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| author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
| commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
| tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/arm/mach-davinci/include/mach/entry-macro.S | |
| parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
| parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'arch/arm/mach-davinci/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/entry-macro.S | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/include/mach/entry-macro.S b/arch/arm/mach-davinci/include/mach/entry-macro.S new file mode 100644 index 00000000..768b3c06 --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/entry-macro.S @@ -0,0 +1,41 @@ +/* + * Low-level IRQ helper macros for TI DaVinci-based platforms + * + * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com> + * + * 2007 (c) MontaVista Software, Inc. 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/irqs.h> + + .macro get_irqnr_preamble, base, tmp + ldr \base, =davinci_intc_base + ldr \base, [\base] + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp +#if defined(CONFIG_AINTC) && defined(CONFIG_CP_INTC) + ldr \tmp, =davinci_intc_type + ldr \tmp, [\tmp] + cmp \tmp, #DAVINCI_INTC_TYPE_CP_INTC + beq 1001f +#endif +#if defined(CONFIG_AINTC) + ldr \tmp, [\base, #0x14] + movs \tmp, \tmp, lsr #2 + sub \irqnr, \tmp, #1 + b 1002f +#endif +#if defined(CONFIG_CP_INTC) +1001: ldr \irqnr, [\base, #0x80] /* get irq number */ + and \irqnr, \irqnr, #0xff /* irq is in bits 0-9 */ + mov \tmp, \irqnr, lsr #3 + and \tmp, \tmp, #0xfc + add \tmp, \tmp, #0x280 /* get the register offset */ + ldr \irqstat, [\base, \tmp] /* get the intc status */ + cmp \irqstat, #0x0 +#endif +1002: + .endm |