diff options
Diffstat (limited to 'arch/arm/plat-omap/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/entry-macro.S | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/arch/arm/plat-omap/include/mach/entry-macro.S b/arch/arm/plat-omap/include/mach/entry-macro.S deleted file mode 100644 index a559299..0000000 --- a/arch/arm/plat-omap/include/mach/entry-macro.S +++ /dev/null @@ -1,172 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/entry-macro.S - * - * Low-level IRQ helper macros for OMAP-based platforms - * - * Copyright (C) 2009 Texas Instruments - * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> - * - * 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_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, =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 - -#endif -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ - defined(CONFIG_ARCH_OMAP4) - -#include <mach/omap24xx.h> -#include <mach/omap34xx.h> - -/* REVISIT: This should be set dynamically if CONFIG_MULTI_OMAP2 is selected */ -#if defined(CONFIG_ARCH_OMAP2420) || defined(CONFIG_ARCH_OMAP2430) -#define OMAP2_VA_IC_BASE OMAP2_IO_ADDRESS(OMAP24XX_IC_BASE) -#elif defined(CONFIG_ARCH_OMAP34XX) -#define OMAP2_VA_IC_BASE OMAP2_IO_ADDRESS(OMAP34XX_IC_BASE) -#endif -#if defined(CONFIG_ARCH_OMAP4) -#include <mach/omap44xx.h> -#endif -#define INTCPS_SIR_IRQ_OFFSET 0x0040 /* Active interrupt offset */ -#define ACTIVEIRQ_MASK 0x7f /* Active interrupt bits */ - - .macro disable_fiq - .endm - - .macro get_irqnr_preamble, base, tmp - .endm - - .macro arch_ret_to_user, tmp1, tmp2 - .endm - -#ifndef CONFIG_ARCH_OMAP4 - .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, #INTCPS_SIR_IRQ_OFFSET] - and \irqnr, \irqnr, #ACTIVEIRQ_MASK /* Clear spurious bits */ - - .endm -#else - /* - * The interrupt numbering scheme is defined in the - * interrupt controller spec. To wit: - * - * Interrupts 0-15 are IPI - * 16-28 are reserved - * 29-31 are local. We allow 30 to be used for the watchdog. - * 32-1020 are global - * 1021-1022 are reserved - * 1023 is "spurious" (no interrupt) - * - * For now, we ignore all local interrupts so only return an - * interrupt if it's between 30 and 1020. The test_for_ipi - * routine below will pick up on IPIs. - * A simple read from the controller will tell us the number - * of the highest priority enabled interrupt. - * We then just need to check whether it is in the - * valid range for an IRQ (30-1020 inclusive). - */ - .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - ldr \base, =OMAP44XX_VA_GIC_CPU_BASE - ldr \irqstat, [\base, #GIC_CPU_INTACK] - - ldr \tmp, =1021 - - bic \irqnr, \irqstat, #0x1c00 - - cmp \irqnr, #29 - cmpcc \irqnr, \irqnr - cmpne \irqnr, \tmp - cmpcs \irqnr, \irqnr - .endm - - /* We assume that irqstat (the raw value of the IRQ acknowledge - * register) is preserved from the macro above. - * If there is an IPI, we immediately signal end of interrupt - * on the controller, since this requires the original irqstat - * value which we won't easily be able to recreate later. - */ - - .macro test_for_ipi, irqnr, irqstat, base, tmp - bic \irqnr, \irqstat, #0x1c00 - cmp \irqnr, #16 - it cc - strcc \irqstat, [\base, #GIC_CPU_EOI] - it cs - cmpcs \irqnr, \irqnr - .endm - - /* As above, this assumes that irqstat and base are preserved */ - - .macro test_for_ltirq, irqnr, irqstat, base, tmp - bic \irqnr, \irqstat, #0x1c00 - mov \tmp, #0 - cmp \irqnr, #29 - itt eq - moveq \tmp, #1 - streq \irqstat, [\base, #GIC_CPU_EOI] - cmp \tmp, #0 - .endm -#endif - - .macro irq_prio_table - .endm - -#endif |