diff options
| -rw-r--r-- | arch/arm/mach-bcmring/include/csp/intcHw.h | 40 | ||||
| -rw-r--r-- | arch/arm/mach-bcmring/include/mach/csp/intcHw_reg.h | 246 | ||||
| -rw-r--r-- | arch/arm/mach-bcmring/include/mach/irqs.h | 132 | ||||
| -rw-r--r-- | arch/arm/mach-bcmring/irq.c | 127 |
4 files changed, 545 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/include/csp/intcHw.h b/arch/arm/mach-bcmring/include/csp/intcHw.h new file mode 100644 index 000000000000..1c639c8ee08f --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/intcHw.h @@ -0,0 +1,40 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + + +/****************************************************************************/ +/** +* @file intcHw.h +* +* @brief generic interrupt controller API +* +* @note +* None +*/ +/****************************************************************************/ + +#ifndef _INTCHW_H +#define _INTCHW_H + +/* ---- Include Files ---------------------------------------------------- */ +#include <mach/csp/intcHw_reg.h> + +/* ---- Public Constants and Types --------------------------------------- */ +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ +static inline void intcHw_irq_disable(void *basep, uint32_t mask); +static inline void intcHw_irq_enable(void *basep, uint32_t mask); + +#endif /* _INTCHW_H */ + diff --git a/arch/arm/mach-bcmring/include/mach/csp/intcHw_reg.h b/arch/arm/mach-bcmring/include/mach/csp/intcHw_reg.h new file mode 100644 index 000000000000..e01fc4607c91 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/intcHw_reg.h @@ -0,0 +1,246 @@ +/***************************************************************************** +* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file intcHw_reg.h +* +* @brief platform specific interrupt controller bit assignments +* +* @note +* None +*/ +/****************************************************************************/ + +#ifndef _INTCHW_REG_H +#define _INTCHW_REG_H + +/* ---- Include Files ---------------------------------------------------- */ +#include <csp/stdint.h> +#include <csp/reg.h> +#include <mach/csp/mm_io.h> + +/* ---- Public Constants and Types --------------------------------------- */ + +#define INTCHW_NUM_IRQ_PER_INTC 32 /* Maximum number of interrupt controllers */ +#define INTCHW_NUM_INTC 3 + +/* Defines for interrupt controllers. This simplifies and cleans up the function calls. */ +#define INTCHW_INTC0 ((void *)MM_IO_BASE_INTC0) +#define INTCHW_INTC1 ((void *)MM_IO_BASE_INTC1) +#define INTCHW_SINTC ((void *)MM_IO_BASE_SINTC) + +/* INTC0 - interrupt controller 0 */ +#define INTCHW_INTC0_PIF_BITNUM 31 /* Peripheral interface interrupt */ +#define INTCHW_INTC0_CLCD_BITNUM 30 /* LCD Controller interrupt */ +#define INTCHW_INTC0_GE_BITNUM 29 /* Graphic engine interrupt */ +#define INTCHW_INTC0_APM_BITNUM 28 /* Audio process module interrupt */ +#define INTCHW_INTC0_ESW_BITNUM 27 /* Ethernet switch interrupt */ +#define INTCHW_INTC0_SPIH_BITNUM 26 /* SPI host interrupt */ +#define INTCHW_INTC0_TIMER3_BITNUM 25 /* Timer3 interrupt */ +#define INTCHW_INTC0_TIMER2_BITNUM 24 /* Timer2 interrupt */ +#define INTCHW_INTC0_TIMER1_BITNUM 23 /* Timer1 interrupt */ +#define INTCHW_INTC0_TIMER0_BITNUM 22 /* Timer0 interrupt */ +#define INTCHW_INTC0_SDIOH1_BITNUM 21 /* SDIO1 host interrupt */ +#define INTCHW_INTC0_SDIOH0_BITNUM 20 /* SDIO0 host interrupt */ +#define INTCHW_INTC0_USBD_BITNUM 19 /* USB device interrupt */ +#define INTCHW_INTC0_USBH1_BITNUM 18 /* USB1 host interrupt */ +#define INTCHW_INTC0_USBHD2_BITNUM 17 /* USB host2/device2 interrupt */ +#define INTCHW_INTC0_VPM_BITNUM 16 /* Voice process module interrupt */ +#define INTCHW_INTC0_DMA1C7_BITNUM 15 /* DMA1 channel 7 interrupt */ +#define INTCHW_INTC0_DMA1C6_BITNUM 14 /* DMA1 channel 6 interrupt */ +#define INTCHW_INTC0_DMA1C5_BITNUM 13 /* DMA1 channel 5 interrupt */ +#define INTCHW_INTC0_DMA1C4_BITNUM 12 /* DMA1 channel 4 interrupt */ +#define INTCHW_INTC0_DMA1C3_BITNUM 11 /* DMA1 channel 3 interrupt */ +#define INTCHW_INTC0_DMA1C2_BITNUM 10 /* DMA1 channel 2 interrupt */ +#define INTCHW_INTC0_DMA1C1_BITNUM 9 /* DMA1 channel 1 interrupt */ +#define INTCHW_INTC0_DMA1C0_BITNUM 8 /* DMA1 channel 0 interrupt */ +#define INTCHW_INTC0_DMA0C7_BITNUM 7 /* DMA0 channel 7 interrupt */ +#define INTCHW_INTC0_DMA0C6_BITNUM 6 /* DMA0 channel 6 interrupt */ +#define INTCHW_INTC0_DMA0C5_BITNUM 5 /* DMA0 channel 5 interrupt */ +#define INTCHW_INTC0_DMA0C4_BITNUM 4 /* DMA0 channel 4 interrupt */ +#define INTCHW_INTC0_DMA0C3_BITNUM 3 /* DMA0 channel 3 interrupt */ +#define INTCHW_INTC0_DMA0C2_BITNUM 2 /* DMA0 channel 2 interrupt */ +#define INTCHW_INTC0_DMA0C1_BITNUM 1 /* DMA0 channel 1 interrupt */ +#define INTCHW_INTC0_DMA0C0_BITNUM 0 /* DMA0 channel 0 interrupt */ + +#define INTCHW_INTC0_PIF (1<<INTCHW_INTC0_PIF_BITNUM) +#define INTCHW_INTC0_CLCD (1<<INTCHW_INTC0_CLCD_BITNUM) +#define INTCHW_INTC0_GE (1<<INTCHW_INTC0_GE_BITNUM) +#define INTCHW_INTC0_APM (1<<INTCHW_INTC0_APM_BITNUM) +#define INTCHW_INTC0_ESW (1<<INTCHW_INTC0_ESW_BITNUM) +#define INTCHW_INTC0_SPIH (1<<INTCHW_INTC0_SPIH_BITNUM) +#define INTCHW_INTC0_TIMER3 (1<<INTCHW_INTC0_TIMER3_BITNUM) +#define INTCHW_INTC0_TIMER2 (1<<INTCHW_INTC0_TIMER2_BITNUM) +#define INTCHW_INTC0_TIMER1 (1<<INTCHW_INTC0_TIMER1_BITNUM) +#define INTCHW_INTC0_TIMER0 (1<<INTCHW_INTC0_TIMER0_BITNUM) +#define INTCHW_INTC0_SDIOH1 (1<<INTCHW_INTC0_SDIOH1_BITNUM) +#define INTCHW_INTC0_SDIOH0 (1<<INTCHW_INTC0_SDIOH0_BITNUM) +#define INTCHW_INTC0_USBD (1<<INTCHW_INTC0_USBD_BITNUM) +#define INTCHW_INTC0_USBH1 (1<<INTCHW_INTC0_USBH1_BITNUM) +#define INTCHW_INTC0_USBHD2 (1<<INTCHW_INTC0_USBHD2_BITNUM) +#define INTCHW_INTC0_VPM (1<<INTCHW_INTC0_VPM_BITNUM) +#define INTCHW_INTC0_DMA1C7 (1<<INTCHW_INTC0_DMA1C7_BITNUM) +#define INTCHW_INTC0_DMA1C6 (1<<INTCHW_INTC0_DMA1C6_BITNUM) +#define INTCHW_INTC0_DMA1C5 (1<<INTCHW_INTC0_DMA1C5_BITNUM) +#define INTCHW_INTC0_DMA1C4 (1<<INTCHW_INTC0_DMA1C4_BITNUM) +#define INTCHW_INTC0_DMA1C3 (1<<INTCHW_INTC0_DMA1C3_BITNUM) +#define INTCHW_INTC0_DMA1C2 (1<<INTCHW_INTC0_DMA1C2_BITNUM) +#define INTCHW_INTC0_DMA1C1 (1<<INTCHW_INTC0_DMA1C1_BITNUM) +#define INTCHW_INTC0_DMA1C0 (1<<INTCHW_INTC0_DMA1C0_BITNUM) +#define INTCHW_INTC0_DMA0C7 (1<<INTCHW_INTC0_DMA0C7_BITNUM) +#define INTCHW_INTC0_DMA0C6 (1<<INTCHW_INTC0_DMA0C6_BITNUM) +#define INTCHW_INTC0_DMA0C5 (1<<INTCHW_INTC0_DMA0C5_BITNUM) +#define INTCHW_INTC0_DMA0C4 (1<<INTCHW_INTC0_DMA0C4_BITNUM) +#define INTCHW_INTC0_DMA0C3 (1<<INTCHW_INTC0_DMA0C3_BITNUM) +#define INTCHW_INTC0_DMA0C2 (1<<INTCHW_INTC0_DMA0C2_BITNUM) +#define INTCHW_INTC0_DMA0C1 (1<<INTCHW_INTC0_DMA0C1_BITNUM) +#define INTCHW_INTC0_DMA0C0 (1<<INTCHW_INTC0_DMA0C0_BITNUM) + +/* INTC1 - interrupt controller 1 */ +#define INTCHW_INTC1_DDRVPMP_BITNUM 27 /* DDR and VPM PLL clock phase relationship interupt (Not for A0) */ +#define INTCHW_INTC1_DDRVPMT_BITNUM 26 /* DDR and VPM HW phase align timeout interrupt (Not for A0) */ +#define INTCHW_INTC1_DDRP_BITNUM 26 /* DDR and PLL clock phase relationship interupt (For A0 only)) */ +#define INTCHW_INTC1_RTC2_BITNUM 25 /* Real time clock tamper interrupt */ +#define INTCHW_INTC1_VDEC_BITNUM 24 /* Hantro Video Decoder interrupt */ +/* Bits 13-23 are non-secure versions of the corresponding secure bits in SINTC bits 0-10. */ +#define INTCHW_INTC1_SPUM_BITNUM 23 /* Secure process module interrupt */ +#define INTCHW_INTC1_RTC1_BITNUM 22 /* Real time clock one-shot interrupt */ +#define INTCHW_INTC1_RTC0_BITNUM 21 /* Real time clock periodic interrupt */ +#define INTCHW_INTC1_RNG_BITNUM 20 /* Random number generator interrupt */ +#define INTCHW_INTC1_FMPU_BITNUM 19 /* Flash memory parition unit interrupt */ +#define INTCHW_INTC1_VMPU_BITNUM 18 /* VRAM memory partition interrupt */ +#define INTCHW_INTC1_DMPU_BITNUM 17 /* DDR2 memory partition interrupt */ +#define INTCHW_INTC1_KEYC_BITNUM 16 /* Key pad controller interrupt */ +#define INTCHW_INTC1_TSC_BITNUM 15 /* Touch screen controller interrupt */ +#define INTCHW_INTC1_UART0_BITNUM 14 /* UART 0 */ +#define INTCHW_INTC1_WDOG_BITNUM 13 /* Watchdog timer interrupt */ + +#define INTCHW_INTC1_UART1_BITNUM 12 /* UART 1 */ +#define INTCHW_INTC1_PMUIRQ_BITNUM 11 /* ARM performance monitor interrupt */ +#define INTCHW_INTC1_COMMRX_BITNUM 10 /* ARM DDC receive interrupt */ +#define INTCHW_INTC1_COMMTX_BITNUM 9 /* ARM DDC transmit interrupt */ +#define INTCHW_INTC1_FLASHC_BITNUM 8 /* Flash controller interrupt */ +#define INTCHW_INTC1_GPHY_BITNUM 7 /* Gigabit Phy interrupt */ +#define INTCHW_INTC1_SPIS_BITNUM 6 /* SPI slave interrupt */ +#define INTCHW_INTC1_I2CS_BITNUM 5 /* I2C slave interrupt */ +#define INTCHW_INTC1_I2CH_BITNUM 4 /* I2C host interrupt */ +#define INTCHW_INTC1_I2S1_BITNUM 3 /* I2S1 interrupt */ +#define INTCHW_INTC1_I2S0_BITNUM 2 /* I2S0 interrupt */ +#define INTCHW_INTC1_GPIO1_BITNUM 1 /* GPIO bit 64//32 combined interrupt */ +#define INTCHW_INTC1_GPIO0_BITNUM 0 /* GPIO bit 31//0 combined interrupt */ + +#define INTCHW_INTC1_DDRVPMT (1<<INTCHW_INTC1_DDRVPMT_BITNUM) +#define INTCHW_INTC1_DDRVPMP (1<<INTCHW_INTC1_DDRVPMP_BITNUM) +#define INTCHW_INTC1_DDRP (1<<INTCHW_INTC1_DDRP_BITNUM) +#define INTCHW_INTC1_VDEC (1<<INTCHW_INTC1_VDEC_BITNUM) +#define INTCHW_INTC1_SPUM (1<<INTCHW_INTC1_SPUM_BITNUM) +#define INTCHW_INTC1_RTC2 (1<<INTCHW_INTC1_RTC2_BITNUM) +#define INTCHW_INTC1_RTC1 (1<<INTCHW_INTC1_RTC1_BITNUM) +#define INTCHW_INTC1_RTC0 (1<<INTCHW_INTC1_RTC0_BITNUM) +#define INTCHW_INTC1_RNG (1<<INTCHW_INTC1_RNG_BITNUM) +#define INTCHW_INTC1_FMPU (1<<INTCHW_INTC1_FMPU_BITNUM) +#define INTCHW_INTC1_IMPU (1<<INTCHW_INTC1_IMPU_BITNUM) +#define INTCHW_INTC1_DMPU (1<<INTCHW_INTC1_DMPU_BITNUM) +#define INTCHW_INTC1_KEYC (1<<INTCHW_INTC1_KEYC_BITNUM) +#define INTCHW_INTC1_TSC (1<<INTCHW_INTC1_TSC_BITNUM) +#define INTCHW_INTC1_UART0 (1<<INTCHW_INTC1_UART0_BITNUM) +#define INTCHW_INTC1_WDOG (1<<INTCHW_INTC1_WDOG_BITNUM) +#define INTCHW_INTC1_UART1 (1<<INTCHW_INTC1_UART1_BITNUM) +#define INTCHW_INTC1_PMUIRQ (1<<INTCHW_INTC1_PMUIRQ_BITNUM) +#define INTCHW_INTC1_COMMRX (1<<INTCHW_INTC1_COMMRX_BITNUM) +#define INTCHW_INTC1_COMMTX (1<<INTCHW_INTC1_COMMTX_BITNUM) +#define INTCHW_INTC1_FLASHC (1<<INTCHW_INTC1_FLASHC_BITNUM) +#define INTCHW_INTC1_GPHY (1<<INTCHW_INTC1_GPHY_BITNUM) +#define INTCHW_INTC1_SPIS (1<<INTCHW_INTC1_SPIS_BITNUM) +#define INTCHW_INTC1_I2CS (1<<INTCHW_INTC1_I2CS_BITNUM) +#define INTCHW_INTC1_I2CH (1<<INTCHW_INTC1_I2CH_BITNUM) +#define INTCHW_INTC1_I2S1 (1<<INTCHW_INTC1_I2S1_BITNUM) +#define INTCHW_INTC1_I2S0 (1<<INTCHW_INTC1_I2S0_BITNUM) +#define INTCHW_INTC1_GPIO1 (1<<INTCHW_INTC1_GPIO1_BITNUM) +#define INTCHW_INTC1_GPIO0 (1<<INTCHW_INTC1_GPIO0_BITNUM) + +/* SINTC secure int controller */ +#define INTCHW_SINTC_RTC2_BITNUM 15 /* Real time clock tamper interrupt */ +#define INTCHW_SINTC_TIMER3_BITNUM 14 /* Secure timer3 interrupt */ +#define INTCHW_SINTC_TIMER2_BITNUM 13 /* Secure timer2 interrupt */ +#define INTCHW_SINTC_TIMER1_BITNUM 12 /* Secure timer1 interrupt */ +#define INTCHW_SINTC_TIMER0_BITNUM 11 /* Secure timer0 interrupt */ +#define INTCHW_SINTC_SPUM_BITNUM 10 /* Secure process module interrupt */ +#define INTCHW_SINTC_RTC1_BITNUM 9 /* Real time clock one-shot interrupt */ +#define INTCHW_SINTC_RTC0_BITNUM 8 /* Real time clock periodic interrupt */ +#define INTCHW_SINTC_RNG_BITNUM 7 /* Random number generator interrupt */ +#define INTCHW_SINTC_FMPU_BITNUM 6 /* Flash memory parition unit interrupt */ +#define INTCHW_SINTC_VMPU_BITNUM 5 /* VRAM memory partition interrupt */ +#define INTCHW_SINTC_DMPU_BITNUM 4 /* DDR2 memory partition interrupt */ +#define INTCHW_SINTC_KEYC_BITNUM 3 /* Key pad controller interrupt */ +#define INTCHW_SINTC_TSC_BITNUM 2 /* Touch screen controller interrupt */ +#define INTCHW_SINTC_UART0_BITNUM 1 /* UART0 interrupt */ +#define INTCHW_SINTC_WDOG_BITNUM 0 /* Watchdog timer interrupt */ + +#define INTCHW_SINTC_TIMER3 (1<<INTCHW_SINTC_TIMER3_BITNUM) +#define INTCHW_SINTC_TIMER2 (1<<INTCHW_SINTC_TIMER2_BITNUM) +#define INTCHW_SINTC_TIMER1 (1<<INTCHW_SINTC_TIMER1_BITNUM) +#define INTCHW_SINTC_TIMER0 (1<<INTCHW_SINTC_TIMER0_BITNUM) +#define INTCHW_SINTC_SPUM (1<<INTCHW_SINTC_SPUM_BITNUM) +#define INTCHW_SINTC_RTC2 (1<<INTCHW_SINTC_RTC2_BITNUM) +#define INTCHW_SINTC_RTC1 (1<<INTCHW_SINTC_RTC1_BITNUM) +#define INTCHW_SINTC_RTC0 (1<<INTCHW_SINTC_RTC0_BITNUM) +#define INTCHW_SINTC_RNG (1<<INTCHW_SINTC_RNG_BITNUM) +#define INTCHW_SINTC_FMPU (1<<INTCHW_SINTC_FMPU_BITNUM) +#define INTCHW_SINTC_IMPU (1<<INTCHW_SINTC_IMPU_BITNUM) +#define INTCHW_SINTC_DMPU (1<<INTCHW_SINTC_DMPU_BITNUM) +#define INTCHW_SINTC_KEYC (1<<INTCHW_SINTC_KEYC_BITNUM) +#define INTCHW_SINTC_TSC (1<<INTCHW_SINTC_TSC_BITNUM) +#define INTCHW_SINTC_UART0 (1<<INTCHW_SINTC_UART0_BITNUM) +#define INTCHW_SINTC_WDOG (1<<INTCHW_SINTC_WDOG_BITNUM) + +/* PL192 Vectored Interrupt Controller (VIC) layout */ +#define INTCHW_IRQSTATUS 0x00 /* IRQ status register */ +#define INTCHW_FIQSTATUS 0x04 /* FIQ status register */ +#define INTCHW_RAWINTR 0x08 /* Raw Interrupt Status register */ +#define INTCHW_INTSELECT 0x0c /* Interrupt Select Register */ +#define INTCHW_INTENABLE 0x10 /* Interrupt Enable Register */ +#define INTCHW_INTENCLEAR 0x14 /* Interrupt Enable Clear Register */ +#define INTCHW_SOFTINT 0x18 /* Soft Interrupt Register */ +#define INTCHW_SOFTINTCLEAR 0x1c /* Soft Interrupt Clear Register */ +#define INTCHW_PROTECTION 0x20 /* Protection Enable Register */ +#define INTCHW_SWPRIOMASK 0x24 /* Software Priority Mask Register */ +#define INTCHW_PRIODAISY 0x28 /* Priority Daisy Chain Register */ +#define INTCHW_VECTADDR0 0x100 /* Vector Address Registers */ +#define INTCHW_VECTPRIO0 0x200 /* Vector Priority Registers 0-31 */ +#define INTCHW_ADDRESS 0xf00 /* Vector Address Register 0-31 */ +#define INTCHW_PID 0xfe0 /* Peripheral ID Register 0-3 */ +#define INTCHW_PCELLID 0xff0 /* PrimeCell ID Register 0-3 */ + +/* Example Usage: intcHw_irq_enable(INTCHW_INTC0, INTCHW_INTC0_TIMER0); */ +/* intcHw_irq_clear(INTCHW_INTC0, INTCHW_INTC0_TIMER0); */ +/* uint32_t bits = intcHw_irq_status(INTCHW_INTC0); */ +/* uint32_t bits = intcHw_irq_raw_status(INTCHW_INTC0); */ + +/* ---- Public Variable Externs ------------------------------------------ */ +/* ---- Public Function Prototypes --------------------------------------- */ +/* Clear one or more IRQ interrupts. */ +static inline void intcHw_irq_disable(void *basep, uint32_t mask) +{ + __REG32(basep + INTCHW_INTENCLEAR) = mask; +} + +/* Enables one or more IRQ interrupts. */ +static inline void intcHw_irq_enable(void *basep, uint32_t mask) +{ + __REG32(basep + INTCHW_INTENABLE) = mask; +} + +#endif /* _INTCHW_REG_H */ diff --git a/arch/arm/mach-bcmring/include/mach/irqs.h b/arch/arm/mach-bcmring/include/mach/irqs.h new file mode 100644 index 000000000000..b279b825d4a7 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/irqs.h @@ -0,0 +1,132 @@ +/* + * Copyright (C) 2007 Broadcom + * Copyright (C) 1999 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#if !defined(ARCH_BCMRING_IRQS_H) +#define ARCH_BCMRING_IRQS_H + +/* INTC0 - interrupt controller 0 */ +#define IRQ_INTC0_START 0 +#define IRQ_DMA0C0 0 /* DMA0 channel 0 interrupt */ +#define IRQ_DMA0C1 1 /* DMA0 channel 1 interrupt */ +#define IRQ_DMA0C2 2 /* DMA0 channel 2 interrupt */ +#define IRQ_DMA0C3 3 /* DMA0 channel 3 interrupt */ +#define IRQ_DMA0C4 4 /* DMA0 channel 4 interrupt */ +#define IRQ_DMA0C5 5 /* DMA0 channel 5 interrupt */ +#define IRQ_DMA0C6 6 /* DMA0 channel 6 interrupt */ +#define IRQ_DMA0C7 7 /* DMA0 channel 7 interrupt */ +#define IRQ_DMA1C0 8 /* DMA1 channel 0 interrupt */ +#define IRQ_DMA1C1 9 /* DMA1 channel 1 interrupt */ +#define IRQ_DMA1C2 10 /* DMA1 channel 2 interrupt */ +#define IRQ_DMA1C3 11 /* DMA1 channel 3 interrupt */ +#define IRQ_DMA1C4 12 /* DMA1 channel 4 interrupt */ +#define IRQ_DMA1C5 13 /* DMA1 channel 5 interrupt */ +#define IRQ_DMA1C6 14 /* DMA1 channel 6 interrupt */ +#define IRQ_DMA1C7 15 /* DMA1 channel 7 interrupt */ +#define IRQ_VPM 16 /* Voice process module interrupt */ +#define IRQ_USBHD2 17 /* USB host2/device2 interrupt */ +#define IRQ_USBH1 18 /* USB1 host interrupt */ +#define IRQ_USBD 19 /* USB device interrupt */ +#define IRQ_SDIOH0 20 /* SDIO0 host interrupt */ +#define IRQ_SDIOH1 21 /* SDIO1 host interrupt */ +#define IRQ_TIMER0 22 /* Timer0 interrupt */ +#define IRQ_TIMER1 23 /* Timer1 interrupt */ +#define IRQ_TIMER2 24 /* Timer2 interrupt */ +#define IRQ_TIMER3 25 /* Timer3 interrupt */ +#define IRQ_SPIH 26 /* SPI host interrupt */ +#define IRQ_ESW 27 /* Ethernet switch interrupt */ +#define IRQ_APM 28 /* Audio process module interrupt */ +#define IRQ_GE 29 /* Graphic engine interrupt */ +#define IRQ_CLCD 30 /* LCD Controller interrupt */ +#define IRQ_PIF 31 /* Peripheral interface interrupt */ +#define IRQ_INTC0_END 31 + +/* INTC1 - interrupt controller 1 */ +#define IRQ_INTC1_START 32 +#define IRQ_GPIO0 32 /* 0 GPIO bit 31//0 combined interrupt */ +#define IRQ_GPIO1 33 /* 1 GPIO bit 64//32 combined interrupt */ +#define IRQ_I2S0 34 /* 2 I2S0 interrupt */ +#define IRQ_I2S1 35 /* 3 I2S1 interrupt */ +#define IRQ_I2CH 36 /* 4 I2C host interrupt */ +#define IRQ_I2CS 37 /* 5 I2C slave interrupt */ +#define IRQ_SPIS 38 /* 6 SPI slave interrupt */ +#define IRQ_GPHY 39 /* 7 Gigabit Phy interrupt */ +#define IRQ_FLASHC 40 /* 8 Flash controller interrupt */ +#define IRQ_COMMTX 41 /* 9 ARM DDC transmit interrupt */ +#define IRQ_COMMRX 42 /* 10 ARM DDC receive interrupt */ +#define IRQ_PMUIRQ 43 /* 11 ARM performance monitor interrupt */ +#define IRQ_UARTB 44 /* 12 UARTB */ +#define IRQ_WATCHDOG 45 /* 13 Watchdog timer interrupt */ +#define IRQ_UARTA 46 /* 14 UARTA */ +#define IRQ_TSC 47 /* 15 Touch screen controller interrupt */ +#define IRQ_KEYC 48 /* 16 Key pad controller interrupt */ +#define IRQ_DMPU 49 /* 17 DDR2 memory partition interrupt */ +#define IRQ_VMPU 50 /* 18 VRAM memory partition interrupt */ +#define IRQ_FMPU 51 /* 19 Flash memory parition unit interrupt */ +#define IRQ_RNG 52 /* 20 Random number generator interrupt */ +#define IRQ_RTC0 53 /* 21 Real time clock periodic interrupt */ +#define IRQ_RTC1 54 /* 22 Real time clock one-shot interrupt */ +#define IRQ_SPUM 55 /* 23 Secure process module interrupt */ +#define IRQ_VDEC 56 /* 24 Hantro video decoder interrupt */ +#define IRQ_RTC2 57 /* 25 Real time clock tamper interrupt */ +#define IRQ_DDRP 58 /* 26 DDR Panic interrupt */ +#define IRQ_INTC1_END 58 + +/* SINTC secure int controller */ +#define IRQ_SINTC_START 59 +#define IRQ_SEC_WATCHDOG 59 /* 0 Watchdog timer interrupt */ +#define IRQ_SEC_UARTA 60 /* 1 UARTA interrupt */ +#define IRQ_SEC_TSC 61 /* 2 Touch screen controller interrupt */ +#define IRQ_SEC_KEYC 62 /* 3 Key pad controller interrupt */ +#define IRQ_SEC_DMPU 63 /* 4 DDR2 memory partition interrupt */ +#define IRQ_SEC_VMPU 64 /* 5 VRAM memory partition interrupt */ +#define IRQ_SEC_FMPU 65 /* 6 Flash memory parition unit interrupt */ +#define IRQ_SEC_RNG 66 /* 7 Random number generator interrupt */ +#define IRQ_SEC_RTC0 67 /* 8 Real time clock periodic interrupt */ +#define IRQ_SEC_RTC1 68 /* 9 Real time clock one-shot interrupt */ +#define IRQ_SEC_SPUM 69 /* 10 Secure process module interrupt */ +#define IRQ_SEC_TIMER0 70 /* 11 Secure timer0 interrupt */ +#define IRQ_SEC_TIMER1 71 /* 12 Secure timer1 interrupt */ +#define IRQ_SEC_TIMER2 72 /* 13 Secure timer2 interrupt */ +#define IRQ_SEC_TIMER3 73 /* 14 Secure timer3 interrupt */ +#define IRQ_SEC_RTC2 74 /* 15 Real time clock tamper interrupt */ + +#define IRQ_SINTC_END 74 + +/* Note: there are 3 INTC registers of 32 bits each. So internal IRQs could go from 0-95 */ +/* Since IRQs are typically viewed in decimal, we start the gpio based IRQs off at 100 */ +/* to make the mapping easy for humans to decipher. */ + +#define IRQ_GPIO_0 100 + +#define NUM_INTERNAL_IRQS (IRQ_SINTC_END+1) + +/* I couldn't get the gpioHw_reg.h file to be included cleanly, so I hardcoded it */ +/* define NUM_GPIO_IRQS GPIOHW_TOTAL_NUM_PINS */ +#define NUM_GPIO_IRQS 62 + +#define NR_IRQS (IRQ_GPIO_0 + NUM_GPIO_IRQS) + +#define IRQ_UNKNOWN -1 + +/* Tune these bits to preclude noisy or unsupported interrupt sources as required. */ +#define IRQ_INTC0_VALID_MASK 0xffffffff +#define IRQ_INTC1_VALID_MASK 0x07ffffff +#define IRQ_SINTC_VALID_MASK 0x0000ffff + +#endif /* ARCH_BCMRING_IRQS_H */ diff --git a/arch/arm/mach-bcmring/irq.c b/arch/arm/mach-bcmring/irq.c new file mode 100644 index 000000000000..dc1c4939b0ce --- /dev/null +++ b/arch/arm/mach-bcmring/irq.c @@ -0,0 +1,127 @@ +/* + * + * Copyright (C) 1999 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/init.h> +#include <linux/stddef.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/version.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <asm/irq.h> + +#include <asm/mach/irq.h> +#include <mach/csp/intcHw_reg.h> +#include <mach/csp/mm_io.h> + +static void bcmring_mask_irq0(unsigned int irq) +{ + writel(1 << (irq - IRQ_INTC0_START), + MM_IO_BASE_INTC0 + INTCHW_INTENCLEAR); +} + +static void bcmring_unmask_irq0(unsigned int irq) +{ + writel(1 << (irq - IRQ_INTC0_START), + MM_IO_BASE_INTC0 + INTCHW_INTENABLE); +} + +static void bcmring_mask_irq1(unsigned int irq) +{ + writel(1 << (irq - IRQ_INTC1_START), + MM_IO_BASE_INTC1 + INTCHW_INTENCLEAR); +} + +static void bcmring_unmask_irq1(unsigned int irq) +{ + writel(1 << (irq - IRQ_INTC1_START), + MM_IO_BASE_INTC1 + INTCHW_INTENABLE); +} + +static void bcmring_mask_irq2(unsigned int irq) +{ + writel(1 << (irq - IRQ_SINTC_START), + MM_IO_BASE_SINTC + INTCHW_INTENCLEAR); +} + +static void bcmring_unmask_irq2(unsigned int irq) +{ + writel(1 << (irq - IRQ_SINTC_START), + MM_IO_BASE_SINTC + INTCHW_INTENABLE); +} + +static struct irq_chip bcmring_irq0_chip = { + .typename = "ARM-INTC0", + .ack = bcmring_mask_irq0, + .mask = bcmring_mask_irq0, /* mask a specific interrupt, blocking its delivery. */ + .unmask = bcmring_unmask_irq0, /* unmaks an interrupt */ +}; + +static struct irq_chip bcmring_irq1_chip = { + .typename = "ARM-INTC1", + .ack = bcmring_mask_irq1, + .mask = bcmring_mask_irq1, + .unmask = bcmring_unmask_irq1, +}; + +static struct irq_chip bcmring_irq2_chip = { + .typename = "ARM-SINTC", + .ack = bcmring_mask_irq2, + .mask = bcmring_mask_irq2, + .unmask = bcmring_unmask_irq2, +}; + +static void vic_init(void __iomem *base, struct irq_chip *chip, + unsigned int irq_start, unsigned int vic_sources) +{ + unsigned int i; + for (i = 0; i < 32; i++) { + unsigned int irq = irq_start + i; + set_irq_chip(irq, chip); + set_irq_chip_data(irq, base); + + if (vic_sources & (1 << i)) { + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + } + } + writel(0, base + INTCHW_INTSELECT); + writel(0, base + INTCHW_INTENABLE); + writel(~0, base + INTCHW_INTENCLEAR); + writel(0, base + INTCHW_IRQSTATUS); + writel(~0, base + INTCHW_SOFTINTCLEAR); +} + +void __init bcmring_init_irq(void) +{ + vic_init((void __iomem *)MM_IO_BASE_INTC0, &bcmring_irq0_chip, + IRQ_INTC0_START, IRQ_INTC0_VALID_MASK); + vic_init((void __iomem *)MM_IO_BASE_INTC1, &bcmring_irq1_chip, + IRQ_INTC1_START, IRQ_INTC1_VALID_MASK); + vic_init((void __iomem *)MM_IO_BASE_SINTC, &bcmring_irq2_chip, + IRQ_SINTC_START, IRQ_SINTC_VALID_MASK); + + /* special cases */ + if (INTCHW_INTC1_GPIO0 & IRQ_INTC1_VALID_MASK) { + set_irq_handler(IRQ_GPIO0, handle_simple_irq); + } + if (INTCHW_INTC1_GPIO1 & IRQ_INTC1_VALID_MASK) { + set_irq_handler(IRQ_GPIO1, handle_simple_irq); + } +} |