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authorTony Lindgren <tony@atomide.com>2010-12-10 02:49:23 +0300
committerTony Lindgren <tony@atomide.com>2010-12-10 02:49:23 +0300
commit03a9e5126147c9f92aeba4b34f62b15b625087fb (patch)
tree6673d24a716ca01911b69f541b1c7bd56c0a827a /arch/arm
parentcf7d7e5a1980d1116ee152d25dac382b112b9c17 (diff)
downloadlinux-03a9e5126147c9f92aeba4b34f62b15b625087fb.tar.xz
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 <jkrzyszt@tis.icnet.pl> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-omap1/include/mach/entry-macro.S27
-rw-r--r--arch/arm/mach-omap1/irq.c5
-rw-r--r--arch/arm/plat-omap/include/plat/irqs.h2
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 df9060edda28..c9be6d4d83e2 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 db913c34d1fe..6bddbc869f4c 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 65e20a686713..2910de921c52 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