[ARM] S3C64XX: Add UARTdevice definitions
Add resources and information for the UART deviecs
on the S3C64XX CPUs.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h
index badaac9..a689c7c 100644
--- a/arch/arm/plat-s3c/include/plat/devs.h
+++ b/arch/arm/plat-s3c/include/plat/devs.h
@@ -17,6 +17,7 @@
};
extern struct s3c24xx_uart_resources s3c2410_uart_resources[];
+extern struct s3c24xx_uart_resources s3c64xx_uart_resources[];
extern struct platform_device *s3c24xx_uart_devs[];
extern struct platform_device *s3c24xx_uart_src[];
diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile
index 900c863..178c968 100644
--- a/arch/arm/plat-s3c64xx/Makefile
+++ b/arch/arm/plat-s3c64xx/Makefile
@@ -11,3 +11,5 @@
obj- :=
# Core files
+
+obj-y += dev-uart.o
diff --git a/arch/arm/plat-s3c64xx/dev-uart.c b/arch/arm/plat-s3c64xx/dev-uart.c
new file mode 100644
index 0000000..62c11a6
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/dev-uart.c
@@ -0,0 +1,176 @@
+/* linux/arch/arm/plat-s3c64xx/dev-uart.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * Base S3C64XX UART resource and device definitions
+ *
+ * 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.
+ *
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+
+/* Serial port registrations */
+
+/* 64xx uarts are closer together */
+
+static struct resource s3c64xx_uart0_resource[] = {
+ [0] = {
+ .start = S3C_PA_UART0,
+ .end = S3C_PA_UART0 + 0x100,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S3CUART_RX0,
+ .end = IRQ_S3CUART_RX0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S3CUART_TX0,
+ .end = IRQ_S3CUART_TX0,
+ .flags = IORESOURCE_IRQ,
+
+ },
+ [3] = {
+ .start = IRQ_S3CUART_ERR0,
+ .end = IRQ_S3CUART_ERR0,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct resource s3c64xx_uart1_resource[] = {
+ [0] = {
+ .start = S3C_PA_UART1,
+ .end = S3C_PA_UART1 + 0x100,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S3CUART_RX1,
+ .end = IRQ_S3CUART_RX1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S3CUART_TX1,
+ .end = IRQ_S3CUART_TX1,
+ .flags = IORESOURCE_IRQ,
+
+ },
+ [3] = {
+ .start = IRQ_S3CUART_ERR1,
+ .end = IRQ_S3CUART_ERR1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource s3c6xx_uart2_resource[] = {
+ [0] = {
+ .start = S3C_PA_UART2,
+ .end = S3C_PA_UART2 + 0x100,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S3CUART_RX2,
+ .end = IRQ_S3CUART_RX2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S3CUART_TX2,
+ .end = IRQ_S3CUART_TX2,
+ .flags = IORESOURCE_IRQ,
+
+ },
+ [3] = {
+ .start = IRQ_S3CUART_ERR2,
+ .end = IRQ_S3CUART_ERR2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource s3c64xx_uart3_resource[] = {
+ [0] = {
+ .start = S3C_PA_UART3,
+ .end = S3C_PA_UART3 + 0x100,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S3CUART_RX3,
+ .end = IRQ_S3CUART_RX3,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S3CUART_TX3,
+ .end = IRQ_S3CUART_TX3,
+ .flags = IORESOURCE_IRQ,
+
+ },
+ [3] = {
+ .start = IRQ_S3CUART_ERR3,
+ .end = IRQ_S3CUART_ERR3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+
+struct s3c24xx_uart_resources s3c64xx_uart_resources[] __initdata = {
+ [0] = {
+ .resources = s3c64xx_uart0_resource,
+ .nr_resources = ARRAY_SIZE(s3c64xx_uart0_resource),
+ },
+ [1] = {
+ .resources = s3c64xx_uart1_resource,
+ .nr_resources = ARRAY_SIZE(s3c64xx_uart1_resource),
+ },
+ [2] = {
+ .resources = s3c6xx_uart2_resource,
+ .nr_resources = ARRAY_SIZE(s3c6xx_uart2_resource),
+ },
+ [3] = {
+ .resources = s3c64xx_uart3_resource,
+ .nr_resources = ARRAY_SIZE(s3c64xx_uart3_resource),
+ },
+};
+
+/* uart devices */
+
+static struct platform_device s3c24xx_uart_device0 = {
+ .id = 0,
+};
+
+static struct platform_device s3c24xx_uart_device1 = {
+ .id = 1,
+};
+
+static struct platform_device s3c24xx_uart_device2 = {
+ .id = 2,
+};
+
+static struct platform_device s3c24xx_uart_device3 = {
+ .id = 3,
+};
+
+struct platform_device *s3c24xx_uart_src[4] = {
+ &s3c24xx_uart_device0,
+ &s3c24xx_uart_device1,
+ &s3c24xx_uart_device2,
+ &s3c24xx_uart_device3,
+};
+
+struct platform_device *s3c24xx_uart_devs[4] = {
+};
+
diff --git a/arch/arm/plat-s3c64xx/include/plat/irqs.h b/arch/arm/plat-s3c64xx/include/plat/irqs.h
index 592a563..0f207ab 100644
--- a/arch/arm/plat-s3c64xx/include/plat/irqs.h
+++ b/arch/arm/plat-s3c64xx/include/plat/irqs.h
@@ -15,12 +15,45 @@
* the ISA space, so that the PC104 has them to itself
* and we don't end up having to do horrible things to the
* standard ISA drivers....
+ *
+ * note, since we're using the VICs, our start must be a
+ * mulitple of 32 to allow the common code to work
*/
-#define S3C_IRQ_OFFSET (16)
+#define S3C_IRQ_OFFSET (32)
#define S3C_IRQ(x) ((x) + S3C_IRQ_OFFSET)
+/* UART interrupts, each UART has 4 intterupts per channel so
+ * use the space between the ISA and S3C main interrupts. Note, these
+ * are not in the same order as the S3C24XX series! */
+
+#define IRQ_S3CUART_BASE0 (16)
+#define IRQ_S3CUART_BASE1 (20)
+#define IRQ_S3CUART_BASE2 (24)
+#define IRQ_S3CUART_BASE3 (28)
+
+#define UART_IRQ_RXD (0)
+#define UART_IRQ_ERR (1)
+#define UART_IRQ_TXD (2)
+#define UART_IRQ_MODEM (3)
+
+#define IRQ_S3CUART_RX0 (IRQ_S3CUART_BASE0 + UART_IRQ_RXD)
+#define IRQ_S3CUART_TX0 (IRQ_S3CUART_BASE0 + UART_IRQ_TXD)
+#define IRQ_S3CUART_ERR0 (IRQ_S3CUART_BASE0 + UART_IRQ_ERR)
+
+#define IRQ_S3CUART_RX1 (IRQ_S3CUART_BASE1 + UART_IRQ_RXD)
+#define IRQ_S3CUART_TX1 (IRQ_S3CUART_BASE1 + UART_IRQ_TXD)
+#define IRQ_S3CUART_ERR1 (IRQ_S3CUART_BASE1 + UART_IRQ_ERR)
+
+#define IRQ_S3CUART_RX2 (IRQ_S3CUART_BASE2 + UART_IRQ_RXD)
+#define IRQ_S3CUART_TX2 (IRQ_S3CUART_BASE2 + UART_IRQ_TXD)
+#define IRQ_S3CUART_ERR2 (IRQ_S3CUART_BASE2 + UART_IRQ_ERR)
+
+#define IRQ_S3CUART_RX3 (IRQ_S3CUART_BASE3 + UART_IRQ_RXD)
+#define IRQ_S3CUART_TX3 (IRQ_S3CUART_BASE3 + UART_IRQ_TXD)
+#define IRQ_S3CUART_ERR3 (IRQ_S3CUART_BASE3 + UART_IRQ_ERR)
+
/* Since the IRQ_EINT(x) are a linear mapping on current s3c64xx series
* we just defined them as an IRQ_EINT(x) macro from S3C_IRQ_EINT_BASE
* which we place after the pair of VICs. */