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authorPaul Burton <paul.burton@imgtec.com>2017-08-12 21:36:26 -0700
committerRalf Baechle <ralf@linux-mips.org>2017-09-04 13:53:14 +0200
commit0d0cf58cd6814ed63deb67fc5f4c27ad725075b1 (patch)
treec72cbfdfefa8b9e3524298b6c74bd104908b14d8
parent9da3c64589e4eae68631b1b5ed31c586be6ad923 (diff)
irqchip: mips-gic: Convert remaining local reg access to new accessors
Convert the remaining accesses to registers in the GIC VP-local & VP-other register blocks to use the new accessor functions provided by asm/mips-gic.h, resulting in code which is often shorter & easier to read. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/17036/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--drivers/irqchip/irq-mips-gic.c68
-rw-r--r--include/linux/irqchip/mips-gic.h44
2 files changed, 12 insertions, 100 deletions
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 42d7866c6cd5..ff6c2df86fe8 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -45,42 +45,6 @@ DECLARE_BITMAP(ipi_available, GIC_MAX_INTRS);
static void __gic_irq_dispatch(void);
-static inline u32 gic_read32(unsigned int reg)
-{
- return __raw_readl(mips_gic_base + reg);
-}
-
-static inline u64 gic_read64(unsigned int reg)
-{
- return __raw_readq(mips_gic_base + reg);
-}
-
-static inline unsigned long gic_read(unsigned int reg)
-{
- if (!mips_cm_is64)
- return gic_read32(reg);
- else
- return gic_read64(reg);
-}
-
-static inline void gic_write32(unsigned int reg, u32 val)
-{
- return __raw_writel(val, mips_gic_base + reg);
-}
-
-static inline void gic_write64(unsigned int reg, u64 val)
-{
- return __raw_writeq(val, mips_gic_base + reg);
-}
-
-static inline void gic_write(unsigned int reg, unsigned long val)
-{
- if (!mips_cm_is64)
- return gic_write32(reg, (u32)val);
- else
- return gic_write64(reg, (u64)val);
-}
-
static bool gic_local_irq_is_routable(int intr)
{
u32 vpe_ctl;
@@ -89,17 +53,17 @@ static bool gic_local_irq_is_routable(int intr)
if (cpu_has_veic)
return true;
- vpe_ctl = gic_read32(GIC_REG(VPE_LOCAL, GIC_VPE_CTL));
+ vpe_ctl = read_gic_vl_ctl();
switch (intr) {
case GIC_LOCAL_INT_TIMER:
- return vpe_ctl & GIC_VPE_CTL_TIMER_RTBL_MSK;
+ return vpe_ctl & GIC_VX_CTL_TIMER_ROUTABLE;
case GIC_LOCAL_INT_PERFCTR:
- return vpe_ctl & GIC_VPE_CTL_PERFCNT_RTBL_MSK;
+ return vpe_ctl & GIC_VX_CTL_PERFCNT_ROUTABLE;
case GIC_LOCAL_INT_FDC:
- return vpe_ctl & GIC_VPE_CTL_FDC_RTBL_MSK;
+ return vpe_ctl & GIC_VX_CTL_FDC_ROUTABLE;
case GIC_LOCAL_INT_SWINT0:
case GIC_LOCAL_INT_SWINT1:
- return vpe_ctl & GIC_VPE_CTL_SWINT_RTBL_MSK;
+ return vpe_ctl & GIC_VX_CTL_SWINT_ROUTABLE;
default:
return true;
}
@@ -111,8 +75,7 @@ static void gic_bind_eic_interrupt(int irq, int set)
irq -= GIC_PIN_TO_VEC_OFFSET;
/* Set irq to use shadow set */
- gic_write(GIC_REG(VPE_LOCAL, GIC_VPE_EIC_SHADOW_SET_BASE) +
- GIC_VPE_EIC_SS(irq), set);
+ write_gic_vl_eic_shadow_set(irq, set);
}
static void gic_send_ipi(struct irq_data *d, unsigned int cpu)
@@ -371,8 +334,7 @@ static void gic_mask_local_irq_all_vpes(struct irq_data *d)
spin_lock_irqsave(&gic_lock, flags);
for (i = 0; i < gic_vpes; i++) {
- gic_write(GIC_REG(VPE_LOCAL, GIC_VPE_OTHER_ADDR),
- mips_cm_vp_id(i));
+ write_gic_vl_other(mips_cm_vp_id(i));
write_gic_vo_rmask(BIT(intr));
}
spin_unlock_irqrestore(&gic_lock, flags);
@@ -386,8 +348,7 @@ static void gic_unmask_local_irq_all_vpes(struct irq_data *d)
spin_lock_irqsave(&gic_lock, flags);
for (i = 0; i < gic_vpes; i++) {
- gic_write(GIC_REG(VPE_LOCAL, GIC_VPE_OTHER_ADDR),
- mips_cm_vp_id(i));
+ write_gic_vl_other(mips_cm_vp_id(i));
write_gic_vo_smask(BIT(intr));
}
spin_unlock_irqrestore(&gic_lock, flags);
@@ -427,8 +388,7 @@ static void __init gic_basic_init(void)
for (i = 0; i < gic_vpes; i++) {
unsigned int j;
- gic_write(GIC_REG(VPE_LOCAL, GIC_VPE_OTHER_ADDR),
- mips_cm_vp_id(i));
+ write_gic_vl_other(mips_cm_vp_id(i));
for (j = 0; j < GIC_NUM_LOCAL_INTRS; j++) {
if (!gic_local_irq_is_routable(j))
continue;
@@ -712,10 +672,8 @@ static void __init __gic_init(unsigned long gic_base_addr,
if (cpu_has_veic) {
/* Set EIC mode for all VPEs */
for_each_present_cpu(cpu) {
- gic_write(GIC_REG(VPE_LOCAL, GIC_VPE_OTHER_ADDR),
- mips_cm_vp_id(cpu));
- gic_write(GIC_REG(VPE_OTHER, GIC_VPE_CTL),
- GIC_VPE_CTL_EIC_MODE_MSK);
+ write_gic_vl_other(mips_cm_vp_id(cpu));
+ write_gic_vo_ctl(GIC_VX_CTL_EIC);
}
/* Always use vector 1 in EIC mode */
@@ -740,9 +698,7 @@ static void __init __gic_init(unsigned long gic_base_addr,
*/
if (IS_ENABLED(CONFIG_MIPS_CMP) &&
gic_local_irq_is_routable(GIC_LOCAL_INT_TIMER)) {
- timer_cpu_pin = gic_read32(GIC_REG(VPE_LOCAL,
- GIC_VPE_TIMER_MAP)) &
- GIC_MAP_MSK;
+ timer_cpu_pin = read_gic_vl_timer_map() & GIC_MAP_PIN_MAP;
irq_set_chained_handler(MIPS_CPU_IRQ_BASE +
GIC_CPU_PIN_OFFSET +
timer_cpu_pin,
diff --git a/include/linux/irqchip/mips-gic.h b/include/linux/irqchip/mips-gic.h
index 011698962a8d..b7a3ce1da9a7 100644
--- a/include/linux/irqchip/mips-gic.h
+++ b/include/linux/irqchip/mips-gic.h
@@ -13,58 +13,14 @@
#define GIC_MAX_INTRS 256
-#define MSK(n) ((1 << (n)) - 1)
-
-/* Accessors */
-#define GIC_REG(segment, offset) (segment##_##SECTION_OFS + offset##_##OFS)
-
/* GIC Address Space */
-#define VPE_LOCAL_SECTION_OFS 0x8000
-#define VPE_LOCAL_SECTION_SIZE 0x4000
-#define VPE_OTHER_SECTION_OFS 0xc000
-#define VPE_OTHER_SECTION_SIZE 0x4000
#define USM_VISIBLE_SECTION_OFS 0x10000
#define USM_VISIBLE_SECTION_SIZE 0x10000
-/* Register Map for Local Section */
-#define GIC_VPE_CTL_OFS 0x0000
-#define GIC_VPE_TIMER_MAP_OFS 0x0048
-#define GIC_VPE_OTHER_ADDR_OFS 0x0080
-#define GIC_VPE_WD_CONFIG0_OFS 0x0090
-#define GIC_VPE_WD_COUNT0_OFS 0x0094
-#define GIC_VPE_WD_INITIAL0_OFS 0x0098
-
-#define GIC_VPE_EIC_SHADOW_SET_BASE_OFS 0x0100
-#define GIC_VPE_EIC_SS(intr) (4 * (intr))
-
-#define GIC_VPE_EIC_VEC_BASE_OFS 0x0800
-#define GIC_VPE_EIC_VEC(intr) (4 * (intr))
-
-#define GIC_VPE_TENABLE_NMI_OFS 0x1000
-#define GIC_VPE_TENABLE_YQ_OFS 0x1004
-#define GIC_VPE_TENABLE_INT_31_0_OFS 0x1080
-#define GIC_VPE_TENABLE_INT_63_32_OFS 0x1084
-
/* User Mode Visible Section Register Map */
#define GIC_UMV_SH_COUNTER_31_00_OFS 0x0000
#define GIC_UMV_SH_COUNTER_63_32_OFS 0x0004
-/* Masks */
-#define GIC_MAP_SHF 0
-#define GIC_MAP_MSK (MSK(6) << GIC_MAP_SHF)
-
-/* GIC_VPE_CTL Masks */
-#define GIC_VPE_CTL_FDC_RTBL_SHF 4
-#define GIC_VPE_CTL_FDC_RTBL_MSK (MSK(1) << GIC_VPE_CTL_FDC_RTBL_SHF)
-#define GIC_VPE_CTL_SWINT_RTBL_SHF 3
-#define GIC_VPE_CTL_SWINT_RTBL_MSK (MSK(1) << GIC_VPE_CTL_SWINT_RTBL_SHF)
-#define GIC_VPE_CTL_PERFCNT_RTBL_SHF 2
-#define GIC_VPE_CTL_PERFCNT_RTBL_MSK (MSK(1) << GIC_VPE_CTL_PERFCNT_RTBL_SHF)
-#define GIC_VPE_CTL_TIMER_RTBL_SHF 1
-#define GIC_VPE_CTL_TIMER_RTBL_MSK (MSK(1) << GIC_VPE_CTL_TIMER_RTBL_SHF)
-#define GIC_VPE_CTL_EIC_MODE_SHF 0
-#define GIC_VPE_CTL_EIC_MODE_MSK (MSK(1) << GIC_VPE_CTL_EIC_MODE_SHF)
-
/* GIC nomenclature for Core Interrupt Pins. */
#define GIC_CPU_INT0 0 /* Core Interrupt 2 */
#define GIC_CPU_INT1 1 /* . */