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-rw-r--r--arch/arm/mach-clps711x/Makefile2
-rw-r--r--arch/arm/mach-clps711x/common.c (renamed from arch/arm/mach-clps711x/irq.c)95
-rw-r--r--arch/arm/mach-clps711x/mm.c48
-rw-r--r--arch/arm/mach-clps711x/time.c84
4 files changed, 88 insertions, 141 deletions
diff --git a/arch/arm/mach-clps711x/Makefile b/arch/arm/mach-clps711x/Makefile
index 4a197315f0cf..f2f0256232e3 100644
--- a/arch/arm/mach-clps711x/Makefile
+++ b/arch/arm/mach-clps711x/Makefile
@@ -4,7 +4,7 @@
# Object file lists.
-obj-y := irq.o mm.o time.o
+obj-y := common.o
obj-m :=
obj-n :=
obj- :=
diff --git a/arch/arm/mach-clps711x/irq.c b/arch/arm/mach-clps711x/common.c
index c2eceee645e3..ced2a4e406f4 100644
--- a/arch/arm/mach-clps711x/irq.c
+++ b/arch/arm/mach-clps711x/common.c
@@ -1,7 +1,9 @@
/*
- * linux/arch/arm/mach-clps711x/irq.c
+ * linux/arch/arm/mach-clps711x/core.c
*
- * Copyright (C) 2000 Deep Blue Solutions Ltd.
+ * Core support for the CLPS711x-based machines.
+ *
+ * Copyright (C) 2001,2011 Deep Blue Solutions Ltd
*
* 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
@@ -17,16 +19,42 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <linux/kernel.h>
+#include <linux/mm.h>
#include <linux/init.h>
-#include <linux/list.h>
+#include <linux/interrupt.h>
#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/sched.h>
+#include <linux/timex.h>
-#include <asm/mach/irq.h>
+#include <asm/sizes.h>
#include <mach/hardware.h>
#include <asm/irq.h>
-
+#include <asm/leds.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
#include <asm/hardware/clps7111.h>
+/*
+ * This maps the generic CLPS711x registers
+ */
+static struct map_desc clps711x_io_desc[] __initdata = {
+ {
+ .virtual = CLPS7111_VIRT_BASE,
+ .pfn = __phys_to_pfn(CLPS7111_PHYS_BASE),
+ .length = SZ_1M,
+ .type = MT_DEVICE
+ }
+};
+
+void __init clps711x_map_io(void)
+{
+ iotable_init(clps711x_io_desc, ARRAY_SIZE(clps711x_io_desc));
+}
+
static void int1_mask(struct irq_data *d)
{
u32 intmr1;
@@ -112,15 +140,15 @@ void __init clps711x_init_irq(void)
for (i = 0; i < NR_IRQS; i++) {
if (INT1_IRQS & (1 << i)) {
- irq_set_chip_and_handler(i, &int1_chip,
+ irq_set_chip_and_handler(i, &int1_chip,
handle_level_irq);
- set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
+ set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
}
if (INT2_IRQS & (1 << i)) {
irq_set_chip_and_handler(i, &int2_chip,
handle_level_irq);
set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
- }
+ }
}
/*
@@ -141,3 +169,54 @@ void __init clps711x_init_irq(void)
clps_writel(0, SYNCIO);
clps_writel(0, KBDEOI);
}
+
+/*
+ * gettimeoffset() returns time since last timer tick, in usecs.
+ *
+ * 'LATCH' is hwclock ticks (see CLOCK_TICK_RATE in timex.h) per jiffy.
+ * 'tick' is usecs per jiffy.
+ */
+static unsigned long clps711x_gettimeoffset(void)
+{
+ unsigned long hwticks;
+ hwticks = LATCH - (clps_readl(TC2D) & 0xffff); /* since last underflow */
+ return (hwticks * (tick_nsec / 1000)) / LATCH;
+}
+
+/*
+ * IRQ handler for the timer
+ */
+static irqreturn_t p720t_timer_interrupt(int irq, void *dev_id)
+{
+ timer_tick();
+ return IRQ_HANDLED;
+}
+
+static struct irqaction clps711x_timer_irq = {
+ .name = "CLPS711x Timer Tick",
+ .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+ .handler = p720t_timer_interrupt,
+};
+
+static void __init clps711x_timer_init(void)
+{
+ struct timespec tv;
+ unsigned int syscon;
+
+ syscon = clps_readl(SYSCON1);
+ syscon |= SYSCON1_TC2S | SYSCON1_TC2M;
+ clps_writel(syscon, SYSCON1);
+
+ clps_writel(LATCH-1, TC2D); /* 512kHz / 100Hz - 1 */
+
+ setup_irq(IRQ_TC2OI, &clps711x_timer_irq);
+
+ tv.tv_nsec = 0;
+ tv.tv_sec = clps_readl(RTCDR);
+ do_settimeofday(&tv);
+}
+
+struct sys_timer clps711x_timer = {
+ .init = clps711x_timer_init,
+ .offset = clps711x_gettimeoffset,
+};
diff --git a/arch/arm/mach-clps711x/mm.c b/arch/arm/mach-clps711x/mm.c
deleted file mode 100644
index 986592176767..000000000000
--- a/arch/arm/mach-clps711x/mm.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * linux/arch/arm/mach-clps711x/mm.c
- *
- * Generic MM setup for the CLPS711x-based machines.
- *
- * Copyright (C) 2001 Deep Blue Solutions Ltd
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/init.h>
-
-#include <asm/sizes.h>
-#include <mach/hardware.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/mach/map.h>
-#include <asm/hardware/clps7111.h>
-
-/*
- * This maps the generic CLPS711x registers
- */
-static struct map_desc clps711x_io_desc[] __initdata = {
- {
- .virtual = CLPS7111_VIRT_BASE,
- .pfn = __phys_to_pfn(CLPS7111_PHYS_BASE),
- .length = SZ_1M,
- .type = MT_DEVICE
- }
-};
-
-void __init clps711x_map_io(void)
-{
- iotable_init(clps711x_io_desc, ARRAY_SIZE(clps711x_io_desc));
-}
diff --git a/arch/arm/mach-clps711x/time.c b/arch/arm/mach-clps711x/time.c
deleted file mode 100644
index d581ef0bcd24..000000000000
--- a/arch/arm/mach-clps711x/time.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * linux/arch/arm/mach-clps711x/time.c
- *
- * Copyright (C) 2001 Deep Blue Solutions Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include <linux/timex.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/sched.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm/leds.h>
-#include <asm/hardware/clps7111.h>
-
-#include <asm/mach/time.h>
-
-
-/*
- * gettimeoffset() returns time since last timer tick, in usecs.
- *
- * 'LATCH' is hwclock ticks (see CLOCK_TICK_RATE in timex.h) per jiffy.
- * 'tick' is usecs per jiffy.
- */
-static unsigned long clps711x_gettimeoffset(void)
-{
- unsigned long hwticks;
- hwticks = LATCH - (clps_readl(TC2D) & 0xffff); /* since last underflow */
- return (hwticks * (tick_nsec / 1000)) / LATCH;
-}
-
-/*
- * IRQ handler for the timer
- */
-static irqreturn_t
-p720t_timer_interrupt(int irq, void *dev_id)
-{
- timer_tick();
- return IRQ_HANDLED;
-}
-
-static struct irqaction clps711x_timer_irq = {
- .name = "CLPS711x Timer Tick",
- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- .handler = p720t_timer_interrupt,
-};
-
-static void __init clps711x_timer_init(void)
-{
- struct timespec tv;
- unsigned int syscon;
-
- syscon = clps_readl(SYSCON1);
- syscon |= SYSCON1_TC2S | SYSCON1_TC2M;
- clps_writel(syscon, SYSCON1);
-
- clps_writel(LATCH-1, TC2D); /* 512kHz / 100Hz - 1 */
-
- setup_irq(IRQ_TC2OI, &clps711x_timer_irq);
-
- tv.tv_nsec = 0;
- tv.tv_sec = clps_readl(RTCDR);
- do_settimeofday(&tv);
-}
-
-struct sys_timer clps711x_timer = {
- .init = clps711x_timer_init,
- .offset = clps711x_gettimeoffset,
-};
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