ARM: S3C64XX: Move IRQ support into mach-s3c64xx

Move IRQ support to mach-s3c64xx as it is unlikely to be re-used outside
this machine.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

2 files changed, 205 insertions, 7 deletions

diff --git a/arch/arm/mach-s3c64xx/include/mach/entry-macro.S b/arch/arm/mach-s3c64xx/include/mach/entry-macro.S
index 33a8fe240882..dd362604dcce 100644
--- a/arch/arm/mach-s3c64xx/include/mach/entry-macro.S
+++ b/arch/arm/mach-s3c64xx/include/mach/entry-macro.S
@@ -13,6 +13,6 @@
 */
 
 #include <mach/map.h>
-#include <plat/irqs.h>
+#include <mach/irqs.h>
 
 #include <asm/entry-macro-vic2.S>
diff --git a/arch/arm/mach-s3c64xx/include/mach/irqs.h b/arch/arm/mach-s3c64xx/include/mach/irqs.h
index 4c97f9a4370b..44bb3e491b5c 100644
--- a/arch/arm/mach-s3c64xx/include/mach/irqs.h
+++ b/arch/arm/mach-s3c64xx/include/mach/irqs.h
@@ -1,16 +1,214 @@
-/* linux/arch/arm/mach-s3c6400/include/mach/irqs.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/irqs.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
  *      Ben Dooks <ben@simtec.co.uk>
  *      http://armlinux.simtec.co.uk/
  *
- * S3C6400 - IRQ definitions
+ * S3C64XX - IRQ support
  */
 
-#ifndef __ASM_ARCH_IRQS_H
-#define __ASM_ARCH_IRQS_H __FILE__
+#ifndef __ASM_MACH_S3C64XX_IRQS_H
+#define __ASM_MACH_S3C64XX_IRQS_H __FILE__
 
-#include <plat/irqs.h>
+/* 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)
+
+#define IRQ_VIC0_BASE	S3C_IRQ(0)
+#define IRQ_VIC1_BASE	S3C_IRQ(32)
+
+/* 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)
+
+/* VIC based IRQs */
+
+#define S3C64XX_IRQ_VIC0(x)	(IRQ_VIC0_BASE + (x))
+#define S3C64XX_IRQ_VIC1(x)	(IRQ_VIC1_BASE + (x))
+
+/* VIC0 */
+
+#define IRQ_EINT0_3		S3C64XX_IRQ_VIC0(0)
+#define IRQ_EINT4_11		S3C64XX_IRQ_VIC0(1)
+#define IRQ_RTC_TIC		S3C64XX_IRQ_VIC0(2)
+#define IRQ_CAMIF_C		S3C64XX_IRQ_VIC0(3)
+#define IRQ_CAMIF_P		S3C64XX_IRQ_VIC0(4)
+#define IRQ_CAMIF_MC		S3C64XX_IRQ_VIC0(5)
+#define IRQ_S3C6410_IIC1	S3C64XX_IRQ_VIC0(5)
+#define IRQ_S3C6410_IIS		S3C64XX_IRQ_VIC0(6)
+#define IRQ_S3C6400_CAMIF_MP	S3C64XX_IRQ_VIC0(6)
+#define IRQ_CAMIF_WE_C		S3C64XX_IRQ_VIC0(7)
+#define IRQ_S3C6410_G3D		S3C64XX_IRQ_VIC0(8)
+#define IRQ_S3C6400_CAMIF_WE_P	S3C64XX_IRQ_VIC0(8)
+#define IRQ_POST0		S3C64XX_IRQ_VIC0(9)
+#define IRQ_ROTATOR		S3C64XX_IRQ_VIC0(10)
+#define IRQ_2D			S3C64XX_IRQ_VIC0(11)
+#define IRQ_TVENC		S3C64XX_IRQ_VIC0(12)
+#define IRQ_SCALER		S3C64XX_IRQ_VIC0(13)
+#define IRQ_BATF		S3C64XX_IRQ_VIC0(14)
+#define IRQ_JPEG		S3C64XX_IRQ_VIC0(15)
+#define IRQ_MFC			S3C64XX_IRQ_VIC0(16)
+#define IRQ_SDMA0		S3C64XX_IRQ_VIC0(17)
+#define IRQ_SDMA1		S3C64XX_IRQ_VIC0(18)
+#define IRQ_ARM_DMAERR		S3C64XX_IRQ_VIC0(19)
+#define IRQ_ARM_DMA		S3C64XX_IRQ_VIC0(20)
+#define IRQ_ARM_DMAS		S3C64XX_IRQ_VIC0(21)
+#define IRQ_KEYPAD		S3C64XX_IRQ_VIC0(22)
+#define IRQ_TIMER0_VIC		S3C64XX_IRQ_VIC0(23)
+#define IRQ_TIMER1_VIC		S3C64XX_IRQ_VIC0(24)
+#define IRQ_TIMER2_VIC		S3C64XX_IRQ_VIC0(25)
+#define IRQ_WDT			S3C64XX_IRQ_VIC0(26)
+#define IRQ_TIMER3_VIC		S3C64XX_IRQ_VIC0(27)
+#define IRQ_TIMER4_VIC		S3C64XX_IRQ_VIC0(28)
+#define IRQ_LCD_FIFO		S3C64XX_IRQ_VIC0(29)
+#define IRQ_LCD_VSYNC		S3C64XX_IRQ_VIC0(30)
+#define IRQ_LCD_SYSTEM		S3C64XX_IRQ_VIC0(31)
+
+/* VIC1 */
+
+#define IRQ_EINT12_19		S3C64XX_IRQ_VIC1(0)
+#define IRQ_EINT20_27		S3C64XX_IRQ_VIC1(1)
+#define IRQ_PCM0		S3C64XX_IRQ_VIC1(2)
+#define IRQ_PCM1		S3C64XX_IRQ_VIC1(3)
+#define IRQ_AC97		S3C64XX_IRQ_VIC1(4)
+#define IRQ_UART0		S3C64XX_IRQ_VIC1(5)
+#define IRQ_UART1		S3C64XX_IRQ_VIC1(6)
+#define IRQ_UART2		S3C64XX_IRQ_VIC1(7)
+#define IRQ_UART3		S3C64XX_IRQ_VIC1(8)
+#define IRQ_DMA0		S3C64XX_IRQ_VIC1(9)
+#define IRQ_DMA1		S3C64XX_IRQ_VIC1(10)
+#define IRQ_ONENAND0		S3C64XX_IRQ_VIC1(11)
+#define IRQ_ONENAND1		S3C64XX_IRQ_VIC1(12)
+#define IRQ_NFC			S3C64XX_IRQ_VIC1(13)
+#define IRQ_CFCON		S3C64XX_IRQ_VIC1(14)
+#define IRQ_USBH		S3C64XX_IRQ_VIC1(15)
+#define IRQ_SPI0		S3C64XX_IRQ_VIC1(16)
+#define IRQ_SPI1		S3C64XX_IRQ_VIC1(17)
+#define IRQ_IIC			S3C64XX_IRQ_VIC1(18)
+#define IRQ_HSItx		S3C64XX_IRQ_VIC1(19)
+#define IRQ_HSIrx		S3C64XX_IRQ_VIC1(20)
+#define IRQ_RESERVED		S3C64XX_IRQ_VIC1(21)
+#define IRQ_MSM			S3C64XX_IRQ_VIC1(22)
+#define IRQ_HOSTIF		S3C64XX_IRQ_VIC1(23)
+#define IRQ_HSMMC0		S3C64XX_IRQ_VIC1(24)
+#define IRQ_HSMMC1		S3C64XX_IRQ_VIC1(25)
+#define IRQ_HSMMC2		IRQ_SPI1	/* shared with SPI1 */
+#define IRQ_OTG			S3C64XX_IRQ_VIC1(26)
+#define IRQ_IRDA		S3C64XX_IRQ_VIC1(27)
+#define IRQ_RTC_ALARM		S3C64XX_IRQ_VIC1(28)
+#define IRQ_SEC			S3C64XX_IRQ_VIC1(29)
+#define IRQ_PENDN		S3C64XX_IRQ_VIC1(30)
+#define IRQ_TC			IRQ_PENDN
+#define IRQ_ADC			S3C64XX_IRQ_VIC1(31)
+
+#define S3C64XX_TIMER_IRQ(x)	S3C_IRQ(64 + (x))
+
+#define IRQ_TIMER0		S3C64XX_TIMER_IRQ(0)
+#define IRQ_TIMER1		S3C64XX_TIMER_IRQ(1)
+#define IRQ_TIMER2		S3C64XX_TIMER_IRQ(2)
+#define IRQ_TIMER3		S3C64XX_TIMER_IRQ(3)
+#define IRQ_TIMER4		S3C64XX_TIMER_IRQ(4)
+
+/* compatibility for device defines */
+
+#define IRQ_IIC1		IRQ_S3C6410_IIC1
+
+/* 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+5)
+
+#define S3C_EINT(x)		((x) + S3C_IRQ_EINT_BASE)
+#define IRQ_EINT(x)		S3C_EINT(x)
+#define IRQ_EINT_BIT(x)		((x) - S3C_EINT(0))
+
+/* Next the external interrupt groups. These are similar to the IRQ_EINT(x)
+ * that they are sourced from the GPIO pins but with a different scheme for
+ * priority and source indication.
+ *
+ * The IRQ_EINT(x) can be thought of as 'group 0' of the available GPIO
+ * interrupts, but for historical reasons they are kept apart from these
+ * next interrupts.
+ *
+ * Use IRQ_EINT_GROUP(group, offset) to get the number for use in the
+ * machine specific support files.
+ */
+
+#define IRQ_EINT_GROUP1_NR	(15)
+#define IRQ_EINT_GROUP2_NR	(8)
+#define IRQ_EINT_GROUP3_NR	(5)
+#define IRQ_EINT_GROUP4_NR	(14)
+#define IRQ_EINT_GROUP5_NR	(7)
+#define IRQ_EINT_GROUP6_NR	(10)
+#define IRQ_EINT_GROUP7_NR	(16)
+#define IRQ_EINT_GROUP8_NR	(15)
+#define IRQ_EINT_GROUP9_NR	(9)
+
+#define IRQ_EINT_GROUP_BASE	S3C_EINT(28)
+#define IRQ_EINT_GROUP1_BASE	(IRQ_EINT_GROUP_BASE + 0x00)
+#define IRQ_EINT_GROUP2_BASE	(IRQ_EINT_GROUP1_BASE + IRQ_EINT_GROUP1_NR)
+#define IRQ_EINT_GROUP3_BASE	(IRQ_EINT_GROUP2_BASE + IRQ_EINT_GROUP2_NR)
+#define IRQ_EINT_GROUP4_BASE	(IRQ_EINT_GROUP3_BASE + IRQ_EINT_GROUP3_NR)
+#define IRQ_EINT_GROUP5_BASE	(IRQ_EINT_GROUP4_BASE + IRQ_EINT_GROUP4_NR)
+#define IRQ_EINT_GROUP6_BASE	(IRQ_EINT_GROUP5_BASE + IRQ_EINT_GROUP5_NR)
+#define IRQ_EINT_GROUP7_BASE	(IRQ_EINT_GROUP6_BASE + IRQ_EINT_GROUP6_NR)
+#define IRQ_EINT_GROUP8_BASE	(IRQ_EINT_GROUP7_BASE + IRQ_EINT_GROUP7_NR)
+#define IRQ_EINT_GROUP9_BASE	(IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR)
+
+#define IRQ_EINT_GROUP(group, no)	(IRQ_EINT_GROUP##group##_BASE + (no))
+
+/* Define a group of interrupts for board-specific use (eg, for MFD
+ * interrupt controllers). */
+#define IRQ_BOARD_START (IRQ_EINT_GROUP9_BASE + IRQ_EINT_GROUP9_NR + 1)
+
+#ifdef CONFIG_SMDK6410_WM1190_EV1
+#define IRQ_BOARD_NR 64
+#else
+#define IRQ_BOARD_NR 16
+#endif
+
+#define IRQ_BOARD_END (IRQ_BOARD_START + IRQ_BOARD_NR)
+
+/* Set the default NR_IRQS */
+
+#define NR_IRQS	(IRQ_BOARD_END + 1)
+
+#endif /* __ASM_MACH_S3C64XX_IRQS_H */
 
-#endif /* __ASM_ARCH_IRQ_H */