diff options
Diffstat (limited to 'include/asm-mips/mach-rc32434/dma.h')
| -rw-r--r-- | include/asm-mips/mach-rc32434/dma.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/include/asm-mips/mach-rc32434/dma.h b/include/asm-mips/mach-rc32434/dma.h deleted file mode 100644 index 5f898b5873f7..000000000000 --- a/include/asm-mips/mach-rc32434/dma.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Copyright 2002 Integrated Device Technology, Inc. - * All rights reserved. - * - * DMA register definition. - * - * Author : ryan.holmQVist@idt.com - * Date : 20011005 - */ - -#ifndef __ASM_RC32434_DMA_H -#define __ASM_RC32434_DMA_H - -#include <asm/mach-rc32434/rb.h> - -#define DMA0_BASE_ADDR 0x18040000 - -/* - * DMA descriptor (in physical memory). - */ - -struct dma_desc { - u32 control; /* Control. use DMAD_* */ - u32 ca; /* Current Address. */ - u32 devcs; /* Device control and status. */ - u32 link; /* Next descriptor in chain. */ -}; - -#define DMA_DESC_SIZ sizeof(struct dma_desc) -#define DMA_DESC_COUNT_BIT 0 -#define DMA_DESC_COUNT_MSK 0x0003ffff -#define DMA_DESC_DS_BIT 20 -#define DMA_DESC_DS_MSK 0x00300000 - -#define DMA_DESC_DEV_CMD_BIT 22 -#define DMA_DESC_DEV_CMD_MSK 0x01c00000 - -/* DMA command sizes */ -#define DMA_DESC_DEV_CMD_BYTE 0 -#define DMA_DESC_DEV_CMD_HLF_WD 1 -#define DMA_DESC_DEV_CMD_WORD 2 -#define DMA_DESC_DEV_CMD_2WORDS 3 -#define DMA_DESC_DEV_CMD_4WORDS 4 -#define DMA_DESC_DEV_CMD_6WORDS 5 -#define DMA_DESC_DEV_CMD_8WORDS 6 -#define DMA_DESC_DEV_CMD_16WORDS 7 - -/* DMA descriptors interrupts */ -#define DMA_DESC_COF (1 << 25) /* Chain on finished */ -#define DMA_DESC_COD (1 << 26) /* Chain on done */ -#define DMA_DESC_IOF (1 << 27) /* Interrupt on finished */ -#define DMA_DESC_IOD (1 << 28) /* Interrupt on done */ -#define DMA_DESC_TERM (1 << 29) /* Terminated */ -#define DMA_DESC_DONE (1 << 30) /* Done */ -#define DMA_DESC_FINI (1 << 31) /* Finished */ - -/* - * DMA register (within Internal Register Map). - */ - -struct dma_reg { - u32 dmac; /* Control. */ - u32 dmas; /* Status. */ - u32 dmasm; /* Mask. */ - u32 dmadptr; /* Descriptor pointer. */ - u32 dmandptr; /* Next descriptor pointer. */ -}; - -/* DMA channels specific registers */ -#define DMA_CHAN_RUN_BIT (1 << 0) -#define DMA_CHAN_DONE_BIT (1 << 1) -#define DMA_CHAN_MODE_BIT (1 << 2) -#define DMA_CHAN_MODE_MSK 0x0000000c -#define DMA_CHAN_MODE_AUTO 0 -#define DMA_CHAN_MODE_BURST 1 -#define DMA_CHAN_MODE_XFRT 2 -#define DMA_CHAN_MODE_RSVD 3 -#define DMA_CHAN_ACT_BIT (1 << 4) - -/* DMA status registers */ -#define DMA_STAT_FINI (1 << 0) -#define DMA_STAT_DONE (1 << 1) -#define DMA_STAT_CHAIN (1 << 2) -#define DMA_STAT_ERR (1 << 3) -#define DMA_STAT_HALT (1 << 4) - -/* - * DMA channel definitions - */ - -#define DMA_CHAN_ETH_RCV 0 -#define DMA_CHAN_ETH_XMT 1 -#define DMA_CHAN_MEM_TO_FIFO 2 -#define DMA_CHAN_FIFO_TO_MEM 3 -#define DMA_CHAN_PCI_TO_MEM 4 -#define DMA_CHAN_MEM_TO_PCI 5 -#define DMA_CHAN_COUNT 6 - -struct dma_channel { - struct dma_reg ch[DMA_CHAN_COUNT]; -}; - -#endif /* __ASM_RC32434_DMA_H */ |