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[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [include/] [asm-armnommu/] [hardware.h] - Rev 1765
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/* * linux/include/asm-arm/hardware.h * * Copyright (C) 1996 Russell King * * Common hardware definitions */ #ifndef __ASM_HARDWARE_H #define __ASM_HARDWARE_H #include <asm/arch/hardware.h> /* * Use these macros to read/write the IOC. All it does is perform the actual * read/write. */ #ifdef HAS_IOC #ifndef __ASSEMBLER__ #define __IOC(offset) (IO_IOC_BASE + (offset >> 2)) #else #define __IOC(offset) offset #endif #define IOC_CONTROL __IOC(0x00) #define IOC_KARTTX __IOC(0x04) #define IOC_KARTRX __IOC(0x04) #define IOC_IRQSTATA __IOC(0x10) #define IOC_IRQREQA __IOC(0x14) #define IOC_IRQCLRA __IOC(0x14) #define IOC_IRQMASKA __IOC(0x18) #define IOC_IRQSTATB __IOC(0x20) #define IOC_IRQREQB __IOC(0x24) #define IOC_IRQMASKB __IOC(0x28) #define IOC_FIQSTAT __IOC(0x30) #define IOC_FIQREQ __IOC(0x34) #define IOC_FIQMASK __IOC(0x38) #define IOC_T0CNTL __IOC(0x40) #define IOC_T0LTCHL __IOC(0x40) #define IOC_T0CNTH __IOC(0x44) #define IOC_T0LTCHH __IOC(0x44) #define IOC_T0GO __IOC(0x48) #define IOC_T0LATCH __IOC(0x4c) #define IOC_T1CNTL __IOC(0x50) #define IOC_T1LTCHL __IOC(0x50) #define IOC_T1CNTH __IOC(0x54) #define IOC_T1LTCHH __IOC(0x54) #define IOC_T1GO __IOC(0x58) #define IOC_T1LATCH __IOC(0x5c) #define IOC_T2CNTL __IOC(0x60) #define IOC_T2LTCHL __IOC(0x60) #define IOC_T2CNTH __IOC(0x64) #define IOC_T2LTCHH __IOC(0x64) #define IOC_T2GO __IOC(0x68) #define IOC_T2LATCH __IOC(0x6c) #define IOC_T3CNTL __IOC(0x70) #define IOC_T3LTCHL __IOC(0x70) #define IOC_T3CNTH __IOC(0x74) #define IOC_T3LTCHH __IOC(0x74) #define IOC_T3GO __IOC(0x78) #define IOC_T3LATCH __IOC(0x7c) #endif #ifdef HAS_MEMC #define VDMA_ALIGNMENT PAGE_SIZE #define VDMA_XFERSIZE 16 #define VDMA_INIT 0 #define VDMA_START 1 #define VDMA_END 2 #define video_set_dma(start,end,offset) \ do { \ memc_write (VDMA_START, (start >> 2)); \ memc_write (VDMA_END, (end - VDMA_XFERSIZE) >> 2); \ memc_write (VDMA_INIT, (offset >> 2)); \ } while (0) #endif #ifdef HAS_IOMD #ifndef __ASSEMBLER__ #define __IOMD(offset) (IO_IOMD_BASE + (offset >> 2)) #else #define __IOMD(offset) offset #endif #define IOMD_CONTROL __IOMD(0x000) #define IOMD_KARTTX __IOMD(0x004) #define IOMD_KARTRX __IOMD(0x004) #define IOMD_KCTRL __IOMD(0x008) #define IOMD_IRQSTATA __IOMD(0x010) #define IOMD_IRQREQA __IOMD(0x014) #define IOMD_IRQCLRA __IOMD(0x014) #define IOMD_IRQMASKA __IOMD(0x018) #define IOMD_IRQSTATB __IOMD(0x020) #define IOMD_IRQREQB __IOMD(0x024) #define IOMD_IRQMASKB __IOMD(0x028) #define IOMD_FIQSTAT __IOMD(0x030) #define IOMD_FIQREQ __IOMD(0x034) #define IOMD_FIQMASK __IOMD(0x038) #define IOMD_T0CNTL __IOMD(0x040) #define IOMD_T0LTCHL __IOMD(0x040) #define IOMD_T0CNTH __IOMD(0x044) #define IOMD_T0LTCHH __IOMD(0x044) #define IOMD_T0GO __IOMD(0x048) #define IOMD_T0LATCH __IOMD(0x04c) #define IOMD_T1CNTL __IOMD(0x050) #define IOMD_T1LTCHL __IOMD(0x050) #define IOMD_T1CNTH __IOMD(0x054) #define IOMD_T1LTCHH __IOMD(0x054) #define IOMD_T1GO __IOMD(0x058) #define IOMD_T1LATCH __IOMD(0x05c) #define IOMD_ROMCR0 __IOMD(0x080) #define IOMD_ROMCR1 __IOMD(0x084) #define IOMD_DRAMCR __IOMD(0x088) #define IOMD_VREFCR __IOMD(0x08C) #define IOMD_FSIZE __IOMD(0x090) #define IOMD_ID0 __IOMD(0x094) #define IOMD_ID1 __IOMD(0x098) #define IOMD_VERSION __IOMD(0x09C) #define IOMD_MOUSEX __IOMD(0x0A0) #define IOMD_MOUSEY __IOMD(0x0A4) #define IOMD_DMATCR __IOMD(0x0C0) #define IOMD_IOTCR __IOMD(0x0C4) #define IOMD_ECTCR __IOMD(0x0C8) #define IOMD_DMAEXT __IOMD(0x0CC) #define DMA_EXT_IO0 1 #define DMA_EXT_IO1 2 #define DMA_EXT_IO2 4 #define DMA_EXT_IO3 8 #define IOMD_IO0CURA __IOMD(0x100) #define IOMD_IO0ENDA __IOMD(0x104) #define IOMD_IO0CURB __IOMD(0x108) #define IOMD_IO0ENDB __IOMD(0x10C) #define IOMD_IO0CR __IOMD(0x110) #define IOMD_IO0ST __IOMD(0x114) #define IOMD_IO1CURA __IOMD(0x120) #define IOMD_IO1ENDA __IOMD(0x124) #define IOMD_IO1CURB __IOMD(0x128) #define IOMD_IO1ENDB __IOMD(0x12C) #define IOMD_IO1CR __IOMD(0x130) #define IOMD_IO1ST __IOMD(0x134) #define IOMD_IO2CURA __IOMD(0x140) #define IOMD_IO2ENDA __IOMD(0x144) #define IOMD_IO2CURB __IOMD(0x148) #define IOMD_IO2ENDB __IOMD(0x14C) #define IOMD_IO2CR __IOMD(0x150) #define IOMD_IO2ST __IOMD(0x154) #define IOMD_IO3CURA __IOMD(0x160) #define IOMD_IO3ENDA __IOMD(0x164) #define IOMD_IO3CURB __IOMD(0x168) #define IOMD_IO3ENDB __IOMD(0x16C) #define IOMD_IO3CR __IOMD(0x170) #define IOMD_IO3ST __IOMD(0x174) #define IOMD_SD0CURA __IOMD(0x180) #define IOMD_SD0ENDA __IOMD(0x184) #define IOMD_SD0CURB __IOMD(0x188) #define IOMD_SD0ENDB __IOMD(0x18C) #define IOMD_SD0CR __IOMD(0x190) #define IOMD_SD0ST __IOMD(0x194) #define IOMD_SD1CURA __IOMD(0x1A0) #define IOMD_SD1ENDA __IOMD(0x1A4) #define IOMD_SD1CURB __IOMD(0x1A8) #define IOMD_SD1ENDB __IOMD(0x1AC) #define IOMD_SD1CR __IOMD(0x1B0) #define IOMD_SD1ST __IOMD(0x1B4) #define IOMD_CURSCUR __IOMD(0x1C0) #define IOMD_CURSINIT __IOMD(0x1C4) #define IOMD_VIDCUR __IOMD(0x1D0) #define IOMD_VIDEND __IOMD(0x1D4) #define IOMD_VIDSTART __IOMD(0x1D8) #define IOMD_VIDINIT __IOMD(0x1DC) #define IOMD_VIDCR __IOMD(0x1E0) #define IOMD_DMASTAT __IOMD(0x1F0) #define IOMD_DMAREQ __IOMD(0x1F4) #define IOMD_DMAMASK __IOMD(0x1F8) #define DMA_END_S (1 << 31) #define DMA_END_L (1 << 30) #define DMA_CR_C 0x80 #define DMA_CR_D 0x40 #define DMA_CR_E 0x20 #define DMA_ST_OFL 4 #define DMA_ST_INT 2 #define DMA_ST_AB 1 /* * IOC compatibility */ #define IOC_CONTROL IOMD_CONTROL #define IOC_IRQSTATA IOMD_IRQSTATA #define IOC_IRQREQA IOMD_IRQREQA #define IOC_IRQCLRA IOMD_IRQCLRA #define IOC_IRQMASKA IOMD_IRQMASKA #define IOC_IRQSTATB IOMD_IRQSTATB #define IOC_IRQREQB IOMD_IRQREQB #define IOC_IRQMASKB IOMD_IRQMASKB #define IOC_FIQSTAT IOMD_FIQSTAT #define IOC_FIQREQ IOMD_FIQREQ #define IOC_FIQMASK IOMD_FIQMASK #define IOC_T0CNTL IOMD_T0CNTL #define IOC_T0LTCHL IOMD_T0LTCHL #define IOC_T0CNTH IOMD_T0CNTH #define IOC_T0LTCHH IOMD_T0LTCHH #define IOC_T0GO IOMD_T0GO #define IOC_T0LATCH IOMD_T0LATCH #define IOC_T1CNTL IOMD_T1CNTL #define IOC_T1LTCHL IOMD_T1LTCHL #define IOC_T1CNTH IOMD_T1CNTH #define IOC_T1LTCHH IOMD_T1LTCHH #define IOC_T1GO IOMD_T1GO #define IOC_T1LATCH IOMD_T1LATCH /* * DMA (MEMC) compatibility */ #define HALF_SAM vram_half_sam #define VDMA_ALIGNMENT (HALF_SAM * 2) #define VDMA_XFERSIZE (HALF_SAM) #define VDMA_INIT IOMD_VIDINIT #define VDMA_START IOMD_VIDSTART #define VDMA_END IOMD_VIDEND #ifndef __ASSEMBLER__ extern unsigned int vram_half_sam; #define video_set_dma(start,end,offset) \ do { \ outl (SCREEN_START + start, VDMA_START); \ outl (SCREEN_START + end - VDMA_XFERSIZE, VDMA_END); \ if (offset >= end - VDMA_XFERSIZE) \ offset |= 0x40000000; \ outl (SCREEN_START + offset, VDMA_INIT); \ } while (0) #endif #endif #ifdef HAS_EXPMASK #ifndef __ASSEMBLER__ #define __EXPMASK(offset) (((volatile unsigned char *)EXPMASK_BASE)[offset]) #else #define __EXPMASK(offset) offset #endif #define EXPMASK_STATUS __EXPMASK(0x00) #define EXPMASK_ENABLE __EXPMASK(0x04) #endif #endif