diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/Makefile | 3 | ||||
| -rwxr-xr-x | drivers/serial/vct.c | 125 |
2 files changed, 1 insertions, 127 deletions
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index bb99a34..14c818d 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -1,5 +1,5 @@ # -# (C) Copyright 2006 +# (C) Copyright 2006-2009 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. # # See file CREDITS for list of people who contributed to this @@ -50,7 +50,6 @@ COBJS-$(CONFIG_S3C44B0_SERIAL) += serial_s3c44b0.o COBJS-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o COBJS-$(CONFIG_SCIF_CONSOLE) += serial_sh.o COBJS-$(CONFIG_USB_TTY) += usbtty.o -COBJS-$(CONFIG_VCT_SERIAL) += vct.o COBJS := $(sort $(COBJS-y)) SRCS := $(COBJS:.o=.c) diff --git a/drivers/serial/vct.c b/drivers/serial/vct.c deleted file mode 100755 index 556c114..0000000 --- a/drivers/serial/vct.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering - * - * 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 <config.h> -#include <common.h> -#include <asm/io.h> - -#ifdef CONFIG_VCT_PLATINUMAVC -#define UART_1_BASE 0xBDC30000 -#else -#define UART_1_BASE 0xBF89C000 -#endif - -#define UART_RBR_OFF 0x00 /* receiver buffer reg */ -#define UART_THR_OFF 0x00 /* transmit holding reg */ -#define UART_DLL_OFF 0x00 /* divisor latch low reg */ -#define UART_IER_OFF 0x04 /* interrupt enable reg */ -#define UART_DLH_OFF 0x04 /* receiver buffer reg */ -#define UART_FCR_OFF 0x08 /* fifo control register */ -#define UART_LCR_OFF 0x0c /* line control register */ -#define UART_MCR_OFF 0x10 /* modem control register */ -#define UART_LSR_OFF 0x14 /* line status register */ -#define UART_MSR_OFF 0x18 /* modem status register */ -#define UART_SCR_OFF 0x1c /* scratch pad register */ - -#define UART_RCV_DATA_RDY 0x01 /* Data Received */ -#define UART_XMT_HOLD_EMPTY 0x20 -#define UART_TRANSMIT_EMPTY 0x40 - -/* 7 bit on line control reg. enalbing rw to dll and dlh */ -#define UART_LCR_DLAB 0x0080 - -#define UART___9600_BDR 0x84 -#define UART__19200_BDR 0x42 -#define UART_115200_BDR 0x08 - -#define UART_DIS_ALL_INTER 0x00 /* disable all interrupts */ - -#define UART_5DATA_BITS 0x0000 /* 5 [bits] 1.5 bits 2 */ -#define UART_6DATA_BITS 0x0001 /* 6 [bits] 1 bits 2 */ -#define UART_7DATA_BITS 0x0002 /* 7 [bits] 1 bits 2 */ -#define UART_8DATA_BITS 0x0003 /* 8 [bits] 1 bits 2 */ - -static void vct_uart_set_baud_rate(u32 address, u32 dh, u32 dl) -{ - u32 val = __raw_readl(UART_1_BASE + UART_LCR_OFF); - - /* set 7 bit on 1 */ - val |= UART_LCR_DLAB; - __raw_writel(val, UART_1_BASE + UART_LCR_OFF); - - __raw_writel(dl, UART_1_BASE + UART_DLL_OFF); - __raw_writel(dh, UART_1_BASE + UART_DLH_OFF); - - /* set 7 bit on 0 */ - val &= ~UART_LCR_DLAB; - __raw_writel(val, UART_1_BASE + UART_LCR_OFF); - - return; -} - -int serial_init(void) -{ - __raw_writel(UART_DIS_ALL_INTER, UART_1_BASE + UART_IER_OFF); - vct_uart_set_baud_rate(UART_1_BASE, 0, UART_115200_BDR); - __raw_writel(UART_8DATA_BITS, UART_1_BASE + UART_LCR_OFF); - - return 0; -} - -void serial_setbrg(void) -{ - /* - * Baudrate change not supported currently, fixed to 115200 baud - */ -} - -void serial_putc(const char c) -{ - if (c == '\n') - serial_putc('\r'); - - while (!(UART_XMT_HOLD_EMPTY & __raw_readl(UART_1_BASE + UART_LSR_OFF))) - ; - - __raw_writel(c, UART_1_BASE + UART_THR_OFF); -} - -void serial_puts(const char *s) -{ - while (*s) - serial_putc(*s++); -} - -int serial_getc(void) -{ - while (!(UART_RCV_DATA_RDY & __raw_readl(UART_1_BASE + UART_LSR_OFF))) - ; - - return __raw_readl(UART_1_BASE + UART_RBR_OFF) & 0xff; -} - -int serial_tstc(void) -{ - if (!(UART_RCV_DATA_RDY & __raw_readl(UART_1_BASE + UART_LSR_OFF))) - return 0; - - return 1; -} |