Added missing tegra files.HEADmaster

1 files changed, 72 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c64xx/irq.c b/arch/arm/mach-s3c64xx/irq.c
new file mode 100644
index 00000000000..75d9a0e4919
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/irq.c
@@ -0,0 +1,72 @@
+/* arch/arm/plat-s3c64xx/irq.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX - Interrupt handling
+ *
+ * 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/interrupt.h>
+#include <linux/serial_core.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <asm/hardware/vic.h>
+
+#include <mach/map.h>
+#include <plat/irq-vic-timer.h>
+#include <plat/irq-uart.h>
+#include <plat/cpu.h>
+
+static struct s3c_uart_irq uart_irqs[] = {
+        [0] = {
+                .regs           = S3C_VA_UART0,
+                .base_irq       = IRQ_S3CUART_BASE0,
+                .parent_irq     = IRQ_UART0,
+        },
+        [1] = {
+                .regs           = S3C_VA_UART1,
+                .base_irq       = IRQ_S3CUART_BASE1,
+                .parent_irq     = IRQ_UART1,
+        },
+        [2] = {
+                .regs           = S3C_VA_UART2,
+                .base_irq       = IRQ_S3CUART_BASE2,
+                .parent_irq     = IRQ_UART2,
+        },
+        [3] = {
+                .regs           = S3C_VA_UART3,
+                .base_irq       = IRQ_S3CUART_BASE3,
+                .parent_irq     = IRQ_UART3,
+        },
+};
+
+/* setup the sources the vic should advertise resume for, even though it
+ * is not doing the wake (set_irq_wake needs to be valid) */
+#define IRQ_VIC0_RESUME (1 << (IRQ_RTC_TIC - IRQ_VIC0_BASE))
+#define IRQ_VIC1_RESUME (1 << (IRQ_RTC_ALARM - IRQ_VIC1_BASE) | \
+                         1 << (IRQ_PENDN - IRQ_VIC1_BASE) |     \
+                         1 << (IRQ_HSMMC0 - IRQ_VIC1_BASE) |    \
+                         1 << (IRQ_HSMMC1 - IRQ_VIC1_BASE) |    \
+                         1 << (IRQ_HSMMC2 - IRQ_VIC1_BASE))
+
+void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid)
+{
+        printk(KERN_DEBUG "%s: initialising interrupts\n", __func__);
+
+        /* initialise the pair of VICs */
+        vic_init(VA_VIC0, IRQ_VIC0_BASE, vic0_valid, IRQ_VIC0_RESUME);
+        vic_init(VA_VIC1, IRQ_VIC1_BASE, vic1_valid, IRQ_VIC1_RESUME);
+
+        /* add the timer sub-irqs */
+        s3c_init_vic_timer_irq(5, IRQ_TIMER0);
+
+        s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs));
+}