Commit b736e4b929197b5141b883f4f3906c4bd38dd4f3
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ARM: Fix start.S when used with SPL in arm1136
This patch modifies start.S for the arm1136 to make it conform to start.S in armv7 architecture, to make it usable if the SPL framework is used. Signed-off-by: Stefano Babic <sbabic@denx.de>
Showing 3 changed files with 24 additions and 11 deletions Inline Diff
arch/arm/cpu/arm1136/start.S
1 | /* | 1 | /* |
2 | * armboot - Startup Code for OMP2420/ARM1136 CPU-core | 2 | * armboot - Startup Code for OMP2420/ARM1136 CPU-core |
3 | * | 3 | * |
4 | * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com> | 4 | * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com> |
5 | * | 5 | * |
6 | * Copyright (c) 2001 Marius Gröger <mag@sysgo.de> | 6 | * Copyright (c) 2001 Marius Gröger <mag@sysgo.de> |
7 | * Copyright (c) 2002 Alex Züpke <azu@sysgo.de> | 7 | * Copyright (c) 2002 Alex Züpke <azu@sysgo.de> |
8 | * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de> | 8 | * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de> |
9 | * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com> | 9 | * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com> |
10 | * Copyright (c) 2003 Kshitij <kshitij@ti.com> | 10 | * Copyright (c) 2003 Kshitij <kshitij@ti.com> |
11 | * | 11 | * |
12 | * See file CREDITS for list of people who contributed to this | 12 | * See file CREDITS for list of people who contributed to this |
13 | * project. | 13 | * project. |
14 | * | 14 | * |
15 | * This program is free software; you can redistribute it and/or | 15 | * This program is free software; you can redistribute it and/or |
16 | * modify it under the terms of the GNU General Public License as | 16 | * modify it under the terms of the GNU General Public License as |
17 | * published by the Free Software Foundation; either version 2 of | 17 | * published by the Free Software Foundation; either version 2 of |
18 | * the License, or (at your option) any later version. | 18 | * the License, or (at your option) any later version. |
19 | * | 19 | * |
20 | * This program is distributed in the hope that it will be useful, | 20 | * This program is distributed in the hope that it will be useful, |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 | * GNU General Public License for more details. | 23 | * GNU General Public License for more details. |
24 | * | 24 | * |
25 | * You should have received a copy of the GNU General Public License | 25 | * You should have received a copy of the GNU General Public License |
26 | * along with this program; if not, write to the Free Software | 26 | * along with this program; if not, write to the Free Software |
27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | 27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
28 | * MA 02111-1307 USA | 28 | * MA 02111-1307 USA |
29 | */ | 29 | */ |
30 | 30 | ||
31 | #include <asm-offsets.h> | 31 | #include <asm-offsets.h> |
32 | #include <config.h> | 32 | #include <config.h> |
33 | #include <version.h> | 33 | #include <version.h> |
34 | .globl _start | 34 | .globl _start |
35 | _start: b reset | 35 | _start: b reset |
36 | #ifdef CONFIG_SPL_BUILD | 36 | #ifdef CONFIG_SPL_BUILD |
37 | ldr pc, _hang | 37 | ldr pc, _hang |
38 | ldr pc, _hang | 38 | ldr pc, _hang |
39 | ldr pc, _hang | 39 | ldr pc, _hang |
40 | ldr pc, _hang | 40 | ldr pc, _hang |
41 | ldr pc, _hang | 41 | ldr pc, _hang |
42 | ldr pc, _hang | 42 | ldr pc, _hang |
43 | ldr pc, _hang | 43 | ldr pc, _hang |
44 | 44 | ||
45 | _hang: | 45 | _hang: |
46 | .word do_hang | 46 | .word do_hang |
47 | .word 0x12345678 | 47 | .word 0x12345678 |
48 | .word 0x12345678 | 48 | .word 0x12345678 |
49 | .word 0x12345678 | 49 | .word 0x12345678 |
50 | .word 0x12345678 | 50 | .word 0x12345678 |
51 | .word 0x12345678 | 51 | .word 0x12345678 |
52 | .word 0x12345678 | 52 | .word 0x12345678 |
53 | .word 0x12345678 /* now 16*4=64 */ | 53 | .word 0x12345678 /* now 16*4=64 */ |
54 | #else | 54 | #else |
55 | ldr pc, _undefined_instruction | 55 | ldr pc, _undefined_instruction |
56 | ldr pc, _software_interrupt | 56 | ldr pc, _software_interrupt |
57 | ldr pc, _prefetch_abort | 57 | ldr pc, _prefetch_abort |
58 | ldr pc, _data_abort | 58 | ldr pc, _data_abort |
59 | ldr pc, _not_used | 59 | ldr pc, _not_used |
60 | ldr pc, _irq | 60 | ldr pc, _irq |
61 | ldr pc, _fiq | 61 | ldr pc, _fiq |
62 | 62 | ||
63 | _undefined_instruction: .word undefined_instruction | 63 | _undefined_instruction: .word undefined_instruction |
64 | _software_interrupt: .word software_interrupt | 64 | _software_interrupt: .word software_interrupt |
65 | _prefetch_abort: .word prefetch_abort | 65 | _prefetch_abort: .word prefetch_abort |
66 | _data_abort: .word data_abort | 66 | _data_abort: .word data_abort |
67 | _not_used: .word not_used | 67 | _not_used: .word not_used |
68 | _irq: .word irq | 68 | _irq: .word irq |
69 | _fiq: .word fiq | 69 | _fiq: .word fiq |
70 | _pad: .word 0x12345678 /* now 16*4=64 */ | 70 | _pad: .word 0x12345678 /* now 16*4=64 */ |
71 | #endif /* CONFIG_SPL_BUILD */ | 71 | #endif /* CONFIG_SPL_BUILD */ |
72 | .global _end_vect | 72 | .global _end_vect |
73 | _end_vect: | 73 | _end_vect: |
74 | 74 | ||
75 | .balignl 16,0xdeadbeef | 75 | .balignl 16,0xdeadbeef |
76 | /* | 76 | /* |
77 | ************************************************************************* | 77 | ************************************************************************* |
78 | * | 78 | * |
79 | * Startup Code (reset vector) | 79 | * Startup Code (reset vector) |
80 | * | 80 | * |
81 | * do important init only if we don't start from memory! | 81 | * do important init only if we don't start from memory! |
82 | * setup Memory and board specific bits prior to relocation. | 82 | * setup Memory and board specific bits prior to relocation. |
83 | * relocate armboot to ram | 83 | * relocate armboot to ram |
84 | * setup stack | 84 | * setup stack |
85 | * | 85 | * |
86 | ************************************************************************* | 86 | ************************************************************************* |
87 | */ | 87 | */ |
88 | 88 | ||
89 | .globl _TEXT_BASE | 89 | .globl _TEXT_BASE |
90 | _TEXT_BASE: | 90 | _TEXT_BASE: |
91 | .word CONFIG_SYS_TEXT_BASE | 91 | .word CONFIG_SYS_TEXT_BASE |
92 | 92 | ||
93 | /* | 93 | /* |
94 | * These are defined in the board-specific linker script. | 94 | * These are defined in the board-specific linker script. |
95 | * Subtracting _start from them lets the linker put their | 95 | * Subtracting _start from them lets the linker put their |
96 | * relative position in the executable instead of leaving | 96 | * relative position in the executable instead of leaving |
97 | * them null. | 97 | * them null. |
98 | */ | 98 | */ |
99 | .globl _bss_start_ofs | 99 | .globl _bss_start_ofs |
100 | _bss_start_ofs: | 100 | _bss_start_ofs: |
101 | .word __bss_start - _start | 101 | .word __bss_start - _start |
102 | 102 | ||
103 | .global _image_copy_end_ofs | ||
104 | _image_copy_end_ofs: | ||
105 | .word __image_copy_end - _start | ||
106 | |||
103 | .globl _bss_end_ofs | 107 | .globl _bss_end_ofs |
104 | _bss_end_ofs: | 108 | _bss_end_ofs: |
105 | .word __bss_end__ - _start | 109 | .word __bss_end__ - _start |
106 | 110 | ||
107 | .globl _end_ofs | 111 | .globl _end_ofs |
108 | _end_ofs: | 112 | _end_ofs: |
109 | .word _end - _start | 113 | .word _end - _start |
110 | 114 | ||
111 | #ifdef CONFIG_USE_IRQ | 115 | #ifdef CONFIG_USE_IRQ |
112 | /* IRQ stack memory (calculated at run-time) */ | 116 | /* IRQ stack memory (calculated at run-time) */ |
113 | .globl IRQ_STACK_START | 117 | .globl IRQ_STACK_START |
114 | IRQ_STACK_START: | 118 | IRQ_STACK_START: |
115 | .word 0x0badc0de | 119 | .word 0x0badc0de |
116 | 120 | ||
117 | /* IRQ stack memory (calculated at run-time) */ | 121 | /* IRQ stack memory (calculated at run-time) */ |
118 | .globl FIQ_STACK_START | 122 | .globl FIQ_STACK_START |
119 | FIQ_STACK_START: | 123 | FIQ_STACK_START: |
120 | .word 0x0badc0de | 124 | .word 0x0badc0de |
121 | #endif | 125 | #endif |
122 | 126 | ||
123 | /* IRQ stack memory (calculated at run-time) + 8 bytes */ | 127 | /* IRQ stack memory (calculated at run-time) + 8 bytes */ |
124 | .globl IRQ_STACK_START_IN | 128 | .globl IRQ_STACK_START_IN |
125 | IRQ_STACK_START_IN: | 129 | IRQ_STACK_START_IN: |
126 | .word 0x0badc0de | 130 | .word 0x0badc0de |
127 | 131 | ||
128 | /* | 132 | /* |
129 | * the actual reset code | 133 | * the actual reset code |
130 | */ | 134 | */ |
131 | 135 | ||
132 | reset: | 136 | reset: |
133 | /* | 137 | /* |
134 | * set the cpu to SVC32 mode | 138 | * set the cpu to SVC32 mode |
135 | */ | 139 | */ |
136 | mrs r0,cpsr | 140 | mrs r0,cpsr |
137 | bic r0,r0,#0x1f | 141 | bic r0,r0,#0x1f |
138 | orr r0,r0,#0xd3 | 142 | orr r0,r0,#0xd3 |
139 | msr cpsr,r0 | 143 | msr cpsr,r0 |
140 | 144 | ||
141 | #ifdef CONFIG_OMAP2420H4 | 145 | #ifdef CONFIG_OMAP2420H4 |
142 | /* Copy vectors to mask ROM indirect addr */ | 146 | /* Copy vectors to mask ROM indirect addr */ |
143 | adr r0, _start /* r0 <- current position of code */ | 147 | adr r0, _start /* r0 <- current position of code */ |
144 | add r0, r0, #4 /* skip reset vector */ | 148 | add r0, r0, #4 /* skip reset vector */ |
145 | mov r2, #64 /* r2 <- size to copy */ | 149 | mov r2, #64 /* r2 <- size to copy */ |
146 | add r2, r0, r2 /* r2 <- source end address */ | 150 | add r2, r0, r2 /* r2 <- source end address */ |
147 | mov r1, #SRAM_OFFSET0 /* build vect addr */ | 151 | mov r1, #SRAM_OFFSET0 /* build vect addr */ |
148 | mov r3, #SRAM_OFFSET1 | 152 | mov r3, #SRAM_OFFSET1 |
149 | add r1, r1, r3 | 153 | add r1, r1, r3 |
150 | mov r3, #SRAM_OFFSET2 | 154 | mov r3, #SRAM_OFFSET2 |
151 | add r1, r1, r3 | 155 | add r1, r1, r3 |
152 | next: | 156 | next: |
153 | ldmia r0!, {r3-r10} /* copy from source address [r0] */ | 157 | ldmia r0!, {r3-r10} /* copy from source address [r0] */ |
154 | stmia r1!, {r3-r10} /* copy to target address [r1] */ | 158 | stmia r1!, {r3-r10} /* copy to target address [r1] */ |
155 | cmp r0, r2 /* until source end address [r2] */ | 159 | cmp r0, r2 /* until source end address [r2] */ |
156 | bne next /* loop until equal */ | 160 | bne next /* loop until equal */ |
157 | bl cpy_clk_code /* put dpll adjust code behind vectors */ | 161 | bl cpy_clk_code /* put dpll adjust code behind vectors */ |
158 | #endif | 162 | #endif |
159 | /* the mask ROM code should have PLL and others stable */ | 163 | /* the mask ROM code should have PLL and others stable */ |
160 | #ifndef CONFIG_SKIP_LOWLEVEL_INIT | 164 | #ifndef CONFIG_SKIP_LOWLEVEL_INIT |
161 | bl cpu_init_crit | 165 | bl cpu_init_crit |
162 | #endif | 166 | #endif |
163 | 167 | ||
164 | /* Set stackpointer in internal RAM to call board_init_f */ | 168 | /* Set stackpointer in internal RAM to call board_init_f */ |
165 | call_board_init_f: | 169 | call_board_init_f: |
166 | ldr sp, =(CONFIG_SYS_INIT_SP_ADDR) | 170 | ldr sp, =(CONFIG_SYS_INIT_SP_ADDR) |
167 | bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ | 171 | bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ |
168 | ldr r0,=0x00000000 | 172 | ldr r0,=0x00000000 |
169 | 173 | ||
170 | bl board_init_f | 174 | bl board_init_f |
171 | 175 | ||
172 | /*------------------------------------------------------------------------------*/ | 176 | /*------------------------------------------------------------------------------*/ |
173 | 177 | ||
174 | /* | 178 | /* |
175 | * void relocate_code (addr_sp, gd, addr_moni) | 179 | * void relocate_code (addr_sp, gd, addr_moni) |
176 | * | 180 | * |
177 | * This "function" does not return, instead it continues in RAM | 181 | * This "function" does not return, instead it continues in RAM |
178 | * after relocating the monitor code. | 182 | * after relocating the monitor code. |
179 | * | 183 | * |
180 | */ | 184 | */ |
181 | .globl relocate_code | 185 | .globl relocate_code |
182 | relocate_code: | 186 | relocate_code: |
183 | mov r4, r0 /* save addr_sp */ | 187 | mov r4, r0 /* save addr_sp */ |
184 | mov r5, r1 /* save addr of gd */ | 188 | mov r5, r1 /* save addr of gd */ |
185 | mov r6, r2 /* save addr of destination */ | 189 | mov r6, r2 /* save addr of destination */ |
186 | 190 | ||
187 | /* Set up the stack */ | 191 | /* Set up the stack */ |
188 | stack_setup: | 192 | stack_setup: |
189 | mov sp, r4 | 193 | mov sp, r4 |
190 | 194 | ||
191 | adr r0, _start | 195 | adr r0, _start |
192 | cmp r0, r6 | 196 | cmp r0, r6 |
193 | moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ | 197 | moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ |
194 | beq clear_bss /* skip relocation */ | 198 | beq clear_bss /* skip relocation */ |
195 | mov r1, r6 /* r1 <- scratch for copy_loop */ | 199 | mov r1, r6 /* r1 <- scratch for copy_loop */ |
196 | ldr r3, _bss_start_ofs | 200 | ldr r3, _image_copy_end_ofs |
197 | add r2, r0, r3 /* r2 <- source end address */ | 201 | add r2, r0, r3 /* r2 <- source end address */ |
198 | 202 | ||
199 | copy_loop: | 203 | copy_loop: |
200 | ldmia r0!, {r9-r10} /* copy from source address [r0] */ | 204 | ldmia r0!, {r9-r10} /* copy from source address [r0] */ |
201 | stmia r1!, {r9-r10} /* copy to target address [r1] */ | 205 | stmia r1!, {r9-r10} /* copy to target address [r1] */ |
202 | cmp r0, r2 /* until source end address [r2] */ | 206 | cmp r0, r2 /* until source end address [r2] */ |
203 | blo copy_loop | 207 | blo copy_loop |
204 | 208 | ||
205 | #ifndef CONFIG_SPL_BUILD | 209 | #ifndef CONFIG_SPL_BUILD |
206 | /* | 210 | /* |
207 | * fix .rel.dyn relocations | 211 | * fix .rel.dyn relocations |
208 | */ | 212 | */ |
209 | ldr r0, _TEXT_BASE /* r0 <- Text base */ | 213 | ldr r0, _TEXT_BASE /* r0 <- Text base */ |
210 | sub r9, r6, r0 /* r9 <- relocation offset */ | 214 | sub r9, r6, r0 /* r9 <- relocation offset */ |
211 | ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ | 215 | ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ |
212 | add r10, r10, r0 /* r10 <- sym table in FLASH */ | 216 | add r10, r10, r0 /* r10 <- sym table in FLASH */ |
213 | ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ | 217 | ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ |
214 | add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ | 218 | add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ |
215 | ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ | 219 | ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ |
216 | add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ | 220 | add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ |
217 | fixloop: | 221 | fixloop: |
218 | ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ | 222 | ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ |
219 | add r0, r0, r9 /* r0 <- location to fix up in RAM */ | 223 | add r0, r0, r9 /* r0 <- location to fix up in RAM */ |
220 | ldr r1, [r2, #4] | 224 | ldr r1, [r2, #4] |
221 | and r7, r1, #0xff | 225 | and r7, r1, #0xff |
222 | cmp r7, #23 /* relative fixup? */ | 226 | cmp r7, #23 /* relative fixup? */ |
223 | beq fixrel | 227 | beq fixrel |
224 | cmp r7, #2 /* absolute fixup? */ | 228 | cmp r7, #2 /* absolute fixup? */ |
225 | beq fixabs | 229 | beq fixabs |
226 | /* ignore unknown type of fixup */ | 230 | /* ignore unknown type of fixup */ |
227 | b fixnext | 231 | b fixnext |
228 | fixabs: | 232 | fixabs: |
229 | /* absolute fix: set location to (offset) symbol value */ | 233 | /* absolute fix: set location to (offset) symbol value */ |
230 | mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ | 234 | mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ |
231 | add r1, r10, r1 /* r1 <- address of symbol in table */ | 235 | add r1, r10, r1 /* r1 <- address of symbol in table */ |
232 | ldr r1, [r1, #4] /* r1 <- symbol value */ | 236 | ldr r1, [r1, #4] /* r1 <- symbol value */ |
233 | add r1, r1, r9 /* r1 <- relocated sym addr */ | 237 | add r1, r1, r9 /* r1 <- relocated sym addr */ |
234 | b fixnext | 238 | b fixnext |
235 | fixrel: | 239 | fixrel: |
236 | /* relative fix: increase location by offset */ | 240 | /* relative fix: increase location by offset */ |
237 | ldr r1, [r0] | 241 | ldr r1, [r0] |
238 | add r1, r1, r9 | 242 | add r1, r1, r9 |
239 | fixnext: | 243 | fixnext: |
240 | str r1, [r0] | 244 | str r1, [r0] |
241 | add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ | 245 | add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ |
242 | cmp r2, r3 | 246 | cmp r2, r3 |
243 | blo fixloop | 247 | blo fixloop |
248 | b clear_bss | ||
249 | |||
250 | _rel_dyn_start_ofs: | ||
251 | .word __rel_dyn_start - _start | ||
252 | _rel_dyn_end_ofs: | ||
253 | .word __rel_dyn_end - _start | ||
254 | _dynsym_start_ofs: | ||
255 | .word __dynsym_start - _start | ||
244 | #endif | 256 | #endif |
245 | 257 | ||
246 | clear_bss: | 258 | clear_bss: |
247 | #ifndef CONFIG_SPL_BUILD | 259 | #ifdef CONFIG_SPL_BUILD |
260 | /* No relocation for SPL */ | ||
261 | ldr r0, =__bss_start | ||
262 | ldr r1, =__bss_end__ | ||
263 | #else | ||
248 | ldr r0, _bss_start_ofs | 264 | ldr r0, _bss_start_ofs |
249 | ldr r1, _bss_end_ofs | 265 | ldr r1, _bss_end_ofs |
250 | mov r4, r6 /* reloc addr */ | 266 | mov r4, r6 /* reloc addr */ |
251 | add r0, r0, r4 | 267 | add r0, r0, r4 |
252 | add r1, r1, r4 | 268 | add r1, r1, r4 |
269 | #endif | ||
253 | mov r2, #0x00000000 /* clear */ | 270 | mov r2, #0x00000000 /* clear */ |
254 | 271 | ||
255 | clbss_l:cmp r0, r1 /* clear loop... */ | 272 | clbss_l:cmp r0, r1 /* clear loop... */ |
256 | bhs clbss_e /* if reached end of bss, exit */ | 273 | bhs clbss_e /* if reached end of bss, exit */ |
257 | str r2, [r0] | 274 | str r2, [r0] |
258 | add r0, r0, #4 | 275 | add r0, r0, #4 |
259 | b clbss_l | 276 | b clbss_l |
260 | clbss_e: | 277 | clbss_e: |
261 | #endif /* #ifndef CONFIG_SPL_BUILD */ | ||
262 | 278 | ||
263 | /* | 279 | /* |
264 | * We are done. Do not return, instead branch to second part of board | 280 | * We are done. Do not return, instead branch to second part of board |
265 | * initialization, now running from RAM. | 281 | * initialization, now running from RAM. |
266 | */ | 282 | */ |
267 | #ifdef CONFIG_NAND_SPL | 283 | #ifdef CONFIG_NAND_SPL |
268 | ldr r0, _nand_boot_ofs | 284 | ldr r0, _nand_boot_ofs |
269 | mov pc, r0 | 285 | mov pc, r0 |
270 | 286 | ||
271 | _nand_boot_ofs: | 287 | _nand_boot_ofs: |
272 | .word nand_boot | 288 | .word nand_boot |
273 | #else | 289 | #else |
274 | jump_2_ram: | 290 | jump_2_ram: |
275 | ldr r0, _board_init_r_ofs | 291 | ldr r0, _board_init_r_ofs |
276 | ldr r1, _TEXT_BASE | 292 | adr r1, _start |
277 | add lr, r0, r1 | 293 | add lr, r0, r1 |
278 | add lr, lr, r9 | 294 | add lr, lr, r9 |
279 | /* setup parameters for board_init_r */ | 295 | /* setup parameters for board_init_r */ |
280 | mov r0, r5 /* gd_t */ | 296 | mov r0, r5 /* gd_t */ |
281 | mov r1, r6 /* dest_addr */ | 297 | mov r1, r6 /* dest_addr */ |
282 | /* jump to it ... */ | 298 | /* jump to it ... */ |
283 | mov pc, lr | 299 | mov pc, lr |
284 | 300 | ||
285 | _board_init_r_ofs: | 301 | _board_init_r_ofs: |
286 | .word board_init_r - _start | 302 | .word board_init_r - _start |
287 | #endif | 303 | #endif |
288 | |||
289 | _rel_dyn_start_ofs: | ||
290 | .word __rel_dyn_start - _start | ||
291 | _rel_dyn_end_ofs: | ||
292 | .word __rel_dyn_end - _start | ||
293 | _dynsym_start_ofs: | ||
294 | .word __dynsym_start - _start | ||
295 | 304 | ||
296 | /* | 305 | /* |
297 | ************************************************************************* | 306 | ************************************************************************* |
298 | * | 307 | * |
299 | * CPU_init_critical registers | 308 | * CPU_init_critical registers |
300 | * | 309 | * |
301 | * setup important registers | 310 | * setup important registers |
302 | * setup memory timing | 311 | * setup memory timing |
303 | * | 312 | * |
304 | ************************************************************************* | 313 | ************************************************************************* |
305 | */ | 314 | */ |
306 | #ifndef CONFIG_SKIP_LOWLEVEL_INIT | 315 | #ifndef CONFIG_SKIP_LOWLEVEL_INIT |
307 | cpu_init_crit: | 316 | cpu_init_crit: |
308 | /* | 317 | /* |
309 | * flush v4 I/D caches | 318 | * flush v4 I/D caches |
310 | */ | 319 | */ |
311 | mov r0, #0 | 320 | mov r0, #0 |
312 | mcr p15, 0, r0, c7, c7, 0 /* Invalidate I+D+BTB caches */ | 321 | mcr p15, 0, r0, c7, c7, 0 /* Invalidate I+D+BTB caches */ |
313 | mcr p15, 0, r0, c8, c7, 0 /* Invalidate Unified TLB */ | 322 | mcr p15, 0, r0, c8, c7, 0 /* Invalidate Unified TLB */ |
314 | 323 | ||
315 | /* | 324 | /* |
316 | * disable MMU stuff and caches | 325 | * disable MMU stuff and caches |
317 | */ | 326 | */ |
318 | mrc p15, 0, r0, c1, c0, 0 | 327 | mrc p15, 0, r0, c1, c0, 0 |
319 | bic r0, r0, #0x00002300 @ clear bits 13, 9:8 (--V- --RS) | 328 | bic r0, r0, #0x00002300 @ clear bits 13, 9:8 (--V- --RS) |
320 | bic r0, r0, #0x00000087 @ clear bits 7, 2:0 (B--- -CAM) | 329 | bic r0, r0, #0x00000087 @ clear bits 7, 2:0 (B--- -CAM) |
321 | orr r0, r0, #0x00000002 @ set bit 2 (A) Align | 330 | orr r0, r0, #0x00000002 @ set bit 2 (A) Align |
322 | orr r0, r0, #0x00001000 @ set bit 12 (I) I-Cache | 331 | orr r0, r0, #0x00001000 @ set bit 12 (I) I-Cache |
323 | mcr p15, 0, r0, c1, c0, 0 | 332 | mcr p15, 0, r0, c1, c0, 0 |
324 | 333 | ||
325 | /* | 334 | /* |
326 | * Jump to board specific initialization... The Mask ROM will have already initialized | 335 | * Jump to board specific initialization... The Mask ROM will have already initialized |
327 | * basic memory. Go here to bump up clock rate and handle wake up conditions. | 336 | * basic memory. Go here to bump up clock rate and handle wake up conditions. |
328 | */ | 337 | */ |
329 | mov ip, lr /* persevere link reg across call */ | 338 | mov ip, lr /* persevere link reg across call */ |
330 | bl lowlevel_init /* go setup pll,mux,memory */ | 339 | bl lowlevel_init /* go setup pll,mux,memory */ |
331 | mov lr, ip /* restore link */ | 340 | mov lr, ip /* restore link */ |
332 | mov pc, lr /* back to my caller */ | 341 | mov pc, lr /* back to my caller */ |
333 | #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ | 342 | #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ |
334 | 343 | ||
335 | #ifndef CONFIG_SPL_BUILD | 344 | #ifndef CONFIG_SPL_BUILD |
336 | /* | 345 | /* |
337 | ************************************************************************* | 346 | ************************************************************************* |
338 | * | 347 | * |
339 | * Interrupt handling | 348 | * Interrupt handling |
340 | * | 349 | * |
341 | ************************************************************************* | 350 | ************************************************************************* |
342 | */ | 351 | */ |
343 | @ | 352 | @ |
344 | @ IRQ stack frame. | 353 | @ IRQ stack frame. |
345 | @ | 354 | @ |
346 | #define S_FRAME_SIZE 72 | 355 | #define S_FRAME_SIZE 72 |
347 | 356 | ||
348 | #define S_OLD_R0 68 | 357 | #define S_OLD_R0 68 |
349 | #define S_PSR 64 | 358 | #define S_PSR 64 |
350 | #define S_PC 60 | 359 | #define S_PC 60 |
351 | #define S_LR 56 | 360 | #define S_LR 56 |
352 | #define S_SP 52 | 361 | #define S_SP 52 |
353 | 362 | ||
354 | #define S_IP 48 | 363 | #define S_IP 48 |
355 | #define S_FP 44 | 364 | #define S_FP 44 |
356 | #define S_R10 40 | 365 | #define S_R10 40 |
357 | #define S_R9 36 | 366 | #define S_R9 36 |
358 | #define S_R8 32 | 367 | #define S_R8 32 |
359 | #define S_R7 28 | 368 | #define S_R7 28 |
360 | #define S_R6 24 | 369 | #define S_R6 24 |
361 | #define S_R5 20 | 370 | #define S_R5 20 |
362 | #define S_R4 16 | 371 | #define S_R4 16 |
363 | #define S_R3 12 | 372 | #define S_R3 12 |
364 | #define S_R2 8 | 373 | #define S_R2 8 |
365 | #define S_R1 4 | 374 | #define S_R1 4 |
366 | #define S_R0 0 | 375 | #define S_R0 0 |
367 | 376 | ||
368 | #define MODE_SVC 0x13 | 377 | #define MODE_SVC 0x13 |
369 | #define I_BIT 0x80 | 378 | #define I_BIT 0x80 |
370 | 379 | ||
371 | /* | 380 | /* |
372 | * use bad_save_user_regs for abort/prefetch/undef/swi ... | 381 | * use bad_save_user_regs for abort/prefetch/undef/swi ... |
373 | * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling | 382 | * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling |
374 | */ | 383 | */ |
375 | 384 | ||
376 | .macro bad_save_user_regs | 385 | .macro bad_save_user_regs |
377 | sub sp, sp, #S_FRAME_SIZE @ carve out a frame on current user stack | 386 | sub sp, sp, #S_FRAME_SIZE @ carve out a frame on current user stack |
378 | stmia sp, {r0 - r12} @ Save user registers (now in svc mode) r0-r12 | 387 | stmia sp, {r0 - r12} @ Save user registers (now in svc mode) r0-r12 |
379 | 388 | ||
380 | ldr r2, IRQ_STACK_START_IN @ set base 2 words into abort stack | 389 | ldr r2, IRQ_STACK_START_IN @ set base 2 words into abort stack |
381 | ldmia r2, {r2 - r3} @ get values for "aborted" pc and cpsr (into parm regs) | 390 | ldmia r2, {r2 - r3} @ get values for "aborted" pc and cpsr (into parm regs) |
382 | add r0, sp, #S_FRAME_SIZE @ grab pointer to old stack | 391 | add r0, sp, #S_FRAME_SIZE @ grab pointer to old stack |
383 | 392 | ||
384 | add r5, sp, #S_SP | 393 | add r5, sp, #S_SP |
385 | mov r1, lr | 394 | mov r1, lr |
386 | stmia r5, {r0 - r3} @ save sp_SVC, lr_SVC, pc, cpsr | 395 | stmia r5, {r0 - r3} @ save sp_SVC, lr_SVC, pc, cpsr |
387 | mov r0, sp @ save current stack into r0 (param register) | 396 | mov r0, sp @ save current stack into r0 (param register) |
388 | .endm | 397 | .endm |
389 | 398 | ||
390 | .macro irq_save_user_regs | 399 | .macro irq_save_user_regs |
391 | sub sp, sp, #S_FRAME_SIZE | 400 | sub sp, sp, #S_FRAME_SIZE |
392 | stmia sp, {r0 - r12} @ Calling r0-r12 | 401 | stmia sp, {r0 - r12} @ Calling r0-r12 |
393 | add r8, sp, #S_PC @ !!!! R8 NEEDS to be saved !!!! a reserved stack spot would be good. | 402 | add r8, sp, #S_PC @ !!!! R8 NEEDS to be saved !!!! a reserved stack spot would be good. |
394 | stmdb r8, {sp, lr}^ @ Calling SP, LR | 403 | stmdb r8, {sp, lr}^ @ Calling SP, LR |
395 | str lr, [r8, #0] @ Save calling PC | 404 | str lr, [r8, #0] @ Save calling PC |
396 | mrs r6, spsr | 405 | mrs r6, spsr |
397 | str r6, [r8, #4] @ Save CPSR | 406 | str r6, [r8, #4] @ Save CPSR |
398 | str r0, [r8, #8] @ Save OLD_R0 | 407 | str r0, [r8, #8] @ Save OLD_R0 |
399 | mov r0, sp | 408 | mov r0, sp |
400 | .endm | 409 | .endm |
401 | 410 | ||
402 | .macro irq_restore_user_regs | 411 | .macro irq_restore_user_regs |
403 | ldmia sp, {r0 - lr}^ @ Calling r0 - lr | 412 | ldmia sp, {r0 - lr}^ @ Calling r0 - lr |
404 | mov r0, r0 | 413 | mov r0, r0 |
405 | ldr lr, [sp, #S_PC] @ Get PC | 414 | ldr lr, [sp, #S_PC] @ Get PC |
406 | add sp, sp, #S_FRAME_SIZE | 415 | add sp, sp, #S_FRAME_SIZE |
407 | subs pc, lr, #4 @ return & move spsr_svc into cpsr | 416 | subs pc, lr, #4 @ return & move spsr_svc into cpsr |
408 | .endm | 417 | .endm |
409 | 418 | ||
410 | .macro get_bad_stack | 419 | .macro get_bad_stack |
411 | ldr r13, IRQ_STACK_START_IN @ setup our mode stack (enter in banked mode) | 420 | ldr r13, IRQ_STACK_START_IN @ setup our mode stack (enter in banked mode) |
412 | 421 | ||
413 | str lr, [r13] @ save caller lr in position 0 of saved stack | 422 | str lr, [r13] @ save caller lr in position 0 of saved stack |
414 | mrs lr, spsr @ get the spsr | 423 | mrs lr, spsr @ get the spsr |
415 | str lr, [r13, #4] @ save spsr in position 1 of saved stack | 424 | str lr, [r13, #4] @ save spsr in position 1 of saved stack |
416 | 425 | ||
417 | mov r13, #MODE_SVC @ prepare SVC-Mode | 426 | mov r13, #MODE_SVC @ prepare SVC-Mode |
418 | @ msr spsr_c, r13 | 427 | @ msr spsr_c, r13 |
419 | msr spsr, r13 @ switch modes, make sure moves will execute | 428 | msr spsr, r13 @ switch modes, make sure moves will execute |
420 | mov lr, pc @ capture return pc | 429 | mov lr, pc @ capture return pc |
421 | movs pc, lr @ jump to next instruction & switch modes. | 430 | movs pc, lr @ jump to next instruction & switch modes. |
422 | .endm | 431 | .endm |
423 | 432 | ||
424 | .macro get_bad_stack_swi | 433 | .macro get_bad_stack_swi |
425 | sub r13, r13, #4 @ space on current stack for scratch reg. | 434 | sub r13, r13, #4 @ space on current stack for scratch reg. |
426 | str r0, [r13] @ save R0's value. | 435 | str r0, [r13] @ save R0's value. |
427 | ldr r0, IRQ_STACK_START_IN @ get data regions start | 436 | ldr r0, IRQ_STACK_START_IN @ get data regions start |
428 | str lr, [r0] @ save caller lr in position 0 of saved stack | 437 | str lr, [r0] @ save caller lr in position 0 of saved stack |
429 | mrs r0, spsr @ get the spsr | 438 | mrs r0, spsr @ get the spsr |
430 | str lr, [r0, #4] @ save spsr in position 1 of saved stack | 439 | str lr, [r0, #4] @ save spsr in position 1 of saved stack |
431 | ldr r0, [r13] @ restore r0 | 440 | ldr r0, [r13] @ restore r0 |
432 | add r13, r13, #4 @ pop stack entry | 441 | add r13, r13, #4 @ pop stack entry |
433 | .endm | 442 | .endm |
434 | 443 | ||
435 | .macro get_irq_stack @ setup IRQ stack | 444 | .macro get_irq_stack @ setup IRQ stack |
436 | ldr sp, IRQ_STACK_START | 445 | ldr sp, IRQ_STACK_START |
437 | .endm | 446 | .endm |
438 | 447 | ||
439 | .macro get_fiq_stack @ setup FIQ stack | 448 | .macro get_fiq_stack @ setup FIQ stack |
440 | ldr sp, FIQ_STACK_START | 449 | ldr sp, FIQ_STACK_START |
441 | .endm | 450 | .endm |
442 | #endif /* CONFIG_SPL_BUILD */ | 451 | #endif /* CONFIG_SPL_BUILD */ |
443 | 452 | ||
444 | /* | 453 | /* |
445 | * exception handlers | 454 | * exception handlers |
446 | */ | 455 | */ |
447 | #ifdef CONFIG_SPL_BUILD | 456 | #ifdef CONFIG_SPL_BUILD |
448 | .align 5 | 457 | .align 5 |
449 | do_hang: | 458 | do_hang: |
450 | ldr sp, _TEXT_BASE /* use 32 words about stack */ | 459 | ldr sp, _TEXT_BASE /* use 32 words about stack */ |
451 | bl hang /* hang and never return */ | 460 | bl hang /* hang and never return */ |
452 | #else /* !CONFIG_SPL_BUILD */ | 461 | #else /* !CONFIG_SPL_BUILD */ |
453 | .align 5 | 462 | .align 5 |
454 | undefined_instruction: | 463 | undefined_instruction: |
455 | get_bad_stack | 464 | get_bad_stack |
456 | bad_save_user_regs | 465 | bad_save_user_regs |
457 | bl do_undefined_instruction | 466 | bl do_undefined_instruction |
458 | 467 | ||
459 | .align 5 | 468 | .align 5 |
460 | software_interrupt: | 469 | software_interrupt: |
461 | get_bad_stack_swi | 470 | get_bad_stack_swi |
462 | bad_save_user_regs | 471 | bad_save_user_regs |
463 | bl do_software_interrupt | 472 | bl do_software_interrupt |
464 | 473 | ||
465 | .align 5 | 474 | .align 5 |
466 | prefetch_abort: | 475 | prefetch_abort: |
467 | get_bad_stack | 476 | get_bad_stack |
468 | bad_save_user_regs | 477 | bad_save_user_regs |
469 | bl do_prefetch_abort | 478 | bl do_prefetch_abort |
470 | 479 | ||
471 | .align 5 | 480 | .align 5 |
472 | data_abort: | 481 | data_abort: |
473 | get_bad_stack | 482 | get_bad_stack |
474 | bad_save_user_regs | 483 | bad_save_user_regs |
475 | bl do_data_abort | 484 | bl do_data_abort |
476 | 485 | ||
477 | .align 5 | 486 | .align 5 |
478 | not_used: | 487 | not_used: |
479 | get_bad_stack | 488 | get_bad_stack |
480 | bad_save_user_regs | 489 | bad_save_user_regs |
481 | bl do_not_used | 490 | bl do_not_used |
482 | 491 | ||
483 | #ifdef CONFIG_USE_IRQ | 492 | #ifdef CONFIG_USE_IRQ |
484 | 493 | ||
485 | .align 5 | 494 | .align 5 |
486 | irq: | 495 | irq: |
487 | get_irq_stack | 496 | get_irq_stack |
488 | irq_save_user_regs | 497 | irq_save_user_regs |
489 | bl do_irq | 498 | bl do_irq |
490 | irq_restore_user_regs | 499 | irq_restore_user_regs |
491 | 500 | ||
492 | .align 5 | 501 | .align 5 |
493 | fiq: | 502 | fiq: |
494 | get_fiq_stack | 503 | get_fiq_stack |
495 | /* someone ought to write a more effiction fiq_save_user_regs */ | 504 | /* someone ought to write a more effiction fiq_save_user_regs */ |
496 | irq_save_user_regs | 505 | irq_save_user_regs |
497 | bl do_fiq | 506 | bl do_fiq |
498 | irq_restore_user_regs | 507 | irq_restore_user_regs |
499 | 508 | ||
500 | #else | 509 | #else |
501 | 510 | ||
502 | .align 5 | 511 | .align 5 |
503 | irq: | 512 | irq: |
504 | get_bad_stack | 513 | get_bad_stack |
505 | bad_save_user_regs | 514 | bad_save_user_regs |
506 | bl do_irq | 515 | bl do_irq |
507 | 516 | ||
508 | .align 5 | 517 | .align 5 |
509 | fiq: | 518 | fiq: |
510 | get_bad_stack | 519 | get_bad_stack |
511 | bad_save_user_regs | 520 | bad_save_user_regs |
512 | bl do_fiq | 521 | bl do_fiq |
513 | 522 | ||
514 | #endif | 523 | #endif |
515 | .align 5 | 524 | .align 5 |
516 | .global arm1136_cache_flush | 525 | .global arm1136_cache_flush |
517 | arm1136_cache_flush: | 526 | arm1136_cache_flush: |
518 | #if !defined(CONFIG_SYS_ICACHE_OFF) | 527 | #if !defined(CONFIG_SYS_ICACHE_OFF) |
board/freescale/mx31ads/u-boot.lds
1 | /* | 1 | /* |
2 | * January 2004 - Changed to support H4 device | 2 | * January 2004 - Changed to support H4 device |
3 | * Copyright (c) 2004 Texas Instruments | 3 | * Copyright (c) 2004 Texas Instruments |
4 | * | 4 | * |
5 | * (C) Copyright 2002 | 5 | * (C) Copyright 2002 |
6 | * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> | 6 | * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> |
7 | * | 7 | * |
8 | * See file CREDITS for list of people who contributed to this | 8 | * See file CREDITS for list of people who contributed to this |
9 | * project. | 9 | * project. |
10 | * | 10 | * |
11 | * This program is free software; you can redistribute it and/or | 11 | * This program is free software; you can redistribute it and/or |
12 | * modify it under the terms of the GNU General Public License as | 12 | * modify it under the terms of the GNU General Public License as |
13 | * published by the Free Software Foundation; either version 2 of | 13 | * published by the Free Software Foundation; either version 2 of |
14 | * the License, or (at your option) any later version. | 14 | * the License, or (at your option) any later version. |
15 | * | 15 | * |
16 | * This program is distributed in the hope that it will be useful, | 16 | * This program is distributed in the hope that it will be useful, |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
19 | * GNU General Public License for more details. | 19 | * GNU General Public License for more details. |
20 | * | 20 | * |
21 | * You should have received a copy of the GNU General Public License | 21 | * You should have received a copy of the GNU General Public License |
22 | * along with this program; if not, write to the Free Software | 22 | * along with this program; if not, write to the Free Software |
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
24 | * MA 02111-1307 USA | 24 | * MA 02111-1307 USA |
25 | */ | 25 | */ |
26 | 26 | ||
27 | OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") | 27 | OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") |
28 | OUTPUT_ARCH(arm) | 28 | OUTPUT_ARCH(arm) |
29 | ENTRY(_start) | 29 | ENTRY(_start) |
30 | SECTIONS | 30 | SECTIONS |
31 | { | 31 | { |
32 | . = 0x00000000; | 32 | . = 0x00000000; |
33 | 33 | ||
34 | . = ALIGN(4); | 34 | . = ALIGN(4); |
35 | .text : | 35 | .text : |
36 | { | 36 | { |
37 | /* WARNING - the following is hand-optimized to fit within */ | 37 | /* WARNING - the following is hand-optimized to fit within */ |
38 | /* the sector layout of our flash chips! XXX FIXME XXX */ | 38 | /* the sector layout of our flash chips! XXX FIXME XXX */ |
39 | 39 | ||
40 | arch/arm/cpu/arm1136/start.o (.text) | 40 | arch/arm/cpu/arm1136/start.o (.text) |
41 | board/freescale/mx31ads/libmx31ads.o (.text) | 41 | board/freescale/mx31ads/libmx31ads.o (.text) |
42 | arch/arm/lib/libarm.o (.text) | 42 | arch/arm/lib/libarm.o (.text) |
43 | net/libnet.o (.text) | 43 | net/libnet.o (.text) |
44 | drivers/mtd/libmtd.o (.text) | 44 | drivers/mtd/libmtd.o (.text) |
45 | 45 | ||
46 | . = DEFINED(env_offset) ? env_offset : .; | 46 | . = DEFINED(env_offset) ? env_offset : .; |
47 | common/env_embedded.o(.text) | 47 | common/env_embedded.o(.text) |
48 | 48 | ||
49 | *(.text) | 49 | *(.text) |
50 | } | 50 | } |
51 | . = ALIGN(4); | 51 | . = ALIGN(4); |
52 | .rodata : { *(.rodata) } | 52 | .rodata : { *(.rodata) } |
53 | 53 | ||
54 | . = ALIGN(4); | 54 | . = ALIGN(4); |
55 | .data : { | 55 | .data : { |
56 | *(.data) | 56 | *(.data) |
57 | } | 57 | } |
58 | 58 | ||
59 | . = ALIGN(4); | 59 | . = ALIGN(4); |
60 | __u_boot_cmd_start = .; | 60 | __u_boot_cmd_start = .; |
61 | .u_boot_cmd : { *(.u_boot_cmd) } | 61 | .u_boot_cmd : { *(.u_boot_cmd) } |
62 | __u_boot_cmd_end = .; | 62 | __u_boot_cmd_end = .; |
63 | 63 | ||
64 | . = ALIGN(4); | 64 | . = ALIGN(4); |
65 | 65 | ||
66 | __image_copy_end = .; | ||
67 | |||
66 | .rel.dyn : { | 68 | .rel.dyn : { |
67 | __rel_dyn_start = .; | 69 | __rel_dyn_start = .; |
68 | *(.rel*) | 70 | *(.rel*) |
69 | __rel_dyn_end = .; | 71 | __rel_dyn_end = .; |
70 | } | 72 | } |
71 | 73 | ||
72 | .dynsym : { | 74 | .dynsym : { |
73 | __dynsym_start = .; | 75 | __dynsym_start = .; |
74 | *(.dynsym) | 76 | *(.dynsym) |
75 | } | 77 | } |
76 | 78 | ||
77 | _end = .; | 79 | _end = .; |
78 | 80 | ||
79 | .bss __rel_dyn_start (OVERLAY) : { | 81 | .bss __rel_dyn_start (OVERLAY) : { |
80 | __bss_start = .; | 82 | __bss_start = .; |
81 | *(.bss) | 83 | *(.bss) |
82 | . = ALIGN(4); | 84 | . = ALIGN(4); |
83 | __bss_end__ = .; | 85 | __bss_end__ = .; |
84 | } | 86 | } |
85 | 87 | ||
86 | /DISCARD/ : { *(.bss*) } | 88 | /DISCARD/ : { *(.bss*) } |
87 | /DISCARD/ : { *(.dynstr*) } | 89 | /DISCARD/ : { *(.dynstr*) } |
88 | /DISCARD/ : { *(.dynsym*) } | 90 | /DISCARD/ : { *(.dynsym*) } |
89 | /DISCARD/ : { *(.dynamic*) } | 91 | /DISCARD/ : { *(.dynamic*) } |
90 | /DISCARD/ : { *(.hash*) } | 92 | /DISCARD/ : { *(.hash*) } |
91 | /DISCARD/ : { *(.plt*) } | 93 | /DISCARD/ : { *(.plt*) } |
92 | /DISCARD/ : { *(.interp*) } | 94 | /DISCARD/ : { *(.interp*) } |
93 | /DISCARD/ : { *(.gnu*) } | 95 | /DISCARD/ : { *(.gnu*) } |
94 | } | 96 | } |
95 | 97 |
nand_spl/board/freescale/mx31pdk/u-boot.lds
1 | /* | 1 | /* |
2 | * (C) Copyright 2009 | 2 | * (C) Copyright 2009 |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | * | 4 | * |
5 | * See file CREDITS for list of people who contributed to this | 5 | * See file CREDITS for list of people who contributed to this |
6 | * project. | 6 | * project. |
7 | * | 7 | * |
8 | * This program is free software; you can redistribute it and/or | 8 | * This program is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU General Public License as | 9 | * modify it under the terms of the GNU General Public License as |
10 | * published by the Free Software Foundation; either version 2 of | 10 | * published by the Free Software Foundation; either version 2 of |
11 | * the License, or (at your option) any later version. | 11 | * the License, or (at your option) any later version. |
12 | * | 12 | * |
13 | * This program is distributed in the hope that it will be useful, | 13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. | 16 | * GNU General Public License for more details. |
17 | * | 17 | * |
18 | * You should have received a copy of the GNU General Public License | 18 | * You should have received a copy of the GNU General Public License |
19 | * along with this program; if not, write to the Free Software | 19 | * along with this program; if not, write to the Free Software |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
21 | * MA 02111-1307 USA | 21 | * MA 02111-1307 USA |
22 | */ | 22 | */ |
23 | OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") | 23 | OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") |
24 | OUTPUT_ARCH(arm) | 24 | OUTPUT_ARCH(arm) |
25 | ENTRY(_start) | 25 | ENTRY(_start) |
26 | SECTIONS | 26 | SECTIONS |
27 | { | 27 | { |
28 | . = 0x00000000; | 28 | . = 0x00000000; |
29 | 29 | ||
30 | . = ALIGN(4); | 30 | . = ALIGN(4); |
31 | .text : | 31 | .text : |
32 | { | 32 | { |
33 | start.o (.text) | 33 | start.o (.text) |
34 | lowlevel_init.o (.text) | 34 | lowlevel_init.o (.text) |
35 | nand_boot_fsl_nfc.o (.text) | 35 | nand_boot_fsl_nfc.o (.text) |
36 | *(.text) | 36 | *(.text) |
37 | . = 2K; | 37 | . = 2K; |
38 | } | 38 | } |
39 | 39 | ||
40 | . = ALIGN(4); | 40 | . = ALIGN(4); |
41 | .rodata : { *(.rodata) } | 41 | .rodata : { *(.rodata) } |
42 | 42 | ||
43 | . = ALIGN(4); | 43 | . = ALIGN(4); |
44 | .data : { | 44 | .data : { |
45 | *(.data) | 45 | *(.data) |
46 | } | 46 | } |
47 | 47 | ||
48 | . = ALIGN(4); | 48 | . = ALIGN(4); |
49 | __u_boot_cmd_start = .; | 49 | __u_boot_cmd_start = .; |
50 | .u_boot_cmd : { *(.u_boot_cmd) } | 50 | .u_boot_cmd : { *(.u_boot_cmd) } |
51 | __u_boot_cmd_end = .; | 51 | __u_boot_cmd_end = .; |
52 | 52 | ||
53 | . = ALIGN(4); | 53 | . = ALIGN(4); |
54 | 54 | ||
55 | __image_copy_end = .; | ||
56 | |||
55 | .rel.dyn : { | 57 | .rel.dyn : { |
56 | __rel_dyn_start = .; | 58 | __rel_dyn_start = .; |
57 | *(.rel*) | 59 | *(.rel*) |
58 | __rel_dyn_end = .; | 60 | __rel_dyn_end = .; |
59 | } | 61 | } |
60 | 62 | ||
61 | .dynsym : { | 63 | .dynsym : { |
62 | __dynsym_start = .; | 64 | __dynsym_start = .; |
63 | *(.dynsym) | 65 | *(.dynsym) |
64 | } | 66 | } |
65 | 67 | ||
66 | _end = .; | 68 | _end = .; |
67 | 69 | ||
68 | .bss __rel_dyn_start (OVERLAY) : { | 70 | .bss __rel_dyn_start (OVERLAY) : { |
69 | __bss_start = .; | 71 | __bss_start = .; |
70 | *(.bss) | 72 | *(.bss) |
71 | . = ALIGN(4); | 73 | . = ALIGN(4); |
72 | __bss_end__ = .; | 74 | __bss_end__ = .; |
73 | } | 75 | } |
74 | 76 | ||
75 | /DISCARD/ : { *(.bss*) } | 77 | /DISCARD/ : { *(.bss*) } |
76 | /DISCARD/ : { *(.dynstr*) } | 78 | /DISCARD/ : { *(.dynstr*) } |
77 | /DISCARD/ : { *(.dynsym*) } | 79 | /DISCARD/ : { *(.dynsym*) } |
78 | /DISCARD/ : { *(.dynamic*) } | 80 | /DISCARD/ : { *(.dynamic*) } |
79 | /DISCARD/ : { *(.hash*) } | 81 | /DISCARD/ : { *(.hash*) } |
80 | /DISCARD/ : { *(.plt*) } | 82 | /DISCARD/ : { *(.plt*) } |
81 | /DISCARD/ : { *(.interp*) } | 83 | /DISCARD/ : { *(.interp*) } |
82 | /DISCARD/ : { *(.gnu*) } | 84 | /DISCARD/ : { *(.gnu*) } |
83 | } | 85 | } |
84 | 86 |