1cf46c42d7
1. remove __REG macro 2. add (void __iomem *) to io_p2v macro 3. add (phys_addr_t) to io_v2p macro 4. add PKUNITY_AHB_BASE and PKUNITY_APB_BASE definitions 5. modify all PKUNITY_mmio_BASEs from physical addr to virtual addr 6. adjust prefix macro for all usage of PKUNITY_mmio_BASEs -- by advice with Arnd Bergmann Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
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* PKUnity Inter-integrated Circuit (I2C) Registers
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*/
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/*
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* Control Reg I2C_CON.
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*/
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#define I2C_CON (PKUNITY_I2C_BASE + 0x0000)
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/*
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* Target Address Reg I2C_TAR.
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*/
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#define I2C_TAR (PKUNITY_I2C_BASE + 0x0004)
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/*
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* Data buffer and command Reg I2C_DATACMD.
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*/
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#define I2C_DATACMD (PKUNITY_I2C_BASE + 0x0010)
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/*
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* Enable Reg I2C_ENABLE.
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*/
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#define I2C_ENABLE (PKUNITY_I2C_BASE + 0x006C)
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/*
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* Status Reg I2C_STATUS.
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*/
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#define I2C_STATUS (PKUNITY_I2C_BASE + 0x0070)
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/*
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* Tx FIFO Length Reg I2C_TXFLR.
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*/
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#define I2C_TXFLR (PKUNITY_I2C_BASE + 0x0074)
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/*
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* Rx FIFO Length Reg I2C_RXFLR.
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*/
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#define I2C_RXFLR (PKUNITY_I2C_BASE + 0x0078)
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/*
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* Enable Status Reg I2C_ENSTATUS.
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*/
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#define I2C_ENSTATUS (PKUNITY_I2C_BASE + 0x009C)
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#define I2C_CON_MASTER FIELD(1, 1, 0)
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#define I2C_CON_SPEED_STD FIELD(1, 2, 1)
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#define I2C_CON_SPEED_FAST FIELD(2, 2, 1)
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#define I2C_CON_RESTART FIELD(1, 1, 5)
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#define I2C_CON_SLAVEDISABLE FIELD(1, 1, 6)
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#define I2C_DATACMD_READ FIELD(1, 1, 8)
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#define I2C_DATACMD_WRITE FIELD(0, 1, 8)
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#define I2C_DATACMD_DAT_MASK FMASK(8, 0)
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#define I2C_DATACMD_DAT(v) FIELD((v), 8, 0)
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#define I2C_ENABLE_ENABLE FIELD(1, 1, 0)
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#define I2C_ENABLE_DISABLE FIELD(0, 1, 0)
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#define I2C_STATUS_RFF FIELD(1, 1, 4)
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#define I2C_STATUS_RFNE FIELD(1, 1, 3)
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#define I2C_STATUS_TFE FIELD(1, 1, 2)
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#define I2C_STATUS_TFNF FIELD(1, 1, 1)
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#define I2C_STATUS_ACTIVITY FIELD(1, 1, 0)
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#define I2C_ENSTATUS_ENABLE FIELD(1, 1, 0)
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#define I2C_TAR_THERMAL 0x4f
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#define I2C_TAR_SPD 0x50
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#define I2C_TAR_PWIC 0x55
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#define I2C_TAR_EEPROM 0x57
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