82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
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/*
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* PKUnity Direct Memory Access Controller (DMAC)
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*/
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/*
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* Interrupt Status Reg DMAC_ISR.
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*/
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#define DMAC_ISR __REG(PKUNITY_DMAC_BASE + 0x0020)
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/*
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* Interrupt Transfer Complete Status Reg DMAC_ITCSR.
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*/
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#define DMAC_ITCSR __REG(PKUNITY_DMAC_BASE + 0x0050)
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/*
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* Interrupt Transfer Complete Clear Reg DMAC_ITCCR.
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*/
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#define DMAC_ITCCR __REG(PKUNITY_DMAC_BASE + 0x0060)
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/*
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* Interrupt Error Status Reg DMAC_IESR.
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*/
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#define DMAC_IESR __REG(PKUNITY_DMAC_BASE + 0x0080)
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/*
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* Interrupt Error Clear Reg DMAC_IECR.
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*/
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#define DMAC_IECR __REG(PKUNITY_DMAC_BASE + 0x0090)
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/*
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* Enable Channels Reg DMAC_ENCH.
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*/
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#define DMAC_ENCH __REG(PKUNITY_DMAC_BASE + 0x00B0)
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/*
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* DMA control reg. Space [byte]
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*/
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#define DMASp 0x00000100
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/*
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* Source Addr DMAC_SRCADDR(ch).
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*/
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#define DMAC_SRCADDR(ch) __REG(PKUNITY_DMAC_BASE + (ch)*DMASp + 0x00)
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/*
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* Destination Addr DMAC_DESTADDR(ch).
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*/
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#define DMAC_DESTADDR(ch) __REG(PKUNITY_DMAC_BASE + (ch)*DMASp + 0x04)
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/*
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* Control Reg DMAC_CONTROL(ch).
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*/
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#define DMAC_CONTROL(ch) __REG(PKUNITY_DMAC_BASE + (ch)*DMASp + 0x0C)
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/*
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* Configuration Reg DMAC_CONFIG(ch).
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*/
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#define DMAC_CONFIG(ch) __REG(PKUNITY_DMAC_BASE + (ch)*DMASp + 0x10)
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#define DMAC_IR_MASK FMASK(6, 0)
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/*
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* select channel (ch)
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*/
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#define DMAC_CHANNEL(ch) FIELD(1, 1, (ch))
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#define DMAC_CONTROL_SIZE_BYTE(v) (FIELD((v), 12, 14) | \
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FIELD(0, 3, 9) | FIELD(0, 3, 6))
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#define DMAC_CONTROL_SIZE_HWORD(v) (FIELD((v) >> 1, 12, 14) | \
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FIELD(1, 3, 9) | FIELD(1, 3, 6))
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#define DMAC_CONTROL_SIZE_WORD(v) (FIELD((v) >> 2, 12, 14) | \
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FIELD(2, 3, 9) | FIELD(2, 3, 6))
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#define DMAC_CONTROL_DI FIELD(1, 1, 13)
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#define DMAC_CONTROL_SI FIELD(1, 1, 12)
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#define DMAC_CONTROL_BURST_1BYTE (FIELD(0, 3, 3) | FIELD(0, 3, 0))
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#define DMAC_CONTROL_BURST_4BYTE (FIELD(3, 3, 3) | FIELD(3, 3, 0))
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#define DMAC_CONTROL_BURST_8BYTE (FIELD(5, 3, 3) | FIELD(5, 3, 0))
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#define DMAC_CONTROL_BURST_16BYTE (FIELD(7, 3, 3) | FIELD(7, 3, 0))
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#define DMAC_CONFIG_UART0_WR (FIELD(2, 4, 11) | FIELD(1, 2, 1))
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#define DMAC_CONFIG_UART0_RD (FIELD(2, 4, 7) | FIELD(2, 2, 1))
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#define DMAC_CONFIG_UART1_WR (FIELD(3, 4, 11) | FIELD(1, 2, 1))
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#define DMAC_CONFIG_UART1RD (FIELD(3, 4, 7) | FIELD(2, 2, 1))
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#define DMAC_CONFIG_AC97WR (FIELD(4, 4, 11) | FIELD(1, 2, 1))
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#define DMAC_CONFIG_AC97RD (FIELD(4, 4, 7) | FIELD(2, 2, 1))
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#define DMAC_CONFIG_MMCWR (FIELD(7, 4, 11) | FIELD(1, 2, 1))
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#define DMAC_CONFIG_MMCRD (FIELD(7, 4, 7) | FIELD(2, 2, 1))
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#define DMAC_CONFIG_MASKITC FIELD(1, 1, 4)
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#define DMAC_CONFIG_MASKIE FIELD(1, 1, 3)
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#define DMAC_CONFIG_EN FIELD(1, 1, 0)
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