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Commit 5ad36c5f authored by Erik Gilling's avatar Erik Gilling
Browse files

[ARM] tegra: Add IRQ support 



v2: fixes from Russell King
	- include linux/io.h instead of asm/io.h and mach/io.h

Signed-off-by: default avatarColin Cross <ccross@android.com>
Signed-off-by: default avatarErik Gilling <konkers@android.com>
parent c5f80065

arch/arm/mach-tegra/Makefile

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Original line number Diff line number Diff line 
obj-y                                   += common.o

obj-y                                   += io.o

obj-y                                   += irq.o

arch/arm/mach-tegra/include/mach/irqs.h

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/*

 * arch/arm/mach-tegra/include/mach/irqs.h

 *

 * Copyright (C) 2010 Google, Inc.

 *

 * Author:

 *	Colin Cross <ccross@google.com>

 *	Erik Gilling <konkers@google.com>

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and

 * may be copied, distributed, and modified under those terms.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */



#ifndef __MACH_TEGRA_IRQS_H

#define __MACH_TEGRA_IRQS_H



#define INT_GIC_BASE			0



#define IRQ_LOCALTIMER                  29



/* Primary Interrupt Controller */

#define INT_PRI_BASE			(INT_GIC_BASE + 32)

#define INT_TMR1			(INT_PRI_BASE + 0)

#define INT_TMR2			(INT_PRI_BASE + 1)

#define INT_RTC				(INT_PRI_BASE + 2)

#define INT_I2S2			(INT_PRI_BASE + 3)

#define INT_SHR_SEM_INBOX_IBF		(INT_PRI_BASE + 4)

#define INT_SHR_SEM_INBOX_IBE		(INT_PRI_BASE + 5)

#define INT_SHR_SEM_OUTBOX_IBF		(INT_PRI_BASE + 6)

#define INT_SHR_SEM_OUTBOX_IBE		(INT_PRI_BASE + 7)

#define INT_VDE_UCQ_ERROR		(INT_PRI_BASE + 8)

#define INT_VDE_SYNC_TOKEN		(INT_PRI_BASE + 9)

#define INT_VDE_BSE_V			(INT_PRI_BASE + 10)

#define INT_VDE_BSE_A			(INT_PRI_BASE + 11)

#define INT_VDE_SXE			(INT_PRI_BASE + 12)

#define INT_I2S1			(INT_PRI_BASE + 13)

#define INT_SDMMC1			(INT_PRI_BASE + 14)

#define INT_SDMMC2			(INT_PRI_BASE + 15)

#define INT_XIO				(INT_PRI_BASE + 16)

#define INT_VDE				(INT_PRI_BASE + 17)

#define INT_AVP_UCQ			(INT_PRI_BASE + 18)

#define INT_SDMMC3			(INT_PRI_BASE + 19)

#define INT_USB				(INT_PRI_BASE + 20)

#define INT_USB2			(INT_PRI_BASE + 21)

#define INT_PRI_RES_22			(INT_PRI_BASE + 22)

#define INT_EIDE			(INT_PRI_BASE + 23)

#define INT_NANDFLASH			(INT_PRI_BASE + 24)

#define INT_VCP				(INT_PRI_BASE + 25)

#define INT_APB_DMA			(INT_PRI_BASE + 26)

#define INT_AHB_DMA			(INT_PRI_BASE + 27)

#define INT_GNT_0			(INT_PRI_BASE + 28)

#define INT_GNT_1			(INT_PRI_BASE + 29)

#define INT_OWR				(INT_PRI_BASE + 30)

#define INT_SDMMC4			(INT_PRI_BASE + 31)



/* Secondary Interrupt Controller */

#define INT_SEC_BASE			(INT_PRI_BASE + 32)

#define INT_GPIO1			(INT_SEC_BASE + 0)

#define INT_GPIO2			(INT_SEC_BASE + 1)

#define INT_GPIO3			(INT_SEC_BASE + 2)

#define INT_GPIO4			(INT_SEC_BASE + 3)

#define INT_UARTA			(INT_SEC_BASE + 4)

#define INT_UARTB			(INT_SEC_BASE + 5)

#define INT_I2C				(INT_SEC_BASE + 6)

#define INT_SPI				(INT_SEC_BASE + 7)

#define INT_TWC				(INT_SEC_BASE + 8)

#define INT_TMR3			(INT_SEC_BASE + 9)

#define INT_TMR4			(INT_SEC_BASE + 10)

#define INT_FLOW_RSM0			(INT_SEC_BASE + 11)

#define INT_FLOW_RSM1			(INT_SEC_BASE + 12)

#define INT_SPDIF			(INT_SEC_BASE + 13)

#define INT_UARTC			(INT_SEC_BASE + 14)

#define INT_MIPI			(INT_SEC_BASE + 15)

#define INT_EVENTA			(INT_SEC_BASE + 16)

#define INT_EVENTB			(INT_SEC_BASE + 17)

#define INT_EVENTC			(INT_SEC_BASE + 18)

#define INT_EVENTD			(INT_SEC_BASE + 19)

#define INT_VFIR			(INT_SEC_BASE + 20)

#define INT_DVC				(INT_SEC_BASE + 21)

#define INT_SYS_STATS_MON		(INT_SEC_BASE + 22)

#define INT_GPIO5			(INT_SEC_BASE + 23)

#define INT_CPU0_PMU_INTR		(INT_SEC_BASE + 24)

#define INT_CPU2_PMU_INTR		(INT_SEC_BASE + 25)

#define INT_SEC_RES_26			(INT_SEC_BASE + 26)

#define INT_S_LINK1			(INT_SEC_BASE + 27)

#define INT_APB_DMA_COP			(INT_SEC_BASE + 28)

#define INT_AHB_DMA_COP			(INT_SEC_BASE + 29)

#define INT_DMA_TX			(INT_SEC_BASE + 30)

#define INT_DMA_RX			(INT_SEC_BASE + 31)



/* Tertiary Interrupt Controller */

#define INT_TRI_BASE			(INT_SEC_BASE + 32)

#define INT_HOST1X_COP_SYNCPT		(INT_TRI_BASE + 0)

#define INT_HOST1X_MPCORE_SYNCPT	(INT_TRI_BASE + 1)

#define INT_HOST1X_COP_GENERAL		(INT_TRI_BASE + 2)

#define INT_HOST1X_MPCORE_GENERAL	(INT_TRI_BASE + 3)

#define INT_MPE_GENERAL			(INT_TRI_BASE + 4)

#define INT_VI_GENERAL			(INT_TRI_BASE + 5)

#define INT_EPP_GENERAL			(INT_TRI_BASE + 6)

#define INT_ISP_GENERAL			(INT_TRI_BASE + 7)

#define INT_2D_GENERAL			(INT_TRI_BASE + 8)

#define INT_DISPLAY_GENERAL		(INT_TRI_BASE + 9)

#define INT_DISPLAY_B_GENERAL		(INT_TRI_BASE + 10)

#define INT_HDMI			(INT_TRI_BASE + 11)

#define INT_TVO_GENERAL			(INT_TRI_BASE + 12)

#define INT_MC_GENERAL			(INT_TRI_BASE + 13)

#define INT_EMC_GENERAL			(INT_TRI_BASE + 14)

#define INT_TRI_RES_15			(INT_TRI_BASE + 15)

#define INT_TRI_RES_16			(INT_TRI_BASE + 16)

#define INT_AC97			(INT_TRI_BASE + 17)

#define INT_SPI_2			(INT_TRI_BASE + 18)

#define INT_SPI_3			(INT_TRI_BASE + 19)

#define INT_I2C2			(INT_TRI_BASE + 20)

#define INT_KBC				(INT_TRI_BASE + 21)

#define INT_EXTERNAL_PMU		(INT_TRI_BASE + 22)

#define INT_GPIO6			(INT_TRI_BASE + 23)

#define INT_TVDAC			(INT_TRI_BASE + 24)

#define INT_GPIO7			(INT_TRI_BASE + 25)

#define INT_UARTD			(INT_TRI_BASE + 26)

#define INT_UARTE			(INT_TRI_BASE + 27)

#define INT_I2C3			(INT_TRI_BASE + 28)

#define INT_SPI_4			(INT_TRI_BASE + 29)

#define INT_TRI_RES_30			(INT_TRI_BASE + 30)

#define INT_SW_RESERVED			(INT_TRI_BASE + 31)



/* Quaternary Interrupt Controller */

#define INT_QUAD_BASE			(INT_TRI_BASE + 32)

#define INT_SNOR			(INT_QUAD_BASE + 0)

#define INT_USB3			(INT_QUAD_BASE + 1)

#define INT_PCIE_INTR			(INT_QUAD_BASE + 2)

#define INT_PCIE_MSI			(INT_QUAD_BASE + 3)

#define INT_QUAD_RES_4			(INT_QUAD_BASE + 4)

#define INT_QUAD_RES_5			(INT_QUAD_BASE + 5)

#define INT_QUAD_RES_6			(INT_QUAD_BASE + 6)

#define INT_QUAD_RES_7			(INT_QUAD_BASE + 7)

#define INT_APB_DMA_CH0			(INT_QUAD_BASE + 8)

#define INT_APB_DMA_CH1			(INT_QUAD_BASE + 9)

#define INT_APB_DMA_CH2			(INT_QUAD_BASE + 10)

#define INT_APB_DMA_CH3			(INT_QUAD_BASE + 11)

#define INT_APB_DMA_CH4			(INT_QUAD_BASE + 12)

#define INT_APB_DMA_CH5			(INT_QUAD_BASE + 13)

#define INT_APB_DMA_CH6			(INT_QUAD_BASE + 14)

#define INT_APB_DMA_CH7			(INT_QUAD_BASE + 15)

#define INT_APB_DMA_CH8			(INT_QUAD_BASE + 16)

#define INT_APB_DMA_CH9			(INT_QUAD_BASE + 17)

#define INT_APB_DMA_CH10		(INT_QUAD_BASE + 18)

#define INT_APB_DMA_CH11		(INT_QUAD_BASE + 19)

#define INT_APB_DMA_CH12		(INT_QUAD_BASE + 20)

#define INT_APB_DMA_CH13		(INT_QUAD_BASE + 21)

#define INT_APB_DMA_CH14		(INT_QUAD_BASE + 22)

#define INT_APB_DMA_CH15		(INT_QUAD_BASE + 23)

#define INT_QUAD_RES_24			(INT_QUAD_BASE + 24)

#define INT_QUAD_RES_25			(INT_QUAD_BASE + 25)

#define INT_QUAD_RES_26			(INT_QUAD_BASE + 26)

#define INT_QUAD_RES_27			(INT_QUAD_BASE + 27)

#define INT_QUAD_RES_28			(INT_QUAD_BASE + 28)

#define INT_QUAD_RES_29			(INT_QUAD_BASE + 29)

#define INT_QUAD_RES_30			(INT_QUAD_BASE + 30)

#define INT_QUAD_RES_31			(INT_QUAD_BASE + 31)



#define INT_GPIO_BASE			(INT_QUAD_BASE + 32)

#define INT_GPIO_NR			(28 * 8)



#define NR_IRQS				(INT_GPIO_BASE + INT_GPIO_NR)



#endif

arch/arm/mach-tegra/irq.c

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Original line number Diff line number Diff line 
/*

 * Copyright (C) 2010 Google, Inc.

 *

 * Author:

 *	Colin Cross <ccross@google.com>

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and

 * may be copied, distributed, and modified under those terms.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */



#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/irq.h>

#include <linux/io.h>



#include <asm/hardware/gic.h>



#include <mach/iomap.h>



#include "board.h"



void __init tegra_init_irq(void)

{

	gic_dist_init(0, IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE), 29);

	gic_cpu_init(0, IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x100));

}