diff options
Diffstat (limited to 'include/asm-arm/arch-pxa/entry-macro.S')
| -rw-r--r-- | include/asm-arm/arch-pxa/entry-macro.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pxa/entry-macro.S b/include/asm-arm/arch-pxa/entry-macro.S new file mode 100644 index 00000000000..2abfc8bb3ee --- /dev/null +++ b/include/asm-arm/arch-pxa/entry-macro.S @@ -0,0 +1,31 @@ +/* + * include/asm-arm/arch-pxa/entry-macro.S + * + * Low-level IRQ helper macros for PXA-based 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. + */ + + .macro disable_fiq + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp +#ifdef CONFIG_PXA27x + mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP + mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR +#else + mov \base, #io_p2v(0x40000000) @ IIR Ctl = 0x40d00000 + add \base, \base, #0x00d00000 + ldr \irqstat, [\base, #0] @ ICIP + ldr \irqnr, [\base, #4] @ ICMR +#endif + ands \irqnr, \irqstat, \irqnr + beq 1001f + rsb \irqstat, \irqnr, #0 + and \irqstat, \irqstat, \irqnr + clz \irqnr, \irqstat + rsb \irqnr, \irqnr, #(31 - PXA_IRQ_SKIP) +1001: + .endm |