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/*
*
* BRIEF MODULE DESCRIPTION
* ITE 8172 Interrupt Numbering
*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
*
* 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* 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.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _MIPS_ITEINT_H
#define _MIPS_ITEINT_H
/*
* Here's the "strategy":
* We number the LPC serial irqs from 0 to 15,
* the local bus irqs from 16 to 31,
* the pci dev register interrupts from 32 to 47,
* and the non-maskable ints from 48 to 53.
*/
#define IT8172_LPC_IRQ_BASE 0 /* first LPC int number */
#define IT8172_SERIRQ_0 (IT8172_LPC_IRQ_BASE + 0)
#define IT8172_SERIRQ_1 (IT8172_LPC_IRQ_BASE + 1)
#define IT8172_SERIRQ_2 (IT8172_LPC_IRQ_BASE + 2)
#define IT8172_SERIRQ_3 (IT8172_LPC_IRQ_BASE + 3)
#define IT8172_SERIRQ_4 (IT8172_LPC_IRQ_BASE + 4)
#define IT8172_SERIRQ_5 (IT8172_LPC_IRQ_BASE + 5)
#define IT8172_SERIRQ_6 (IT8172_LPC_IRQ_BASE + 6)
#define IT8172_SERIRQ_7 (IT8172_LPC_IRQ_BASE + 7)
#define IT8172_SERIRQ_8 (IT8172_LPC_IRQ_BASE + 8)
#define IT8172_SERIRQ_9 (IT8172_LPC_IRQ_BASE + 9)
#define IT8172_SERIRQ_10 (IT8172_LPC_IRQ_BASE + 10)
#define IT8172_SERIRQ_11 (IT8172_LPC_IRQ_BASE + 11)
#define IT8172_SERIRQ_12 (IT8172_LPC_IRQ_BASE + 12)
#define IT8172_SERIRQ_13 (IT8172_LPC_IRQ_BASE + 13)
#define IT8172_SERIRQ_14 (IT8172_LPC_IRQ_BASE + 14)
#define IT8172_SERIRQ_15 (IT8172_LPC_IRQ_BASE + 15)
#define IT8172_LB_IRQ_BASE 16 /* first local bus int number */
#define IT8172_PPR_IRQ (IT8172_LB_IRQ_BASE + 0) /* parallel port */
#define IT8172_TIMER0_IRQ (IT8172_LB_IRQ_BASE + 1)
#define IT8172_TIMER1_IRQ (IT8172_LB_IRQ_BASE + 2)
#define IT8172_I2C_IRQ (IT8172_LB_IRQ_BASE + 3)
#define IT8172_GPIO_IRQ (IT8172_LB_IRQ_BASE + 4)
#define IT8172_CIR0_IRQ (IT8172_LB_IRQ_BASE + 5)
#define IT8172_CIR1_IRQ (IT8172_LB_IRQ_BASE + 6)
#define IT8172_UART_IRQ (IT8172_LB_IRQ_BASE + 7)
#define IT8172_SCR0_IRQ (IT8172_LB_IRQ_BASE + 8)
#define IT8172_SCR1_IRQ (IT8172_LB_IRQ_BASE + 9)
#define IT8172_RTC_IRQ (IT8172_LB_IRQ_BASE + 10)
#define IT8172_IOCHK_IRQ (IT8172_LB_IRQ_BASE + 11)
/* 12 - 15 reserved */
/*
* Note here that the pci dev registers includes bits for more than
* just the pci devices.
*/
#define IT8172_PCI_DEV_IRQ_BASE 32 /* first pci dev irq */
#define IT8172_AC97_IRQ (IT8172_PCI_DEV_IRQ_BASE + 0)
#define IT8172_MC68K_IRQ (IT8172_PCI_DEV_IRQ_BASE + 1)
#define IT8172_IDE_IRQ (IT8172_PCI_DEV_IRQ_BASE + 2)
#define IT8172_USB_IRQ (IT8172_PCI_DEV_IRQ_BASE + 3)
#define IT8172_BRIDGE_MASTER_IRQ (IT8172_PCI_DEV_IRQ_BASE + 4)
#define IT8172_BRIDGE_TARGET_IRQ (IT8172_PCI_DEV_IRQ_BASE + 5)
#define IT8172_PCI_INTA_IRQ (IT8172_PCI_DEV_IRQ_BASE + 6)
#define IT8172_PCI_INTB_IRQ (IT8172_PCI_DEV_IRQ_BASE + 7)
#define IT8172_PCI_INTC_IRQ (IT8172_PCI_DEV_IRQ_BASE + 8)
#define IT8172_PCI_INTD_IRQ (IT8172_PCI_DEV_IRQ_BASE + 9)
#define IT8172_S_INTA_IRQ (IT8172_PCI_DEV_IRQ_BASE + 10)
#define IT8172_S_INTB_IRQ (IT8172_PCI_DEV_IRQ_BASE + 11)
#define IT8172_S_INTC_IRQ (IT8172_PCI_DEV_IRQ_BASE + 12)
#define IT8172_S_INTD_IRQ (IT8172_PCI_DEV_IRQ_BASE + 13)
#define IT8172_CDMA_IRQ (IT8172_PCI_DEV_IRQ_BASE + 14)
#define IT8172_DMA_IRQ (IT8172_PCI_DEV_IRQ_BASE + 15)
#define IT8172_NMI_IRQ_BASE 48
#define IT8172_SER_NMI_IRQ (IT8172_NMI_IRQ_BASE + 0)
#define IT8172_PCI_NMI_IRQ (IT8172_NMI_IRQ_BASE + 1)
#define IT8172_RTC_NMI_IRQ (IT8172_NMI_IRQ_BASE + 2)
#define IT8172_CPUIF_NMI_IRQ (IT8172_NMI_IRQ_BASE + 3)
#define IT8172_PMER_NMI_IRQ (IT8172_NMI_IRQ_BASE + 4)
#define IT8172_POWER_NMI_IRQ (IT8172_NMI_IRQ_BASE + 5)
/* Finally, let's move over here the mips cpu timer interrupt.
* This is more or less strictly for statistics.
*/
#define MIPS_CPU_TIMER_IRQ (IT8172_NMI_IRQ_BASE + 6)
#define IT8172_INT_END MIPS_CPU_TIMER_IRQ
/*
* IT8172 Interrupt Controller Registers
*/
struct it8172_intc_regs {
volatile unsigned short lb_req; /* offset 0 */
volatile unsigned short lb_mask;
volatile unsigned short lb_trigger;
volatile unsigned short lb_level;
unsigned char pad0[8];
volatile unsigned short lpc_req; /* offset 0x10 */
volatile unsigned short lpc_mask;
volatile unsigned short lpc_trigger;
volatile unsigned short lpc_level;
unsigned char pad1[8];
volatile unsigned short pci_req; /* offset 0x20 */
volatile unsigned short pci_mask;
volatile unsigned short pci_trigger;
volatile unsigned short pci_level;
unsigned char pad2[8];
volatile unsigned short nmi_req; /* offset 0x30 */
volatile unsigned short nmi_mask;
volatile unsigned short nmi_trigger;
volatile unsigned short nmi_level;
unsigned char pad3[6];
volatile unsigned short nmi_redir; /* offset 0x3E */
unsigned char pad4[0xBE];
volatile unsigned short intstatus; /* offset 0xFE */
};
#endif /* _MIPS_ITEINT_H */
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