[PATCH v3 09/17] ARM: exynos4: convert to CONFIG_MULTI_IRQ_HANDLER
Marc Zyngier
marc.zyngier at arm.com
Fri Nov 4 12:57:43 EDT 2011
Convert the Exynos4 platforms to be using the gic_handle_irq
function as their primary interrupt handler.
Cc: Ben Dooks <ben-linux at fluff.org>
Cc: Kukjin Kim <kgene.kim at samsung.com>
Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
---
arch/arm/Kconfig | 1 +
arch/arm/mach-exynos4/cpu.c | 1 +
arch/arm/mach-exynos4/include/mach/entry-macro.S | 74 ----------------------
arch/arm/mach-exynos4/mach-armlex4210.c | 2 +
arch/arm/mach-exynos4/mach-nuri.c | 2 +
arch/arm/mach-exynos4/mach-origen.c | 2 +
arch/arm/mach-exynos4/mach-smdk4x12.c | 3 +
arch/arm/mach-exynos4/mach-smdkv310.c | 3 +
arch/arm/mach-exynos4/mach-universal_c210.c | 2 +
9 files changed, 16 insertions(+), 74 deletions(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index af6e59d..605e897 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -855,6 +855,7 @@ config ARCH_EXYNOS4
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select NEED_MACH_MEMORY_H
+ select MULTI_IRQ_HANDLER
help
Samsung EXYNOS4 series based systems
diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
index b57b905..567a4c1 100644
--- a/arch/arm/mach-exynos4/cpu.c
+++ b/arch/arm/mach-exynos4/cpu.c
@@ -17,6 +17,7 @@
#include <asm/mach/irq.h>
#include <asm/proc-fns.h>
+#include <asm/exception.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/gic.h>
diff --git a/arch/arm/mach-exynos4/include/mach/entry-macro.S b/arch/arm/mach-exynos4/include/mach/entry-macro.S
index d7dfcd7..3ba4f54 100644
--- a/arch/arm/mach-exynos4/include/mach/entry-macro.S
+++ b/arch/arm/mach-exynos4/include/mach/entry-macro.S
@@ -9,82 +9,8 @@
* warranty of any kind, whether express or implied.
*/
-#include <mach/hardware.h>
-#include <mach/map.h>
-#include <asm/hardware/gic.h>
-
.macro disable_fiq
.endm
- .macro get_irqnr_preamble, base, tmp
- mov \tmp, #0
-
- mrc p15, 0, \base, c0, c0, 5
- and \base, \base, #3
- cmp \base, #0
- beq 1f
-
- ldr \tmp, =gic_bank_offset
- ldr \tmp, [\tmp]
- cmp \base, #1
- beq 1f
-
- cmp \base, #2
- addeq \tmp, \tmp, \tmp
- addne \tmp, \tmp, \tmp, LSL #1
-
-1: ldr \base, =gic_cpu_base_addr
- ldr \base, [\base]
- add \base, \base, \tmp
- .endm
-
.macro arch_ret_to_user, tmp1, tmp2
.endm
-
- /*
- * 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 \irqstat, [\base, #GIC_CPU_INTACK] /* bits 12-10 = src CPU, 9-0 = int # */
-
- ldr \tmp, =1021
-
- bic \irqnr, \irqstat, #0x1c00
-
- cmp \irqnr, #15
- 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
- strcc \irqstat, [\base, #GIC_CPU_EOI]
- cmpcs \irqnr, \irqnr
- .endm
diff --git a/arch/arm/mach-exynos4/mach-armlex4210.c b/arch/arm/mach-exynos4/mach-armlex4210.c
index 8c82c6b..2fdcc9d 100644
--- a/arch/arm/mach-exynos4/mach-armlex4210.c
+++ b/arch/arm/mach-exynos4/mach-armlex4210.c
@@ -16,6 +16,7 @@
#include <linux/smsc911x.h>
#include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
#include <plat/cpu.h>
@@ -213,6 +214,7 @@ MACHINE_START(ARMLEX4210, "ARMLEX4210")
.soc = &exynos4_soc_desc,
.init_irq = exynos4_init_irq,
.map_io = armlex4210_map_io,
+ .handle_irq = gic_handle_irq,
.init_machine = armlex4210_machine_init,
.timer = &exynos4_timer,
MACHINE_END
diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c
index f6eb7a4..6fddafa 100644
--- a/arch/arm/mach-exynos4/mach-nuri.c
+++ b/arch/arm/mach-exynos4/mach-nuri.c
@@ -32,6 +32,7 @@
#include <media/v4l2-mediabus.h>
#include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
#include <plat/adc.h>
@@ -1336,6 +1337,7 @@ MACHINE_START(NURI, "NURI")
.soc = &exynos4_soc_desc,
.init_irq = exynos4_init_irq,
.map_io = nuri_map_io,
+ .handle_irq = gic_handle_irq,
.init_machine = nuri_machine_init,
.timer = &exynos4_timer,
.reserve = &nuri_reserve,
diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach-origen.c
index b643584..192bffd 100644
--- a/arch/arm/mach-exynos4/mach-origen.c
+++ b/arch/arm/mach-exynos4/mach-origen.c
@@ -22,6 +22,7 @@
#include <linux/lcd.h>
#include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
#include <video/platform_lcd.h>
@@ -697,6 +698,7 @@ MACHINE_START(ORIGEN, "ORIGEN")
.soc = &exynos4_soc_desc,
.init_irq = exynos4_init_irq,
.map_io = origen_map_io,
+ .handle_irq = gic_handle_irq,
.init_machine = origen_machine_init,
.timer = &exynos4_timer,
.reserve = &origen_reserve,
diff --git a/arch/arm/mach-exynos4/mach-smdk4x12.c b/arch/arm/mach-exynos4/mach-smdk4x12.c
index 052b2cb..9e7e8a2 100644
--- a/arch/arm/mach-exynos4/mach-smdk4x12.c
+++ b/arch/arm/mach-exynos4/mach-smdk4x12.c
@@ -21,6 +21,7 @@
#include <linux/serial_core.h>
#include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
#include <plat/backlight.h>
@@ -290,6 +291,7 @@ MACHINE_START(SMDK4212, "SMDK4212")
.soc = &exynos4_soc_desc,
.init_irq = exynos4_init_irq,
.map_io = smdk4x12_map_io,
+ .handle_irq = gic_handle_irq,
.init_machine = smdk4x12_machine_init,
.timer = &exynos4_timer,
MACHINE_END
@@ -302,5 +304,6 @@ MACHINE_START(SMDK4412, "SMDK4412")
.init_irq = exynos4_init_irq,
.map_io = smdk4x12_map_io,
.init_machine = smdk4x12_machine_init,
+ .handle_irq = gic_handle_irq,
.timer = &exynos4_timer,
MACHINE_END
diff --git a/arch/arm/mach-exynos4/mach-smdkv310.c b/arch/arm/mach-exynos4/mach-smdkv310.c
index 525b042..6b49dbe 100644
--- a/arch/arm/mach-exynos4/mach-smdkv310.c
+++ b/arch/arm/mach-exynos4/mach-smdkv310.c
@@ -21,6 +21,7 @@
#include <linux/pwm_backlight.h>
#include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
#include <video/platform_lcd.h>
@@ -378,6 +379,7 @@ MACHINE_START(SMDKV310, "SMDKV310")
.soc = &exynos4_soc_desc,
.init_irq = exynos4_init_irq,
.map_io = smdkv310_map_io,
+ .handle_irq = gic_handle_irq,
.init_machine = smdkv310_machine_init,
.timer = &exynos4_timer,
.reserve = &smdkv310_reserve,
@@ -389,6 +391,7 @@ MACHINE_START(SMDKC210, "SMDKC210")
.soc = &exynos4_soc_desc,
.init_irq = exynos4_init_irq,
.map_io = smdkv310_map_io,
+ .handle_irq = gic_handle_irq,
.init_machine = smdkv310_machine_init,
.timer = &exynos4_timer,
MACHINE_END
diff --git a/arch/arm/mach-exynos4/mach-universal_c210.c b/arch/arm/mach-exynos4/mach-universal_c210.c
index 1bdb4c2..4e50b13 100644
--- a/arch/arm/mach-exynos4/mach-universal_c210.c
+++ b/arch/arm/mach-exynos4/mach-universal_c210.c
@@ -24,6 +24,7 @@
#include <linux/i2c/atmel_mxt_ts.h>
#include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
@@ -1061,6 +1062,7 @@ MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
.soc = &exynos4_soc_desc,
.init_irq = exynos4_init_irq,
.map_io = universal_map_io,
+ .handle_irq = gic_handle_irq,
.init_machine = universal_machine_init,
.timer = &exynos4_timer,
.reserve = &universal_reserve,
--
1.7.0.4
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