diff options
author | Wolfgang Denk <wd@denx.de> | 2009-04-02 00:24:33 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2009-04-02 00:24:33 +0200 |
commit | dfc91c33957c95da34e3888dc87912d5c15a7603 (patch) | |
tree | d5fd6bd3818d817ea618bb9c19330633a71ab1bb /cpu/arm920t/ks8695/serial.c | |
parent | c123098035be8bae3859bbfbd06861f197c07631 (diff) | |
parent | 0fc4f64c59873a47d555dd66bad25797d4ecb0ed (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'cpu/arm920t/ks8695/serial.c')
-rw-r--r-- | cpu/arm920t/ks8695/serial.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/cpu/arm920t/ks8695/serial.c b/cpu/arm920t/ks8695/serial.c deleted file mode 100644 index aacd1be630b..00000000000 --- a/cpu/arm920t/ks8695/serial.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * serial.c -- KS8695 serial driver - * - * (C) Copyright 2004, Greg Ungerer <greg.ungerer@opengear.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/arch/platform.h> - -#ifndef CONFIG_SERIAL1 -#error "Bad: you didn't configure serial ..." -#endif - -DECLARE_GLOBAL_DATA_PTR; - -/* - * Define the UART hardware register access structure. - */ -struct ks8695uart { - unsigned int RX; /* 0x00 - Receive data (r) */ - unsigned int TX; /* 0x04 - Transmit data (w) */ - unsigned int FCR; /* 0x08 - Fifo Control (r/w) */ - unsigned int LCR; /* 0x0c - Line Control (r/w) */ - unsigned int MCR; /* 0x10 - Modem Control (r/w) */ - unsigned int LSR; /* 0x14 - Line Status (r/w) */ - unsigned int MSR; /* 0x18 - Modem Status (r/w) */ - unsigned int BD; /* 0x1c - Baud Rate (r/w) */ - unsigned int SR; /* 0x20 - Status (r/w) */ -}; - -#define KS8695_UART_ADDR ((void *) (KS8695_IO_BASE + KS8695_UART_RX_BUFFER)) -#define KS8695_UART_CLK 25000000 - - -/* - * Under some circumstances we want to be "quiet" and not issue any - * serial output - though we want u-boot to otherwise work and behave - * the same. By default be noisy. - */ -int serial_console = 1; - - -void serial_setbrg(void) -{ - volatile struct ks8695uart *uartp = KS8695_UART_ADDR; - - /* Set to global baud rate and 8 data bits, no parity, 1 stop bit*/ - uartp->BD = KS8695_UART_CLK / gd->baudrate; - uartp->LCR = KS8695_UART_LINEC_WLEN8; -} - -int serial_init(void) -{ - serial_console = 1; - serial_setbrg(); - return 0; -} - -void serial_raw_putc(const char c) -{ - volatile struct ks8695uart *uartp = KS8695_UART_ADDR; - int i; - - for (i = 0; (i < 0x100000); i++) { - if (uartp->LSR & KS8695_UART_LINES_TXFE) - break; - } - - uartp->TX = c; -} - -void serial_putc(const char c) -{ - if (serial_console) { - serial_raw_putc(c); - if (c == '\n') - serial_raw_putc('\r'); - } -} - -int serial_tstc(void) -{ - volatile struct ks8695uart *uartp = KS8695_UART_ADDR; - if (serial_console) - return ((uartp->LSR & KS8695_UART_LINES_RXFE) ? 1 : 0); - return 0; -} - -void serial_puts(const char *s) -{ - char c; - while ((c = *s++) != 0) - serial_putc(c); -} - -int serial_getc(void) -{ - volatile struct ks8695uart *uartp = KS8695_UART_ADDR; - - while ((uartp->LSR & KS8695_UART_LINES_RXFE) == 0) - ; - return (uartp->RX); -} |