projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 69c31b7a SG |
1 | /* |
| 2 | * Copyright 2011 Freescale Semiconductor, Inc. | |
| 3 | * Copyright 2011 Linaro Ltd. | |
| 4 | * | |
| 5 | * The code contained herein is licensed under the GNU General Public | |
| 6 | * License. You may obtain a copy of the GNU General Public License | |
| 7 | * Version 2 or later at the following locations: | |
| 8 | * | |
| 9 | * http://www.opensource.org/licenses/gpl-license.html | |
| 10 | * http://www.gnu.org/copyleft/gpl.html | |
| 11 | */ | |
| 12 | ||
| 13 | #include <linux/linkage.h> | |
| 14 | #include <linux/init.h> | |
| a1f1c7ef | 15 | #include <asm/asm-offsets.h> |
| 69c31b7a SG |
16 | #include <asm/hardware/cache-l2x0.h> |
| 17 | ||
| 18 | .section ".text.head", "ax" | |
| 69c31b7a | 19 | |
| 69c31b7a SG |
20 | #ifdef CONFIG_SMP |
| 21 | ENTRY(v7_secondary_startup) | |
| 22 | bl v7_invalidate_l1 | |
| 23 | b secondary_startup | |
| 24 | ENDPROC(v7_secondary_startup) | |
| 25 | #endif | |
| a1f1c7ef | 26 | |
| 46ec1b26 | 27 | #ifdef CONFIG_PM |
| a1f1c7ef | 28 | /* |
| b4e61537 NP |
29 | * The following code must assume it is running from physical address |
| 30 | * where absolute virtual addresses to the data section have to be | |
| 31 | * turned into relative ones. | |
| a1f1c7ef | 32 | */ |
| a1f1c7ef | 33 | |
| 733d1724 | 34 | #ifdef CONFIG_CACHE_L2X0 |
| a1f1c7ef | 35 | .macro pl310_resume |
| b4e61537 NP |
36 | adr r0, l2x0_saved_regs_offset |
| 37 | ldr r2, [r0] | |
| 38 | add r2, r2, r0 | |
| a1f1c7ef SG |
39 | ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0 |
| 40 | ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value | |
| 41 | str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl | |
| 42 | mov r1, #0x1 | |
| 43 | str r1, [r0, #L2X0_CTRL] @ re-enable L2 | |
| 44 | .endm | |
| 45 | ||
| b4e61537 NP |
46 | l2x0_saved_regs_offset: |
| 47 | .word l2x0_saved_regs - . | |
| 48 | ||
| 733d1724 EM |
49 | #else |
| 50 | .macro pl310_resume | |
| 51 | .endm | |
| 52 | #endif | |
| 53 | ||
| a1f1c7ef SG |
54 | ENTRY(v7_cpu_resume) |
| 55 | bl v7_invalidate_l1 | |
| 56 | pl310_resume | |
| 57 | b cpu_resume | |
| 58 | ENDPROC(v7_cpu_resume) | |
| 46ec1b26 | 59 | #endif |