This does not appear to be used, and has not been converted to driver model by the deadline (doc/driver-model/serial-howto.txt). Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>master
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/*
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* (C) Copyright 2002 |
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* Wolfgang Denk, DENX Software Engineering, <wd@denx.de> |
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* |
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* (C) Copyright 2002 |
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
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* Marius Groeger <mgroeger@sysgo.de> |
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* |
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* (C) Copyright 2002 |
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
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* Alex Zuepke <azu@sysgo.de> |
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* |
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* Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <common.h> |
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#include <SA-1100.h> |
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#include <serial.h> |
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#include <linux/compiler.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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static void sa1100_serial_setbrg(void) |
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{ |
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unsigned int reg = 0; |
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if (gd->baudrate == 1200) |
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reg = 191; |
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else if (gd->baudrate == 9600) |
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reg = 23; |
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else if (gd->baudrate == 19200) |
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reg = 11; |
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else if (gd->baudrate == 38400) |
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reg = 5; |
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else if (gd->baudrate == 57600) |
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reg = 3; |
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else if (gd->baudrate == 115200) |
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reg = 1; |
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else |
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hang (); |
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#ifdef CONFIG_SERIAL1 |
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/* SA1110 uart function */ |
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Ser1SDCR0 |= SDCR0_SUS; |
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/* Wait until port is ready ... */ |
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while(Ser1UTSR1 & UTSR1_TBY) {} |
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/* init serial serial 1 */ |
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Ser1UTCR3 = 0x00; |
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Ser1UTSR0 = 0xff; |
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Ser1UTCR0 = ( UTCR0_1StpBit | UTCR0_8BitData ); |
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Ser1UTCR1 = 0; |
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Ser1UTCR2 = (u32)reg; |
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Ser1UTCR3 = ( UTCR3_RXE | UTCR3_TXE ); |
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#elif defined(CONFIG_SERIAL3) |
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/* Wait until port is ready ... */ |
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while (Ser3UTSR1 & UTSR1_TBY) { |
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} |
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/* init serial serial 3 */ |
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Ser3UTCR3 = 0x00; |
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Ser3UTSR0 = 0xff; |
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Ser3UTCR0 = (UTCR0_1StpBit | UTCR0_8BitData); |
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Ser3UTCR1 = 0; |
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Ser3UTCR2 = (u32) reg; |
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Ser3UTCR3 = (UTCR3_RXE | UTCR3_TXE); |
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#else |
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#error "Bad: you didn't configured serial ..." |
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#endif |
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} |
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/*
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* Initialise the serial port with the given baudrate. The settings |
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* are always 8 data bits, no parity, 1 stop bit, no start bits. |
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* |
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*/ |
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static int sa1100_serial_init(void) |
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{ |
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serial_setbrg (); |
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return (0); |
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} |
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/*
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* Output a single byte to the serial port. |
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*/ |
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static void sa1100_serial_putc(const char c) |
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{ |
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#ifdef CONFIG_SERIAL1 |
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/* wait for room in the tx FIFO on SERIAL1 */ |
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while ((Ser1UTSR0 & UTSR0_TFS) == 0); |
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Ser1UTDR = c; |
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#elif defined(CONFIG_SERIAL3) |
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/* wait for room in the tx FIFO on SERIAL3 */ |
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while ((Ser3UTSR0 & UTSR0_TFS) == 0); |
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Ser3UTDR = c; |
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#endif |
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/* If \n, also do \r */ |
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if (c == '\n') |
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serial_putc ('\r'); |
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} |
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/*
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* Read a single byte from the serial port. Returns 1 on success, 0 |
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* otherwise. When the function is succesfull, the character read is |
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* written into its argument c. |
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*/ |
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static int sa1100_serial_tstc(void) |
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{ |
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#ifdef CONFIG_SERIAL1 |
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return Ser1UTSR1 & UTSR1_RNE; |
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#elif defined(CONFIG_SERIAL3) |
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return Ser3UTSR1 & UTSR1_RNE; |
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#endif |
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} |
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/*
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* Read a single byte from the serial port. Returns 1 on success, 0 |
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* otherwise. When the function is succesfull, the character read is |
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* written into its argument c. |
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*/ |
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static int sa1100_serial_getc(void) |
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{ |
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#ifdef CONFIG_SERIAL1 |
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while (!(Ser1UTSR1 & UTSR1_RNE)); |
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return (char) Ser1UTDR & 0xff; |
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#elif defined(CONFIG_SERIAL3) |
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while (!(Ser3UTSR1 & UTSR1_RNE)); |
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return (char) Ser3UTDR & 0xff; |
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#endif |
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} |
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static struct serial_device sa1100_serial_drv = { |
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.name = "sa1100_serial", |
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.start = sa1100_serial_init, |
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.stop = NULL, |
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.setbrg = sa1100_serial_setbrg, |
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.putc = sa1100_serial_putc, |
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.puts = default_serial_puts, |
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.getc = sa1100_serial_getc, |
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.tstc = sa1100_serial_tstc, |
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}; |
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void sa1100_serial_initialize(void) |
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{ |
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serial_register(&sa1100_serial_drv); |
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} |
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__weak struct serial_device *default_serial_console(void) |
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{ |
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return &sa1100_serial_drv; |
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} |
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