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/* linux/arch/arm/plat-s3c64xx/include/mach/irqs.h
*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* S3C64XX - Common IRQ support
*/
#ifndef __ASM_PLAT_S3C64XX_IRQS_H
#define __ASM_PLAT_S3C64XX_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 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. */
#define S3C_IRQ_EINT_BASE S3C_IRQ(64)
#define S3C_EINT(x) ((x) + S3C_IRQ_EINT_BASE)
/* Define NR_IRQs here, machine specific can always re-define.
* Currently the IRQ_EINT27 is the last one we can have. */
#define NR_IRQS (S3C_EINT(27) + 1)
#endif /* __ASM_PLAT_S3C64XX_IRQS_H */
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