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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>
This commit is contained in:
Tony Lindgren 2010-12-09 15:49:23 -08:00
parent cf7d7e5a19
commit 03a9e51261
3 changed files with 20 additions and 14 deletions
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27
arch/arm/mach-omap1/include/mach/entry-macro.S
View File

@ -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

5
arch/arm/mach-omap1/irq.c
View File

@ -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);
}

2
arch/arm/plat-omap/include/plat/irqs.h
View File

@ -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