1 files changed, 161 insertions, 0 deletions

diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h
new file mode 100644
index 000000000000..dc726ffccebd
--- /dev/null
+++ b/include/linux/amba/serial.h
@@ -0,0 +1,161 @@
+/*
+ *  linux/include/asm-arm/hardware/serial_amba.h
+ *
+ *  Internal header file for AMBA serial ports
+ *
+ *  Copyright (C) ARM Limited
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef ASM_ARM_HARDWARE_SERIAL_AMBA_H
+#define ASM_ARM_HARDWARE_SERIAL_AMBA_H
+
+/* -------------------------------------------------------------------------------
+ *  From AMBA UART (PL010) Block Specification
+ * -------------------------------------------------------------------------------
+ *  UART Register Offsets.
+ */
+#define UART01x_DR              0x00    /* Data read or written from the interface. */
+#define UART01x_RSR             0x04    /* Receive status register (Read). */
+#define UART01x_ECR             0x04    /* Error clear register (Write). */
+#define UART010_LCRH            0x08    /* Line control register, high byte. */
+#define UART010_LCRM            0x0C    /* Line control register, middle byte. */
+#define UART010_LCRL            0x10    /* Line control register, low byte. */
+#define UART010_CR              0x14    /* Control register. */
+#define UART01x_FR              0x18    /* Flag register (Read only). */
+#define UART010_IIR             0x1C    /* Interrupt indentification register (Read). */
+#define UART010_ICR             0x1C    /* Interrupt clear register (Write). */
+#define UART01x_ILPR            0x20    /* IrDA low power counter register. */
+#define UART011_IBRD            0x24    /* Integer baud rate divisor register. */
+#define UART011_FBRD            0x28    /* Fractional baud rate divisor register. */
+#define UART011_LCRH            0x2c    /* Line control register. */
+#define UART011_CR              0x30    /* Control register. */
+#define UART011_IFLS            0x34    /* Interrupt fifo level select. */
+#define UART011_IMSC            0x38    /* Interrupt mask. */
+#define UART011_RIS             0x3c    /* Raw interrupt status. */
+#define UART011_MIS             0x40    /* Masked interrupt status. */
+#define UART011_ICR             0x44    /* Interrupt clear register. */
+#define UART011_DMACR           0x48    /* DMA control register. */
+
+#define UART011_DR_OE           (1 << 11)
+#define UART011_DR_BE           (1 << 10)
+#define UART011_DR_PE           (1 << 9)
+#define UART011_DR_FE           (1 << 8)
+
+#define UART01x_RSR_OE          0x08
+#define UART01x_RSR_BE          0x04
+#define UART01x_RSR_PE          0x02
+#define UART01x_RSR_FE          0x01
+
+#define UART011_FR_RI           0x100
+#define UART011_FR_TXFE         0x080
+#define UART011_FR_RXFF         0x040
+#define UART01x_FR_TXFF         0x020
+#define UART01x_FR_RXFE         0x010
+#define UART01x_FR_BUSY         0x008
+#define UART01x_FR_DCD          0x004
+#define UART01x_FR_DSR          0x002
+#define UART01x_FR_CTS          0x001
+#define UART01x_FR_TMSK         (UART01x_FR_TXFF + UART01x_FR_BUSY)
+
+#define UART011_CR_CTSEN        0x8000  /* CTS hardware flow control */
+#define UART011_CR_RTSEN        0x4000  /* RTS hardware flow control */
+#define UART011_CR_OUT2         0x2000  /* OUT2 */
+#define UART011_CR_OUT1         0x1000  /* OUT1 */
+#define UART011_CR_RTS          0x0800  /* RTS */
+#define UART011_CR_DTR          0x0400  /* DTR */
+#define UART011_CR_RXE          0x0200  /* receive enable */
+#define UART011_CR_TXE          0x0100  /* transmit enable */
+#define UART011_CR_LBE          0x0080  /* loopback enable */
+#define UART010_CR_RTIE         0x0040
+#define UART010_CR_TIE          0x0020
+#define UART010_CR_RIE          0x0010
+#define UART010_CR_MSIE         0x0008
+#define UART01x_CR_IIRLP        0x0004  /* SIR low power mode */
+#define UART01x_CR_SIREN        0x0002  /* SIR enable */
+#define UART01x_CR_UARTEN       0x0001  /* UART enable */
+ 
+#define UART011_LCRH_SPS        0x80
+#define UART01x_LCRH_WLEN_8     0x60
+#define UART01x_LCRH_WLEN_7     0x40
+#define UART01x_LCRH_WLEN_6     0x20
+#define UART01x_LCRH_WLEN_5     0x00
+#define UART01x_LCRH_FEN        0x10
+#define UART01x_LCRH_STP2       0x08
+#define UART01x_LCRH_EPS        0x04
+#define UART01x_LCRH_PEN        0x02
+#define UART01x_LCRH_BRK        0x01
+
+#define UART010_IIR_RTIS        0x08
+#define UART010_IIR_TIS         0x04
+#define UART010_IIR_RIS         0x02
+#define UART010_IIR_MIS         0x01
+
+#define UART011_IFLS_RX1_8      (0 << 3)
+#define UART011_IFLS_RX2_8      (1 << 3)
+#define UART011_IFLS_RX4_8      (2 << 3)
+#define UART011_IFLS_RX6_8      (3 << 3)
+#define UART011_IFLS_RX7_8      (4 << 3)
+#define UART011_IFLS_TX1_8      (0 << 0)
+#define UART011_IFLS_TX2_8      (1 << 0)
+#define UART011_IFLS_TX4_8      (2 << 0)
+#define UART011_IFLS_TX6_8      (3 << 0)
+#define UART011_IFLS_TX7_8      (4 << 0)
+
+#define UART011_OEIM            (1 << 10)       /* overrun error interrupt mask */
+#define UART011_BEIM            (1 << 9)        /* break error interrupt mask */
+#define UART011_PEIM            (1 << 8)        /* parity error interrupt mask */
+#define UART011_FEIM            (1 << 7)        /* framing error interrupt mask */
+#define UART011_RTIM            (1 << 6)        /* receive timeout interrupt mask */
+#define UART011_TXIM            (1 << 5)        /* transmit interrupt mask */
+#define UART011_RXIM            (1 << 4)        /* receive interrupt mask */
+#define UART011_DSRMIM          (1 << 3)        /* DSR interrupt mask */
+#define UART011_DCDMIM          (1 << 2)        /* DCD interrupt mask */
+#define UART011_CTSMIM          (1 << 1)        /* CTS interrupt mask */
+#define UART011_RIMIM           (1 << 0)        /* RI interrupt mask */
+
+#define UART011_OEIS            (1 << 10)       /* overrun error interrupt status */
+#define UART011_BEIS            (1 << 9)        /* break error interrupt status */
+#define UART011_PEIS            (1 << 8)        /* parity error interrupt status */
+#define UART011_FEIS            (1 << 7)        /* framing error interrupt status */
+#define UART011_RTIS            (1 << 6)        /* receive timeout interrupt status */
+#define UART011_TXIS            (1 << 5)        /* transmit interrupt status */
+#define UART011_RXIS            (1 << 4)        /* receive interrupt status */
+#define UART011_DSRMIS          (1 << 3)        /* DSR interrupt status */
+#define UART011_DCDMIS          (1 << 2)        /* DCD interrupt status */
+#define UART011_CTSMIS          (1 << 1)        /* CTS interrupt status */
+#define UART011_RIMIS           (1 << 0)        /* RI interrupt status */
+
+#define UART011_OEIC            (1 << 10)       /* overrun error interrupt clear */
+#define UART011_BEIC            (1 << 9)        /* break error interrupt clear */
+#define UART011_PEIC            (1 << 8)        /* parity error interrupt clear */
+#define UART011_FEIC            (1 << 7)        /* framing error interrupt clear */
+#define UART011_RTIC            (1 << 6)        /* receive timeout interrupt clear */
+#define UART011_TXIC            (1 << 5)        /* transmit interrupt clear */
+#define UART011_RXIC            (1 << 4)        /* receive interrupt clear */
+#define UART011_DSRMIC          (1 << 3)        /* DSR interrupt clear */
+#define UART011_DCDMIC          (1 << 2)        /* DCD interrupt clear */
+#define UART011_CTSMIC          (1 << 1)        /* CTS interrupt clear */
+#define UART011_RIMIC           (1 << 0)        /* RI interrupt clear */
+
+#define UART011_DMAONERR        (1 << 2)        /* disable dma on error */
+#define UART011_TXDMAE          (1 << 1)        /* enable transmit dma */
+#define UART011_RXDMAE          (1 << 0)        /* enable receive dma */
+
+#define UART01x_RSR_ANY         (UART01x_RSR_OE|UART01x_RSR_BE|UART01x_RSR_PE|UART01x_RSR_FE)
+#define UART01x_FR_MODEM_ANY    (UART01x_FR_DCD|UART01x_FR_DSR|UART01x_FR_CTS)
+
+#endif