ARM: S3C24XX: move the easy parts to mach-s3c24xx from plat-s3c24xx

similarity index 99%
rename from arch/arm/plat-s3c24xx/cpu.c
rename to arch/arm/mach-s3c24xx/common.c
index 290942d..dc9927b 100644
@@ -4,7 +4,7 @@
  *	http://www.simtec.co.uk/products/SWLINUX/
  *	Ben Dooks <[email protected]>
  *
- * S3C24XX CPU Support
+ * Common code for S3C24XX machines
  *
  * 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

index dc9927b..755d5f1 100644
@@ -30,6 +30,7 @@
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/syscore_ops.h>
 
 #include <mach/hardware.h>
 #include <mach/regs-clock.h>

@@ -43,10 +44,13 @@
 
 #include <mach/regs-gpio.h>
 #include <plat/regs-serial.h>
+#include <plat/regs-irqtype.h>
 
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/clock.h>
+#include <plat/pm.h>
+#include <plat/irq.h>
 #include <plat/s3c2410.h>
 #include <plat/s3c2412.h>
 #include <plat/s3c2416.h>

@@ -234,3 +238,641 @@ void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
 
 	s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
 }
+
+static void
+s3c_irq_mask(struct irq_data *data)
+{
+	unsigned int irqno = data->irq - IRQ_EINT0;
+	unsigned long mask;
+
+	mask = __raw_readl(S3C2410_INTMSK);
+	mask |= 1UL << irqno;
+	__raw_writel(mask, S3C2410_INTMSK);
+}
+
+static inline void
+s3c_irq_ack(struct irq_data *data)
+{
+	unsigned long bitval = 1UL << (data->irq - IRQ_EINT0);
+
+	__raw_writel(bitval, S3C2410_SRCPND);
+	__raw_writel(bitval, S3C2410_INTPND);
+}
+
+static inline void
+s3c_irq_maskack(struct irq_data *data)
+{
+	unsigned long bitval = 1UL << (data->irq - IRQ_EINT0);
+	unsigned long mask;
+
+	mask = __raw_readl(S3C2410_INTMSK);
+	__raw_writel(mask|bitval, S3C2410_INTMSK);
+
+	__raw_writel(bitval, S3C2410_SRCPND);
+	__raw_writel(bitval, S3C2410_INTPND);
+}
+
+
+static void
+s3c_irq_unmask(struct irq_data *data)
+{
+	unsigned int irqno = data->irq;
+	unsigned long mask;
+
+	if (irqno != IRQ_TIMER4 && irqno != IRQ_EINT8t23)
+		irqdbf2("s3c_irq_unmask %d\n", irqno);
+
+	irqno -= IRQ_EINT0;
+
+	mask = __raw_readl(S3C2410_INTMSK);
+	mask &= ~(1UL << irqno);
+	__raw_writel(mask, S3C2410_INTMSK);
+}
+
+struct irq_chip s3c_irq_level_chip = {
+	.name		= "s3c-level",
+	.irq_ack	= s3c_irq_maskack,
+	.irq_mask	= s3c_irq_mask,
+	.irq_unmask	= s3c_irq_unmask,
+	.irq_set_wake	= s3c_irq_wake
+};
+
+struct irq_chip s3c_irq_chip = {
+	.name		= "s3c",
+	.irq_ack	= s3c_irq_ack,
+	.irq_mask	= s3c_irq_mask,
+	.irq_unmask	= s3c_irq_unmask,
+	.irq_set_wake	= s3c_irq_wake
+};
+
+static void
+s3c_irqext_mask(struct irq_data *data)
+{
+	unsigned int irqno = data->irq - EXTINT_OFF;
+	unsigned long mask;
+
+	mask = __raw_readl(S3C24XX_EINTMASK);
+	mask |= (1UL << irqno);
+	__raw_writel(mask, S3C24XX_EINTMASK);
+}
+
+static void
+s3c_irqext_ack(struct irq_data *data)
+{
+	unsigned long req;
+	unsigned long bit;
+	unsigned long mask;
+
+	bit = 1UL << (data->irq - EXTINT_OFF);
+
+	mask = __raw_readl(S3C24XX_EINTMASK);
+
+	__raw_writel(bit, S3C24XX_EINTPEND);
+
+	req = __raw_readl(S3C24XX_EINTPEND);
+	req &= ~mask;
+
+	/* not sure if we should be acking the parent irq... */
+
+	if (data->irq <= IRQ_EINT7) {
+		if ((req & 0xf0) == 0)
+			s3c_irq_ack(irq_get_irq_data(IRQ_EINT4t7));
+	} else {
+		if ((req >> 8) == 0)
+			s3c_irq_ack(irq_get_irq_data(IRQ_EINT8t23));
+	}
+}
+
+static void
+s3c_irqext_unmask(struct irq_data *data)
+{
+	unsigned int irqno = data->irq - EXTINT_OFF;
+	unsigned long mask;
+
+	mask = __raw_readl(S3C24XX_EINTMASK);
+	mask &= ~(1UL << irqno);
+	__raw_writel(mask, S3C24XX_EINTMASK);
+}
+
+int
+s3c_irqext_type(struct irq_data *data, unsigned int type)
+{
+	void __iomem *extint_reg;
+	void __iomem *gpcon_reg;
+	unsigned long gpcon_offset, extint_offset;
+	unsigned long newvalue = 0, value;
+
+	if ((data->irq >= IRQ_EINT0) && (data->irq <= IRQ_EINT3)) {
+		gpcon_reg = S3C2410_GPFCON;
+		extint_reg = S3C24XX_EXTINT0;
+		gpcon_offset = (data->irq - IRQ_EINT0) * 2;
+		extint_offset = (data->irq - IRQ_EINT0) * 4;
+	} else if ((data->irq >= IRQ_EINT4) && (data->irq <= IRQ_EINT7)) {
+		gpcon_reg = S3C2410_GPFCON;
+		extint_reg = S3C24XX_EXTINT0;
+		gpcon_offset = (data->irq - (EXTINT_OFF)) * 2;
+		extint_offset = (data->irq - (EXTINT_OFF)) * 4;
+	} else if ((data->irq >= IRQ_EINT8) && (data->irq <= IRQ_EINT15)) {
+		gpcon_reg = S3C2410_GPGCON;
+		extint_reg = S3C24XX_EXTINT1;
+		gpcon_offset = (data->irq - IRQ_EINT8) * 2;
+		extint_offset = (data->irq - IRQ_EINT8) * 4;
+	} else if ((data->irq >= IRQ_EINT16) && (data->irq <= IRQ_EINT23)) {
+		gpcon_reg = S3C2410_GPGCON;
+		extint_reg = S3C24XX_EXTINT2;
+		gpcon_offset = (data->irq - IRQ_EINT8) * 2;
+		extint_offset = (data->irq - IRQ_EINT16) * 4;
+	} else {
+		return -1;
+	}
+
+	/* Set the GPIO to external interrupt mode */
+	value = __raw_readl(gpcon_reg);
+	value = (value & ~(3 << gpcon_offset)) | (0x02 << gpcon_offset);
+	__raw_writel(value, gpcon_reg);
+
+	/* Set the external interrupt to pointed trigger type */
+	switch (type) {
+	case IRQ_TYPE_NONE:
+		pr_warn("No edge setting!\n");
+		break;
+
+	case IRQ_TYPE_EDGE_RISING:
+		newvalue = S3C2410_EXTINT_RISEEDGE;
+		break;
+
+	case IRQ_TYPE_EDGE_FALLING:
+		newvalue = S3C2410_EXTINT_FALLEDGE;
+		break;
+
+	case IRQ_TYPE_EDGE_BOTH:
+		newvalue = S3C2410_EXTINT_BOTHEDGE;
+		break;
+
+	case IRQ_TYPE_LEVEL_LOW:
+		newvalue = S3C2410_EXTINT_LOWLEV;
+		break;
+
+	case IRQ_TYPE_LEVEL_HIGH:
+		newvalue = S3C2410_EXTINT_HILEV;
+		break;
+
+	default:
+		pr_err("No such irq type %d", type);
+		return -1;
+	}
+
+	value = __raw_readl(extint_reg);
+	value = (value & ~(7 << extint_offset)) | (newvalue << extint_offset);
+	__raw_writel(value, extint_reg);
+
+	return 0;
+}
+
+static struct irq_chip s3c_irqext_chip = {
+	.name		= "s3c-ext",
+	.irq_mask	= s3c_irqext_mask,
+	.irq_unmask	= s3c_irqext_unmask,
+	.irq_ack	= s3c_irqext_ack,
+	.irq_set_type	= s3c_irqext_type,
+	.irq_set_wake	= s3c_irqext_wake
+};
+
+static struct irq_chip s3c_irq_eint0t4 = {
+	.name		= "s3c-ext0",
+	.irq_ack	= s3c_irq_ack,
+	.irq_mask	= s3c_irq_mask,
+	.irq_unmask	= s3c_irq_unmask,
+	.irq_set_wake	= s3c_irq_wake,
+	.irq_set_type	= s3c_irqext_type,
+};
+
+/* mask values for the parent registers for each of the interrupt types */
+
+#define INTMSK_UART0	 (1UL << (IRQ_UART0 - IRQ_EINT0))
+#define INTMSK_UART1	 (1UL << (IRQ_UART1 - IRQ_EINT0))
+#define INTMSK_UART2	 (1UL << (IRQ_UART2 - IRQ_EINT0))
+#define INTMSK_ADCPARENT (1UL << (IRQ_ADCPARENT - IRQ_EINT0))
+
+
+/* UART0 */
+
+static void
+s3c_irq_uart0_mask(struct irq_data *data)
+{
+	s3c_irqsub_mask(data->irq, INTMSK_UART0, 7);
+}
+
+static void
+s3c_irq_uart0_unmask(struct irq_data *data)
+{
+	s3c_irqsub_unmask(data->irq, INTMSK_UART0);
+}
+
+static void
+s3c_irq_uart0_ack(struct irq_data *data)
+{
+	s3c_irqsub_maskack(data->irq, INTMSK_UART0, 7);
+}
+
+static struct irq_chip s3c_irq_uart0 = {
+	.name		= "s3c-uart0",
+	.irq_mask	= s3c_irq_uart0_mask,
+	.irq_unmask	= s3c_irq_uart0_unmask,
+	.irq_ack	= s3c_irq_uart0_ack,
+};
+
+/* UART1 */
+
+static void
+s3c_irq_uart1_mask(struct irq_data *data)
+{
+	s3c_irqsub_mask(data->irq, INTMSK_UART1, 7 << 3);
+}
+
+static void
+s3c_irq_uart1_unmask(struct irq_data *data)
+{
+	s3c_irqsub_unmask(data->irq, INTMSK_UART1);
+}
+
+static void
+s3c_irq_uart1_ack(struct irq_data *data)
+{
+	s3c_irqsub_maskack(data->irq, INTMSK_UART1, 7 << 3);
+}
+
+static struct irq_chip s3c_irq_uart1 = {
+	.name		= "s3c-uart1",
+	.irq_mask	= s3c_irq_uart1_mask,
+	.irq_unmask	= s3c_irq_uart1_unmask,
+	.irq_ack	= s3c_irq_uart1_ack,
+};
+
+/* UART2 */
+
+static void
+s3c_irq_uart2_mask(struct irq_data *data)
+{
+	s3c_irqsub_mask(data->irq, INTMSK_UART2, 7 << 6);
+}
+
+static void
+s3c_irq_uart2_unmask(struct irq_data *data)
+{
+	s3c_irqsub_unmask(data->irq, INTMSK_UART2);
+}
+
+static void
+s3c_irq_uart2_ack(struct irq_data *data)
+{
+	s3c_irqsub_maskack(data->irq, INTMSK_UART2, 7 << 6);
+}
+
+static struct irq_chip s3c_irq_uart2 = {
+	.name		= "s3c-uart2",
+	.irq_mask	= s3c_irq_uart2_mask,
+	.irq_unmask	= s3c_irq_uart2_unmask,
+	.irq_ack	= s3c_irq_uart2_ack,
+};
+
+/* ADC and Touchscreen */
+
+static void
+s3c_irq_adc_mask(struct irq_data *d)
+{
+	s3c_irqsub_mask(d->irq, INTMSK_ADCPARENT, 3 << 9);
+}
+
+static void
+s3c_irq_adc_unmask(struct irq_data *d)
+{
+	s3c_irqsub_unmask(d->irq, INTMSK_ADCPARENT);
+}
+
+static void
+s3c_irq_adc_ack(struct irq_data *d)
+{
+	s3c_irqsub_ack(d->irq, INTMSK_ADCPARENT, 3 << 9);
+}
+
+static struct irq_chip s3c_irq_adc = {
+	.name		= "s3c-adc",
+	.irq_mask	= s3c_irq_adc_mask,
+	.irq_unmask	= s3c_irq_adc_unmask,
+	.irq_ack	= s3c_irq_adc_ack,
+};
+
+/* irq demux for adc */
+static void s3c_irq_demux_adc(unsigned int irq,
+			      struct irq_desc *desc)
+{
+	unsigned int subsrc, submsk;
+	unsigned int offset = 9;
+
+	/* read the current pending interrupts, and the mask
+	 * for what it is available */
+
+	subsrc = __raw_readl(S3C2410_SUBSRCPND);
+	submsk = __raw_readl(S3C2410_INTSUBMSK);
+
+	subsrc &= ~submsk;
+	subsrc >>= offset;
+	subsrc &= 3;
+
+	if (subsrc != 0) {
+		if (subsrc & 1)
+			generic_handle_irq(IRQ_TC);
+
+		if (subsrc & 2)
+			generic_handle_irq(IRQ_ADC);
+	}
+}
+
+static void s3c_irq_demux_uart(unsigned int start)
+{
+	unsigned int subsrc, submsk;
+	unsigned int offset = start - IRQ_S3CUART_RX0;
+
+	/* read the current pending interrupts, and the mask
+	 * for what it is available */
+
+	subsrc = __raw_readl(S3C2410_SUBSRCPND);
+	submsk = __raw_readl(S3C2410_INTSUBMSK);
+
+	irqdbf2("s3c_irq_demux_uart: start=%d (%d), subsrc=0x%08x,0x%08x\n",
+		start, offset, subsrc, submsk);
+
+	subsrc &= ~submsk;
+	subsrc >>= offset;
+	subsrc &= 7;
+
+	if (subsrc != 0) {
+		if (subsrc & 1)
+			generic_handle_irq(start);
+
+		if (subsrc & 2)
+			generic_handle_irq(start+1);
+
+		if (subsrc & 4)
+			generic_handle_irq(start+2);
+	}
+}
+
+/* uart demux entry points */
+
+static void
+s3c_irq_demux_uart0(unsigned int irq,
+		    struct irq_desc *desc)
+{
+	irq = irq;
+	s3c_irq_demux_uart(IRQ_S3CUART_RX0);
+}
+
+static void
+s3c_irq_demux_uart1(unsigned int irq,
+		    struct irq_desc *desc)
+{
+	irq = irq;
+	s3c_irq_demux_uart(IRQ_S3CUART_RX1);
+}
+
+static void
+s3c_irq_demux_uart2(unsigned int irq,
+		    struct irq_desc *desc)
+{
+	irq = irq;
+	s3c_irq_demux_uart(IRQ_S3CUART_RX2);
+}
+
+static void
+s3c_irq_demux_extint8(unsigned int irq,
+		      struct irq_desc *desc)
+{
+	unsigned long eintpnd = __raw_readl(S3C24XX_EINTPEND);
+	unsigned long eintmsk = __raw_readl(S3C24XX_EINTMASK);
+
+	eintpnd &= ~eintmsk;
+	eintpnd &= ~0xff;	/* ignore lower irqs */
+
+	/* we may as well handle all the pending IRQs here */
+
+	while (eintpnd) {
+		irq = __ffs(eintpnd);
+		eintpnd &= ~(1<<irq);
+
+		irq += (IRQ_EINT4 - 4);
+		generic_handle_irq(irq);
+	}
+
+}
+
+static void
+s3c_irq_demux_extint4t7(unsigned int irq,
+			struct irq_desc *desc)
+{
+	unsigned long eintpnd = __raw_readl(S3C24XX_EINTPEND);
+	unsigned long eintmsk = __raw_readl(S3C24XX_EINTMASK);
+
+	eintpnd &= ~eintmsk;
+	eintpnd &= 0xff;	/* only lower irqs */
+
+	/* we may as well handle all the pending IRQs here */
+
+	while (eintpnd) {
+		irq = __ffs(eintpnd);
+		eintpnd &= ~(1<<irq);
+
+		irq += (IRQ_EINT4 - 4);
+
+		generic_handle_irq(irq);
+	}
+}
+
+#ifdef CONFIG_FIQ
+/**
+ * s3c24xx_set_fiq - set the FIQ routing
+ * @irq: IRQ number to route to FIQ on processor.
+ * @on: Whether to route @irq to the FIQ, or to remove the FIQ routing.
+ *
+ * Change the state of the IRQ to FIQ routing depending on @irq and @on. If
+ * @on is true, the @irq is checked to see if it can be routed and the
+ * interrupt controller updated to route the IRQ. If @on is false, the FIQ
+ * routing is cleared, regardless of which @irq is specified.
+ */
+int s3c24xx_set_fiq(unsigned int irq, bool on)
+{
+	u32 intmod;
+	unsigned offs;
+
+	if (on) {
+		offs = irq - FIQ_START;
+		if (offs > 31)
+			return -EINVAL;
+
+		intmod = 1 << offs;
+	} else {
+		intmod = 0;
+	}
+
+	__raw_writel(intmod, S3C2410_INTMOD);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(s3c24xx_set_fiq);
+#endif
+
+
+/* s3c24xx_init_irq
+ *
+ * Initialise S3C2410 IRQ system
+*/
+
+void __init s3c24xx_init_irq(void)
+{
+	unsigned long pend;
+	unsigned long last;
+	int irqno;
+	int i;
+
+#ifdef CONFIG_FIQ
+	init_FIQ();
+#endif
+
+	irqdbf("s3c2410_init_irq: clearing interrupt status flags\n");
+
+	/* first, clear all interrupts pending... */
+
+	last = 0;
+	for (i = 0; i < 4; i++) {
+		pend = __raw_readl(S3C24XX_EINTPEND);
+
+		if (pend == 0 || pend == last)
+			break;
+
+		__raw_writel(pend, S3C24XX_EINTPEND);
+		irqdbf("irq: clearing pending ext status %08x\n", (int)pend);
+		last = pend;
+	}
+
+	last = 0;
+	for (i = 0; i < 4; i++) {
+		pend = __raw_readl(S3C2410_INTPND);
+
+		if (pend == 0 || pend == last)
+			break;
+
+		__raw_writel(pend, S3C2410_SRCPND);
+		__raw_writel(pend, S3C2410_INTPND);
+		irqdbf("irq: clearing pending status %08x\n", (int)pend);
+		last = pend;
+	}
+
+	last = 0;
+	for (i = 0; i < 4; i++) {
+		pend = __raw_readl(S3C2410_SUBSRCPND);
+
+		if (pend == 0 || pend == last)
+			break;
+
+		irqdbf("irq: clearing subpending status %08x\n", (int)pend);
+		__raw_writel(pend, S3C2410_SUBSRCPND);
+		last = pend;
+	}
+
+	/* register the main interrupts */
+
+	irqdbf("s3c2410_init_irq: registering s3c2410 interrupt handlers\n");
+
+	for (irqno = IRQ_EINT4t7; irqno <= IRQ_ADCPARENT; irqno++) {
+		/* set all the s3c2410 internal irqs */
+
+		switch (irqno) {
+			/* deal with the special IRQs (cascaded) */
+
+		case IRQ_EINT4t7:
+		case IRQ_EINT8t23:
+		case IRQ_UART0:
+		case IRQ_UART1:
+		case IRQ_UART2:
+		case IRQ_ADCPARENT:
+			irq_set_chip_and_handler(irqno, &s3c_irq_level_chip,
+						 handle_level_irq);
+			break;
+
+		case IRQ_RESERVED6:
+		case IRQ_RESERVED24:
+			/* no IRQ here */
+			break;
+
+		default:
+			irqdbf("registering irq %d (s3c irq)\n", irqno);
+			irq_set_chip_and_handler(irqno, &s3c_irq_chip,
+						 handle_edge_irq);
+			set_irq_flags(irqno, IRQF_VALID);
+		}
+	}
+
+	/* setup the cascade irq handlers */
+
+	irq_set_chained_handler(IRQ_EINT4t7, s3c_irq_demux_extint4t7);
+	irq_set_chained_handler(IRQ_EINT8t23, s3c_irq_demux_extint8);
+
+	irq_set_chained_handler(IRQ_UART0, s3c_irq_demux_uart0);
+	irq_set_chained_handler(IRQ_UART1, s3c_irq_demux_uart1);
+	irq_set_chained_handler(IRQ_UART2, s3c_irq_demux_uart2);
+	irq_set_chained_handler(IRQ_ADCPARENT, s3c_irq_demux_adc);
+
+	/* external interrupts */
+
+	for (irqno = IRQ_EINT0; irqno <= IRQ_EINT3; irqno++) {
+		irqdbf("registering irq %d (ext int)\n", irqno);
+		irq_set_chip_and_handler(irqno, &s3c_irq_eint0t4,
+					 handle_edge_irq);
+		set_irq_flags(irqno, IRQF_VALID);
+	}
+
+	for (irqno = IRQ_EINT4; irqno <= IRQ_EINT23; irqno++) {
+		irqdbf("registering irq %d (extended s3c irq)\n", irqno);
+		irq_set_chip_and_handler(irqno, &s3c_irqext_chip,
+					 handle_edge_irq);
+		set_irq_flags(irqno, IRQF_VALID);
+	}
+
+	/* register the uart interrupts */
+
+	irqdbf("s3c2410: registering external interrupts\n");
+
+	for (irqno = IRQ_S3CUART_RX0; irqno <= IRQ_S3CUART_ERR0; irqno++) {
+		irqdbf("registering irq %d (s3c uart0 irq)\n", irqno);
+		irq_set_chip_and_handler(irqno, &s3c_irq_uart0,
+					 handle_level_irq);
+		set_irq_flags(irqno, IRQF_VALID);
+	}
+
+	for (irqno = IRQ_S3CUART_RX1; irqno <= IRQ_S3CUART_ERR1; irqno++) {
+		irqdbf("registering irq %d (s3c uart1 irq)\n", irqno);
+		irq_set_chip_and_handler(irqno, &s3c_irq_uart1,
+					 handle_level_irq);
+		set_irq_flags(irqno, IRQF_VALID);
+	}
+
+	for (irqno = IRQ_S3CUART_RX2; irqno <= IRQ_S3CUART_ERR2; irqno++) {
+		irqdbf("registering irq %d (s3c uart2 irq)\n", irqno);
+		irq_set_chip_and_handler(irqno, &s3c_irq_uart2,
+					 handle_level_irq);
+		set_irq_flags(irqno, IRQF_VALID);
+	}
+
+	for (irqno = IRQ_TC; irqno <= IRQ_ADC; irqno++) {
+		irqdbf("registering irq %d (s3c adc irq)\n", irqno);
+		irq_set_chip_and_handler(irqno, &s3c_irq_adc, handle_edge_irq);
+		set_irq_flags(irqno, IRQF_VALID);
+	}
+
+	irqdbf("s3c2410: registered interrupt handlers\n");
+}
+
+struct syscore_ops s3c24xx_irq_syscore_ops = {
+	.suspend	= s3c24xx_irq_suspend,
+	.resume		= s3c24xx_irq_resume,
+};

676 lines not on this page · raw message

index 755d5f1..bf1cd36 100644
@@ -876,3 +876,76 @@ struct syscore_ops s3c24xx_irq_syscore_ops = {
 	.suspend	= s3c24xx_irq_suspend,
 	.resume		= s3c24xx_irq_resume,
 };
+
+/* Serial port registrations */
+
+static struct resource s3c2410_uart0_resource[] = {
+	[0] = {
+		.start = S3C2410_PA_UART0,
+		.end   = S3C2410_PA_UART0 + 0x3fff,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_S3CUART_RX0,
+		.end   = IRQ_S3CUART_ERR0,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static struct resource s3c2410_uart1_resource[] = {
+	[0] = {
+		.start = S3C2410_PA_UART1,
+		.end   = S3C2410_PA_UART1 + 0x3fff,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_S3CUART_RX1,
+		.end   = IRQ_S3CUART_ERR1,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static struct resource s3c2410_uart2_resource[] = {
+	[0] = {
+		.start = S3C2410_PA_UART2,
+		.end   = S3C2410_PA_UART2 + 0x3fff,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_S3CUART_RX2,
+		.end   = IRQ_S3CUART_ERR2,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static struct resource s3c2410_uart3_resource[] = {
+	[0] = {
+		.start = S3C2443_PA_UART3,
+		.end   = S3C2443_PA_UART3 + 0x3fff,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_S3CUART_RX3,
+		.end   = IRQ_S3CUART_ERR3,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
+	[0] = {
+		.resources	= s3c2410_uart0_resource,
+		.nr_resources	= ARRAY_SIZE(s3c2410_uart0_resource),
+	},
+	[1] = {
+		.resources	= s3c2410_uart1_resource,
+		.nr_resources	= ARRAY_SIZE(s3c2410_uart1_resource),
+	},
+	[2] = {
+		.resources	= s3c2410_uart2_resource,
+		.nr_resources	= ARRAY_SIZE(s3c2410_uart2_resource),
+	},
+	[3] = {
+		.resources	= s3c2410_uart3_resource,
+		.nr_resources	= ARRAY_SIZE(s3c2410_uart3_resource),
+	},
+};

100 lines not on this page · raw message

similarity index 100%
rename from arch/arm/plat-s3c24xx/irq-pm.c
rename to arch/arm/mach-s3c24xx/irq-pm.c

similarity index 100%
rename from arch/arm/plat-s3c24xx/pm.c
rename to arch/arm/mach-s3c24xx/pm.c

index bf1cd36..bcc99e9 100644
@@ -42,6 +42,7 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
+#include <mach/regs-clock.h>
 #include <mach/regs-gpio.h>
 #include <plat/regs-serial.h>
 #include <plat/regs-irqtype.h>

@@ -56,6 +57,8 @@
 #include <plat/s3c2416.h>
 #include <plat/s3c244x.h>
 #include <plat/s3c2443.h>
+#include <plat/cpu-freq.h>
+#include <plat/pll.h>
 
 /* table of supported CPUs */
 

@@ -949,3 +952,18 @@ struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
 		.nr_resources	= ARRAY_SIZE(s3c2410_uart3_resource),
 	},
 };
+
+/* initialise all the clocks */
+
+void __init_or_cpufreq s3c24xx_setup_clocks(unsigned long fclk,
+					   unsigned long hclk,
+					   unsigned long pclk)
+{
+	clk_upll.rate = s3c24xx_get_pll(__raw_readl(S3C2410_UPLLCON),
+					clk_xtal.rate);
+
+	clk_mpll.rate = fclk;
+	clk_h.rate = hclk;
+	clk_p.rate = pclk;
+	clk_f.rate = fclk;
+}

59 lines not on this page · raw message