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authorJohn Crispin <john@openwrt.org>2015-12-11 15:02:55 +0000
committerJohn Crispin <john@openwrt.org>2015-12-11 15:02:55 +0000
commite4ee2402cbe85f364c3a40ed1a0230295757165b (patch)
tree38c56f0a95d39f66d21878abae1e840475abc6d2 /target
parented8775d3c3cd257fe2967ca4b2d52d69ced47425 (diff)
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ramips: fold gic patch into mt7621 support patch
All gic patch was doing is removing code added by mt7621 support patch. Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com> SVN-Revision: 47839
Diffstat (limited to 'target')
-rw-r--r--target/linux/ramips/patches-4.3/0001-arch-mips-ralink-add-mt7621-support.patch289
-rw-r--r--target/linux/ramips/patches-4.3/0053-gic.patch305
2 files changed, 23 insertions, 571 deletions
diff --git a/target/linux/ramips/patches-4.3/0001-arch-mips-ralink-add-mt7621-support.patch b/target/linux/ramips/patches-4.3/0001-arch-mips-ralink-add-mt7621-support.patch
index 504c572..67d816c 100644
--- a/target/linux/ramips/patches-4.3/0001-arch-mips-ralink-add-mt7621-support.patch
+++ b/target/linux/ramips/patches-4.3/0001-arch-mips-ralink-add-mt7621-support.patch
@@ -22,9 +22,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
create mode 100644 arch/mips/ralink/malta-amon.c
create mode 100644 arch/mips/ralink/mt7621.c
-diff --git a/arch/mips/include/asm/mach-ralink/irq.h b/arch/mips/include/asm/mach-ralink/irq.h
-new file mode 100644
-index 0000000..4321865
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/irq.h
@@ -0,0 +1,9 @@
@@ -37,9 +34,6 @@ index 0000000..4321865
+#include_next <irq.h>
+
+#endif
-diff --git a/arch/mips/include/asm/mach-ralink/mt7621.h b/arch/mips/include/asm/mach-ralink/mt7621.h
-new file mode 100644
-index 0000000..21c8dc2
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/mt7621.h
@@ -0,0 +1,39 @@
@@ -82,8 +76,6 @@ index 0000000..21c8dc2
+#define MIPS_GIC_IRQ_BASE (MIPS_CPU_IRQ_BASE + 8)
+
+#endif
-diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c
-index b8ceee5..b97de1d 100644
--- a/arch/mips/kernel/mips-cm.c
+++ b/arch/mips/kernel/mips-cm.c
@@ -232,7 +232,7 @@ int mips_cm_probe(void)
@@ -104,8 +96,6 @@ index b8ceee5..b97de1d 100644
/* probe for an L2-only sync region */
mips_cm_probe_l2sync();
-diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
-index 07d32a4..86c6284 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -51,6 +51,7 @@ SECTIONS
@@ -116,8 +106,6 @@ index 07d32a4..86c6284 100644
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
-diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
-index e9bc8c9..d078e61 100644
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -12,6 +12,11 @@ config RALINK_ILL_ACC
@@ -142,9 +130,9 @@ index e9bc8c9..d078e61 100644
+ select SYS_SUPPORTS_MULTITHREADING
+ select SYS_SUPPORTS_SMP
+ select SYS_SUPPORTS_MIPS_CMP
++ select MIPS_GIC
+ select IRQ_GIC
+ select HW_HAS_PCI
-+
endchoice
choice
@@ -159,8 +147,6 @@ index e9bc8c9..d078e61 100644
endchoice
endif
-diff --git a/arch/mips/ralink/Makefile b/arch/mips/ralink/Makefile
-index a6c9d00..ca501db 100644
--- a/arch/mips/ralink/Makefile
+++ b/arch/mips/ralink/Makefile
@@ -6,16 +6,21 @@
@@ -175,7 +161,7 @@ index a6c9d00..ca501db 100644
obj-$(CONFIG_RALINK_ILL_ACC) += ill_acc.o
+obj-$(CONFIG_IRQ_INTC) += irq.o
-+obj-$(CONFIG_IRQ_GIC) += irq-gic.o
++obj-$(CONFIG_MIPS_GIC_IPI) += irq-gic.o
+obj-$(CONFIG_MIPS_MT_SMP) += malta-amon.o
+
obj-$(CONFIG_SOC_RT288X) += rt288x.o
@@ -186,11 +172,9 @@ index a6c9d00..ca501db 100644
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-diff --git a/arch/mips/ralink/Platform b/arch/mips/ralink/Platform
-index 6d9c8c4..6095fcc 100644
--- a/arch/mips/ralink/Platform
+++ b/arch/mips/ralink/Platform
-@@ -27,3 +27,8 @@ cflags-$(CONFIG_SOC_RT3883) += -I$(srctree)/arch/mips/include/asm/mach-ralink/rt
+@@ -27,3 +27,8 @@ cflags-$(CONFIG_SOC_RT3883) += -I$(srctr
#
load-$(CONFIG_SOC_MT7620) += 0xffffffff80000000
cflags-$(CONFIG_SOC_MT7620) += -I$(srctree)/arch/mips/include/asm/mach-ralink/mt7620
@@ -199,12 +183,9 @@ index 6d9c8c4..6095fcc 100644
+#
+load-$(CONFIG_SOC_MT7621) += 0xffffffff80001000
+cflags-$(CONFIG_SOC_MT7621) += -I$(srctree)/arch/mips/include/asm/mach-ralink/mt7621
-diff --git a/arch/mips/ralink/irq-gic.c b/arch/mips/ralink/irq-gic.c
-new file mode 100644
-index 0000000..f1c541b
--- /dev/null
+++ b/arch/mips/ralink/irq-gic.c
-@@ -0,0 +1,268 @@
+@@ -0,0 +1,42 @@
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
@@ -223,248 +204,22 @@ index 0000000..f1c541b
+#include <asm/irq.h>
+#include <asm/setup.h>
+
-+#include <asm/gic.h>
++#include <asm/mips-cm.h>
++#include <linux/irqchip/mips-gic.h>
+
+#include <asm/mach-ralink/mt7621.h>
-+#define GIC_BASE_ADDR 0x1fbc0000
-+
-+unsigned long _gcmp_base;
-+static int gic_resched_int_base = 56;
-+static int gic_call_int_base = 60;
-+static struct irq_chip *irq_gic;
-+static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS];
-+
-+#if defined(CONFIG_MIPS_MT_SMP)
-+static int gic_resched_int_base;
-+static int gic_call_int_base;
-+
-+#define GIC_RESCHED_INT(cpu) (gic_resched_int_base+(cpu))
-+#define GIC_CALL_INT(cpu) (gic_call_int_base+(cpu))
-+
-+static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
-+{
-+ scheduler_ipi();
-+
-+ return IRQ_HANDLED;
-+}
-+
-+static irqreturn_t
-+ipi_call_interrupt(int irq, void *dev_id)
-+{
-+ smp_call_function_interrupt();
-+
-+ return IRQ_HANDLED;
-+}
-+
-+static struct irqaction irq_resched = {
-+ .handler = ipi_resched_interrupt,
-+ .flags = IRQF_DISABLED|IRQF_PERCPU,
-+ .name = "ipi resched"
-+};
-+
-+static struct irqaction irq_call = {
-+ .handler = ipi_call_interrupt,
-+ .flags = IRQF_DISABLED|IRQF_PERCPU,
-+ .name = "ipi call"
-+};
-+
-+#endif
-+
-+static void __init
-+gic_fill_map(void)
-+{
-+ int i;
-+
-+ for (i = 0; i < ARRAY_SIZE(gic_intr_map); i++) {
-+ gic_intr_map[i].cpunum = 0;
-+ gic_intr_map[i].pin = GIC_CPU_INT0;
-+ gic_intr_map[i].polarity = GIC_POL_POS;
-+ gic_intr_map[i].trigtype = GIC_TRIG_LEVEL;
-+ gic_intr_map[i].flags = 0;
-+ }
-+
-+#if defined(CONFIG_MIPS_MT_SMP)
-+ {
-+ int cpu;
-+
-+ gic_call_int_base = ARRAY_SIZE(gic_intr_map) - nr_cpu_ids;
-+ gic_resched_int_base = gic_call_int_base - nr_cpu_ids;
-+
-+ i = gic_resched_int_base;
-+
-+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
-+ gic_intr_map[i + cpu].cpunum = cpu;
-+ gic_intr_map[i + cpu].pin = GIC_CPU_INT1;
-+ gic_intr_map[i + cpu].trigtype = GIC_TRIG_EDGE;
-+
-+ gic_intr_map[i + cpu + nr_cpu_ids].cpunum = cpu;
-+ gic_intr_map[i + cpu + nr_cpu_ids].pin = GIC_CPU_INT2;
-+ gic_intr_map[i + cpu + nr_cpu_ids].trigtype = GIC_TRIG_EDGE;
-+ }
-+ }
-+#endif
-+}
-+
-+void
-+gic_irq_ack(struct irq_data *d)
-+{
-+ int irq = (d->irq - gic_irq_base);
-+
-+ GIC_CLR_INTR_MASK(irq);
-+
-+ if (gic_irq_flags[irq] & GIC_TRIG_EDGE)
-+ GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq);
-+}
-+
-+void
-+gic_finish_irq(struct irq_data *d)
-+{
-+ GIC_SET_INTR_MASK(d->irq - gic_irq_base);
-+}
-+
-+void __init
-+gic_platform_init(int irqs, struct irq_chip *irq_controller)
-+{
-+ irq_gic = irq_controller;
-+}
+
-+static void
-+gic_irqdispatch(void)
-+{
-+ unsigned int irq = gic_get_int();
-+
-+ if (likely(irq < GIC_NUM_INTRS))
-+ do_IRQ(MIPS_GIC_IRQ_BASE + irq);
-+ else {
-+ pr_debug("Spurious GIC Interrupt!\n");
-+ spurious_interrupt();
-+ }
-+
-+}
-+
-+static void
-+vi_timer_irqdispatch(void)
-+{
-+ do_IRQ(cp0_compare_irq);
-+}
-+
-+#if defined(CONFIG_MIPS_MT_SMP)
-+unsigned int
-+plat_ipi_call_int_xlate(unsigned int cpu)
-+{
-+ return GIC_CALL_INT(cpu);
-+}
-+
-+unsigned int
-+plat_ipi_resched_int_xlate(unsigned int cpu)
-+{
-+ return GIC_RESCHED_INT(cpu);
-+}
-+#endif
-+
-+asmlinkage void
-+plat_irq_dispatch(void)
-+{
-+ unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
-+
-+ if (unlikely(!pending)) {
-+ pr_err("Spurious CP0 Interrupt!\n");
-+ spurious_interrupt();
-+ } else {
-+ if (pending & CAUSEF_IP7)
-+ do_IRQ(cp0_compare_irq);
-+
-+ if (pending & (CAUSEF_IP4 | CAUSEF_IP3 | CAUSEF_IP2))
-+ gic_irqdispatch();
-+ }
-+}
++extern int __init gic_of_init(struct device_node *node,
++ struct device_node *parent);
+
-+unsigned int __cpuinit
-+get_c0_compare_int(void)
++unsigned int get_c0_compare_int(void)
+{
-+ return CP0_LEGACY_COMPARE_IRQ;
-+}
-+
-+static int
-+gic_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
-+{
-+ irq_set_chip_and_handler(irq, irq_gic,
-+#if defined(CONFIG_MIPS_MT_SMP)
-+ (hw >= gic_resched_int_base) ?
-+ handle_percpu_irq :
-+#endif
-+ handle_level_irq);
-+
-+ return 0;
-+}
-+
-+static const struct irq_domain_ops irq_domain_ops = {
-+ .xlate = irq_domain_xlate_onecell,
-+ .map = gic_map,
-+};
-+
-+static int __init
-+of_gic_init(struct device_node *node,
-+ struct device_node *parent)
-+{
-+ struct irq_domain *domain;
-+ struct resource gcmp = { 0 }, gic = { 0 };
-+ unsigned int gic_rev;
-+ int i;
-+
-+ if (of_address_to_resource(node, 0, &gic))
-+ panic("Failed to get gic memory range");
-+ if (request_mem_region(gic.start, resource_size(&gic),
-+ gic.name) < 0)
-+ panic("Failed to request gic memory");
-+ if (of_address_to_resource(node, 2, &gcmp))
-+ panic("Failed to get gic memory range");
-+ if (request_mem_region(gcmp.start, resource_size(&gcmp),
-+ gcmp.name) < 0)
-+ panic("Failed to request gcmp memory");
-+
-+ _gcmp_base = (unsigned long) ioremap_nocache(gcmp.start, resource_size(&gcmp));
-+ if (!_gcmp_base)
-+ panic("Failed to remap gcmp memory\n");
-+
-+ /* tell the gcmp where to find the gic */
-+ write_gcr_gic_base(GIC_BASE_ADDR | CM_GCR_GIC_BASE_GICEN_MSK);
-+ gic_present = 1;
-+ if (cpu_has_vint) {
-+ set_vi_handler(2, gic_irqdispatch);
-+ set_vi_handler(3, gic_irqdispatch);
-+ set_vi_handler(4, gic_irqdispatch);
-+ set_vi_handler(7, vi_timer_irqdispatch);
-+ }
-+
-+ gic_fill_map();
-+
-+ gic_init(gic.start, resource_size(&gic), gic_intr_map,
-+ ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE);
-+
-+ GICREAD(GIC_REG(SHARED, GIC_SH_REVISIONID), gic_rev);
-+ pr_info("gic: revision %d.%d\n", (gic_rev >> 8) & 0xff, gic_rev & 0xff);
-+
-+ domain = irq_domain_add_legacy(node, GIC_NUM_INTRS, MIPS_GIC_IRQ_BASE,
-+ 0, &irq_domain_ops, NULL);
-+ if (!domain)
-+ panic("Failed to add irqdomain");
-+
-+#if defined(CONFIG_MIPS_MT_SMP)
-+ for (i = 0; i < nr_cpu_ids; i++) {
-+ setup_irq(MIPS_GIC_IRQ_BASE + GIC_RESCHED_INT(i), &irq_resched);
-+ setup_irq(MIPS_GIC_IRQ_BASE + GIC_CALL_INT(i), &irq_call);
-+ }
-+#endif
-+
-+ change_c0_status(ST0_IM, STATUSF_IP7 | STATUSF_IP4 | STATUSF_IP3 |
-+ STATUSF_IP2);
-+ return 0;
++ return gic_get_c0_compare_int();
+}
+
+static struct of_device_id __initdata of_irq_ids[] = {
-+ { .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_intc_init },
-+ { .compatible = "ralink,mt7621-gic", .data = of_gic_init },
++ { .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_irq_of_init },
++ { .compatible = "mti,gic", .data = gic_of_init },
+ {},
+};
+
@@ -473,9 +228,6 @@ index 0000000..f1c541b
+{
+ of_irq_init(of_irq_ids);
+}
-diff --git a/arch/mips/ralink/malta-amon.c b/arch/mips/ralink/malta-amon.c
-new file mode 100644
-index 0000000..1e47844
--- /dev/null
+++ b/arch/mips/ralink/malta-amon.c
@@ -0,0 +1,81 @@
@@ -560,9 +312,6 @@ index 0000000..1e47844
+ smp_rmb(); /* Target will be updating flags soon */
+ pr_debug("launch: cpu%d gone!\n", cpu);
+}
-diff --git a/arch/mips/ralink/mt7621.c b/arch/mips/ralink/mt7621.c
-new file mode 100644
-index 0000000..c28743b
--- /dev/null
+++ b/arch/mips/ralink/mt7621.c
@@ -0,0 +1,209 @@
@@ -775,6 +524,14 @@ index 0000000..c28743b
+ if (!register_vsmp_smp_ops())
+ return;
+}
---
-1.7.10.4
-
+--- a/drivers/irqchip/irq-mips-gic.c
++++ b/drivers/irqchip/irq-mips-gic.c
+@@ -862,7 +862,7 @@ void __init gic_init(unsigned long gic_b
+ __gic_init(gic_base_addr, gic_addrspace_size, cpu_vec, irqbase, NULL);
+ }
+
+-static int __init gic_of_init(struct device_node *node,
++int __init gic_of_init(struct device_node *node,
+ struct device_node *parent)
+ {
+ struct resource res;
diff --git a/target/linux/ramips/patches-4.3/0053-gic.patch b/target/linux/ramips/patches-4.3/0053-gic.patch
deleted file mode 100644
index c20cedf..0000000
--- a/target/linux/ramips/patches-4.3/0053-gic.patch
+++ /dev/null
@@ -1,305 +0,0 @@
-From 7b042645c1bd6407b1f7d9aa5785868e7e14b860 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Mon, 7 Dec 2015 18:40:16 +0100
-Subject: [PATCH 53/53] gic
-
----
- arch/mips/ralink/Kconfig | 1 +
- arch/mips/ralink/Makefile | 2 +-
- arch/mips/ralink/irq-gic.c | 212 ++------------------------------------------
- 3 files changed, 11 insertions(+), 204 deletions(-)
-
---- a/arch/mips/ralink/Kconfig
-+++ b/arch/mips/ralink/Kconfig
-@@ -51,9 +51,9 @@
- select SYS_SUPPORTS_MULTITHREADING
- select SYS_SUPPORTS_SMP
- select SYS_SUPPORTS_MIPS_CMP
-+ select MIPS_GIC
- select IRQ_GIC
- select HW_HAS_PCI
--
- endchoice
-
- choice
---- a/arch/mips/ralink/Makefile
-+++ b/arch/mips/ralink/Makefile
-@@ -13,7 +13,7 @@
- obj-$(CONFIG_RALINK_ILL_ACC) += ill_acc.o
-
- obj-$(CONFIG_IRQ_INTC) += irq.o
--obj-$(CONFIG_IRQ_GIC) += irq-gic.o
-+obj-$(CONFIG_MIPS_GIC_IPI) += irq-gic.o
- obj-$(CONFIG_MIPS_MT_SMP) += malta-amon.o
-
- obj-$(CONFIG_SOC_RT288X) += rt288x.o
---- a/arch/mips/ralink/irq-gic.c
-+++ b/arch/mips/ralink/irq-gic.c
-@@ -16,248 +16,22 @@
- #include <asm/irq.h>
- #include <asm/setup.h>
-
--#include <asm/gic.h>
-+#include <asm/mips-cm.h>
-+#include <linux/irqchip/mips-gic.h>
-
- #include <asm/mach-ralink/mt7621.h>
--#define GIC_BASE_ADDR 0x1fbc0000
-
--unsigned long _gcmp_base;
--static int gic_resched_int_base = 56;
--static int gic_call_int_base = 60;
--static struct irq_chip *irq_gic;
--static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS];
--
--#if defined(CONFIG_MIPS_MT_SMP)
--static int gic_resched_int_base;
--static int gic_call_int_base;
-+extern int __init gic_of_init(struct device_node *node,
-+ struct device_node *parent);
-
--#define GIC_RESCHED_INT(cpu) (gic_resched_int_base+(cpu))
--#define GIC_CALL_INT(cpu) (gic_call_int_base+(cpu))
--
--static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
--{
-- scheduler_ipi();
--
-- return IRQ_HANDLED;
--}
--
--static irqreturn_t
--ipi_call_interrupt(int irq, void *dev_id)
--{
-- smp_call_function_interrupt();
--
-- return IRQ_HANDLED;
--}
--
--static struct irqaction irq_resched = {
-- .handler = ipi_resched_interrupt,
-- .flags = IRQF_DISABLED|IRQF_PERCPU,
-- .name = "ipi resched"
--};
--
--static struct irqaction irq_call = {
-- .handler = ipi_call_interrupt,
-- .flags = IRQF_DISABLED|IRQF_PERCPU,
-- .name = "ipi call"
--};
--
--#endif
--
--static void __init
--gic_fill_map(void)
--{
-- int i;
--
-- for (i = 0; i < ARRAY_SIZE(gic_intr_map); i++) {
-- gic_intr_map[i].cpunum = 0;
-- gic_intr_map[i].pin = GIC_CPU_INT0;
-- gic_intr_map[i].polarity = GIC_POL_POS;
-- gic_intr_map[i].trigtype = GIC_TRIG_LEVEL;
-- gic_intr_map[i].flags = 0;
-- }
--
--#if defined(CONFIG_MIPS_MT_SMP)
-- {
-- int cpu;
--
-- gic_call_int_base = ARRAY_SIZE(gic_intr_map) - nr_cpu_ids;
-- gic_resched_int_base = gic_call_int_base - nr_cpu_ids;
--
-- i = gic_resched_int_base;
--
-- for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
-- gic_intr_map[i + cpu].cpunum = cpu;
-- gic_intr_map[i + cpu].pin = GIC_CPU_INT1;
-- gic_intr_map[i + cpu].trigtype = GIC_TRIG_EDGE;
--
-- gic_intr_map[i + cpu + nr_cpu_ids].cpunum = cpu;
-- gic_intr_map[i + cpu + nr_cpu_ids].pin = GIC_CPU_INT2;
-- gic_intr_map[i + cpu + nr_cpu_ids].trigtype = GIC_TRIG_EDGE;
-- }
-- }
--#endif
--}
--
--void
--gic_irq_ack(struct irq_data *d)
--{
-- int irq = (d->irq - gic_irq_base);
--
-- GIC_CLR_INTR_MASK(irq);
--
-- if (gic_irq_flags[irq] & GIC_TRIG_EDGE)
-- GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq);
--}
--
--void
--gic_finish_irq(struct irq_data *d)
--{
-- GIC_SET_INTR_MASK(d->irq - gic_irq_base);
--}
--
--void __init
--gic_platform_init(int irqs, struct irq_chip *irq_controller)
--{
-- irq_gic = irq_controller;
--}
--
--static void
--gic_irqdispatch(void)
--{
-- unsigned int irq = gic_get_int();
--
-- if (likely(irq < GIC_NUM_INTRS))
-- do_IRQ(MIPS_GIC_IRQ_BASE + irq);
-- else {
-- pr_debug("Spurious GIC Interrupt!\n");
-- spurious_interrupt();
-- }
--
--}
--
--static void
--vi_timer_irqdispatch(void)
--{
-- do_IRQ(cp0_compare_irq);
--}
--
--#if defined(CONFIG_MIPS_MT_SMP)
--unsigned int
--plat_ipi_call_int_xlate(unsigned int cpu)
--{
-- return GIC_CALL_INT(cpu);
--}
--
--unsigned int
--plat_ipi_resched_int_xlate(unsigned int cpu)
--{
-- return GIC_RESCHED_INT(cpu);
--}
--#endif
--
--asmlinkage void
--plat_irq_dispatch(void)
--{
-- unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
--
-- if (unlikely(!pending)) {
-- pr_err("Spurious CP0 Interrupt!\n");
-- spurious_interrupt();
-- } else {
-- if (pending & CAUSEF_IP7)
-- do_IRQ(cp0_compare_irq);
--
-- if (pending & (CAUSEF_IP4 | CAUSEF_IP3 | CAUSEF_IP2))
-- gic_irqdispatch();
-- }
--}
--
--unsigned int __cpuinit
--get_c0_compare_int(void)
--{
-- return CP0_LEGACY_COMPARE_IRQ;
--}
--
--static int
--gic_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
--{
-- irq_set_chip_and_handler(irq, irq_gic,
--#if defined(CONFIG_MIPS_MT_SMP)
-- (hw >= gic_resched_int_base) ?
-- handle_percpu_irq :
--#endif
-- handle_level_irq);
--
-- return 0;
--}
--
--static const struct irq_domain_ops irq_domain_ops = {
-- .xlate = irq_domain_xlate_onecell,
-- .map = gic_map,
--};
--
--static int __init
--of_gic_init(struct device_node *node,
-- struct device_node *parent)
-+unsigned int get_c0_compare_int(void)
- {
-- struct irq_domain *domain;
-- struct resource gcmp = { 0 }, gic = { 0 };
-- unsigned int gic_rev;
-- int i;
--
-- if (of_address_to_resource(node, 0, &gic))
-- panic("Failed to get gic memory range");
-- if (request_mem_region(gic.start, resource_size(&gic),
-- gic.name) < 0)
-- panic("Failed to request gic memory");
-- if (of_address_to_resource(node, 2, &gcmp))
-- panic("Failed to get gic memory range");
-- if (request_mem_region(gcmp.start, resource_size(&gcmp),
-- gcmp.name) < 0)
-- panic("Failed to request gcmp memory");
--
-- _gcmp_base = (unsigned long) ioremap_nocache(gcmp.start, resource_size(&gcmp));
-- if (!_gcmp_base)
-- panic("Failed to remap gcmp memory\n");
--
-- /* tell the gcmp where to find the gic */
-- write_gcr_gic_base(GIC_BASE_ADDR | CM_GCR_GIC_BASE_GICEN_MSK);
-- gic_present = 1;
-- if (cpu_has_vint) {
-- set_vi_handler(2, gic_irqdispatch);
-- set_vi_handler(3, gic_irqdispatch);
-- set_vi_handler(4, gic_irqdispatch);
-- set_vi_handler(7, vi_timer_irqdispatch);
-- }
--
-- gic_fill_map();
--
-- gic_init(gic.start, resource_size(&gic), gic_intr_map,
-- ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE);
--
-- GICREAD(GIC_REG(SHARED, GIC_SH_REVISIONID), gic_rev);
-- pr_info("gic: revision %d.%d\n", (gic_rev >> 8) & 0xff, gic_rev & 0xff);
--
-- domain = irq_domain_add_legacy(node, GIC_NUM_INTRS, MIPS_GIC_IRQ_BASE,
-- 0, &irq_domain_ops, NULL);
-- if (!domain)
-- panic("Failed to add irqdomain");
--
--#if defined(CONFIG_MIPS_MT_SMP)
-- for (i = 0; i < nr_cpu_ids; i++) {
-- setup_irq(MIPS_GIC_IRQ_BASE + GIC_RESCHED_INT(i), &irq_resched);
-- setup_irq(MIPS_GIC_IRQ_BASE + GIC_CALL_INT(i), &irq_call);
-- }
--#endif
--
-- change_c0_status(ST0_IM, STATUSF_IP7 | STATUSF_IP4 | STATUSF_IP3 |
-- STATUSF_IP2);
-- return 0;
-+ return gic_get_c0_compare_int();
- }
-
- static struct of_device_id __initdata of_irq_ids[] = {
-- { .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_intc_init },
-- { .compatible = "ralink,mt7621-gic", .data = of_gic_init },
-+ { .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_irq_of_init },
-+ { .compatible = "mti,gic", .data = gic_of_init },
- {},
- };
-
---- a/drivers/irqchip/irq-mips-gic.c
-+++ b/drivers/irqchip/irq-mips-gic.c
-@@ -864,7 +864,7 @@
- __gic_init(gic_base_addr, gic_addrspace_size, cpu_vec, irqbase, NULL);
- }
-
--static int __init gic_of_init(struct device_node *node,
-+int __init gic_of_init(struct device_node *node,
- struct device_node *parent)
- {
- struct resource res;