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author | Sascha Hauer <sha@octopus.labnet.pengutronix.de> | 2007-09-21 14:14:05 +0200 |
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committer | Sascha Hauer <sha@octopus.labnet.pengutronix.de> | 2007-09-21 14:14:05 +0200 |
commit | c1711479b099e84cca830b4027eb969adbe61734 (patch) | |
tree | 971101dd8a7be51035dfd41368a815c8ebb21041 /drivers/serial/serial_pl010.c | |
parent | 9a365ade16d8f489d223a6c960fa494d8012422b (diff) | |
download | barebox-c1711479b099e84cca830b4027eb969adbe61734.tar.gz barebox-c1711479b099e84cca830b4027eb969adbe61734.tar.xz |
remove unported includes and drivers
Diffstat (limited to 'drivers/serial/serial_pl010.c')
-rw-r--r-- | drivers/serial/serial_pl010.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/drivers/serial/serial_pl010.c b/drivers/serial/serial_pl010.c deleted file mode 100644 index 417b6aeda6..0000000000 --- a/drivers/serial/serial_pl010.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * (C) Copyright 2000 - * Rob Taylor, Flying Pig Systems. robt@flyingpig.com. - * - * (C) Copyright 2004 - * ARM Ltd. - * Philippe Robin, <philippe.robin@arm.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 - */ - -/* Simple U-Boot driver for the PrimeCell PL011 UARTs on the IntegratorCP */ -/* Should be fairly simple to make it work with the PL010 as well */ - -#include <common.h> - -#ifdef CFG_PL010_SERIAL - -#include "serial_pl011.h" - -#define IO_WRITE(addr, val) (*(volatile unsigned int *)(addr) = (val)) -#define IO_READ(addr) (*(volatile unsigned int *)(addr)) - -/* Integrator AP has two UARTs, we use the first one, at 38400-8-N-1 */ -#define CONSOLE_PORT CONFIG_CONS_INDEX -#define baudRate CONFIG_BAUDRATE -static volatile unsigned char *const port[] = CONFIG_PL01x_PORTS; -#define NUM_PORTS (sizeof(port)/sizeof(port[0])) - - -static void pl010_putc (int portnum, char c); -static int pl010_getc (int portnum); -static int pl010_tstc (int portnum); - - -int serial_init (void) -{ - unsigned int divisor; - - /* - ** First, disable everything. - */ - IO_WRITE (port[CONSOLE_PORT] + UART_PL010_CR, 0x0); - - /* - ** Set baud rate - ** - */ - switch (baudRate) { - case 9600: - divisor = UART_PL010_BAUD_9600; - break; - - case 19200: - divisor = UART_PL010_BAUD_9600; - break; - - case 38400: - divisor = UART_PL010_BAUD_38400; - break; - - case 57600: - divisor = UART_PL010_BAUD_57600; - break; - - case 115200: - divisor = UART_PL010_BAUD_115200; - break; - - default: - divisor = UART_PL010_BAUD_38400; - } - - IO_WRITE (port[CONSOLE_PORT] + UART_PL010_LCRM, - ((divisor & 0xf00) >> 8)); - IO_WRITE (port[CONSOLE_PORT] + UART_PL010_LCRL, (divisor & 0xff)); - - /* - ** Set the UART to be 8 bits, 1 stop bit, no parity, fifo enabled. - */ - IO_WRITE (port[CONSOLE_PORT] + UART_PL010_LCRH, - (UART_PL010_LCRH_WLEN_8 | UART_PL010_LCRH_FEN)); - - /* - ** Finally, enable the UART - */ - IO_WRITE (port[CONSOLE_PORT] + UART_PL010_CR, (UART_PL010_CR_UARTEN)); - - return (0); -} - -void serial_putc (const char c) -{ - if (c == '\n') - pl010_putc (CONSOLE_PORT, '\r'); - - pl010_putc (CONSOLE_PORT, c); -} - -void serial_puts (const char *s) -{ - while (*s) { - serial_putc (*s++); - } -} - -int serial_getc (void) -{ - return pl010_getc (CONSOLE_PORT); -} - -int serial_tstc (void) -{ - return pl010_tstc (CONSOLE_PORT); -} - -void serial_setbrg (void) -{ -} - -static void pl010_putc (int portnum, char c) -{ - /* Wait until there is space in the FIFO */ - while (IO_READ (port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_TXFF); - - /* Send the character */ - IO_WRITE (port[portnum] + UART_PL01x_DR, c); -} - -static int pl010_getc (int portnum) -{ - unsigned int data; - - /* Wait until there is data in the FIFO */ - while (IO_READ (port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_RXFE); - - data = IO_READ (port[portnum] + UART_PL01x_DR); - - /* Check for an error flag */ - if (data & 0xFFFFFF00) { - /* Clear the error */ - IO_WRITE (port[portnum] + UART_PL01x_ECR, 0xFFFFFFFF); - return -1; - } - - return (int) data; -} - -static int pl010_tstc (int portnum) -{ - return !(IO_READ (port[portnum] + UART_PL01x_FR) & - UART_PL01x_FR_RXFE); -} - -#endif |