They only differ in the init function.
This also adds the missing watchdog support for the PL011.
Signed-off-by: Andreas Engel <andreas.engel@ericsson.com>
COBJS-$(CONFIG_S3C64XX) += s3c64xx.o
COBJS-y += serial.o
COBJS-$(CONFIG_MAX3100_SERIAL) += serial_max3100.o
-COBJS-y += serial_pl010.o
-COBJS-y += serial_pl011.o
+COBJS-y += serial_pl01x.o
COBJS-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o
COBJS-$(CONFIG_SCIF_CONSOLE) += serial_sh.o
COBJS-$(CONFIG_USB_TTY) += usbtty.o
+++ /dev/null
-/*
- * (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>
-#include <watchdog.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)
- WATCHDOG_RESET();
-
- /* 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)
- WATCHDOG_RESET();
-
- 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)
-{
- WATCHDOG_RESET();
- return !(IO_READ (port[portnum] + UART_PL01x_FR) &
- UART_PL01x_FR_RXFE);
-}
-
-#endif
+++ /dev/null
-/*
- * (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_PL011_SERIAL
-
-#include "serial_pl011.h"
-
-#define IO_WRITE(addr, val) (*(volatile unsigned int *)(addr) = (val))
-#define IO_READ(addr) (*(volatile unsigned int *)(addr))
-
-/*
- * IntegratorCP has two UARTs, use the first one, at 38400-8-N-1
- * Versatile PB has four UARTs.
- */
-
-#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 pl011_putc (int portnum, char c);
-static int pl011_getc (int portnum);
-static int pl011_tstc (int portnum);
-
-
-int serial_init (void)
-{
- unsigned int temp;
- unsigned int divider;
- unsigned int remainder;
- unsigned int fraction;
-
- /*
- ** First, disable everything.
- */
- IO_WRITE (port[CONSOLE_PORT] + UART_PL011_CR, 0x0);
-
- /*
- ** Set baud rate
- **
- ** IBRD = UART_CLK / (16 * BAUD_RATE)
- ** FBRD = ROUND((64 * MOD(UART_CLK,(16 * BAUD_RATE))) / (16 * BAUD_RATE))
- */
- temp = 16 * baudRate;
- divider = CONFIG_PL011_CLOCK / temp;
- remainder = CONFIG_PL011_CLOCK % temp;
- temp = (8 * remainder) / baudRate;
- fraction = (temp >> 1) + (temp & 1);
-
- IO_WRITE (port[CONSOLE_PORT] + UART_PL011_IBRD, divider);
- IO_WRITE (port[CONSOLE_PORT] + UART_PL011_FBRD, fraction);
-
- /*
- ** Set the UART to be 8 bits, 1 stop bit, no parity, fifo enabled.
- */
- IO_WRITE (port[CONSOLE_PORT] + UART_PL011_LCRH,
- (UART_PL011_LCRH_WLEN_8 | UART_PL011_LCRH_FEN));
-
- /*
- ** Finally, enable the UART
- */
- IO_WRITE (port[CONSOLE_PORT] + UART_PL011_CR,
- (UART_PL011_CR_UARTEN | UART_PL011_CR_TXE |
- UART_PL011_CR_RXE));
-
- return 0;
-}
-
-void serial_putc (const char c)
-{
- if (c == '\n')
- pl011_putc (CONSOLE_PORT, '\r');
-
- pl011_putc (CONSOLE_PORT, c);
-}
-
-void serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
-
-int serial_getc (void)
-{
- return pl011_getc (CONSOLE_PORT);
-}
-
-int serial_tstc (void)
-{
- return pl011_tstc (CONSOLE_PORT);
-}
-
-void serial_setbrg (void)
-{
-}
-
-static void pl011_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 pl011_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 pl011_tstc (int portnum)
-{
- return !(IO_READ (port[portnum] + UART_PL01x_FR) &
- UART_PL01x_FR_RXFE);
-}
-
-#endif
+++ /dev/null
-/*
- * (C) Copyright 2003, 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
- */
-
-/*
- * ARM PrimeCell UART's (PL010 & PL011)
- * ------------------------------------
- *
- * Definitions common to both PL010 & PL011
- *
- */
-#define UART_PL01x_DR 0x00 /* Data read or written from the interface. */
-#define UART_PL01x_RSR 0x04 /* Receive status register (Read). */
-#define UART_PL01x_ECR 0x04 /* Error clear register (Write). */
-#define UART_PL01x_FR 0x18 /* Flag register (Read only). */
-
-#define UART_PL01x_RSR_OE 0x08
-#define UART_PL01x_RSR_BE 0x04
-#define UART_PL01x_RSR_PE 0x02
-#define UART_PL01x_RSR_FE 0x01
-
-#define UART_PL01x_FR_TXFE 0x80
-#define UART_PL01x_FR_RXFF 0x40
-#define UART_PL01x_FR_TXFF 0x20
-#define UART_PL01x_FR_RXFE 0x10
-#define UART_PL01x_FR_BUSY 0x08
-#define UART_PL01x_FR_TMSK (UART_PL01x_FR_TXFF + UART_PL01x_FR_BUSY)
-
-/*
- * PL010 definitions
- *
- */
-#define UART_PL010_LCRH 0x08 /* Line control register, high byte. */
-#define UART_PL010_LCRM 0x0C /* Line control register, middle byte. */
-#define UART_PL010_LCRL 0x10 /* Line control register, low byte. */
-#define UART_PL010_CR 0x14 /* Control register. */
-#define UART_PL010_IIR 0x1C /* Interrupt indentification register (Read). */
-#define UART_PL010_ICR 0x1C /* Interrupt clear register (Write). */
-#define UART_PL010_ILPR 0x20 /* IrDA low power counter register. */
-
-#define UART_PL010_CR_LPE (1 << 7)
-#define UART_PL010_CR_RTIE (1 << 6)
-#define UART_PL010_CR_TIE (1 << 5)
-#define UART_PL010_CR_RIE (1 << 4)
-#define UART_PL010_CR_MSIE (1 << 3)
-#define UART_PL010_CR_IIRLP (1 << 2)
-#define UART_PL010_CR_SIREN (1 << 1)
-#define UART_PL010_CR_UARTEN (1 << 0)
-
-#define UART_PL010_LCRH_WLEN_8 (3 << 5)
-#define UART_PL010_LCRH_WLEN_7 (2 << 5)
-#define UART_PL010_LCRH_WLEN_6 (1 << 5)
-#define UART_PL010_LCRH_WLEN_5 (0 << 5)
-#define UART_PL010_LCRH_FEN (1 << 4)
-#define UART_PL010_LCRH_STP2 (1 << 3)
-#define UART_PL010_LCRH_EPS (1 << 2)
-#define UART_PL010_LCRH_PEN (1 << 1)
-#define UART_PL010_LCRH_BRK (1 << 0)
-
-
-#define UART_PL010_BAUD_460800 1
-#define UART_PL010_BAUD_230400 3
-#define UART_PL010_BAUD_115200 7
-#define UART_PL010_BAUD_57600 15
-#define UART_PL010_BAUD_38400 23
-#define UART_PL010_BAUD_19200 47
-#define UART_PL010_BAUD_14400 63
-#define UART_PL010_BAUD_9600 95
-#define UART_PL010_BAUD_4800 191
-#define UART_PL010_BAUD_2400 383
-#define UART_PL010_BAUD_1200 767
-/*
- * PL011 definitions
- *
- */
-#define UART_PL011_IBRD 0x24
-#define UART_PL011_FBRD 0x28
-#define UART_PL011_LCRH 0x2C
-#define UART_PL011_CR 0x30
-#define UART_PL011_IMSC 0x38
-#define UART_PL011_PERIPH_ID0 0xFE0
-
-#define UART_PL011_LCRH_SPS (1 << 7)
-#define UART_PL011_LCRH_WLEN_8 (3 << 5)
-#define UART_PL011_LCRH_WLEN_7 (2 << 5)
-#define UART_PL011_LCRH_WLEN_6 (1 << 5)
-#define UART_PL011_LCRH_WLEN_5 (0 << 5)
-#define UART_PL011_LCRH_FEN (1 << 4)
-#define UART_PL011_LCRH_STP2 (1 << 3)
-#define UART_PL011_LCRH_EPS (1 << 2)
-#define UART_PL011_LCRH_PEN (1 << 1)
-#define UART_PL011_LCRH_BRK (1 << 0)
-
-#define UART_PL011_CR_CTSEN (1 << 15)
-#define UART_PL011_CR_RTSEN (1 << 14)
-#define UART_PL011_CR_OUT2 (1 << 13)
-#define UART_PL011_CR_OUT1 (1 << 12)
-#define UART_PL011_CR_RTS (1 << 11)
-#define UART_PL011_CR_DTR (1 << 10)
-#define UART_PL011_CR_RXE (1 << 9)
-#define UART_PL011_CR_TXE (1 << 8)
-#define UART_PL011_CR_LPE (1 << 7)
-#define UART_PL011_CR_IIRLP (1 << 2)
-#define UART_PL011_CR_SIREN (1 << 1)
-#define UART_PL011_CR_UARTEN (1 << 0)
-
-#define UART_PL011_IMSC_OEIM (1 << 10)
-#define UART_PL011_IMSC_BEIM (1 << 9)
-#define UART_PL011_IMSC_PEIM (1 << 8)
-#define UART_PL011_IMSC_FEIM (1 << 7)
-#define UART_PL011_IMSC_RTIM (1 << 6)
-#define UART_PL011_IMSC_TXIM (1 << 5)
-#define UART_PL011_IMSC_RXIM (1 << 4)
-#define UART_PL011_IMSC_DSRMIM (1 << 3)
-#define UART_PL011_IMSC_DCDMIM (1 << 2)
-#define UART_PL011_IMSC_CTSMIM (1 << 1)
-#define UART_PL011_IMSC_RIMIM (1 << 0)
--- /dev/null
+/*
+ * (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>
+#include <watchdog.h>
+
+#if defined(CFG_PL010_SERIAL) || defined(CFG_PL011_SERIAL)
+
+#include "serial_pl01x.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
+ * Integrator CP has two UARTs, use the first one, at 38400-8-N-1
+ * Versatile PB has four UARTs.
+ */
+#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 pl01x_putc (int portnum, char c);
+static int pl01x_getc (int portnum);
+static int pl01x_tstc (int portnum);
+
+#ifdef CFG_PL010_SERIAL
+
+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;
+}
+
+#endif /* CFG_PL010_SERIAL */
+
+#ifdef CFG_PL011_SERIAL
+
+int serial_init (void)
+{
+ unsigned int temp;
+ unsigned int divider;
+ unsigned int remainder;
+ unsigned int fraction;
+
+ /*
+ ** First, disable everything.
+ */
+ IO_WRITE (port[CONSOLE_PORT] + UART_PL011_CR, 0x0);
+
+ /*
+ ** Set baud rate
+ **
+ ** IBRD = UART_CLK / (16 * BAUD_RATE)
+ ** FBRD = ROUND((64 * MOD(UART_CLK,(16 * BAUD_RATE))) / (16 * BAUD_RATE))
+ */
+ temp = 16 * baudRate;
+ divider = CONFIG_PL011_CLOCK / temp;
+ remainder = CONFIG_PL011_CLOCK % temp;
+ temp = (8 * remainder) / baudRate;
+ fraction = (temp >> 1) + (temp & 1);
+
+ IO_WRITE (port[CONSOLE_PORT] + UART_PL011_IBRD, divider);
+ IO_WRITE (port[CONSOLE_PORT] + UART_PL011_FBRD, fraction);
+
+ /*
+ ** Set the UART to be 8 bits, 1 stop bit, no parity, fifo enabled.
+ */
+ IO_WRITE (port[CONSOLE_PORT] + UART_PL011_LCRH,
+ (UART_PL011_LCRH_WLEN_8 | UART_PL011_LCRH_FEN));
+
+ /*
+ ** Finally, enable the UART
+ */
+ IO_WRITE (port[CONSOLE_PORT] + UART_PL011_CR,
+ (UART_PL011_CR_UARTEN | UART_PL011_CR_TXE |
+ UART_PL011_CR_RXE));
+
+ return 0;
+}
+
+#endif /* CFG_PL011_SERIAL */
+
+void serial_putc (const char c)
+{
+ if (c == '\n')
+ pl01x_putc (CONSOLE_PORT, '\r');
+
+ pl01x_putc (CONSOLE_PORT, c);
+}
+
+void serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+int serial_getc (void)
+{
+ return pl01x_getc (CONSOLE_PORT);
+}
+
+int serial_tstc (void)
+{
+ return pl01x_tstc (CONSOLE_PORT);
+}
+
+void serial_setbrg (void)
+{
+}
+
+static void pl01x_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)
+ WATCHDOG_RESET();
+
+ /* Send the character */
+ IO_WRITE (port[portnum] + UART_PL01x_DR, c);
+}
+
+static int pl01x_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)
+ WATCHDOG_RESET();
+
+ 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 pl01x_tstc (int portnum)
+{
+ WATCHDOG_RESET();
+ return !(IO_READ (port[portnum] + UART_PL01x_FR) &
+ UART_PL01x_FR_RXFE);
+}
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2003, 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
+ */
+
+/*
+ * ARM PrimeCell UART's (PL010 & PL011)
+ * ------------------------------------
+ *
+ * Definitions common to both PL010 & PL011
+ *
+ */
+#define UART_PL01x_DR 0x00 /* Data read or written from the interface. */
+#define UART_PL01x_RSR 0x04 /* Receive status register (Read). */
+#define UART_PL01x_ECR 0x04 /* Error clear register (Write). */
+#define UART_PL01x_FR 0x18 /* Flag register (Read only). */
+
+#define UART_PL01x_RSR_OE 0x08
+#define UART_PL01x_RSR_BE 0x04
+#define UART_PL01x_RSR_PE 0x02
+#define UART_PL01x_RSR_FE 0x01
+
+#define UART_PL01x_FR_TXFE 0x80
+#define UART_PL01x_FR_RXFF 0x40
+#define UART_PL01x_FR_TXFF 0x20
+#define UART_PL01x_FR_RXFE 0x10
+#define UART_PL01x_FR_BUSY 0x08
+#define UART_PL01x_FR_TMSK (UART_PL01x_FR_TXFF + UART_PL01x_FR_BUSY)
+
+/*
+ * PL010 definitions
+ *
+ */
+#define UART_PL010_LCRH 0x08 /* Line control register, high byte. */
+#define UART_PL010_LCRM 0x0C /* Line control register, middle byte. */
+#define UART_PL010_LCRL 0x10 /* Line control register, low byte. */
+#define UART_PL010_CR 0x14 /* Control register. */
+#define UART_PL010_IIR 0x1C /* Interrupt indentification register (Read). */
+#define UART_PL010_ICR 0x1C /* Interrupt clear register (Write). */
+#define UART_PL010_ILPR 0x20 /* IrDA low power counter register. */
+
+#define UART_PL010_CR_LPE (1 << 7)
+#define UART_PL010_CR_RTIE (1 << 6)
+#define UART_PL010_CR_TIE (1 << 5)
+#define UART_PL010_CR_RIE (1 << 4)
+#define UART_PL010_CR_MSIE (1 << 3)
+#define UART_PL010_CR_IIRLP (1 << 2)
+#define UART_PL010_CR_SIREN (1 << 1)
+#define UART_PL010_CR_UARTEN (1 << 0)
+
+#define UART_PL010_LCRH_WLEN_8 (3 << 5)
+#define UART_PL010_LCRH_WLEN_7 (2 << 5)
+#define UART_PL010_LCRH_WLEN_6 (1 << 5)
+#define UART_PL010_LCRH_WLEN_5 (0 << 5)
+#define UART_PL010_LCRH_FEN (1 << 4)
+#define UART_PL010_LCRH_STP2 (1 << 3)
+#define UART_PL010_LCRH_EPS (1 << 2)
+#define UART_PL010_LCRH_PEN (1 << 1)
+#define UART_PL010_LCRH_BRK (1 << 0)
+
+
+#define UART_PL010_BAUD_460800 1
+#define UART_PL010_BAUD_230400 3
+#define UART_PL010_BAUD_115200 7
+#define UART_PL010_BAUD_57600 15
+#define UART_PL010_BAUD_38400 23
+#define UART_PL010_BAUD_19200 47
+#define UART_PL010_BAUD_14400 63
+#define UART_PL010_BAUD_9600 95
+#define UART_PL010_BAUD_4800 191
+#define UART_PL010_BAUD_2400 383
+#define UART_PL010_BAUD_1200 767
+/*
+ * PL011 definitions
+ *
+ */
+#define UART_PL011_IBRD 0x24
+#define UART_PL011_FBRD 0x28
+#define UART_PL011_LCRH 0x2C
+#define UART_PL011_CR 0x30
+#define UART_PL011_IMSC 0x38
+#define UART_PL011_PERIPH_ID0 0xFE0
+
+#define UART_PL011_LCRH_SPS (1 << 7)
+#define UART_PL011_LCRH_WLEN_8 (3 << 5)
+#define UART_PL011_LCRH_WLEN_7 (2 << 5)
+#define UART_PL011_LCRH_WLEN_6 (1 << 5)
+#define UART_PL011_LCRH_WLEN_5 (0 << 5)
+#define UART_PL011_LCRH_FEN (1 << 4)
+#define UART_PL011_LCRH_STP2 (1 << 3)
+#define UART_PL011_LCRH_EPS (1 << 2)
+#define UART_PL011_LCRH_PEN (1 << 1)
+#define UART_PL011_LCRH_BRK (1 << 0)
+
+#define UART_PL011_CR_CTSEN (1 << 15)
+#define UART_PL011_CR_RTSEN (1 << 14)
+#define UART_PL011_CR_OUT2 (1 << 13)
+#define UART_PL011_CR_OUT1 (1 << 12)
+#define UART_PL011_CR_RTS (1 << 11)
+#define UART_PL011_CR_DTR (1 << 10)
+#define UART_PL011_CR_RXE (1 << 9)
+#define UART_PL011_CR_TXE (1 << 8)
+#define UART_PL011_CR_LPE (1 << 7)
+#define UART_PL011_CR_IIRLP (1 << 2)
+#define UART_PL011_CR_SIREN (1 << 1)
+#define UART_PL011_CR_UARTEN (1 << 0)
+
+#define UART_PL011_IMSC_OEIM (1 << 10)
+#define UART_PL011_IMSC_BEIM (1 << 9)
+#define UART_PL011_IMSC_PEIM (1 << 8)
+#define UART_PL011_IMSC_FEIM (1 << 7)
+#define UART_PL011_IMSC_RTIM (1 << 6)
+#define UART_PL011_IMSC_TXIM (1 << 5)
+#define UART_PL011_IMSC_RXIM (1 << 4)
+#define UART_PL011_IMSC_DSRMIM (1 << 3)
+#define UART_PL011_IMSC_DCDMIM (1 << 2)
+#define UART_PL011_IMSC_CTSMIM (1 << 1)
+#define UART_PL011_IMSC_RIMIM (1 << 0)
projects / project / bcm63xx / u-boot.git / commitdiff