nios2: Move serial drivers to individual files in drivers/serial
The standard Altera UART & JTAG UART as well as the OpenCores
YANU driver are now in individual files in drivers/serial
rather than a single file uner cpu/nios2.
Signed-off-by: Scott McNutt <smcnutt@psyent.com>
diff --git a/cpu/nios2/Makefile b/cpu/nios2/Makefile
index 75f30b4..3dfaa83 100644
--- a/cpu/nios2/Makefile
+++ b/cpu/nios2/Makefile
@@ -27,7 +27,7 @@
START = start.o
SOBJS = exceptions.o
-COBJS = cpu.o interrupts.o serial.o sysid.o traps.o epcs.o
+COBJS = cpu.o interrupts.o sysid.o traps.o epcs.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 3c77a7c..d2b4820 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -25,11 +25,14 @@
LIB := $(obj)libserial.a
+COBJS-$(CONFIG_ALTERA_UART) += altera_uart.o
+COBJS-$(CONFIG_ALTERA_JTAG_UART) += altera_jtag_uart.o
COBJS-$(CONFIG_ARM_DCC) += arm_dcc.o
COBJS-$(CONFIG_AT91RM9200_USART) += at91rm9200_usart.o
COBJS-$(CONFIG_ATMEL_USART) += atmel_usart.o
COBJS-$(CONFIG_MCFUART) += mcfuart.o
COBJS-$(CONFIG_NS9750_UART) += ns9750_serial.o
+COBJS-$(CONFIG_OPENCORES_YANU) += opencores_yanu.o
COBJS-$(CONFIG_SYS_NS16550) += ns16550.o
COBJS-$(CONFIG_DRIVER_S3C4510_UART) += s3c4510b_uart.o
COBJS-$(CONFIG_S3C64XX) += s3c64xx.o
diff --git a/drivers/serial/altera_jtag_uart.c b/drivers/serial/altera_jtag_uart.c
new file mode 100644
index 0000000..9eccaa0
--- /dev/null
+++ b/drivers/serial/altera_jtag_uart.c
@@ -0,0 +1,70 @@
+/*
+ * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
+ * Scott McNutt <smcnutt@psyent.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
+ */
+
+#include <common.h>
+#include <watchdog.h>
+#include <asm/io.h>
+#include <nios2-io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*------------------------------------------------------------------
+ * JTAG acts as the serial port
+ *-----------------------------------------------------------------*/
+static nios_jtag_t *jtag = (nios_jtag_t *)CONFIG_SYS_NIOS_CONSOLE;
+
+void serial_setbrg( void ){ return; }
+int serial_init( void ) { return(0);}
+
+void serial_putc (char c)
+{
+ while (NIOS_JTAG_WSPACE ( readl (&jtag->control)) == 0)
+ WATCHDOG_RESET ();
+ writel (&jtag->data, (unsigned char)c);
+}
+
+void serial_puts (const char *s)
+{
+ while (*s != 0)
+ serial_putc (*s++);
+}
+
+int serial_tstc (void)
+{
+ return ( readl (&jtag->control) & NIOS_JTAG_RRDY);
+}
+
+int serial_getc (void)
+{
+ int c;
+ unsigned val;
+
+ while (1) {
+ WATCHDOG_RESET ();
+ val = readl (&jtag->data);
+ if (val & NIOS_JTAG_RVALID)
+ break;
+ }
+ c = val & 0x0ff;
+ return (c);
+}
diff --git a/drivers/serial/altera_uart.c b/drivers/serial/altera_uart.c
new file mode 100644
index 0000000..995e374
--- /dev/null
+++ b/drivers/serial/altera_uart.c
@@ -0,0 +1,94 @@
+/*
+ * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
+ * Scott McNutt <smcnutt@psyent.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
+ */
+
+
+#include <common.h>
+#include <watchdog.h>
+#include <asm/io.h>
+#include <nios2-io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*------------------------------------------------------------------
+ * UART the serial port
+ *-----------------------------------------------------------------*/
+
+static nios_uart_t *uart = (nios_uart_t *) CONFIG_SYS_NIOS_CONSOLE;
+
+#if defined(CONFIG_SYS_NIOS_FIXEDBAUD)
+
+/* Everything's already setup for fixed-baud PTF
+ * assignment
+ */
+void serial_setbrg (void){ return; }
+int serial_init (void) { return (0);}
+
+#else
+
+void serial_setbrg (void)
+{
+ unsigned div;
+
+ div = (CONFIG_SYS_CLK_FREQ/gd->baudrate)-1;
+ writel (&uart->divisor,div);
+ return;
+}
+
+int serial_init (void)
+{
+ serial_setbrg ();
+ return (0);
+}
+
+#endif /* CONFIG_SYS_NIOS_FIXEDBAUD */
+
+/*-----------------------------------------------------------------------
+ * UART CONSOLE
+ *---------------------------------------------------------------------*/
+void serial_putc (char c)
+{
+ if (c == '\n')
+ serial_putc ('\r');
+ while ((readl (&uart->status) & NIOS_UART_TRDY) == 0)
+ WATCHDOG_RESET ();
+ writel (&uart->txdata,(unsigned char)c);
+}
+
+void serial_puts (const char *s)
+{
+ while (*s != 0) {
+ serial_putc (*s++);
+ }
+}
+
+int serial_tstc (void)
+{
+ return (readl (&uart->status) & NIOS_UART_RRDY);
+}
+
+int serial_getc (void)
+{
+ while (serial_tstc () == 0)
+ WATCHDOG_RESET ();
+ return (readl (&uart->rxdata) & 0x00ff );
+}
diff --git a/cpu/nios2/serial.c b/drivers/serial/opencores_yanu.c
similarity index 64%
rename from cpu/nios2/serial.c
rename to drivers/serial/opencores_yanu.c
index 6c835af..dacda53 100644
--- a/cpu/nios2/serial.c
+++ b/drivers/serial/opencores_yanu.c
@@ -1,8 +1,4 @@
/*
- * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
- * Scott McNutt <smcnutt@psyent.com>
- *
- * YANU Support:
* Copyright 2010, Renato Andreola <renato.andreola@imagos.it>
*
* See file CREDITS for list of people who contributed to this
@@ -24,61 +20,13 @@
* MA 02111-1307 USA
*/
-
#include <common.h>
#include <watchdog.h>
#include <asm/io.h>
-#include <nios2-io.h>
#include <nios2-yanu.h>
DECLARE_GLOBAL_DATA_PTR;
-/*------------------------------------------------------------------
- * JTAG acts as the serial port
- *-----------------------------------------------------------------*/
-#if defined(CONFIG_CONSOLE_JTAG)
-
-static nios_jtag_t *jtag = (nios_jtag_t *)CONFIG_SYS_NIOS_CONSOLE;
-
-void serial_setbrg( void ){ return; }
-int serial_init( void ) { return(0);}
-
-void serial_putc (char c)
-{
- unsigned val;
-
- while (NIOS_JTAG_WSPACE ( readl (&jtag->control)) == 0)
- WATCHDOG_RESET ();
- writel (&jtag->data, (unsigned char)c);
-}
-
-void serial_puts (const char *s)
-{
- while (*s != 0)
- serial_putc (*s++);
-}
-
-int serial_tstc (void)
-{
- return ( readl (&jtag->control) & NIOS_JTAG_RRDY);
-}
-
-int serial_getc (void)
-{
- int c;
- unsigned val;
-
- while (1) {
- WATCHDOG_RESET ();
- val = readl (&jtag->data);
- if (val & NIOS_JTAG_RVALID)
- break;
- }
- c = val & 0x0ff;
- return (c);
-}
-
-#elif defined(CONFIG_CONSOLE_YANU)
/*-----------------------------------------------------------------*/
/* YANU Imagos serial port */
/*-----------------------------------------------------------------*/
@@ -238,72 +186,3 @@
return(readl(&uart->data) & YANU_DATA_CHAR_MASK);
}
-
-#else /*CONFIG_CONSOLE_YANU*/
-
-/*------------------------------------------------------------------
- * UART the serial port
- *-----------------------------------------------------------------*/
-
-static nios_uart_t *uart = (nios_uart_t *) CONFIG_SYS_NIOS_CONSOLE;
-
-#if defined(CONFIG_SYS_NIOS_FIXEDBAUD)
-
-/* Everything's already setup for fixed-baud PTF
- * assignment
- */
-void serial_setbrg (void){ return; }
-int serial_init (void) { return (0);}
-
-#else
-
-void serial_setbrg (void)
-{
- unsigned div;
-
- div = (CONFIG_SYS_CLK_FREQ/gd->baudrate)-1;
- writel (&uart->divisor,div);
- return;
-}
-
-int serial_init (void)
-{
- serial_setbrg ();
- return (0);
-}
-
-#endif /* CONFIG_SYS_NIOS_FIXEDBAUD */
-
-
-/*-----------------------------------------------------------------------
- * UART CONSOLE
- *---------------------------------------------------------------------*/
-void serial_putc (char c)
-{
- if (c == '\n')
- serial_putc ('\r');
- while ((readl (&uart->status) & NIOS_UART_TRDY) == 0)
- WATCHDOG_RESET ();
- writel (&uart->txdata,(unsigned char)c);
-}
-
-void serial_puts (const char *s)
-{
- while (*s != 0) {
- serial_putc (*s++);
- }
-}
-
-int serial_tstc (void)
-{
- return (readl (&uart->status) & NIOS_UART_RRDY);
-}
-
-int serial_getc (void)
-{
- while (serial_tstc () == 0)
- WATCHDOG_RESET ();
- return (readl (&uart->rxdata) & 0x00ff );
-}
-
-#endif /* CONFIG_JTAG_CONSOLE */
diff --git a/include/configs/EP1C20.h b/include/configs/EP1C20.h
index 61d8e20..dc82e54 100644
--- a/include/configs/EP1C20.h
+++ b/include/configs/EP1C20.h
@@ -94,7 +94,8 @@
/*------------------------------------------------------------------------
* CONSOLE
*----------------------------------------------------------------------*/
-#if defined(CONFIG_CONSOLE_JTAG)
+#define CONFIG_ALTERA_UART 1 /* Use altera uart */
+#if defined(CONFIG_ALTERA_JTAG_UART)
#define CONFIG_SYS_NIOS_CONSOLE 0x021208b0 /* JTAG UART base addr */
#else
#define CONFIG_SYS_NIOS_CONSOLE 0x02120840 /* UART base addr */
diff --git a/include/configs/EP1S10.h b/include/configs/EP1S10.h
index 41e64e6..498f26d 100644
--- a/include/configs/EP1S10.h
+++ b/include/configs/EP1S10.h
@@ -92,7 +92,8 @@
/*------------------------------------------------------------------------
* CONSOLE
*----------------------------------------------------------------------*/
-#if defined(CONFIG_CONSOLE_JTAG)
+#define CONFIG_ALTERA_UART 1 /* Use altera uart */
+#if defined(CONFIG_ALTERA_JTAG_UART)
#define CONFIG_SYS_NIOS_CONSOLE 0x021208b0 /* JTAG UART base addr */
#else
#define CONFIG_SYS_NIOS_CONSOLE 0x02120840 /* UART base addr */
diff --git a/include/configs/EP1S40.h b/include/configs/EP1S40.h
index 5b332e4..4ad65d8 100644
--- a/include/configs/EP1S40.h
+++ b/include/configs/EP1S40.h
@@ -92,7 +92,8 @@
/*------------------------------------------------------------------------
* CONSOLE
*----------------------------------------------------------------------*/
-#if defined(CONFIG_CONSOLE_JTAG)
+#define CONFIG_ALTERA_UART 1 /* Use altera uart */
+#if defined(CONFIG_ALTERA_JTAG_UART)
#define CONFIG_SYS_NIOS_CONSOLE 0x021208b0 /* JTAG UART base addr */
#else
#define CONFIG_SYS_NIOS_CONSOLE 0x02120840 /* UART base addr */
diff --git a/include/configs/PCI5441.h b/include/configs/PCI5441.h
index 831a60d..d06b7f8 100644
--- a/include/configs/PCI5441.h
+++ b/include/configs/PCI5441.h
@@ -92,7 +92,8 @@
/*------------------------------------------------------------------------
* CONSOLE
*----------------------------------------------------------------------*/
-#if defined(CONFIG_CONSOLE_JTAG)
+#define CONFIG_ALTERA_UART 1 /* Use altera uart */
+#if defined(CONFIG_ALTERA_JTAG_UART)
#define CONFIG_SYS_NIOS_CONSOLE 0x00920820 /* JTAG UART base addr */
#else
#define CONFIG_SYS_NIOS_CONSOLE 0x009208a0 /* UART base addr */
diff --git a/include/configs/PK1C20.h b/include/configs/PK1C20.h
index cf6f7a9..165dde0 100644
--- a/include/configs/PK1C20.h
+++ b/include/configs/PK1C20.h
@@ -94,7 +94,8 @@
/*------------------------------------------------------------------------
* CONSOLE
*----------------------------------------------------------------------*/
-#if defined(CONFIG_CONSOLE_JTAG)
+#define CONFIG_ALTERA_UART 1 /* Use altera uart */
+#if defined(CONFIG_ALTERA_JTAG_UART)
#define CONFIG_SYS_NIOS_CONSOLE 0x021208b0 /* JTAG UART base addr */
#else
#define CONFIG_SYS_NIOS_CONSOLE 0x02120840 /* UART base addr */