summary refs log tree commit diff
path: root/arch/arm64
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 20:23:11 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 20:23:11 -0800
commitf082f02c4731900a5065de69eb0d8cb5aab66196 (patch)
treeb7d3c90cb087d1ebcc0ab945bdb618c78b38051d /arch/arm64
parent9465d9cc31fa732089cd8bec9f1bdfcdc174a5ce (diff)
parent2cae3a1ed36ded9b4c8859feeea73827f1c2130d (diff)
downloadlinux-f082f02c4731900a5065de69eb0d8cb5aab66196.tar.gz
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
 "The irq department provides:

   - a major update to the auto affinity management code, which is used
     by multi-queue devices

   - move of the microblaze irq chip driver into the common driver code
     so it can be shared between microblaze, powerpc and MIPS

   - a series of updates to the ARM GICV3 interrupt controller

   - the usual pile of fixes and small improvements all over the place"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
  powerpc/virtex: Use generic xilinx irqchip driver
  irqchip/xilinx: Try to fall back if xlnx,kind-of-intr not provided
  irqchip/xilinx: Add support for parent intc
  irqchip/xilinx: Rename get_irq to xintc_get_irq
  irqchip/xilinx: Restructure and use jump label api
  irqchip/xilinx: Clean up print messages
  microblaze/irqchip: Move intc driver to irqchip
  ARM: virt: Select ARM_GIC_V3_ITS
  ARM: gic-v3-its: Add 32bit support to GICv3 ITS
  irqchip/gic-v3-its: Specialise readq and writeq accesses
  irqchip/gic-v3-its: Specialise flush_dcache operation
  irqchip/gic-v3-its: Narrow down Entry Size when used as a divider
  irqchip/gic-v3-its: Change unsigned types for AArch32 compatibility
  irqchip/gic-v3: Use nops macro for Cavium ThunderX erratum 23154
  irqchip/gic-v3: Convert arm64 GIC accessors to {read,write}_sysreg_s
  genirq/msi: Drop artificial PCI dependency
  irqchip/bcm7038-l1: Implement irq_cpu_offline() callback
  genirq/affinity: Use default affinity mask for reserved vectors
  genirq/affinity: Take reserved vectors into account when spreading irqs
  PCI: Remove the irq_affinity mask from struct pci_dev
  ...
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/include/asm/arch_gicv3.h61
1 files changed, 31 insertions, 30 deletions
diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h
index f8ae6d6e4767..f37e3a21f6e7 100644
--- a/arch/arm64/include/asm/arch_gicv3.h
+++ b/arch/arm64/include/asm/arch_gicv3.h
@@ -79,19 +79,10 @@
 
 #include <linux/stringify.h>
 #include <asm/barrier.h>
+#include <asm/cacheflush.h>
 
-#define read_gicreg(r)							\
-	({								\
-		u64 reg;						\
-		asm volatile("mrs_s %0, " __stringify(r) : "=r" (reg));	\
-		reg;							\
-	})
-
-#define write_gicreg(v,r)						\
-	do {								\
-		u64 __val = (v);					\
-		asm volatile("msr_s " __stringify(r) ", %0" : : "r" (__val));\
-	} while (0)
+#define read_gicreg			read_sysreg_s
+#define write_gicreg			write_sysreg_s
 
 /*
  * Low-level accessors
@@ -102,13 +93,13 @@
 
 static inline void gic_write_eoir(u32 irq)
 {
-	asm volatile("msr_s " __stringify(ICC_EOIR1_EL1) ", %0" : : "r" ((u64)irq));
+	write_sysreg_s(irq, ICC_EOIR1_EL1);
 	isb();
 }
 
 static inline void gic_write_dir(u32 irq)
 {
-	asm volatile("msr_s " __stringify(ICC_DIR_EL1) ", %0" : : "r" ((u64)irq));
+	write_sysreg_s(irq, ICC_DIR_EL1);
 	isb();
 }
 
@@ -116,7 +107,7 @@ static inline u64 gic_read_iar_common(void)
 {
 	u64 irqstat;
 
-	asm volatile("mrs_s %0, " __stringify(ICC_IAR1_EL1) : "=r" (irqstat));
+	irqstat = read_sysreg_s(ICC_IAR1_EL1);
 	dsb(sy);
 	return irqstat;
 }
@@ -132,12 +123,9 @@ static inline u64 gic_read_iar_cavium_thunderx(void)
 {
 	u64 irqstat;
 
-	asm volatile(
-		"nop;nop;nop;nop\n\t"
-		"nop;nop;nop;nop\n\t"
-		"mrs_s %0, " __stringify(ICC_IAR1_EL1) "\n\t"
-		"nop;nop;nop;nop"
-		: "=r" (irqstat));
+	nops(8);
+	irqstat = read_sysreg_s(ICC_IAR1_EL1);
+	nops(4);
 	mb();
 
 	return irqstat;
@@ -145,37 +133,34 @@ static inline u64 gic_read_iar_cavium_thunderx(void)
 
 static inline void gic_write_pmr(u32 val)
 {
-	asm volatile("msr_s " __stringify(ICC_PMR_EL1) ", %0" : : "r" ((u64)val));
+	write_sysreg_s(val, ICC_PMR_EL1);
 }
 
 static inline void gic_write_ctlr(u32 val)
 {
-	asm volatile("msr_s " __stringify(ICC_CTLR_EL1) ", %0" : : "r" ((u64)val));
+	write_sysreg_s(val, ICC_CTLR_EL1);
 	isb();
 }
 
 static inline void gic_write_grpen1(u32 val)
 {
-	asm volatile("msr_s " __stringify(ICC_GRPEN1_EL1) ", %0" : : "r" ((u64)val));
+	write_sysreg_s(val, ICC_GRPEN1_EL1);
 	isb();
 }
 
 static inline void gic_write_sgi1r(u64 val)
 {
-	asm volatile("msr_s " __stringify(ICC_SGI1R_EL1) ", %0" : : "r" (val));
+	write_sysreg_s(val, ICC_SGI1R_EL1);
 }
 
 static inline u32 gic_read_sre(void)
 {
-	u64 val;
-
-	asm volatile("mrs_s %0, " __stringify(ICC_SRE_EL1) : "=r" (val));
-	return val;
+	return read_sysreg_s(ICC_SRE_EL1);
 }
 
 static inline void gic_write_sre(u32 val)
 {
-	asm volatile("msr_s " __stringify(ICC_SRE_EL1) ", %0" : : "r" ((u64)val));
+	write_sysreg_s(val, ICC_SRE_EL1);
 	isb();
 }
 
@@ -187,5 +172,21 @@ static inline void gic_write_bpr1(u32 val)
 #define gic_read_typer(c)		readq_relaxed(c)
 #define gic_write_irouter(v, c)		writeq_relaxed(v, c)
 
+#define gic_flush_dcache_to_poc(a,l)	__flush_dcache_area((a), (l))
+
+#define gits_read_baser(c)		readq_relaxed(c)
+#define gits_write_baser(v, c)		writeq_relaxed(v, c)
+
+#define gits_read_cbaser(c)		readq_relaxed(c)
+#define gits_write_cbaser(v, c)		writeq_relaxed(v, c)
+
+#define gits_write_cwriter(v, c)	writeq_relaxed(v, c)
+
+#define gicr_read_propbaser(c)		readq_relaxed(c)
+#define gicr_write_propbaser(v, c)	writeq_relaxed(v, c)
+
+#define gicr_write_pendbaser(v, c)	writeq_relaxed(v, c)
+#define gicr_read_pendbaser(c)		readq_relaxed(c)
+
 #endif /* __ASSEMBLY__ */
 #endif /* __ASM_ARCH_GICV3_H */