/*
* $Id: uart.h,v 1.12 2005/09/29 08:51:07 telka Exp $
*
* XScale PXA26x/PXA255/PXA250/PXA210 UART (FFUART/BTUART/STUART/HWUART) Declarations
* Copyright (C) 2002, 2003 ETC s.r.o.
* 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 ETC s.r.o. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER OR CONTRIBUTORS 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.
*
* Written by Marcel Telka <marcel@telka.sk>, 2002, 2003.
*
* Documentation:
* [1] Intel Corporation, "Intel PXA250 and PXA210 Application Processors
* Developer's Manual", February 2002, Order Number: 278522-001
* [2] Intel Corporation, "Intel PXA26x Processor Family Developer's Manual",
* March 2003, Order Number: 278638-002
* [3] Intel Corporation, "Intel PXA255 Processor Developer's Manual"
* March 2003, Order Number: 278693-001
*
*/
#ifndef PXA2X0_UART_H
#define PXA2X0_UART_H
#include <openwince.h>
#if LANGUAGE == C
#include <stdint.h>
#endif
#if defined(PXA2X0_NOPXA250) && !defined(PXA2X0_NOPXA255)
#define PXA2X0_NOPXA255
#endif
#if defined(PXA2X0_NOPXA255) && !defined(PXA2X0_NOPXA260)
#define PXA2X0_NOPXA260
#endif
/* Common UART (FFUART/BTUART/STUART/HWUART) Declarations */
#define FFUART_BASE 0x40100000
#define BTUART_BASE 0x40200000
#define STUART_BASE 0x40700000
#if !defined(PXA2X0_NOPXA255)
#define HWUART_BASE 0x41600000
#endif /* PXA255 and above only */
#if LANGUAGE == C
typedef volatile struct UART_registers {
union {
uint32_t rbr;
uint32_t thr;
uint32_t dll;
};
union {
uint32_t ier;
uint32_t dlh;
};
union {
uint32_t iir;
uint32_t fcr;
};
uint32_t lcr;
uint32_t mcr;
uint32_t lsr;
uint32_t msr; /* only for FFUART, BTUART, HWUART */
uint32_t spr;
uint32_t isr;
#if !defined(PXA2X0_NOPXA255)
uint32_t hwfor; /* only for HWUART */
uint32_t hwabr; /* only for HWUART */
uint32_t hwacr; /* only for HWUART */
#endif /* PXA255 and above only */
} UART_registers_t;
#ifdef PXA2X0_UNMAPPED
#define FFUART_pointer ((UART_registers_t*) FFUART_BASE)
#define BTUART_pointer ((UART_registers_t*) BTUART_BASE)
#define STUART_pointer ((UART_registers_t*) STUART_BASE)
#if !defined(PXA2X0_NOPXA255)
#define HWUART_pointer ((UART_registers_t*) HWUART_BASE)
#endif /* PXA255 and above only */
#endif
#define RBR UART_pointer->rbr
#define THR UART_pointer->thr
#define IER UART_pointer->ier
#define IIR UART_pointer->iir
#define FCR UART_pointer->fcr
#define LCR UART_pointer->lcr
#define MCR UART_pointer->mcr
#define LSR UART_pointer->lsr
#define MSR UART_pointer->msr
#define SPR UART_pointer->spr
#define ISR UART_pointer->isr
#define DLL UART_pointer->dll
#define DLH UART_pointer->dlh
/* FFUART */
#define FFRBR FFUART_pointer->rbr
#define FFTHR FFUART_pointer->thr
#define FFIER FFUART_pointer->ier
#define FFIIR FFUART_pointer->iir
#define FFFCR FFUART_pointer->fcr
#define FFLCR FFUART_pointer->lcr
#define FFMCR FFUART_pointer->mcr
#define FFLSR FFUART_pointer->lsr
#define FFMSR FFUART_pointer->msr
#define FFSPR FFUART_pointer->spr
#define FFISR FFUART_pointer->isr
#define FFDLL FFUART_pointer->dll
#define FFDLH FFUART_pointer->dlh
/* BTUART */
#define BTRBR BTUART_pointer->rbr
#define BTTHR BTUART_pointer->thr
#define BTIER BTUART_pointer->ier
#define BTIIR BTUART_pointer->iir
#define BTFCR BTUART_pointer->fcr
#define BTLCR BTUART_pointer->lcr
#define BTMCR BTUART_pointer->mcr
#define BTLSR BTUART_pointer->lsr
#define BTMSR BTUART_pointer->msr
#define BTSPR BTUART_pointer->spr
#define BTISR BTUART_pointer->isr
#define BTDLL BTUART_pointer->dll
#define BTDLH BTUART_pointer->dlh
/* STUART */
#define STRBR STUART_pointer->rbr
#define STTHR STUART_pointer->thr
#define STIER STUART_pointer->ier
#define STIIR STUART_pointer->iir
#define STFCR STUART_pointer->fcr
#define STLCR STUART_pointer->lcr
#define STMCR STUART_pointer->mcr
#define STLSR STUART_pointer->lsr
#define STSPR STUART_pointer->spr
#define STISR STUART_pointer->isr
#define STDLL STUART_pointer->dll
#define STDLH STUART_pointer->dlh
#if !defined(PXA2X0_NOPXA255)
/* HWUART */
#define HWRBR HWUART_pointer->rbr
#define HWTHR HWUART_pointer->thr
#define HWIER HWUART_pointer->ier
#define HWIIR HWUART_pointer->iir
#define HWFCR HWUART_pointer->fcr
#define HWLCR HWUART_pointer->lcr
#define HWMCR HWUART_pointer->mcr
#define HWLSR HWUART_pointer->lsr
#define HWMSR HWUART_pointer->msr
#define HWSPR HWUART_pointer->spr
#define HWISR HWUART_pointer->isr
#define HWFOR HWUART_pointer->hwfor
#define HWABR HWUART_pointer->hwabr
#define HWACR HWUART_pointer->hwacr
#define HWDLL HWUART_pointer->dll
#define HWDLH HWUART_pointer->dlh
#endif /* PXA255 and above only */
#endif /* LANGUAGE == C */
#define RBR_OFFSET 0x00
#define THR_OFFSET 0x00
#define IER_OFFSET 0x04
#define IIR_OFFSET 0x08
#define FCR_OFFSET 0x08
#define LCR_OFFSET 0x0C
#define MCR_OFFSET 0x10
#define LSR_OFFSET 0x14
#define MSR_OFFSET 0x18
#define SPR_OFFSET 0x1C
#define ISR_OFFSET 0x20
#if !defined(PXA2X0_NOPXA255)
#define HWFOR_OFFSET 0x24 /* only for HWUART */
#define HWABR_OFFSET 0x28 /* only for HWUART */
#define HWACR_OFFSET 0x2C /* only for HWUART */
#endif /* PXA255 and above only */
#define DLL_OFFSET 0x00
#define DLH_OFFSET 0x04
/* IER bits - see Table 10-7 in [1], Table 10-7 in [2], Table 17-6 in [2], Table 10-7 in [3], Table 17-6 in [3] */
#define IER_DMAE bit(7)
#define IER_UUE bit(6)
#define IER_NRZE bit(5)
#define IER_RTOIE bit(4)
#define IER_MIE bit(3)
#define IER_RLSE bit(2)
#define IER_TIE bit(1)
#define IER_RAVIE bit(0)
/* IIR bits - see Table 10-9 in [1], Table 10-9 in [2], Table 17-8 in [2], Table 10-9 in [3], Table 17-8 in [3] */
#define IIR_FIFOES_MASK bits(7,6)
#define IIR_FIFOES(x) bits_val(7,6,x)
#define get_IIR_FIFOES(x) bits_get(7,6,x)
#if !defined(PXA2X0_NOPXA255)
#define IIR_ABL bit(4) /* only for HWUART */
#endif /* PXA255 and above only */
#define IIR_TOD bit(3)
#define IIR_IID_MASK bits(2,1)
#define IIR_IID(x) bits_val(2,1,x)
#define get_IIR_IID(x) bits_get(2,1,x)
#define IIR_IP bit(0)
/* FCR bits - see Table 10-11 in [1], Table 10-11 in [2], Table 17-10 in [2], Table 10-11 in [3], Table 17-10 in [3] */
#define FCR_ITL_MASK bits(7,6)
#define FCR_ITL(x) bits_val(7,6,x)
#define get_FCR_ITL(x) bits_get(7,6,x)
#if !defined(PXA2X0_NOPXA255)
#define FCR_TIL bit(3) /* only for HWUART */
#endif /* PXA255 and above only */
#define FCR_RESETTF bit(2)
#define FCR_RESETRF bit(1)
#define FCR_TRFIFOE bit(0)
/* LCR bits - see Table 10-12 in [1], Table 10-12 in [2], Table 17-14 in [2], Table 10-12 in [3], Table 17-14 in [3] */
#define LCR_DLAB bit(7)
#define LCR_SB bit(6)
#define LCR_STKYP bit(5)
#define LCR_EPS bit(4)
#define LCR_PEN bit(3)
#define LCR_STB bit(2)
#define LCR_WLS_MASK bits(1,0)
#define LCR_WLS(x) bits_val(1,0,x)
#define get_LCR_WLS(x) bits_get(1,0,x)
/* LSR bits - see Table 10-13 in [1], Table 10-13 in [2], Table 17-15 in [2], Table 10-13 in [3], Table 17-15 in [3] */
#define LSR_FIFOE bit(7)
#define LSR_TEMT bit(6)
#define LSR_TDRQ bit(5)
#define LSR_BI bit(4)
#define LSR_FE bit(3)
#define LSR_PE bit(2)
#define LSR_OE bit(1)
#define LSR_DR bit(0)
/* MCR bits - see Table 10-14 in [1], Table 10-14 in [2], Table 17-16 in [2], Table 10-14 in [3], Table 17-16 in [3] */
#if !defined(PXA2X0_NOPXA255)
#define MCR_AFE bit(5) /* only for HWUART */
#endif /* PXA255 and above only */
#define MCR_LOOP bit(4)
#define MCR_OUT2 bit(3)
#define MCR_OUT1 bit(2) /* only for FFUART - see Table 10-21 in [1], Table 10-21 in [2], Table 10-21 in [3] */
#define MCR_RTS bit(1) /* only for FFUART, BTUART, HWUART - see Table 10-21 in [1], Table 10-21 in [2], Table 10-21 in [3] */
#define MCR_DTR bit(0) /* only for FFUART - see Table 10-21 in [1], Table 10-21 in [2], Table 10-21 in [3] */
/* MSR bits - see Table 10-15 in [1], Table 10-15 in [2], Table 17-17 in [2], Table 10-15 in [3], Table 17-17 in [3] */
#define MSR_DCD bit(7) /* only for FFUART */
#define MSR_RI bit(6) /* only for FFUART */
#define MSR_DSR bit(5) /* only for FFUART */
#define MSR_CTS bit(4) /* only for FFUART, BTUART, HWUART - see Table 10-21 in [1], Table 10-21 in [2], Table 10-21 in [3] */
#define MSR_DDCD bit(3) /* only for FFUART */
#define MSR_TERI bit(2) /* only for FFUART */
#define MSR_DDSR bit(1) /* only for FFUART */
#define MSR_DCTS bit(0) /* only for FFUART, BTUART, HWUART - see Table 10-21 in [1], Table 10-21 in [2], Table 10-21 in [3] */
/* SPR bits - see Table 10-16 in [1], Table 10-16 in [2], Table 17-18 in [2], Table 10-16 in [3], Table 17-18 in [3] */
#define SPR_SP_MASK bits(7,0)
#define SPR_SP(x) bits_val(7,0,x)
#define get_SPR_SP(x) bits_get(7,0,x)
/* ISR bits - see Table 10-17 in [1], Table 10-17 in [2], Table 17-19 in [2], Table 10-17 in [3], Table 17-19 in [3] */
#define ISR_RXPL bit(4)
#define ISR_TXPL bit(3)
#define ISR_XMODE bit(2)
#define ISR_RCVEIR bit(1)
#define ISR_XMITIR bit(0)
#if !defined(PXA2X0_NOPXA255)
/* HWFOR bits - see Table 17-11 in [2], Table 17-11 in [3] */
#define HWFOR_BC_MASK bits(6,0)
#define HWFOR_BC(x) bits_val(6,0,x)
#define get_HWFOR_BC(x) bits_get(6,0,x)
/* HWABR bits - see Table 17-12 in [2], Table 17-12 in [3] */
#define HWABR_ABT bit(3)
#define HWABR_ABUP bit(2)
#define HWABR_ABLIE bit(1)
#define HWABR_ABE bit(0)
/* HWACR bits - see Table 17-13 in [2], Table 17-13 in [3] */
#define HWACR_ACR_MASK bits(15,0)
#define HWACR_ACR(x) bits_val(15,0,x)
#define get_HWACR_ACR(x) bits_get(15,0,x)
#endif /* PXA255 and above only */
#endif /* PXA2X0_UART_H */
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