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/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * ip22.h: Definitions for SGI IP22 machines * * Copyright (C) 1996 David S. Miller * Copyright (C) 1997, 1998, 1999, 2000 Ralf Baechle */ #ifndef _SGI_IP22_H #define _SGI_IP22_H /* * These are the virtual IRQ numbers, we divide all IRQ's into * 'spaces', the 'space' determines where and how to enable/disable * that particular IRQ on an SGI machine. HPC DMA and MC DMA interrupts * are not supported this way. Driver is supposed to allocate HPC/MC * interrupt as shareable and then look to proper status bit (see * HAL2 driver). This will prevent many complications, trust me ;-) */ #include <irq.h> #include <asm/sgi/ioc.h> #define SGINT_EISA 0 /* 16 EISA irq levels (Indigo2) */ #define SGINT_CPU MIPS_CPU_IRQ_BASE /* MIPS CPU define 8 interrupt sources */ #define SGINT_LOCAL0 (SGINT_CPU+8) /* 8 local0 irq levels */ #define SGINT_LOCAL1 (SGINT_CPU+16) /* 8 local1 irq levels */ #define SGINT_LOCAL2 (SGINT_CPU+24) /* 8 local2 vectored irq levels */ #define SGINT_LOCAL3 (SGINT_CPU+32) /* 8 local3 vectored irq levels */ #define SGINT_END (SGINT_CPU+40) /* End of 'spaces' */ /* * Individual interrupt definitions for the Indy and Indigo2 */ #define SGI_SOFT_0_IRQ SGINT_CPU + 0 #define SGI_SOFT_1_IRQ SGINT_CPU + 1 #define SGI_LOCAL_0_IRQ SGINT_CPU + 2 #define SGI_LOCAL_1_IRQ SGINT_CPU + 3 #define SGI_8254_0_IRQ SGINT_CPU + 4 #define SGI_8254_1_IRQ SGINT_CPU + 5 #define SGI_BUSERR_IRQ SGINT_CPU + 6 #define SGI_TIMER_IRQ SGINT_CPU + 7 #define SGI_FIFO_IRQ SGINT_LOCAL0 + 0 /* FIFO full */ #define SGI_GIO_0_IRQ SGI_FIFO_IRQ /* GIO-0 */ #define SGI_WD93_0_IRQ SGINT_LOCAL0 + 1 /* 1st onboard WD93 */ #define SGI_WD93_1_IRQ SGINT_LOCAL0 + 2 /* 2nd onboard WD93 */ #define SGI_ENET_IRQ SGINT_LOCAL0 + 3 /* onboard ethernet */ #define SGI_MCDMA_IRQ SGINT_LOCAL0 + 4 /* MC DMA done */ #define SGI_PARPORT_IRQ SGINT_LOCAL0 + 5 /* Parallel port */ #define SGI_GIO_1_IRQ SGINT_LOCAL0 + 6 /* GE / GIO-1 / 2nd-HPC */ #define SGI_MAP_0_IRQ SGINT_LOCAL0 + 7 /* Mappable interrupt 0 */ #define SGI_GPL0_IRQ SGINT_LOCAL1 + 0 /* General Purpose LOCAL1_N<0> */ #define SGI_PANEL_IRQ SGINT_LOCAL1 + 1 /* front panel */ #define SGI_GPL2_IRQ SGINT_LOCAL1 + 2 /* General Purpose LOCAL1_N<2> */ #define SGI_MAP_1_IRQ SGINT_LOCAL1 + 3 /* Mappable interrupt 1 */ #define SGI_HPCDMA_IRQ SGINT_LOCAL1 + 4 /* HPC DMA done */ #define SGI_ACFAIL_IRQ SGINT_LOCAL1 + 5 /* AC fail */ #define SGI_VINO_IRQ SGINT_LOCAL1 + 6 /* Indy VINO */ #define SGI_GIO_2_IRQ SGINT_LOCAL1 + 7 /* Vert retrace / GIO-2 */ /* Mapped interrupts. These interrupts may be mapped to either 0, or 1 */ #define SGI_VERT_IRQ SGINT_LOCAL2 + 0 /* INT3: newport vertical status */ #define SGI_EISA_IRQ SGINT_LOCAL2 + 3 /* EISA interrupts */ #define SGI_KEYBD_IRQ SGINT_LOCAL2 + 4 /* keyboard */ #define SGI_SERIAL_IRQ SGINT_LOCAL2 + 5 /* onboard serial */ #define SGI_GIOEXP0_IRQ (SGINT_LOCAL2 + 6) /* Indy GIO EXP0 */ #define SGI_GIOEXP1_IRQ (SGINT_LOCAL2 + 7) /* Indy GIO EXP1 */ #define ip22_is_fullhouse() (sgioc->sysid & SGIOC_SYSID_FULLHOUSE) extern unsigned short ip22_eeprom_read(unsigned int *ctrl, int reg); extern unsigned short ip22_nvram_read(int reg); #endif
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