- /*
- * linux/include/asm-arm/hardware/iomd.h
- *
- * Copyright (C) 1999 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This file contains information out the IOMD ASIC used in the
- * Acorn RiscPC and subsequently integrated into the CLPS7500 chips.
- */
- #ifndef __ASMARM_HARDWARE_IOMD_H
- #define __ASMARM_HARDWARE_IOMD_H
- #include <linux/config.h>
- #ifndef __ASSEMBLY__
- /*
- * We use __raw_base variants here so that we give the compiler the
- * chance to keep IOC_BASE in a register.
- */
- #define iomd_readb(off) __raw_readb(IOMD_BASE + (off))
- #define iomd_readl(off) __raw_readl(IOMD_BASE + (off))
- #define iomd_writeb(val,off) __raw_writeb(val, IOMD_BASE + (off))
- #define iomd_writel(val,off) __raw_writel(val, IOMD_BASE + (off))
- #endif
- #define IOMD_CONTROL (0x000)
- #define IOMD_KARTTX (0x004)
- #define IOMD_KARTRX (0x004)
- #define IOMD_KCTRL (0x008)
- #ifdef CONFIG_ARCH_CLPS7500
- #define IOMD_IOLINES (0x00C)
- #endif
- #define IOMD_IRQSTATA (0x010)
- #define IOMD_IRQREQA (0x014)
- #define IOMD_IRQCLRA (0x014)
- #define IOMD_IRQMASKA (0x018)
- #ifdef CONFIG_ARCH_CLPS7500
- #define IOMD_SUSMODE (0x01C)
- #endif
- #define IOMD_IRQSTATB (0x020)
- #define IOMD_IRQREQB (0x024)
- #define IOMD_IRQMASKB (0x028)
- #define IOMD_FIQSTAT (0x030)
- #define IOMD_FIQREQ (0x034)
- #define IOMD_FIQMASK (0x038)
- #ifdef CONFIG_ARCH_CLPS7500
- #define IOMD_CLKCTL (0x03C)
- #endif
- #define IOMD_T0CNTL (0x040)
- #define IOMD_T0LTCHL (0x040)
- #define IOMD_T0CNTH (0x044)
- #define IOMD_T0LTCHH (0x044)
- #define IOMD_T0GO (0x048)
- #define IOMD_T0LATCH (0x04c)
- #define IOMD_T1CNTL (0x050)
- #define IOMD_T1LTCHL (0x050)
- #define IOMD_T1CNTH (0x054)
- #define IOMD_T1LTCHH (0x054)
- #define IOMD_T1GO (0x058)
- #define IOMD_T1LATCH (0x05c)
- #ifdef CONFIG_ARCH_CLPS7500
- #define IOMD_IRQSTATC (0x060)
- #define IOMD_IRQREQC (0x064)
- #define IOMD_IRQMASKC (0x068)
- #define IOMD_VIDMUX (0x06c)
- #define IOMD_IRQSTATD (0x070)
- #define IOMD_IRQREQD (0x074)
- #define IOMD_IRQMASKD (0x078)
- #endif
- #define IOMD_ROMCR0 (0x080)
- #define IOMD_ROMCR1 (0x084)
- #ifdef CONFIG_ARCH_RPC
- #define IOMD_DRAMCR (0x088)
- #endif
- #define IOMD_REFCR (0x08C)
- #define IOMD_FSIZE (0x090)
- #define IOMD_ID0 (0x094)
- #define IOMD_ID1 (0x098)
- #define IOMD_VERSION (0x09C)
- #ifdef CONFIG_ARCH_RPC
- #define IOMD_MOUSEX (0x0A0)
- #define IOMD_MOUSEY (0x0A4)
- #endif
- #ifdef CONFIG_ARCH_CLPS7500
- #define IOMD_MSEDAT (0x0A8)
- #define IOMD_MSECTL (0x0Ac)
- #endif
- #ifdef CONFIG_ARCH_RPC
- #define IOMD_DMATCR (0x0C0)
- #endif
- #define IOMD_IOTCR (0x0C4)
- #define IOMD_ECTCR (0x0C8)
- #ifdef CONFIG_ARCH_RPC
- #define IOMD_DMAEXT (0x0CC)
- #endif
- #ifdef CONFIG_ARCH_CLPS7500
- #define IOMD_ASTCR (0x0CC)
- #define IOMD_DRAMCR (0x0D0)
- #define IOMD_SELFREF (0x0D4)
- #define IOMD_ATODICR (0x0E0)
- #define IOMD_ATODSR (0x0E4)
- #define IOMD_ATODCC (0x0E8)
- #define IOMD_ATODCNT1 (0x0EC)
- #define IOMD_ATODCNT2 (0x0F0)
- #define IOMD_ATODCNT3 (0x0F4)
- #define IOMD_ATODCNT4 (0x0F8)
- #endif
- #ifdef CONFIG_ARCH_RPC
- #define DMA_EXT_IO0 1
- #define DMA_EXT_IO1 2
- #define DMA_EXT_IO2 4
- #define DMA_EXT_IO3 8
- #define IOMD_IO0CURA (0x100)
- #define IOMD_IO0ENDA (0x104)
- #define IOMD_IO0CURB (0x108)
- #define IOMD_IO0ENDB (0x10C)
- #define IOMD_IO0CR (0x110)
- #define IOMD_IO0ST (0x114)
- #define IOMD_IO1CURA (0x120)
- #define IOMD_IO1ENDA (0x124)
- #define IOMD_IO1CURB (0x128)
- #define IOMD_IO1ENDB (0x12C)
- #define IOMD_IO1CR (0x130)
- #define IOMD_IO1ST (0x134)
- #define IOMD_IO2CURA (0x140)
- #define IOMD_IO2ENDA (0x144)
- #define IOMD_IO2CURB (0x148)
- #define IOMD_IO2ENDB (0x14C)
- #define IOMD_IO2CR (0x150)
- #define IOMD_IO2ST (0x154)
- #define IOMD_IO3CURA (0x160)
- #define IOMD_IO3ENDA (0x164)
- #define IOMD_IO3CURB (0x168)
- #define IOMD_IO3ENDB (0x16C)
- #define IOMD_IO3CR (0x170)
- #define IOMD_IO3ST (0x174)
- #endif
- #define IOMD_SD0CURA (0x180)
- #define IOMD_SD0ENDA (0x184)
- #define IOMD_SD0CURB (0x188)
- #define IOMD_SD0ENDB (0x18C)
- #define IOMD_SD0CR (0x190)
- #define IOMD_SD0ST (0x194)
- #ifdef CONFIG_ARCH_RPC
- #define IOMD_SD1CURA (0x1A0)
- #define IOMD_SD1ENDA (0x1A4)
- #define IOMD_SD1CURB (0x1A8)
- #define IOMD_SD1ENDB (0x1AC)
- #define IOMD_SD1CR (0x1B0)
- #define IOMD_SD1ST (0x1B4)
- #endif
- #define IOMD_CURSCUR (0x1C0)
- #define IOMD_CURSINIT (0x1C4)
- #define IOMD_VIDCUR (0x1D0)
- #define IOMD_VIDEND (0x1D4)
- #define IOMD_VIDSTART (0x1D8)
- #define IOMD_VIDINIT (0x1DC)
- #define IOMD_VIDCR (0x1E0)
- #define IOMD_DMASTAT (0x1F0)
- #define IOMD_DMAREQ (0x1F4)
- #define IOMD_DMAMASK (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
- /*
- * 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 __ASSEMBLY__
- 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