59 lines
1.6 KiB
ArmAsm
59 lines
1.6 KiB
ArmAsm
/*
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* arch/arm/mach-omap1/include/mach/entry-macro.S
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*
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* Low-level IRQ helper macros for OMAP-based platforms
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*
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* Copyright (C) 2009 Texas Instruments
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <mach/hardware.h>
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#include <mach/io.h>
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#include <mach/irqs.h>
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#include <asm/hardware/gic.h>
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#if (defined(CONFIG_ARCH_OMAP730)||defined(CONFIG_ARCH_OMAP850)) && \
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(defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX))
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#error "FIXME: OMAP7XX doesn't support multiple-OMAP"
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#elif defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
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#define INT_IH2_IRQ INT_7XX_IH2_IRQ
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#elif defined(CONFIG_ARCH_OMAP15XX)
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#define INT_IH2_IRQ INT_1510_IH2_IRQ
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#elif defined(CONFIG_ARCH_OMAP16XX)
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#define INT_IH2_IRQ INT_1610_IH2_IRQ
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#else
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#warning "IH2 IRQ defaulted"
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#define INT_IH2_IRQ INT_1510_IH2_IRQ
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#endif
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.macro disable_fiq
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.endm
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.macro get_irqnr_preamble, base, tmp
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.endm
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.macro arch_ret_to_user, tmp1, tmp2
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.endm
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.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
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ldr \base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
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ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET]
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ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET]
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mov \irqstat, #0xffffffff
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bic \tmp, \irqstat, \tmp
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tst \irqnr, \tmp
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beq 1510f
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ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
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cmp \irqnr, #0
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ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
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cmpeq \irqnr, #INT_IH2_IRQ
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ldreq \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE)
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ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
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addeqs \irqnr, \irqnr, #32
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1510:
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.endm
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