xtensa: platform: s6105

Support for the S6105 IP Camera Reference Design Kit.

Signed-off-by: Johannes Weiner <jw@emlix.com>
Signed-off-by: Oskar Schirmer <os@emlix.com>
Signed-off-by: Chris Zankel <chris@zankel.net>

1 files changed, 67 insertions, 0 deletions

diff --git a/arch/xtensa/platforms/s6105/device.c b/arch/xtensa/platforms/s6105/device.c
new file mode 100644
index 00000000000..78b08be5a92
--- /dev/null
+++ b/arch/xtensa/platforms/s6105/device.c
@@ -0,0 +1,67 @@
+/*
+ * s6105 platform devices
+ *
+ * Copyright (c) 2009 emlix GmbH
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+
+#include <variant/hardware.h>
+
+#define UART_INTNUM		4
+
+static const signed char uart_irq_mappings[] = {
+	S6_INTC_UART(0),
+	S6_INTC_UART(1),
+	-1,
+};
+
+const signed char *platform_irq_mappings[NR_IRQS] = {
+	[UART_INTNUM] = uart_irq_mappings,
+};
+
+static struct plat_serial8250_port serial_platform_data[] = {
+	{
+		.membase = (void *)S6_REG_UART + 0x0000,
+		.mapbase = S6_REG_UART + 0x0000,
+		.irq = UART_INTNUM,
+		.uartclk = S6_SCLK,
+		.regshift = 2,
+		.iotype = SERIAL_IO_MEM,
+		.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST,
+	},
+	{
+		.membase = (void *)S6_REG_UART + 0x1000,
+		.mapbase = S6_REG_UART + 0x1000,
+		.irq = UART_INTNUM,
+		.uartclk = S6_SCLK,
+		.regshift = 2,
+		.iotype = SERIAL_IO_MEM,
+		.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST,
+	},
+	{ },
+};
+
+static struct platform_device platform_devices[] = {
+	{
+		.name = "serial8250",
+		.id = PLAT8250_DEV_PLATFORM,
+		.dev = {
+			.platform_data = serial_platform_data,
+		},
+	},
+};
+
+static int __init device_init(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(platform_devices); i++)
+		platform_device_register(&platform_devices[i]);
+	return 0;
+}
+arch_initcall_sync(device_init);