From 03a9e5126147c9f92aeba4b34f62b15b625087fb Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Thu, 9 Dec 2010 15:49:23 -0800 Subject: [PATCH] omap1: Use asm_irq_flags for entry-macro.S Initialize asm_irq_flags in omap_init_irq and use it in get_irqnr_and_base to detect between omap7xx and omap15xx/16xx. Note that both INT_1510_IH2_IRQ and INT_1510_IH2_IRQ are defined as 0, so use INT_1510_IH2_IRQ for both of them. Tested-by: Janusz Krzysztofik Signed-off-by: Tony Lindgren --- .../arm/mach-omap1/include/mach/entry-macro.S | 27 ++++++++++--------- arch/arm/mach-omap1/irq.c | 5 ++++ arch/arm/plat-omap/include/plat/irqs.h | 2 +- 3 files changed, 20 insertions(+), 14 deletions(-) diff --git a/arch/arm/mach-omap1/include/mach/entry-macro.S b/arch/arm/mach-omap1/include/mach/entry-macro.S index df9060edda2..c9be6d4d83e 100644 --- a/arch/arm/mach-omap1/include/mach/entry-macro.S +++ b/arch/arm/mach-omap1/include/mach/entry-macro.S @@ -14,18 +14,17 @@ #include #include -#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 +/* + * We use __glue to avoid errors with multiple definitions of + * .globl omap_irq_flags as it's included from entry-armv.S but not + * from entry-common.S. + */ +#ifdef __glue + .pushsection .data + .globl omap_irq_flags +omap_irq_flags: + .word 0 + .popsection #endif .macro disable_fiq @@ -47,9 +46,11 @@ beq 1510f ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET] + ldr \tmp, =omap_irq_flags @ irq flags address + ldr \tmp, [\tmp, #0] @ irq flags value cmp \irqnr, #0 ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] - cmpeq \irqnr, #INT_IH2_IRQ + cmpeq \irqnr, \tmp ldreq \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE) ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] addeqs \irqnr, \irqnr, #32 diff --git a/arch/arm/mach-omap1/irq.c b/arch/arm/mach-omap1/irq.c index db913c34d1f..6bddbc869f4 100644 --- a/arch/arm/mach-omap1/irq.c +++ b/arch/arm/mach-omap1/irq.c @@ -176,26 +176,31 @@ static struct irq_chip omap_irq_chip = { void __init omap_init_irq(void) { + extern unsigned int omap_irq_flags; int i, j; #if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) if (cpu_is_omap7xx()) { + omap_irq_flags = INT_7XX_IH2_IRQ; irq_banks = omap7xx_irq_banks; irq_bank_count = ARRAY_SIZE(omap7xx_irq_banks); } #endif #ifdef CONFIG_ARCH_OMAP15XX if (cpu_is_omap1510()) { + omap_irq_flags = INT_1510_IH2_IRQ; irq_banks = omap1510_irq_banks; irq_bank_count = ARRAY_SIZE(omap1510_irq_banks); } if (cpu_is_omap310()) { + omap_irq_flags = INT_1510_IH2_IRQ; irq_banks = omap310_irq_banks; irq_bank_count = ARRAY_SIZE(omap310_irq_banks); } #endif #if defined(CONFIG_ARCH_OMAP16XX) if (cpu_is_omap16xx()) { + omap_irq_flags = INT_1510_IH2_IRQ; irq_banks = omap1610_irq_banks; irq_bank_count = ARRAY_SIZE(omap1610_irq_banks); } diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h index 65e20a68671..2910de921c5 100644 --- a/arch/arm/plat-omap/include/plat/irqs.h +++ b/arch/arm/plat-omap/include/plat/irqs.h @@ -77,7 +77,7 @@ /* * OMAP-1610 specific IRQ numbers for interrupt handler 1 */ -#define INT_1610_IH2_IRQ 0 +#define INT_1610_IH2_IRQ INT_1510_IH2_IRQ #define INT_1610_IH2_FIQ 2 #define INT_1610_McBSP2_TX 4 #define INT_1610_McBSP2_RX 5 -- 2.41.0