byte 2, 0x09`
		658	`.byte 1, 0xe4`
		659	`.byte 2, 0x11`
		660	`.byte 2, 0x40`
		661	`.byte 2, 0x03`
		662	`.byte 2, 0x0a`
		663	`.byte 2, 0xc1`
		664	`.byte 2, 0x0d`
		665	`.byte 2, 0x17`
		666	`.byte 2, 0x30`
		667	`.byte 1, 0xe5`
		668	`.byte 2, 0x00`
		669	`.byte 2, 0x30`
		670	`.byte 2, 0x77`
		671	`.byte 2, 0x1c`
		672	`.byte 2, 0xfb`
		673	`.byte 2, 0x00`
		674	`.byte 2, 0x13`
		675	`.byte 2, 0x07`
		676	`.byte 1, 0xe6`
		677	`.byte 2, 0x01`
		678	`.byte 1, 0x35`
		679	`.byte 2, 0x00`
		680	`.byte 1, 0x36`
		681	`.byte 2, 0x00`
		682	`.byte 1, 0xf2`
		683	`.byte 2, 0x40`
		684	`.byte 1, 0xf3`
		685	`.byte 2, 0x50`
		686	`.byte 1, 0xfb`
		687	`.byte 2, 0x01`
		688	`.byte 1, 0x11`
		689	`.byte 5, 200`
		690	`.byte 1, 0xb1`
		691	`.byte 2, 0x16`
		692	`.byte 2, 0x03`
		693	`.byte 1, 0xb2`
		694	`.byte 2, 0x17`
		695	`.byte 2, 0x03`
		696	`.byte 1, 0x3a`
		697	`.byte 2, 0x65`
		698	`.byte 1, 0x29`
		699	`.byte 0`
		700
		701	`.align 2`
		702
		703	`lcd_initmapping:`
		704	`.word lcd_inittab_type3 - lcd_initmapping_ref`
		705	`.word lcd_inittab_type7 - lcd_initmapping_ref`
		706	`.word lcd_inittab_type2 - lcd_initmapping_ref`
		707	`.word lcd_inittab_type3 - lcd_initmapping_ref`
		708
		709	`initlcd:`
		710	`stmfd sp!, {r4,r5,lr}`
		711	`bl detectlcd`
		712	`sub r12, r12, #0x04900000`
		713	`adr r5, lcd_initmapping`
		714	`add r5, r5, r0,lsl#2`
		715	`ldr r5, [r5]`
		716	`add r5, r5, pc`
		717	`mov r0, #0xc00`
		718	`lcd_initmapping_ref:`
		719	`orr r0, r0, #1`
		720	`str r0, [r12]`
		721	`mov r0, #0x7f00`
		722	`orr r0, r0, #0xff`
		723	`str r0, [r12,#0x24]`
		724	`mov r0, #0`
		725	`str r0, [r12,#0x28]`
		726	`mov r0, #1`
		727	`bl sleepms`
		728	`mov r0, #1`
		729	`str r0, [r12,#0x28]`
		730	`mov r0, #5`
		731	`bl sleepms`
		732	`initlcd_loop:`
		733	`adr lr, initlcd_loop`
		734	`ldrb r1, [r5], #1`
		735	`ldrb r0, [r5], #1`
		736	`add pc, pc, r1,lsl#2`
		737	`nop`
		738	`ldmfd sp!, {r4,r5,pc}`
		739	`b sendlcdc`
		740	`b sendlcdd`
		741	`b sendlcd2c`
		742	`b sendlcd2d`
		743	`b sleepms`
		744
		745	`sendlcd2c:`
		746	`ldr r4, [r12,#0x1c]`
		747	`ands r4, r4, #0x10`
		748	`bne sendlcd2c`
		749	`mov r4, r0,lsr#8`
		750	`str r4, [r12,#0x04]`
		751	`and r0, r0, #0xff`
		752	`sendlcdc:`
		753	`ldr r4, [r12,#0x1c]`
		754	`ands r4, r4, #0x10`
		755	`bne sendlcdc`
		756	`str r0, [r12,#0x04]`
		757	`mov pc, lr`
		758	`sendlcd2d:`
		759	`ldr r4, [r12,#0x1c]`
		760	`ands r4, r4, #0x10`
		761	`bne sendlcd2d`
		762	`mov r4, r0,lsr#8`
		763	`str r4, [r12,#0x40]`
		764	`and r0, r0, #0xff`
		765	`sendlcdd:`
		766	`ldr r4, [r12,#0x1c]`
		767	`ands r4, r4, #0x10`
		768	`bne sendlcdd`
		769	`str r0, [r12,#0x40]`
		770	`mov pc, lr`
		771
		772	`detectlcd:`
		773	`mov r12, #0x3c000000`
		774	`orr r12, r12, #0xf00000`
		775	`ldr r0, [r12,#0xd0]`
		776	`bic r0, r0, #0x0f`
		777	`str r0, [r12,#0xd0]`
		778	`ldr r0, [r12,#0xe0]`
		779	`bic r0, r0, #0xf0`
		780	`str r0, [r12,#0xe0]`
		781	`ldr r0, [r12,#0xd4]`
		782	`and r0, r0, #1`
		783	`ldr r1, [r12,#0xe4]`
		784	`and r1, r1, #2`
		785	`orr r0, r0, r1`
		786	`mov pc, lr`
		787
		788	`getpowerok:`
		789	`stmfd sp!, {lr}`
		790	`mov r0, #0xe6`
		791	`mov r1, #0x19`
		792	`bl i2crecvbyte`
		793	`eor r0, r0, #1`
		794	`ands r0, r0, #1`
		795	`ldmnefd sp!, {pc}`
		796	`mov r0, #0xe6`
		797	`mov r1, #0x4b`
		798	`bl i2crecvbyte`
		799	`ands r0, r0, #4`
		800	`movne r0, #1`
		801	`ldmnefd sp!, {pc}`
		802	`mov r0, #0xe6`
		803	`mov r1, #0x12`
		804	`bl i2crecvbyte`
		805	`ands r0, r0, #4`
		806	`movne r0, #1`
		807	`ldmfd sp!, {pc}`
		808
		809	`poweroff:`
		810	`mov r0, #0xe6`
		811	`mov r1, #0x0c`
		812	`mov r2, #0x01`
		813	`bl i2csendbyte`
		814	`b poweroff`
		815
		816	`i2csendbyte:`
		817	`mov r3, #0`
		818	`@fallthrough`
		819
		820	`i2csend:`
		821	`stmfd sp!, {r4,lr}`
		822	`mov r12, #0x3C000000`
		823	`add r12, r12, #0x00900000`
		824	`mov r4, #0`
		825	`str r4, [r12,#0x08]`
		826	`str r0, [r12,#0x0c]`
		827	`mov r4, #0xf0`
		828	`str r4, [r12,#0x04]`
187	theseven	829	`mov r4, #0xb7`
163	theseven	830	`str r4, [r12]`
		831	`bl i2cwait`
		832	`str r1, [r12,#0x0c]`
		833	`str r4, [r12]`
		834	`bl i2cwait`
		835	`movs r3, r3`
		836	`moveq r0, r2`
		837	`i2csend_write:`
		838	`ldrne r0, [r2], #1`
		839	`str r0, [r12,#0x0c]`
		840	`str r4, [r12]`
		841	`bl i2cwait`
		842	`subs r3, r3, #1`
		843	`bhi i2csend_write`
		844	`mov r0, #0xd0`
		845	`str r0, [r12,#0x04]`
		846	`str r4, [r12]`
		847	`i2csend_wait:`
		848	`ldr r0, [r12,#0x04]`
		849	`tst r0, #0x20`
		850	`bne i2csend_wait`
		851	`ldmfd sp!, {r4,pc}`
		852
		853	`i2crecvbyte:`
		854	`mov r2, #0`
		855	`mov r3, #1`
		856	`@fallthrough`
		857
		858	`i2crecv:`
		859	`stmfd sp!, {r0,r4,lr}`
		860	`mov r12, #0x3C000000`
		861	`add r12, r12, #0x00900000`
		862	`mov r4, #0`
		863	`str r4, [r12,#0x08]`
		864	`str r0, [r12,#0x0c]`
		865	`mov r4, #0xf0`
		866	`str r4, [r12,#0x04]`
187	theseven	867	`mov r4, #0xb7`
163	theseven	868	`str r4, [r12]`
		869	`bl i2cwait`
		870	`str r1, [r12,#0x0c]`
		871	`str r4, [r12]`
		872	`bl i2cwait`
		873	`ldr r0, [sp]`
		874	`orr r0, r0, #1`
		875	`str r1, [r12,#0x0c]`
		876	`mov r0, #0xb0`
		877	`str r0, [r12,#0x04]`
		878	`str r4, [r12]`
		879	`bl i2cwait`
		880	`i2crecv_read:`
		881	`subs r3, r3, #1`
187	theseven	882	`moveq r4, #0x37`
163	theseven	883	`str r4, [r12]`
		884	`bl i2cwait`
		885	`ldr r0, [r12,#0x0c]`
		886	`movs r2, r2`
		887	`strne r0, [r2], #1`
		888	`movs r3, r3`
		889	`bne i2crecv_read`
		890	`mov r1, #0x90`
		891	`str r1, [r12,#0x04]`
187	theseven	892	`mov r1, #0xb7`
163	theseven	893	`str r1, [r12]`
		894	`i2crecv_wait:`
		895	`ldr r1, [r12,#0x04]`
		896	`tst r1, #0x20`
		897	`bne i2crecv_wait`
		898	`ldmfd sp!, {r0,r4,pc}`
		899
		900	`i2cwait:`
		901	`ldr r0, [r12]`
		902	`tst r0, #0x10`
		903	`beq i2cwait`
		904	`mov pc, lr`
		905
		906
		907	`sleep10ms:`
		908	`mov r0, #10`
		909	`@ fallthrough`
		910
		911	`sleepms:`
		912	`mov r2, #0xc8`
		913	`mul r1, r0, r2`
		914	`mov r2, #0x3c000000`
		915	`orr r2, r2, #0x700000`
		916	`ldr r0, [r2,#0x80]`
		917	`ldr r0, [r2,#0x84]`
		918	`add r1, r1, r0`
		919	`sleepmsloop:`
		920	`ldr r0, [r2,#0x80]`
		921	`ldr r0, [r2,#0x84]`
		922	`cmp r0, r1`
		923	`bmi sleepmsloop`
		924	`mov pc, lr`
		925
		926	`_stubend:`

Subversion Repositories freemyipod

(root)/apps/installer-ipodnano2g/bootstub/bootstub.S – Rev 551