diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/Makefile | 1 | ||||
| -rw-r--r-- | drivers/serial/serial.c | 2 | ||||
| -rw-r--r-- | drivers/serial/serial_ixp.c | 130 |
3 files changed, 0 insertions, 133 deletions
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 6b4cade..85374fa 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -18,7 +18,6 @@ obj-$(CONFIG_SYS_NS16550) += ns16550.o obj-$(CONFIG_S5P) += serial_s5p.o obj-$(CONFIG_SYS_NS16550_SERIAL) += serial_ns16550.o obj-$(CONFIG_IMX_SERIAL) += serial_imx.o -obj-$(CONFIG_IXP_SERIAL) += serial_ixp.o obj-$(CONFIG_KS8695_SERIAL) += serial_ks8695.o obj-$(CONFIG_MAX3100_SERIAL) += serial_max3100.o obj-$(CONFIG_MXC_UART) += serial_mxc.o diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c index df2b84a..ed1643f 100644 --- a/drivers/serial/serial.c +++ b/drivers/serial/serial.c @@ -150,7 +150,6 @@ serial_initfunc(oc_serial_initialize); serial_initfunc(sandbox_serial_initialize); serial_initfunc(clps7111_serial_initialize); serial_initfunc(imx_serial_initialize); -serial_initfunc(ixp_serial_initialize); serial_initfunc(ks8695_serial_initialize); serial_initfunc(lh7a40x_serial_initialize); serial_initfunc(max3100_serial_initialize); @@ -243,7 +242,6 @@ void serial_initialize(void) sandbox_serial_initialize(); clps7111_serial_initialize(); imx_serial_initialize(); - ixp_serial_initialize(); ks8695_serial_initialize(); lh7a40x_serial_initialize(); max3100_serial_initialize(); diff --git a/drivers/serial/serial_ixp.c b/drivers/serial/serial_ixp.c deleted file mode 100644 index b9d0f5b..0000000 --- a/drivers/serial/serial_ixp.c +++ /dev/null @@ -1,130 +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 <asm/arch/ixp425.h> -#include <watchdog.h> -#include <serial.h> -#include <linux/compiler.h> - -/* - * 14.7456 MHz - * Baud Rate = -------------- - * 16 x Divisor - */ -#define SERIAL_CLOCK 921600 - -DECLARE_GLOBAL_DATA_PTR; - -static void ixp_serial_setbrg(void) -{ - unsigned int quot = 0; - int uart = CONFIG_SYS_IXP425_CONSOLE; - - if ((gd->baudrate <= SERIAL_CLOCK) && (SERIAL_CLOCK % gd->baudrate == 0)) - quot = SERIAL_CLOCK / gd->baudrate; - else - hang (); - - IER(uart) = 0; /* Disable for now */ - FCR(uart) = 0; /* No fifos enabled */ - - /* set baud rate */ - LCR(uart) = LCR_WLS0 | LCR_WLS1 | LCR_DLAB; - DLL(uart) = quot & 0xff; - DLH(uart) = quot >> 8; - LCR(uart) = LCR_WLS0 | LCR_WLS1; -#ifdef CONFIG_SERIAL_RTS_ACTIVE - MCR(uart) = MCR_RTS; /* set RTS active */ -#else - MCR(uart) = 0; /* set RTS inactive */ -#endif - IER(uart) = IER_UUE; -} - -/* - * 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 ixp_serial_init(void) -{ - serial_setbrg (); - - return (0); -} - - -/* - * Output a single byte to the serial port. - */ -static void ixp_serial_putc(const char c) -{ - /* wait for room in the tx FIFO on UART */ - while ((LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_TEMT) == 0) - WATCHDOG_RESET(); /* Reset HW Watchdog, if needed */ - - THR(CONFIG_SYS_IXP425_CONSOLE) = c; - - /* 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 ixp_serial_tstc(void) -{ - return LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_DR; -} - -/* - * 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 ixp_serial_getc(void) -{ - while (!(LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_DR)) - WATCHDOG_RESET(); /* Reset HW Watchdog, if needed */ - - return (char) RBR(CONFIG_SYS_IXP425_CONSOLE) & 0xff; -} - -static struct serial_device ixp_serial_drv = { - .name = "ixp_serial", - .start = ixp_serial_init, - .stop = NULL, - .setbrg = ixp_serial_setbrg, - .putc = ixp_serial_putc, - .puts = default_serial_puts, - .getc = ixp_serial_getc, - .tstc = ixp_serial_tstc, -}; - -void ixp_serial_initialize(void) -{ - serial_register(&ixp_serial_drv); -} - -__weak struct serial_device *default_serial_console(void) -{ - return &ixp_serial_drv; -} |