ARM: S5P64X0: Update IRQ support

This patch updates IRQ support for S5P6440 and S5P6450 SoCs.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

2 files changed, 161 insertions, 0 deletions

diff --git a/arch/arm/mach-s5p64x0/include/mach/irqs.h b/arch/arm/mach-s5p64x0/include/mach/irqs.h
new file mode 100644
index 0000000..513abff
--- /dev/null
+++ b/arch/arm/mach-s5p64x0/include/mach/irqs.h
@@ -0,0 +1,142 @@
+/* linux/arch/arm/mach-s5p64x0/include/mach/irqs.h
+ *
+ * Copyright 2009-2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * S5P64X0 - IRQ definitions
+ *
+ * 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_ARCH_IRQS_H
+#define __ASM_ARCH_IRQS_H __FILE__
+
+#include <plat/irqs.h>
+
+/* VIC0 */
+
+#define IRQ_EINT0_3		S5P_IRQ_VIC0(0)
+#define IRQ_EINT4_11		S5P_IRQ_VIC0(1)
+#define IRQ_RTC_TIC		S5P_IRQ_VIC0(2)
+#define IRQ_IIS1		S5P_IRQ_VIC0(3)	/* for only S5P6450 */
+#define IRQ_IIS2		S5P_IRQ_VIC0(4)	/* for only S5P6450 */
+#define IRQ_IIC1		S5P_IRQ_VIC0(5)
+#define IRQ_I2SV40		S5P_IRQ_VIC0(6)
+#define IRQ_GPS			S5P_IRQ_VIC0(7)	/* for only S5P6450 */
+
+#define IRQ_2D			S5P_IRQ_VIC0(11)
+#define IRQ_TIMER0_VIC		S5P_IRQ_VIC0(23)
+#define IRQ_TIMER1_VIC		S5P_IRQ_VIC0(24)
+#define IRQ_TIMER2_VIC		S5P_IRQ_VIC0(25)
+#define IRQ_WDT			S5P_IRQ_VIC0(26)
+#define IRQ_TIMER3_VIC		S5P_IRQ_VIC0(27)
+#define IRQ_TIMER4_VIC		S5P_IRQ_VIC0(28)
+#define IRQ_DISPCON0		S5P_IRQ_VIC0(29)
+#define IRQ_DISPCON1		S5P_IRQ_VIC0(30)
+#define IRQ_DISPCON2		S5P_IRQ_VIC0(31)
+
+/* VIC1 */
+
+#define IRQ_EINT12_15		S5P_IRQ_VIC1(0)
+#define IRQ_PCM0		S5P_IRQ_VIC1(2)
+#define IRQ_PCM1		S5P_IRQ_VIC1(3)	/* for only S5P6450 */
+#define IRQ_PCM2		S5P_IRQ_VIC1(4)	/* for only S5P6450 */
+#define IRQ_UART0		S5P_IRQ_VIC1(5)
+#define IRQ_UART1		S5P_IRQ_VIC1(6)
+#define IRQ_UART2		S5P_IRQ_VIC1(7)
+#define IRQ_UART3		S5P_IRQ_VIC1(8)
+#define IRQ_DMA0		S5P_IRQ_VIC1(9)
+#define IRQ_UART4		S5P_IRQ_VIC1(10)	/* S5P6450 */
+#define IRQ_UART5		S5P_IRQ_VIC1(11)	/* S5P6450 */
+#define IRQ_NFC			S5P_IRQ_VIC1(13)
+#define IRQ_USI			S5P_IRQ_VIC1(15)	/* S5P6450 */
+#define IRQ_SPI0		S5P_IRQ_VIC1(16)
+#define IRQ_SPI1		S5P_IRQ_VIC1(17)
+#define IRQ_HSMMC2		S5P_IRQ_VIC1(17)	/* Shared */
+#define IRQ_IIC			S5P_IRQ_VIC1(18)
+#define IRQ_DISPCON3		S5P_IRQ_VIC1(19)
+#define IRQ_EINT_GROUPS		S5P_IRQ_VIC1(21)
+#define IRQ_PMU			S5P_IRQ_VIC1(23)	/* S5P6440 */
+#define IRQ_HSMMC0		S5P_IRQ_VIC1(24)
+#define IRQ_HSMMC1		S5P_IRQ_VIC1(25)
+#define IRQ_OTG			S5P_IRQ_VIC1(26)
+#define IRQ_DSI			S5P_IRQ_VIC1(27)
+#define IRQ_RTC_ALARM		S5P_IRQ_VIC1(28)
+#define IRQ_TSI			S5P_IRQ_VIC1(29)
+#define IRQ_PENDN		S5P_IRQ_VIC1(30)
+#define IRQ_TC			IRQ_PENDN
+#define IRQ_ADC			S5P_IRQ_VIC1(31)
+
+/* UART interrupts, S5P6450 has 5 UARTs */
+#define IRQ_S5P_UART_BASE4	(96)
+#define IRQ_S5P_UART_BASE5	(100)
+
+#define IRQ_S5P_UART_RX4	(IRQ_S5P_UART_BASE4 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX4	(IRQ_S5P_UART_BASE4 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR4	(IRQ_S5P_UART_BASE4 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX5	(IRQ_S5P_UART_BASE5 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX5	(IRQ_S5P_UART_BASE5 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR5	(IRQ_S5P_UART_BASE5 + UART_IRQ_ERR)
+
+/* S3C compatibilty defines */
+#define IRQ_S3CUART_RX4		IRQ_S5P_UART_RX4
+#define IRQ_S3CUART_RX5		IRQ_S5P_UART_RX5
+
+/* S5P6450 EINT feature will be added */
+
+/*
+ * Since the IRQ_EINT(x) are a linear mapping on s5p6440 we just defined
+ * them as an IRQ_EINT(x) macro from S5P_IRQ_EINT_BASE which we place
+ * after the pair of VICs.
+ */
+
+#define S5P_IRQ_EINT_BASE	(S5P_IRQ_VIC1(31) + 6)
+
+#define S5P_EINT(x)		((x) + S5P_IRQ_EINT_BASE)
+
+#define S5P_EINT_BASE1		(S5P_IRQ_EINT_BASE)
+/*
+ * S5P6440 has 0-15 external interrupts in group 0. Only these can be used
+ * to wake up from sleep. If request is beyond this range, by mistake, a large
+ * return value for an irq number should be indication of something amiss.
+ */
+#define S5P_EINT_BASE2		(0xf0000000)
+
+/*
+ * 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.
+ */
+
+/* Actually, #6 and #7 are missing in the EINT_GROUP1 */
+#define IRQ_EINT_GROUP1_NR	(15)
+#define IRQ_EINT_GROUP2_NR	(8)
+#define IRQ_EINT_GROUP5_NR	(7)
+#define IRQ_EINT_GROUP6_NR	(10)
+/* Actually, #0, #1 and #2 are missing in the EINT_GROUP8 */
+#define IRQ_EINT_GROUP8_NR	(11)
+
+#define IRQ_EINT_GROUP_BASE	S5P_EINT(16)
+#define IRQ_EINT_GROUP1_BASE	(IRQ_EINT_GROUP_BASE + 0)
+#define IRQ_EINT_GROUP2_BASE	(IRQ_EINT_GROUP1_BASE + IRQ_EINT_GROUP1_NR)
+#define IRQ_EINT_GROUP5_BASE	(IRQ_EINT_GROUP2_BASE + IRQ_EINT_GROUP2_NR)
+#define IRQ_EINT_GROUP6_BASE	(IRQ_EINT_GROUP5_BASE + IRQ_EINT_GROUP5_NR)
+#define IRQ_EINT_GROUP8_BASE	(IRQ_EINT_GROUP6_BASE + IRQ_EINT_GROUP6_NR)
+
+#define IRQ_EINT_GROUP(grp, x)	(IRQ_EINT_GROUP##grp##_BASE + (x))
+
+/* Set the default NR_IRQS */
+
+#define NR_IRQS			(IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR + 1)
+
+#endif /* __ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-s5p64x0/include/mach/regs-irq.h b/arch/arm/mach-s5p64x0/include/mach/regs-irq.h
new file mode 100644
index 0000000..4aaebda
--- /dev/null
+++ b/arch/arm/mach-s5p64x0/include/mach/regs-irq.h
@@ -0,0 +1,19 @@
+/* linux/arch/arm/mach-s5p64x0/include/mach/regs-irq.h
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * S5P64X0 - IRQ register definitions
+ *
+ * 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_ARCH_REGS_IRQ_H
+#define __ASM_ARCH_REGS_IRQ_H __FILE__
+
+#include <asm/hardware/vic.h>
+#include <mach/map.h>
+
+#endif /* __ASM_ARCH_REGS_IRQ_H */