---

yaml --- r: 23305 b: refs/heads/master c: fa4fa40 h: refs/heads/master i: 23303: 35506f8 v: v3
git-mirror · Mar 23, 2006 · c3177f2 · c3177f2
1 parent 1c9645e
commit c3177f2
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fe0b06b123762ab620b5bee3dab1576ddddd0a7f
+refs/heads/master: fa4fa40a990f8f4eff65476bef32007c154bbac0
diff --git a/trunk/Documentation/arm/Samsung-S3C24XX/Overview.txt b/trunk/Documentation/arm/Samsung-S3C24XX/Overview.txt
@@ -10,6 +10,8 @@ Introduction
   by the 's3c2410' architecture of ARM Linux. Currently the S3C2410 and
   the S3C2440 are supported CPUs.
 
+  Support for the S3C2400 series is in progress.
+
 
 Configuration
 -------------
@@ -32,6 +34,11 @@ Machines
     A general purpose development board, see EB2410ITX.txt for further
     details
 
+  Simtec Electronics IM2440D20 (Osiris)
+
+    CPU Module from Simtec Electronics, with a S3C2440A CPU, nand flash
+    and a PCMCIA controller.
+
   Samsung SMDK2410
 
     Samsung's own development board, geared for PDA work.
@@ -85,6 +92,26 @@ Adding New Machines
   mailing list information.
 
 
+I2C
+---
+
+  The hardware I2C core in the CPU is supported in single master
+  mode, and can be configured via platform data.
+
+
+RTC
+---
+
+  Support for the onboard RTC unit, including alarm function.
+
+
+Watchdog
+--------
+
+  The onchip watchdog is available via the standard watchdog
+  interface.
+
+
 NAND
 ----
 
@@ -121,6 +148,15 @@ Clock Management
   various clock units
 
 
+Suspend to RAM
+--------------
+
+  For boards that provide support for suspend to RAM, the
+  system can be placed into low power suspend.
+
+  See Suspend.txt for more information.
+
+
 Platform Data
 -------------
 
@@ -158,6 +194,7 @@ Platform Data
 	exported outside arch/arm/mach-s3c2410/, or exported to
 	modules via EXPORT_SYMBOL() and related functions.
 
+
 Port Contributors
 -----------------
 
@@ -188,8 +225,11 @@ Document Changes
   08 Mar 2005 - BJD - Added LCVR to list of people, updated introduction
   08 Mar 2005 - BJD - Added section on adding machines
   09 Sep 2005 - BJD - Added section on platform data
+  11 Feb 2006 - BJD - Added I2C, RTC and Watchdog sections
+  11 Feb 2006 - BJD - Added Osiris machine, and S3C2400 information
+
 
 Document Author
 ---------------
 
-Ben Dooks, (c) 2004-2005 Simtec Electronics
+Ben Dooks, (c) 2004-2005,2006 Simtec Electronics
diff --git a/trunk/arch/arm/Kconfig b/trunk/arch/arm/Kconfig
@@ -108,6 +108,13 @@ config ARCH_EBSA110
 	  Ethernet interface, two PCMCIA sockets, two serial ports and a
 	  parallel port.
 
+config ARCH_EP93XX
+	bool "EP93xx-based"
+	select ARM_AMBA
+	select ARM_VIC
+	help
+	  This enables support for the Cirrus EP93xx series of CPUs.
+
 config ARCH_FOOTBRIDGE
 	bool "FootBridge"
 	select FOOTBRIDGE
@@ -250,6 +257,8 @@ endchoice
 
 source "arch/arm/mach-clps711x/Kconfig"
 
+source "arch/arm/mach-ep93xx/Kconfig"
+
 source "arch/arm/mach-footbridge/Kconfig"
 
 source "arch/arm/mach-integrator/Kconfig"
@@ -434,6 +443,13 @@ config NO_IDLE_HZ
 	  Currently at least OMAP, PXA2xx and SA11x0 platforms are known
 	  to have accurate timekeeping with dynamic tick.
 
+config HZ
+	int
+	default 128 if ARCH_L7200
+	default 200 if ARCH_EBSA110 || ARCH_S3C2410
+	default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
+	default 100
+
 config AEABI
 	bool "Use the ARM EABI to compile the kernel"
 	help

diff --git a/trunk/arch/arm/Makefile b/trunk/arch/arm/Makefile
@@ -105,6 +105,7 @@ endif
  machine-$(CONFIG_ARCH_AAEC2000)   := aaec2000
  machine-$(CONFIG_ARCH_REALVIEW)   := realview
  machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200
+ machine-$(CONFIG_ARCH_EP93XX)     := ep93xx
 
 ifeq ($(CONFIG_ARCH_EBSA110),y)
 # This is what happens if you forget the IOCS16 line.

diff --git a/trunk/arch/arm/common/Makefile b/trunk/arch/arm/common/Makefile
@@ -15,3 +15,4 @@ obj-$(CONFIG_SHARP_LOCOMO)	+= locomo.o
 obj-$(CONFIG_SHARP_PARAM)	+= sharpsl_param.o
 obj-$(CONFIG_SHARPSL_PM)	+= sharpsl_pm.o
 obj-$(CONFIG_SHARP_SCOOP)	+= scoop.o
+obj-$(CONFIG_ARCH_IXP2000)	+= uengine.o
diff --git a/trunk/arch/arm/common/dmabounce.c b/trunk/arch/arm/common/dmabounce.c
@@ -5,7 +5,7 @@
  *  limited DMA windows. These functions utilize bounce buffers to
  *  copy data to/from buffers located outside the DMA region. This
  *  only works for systems in which DMA memory is at the bottom of
- *  RAM and the remainder of memory is at the top an the DMA memory
+ *  RAM, the remainder of memory is at the top and the DMA memory
  *  can be marked as ZONE_DMA. Anything beyond that such as discontigous
  *  DMA windows will require custom implementations that reserve memory
  *  areas at early bootup.

diff --git a/trunk/arch/arm/common/locomo.c b/trunk/arch/arm/common/locomo.c
@@ -60,7 +60,7 @@ struct locomo {
 	unsigned long phys;
 	unsigned int irq;
 	spinlock_t lock;
-	void *base;
+	void __iomem *base;
 };
 
 struct locomo_dev_info {
@@ -162,7 +162,7 @@ static void locomo_handler(unsigned int irq, struct irqdesc *desc,
 {
 	int req, i;
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	/* Acknowledge the parent IRQ */
 	desc->chip->ack(irq);
@@ -189,7 +189,7 @@ static void locomo_ack_irq(unsigned int irq)
 
 static void locomo_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_ICR);
 	r &= ~(0x0010 << (irq - LOCOMO_IRQ_START));
@@ -198,7 +198,7 @@ static void locomo_mask_irq(unsigned int irq)
 
 static void locomo_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_ICR);
 	r |= (0x0010 << (irq - LOCOMO_IRQ_START));
@@ -215,7 +215,7 @@ static void locomo_key_handler(unsigned int irq, struct irqdesc *desc,
 			    struct pt_regs *regs)
 {
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	if (locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC) & 0x0001) {
 		d = irq_desc + LOCOMO_IRQ_KEY_START;
@@ -225,7 +225,7 @@ static void locomo_key_handler(unsigned int irq, struct irqdesc *desc,
 
 static void locomo_key_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
 	r &= ~(0x0100 << (irq - LOCOMO_IRQ_KEY_START));
@@ -234,7 +234,7 @@ static void locomo_key_ack_irq(unsigned int irq)
 
 static void locomo_key_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
 	r &= ~(0x0010 << (irq - LOCOMO_IRQ_KEY_START));
@@ -243,7 +243,7 @@ static void locomo_key_mask_irq(unsigned int irq)
 
 static void locomo_key_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
 	r |= (0x0010 << (irq - LOCOMO_IRQ_KEY_START));
@@ -261,7 +261,7 @@ static void locomo_gpio_handler(unsigned int irq, struct irqdesc *desc,
 {
 	int req, i;
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	req = 	locomo_readl(mapbase + LOCOMO_GIR) &
 		locomo_readl(mapbase + LOCOMO_GPD) &
@@ -280,7 +280,7 @@ static void locomo_gpio_handler(unsigned int irq, struct irqdesc *desc,
 
 static void locomo_gpio_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_GWE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
@@ -297,7 +297,7 @@ static void locomo_gpio_ack_irq(unsigned int irq)
 
 static void locomo_gpio_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_GIE);
 	r &= ~(0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
@@ -306,7 +306,7 @@ static void locomo_gpio_mask_irq(unsigned int irq)
 
 static void locomo_gpio_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_GIE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
@@ -323,7 +323,7 @@ static void locomo_lt_handler(unsigned int irq, struct irqdesc *desc,
 			   struct pt_regs *regs)
 {
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	if (locomo_readl(mapbase + LOCOMO_LTINT) & 0x0001) {
 		d = irq_desc + LOCOMO_IRQ_LT_START;
@@ -333,7 +333,7 @@ static void locomo_lt_handler(unsigned int irq, struct irqdesc *desc,
 
 static void locomo_lt_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_LTINT);
 	r &= ~(0x0100 << (irq - LOCOMO_IRQ_LT_START));
@@ -342,7 +342,7 @@ static void locomo_lt_ack_irq(unsigned int irq)
 
 static void locomo_lt_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_LTINT);
 	r &= ~(0x0010 << (irq - LOCOMO_IRQ_LT_START));
@@ -351,7 +351,7 @@ static void locomo_lt_mask_irq(unsigned int irq)
 
 static void locomo_lt_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_LTINT);
 	r |= (0x0010 << (irq - LOCOMO_IRQ_LT_START));
@@ -369,7 +369,7 @@ static void locomo_spi_handler(unsigned int irq, struct irqdesc *desc,
 {
 	int req, i;
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	req = locomo_readl(mapbase + LOCOMO_SPIIR) & 0x000F;
 	if (req) {
@@ -386,7 +386,7 @@ static void locomo_spi_handler(unsigned int irq, struct irqdesc *desc,
 
 static void locomo_spi_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_SPIWE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START));
@@ -403,7 +403,7 @@ static void locomo_spi_ack_irq(unsigned int irq)
 
 static void locomo_spi_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_SPIIE);
 	r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START));
@@ -412,7 +412,7 @@ static void locomo_spi_mask_irq(unsigned int irq)
 
 static void locomo_spi_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_SPIIE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START));
@@ -428,7 +428,7 @@ static struct irqchip locomo_spi_chip = {
 static void locomo_setup_irq(struct locomo *lchip)
 {
 	int irq;
-	void *irqbase = lchip->base;
+	void __iomem *irqbase = lchip->base;
 
 	/*
 	 * Install handler for IRQ_LOCOMO_HW.
@@ -501,12 +501,11 @@ locomo_init_one_child(struct locomo *lchip, struct locomo_dev_info *info)
 	struct locomo_dev *dev;
 	int ret;
 
-	dev = kmalloc(sizeof(struct locomo_dev), GFP_KERNEL);
+	dev = kzalloc(sizeof(struct locomo_dev), GFP_KERNEL);
 	if (!dev) {
 		ret = -ENOMEM;
 		goto out;
 	}
-	memset(dev, 0, sizeof(struct locomo_dev));
 
 	strncpy(dev->dev.bus_id,info->name,sizeof(dev->dev.bus_id));
 	/*
@@ -664,12 +663,10 @@ __locomo_probe(struct device *me, struct resource *mem, int irq)
 	unsigned long r;
 	int i, ret = -ENODEV;
 
-	lchip = kmalloc(sizeof(struct locomo), GFP_KERNEL);
+	lchip = kzalloc(sizeof(struct locomo), GFP_KERNEL);
 	if (!lchip)
 		return -ENOMEM;
 
-	memset(lchip, 0, sizeof(struct locomo));
-
 	spin_lock_init(&lchip->lock);
 
 	lchip->dev = me;