diff options
Diffstat (limited to 'sys/arm/samsung/exynos/exynos_uart.h')
| -rw-r--r-- | sys/arm/samsung/exynos/exynos_uart.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/sys/arm/samsung/exynos/exynos_uart.h b/sys/arm/samsung/exynos/exynos_uart.h new file mode 100644 index 000000000000..06afeff1f14b --- /dev/null +++ b/sys/arm/samsung/exynos/exynos_uart.h @@ -0,0 +1,126 @@ +/* $NetBSD: s3c2xx0reg.h,v 1.4 2004/02/12 03:47:29 bsh Exp $ */ + +/*- + * Copyright (c) 2002, 2003 Fujitsu Component Limited + * Copyright (c) 2002, 2003 Genetec Corporation + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of The Fujitsu Component Limited nor the name of + * Genetec corporation may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC + * CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC + * CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* s3c2410-specific registers */ +#define UMCON_AFC (1 << 4) /* auto flow control */ +#define UMSTAT_DCTS (1 << 2) /* CTS change */ +#define ULCON_IR (1 << 6) +#define ULCON_PARITY_SHIFT 3 + +/* + * Exynos-specific + * + * UFSTAT_TXFULL register differs between Exynos and others. + * Others have UFSTAT_TXFULL (1 << 9) + */ +#define UFSTAT_TXFULL (1 << 24) + +#define SSCOM_UINTM 0x038 +#define SSCOM_UINTP 0x030 + +/* common for s3c2800 and s3c24x0 */ +#define SSCOM_ULCON 0x00 /* UART line control */ +#define ULCON_PARITY_NONE (0 << ULCON_PARITY_SHIFT) +#define ULCON_PARITY_ODD (4 << ULCON_PARITY_SHIFT) +#define ULCON_PARITY_EVEN (5 << ULCON_PARITY_SHIFT) +#define ULCON_PARITY_ONE (6 << ULCON_PARITY_SHIFT) +#define ULCON_PARITY_ZERO (7 << ULCON_PARITY_SHIFT) +#define ULCON_STOP (1 << 2) +#define ULCON_LENGTH_5 0 +#define ULCON_LENGTH_6 1 +#define ULCON_LENGTH_7 2 +#define ULCON_LENGTH_8 3 +#define SSCOM_UCON 0x04 /* UART control */ +#define UCON_TXINT_TYPE (1 << 9) /* Tx interrupt. 0=pulse,1=level */ +#define UCON_TXINT_TYPE_LEVEL UCON_TXINT_TYPE +#define UCON_TXINT_TYPE_PULSE 0 +#define UCON_RXINT_TYPE (1 << 8) /* Rx interrupt */ +#define UCON_RXINT_TYPE_LEVEL UCON_RXINT_TYPE +#define UCON_RXINT_TYPE_PULSE 0 +#define UCON_TOINT (1 << 7) /* Rx timeout interrupt */ +#define UCON_ERRINT (1 << 6) /* receive error interrupt */ +#define UCON_LOOP (1 << 5) /* loopback */ +#define UCON_SBREAK (1 << 4) /* send break */ +#define UCON_TXMODE_DISABLE (0 << 2) +#define UCON_TXMODE_INT (1 << 2) +#define UCON_TXMODE_DMA (2 << 2) +#define UCON_TXMODE_MASK (3 << 2) +#define UCON_RXMODE_DISABLE (0 << 0) +#define UCON_RXMODE_INT (1 << 0) +#define UCON_RXMODE_DMA (2 << 0) +#define UCON_RXMODE_MASK (3 << 0) +#define SSCOM_UFCON 0x08 /* FIFO control */ +#define UFCON_TXTRIGGER_0 (0 << 6) +#define UFCON_TXTRIGGER_4 (1 << 6) +#define UFCON_TXTRIGGER_8 (2 << 6) +#define UFCON_TXTRIGGER_16 (3 << 6) +#define UFCON_RXTRIGGER_4 (0 << 4) +#define UFCON_RXTRIGGER_8 (1 << 4) +#define UFCON_RXTRIGGER_12 (2 << 4) +#define UFCON_RXTRIGGER_16 (3 << 4) +#define UFCON_TXFIFO_RESET (1 << 2) +#define UFCON_RXFIFO_RESET (1 << 1) +#define UFCON_FIFO_ENABLE (1 << 0) +#define SSCOM_UMCON 0x0c /* MODEM control */ +#define UMCON_RTS (1 << 0) /* Request to send */ +#define SSCOM_UTRSTAT 0x10 /* Status register */ +#define UTRSTAT_TXSHIFTER_EMPTY ( 1<< 2) +#define UTRSTAT_TXEMPTY (1 << 1) /* TX fifo or buffer empty */ +#define UTRSTAT_RXREADY (1 << 0) /* RX fifo or buffer is not empty */ +#define SSCOM_UERSTAT 0x14 /* Error status register */ +#define UERSTAT_BREAK (1 << 3) /* Break signal, not 2410 */ +#define UERSTAT_FRAME (1 << 2) /* Frame error */ +#define UERSTAT_PARITY (1 << 1) /* Parity error, not 2410 */ +#define UERSTAT_OVERRUN (1 << 0) /* Overrun */ +#define UERSTAT_ALL_ERRORS \ + (UERSTAT_OVERRUN|UERSTAT_BREAK|UERSTAT_FRAME|UERSTAT_PARITY) +#define SSCOM_UFSTAT 0x18 /* Fifo status register */ +#define UFSTAT_RXFULL (1 <<8) /* Rx fifo full */ +#define UFSTAT_TXCOUNT_SHIFT 4 /* TX FIFO count */ +#define UFSTAT_TXCOUNT (0x0f << UFSTAT_TXCOUNT_SHIFT) +#define UFSTAT_RXCOUNT_SHIFT 0 /* RX FIFO count */ +#define UFSTAT_RXCOUNT (0x0f << UFSTAT_RXCOUNT_SHIFT) +#define SSCOM_UMSTAT 0x1c /* Modem status register */ +#define UMSTAT_CTS (1 << 0) /* Clear to send */ +#if _BYTE_ORDER == _LITTLE_ENDIAN +#define SSCOM_UTXH 0x20 /* Transmit data register */ +#define SSCOM_URXH 0x24 /* Receive data register */ +#else +#define SSCOM_UTXH 0x23 /* Transmit data register */ +#define SSCOM_URXH 0x27 /* Receive data register */ +#endif +#define SSCOM_UBRDIV 0x28 /* baud-reate divisor */ +#define SSCOM_SIZE 0x2c |