mips/vcth: Use generic 16550 uart driver
authorDetlev Zundel <dzu@denx.de>
Thu, 23 Apr 2009 11:14:20 +0000 (13:14 +0200)
committerWolfgang Denk <wd@denx.de>
Mon, 27 Apr 2009 23:10:24 +0000 (01:10 +0200)
As the common code also handles baudrate switching, which the board
specific vct.c driver did not support, this is one of the rare
occassions where deleting code actually adds a feature :)

Signed-off-by: Detlev Zundel <dzu@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
drivers/serial/Makefile
drivers/serial/vct.c [deleted file]
include/configs/vct.h

index bb99a349ac99dde3070befbbef3a086a25f28ae7..14c818decc4875c2490e43b044f6d4e3a89861bc 100644 (file)
@@ -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 (executable)
index 556c114..0000000
+++ /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;
-}
index d202522bd5c7248f3056c6be9946c38b336e5852..fe679974c0c15de06c3c26b985183430844a4975 100644 (file)
 /*
  * UART
  */
-#define CONFIG_VCT_SERIAL
+#ifdef CONFIG_VCT_PLATINUMAVC
+#define UART_1_BASE            0xBDC30000
+#else
+#define UART_1_BASE            0xBF89C000
+#endif
+
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_REG_SIZE    -4
+#define CONFIG_SYS_NS16550_COM1                UART_1_BASE
+#define CONFIG_CONS_INDEX              1
+#define CONFIG_SYS_NS16550_CLK         921600
 #define CONFIG_BAUDRATE                        115200
 #define CONFIG_SYS_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }