diff options
Diffstat (limited to 'board/omap3/zoom2/zoom2_serial.c')
-rw-r--r-- | board/omap3/zoom2/zoom2_serial.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/board/omap3/zoom2/zoom2_serial.c b/board/omap3/zoom2/zoom2_serial.c deleted file mode 100644 index a3d777dfad..0000000000 --- a/board/omap3/zoom2/zoom2_serial.c +++ /dev/null @@ -1,130 +0,0 @@ -/* - * Copyright (c) 2009 Wind River Systems, Inc. - * Tom Rix <Tom.Rix@windriver.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 - * - * This file was adapted from cpu/mpc5xxx/serial.c - * - */ - -#include <common.h> -#include <serial.h> -#include <ns16550.h> -#include <asm/arch/cpu.h> -#include "zoom2_serial.h" - -int quad_init_dev (unsigned long base) -{ - /* - * The Quad UART is on the debug board. - * Check if the debug board is attached before using the UART - */ - if (zoom2_debug_board_connected ()) { - NS16550_t com_port = (NS16550_t) base; - int baud_divisor = CONFIG_SYS_NS16550_CLK / 16 / - CONFIG_BAUDRATE; - - /* - * Zoom2 has a board specific initialization of its UART. - * This generic initialization has been copied from - * drivers/serial/ns16550.c. The macros have been expanded. - * - * Do the following instead of - * - * NS16550_init (com_port, clock_divisor); - */ - com_port->ier = 0x00; - - /* - * On Zoom2 board Set pre-scalar to 1 - * CLKSEL is GND => MCR[7] is 1 => preslr is 4 - * So change the prescl to 1 - */ - com_port->lcr = 0xBF; - com_port->fcr |= 0x10; - com_port->mcr &= 0x7F; - - /* This is generic ns16550.c setup */ - com_port->lcr = UART_LCR_BKSE | UART_LCR_8N1; - com_port->dll = 0; - com_port->dlm = 0; - com_port->lcr = UART_LCR_8N1; - com_port->mcr = UART_MCR_DTR | UART_MCR_RTS; - com_port->fcr = UART_FCR_FIFO_EN | UART_FCR_RXSR | - UART_FCR_TXSR; - com_port->lcr = UART_LCR_BKSE | UART_LCR_8N1; - com_port->dll = baud_divisor & 0xff; - com_port->dlm = (baud_divisor >> 8) & 0xff; - com_port->lcr = UART_LCR_8N1; - } - /* - * We have to lie here, otherwise the board init code will hang - * on the check - */ - return 0; -} - -void quad_putc_dev (unsigned long base, const char c) -{ - if (zoom2_debug_board_connected ()) { - - if (c == '\n') - quad_putc_dev (base, '\r'); - - NS16550_putc ((NS16550_t) base, c); - } -} - -void quad_puts_dev (unsigned long base, const char *s) -{ - if (zoom2_debug_board_connected ()) { - while ((s != NULL) && (*s != '\0')) - quad_putc_dev (base, *s++); - } -} - -int quad_getc_dev (unsigned long base) -{ - if (zoom2_debug_board_connected ()) - return NS16550_getc ((NS16550_t) base); - else - return 0; -} - -int quad_tstc_dev (unsigned long base) -{ - if (zoom2_debug_board_connected ()) - return NS16550_tstc ((NS16550_t) base); - else - return 0; -} - -void quad_setbrg_dev (unsigned long base) -{ - if (zoom2_debug_board_connected ()) { - - int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / - CONFIG_BAUDRATE; - - NS16550_reinit ((NS16550_t) base, clock_divisor); - } -} - -QUAD_INIT (0) -QUAD_INIT (1) -QUAD_INIT (2) -QUAD_INIT (3) |