| /* |
| * arch/arm/mach-omap1/include/mach/entry-macro.S |
| * |
| * Low-level IRQ helper macros for OMAP-based platforms |
| * |
| * Copyright (C) 2009 Texas Instruments |
| * |
| * 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> |
| #include <asm/hardware/gic.h> |
| |
| #if (defined(CONFIG_ARCH_OMAP730)||defined(CONFIG_ARCH_OMAP850)) && \ |
| (defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)) |
| #error "FIXME: OMAP7XX doesn't support multiple-OMAP" |
| #elif defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) |
| #define INT_IH2_IRQ INT_7XX_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, =OMAP1_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, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE) |
| ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] |
| addeqs \irqnr, \irqnr, #32 |
| 1510: |
| .endm |
| |
