linux/arch/arm/mach-pxa/include/mach/regs-uart.h
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   1#ifndef __ASM_ARCH_REGS_UART_H
   2#define __ASM_ARCH_REGS_UART_H
   3
   4/*
   5 * UARTs
   6 */
   7
   8/* Full Function UART (FFUART) */
   9#define FFUART          FFRBR
  10#define FFRBR           __REG(0x40100000)  /* Receive Buffer Register (read only) */
  11#define FFTHR           __REG(0x40100000)  /* Transmit Holding Register (write only) */
  12#define FFIER           __REG(0x40100004)  /* Interrupt Enable Register (read/write) */
  13#define FFIIR           __REG(0x40100008)  /* Interrupt ID Register (read only) */
  14#define FFFCR           __REG(0x40100008)  /* FIFO Control Register (write only) */
  15#define FFLCR           __REG(0x4010000C)  /* Line Control Register (read/write) */
  16#define FFMCR           __REG(0x40100010)  /* Modem Control Register (read/write) */
  17#define FFLSR           __REG(0x40100014)  /* Line Status Register (read only) */
  18#define FFMSR           __REG(0x40100018)  /* Modem Status Register (read only) */
  19#define FFSPR           __REG(0x4010001C)  /* Scratch Pad Register (read/write) */
  20#define FFISR           __REG(0x40100020)  /* Infrared Selection Register (read/write) */
  21#define FFDLL           __REG(0x40100000)  /* Divisor Latch Low Register (DLAB = 1) (read/write) */
  22#define FFDLH           __REG(0x40100004)  /* Divisor Latch High Register (DLAB = 1) (read/write) */
  23
  24/* Bluetooth UART (BTUART) */
  25#define BTUART          BTRBR
  26#define BTRBR           __REG(0x40200000)  /* Receive Buffer Register (read only) */
  27#define BTTHR           __REG(0x40200000)  /* Transmit Holding Register (write only) */
  28#define BTIER           __REG(0x40200004)  /* Interrupt Enable Register (read/write) */
  29#define BTIIR           __REG(0x40200008)  /* Interrupt ID Register (read only) */
  30#define BTFCR           __REG(0x40200008)  /* FIFO Control Register (write only) */
  31#define BTLCR           __REG(0x4020000C)  /* Line Control Register (read/write) */
  32#define BTMCR           __REG(0x40200010)  /* Modem Control Register (read/write) */
  33#define BTLSR           __REG(0x40200014)  /* Line Status Register (read only) */
  34#define BTMSR           __REG(0x40200018)  /* Modem Status Register (read only) */
  35#define BTSPR           __REG(0x4020001C)  /* Scratch Pad Register (read/write) */
  36#define BTISR           __REG(0x40200020)  /* Infrared Selection Register (read/write) */
  37#define BTDLL           __REG(0x40200000)  /* Divisor Latch Low Register (DLAB = 1) (read/write) */
  38#define BTDLH           __REG(0x40200004)  /* Divisor Latch High Register (DLAB = 1) (read/write) */
  39
  40/* Standard UART (STUART) */
  41#define STUART          STRBR
  42#define STRBR           __REG(0x40700000)  /* Receive Buffer Register (read only) */
  43#define STTHR           __REG(0x40700000)  /* Transmit Holding Register (write only) */
  44#define STIER           __REG(0x40700004)  /* Interrupt Enable Register (read/write) */
  45#define STIIR           __REG(0x40700008)  /* Interrupt ID Register (read only) */
  46#define STFCR           __REG(0x40700008)  /* FIFO Control Register (write only) */
  47#define STLCR           __REG(0x4070000C)  /* Line Control Register (read/write) */
  48#define STMCR           __REG(0x40700010)  /* Modem Control Register (read/write) */
  49#define STLSR           __REG(0x40700014)  /* Line Status Register (read only) */
  50#define STMSR           __REG(0x40700018)  /* Reserved */
  51#define STSPR           __REG(0x4070001C)  /* Scratch Pad Register (read/write) */
  52#define STISR           __REG(0x40700020)  /* Infrared Selection Register (read/write) */
  53#define STDLL           __REG(0x40700000)  /* Divisor Latch Low Register (DLAB = 1) (read/write) */
  54#define STDLH           __REG(0x40700004)  /* Divisor Latch High Register (DLAB = 1) (read/write) */
  55
  56/* Hardware UART (HWUART) */
  57#define HWUART          HWRBR
  58#define HWRBR           __REG(0x41600000)  /* Receive Buffer Register (read only) */
  59#define HWTHR           __REG(0x41600000)  /* Transmit Holding Register (write only) */
  60#define HWIER           __REG(0x41600004)  /* Interrupt Enable Register (read/write) */
  61#define HWIIR           __REG(0x41600008)  /* Interrupt ID Register (read only) */
  62#define HWFCR           __REG(0x41600008)  /* FIFO Control Register (write only) */
  63#define HWLCR           __REG(0x4160000C)  /* Line Control Register (read/write) */
  64#define HWMCR           __REG(0x41600010)  /* Modem Control Register (read/write) */
  65#define HWLSR           __REG(0x41600014)  /* Line Status Register (read only) */
  66#define HWMSR           __REG(0x41600018)  /* Modem Status Register (read only) */
  67#define HWSPR           __REG(0x4160001C)  /* Scratch Pad Register (read/write) */
  68#define HWISR           __REG(0x41600020)  /* Infrared Selection Register (read/write) */
  69#define HWFOR           __REG(0x41600024)  /* Receive FIFO Occupancy Register (read only) */
  70#define HWABR           __REG(0x41600028)  /* Auto-Baud Control Register (read/write) */
  71#define HWACR           __REG(0x4160002C)  /* Auto-Baud Count Register (read only) */
  72#define HWDLL           __REG(0x41600000)  /* Divisor Latch Low Register (DLAB = 1) (read/write) */
  73#define HWDLH           __REG(0x41600004)  /* Divisor Latch High Register (DLAB = 1) (read/write) */
  74
  75#define IER_DMAE        (1 << 7)        /* DMA Requests Enable */
  76#define IER_UUE         (1 << 6)        /* UART Unit Enable */
  77#define IER_NRZE        (1 << 5)        /* NRZ coding Enable */
  78#define IER_RTIOE       (1 << 4)        /* Receiver Time Out Interrupt Enable */
  79#define IER_MIE         (1 << 3)        /* Modem Interrupt Enable */
  80#define IER_RLSE        (1 << 2)        /* Receiver Line Status Interrupt Enable */
  81#define IER_TIE         (1 << 1)        /* Transmit Data request Interrupt Enable */
  82#define IER_RAVIE       (1 << 0)        /* Receiver Data Available Interrupt Enable */
  83
  84#define IIR_FIFOES1     (1 << 7)        /* FIFO Mode Enable Status */
  85#define IIR_FIFOES0     (1 << 6)        /* FIFO Mode Enable Status */
  86#define IIR_TOD         (1 << 3)        /* Time Out Detected */
  87#define IIR_IID2        (1 << 2)        /* Interrupt Source Encoded */
  88#define IIR_IID1        (1 << 1)        /* Interrupt Source Encoded */
  89#define IIR_IP          (1 << 0)        /* Interrupt Pending (active low) */
  90
  91#define FCR_ITL2        (1 << 7)        /* Interrupt Trigger Level */
  92#define FCR_ITL1        (1 << 6)        /* Interrupt Trigger Level */
  93#define FCR_RESETTF     (1 << 2)        /* Reset Transmitter FIFO */
  94#define FCR_RESETRF     (1 << 1)        /* Reset Receiver FIFO */
  95#define FCR_TRFIFOE     (1 << 0)        /* Transmit and Receive FIFO Enable */
  96#define FCR_ITL_1       (0)
  97#define FCR_ITL_8       (FCR_ITL1)
  98#define FCR_ITL_16      (FCR_ITL2)
  99#define FCR_ITL_32      (FCR_ITL2|FCR_ITL1)
 100
 101#define LCR_DLAB        (1 << 7)        /* Divisor Latch Access Bit */
 102#define LCR_SB          (1 << 6)        /* Set Break */
 103#define LCR_STKYP       (1 << 5)        /* Sticky Parity */
 104#define LCR_EPS         (1 << 4)        /* Even Parity Select */
 105#define LCR_PEN         (1 << 3)        /* Parity Enable */
 106#define LCR_STB         (1 << 2)        /* Stop Bit */
 107#define LCR_WLS1        (1 << 1)        /* Word Length Select */
 108#define LCR_WLS0        (1 << 0)        /* Word Length Select */
 109
 110#define LSR_FIFOE       (1 << 7)        /* FIFO Error Status */
 111#define LSR_TEMT        (1 << 6)        /* Transmitter Empty */
 112#define LSR_TDRQ        (1 << 5)        /* Transmit Data Request */
 113#define LSR_BI          (1 << 4)        /* Break Interrupt */
 114#define LSR_FE          (1 << 3)        /* Framing Error */
 115#define LSR_PE          (1 << 2)        /* Parity Error */
 116#define LSR_OE          (1 << 1)        /* Overrun Error */
 117#define LSR_DR          (1 << 0)        /* Data Ready */
 118
 119#define MCR_LOOP        (1 << 4)
 120#define MCR_OUT2        (1 << 3)        /* force MSR_DCD in loopback mode */
 121#define MCR_OUT1        (1 << 2)        /* force MSR_RI in loopback mode */
 122#define MCR_RTS         (1 << 1)        /* Request to Send */
 123#define MCR_DTR         (1 << 0)        /* Data Terminal Ready */
 124
 125#define MSR_DCD         (1 << 7)        /* Data Carrier Detect */
 126#define MSR_RI          (1 << 6)        /* Ring Indicator */
 127#define MSR_DSR         (1 << 5)        /* Data Set Ready */
 128#define MSR_CTS         (1 << 4)        /* Clear To Send */
 129#define MSR_DDCD        (1 << 3)        /* Delta Data Carrier Detect */
 130#define MSR_TERI        (1 << 2)        /* Trailing Edge Ring Indicator */
 131#define MSR_DDSR        (1 << 1)        /* Delta Data Set Ready */
 132#define MSR_DCTS        (1 << 0)        /* Delta Clear To Send */
 133
 134/*
 135 * IrSR (Infrared Selection Register)
 136 */
 137#define STISR_RXPL      (1 << 4)        /* Receive Data Polarity */
 138#define STISR_TXPL      (1 << 3)        /* Transmit Data Polarity */
 139#define STISR_XMODE     (1 << 2)        /* Transmit Pulse Width Select */
 140#define STISR_RCVEIR    (1 << 1)        /* Receiver SIR Enable */
 141#define STISR_XMITIR    (1 << 0)        /* Transmitter SIR Enable */
 142
 143#endif /* __ASM_ARCH_REGS_UART_H */
 144