Wednesday 08 December 2010 02:47:28 Tony Lindgren napisaÅ(a):
> 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 on Amstrad Delta.
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Tested-by: Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx>
> diff --git a/arch/arm/mach-omap1/include/mach/entry-macro.S
> b/arch/arm/mach-omap1/include/mach/entry-macro.S index df9060e..c9be6d4
> 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 <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
> +/*
> + * 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 db913c3..6bddbc8 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 65e20a6..2910de9 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
> --
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