1 files changed, 97 insertions, 0 deletions
diff --git a/arch/arm/plat-s5p/include/plat/irqs.h b/arch/arm/plat-s5p/include/plat/irqs.h
new file mode 100644
index 000000000000..3fb3a3a17465
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/irqs.h
@@ -0,0 +1,97 @@
+/* linux/arch/arm/plat-s5p/include/plat/irqs.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P Common IRQ support
+ *
+ * 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.
+*/
+
+#ifndef __ASM_PLAT_S5P_IRQS_H
+#define __ASM_PLAT_S5P_IRQS_H __FILE__
+
+/* we keep the first set of CPU IRQs out of the range of
+ * 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 S5P_IRQ_OFFSET		(32)
+
+#define S5P_IRQ(x)		((x) + S5P_IRQ_OFFSET)
+
+#define S5P_VIC0_BASE		S5P_IRQ(0)
+#define S5P_VIC1_BASE		S5P_IRQ(32)
+#define S5P_VIC2_BASE		S5P_IRQ(64)
+#define S5P_VIC3_BASE		S5P_IRQ(96)
+
+#define VIC_BASE(x)		(S5P_VIC0_BASE + ((x)*32))
+
+#define IRQ_VIC0_BASE		S5P_VIC0_BASE
+#define IRQ_VIC1_BASE		S5P_VIC1_BASE
+#define IRQ_VIC2_BASE		S5P_VIC2_BASE
+
+/* 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_S5P_UART_BASE0	(16)
+#define IRQ_S5P_UART_BASE1	(20)
+#define IRQ_S5P_UART_BASE2	(24)
+#define IRQ_S5P_UART_BASE3	(28)
+
+#define UART_IRQ_RXD		(0)
+#define UART_IRQ_ERR		(1)
+#define UART_IRQ_TXD		(2)
+
+#define IRQ_S5P_UART_RX0	(IRQ_S5P_UART_BASE0 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX0	(IRQ_S5P_UART_BASE0 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR0	(IRQ_S5P_UART_BASE0 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX1	(IRQ_S5P_UART_BASE1 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX1	(IRQ_S5P_UART_BASE1 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR1	(IRQ_S5P_UART_BASE1 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX2	(IRQ_S5P_UART_BASE2 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX2	(IRQ_S5P_UART_BASE2 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR2	(IRQ_S5P_UART_BASE2 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX3	(IRQ_S5P_UART_BASE3 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX3	(IRQ_S5P_UART_BASE3 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR3	(IRQ_S5P_UART_BASE3 + UART_IRQ_ERR)
+
+/* S3C compatibilty defines */
+#define IRQ_S3CUART_RX0		IRQ_S5P_UART_RX0
+#define IRQ_S3CUART_RX1		IRQ_S5P_UART_RX1
+#define IRQ_S3CUART_RX2		IRQ_S5P_UART_RX2
+#define IRQ_S3CUART_RX3		IRQ_S5P_UART_RX3
+
+/* VIC based IRQs */
+
+#define S5P_IRQ_VIC0(x)		(S5P_VIC0_BASE + (x))
+#define S5P_IRQ_VIC1(x)		(S5P_VIC1_BASE + (x))
+#define S5P_IRQ_VIC2(x)		(S5P_VIC2_BASE + (x))
+#define S5P_IRQ_VIC3(x)		(S5P_VIC3_BASE + (x))
+
+#define S5P_TIMER_IRQ(x)	(11 + (x))
+
+#define IRQ_TIMER0		S5P_TIMER_IRQ(0)
+#define IRQ_TIMER1		S5P_TIMER_IRQ(1)
+#define IRQ_TIMER2		S5P_TIMER_IRQ(2)
+#define IRQ_TIMER3		S5P_TIMER_IRQ(3)
+#define IRQ_TIMER4		S5P_TIMER_IRQ(4)
+
+#define IRQ_EINT(x)		((x) < 16 ? ((x) + S5P_EINT_BASE1) \
+					: ((x) - 16 + S5P_EINT_BASE2))
+
+#define EINT_OFFSET(irq)	((irq) < S5P_EINT_BASE2 ? \
+						((irq) - S5P_EINT_BASE1) : \
+						((irq) + 16 - S5P_EINT_BASE2))
+
+#endif /* __ASM_PLAT_S5P_IRQS_H */