| Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2006 Andriy Skulysh <askulsyh@gmail.com> |
| 3 | * |
| 4 | * This file is subject to the terms and conditions of the GNU General Public |
| 5 | * License. See the file "COPYING" in the main directory of this archive |
| 6 | * for more details. |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | #include <linux/linkage.h> |
| Paul Mundt | f15cbe6 | 2008-07-29 08:09:44 +0900 | [diff] [blame] | 11 | #include <cpu/mmu_context.h> |
| Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 12 | |
| Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 13 | /* |
| 14 | * Kernel mode register usage: |
| 15 | * k0 scratch |
| 16 | * k1 scratch |
| Magnus Damm | 1d015cf | 2009-02-23 07:14:02 +0000 | [diff] [blame] | 17 | * For more details, please have a look at entry.S |
| Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 18 | */ |
| 19 | |
| Magnus Damm | 1d015cf | 2009-02-23 07:14:02 +0000 | [diff] [blame] | 20 | #define k0 r0 |
| 21 | #define k1 r1 |
| 22 | |
| Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 23 | ENTRY(wakeup_start) |
| 24 | ! clear STBY bit |
| Magnus Damm | 1d015cf | 2009-02-23 07:14:02 +0000 | [diff] [blame] | 25 | mov #-126, k1 |
| Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 26 | and #127, k0 |
| Magnus Damm | 1d015cf | 2009-02-23 07:14:02 +0000 | [diff] [blame] | 27 | mov.b k0, @k1 |
| Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 28 | ! enable refresh |
| 29 | mov.l 5f, k1 |
| 30 | mov.w 6f, k0 |
| 31 | mov.w k0, @k1 |
| 32 | ! jump to handler |
| Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 33 | mov.l 4f, k1 |
| 34 | jmp @k1 |
| Magnus Damm | 1d015cf | 2009-02-23 07:14:02 +0000 | [diff] [blame] | 35 | nop |
| Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 36 | |
| 37 | .align 2 |
| Magnus Damm | 1d015cf | 2009-02-23 07:14:02 +0000 | [diff] [blame] | 38 | 4: .long handle_interrupt |
| Andriy Skulysh | 3aa770e | 2006-09-27 16:20:22 +0900 | [diff] [blame] | 39 | 5: .long 0xffffff68 |
| 40 | 6: .word 0x0524 |
| 41 | |
| 42 | ENTRY(wakeup_end) |
| 43 | nop |