diff options
Diffstat (limited to 'arch/arm/plat-tcc/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/plat-tcc/include/mach/entry-macro.S | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/arm/plat-tcc/include/mach/entry-macro.S b/arch/arm/plat-tcc/include/mach/entry-macro.S deleted file mode 100644 index 748f401e4b6..00000000000 --- a/arch/arm/plat-tcc/include/mach/entry-macro.S +++ /dev/null | |||
| @@ -1,68 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * include/asm-arm/arch-tcc83x/entry-macro.S | ||
| 3 | * | ||
| 4 | * Author : <linux@telechips.com> | ||
| 5 | * Created: June 10, 2008 | ||
| 6 | * Description: Low-level IRQ helper macros for Telechips-based platforms | ||
| 7 | * | ||
| 8 | * Copyright (C) 2008-2009 Telechips | ||
| 9 | * | ||
| 10 | * This file is licensed under the terms of the GNU General Public | ||
| 11 | * License version 2. This program is licensed "as is" without any | ||
| 12 | * warranty of any kind, whether express or implied. | ||
| 13 | */ | ||
| 14 | |||
| 15 | #include <mach/hardware.h> | ||
| 16 | #include <mach/irqs.h> | ||
| 17 | |||
| 18 | .macro disable_fiq | ||
| 19 | .endm | ||
| 20 | |||
| 21 | .macro get_irqnr_preamble, base, tmp | ||
| 22 | .endm | ||
| 23 | |||
| 24 | .macro arch_ret_to_user, tmp1, tmp2 | ||
| 25 | .endm | ||
| 26 | |||
| 27 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | ||
| 28 | |||
| 29 | ldr \base, =0xF2003000 @ base address of PIC registers | ||
| 30 | |||
| 31 | @@ read MREQ register of PIC0 | ||
| 32 | |||
| 33 | mov \irqnr, #0 | ||
| 34 | ldr \irqstat, [\base, #0x00000014 ] @ lower 32 interrupts | ||
| 35 | cmp \irqstat, #0 | ||
| 36 | bne 1001f | ||
| 37 | |||
| 38 | @@ read MREQ register of PIC1 | ||
| 39 | |||
| 40 | ldr \irqstat, [\base, #0x00000094] @ upper 32 interrupts | ||
| 41 | cmp \irqstat, #0 | ||
| 42 | beq 1002f | ||
| 43 | mov \irqnr, #0x20 | ||
| 44 | |||
| 45 | 1001: | ||
| 46 | movs \tmp, \irqstat, lsl #16 | ||
| 47 | movne \irqstat, \tmp | ||
| 48 | addeq \irqnr, \irqnr, #16 | ||
| 49 | |||
| 50 | movs \tmp, \irqstat, lsl #8 | ||
| 51 | movne \irqstat, \tmp | ||
| 52 | addeq \irqnr, \irqnr, #8 | ||
| 53 | |||
| 54 | movs \tmp, \irqstat, lsl #4 | ||
| 55 | movne \irqstat, \tmp | ||
| 56 | addeq \irqnr, \irqnr, #4 | ||
| 57 | |||
| 58 | movs \tmp, \irqstat, lsl #2 | ||
| 59 | movne \irqstat, \tmp | ||
| 60 | addeq \irqnr, \irqnr, #2 | ||
| 61 | |||
| 62 | movs \tmp, \irqstat, lsl #1 | ||
| 63 | addeq \irqnr, \irqnr, #1 | ||
| 64 | orrs \base, \base, #1 | ||
| 65 | 1002: | ||
| 66 | @@ exit here, Z flag unset if IRQ | ||
| 67 | |||
| 68 | .endm | ||