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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-03 21:28:46 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-03 21:28:46 +0400 |
| commit | f68ec0c24755e5cdb779be6240925f2175311d84 (patch) | |
| tree | a7b7128e61a8456385d82bd1c7ca5f14eecbf2ca /arch/arm/plat-omap/include/mach/entry-macro.S | |
| parent | 98920dc3d1113b883cbc73e3293446d3525c6042 (diff) | |
| parent | 94aca1dac6f6d21f4b07e4864baf7768cabcc6e7 (diff) | |
| download | linux-f68ec0c24755e5cdb779be6240925f2175311d84.tar.xz | |
Merge commit 'v2.6.27-rc8' into x86/setup
Diffstat (limited to 'arch/arm/plat-omap/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/entry-macro.S | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/entry-macro.S b/arch/arm/plat-omap/include/mach/entry-macro.S new file mode 100644 index 000000000000..d4e9043bf201 --- /dev/null +++ b/arch/arm/plat-omap/include/mach/entry-macro.S @@ -0,0 +1,89 @@ +/* + * arch/arm/plat-omap/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for OMAP-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. + */ +#include <mach/hardware.h> +#include <mach/io.h> +#include <mach/irqs.h> + +#if defined(CONFIG_ARCH_OMAP1) + +#if defined(CONFIG_ARCH_OMAP730) && \ + (defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)) +#error "FIXME: OMAP730 doesn't support multiple-OMAP" +#elif defined(CONFIG_ARCH_OMAP730) +#define INT_IH2_IRQ INT_730_IH2_IRQ +#elif defined(CONFIG_ARCH_OMAP15XX) +#define INT_IH2_IRQ INT_1510_IH2_IRQ +#elif defined(CONFIG_ARCH_OMAP16XX) +#define INT_IH2_IRQ INT_1610_IH2_IRQ +#else +#warning "IH2 IRQ defaulted" +#define INT_IH2_IRQ INT_1510_IH2_IRQ +#endif + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \base, =IO_ADDRESS(OMAP_IH1_BASE) + ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET] + ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET] + mov \irqstat, #0xffffffff + bic \tmp, \irqstat, \tmp + tst \irqnr, \tmp + beq 1510f + + ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET] + cmp \irqnr, #0 + ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] + cmpeq \irqnr, #INT_IH2_IRQ + ldreq \base, =IO_ADDRESS(OMAP_IH2_BASE) + ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] + addeqs \irqnr, \irqnr, #32 +1510: + .endm + +#elif defined(CONFIG_ARCH_OMAP24XX) + +#include <mach/omap24xx.h> + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \base, =OMAP2_VA_IC_BASE + ldr \irqnr, [\base, #0x98] /* IRQ pending reg 1 */ + cmp \irqnr, #0x0 + bne 2222f + ldr \irqnr, [\base, #0xb8] /* IRQ pending reg 2 */ + cmp \irqnr, #0x0 + bne 2222f + ldr \irqnr, [\base, #0xd8] /* IRQ pending reg 3 */ + cmp \irqnr, #0x0 +2222: + ldrne \irqnr, [\base, #IRQ_SIR_IRQ] + + .endm + + .macro irq_prio_table + .endm + +#endif |