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 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2002 Integrated Device Technology, Inc. | ||
| 3 | * All rights reserved. | ||
| 4 | * | ||
| 5 | * DMA register definition. | ||
| 6 | * | ||
| 7 | * Author : ryan.holmQVist@idt.com | ||
| 8 | * Date : 20011005 | ||
| 9 | */ | ||
| 10 | |||
| 11 | #ifndef __ASM_RC32434_DMA_H | ||
| 12 | #define __ASM_RC32434_DMA_H | ||
| 13 | |||
| 14 | #include <asm/mach-rc32434/rb.h> | ||
| 15 | |||
| 16 | #define DMA0_BASE_ADDR 0x18040000 | ||
| 17 | |||
| 18 | /* | ||
| 19 | * DMA descriptor (in physical memory). | ||
| 20 | */ | ||
| 21 | |||
| 22 | struct dma_desc { | ||
| 23 | u32 control; /* Control. use DMAD_* */ | ||
| 24 | u32 ca; /* Current Address. */ | ||
| 25 | u32 devcs; /* Device control and status. */ | ||
| 26 | u32 link; /* Next descriptor in chain. */ | ||
| 27 | }; | ||
| 28 | |||
| 29 | #define DMA_DESC_SIZ sizeof(struct dma_desc) | ||
| 30 | #define DMA_DESC_COUNT_BIT 0 | ||
| 31 | #define DMA_DESC_COUNT_MSK 0x0003ffff | ||
| 32 | #define DMA_DESC_DS_BIT 20 | ||
| 33 | #define DMA_DESC_DS_MSK 0x00300000 | ||
| 34 | |||
| 35 | #define DMA_DESC_DEV_CMD_BIT 22 | ||
| 36 | #define DMA_DESC_DEV_CMD_MSK 0x01c00000 | ||
| 37 | |||
| 38 | /* DMA command sizes */ | ||
| 39 | #define DMA_DESC_DEV_CMD_BYTE 0 | ||
| 40 | #define DMA_DESC_DEV_CMD_HLF_WD 1 | ||
| 41 | #define DMA_DESC_DEV_CMD_WORD 2 | ||
| 42 | #define DMA_DESC_DEV_CMD_2WORDS 3 | ||
| 43 | #define DMA_DESC_DEV_CMD_4WORDS 4 | ||
| 44 | #define DMA_DESC_DEV_CMD_6WORDS 5 | ||
| 45 | #define DMA_DESC_DEV_CMD_8WORDS 6 | ||
| 46 | #define DMA_DESC_DEV_CMD_16WORDS 7 | ||
| 47 | |||
| 48 | /* DMA descriptors interrupts */ | ||
| 49 | #define DMA_DESC_COF (1 << 25) /* Chain on finished */ | ||
| 50 | #define DMA_DESC_COD (1 << 26) /* Chain on done */ | ||
| 51 | #define DMA_DESC_IOF (1 << 27) /* Interrupt on finished */ | ||
| 52 | #define DMA_DESC_IOD (1 << 28) /* Interrupt on done */ | ||
| 53 | #define DMA_DESC_TERM (1 << 29) /* Terminated */ | ||
| 54 | #define DMA_DESC_DONE (1 << 30) /* Done */ | ||
| 55 | #define DMA_DESC_FINI (1 << 31) /* Finished */ | ||
| 56 | |||
| 57 | /* | ||
| 58 | * DMA register (within Internal Register Map). | ||
| 59 | */ | ||
| 60 | |||
| 61 | struct dma_reg { | ||
| 62 | u32 dmac; /* Control. */ | ||
| 63 | u32 dmas; /* Status. */ | ||
| 64 | u32 dmasm; /* Mask. */ | ||
| 65 | u32 dmadptr; /* Descriptor pointer. */ | ||
| 66 | u32 dmandptr; /* Next descriptor pointer. */ | ||
| 67 | }; | ||
| 68 | |||
| 69 | /* DMA channels specific registers */ | ||
| 70 | #define DMA_CHAN_RUN_BIT (1 << 0) | ||
| 71 | #define DMA_CHAN_DONE_BIT (1 << 1) | ||
| 72 | #define DMA_CHAN_MODE_BIT (1 << 2) | ||
| 73 | #define DMA_CHAN_MODE_MSK 0x0000000c | ||
| 74 | #define DMA_CHAN_MODE_AUTO 0 | ||
| 75 | #define DMA_CHAN_MODE_BURST 1 | ||
| 76 | #define DMA_CHAN_MODE_XFRT 2 | ||
| 77 | #define DMA_CHAN_MODE_RSVD 3 | ||
| 78 | #define DMA_CHAN_ACT_BIT (1 << 4) | ||
| 79 | |||
| 80 | /* DMA status registers */ | ||
| 81 | #define DMA_STAT_FINI (1 << 0) | ||
| 82 | #define DMA_STAT_DONE (1 << 1) | ||
| 83 | #define DMA_STAT_CHAIN (1 << 2) | ||
| 84 | #define DMA_STAT_ERR (1 << 3) | ||
| 85 | #define DMA_STAT_HALT (1 << 4) | ||
| 86 | |||
| 87 | /* | ||
| 88 | * DMA channel definitions | ||
| 89 | */ | ||
| 90 | |||
| 91 | #define DMA_CHAN_ETH_RCV 0 | ||
| 92 | #define DMA_CHAN_ETH_XMT 1 | ||
| 93 | #define DMA_CHAN_MEM_TO_FIFO 2 | ||
| 94 | #define DMA_CHAN_FIFO_TO_MEM 3 | ||
| 95 | #define DMA_CHAN_PCI_TO_MEM 4 | ||
| 96 | #define DMA_CHAN_MEM_TO_PCI 5 | ||
| 97 | #define DMA_CHAN_COUNT 6 | ||
| 98 | |||
| 99 | struct dma_channel { | ||
| 100 | struct dma_reg ch[DMA_CHAN_COUNT]; | ||
| 101 | }; | ||
| 102 | |||
| 103 | #endif /* __ASM_RC32434_DMA_H */ | ||