ARM: riscpc: move time-acorn.c to mach-rpc

Nothing but RiscPC makes use of the Acorn timekeeping code, so move
it into mach-rpc.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a48aecc17eacc2e3d3f5cf4b0ff4183f29b33440..4b15d91fb81a6d88f852ba0ea2e11ff1f6a482cd 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -731,7 +731,6 @@ config ARCH_RPC
        bool "RiscPC"
        select ARCH_ACORN
        select FIQ
-       select TIMER_ACORN
        select ARCH_MAY_HAVE_PC_FDC
        select HAVE_PATA_PLATFORM
        select ISA_DMA_API

diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index 81a933eb0903bf446c4722bd645aa2ec0573bf47..3bb1d7589bd9ec52a864487145cd88a428296253 100644 (file)
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -35,9 +35,6 @@ config DMABOUNCE
        bool
        select ZONE_DMA
 
-config TIMER_ACORN
-       bool
-
 config SHARP_LOCOMO
        bool
 

diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index 6ea9b6f3607af35121e2e117e1580b1d841b520d..69feafe7286c152f8eed73b998f2fe2e70347de9 100644 (file)
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -9,7 +9,6 @@ obj-$(CONFIG_PL330)             += pl330.o
 obj-$(CONFIG_SA1111)           += sa1111.o
 obj-$(CONFIG_PCI_HOST_VIA82C505) += via82c505.o
 obj-$(CONFIG_DMABOUNCE)                += dmabounce.o
-obj-$(CONFIG_TIMER_ACORN)      += time-acorn.o
 obj-$(CONFIG_SHARP_LOCOMO)     += locomo.o
 obj-$(CONFIG_SHARP_PARAM)      += sharpsl_param.o
 obj-$(CONFIG_SHARP_SCOOP)      += scoop.o

diff --git a/arch/arm/common/time-acorn.c b/arch/arm/common/time-acorn.c
deleted file mode 100644 (file)
index deeed56..0000000
--- a/arch/arm/common/time-acorn.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- *  linux/arch/arm/common/time-acorn.c
- *
- *  Copyright (c) 1996-2000 Russell King.
- *
- * 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.
- *
- *  Changelog:
- *   24-Sep-1996       RMK     Created
- *   10-Oct-1996       RMK     Brought up to date with arch-sa110eval
- *   04-Dec-1997       RMK     Updated for new arch/arm/time.c
- *   13=Jun-2004       DS      Moved to arch/arm/common b/c shared w/CLPS7500
- */
-#include <linux/timex.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/hardware/ioc.h>
-
-#include <asm/mach/time.h>
-
-unsigned long ioc_timer_gettimeoffset(void)
-{
-       unsigned int count1, count2, status;
-       long offset;
-
-       ioc_writeb (0, IOC_T0LATCH);
-       barrier ();
-       count1 = ioc_readb(IOC_T0CNTL) | (ioc_readb(IOC_T0CNTH) << 8);
-       barrier ();
-       status = ioc_readb(IOC_IRQREQA);
-       barrier ();
-       ioc_writeb (0, IOC_T0LATCH);
-       barrier ();
-       count2 = ioc_readb(IOC_T0CNTL) | (ioc_readb(IOC_T0CNTH) << 8);
-
-       offset = count2;
-       if (count2 < count1) {
-               /*
-                * We have not had an interrupt between reading count1
-                * and count2.
-                */
-               if (status & (1 << 5))
-                       offset -= LATCH;
-       } else if (count2 > count1) {
-               /*
-                * We have just had another interrupt between reading
-                * count1 and count2.
-                */
-               offset -= LATCH;
-       }
-
-       offset = (LATCH - offset) * (tick_nsec / 1000);
-       return (offset + LATCH/2) / LATCH;
-}
-
-void __init ioctime_init(void)
-{
-       ioc_writeb(LATCH & 255, IOC_T0LTCHL);
-       ioc_writeb(LATCH >> 8, IOC_T0LTCHH);
-       ioc_writeb(0, IOC_T0GO);
-}
-
-static irqreturn_t
-ioc_timer_interrupt(int irq, void *dev_id)
-{
-       timer_tick();
-       return IRQ_HANDLED;
-}
-
-static struct irqaction ioc_timer_irq = {
-       .name           = "timer",
-       .flags          = IRQF_DISABLED,
-       .handler        = ioc_timer_interrupt
-};
-
-/*
- * Set up timer interrupt.
- */
-static void __init ioc_timer_init(void)
-{
-       ioctime_init();
-       setup_irq(IRQ_TIMER, &ioc_timer_irq);
-}
-
-struct sys_timer ioc_timer = {
-       .init           = ioc_timer_init,
-       .offset         = ioc_timer_gettimeoffset,
-};
-

diff --git a/arch/arm/mach-rpc/Makefile b/arch/arm/mach-rpc/Makefile
index aa77bc9efbbbe0e9ee71cea36b6e3730c99b9d89..69f2c0656966414968d7ab8f881fb2ae71a5a775 100644 (file)
--- a/arch/arm/mach-rpc/Makefile
+++ b/arch/arm/mach-rpc/Makefile
@@ -4,7 +4,7 @@
 
 # Object file lists.
 
-obj-y                  := dma.o irq.o riscpc.o
+obj-y                  := dma.o irq.o riscpc.o time.o
 obj-m                  :=
 obj-n                  :=
 obj-                   :=

diff --git a/arch/arm/mach-rpc/time.c b/arch/arm/mach-rpc/time.c
new file mode 100644 (file)
index 0000000..deeed56
--- /dev/null
+++ b/arch/arm/mach-rpc/time.c
@@ -0,0 +1,95 @@
+/*
+ *  linux/arch/arm/common/time-acorn.c
+ *
+ *  Copyright (c) 1996-2000 Russell King.
+ *
+ * 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.
+ *
+ *  Changelog:
+ *   24-Sep-1996       RMK     Created
+ *   10-Oct-1996       RMK     Brought up to date with arch-sa110eval
+ *   04-Dec-1997       RMK     Updated for new arch/arm/time.c
+ *   13=Jun-2004       DS      Moved to arch/arm/common b/c shared w/CLPS7500
+ */
+#include <linux/timex.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <asm/hardware/ioc.h>
+
+#include <asm/mach/time.h>
+
+unsigned long ioc_timer_gettimeoffset(void)
+{
+       unsigned int count1, count2, status;
+       long offset;
+
+       ioc_writeb (0, IOC_T0LATCH);
+       barrier ();
+       count1 = ioc_readb(IOC_T0CNTL) | (ioc_readb(IOC_T0CNTH) << 8);
+       barrier ();
+       status = ioc_readb(IOC_IRQREQA);
+       barrier ();
+       ioc_writeb (0, IOC_T0LATCH);
+       barrier ();
+       count2 = ioc_readb(IOC_T0CNTL) | (ioc_readb(IOC_T0CNTH) << 8);
+
+       offset = count2;
+       if (count2 < count1) {
+               /*
+                * We have not had an interrupt between reading count1
+                * and count2.
+                */
+               if (status & (1 << 5))
+                       offset -= LATCH;
+       } else if (count2 > count1) {
+               /*
+                * We have just had another interrupt between reading
+                * count1 and count2.
+                */
+               offset -= LATCH;
+       }
+
+       offset = (LATCH - offset) * (tick_nsec / 1000);
+       return (offset + LATCH/2) / LATCH;
+}
+
+void __init ioctime_init(void)
+{
+       ioc_writeb(LATCH & 255, IOC_T0LTCHL);
+       ioc_writeb(LATCH >> 8, IOC_T0LTCHH);
+       ioc_writeb(0, IOC_T0GO);
+}
+
+static irqreturn_t
+ioc_timer_interrupt(int irq, void *dev_id)
+{
+       timer_tick();
+       return IRQ_HANDLED;
+}
+
+static struct irqaction ioc_timer_irq = {
+       .name           = "timer",
+       .flags          = IRQF_DISABLED,
+       .handler        = ioc_timer_interrupt
+};
+
+/*
+ * Set up timer interrupt.
+ */
+static void __init ioc_timer_init(void)
+{
+       ioctime_init();
+       setup_irq(IRQ_TIMER, &ioc_timer_irq);
+}
+
+struct sys_timer ioc_timer = {
+       .init           = ioc_timer_init,
+       .offset         = ioc_timer_gettimeoffset,
+};
+