On Friday 15 July 2011 05:34 PM, Tarun Kanti DebBarma wrote:
From: Thara Gopinath<thara@xxxxxx>
Convert OMAP1 dmtimers into a platform devices and then registers with
device model framework so that it can be bound to corresponding driver.
Signed-off-by: Thara Gopinath<thara@xxxxxx>
Signed-off-by: Tarun Kanti DebBarma<tarun.kanti@xxxxxx>
Acked-by: Cousson, Benoit<b-cousson@xxxxxx>
---
arch/arm/mach-omap1/Makefile | 2 +-
arch/arm/mach-omap1/timer.c | 174 +++++++++++++++++++++++++++++
arch/arm/plat-omap/dmtimer.c | 56 ++-------
arch/arm/plat-omap/include/plat/dmtimer.h | 8 ++
4 files changed, 195 insertions(+), 45 deletions(-)
create mode 100644 arch/arm/mach-omap1/timer.c
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 5b114d1..11c85cd 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -4,7 +4,7 @@
# Common support
obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o
-obj-y += clock.o clock_data.o opp_data.o reset.o pm_bus.o
+obj-y += clock.o clock_data.o opp_data.o reset.o pm_bus.o timer.o
obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
diff --git a/arch/arm/mach-omap1/timer.c b/arch/arm/mach-omap1/timer.c
new file mode 100644
index 0000000..980b23b
--- /dev/null
+++ b/arch/arm/mach-omap1/timer.c
@@ -0,0 +1,174 @@
+/**
+ * OMAP1 Dual-Mode Timers - platform device registration
+ *
+ * Contains first level initialization routines which internally
+ * generates timer device information and registers with linux
+ * device model. It also has low level function to chnage the timer
+ * input clock source.
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
/s/2010 /2011
+ * Tarun Kanti DebBarma<tarun.kanti@xxxxxx>
+ * Thara Gopinath<thara@xxxxxx>
+ *
+ * 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 "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include<linux/clk.h>
+#include<linux/io.h>
+#include<linux/err.h>
+#include<linux/slab.h>
+#include<linux/platform_device.h>
+
+#include<mach/irqs.h>
+
+#include<plat/dmtimer.h>
+
+#define OMAP1610_GPTIMER1_BASE 0xfffb1400
+#define OMAP1610_GPTIMER2_BASE 0xfffb1c00
+#define OMAP1610_GPTIMER3_BASE 0xfffb2400
+#define OMAP1610_GPTIMER4_BASE 0xfffb2c00
+#define OMAP1610_GPTIMER5_BASE 0xfffb3400
+#define OMAP1610_GPTIMER6_BASE 0xfffb3c00
+#define OMAP1610_GPTIMER7_BASE 0xfffb7400
+#define OMAP1610_GPTIMER8_BASE 0xfffbd400
+
+#define OMAP1_DM_TIMER_COUNT 8
+
+static int omap1_dm_timer_set_src(struct platform_device *pdev,
+ int source)
+{
+ int n = (pdev->id - 1)<< 1;
+ u32 l;
+
+ l = omap_readl(MOD_CONF_CTRL_1)& ~(0x03<< n);
+ l |= source<< n;
+ omap_writel(l, MOD_CONF_CTRL_1);
Stop using omap_readl/omap_writel. Use standard readl/writel
rest looks ok to me.
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
Regards
Santosh
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