diff options
| -rw-r--r-- | cpu/nios2/Makefile | 2 | ||||
| -rw-r--r-- | drivers/serial/Makefile | 3 | ||||
| -rw-r--r-- | drivers/serial/altera_jtag_uart.c | 70 | ||||
| -rw-r--r-- | drivers/serial/altera_uart.c | 94 | ||||
| -rw-r--r-- | drivers/serial/opencores_yanu.c (renamed from cpu/nios2/serial.c) | 121 | ||||
| -rw-r--r-- | include/configs/EP1C20.h | 3 | ||||
| -rw-r--r-- | include/configs/EP1S10.h | 3 | ||||
| -rw-r--r-- | include/configs/EP1S40.h | 3 | ||||
| -rw-r--r-- | include/configs/PCI5441.h | 3 | ||||
| -rw-r--r-- | include/configs/PK1C20.h | 3 |
10 files changed, 178 insertions, 127 deletions
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 @@ LIB = $(obj)lib$(CPU).a 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 @@ include $(TOPDIR)/config.mk 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 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 @@ int serial_getc (void) 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 */ |