LIB = $(obj)lib$(CPU).a
START = start.o
-COBJS = cpu.o speed.o serial.o timer.o
+COBJS = cpu.o speed.o timer.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * 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 <lh7a40x.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_CONSOLE_UART1)
-# define UART_CONSOLE 1
-#elif defined(CONFIG_CONSOLE_UART2)
-# define UART_CONSOLE 2
-#elif defined(CONFIG_CONSOLE_UART3)
-# define UART_CONSOLE 3
-#else
-# error "No console configured ... "
-#endif
-
-void serial_setbrg (void)
-{
- lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
- int i;
- unsigned int reg = 0;
-
- /*
- * userguide 15.1.2.4
- *
- * BAUDDIV is (UART_REF_FREQ/(16 X BAUD))-1
- *
- * UART_REF_FREQ = external system clock input / 2 (Hz)
- * BAUD is desired baudrate (bits/s)
- *
- * NOTE: we add (divisor/2) to numerator to round for
- * more precision
- */
- reg = (((get_PLLCLK()/2) + ((16*gd->baudrate)/2)) / (16 * gd->baudrate)) - 1;
- uart->brcon = reg;
-
- for (i = 0; i < 100; i++);
-}
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- *
- */
-int serial_init (void)
-{
- lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
-
- /* UART must be enabled before writing to any config registers */
- uart->con |= (UART_EN);
-
-#ifdef CONFIG_CONSOLE_UART1
- /* infrared disabled */
- uart->con |= UART_SIRD;
-#endif
- /* loopback disabled */
- uart->con &= ~(UART_LBE);
-
- /* modem lines and tx/rx polarities */
- uart->con &= ~(UART_MXP | UART_TXP | UART_RXP);
-
- /* FIFO enable, N81 */
- uart->fcon = (UART_WLEN_8 | UART_FEN | UART_STP2_1);
-
- /* set baudrate */
- serial_setbrg ();
-
- /* enable rx interrupt */
- uart->inten |= UART_RI;
-
- return (0);
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise. When the function is succesfull, the character read is
- * written into its argument c.
- */
-int serial_getc (void)
-{
- lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
-
- /* wait for character to arrive */
- while (uart->status & UART_RXFE);
-
- return(uart->data & 0xff);
-}
-
-#ifdef CONFIG_HWFLOW
-static int hwflow = 0; /* turned off by default */
-int hwflow_onoff(int on)
-{
- switch(on) {
- case 0:
- default:
- break; /* return current */
- case 1:
- hwflow = 1; /* turn on */
- break;
- case -1:
- hwflow = 0; /* turn off */
- break;
- }
- return hwflow;
-}
-#endif
-
-#ifdef CONFIG_MODEM_SUPPORT
-static int be_quiet = 0;
-void disable_putc(void)
-{
- be_quiet = 1;
-}
-
-void enable_putc(void)
-{
- be_quiet = 0;
-}
-#endif
-
-
-/*
- * Output a single byte to the serial port.
- */
-void serial_putc (const char c)
-{
- lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
-
-#ifdef CONFIG_MODEM_SUPPORT
- if (be_quiet)
- return;
-#endif
-
- /* wait for room in the tx FIFO */
- while (!(uart->status & UART_TXFE));
-
-#ifdef CONFIG_HWFLOW
- /* Wait for CTS up */
- while(hwflow && !(uart->status & UART_CTS));
-#endif
-
- uart->data = c;
-
- /* If \n, also do \r */
- if (c == '\n')
- serial_putc ('\r');
-}
-
-/*
- * Test whether a character is in the RX buffer
- */
-int serial_tstc (void)
-{
- lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
-
- return(!(uart->status & UART_RXFE));
-}
-
-void
-serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
COBJS-$(CONFIG_IXP_SERIAL) += serial_ixp.o
COBJS-$(CONFIG_KS8695_SERIAL) += serial_ks8695.o
COBJS-$(CONFIG_LPC2292_SERIAL) += serial_lpc2292.o
+COBJS-$(CONFIG_LH7A40X_SERIAL) += serial_lh7a40x.o
COBJS-$(CONFIG_MAX3100_SERIAL) += serial_max3100.o
COBJS-$(CONFIG_MX31_UART) += serial_mx31.o
COBJS-$(CONFIG_NETARM_SERIAL) += serial_netarm.o
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * 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 <lh7a40x.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_CONSOLE_UART1)
+# define UART_CONSOLE 1
+#elif defined(CONFIG_CONSOLE_UART2)
+# define UART_CONSOLE 2
+#elif defined(CONFIG_CONSOLE_UART3)
+# define UART_CONSOLE 3
+#else
+# error "No console configured ... "
+#endif
+
+void serial_setbrg (void)
+{
+ lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
+ int i;
+ unsigned int reg = 0;
+
+ /*
+ * userguide 15.1.2.4
+ *
+ * BAUDDIV is (UART_REF_FREQ/(16 X BAUD))-1
+ *
+ * UART_REF_FREQ = external system clock input / 2 (Hz)
+ * BAUD is desired baudrate (bits/s)
+ *
+ * NOTE: we add (divisor/2) to numerator to round for
+ * more precision
+ */
+ reg = (((get_PLLCLK()/2) + ((16*gd->baudrate)/2)) / (16 * gd->baudrate)) - 1;
+ uart->brcon = reg;
+
+ for (i = 0; i < 100; i++);
+}
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+ lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
+
+ /* UART must be enabled before writing to any config registers */
+ uart->con |= (UART_EN);
+
+#ifdef CONFIG_CONSOLE_UART1
+ /* infrared disabled */
+ uart->con |= UART_SIRD;
+#endif
+ /* loopback disabled */
+ uart->con &= ~(UART_LBE);
+
+ /* modem lines and tx/rx polarities */
+ uart->con &= ~(UART_MXP | UART_TXP | UART_RXP);
+
+ /* FIFO enable, N81 */
+ uart->fcon = (UART_WLEN_8 | UART_FEN | UART_STP2_1);
+
+ /* set baudrate */
+ serial_setbrg ();
+
+ /* enable rx interrupt */
+ uart->inten |= UART_RI;
+
+ return (0);
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_getc (void)
+{
+ lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
+
+ /* wait for character to arrive */
+ while (uart->status & UART_RXFE);
+
+ return(uart->data & 0xff);
+}
+
+#ifdef CONFIG_HWFLOW
+static int hwflow = 0; /* turned off by default */
+int hwflow_onoff(int on)
+{
+ switch(on) {
+ case 0:
+ default:
+ break; /* return current */
+ case 1:
+ hwflow = 1; /* turn on */
+ break;
+ case -1:
+ hwflow = 0; /* turn off */
+ break;
+ }
+ return hwflow;
+}
+#endif
+
+#ifdef CONFIG_MODEM_SUPPORT
+static int be_quiet = 0;
+void disable_putc(void)
+{
+ be_quiet = 1;
+}
+
+void enable_putc(void)
+{
+ be_quiet = 0;
+}
+#endif
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+ lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
+
+#ifdef CONFIG_MODEM_SUPPORT
+ if (be_quiet)
+ return;
+#endif
+
+ /* wait for room in the tx FIFO */
+ while (!(uart->status & UART_TXFE));
+
+#ifdef CONFIG_HWFLOW
+ /* Wait for CTS up */
+ while(hwflow && !(uart->status & UART_CTS));
+#endif
+
+ uart->data = c;
+
+ /* If \n, also do \r */
+ if (c == '\n')
+ serial_putc ('\r');
+}
+
+/*
+ * Test whether a character is in the RX buffer
+ */
+int serial_tstc (void)
+{
+ lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
+
+ return(!(uart->status & UART_RXFE));
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
/*
* select serial console configuration
*/
+#define CONFIG_LH7A40X_SERIAL
#define CONFIG_CONSOLE_UART2 /* UART2 LH7A40x for console */
/* allow to overwrite serial and ethaddr */
/*
* select serial console configuration
*/
+#define CONFIG_LH7A40X_SERIAL
#define CONFIG_CONSOLE_UART2 /* UART2 LH7A40x for console */
/* allow to overwrite serial and ethaddr */
projects / oweals / u-boot.git / commitdiff