diff options
Diffstat (limited to 'drivers/serial/serial_sa1100.c')
| -rw-r--r-- | drivers/serial/serial_sa1100.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/drivers/serial/serial_sa1100.c b/drivers/serial/serial_sa1100.c deleted file mode 100644 index 78f241d850..0000000000 --- a/drivers/serial/serial_sa1100.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <SA-1100.h> -#include <serial.h> -#include <linux/compiler.h> - -DECLARE_GLOBAL_DATA_PTR; - -static void sa1100_serial_setbrg(void) -{ - unsigned int reg = 0; - - if (gd->baudrate == 1200) - reg = 191; - else if (gd->baudrate == 9600) - reg = 23; - else if (gd->baudrate == 19200) - reg = 11; - else if (gd->baudrate == 38400) - reg = 5; - else if (gd->baudrate == 57600) - reg = 3; - else if (gd->baudrate == 115200) - reg = 1; - else - hang (); - -#ifdef CONFIG_SERIAL1 - /* SA1110 uart function */ - Ser1SDCR0 |= SDCR0_SUS; - - /* Wait until port is ready ... */ - while(Ser1UTSR1 & UTSR1_TBY) {} - - /* init serial serial 1 */ - Ser1UTCR3 = 0x00; - Ser1UTSR0 = 0xff; - Ser1UTCR0 = ( UTCR0_1StpBit | UTCR0_8BitData ); - Ser1UTCR1 = 0; - Ser1UTCR2 = (u32)reg; - Ser1UTCR3 = ( UTCR3_RXE | UTCR3_TXE ); -#elif defined(CONFIG_SERIAL3) - /* Wait until port is ready ... */ - while (Ser3UTSR1 & UTSR1_TBY) { - } - - /* init serial serial 3 */ - Ser3UTCR3 = 0x00; - Ser3UTSR0 = 0xff; - Ser3UTCR0 = (UTCR0_1StpBit | UTCR0_8BitData); - Ser3UTCR1 = 0; - Ser3UTCR2 = (u32) reg; - Ser3UTCR3 = (UTCR3_RXE | UTCR3_TXE); -#else -#error "Bad: you didn't configured serial ..." -#endif -} - - -/* - * Initialise the serial port with the given baudrate. The settings - * are always 8 data bits, no parity, 1 stop bit, no start bits. - * - */ -static int sa1100_serial_init(void) -{ - serial_setbrg (); - - return (0); -} - - -/* - * Output a single byte to the serial port. - */ -static void sa1100_serial_putc(const char c) -{ -#ifdef CONFIG_SERIAL1 - /* wait for room in the tx FIFO on SERIAL1 */ - while ((Ser1UTSR0 & UTSR0_TFS) == 0); - - Ser1UTDR = c; -#elif defined(CONFIG_SERIAL3) - /* wait for room in the tx FIFO on SERIAL3 */ - while ((Ser3UTSR0 & UTSR0_TFS) == 0); - - Ser3UTDR = c; -#endif - - /* If \n, also do \r */ - if (c == '\n') - serial_putc ('\r'); -} - -/* - * Read a single byte from the serial port. Returns 1 on success, 0 - * otherwise. When the function is succesfull, the character read is - * written into its argument c. - */ -static int sa1100_serial_tstc(void) -{ -#ifdef CONFIG_SERIAL1 - return Ser1UTSR1 & UTSR1_RNE; -#elif defined(CONFIG_SERIAL3) - return Ser3UTSR1 & UTSR1_RNE; -#endif -} - -/* - * Read a single byte from the serial port. Returns 1 on success, 0 - * otherwise. When the function is succesfull, the character read is - * written into its argument c. - */ -static int sa1100_serial_getc(void) -{ -#ifdef CONFIG_SERIAL1 - while (!(Ser1UTSR1 & UTSR1_RNE)); - - return (char) Ser1UTDR & 0xff; -#elif defined(CONFIG_SERIAL3) - while (!(Ser3UTSR1 & UTSR1_RNE)); - - return (char) Ser3UTDR & 0xff; -#endif -} - -static struct serial_device sa1100_serial_drv = { - .name = "sa1100_serial", - .start = sa1100_serial_init, - .stop = NULL, - .setbrg = sa1100_serial_setbrg, - .putc = sa1100_serial_putc, - .puts = default_serial_puts, - .getc = sa1100_serial_getc, - .tstc = sa1100_serial_tstc, -}; - -void sa1100_serial_initialize(void) -{ - serial_register(&sa1100_serial_drv); -} - -__weak struct serial_device *default_serial_console(void) -{ - return &sa1100_serial_drv; -} |