summaryrefslogtreecommitdiff
path: root/arch/mips/mti-malta
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/mti-malta')
-rw-r--r--arch/mips/mti-malta/Makefile2
-rw-r--r--arch/mips/mti-malta/malta-dt.c34
-rw-r--r--arch/mips/mti-malta/malta-int.c2
-rw-r--r--arch/mips/mti-malta/malta-setup.c4
-rw-r--r--arch/mips/mti-malta/malta-time.c20
5 files changed, 53 insertions, 9 deletions
diff --git a/arch/mips/mti-malta/Makefile b/arch/mips/mti-malta/Makefile
index 6510ace27..ea35587a5 100644
--- a/arch/mips/mti-malta/Makefile
+++ b/arch/mips/mti-malta/Makefile
@@ -5,7 +5,7 @@
# Copyright (C) 2008 Wind River Systems, Inc.
# written by Ralf Baechle <ralf@linux-mips.org>
#
-obj-y := malta-display.o malta-init.o \
+obj-y := malta-display.o malta-dt.o malta-init.o \
malta-int.o malta-memory.o malta-platform.o \
malta-reset.o malta-setup.o malta-time.o
diff --git a/arch/mips/mti-malta/malta-dt.c b/arch/mips/mti-malta/malta-dt.c
new file mode 100644
index 000000000..47a228892
--- /dev/null
+++ b/arch/mips/mti-malta/malta-dt.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2015 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/init.h>
+#include <linux/of_fdt.h>
+#include <linux/of_platform.h>
+
+void __init device_tree_init(void)
+{
+ unflatten_and_copy_device_tree();
+}
+
+static const struct of_device_id bus_ids[] __initconst = {
+ { .compatible = "simple-bus", },
+ { .compatible = "isa", },
+ {},
+};
+
+static int __init publish_devices(void)
+{
+ if (!of_have_populated_dt())
+ return 0;
+
+ return of_platform_bus_probe(NULL, bus_ids, NULL);
+}
+device_initcall(publish_devices);
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index d1392f8f5..fa8f591f3 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -222,7 +222,7 @@ static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
static irqreturn_t ipi_call_interrupt(int irq, void *dev_id)
{
- smp_call_function_interrupt();
+ generic_smp_call_function_interrupt();
return IRQ_HANDLED;
}
diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c
index db7c9e582..9d1e7f5ec 100644
--- a/arch/mips/mti-malta/malta-setup.c
+++ b/arch/mips/mti-malta/malta-setup.c
@@ -21,6 +21,7 @@
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/irq.h>
+#include <linux/of_fdt.h>
#include <linux/pci.h>
#include <linux/screen_info.h>
#include <linux/time.h>
@@ -31,6 +32,7 @@
#include <asm/mips-boards/malta.h>
#include <asm/mips-boards/maltaint.h>
#include <asm/dma.h>
+#include <asm/prom.h>
#include <asm/traps.h>
#ifdef CONFIG_VT
#include <linux/console.h>
@@ -249,6 +251,8 @@ void __init plat_mem_setup(void)
{
unsigned int i;
+ __dt_setup_arch(__dtb_start);
+
if (config_enabled(CONFIG_EVA))
/* EVA has already been configured in mach-malta/kernel-init.h */
pr_info("Enhanced Virtual Addressing (EVA) activated\n");
diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c
index a7f7d9ffb..b7bf721ea 100644
--- a/arch/mips/mti-malta/malta-time.c
+++ b/arch/mips/mti-malta/malta-time.c
@@ -119,18 +119,24 @@ void read_persistent_clock(struct timespec *ts)
int get_c0_fdc_int(void)
{
- int mips_cpu_fdc_irq;
+ /*
+ * Some cores claim the FDC is routable through the GIC, but it doesn't
+ * actually seem to be connected for those Malta bitstreams.
+ */
+ switch (current_cpu_type()) {
+ case CPU_INTERAPTIV:
+ case CPU_PROAPTIV:
+ return -1;
+ };
if (cpu_has_veic)
- mips_cpu_fdc_irq = -1;
+ return -1;
else if (gic_present)
- mips_cpu_fdc_irq = gic_get_c0_fdc_int();
+ return gic_get_c0_fdc_int();
else if (cp0_fdc_irq >= 0)
- mips_cpu_fdc_irq = MIPS_CPU_IRQ_BASE + cp0_fdc_irq;
+ return MIPS_CPU_IRQ_BASE + cp0_fdc_irq;
else
- mips_cpu_fdc_irq = -1;
-
- return mips_cpu_fdc_irq;
+ return -1;
}
int get_c0_perfcount_int(void)