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| author | Kevin | 2014-11-15 09:58:27 +0800 |
|---|---|---|
| committer | Kevin | 2014-11-15 09:58:27 +0800 |
| commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
| tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/arch/arm/mach-ixp23xx/include/mach/entry-macro.S | |
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-ixp23xx/include/mach/entry-macro.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-ixp23xx/include/mach/entry-macro.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-ixp23xx/include/mach/entry-macro.S b/ANDROID_3.4.5/arch/arm/mach-ixp23xx/include/mach/entry-macro.S new file mode 100644 index 00000000..3fd2cb98 --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/mach-ixp23xx/include/mach/entry-macro.S @@ -0,0 +1,31 @@ +/* + * arch/arm/mach-ixp23xx/include/mach/entry-macro.S + */ + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqnr, =(IXP23XX_INTC_VIRT + IXP23XX_INTR_IRQ_ENC_ST_OFFSET) + ldr \irqnr, [\irqnr] @ get interrupt number + cmp \irqnr, #0x0 @ spurious interrupt ? + movne \irqnr, \irqnr, lsr #2 @ skip unwanted low order bits + subne \irqnr, \irqnr, #1 @ convert to 0 based + +#if 0 + cmp \irqnr, #IRQ_IXP23XX_PCI_INT_RPH + bne 1001f + mov \irqnr, #IRQ_IXP23XX_INTA + + ldr \irqnr, =0xf5000030 + + mov \tmp, #(1<<26) + tst \irqnr, \tmp + movne \irqnr, #IRQ_IXP23XX_INTB + + mov \tmp, #(1<<27) + tst \irqnr, \tmp + movne \irqnr, #IRQ_IXP23XX_INTA +1001: +#endif + .endm |