diff options
| author | David S. Miller <davem@davemloft.net> | 2009-09-24 15:13:11 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-24 15:13:11 -0700 |
| commit | 8b3f6af86378d0a10ca2f1ded1da124aef13b62c (patch) | |
| tree | de6ca90295730343c495be8d98be8efa322140ef /arch/arm/mach-nomadik/include/mach/entry-macro.S | |
| parent | 139d6065c83071d5f66cd013a274a43699f8e2c1 (diff) | |
| parent | 94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/staging/Kconfig
drivers/staging/Makefile
drivers/staging/cpc-usb/TODO
drivers/staging/cpc-usb/cpc-usb_drv.c
drivers/staging/cpc-usb/cpc.h
drivers/staging/cpc-usb/cpc_int.h
drivers/staging/cpc-usb/cpcusb.h
Diffstat (limited to 'arch/arm/mach-nomadik/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-nomadik/include/mach/entry-macro.S | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-nomadik/include/mach/entry-macro.S b/arch/arm/mach-nomadik/include/mach/entry-macro.S new file mode 100644 index 00000000000..49f1aa3bb42 --- /dev/null +++ b/arch/arm/mach-nomadik/include/mach/entry-macro.S @@ -0,0 +1,43 @@ +/* + * Low-level IRQ helper macros for Nomadik platforms + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <mach/hardware.h> +#include <mach/irqs.h> + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =IO_ADDRESS(NOMADIK_IC_BASE) + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + + /* This stanza gets the irq mask from one of two status registers */ + mov \irqnr, #0 + ldr \irqstat, [\base, #VIC_REG_IRQSR0] @ get masked status + cmp \irqstat, #0 + bne 1001f + add \irqnr, \irqnr, #32 + ldr \irqstat, [\base, #VIC_REG_IRQSR1] @ get masked status + +1001: tst \irqstat, #15 + bne 1002f + add \irqnr, \irqnr, #4 + movs \irqstat, \irqstat, lsr #4 + bne 1001b +1002: tst \irqstat, #1 + bne 1003f + add \irqnr, \irqnr, #1 + movs \irqstat, \irqstat, lsr #1 + bne 1002b +1003: /* EQ will be set if no irqs pending */ + .endm |