aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-s5p
diff options
context:
space:
mode:
authorKukjin Kim <kgene.kim@samsung.com>2010-01-14 08:23:53 +0900
committerBen Dooks <ben-linux@fluff.org>2010-01-15 19:16:47 +0900
commit501dae90b3ae4dd3d8efdacfcb072c3d65eb5a33 (patch)
tree500c065c5b94068f292ca8a064d9a140d0fa8571 /arch/arm/plat-s5p
parent62a6156e88b2e89eafed30aefc97ff4979393c1c (diff)
downloadmrst-s0i3-test-501dae90b3ae4dd3d8efdacfcb072c3d65eb5a33.tar.gz
mrst-s0i3-test-501dae90b3ae4dd3d8efdacfcb072c3d65eb5a33.tar.xz
mrst-s0i3-test-501dae90b3ae4dd3d8efdacfcb072c3d65eb5a33.zip
ARM: S5P6440: Add serial port support
This patch adds UART serial port support for S5P6440 CPU. Most of the serial support of Samsung's 6400 CPU is reused for 6440 CPU. Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s5p')
-rw-r--r--arch/arm/plat-s5p/dev-uart.c165
1 files changed, 165 insertions, 0 deletions
diff --git a/arch/arm/plat-s5p/dev-uart.c b/arch/arm/plat-s5p/dev-uart.c
new file mode 100644
index 00000000000..af726f47385
--- /dev/null
+++ b/arch/arm/plat-s5p/dev-uart.c
@@ -0,0 +1,165 @@
+/* linux/arch/arm/plat-s5p/dev-uart.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Base S5P 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 */
+
+static struct resource s5p_uart0_resource[] = {
+ [0] = {
+ .start = S5P_PA_UART0,
+ .end = S5P_PA_UART0 + S5P_SZ_UART,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S5P_UART_RX0,
+ .end = IRQ_S5P_UART_RX0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S5P_UART_TX0,
+ .end = IRQ_S5P_UART_TX0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_S5P_UART_ERR0,
+ .end = IRQ_S5P_UART_ERR0,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct resource s5p_uart1_resource[] = {
+ [0] = {
+ .start = S5P_PA_UART1,
+ .end = S5P_PA_UART1 + S5P_SZ_UART,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S5P_UART_RX1,
+ .end = IRQ_S5P_UART_RX1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S5P_UART_TX1,
+ .end = IRQ_S5P_UART_TX1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_S5P_UART_ERR1,
+ .end = IRQ_S5P_UART_ERR1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource s5p_uart2_resource[] = {
+ [0] = {
+ .start = S5P_PA_UART2,
+ .end = S5P_PA_UART2 + S5P_SZ_UART,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S5P_UART_RX2,
+ .end = IRQ_S5P_UART_RX2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S5P_UART_TX2,
+ .end = IRQ_S5P_UART_TX2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_S5P_UART_ERR2,
+ .end = IRQ_S5P_UART_ERR2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource s5p_uart3_resource[] = {
+ [0] = {
+ .start = S5P_PA_UART3,
+ .end = S5P_PA_UART3 + S5P_SZ_UART,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_S5P_UART_RX3,
+ .end = IRQ_S5P_UART_RX3,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_S5P_UART_TX3,
+ .end = IRQ_S5P_UART_TX3,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_S5P_UART_ERR3,
+ .end = IRQ_S5P_UART_ERR3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct s3c24xx_uart_resources s5p_uart_resources[] __initdata = {
+ [0] = {
+ .resources = s5p_uart0_resource,
+ .nr_resources = ARRAY_SIZE(s5p_uart0_resource),
+ },
+ [1] = {
+ .resources = s5p_uart1_resource,
+ .nr_resources = ARRAY_SIZE(s5p_uart1_resource),
+ },
+ [2] = {
+ .resources = s5p_uart2_resource,
+ .nr_resources = ARRAY_SIZE(s5p_uart2_resource),
+ },
+ [3] = {
+ .resources = s5p_uart3_resource,
+ .nr_resources = ARRAY_SIZE(s5p_uart3_resource),
+ },
+};
+
+/* uart devices */
+
+static struct platform_device s5p_uart_device0 = {
+ .id = 0,
+};
+
+static struct platform_device s5p_uart_device1 = {
+ .id = 1,
+};
+
+static struct platform_device s5p_uart_device2 = {
+ .id = 2,
+};
+
+static struct platform_device s5p_uart_device3 = {
+ .id = 3,
+};
+
+struct platform_device *s3c24xx_uart_src[4] = {
+ &s5p_uart_device0,
+ &s5p_uart_device1,
+ &s5p_uart_device2,
+ &s5p_uart_device3,
+};
+
+struct platform_device *s3c24xx_uart_devs[4] = {
+};