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/**
* @file
*
* @ingroup beagle
*
* @brief Console configuration.
*/
/*
* Copyright (c) 2012 Claas Ziemke. All rights reserved.
*
* Claas Ziemke
* Kernerstrasse 11
* 70182 Stuttgart
* Germany
* <claas.ziemke@gmx.net>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <libchip/serial.h>
#include <libchip/ns16550.h>
#include <bsp.h>
#include <bsp/beagle.h>
#include <bsp/irq.h>
#define UART3_THR (*(volatile unsigned int *)0x49020000)
#define UART3_RHR (*(volatile unsigned int *)0x49020000)
#define UART3_LSR (*(volatile unsigned int *)0x49020014)
#define TX_FIFO_E (1<<5)
#define RX_FIFO_E (1<<0)
static uint8_t beagle_uart_get_register(uint32_t addr, uint8_t i)
{
volatile uint32_t *reg = (volatile uint32_t *) addr;
return (uint8_t) reg [i];
}
static void beagle_uart_set_register(uint32_t addr, uint8_t i, uint8_t val)
{
volatile uint32_t *reg = (volatile uint32_t *) addr;
reg [i] = val;
}
/* FIXME: Console selection */
console_tbl Console_Configuration_Ports [] = {
#ifdef BEAGLE_CONFIG_U5CLK
{
.sDeviceName = "/dev/ttyS5",
.deviceType = SERIAL_NS16550,
.pDeviceFns = &ns16550_fns_polled,
.deviceProbe = NULL,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) 1,
.ulCtrlPort1 = BEAGLE_BASE_UART_5,
.ulCtrlPort2 = 0,
.ulDataPort = BEAGLE_BASE_UART_5,
.getRegister = beagle_uart_get_register,
.setRegister = beagle_uart_set_register,
.getData = NULL,
.setData = NULL,
.ulClock = 16,
.ulIntVector = BEAGLE_IRQ_UART_5
},
#endif
#ifdef BEAGLE_CONFIG_U3CLK
{
.sDeviceName = "/dev/ttyS3",
.deviceType = SERIAL_NS16550,
.pDeviceFns = &ns16550_fns,
.deviceProbe = NULL,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) 1,
.ulCtrlPort1 = BEAGLE_BASE_UART_3,
.ulCtrlPort2 = 0,
.ulDataPort = BEAGLE_BASE_UART_3,
.getRegister = beagle_uart_get_register,
.setRegister = beagle_uart_set_register,
.getData = NULL,
.setData = NULL,
.ulClock = 16,
.ulIntVector = BEAGLE_IRQ_UART_3
},
#endif
#ifdef BEAGLE_CONFIG_U4CLK
{
.sDeviceName = "/dev/ttyS4",
.deviceType = SERIAL_NS16550,
.pDeviceFns = &ns16550_fns,
.deviceProbe = NULL,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) 1,
.ulCtrlPort1 = BEAGLE_BASE_UART_4,
.ulCtrlPort2 = 0,
.ulDataPort = BEAGLE_BASE_UART_4,
.getRegister = beagle_uart_get_register,
.setRegister = beagle_uart_set_register,
.getData = NULL,
.setData = NULL,
.ulClock = 16,
.ulIntVector = BEAGLE_IRQ_UART_4
},
#endif
#ifdef BEAGLE_CONFIG_U6CLK
{
.sDeviceName = "/dev/ttyS6",
.deviceType = SERIAL_NS16550,
.pDeviceFns = &ns16550_fns,
.deviceProbe = NULL,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) 1,
.ulCtrlPort1 = BEAGLE_BASE_UART_6,
.ulCtrlPort2 = 0,
.ulDataPort = BEAGLE_BASE_UART_6,
.getRegister = beagle_uart_get_register,
.setRegister = beagle_uart_set_register,
.getData = NULL,
.setData = NULL,
.ulClock = 16,
.ulIntVector = BEAGLE_IRQ_UART_6
},
#endif
#ifdef BEAGLE_UART_1_BAUD
{
.sDeviceName = "/dev/ttyS1",
.deviceType = SERIAL_CUSTOM,
.pDeviceFns = &ns16550_fns,
.deviceProbe = NULL,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) BEAGLE_UART_1_BAUD,
.ulCtrlPort1 = BEAGLE_BASE_UART_1,
.ulCtrlPort2 = 0,
.ulDataPort = 0,
.getRegister = NULL,
.setRegister = NULL,
.getData = NULL,
.setData = NULL,
.ulClock = 16,
.ulIntVector = BEAGLE_IRQ_UART_1
},
#endif
#ifdef BEAGLE_UART_2_BAUD
{
.sDeviceName = "/dev/ttyS2",
.deviceType = SERIAL_CUSTOM,
.pDeviceFns = &ns16550_fns,
.deviceProbe = NULL,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) BEAGLE_UART_2_BAUD,
.ulCtrlPort1 = BEAGLE_BASE_UART_2,
.ulCtrlPort2 = 0,
.ulDataPort = 0,
.getRegister = NULL,
.setRegister = NULL,
.getData = NULL,
.setData = NULL,
.ulClock = 16,
.ulIntVector = BEAGLE_IRQ_UART_2
},
#endif
#ifdef BEAGLE_UART_7_BAUD
{
.sDeviceName = "/dev/ttyS7",
.deviceType = SERIAL_CUSTOM,
.pDeviceFns = &ns16550_fns,
.deviceProbe = NULL,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) BEAGLE_UART_7_BAUD,
.ulCtrlPort1 = BEAGLE_BASE_UART_7,
.ulCtrlPort2 = 0,
.ulDataPort = 0,
.getRegister = NULL,
.setRegister = NULL,
.getData = NULL,
.setData = NULL,
.ulClock = 16,
.ulIntVector = BEAGLE_IRQ_UART_7
},
#endif
};
#define BEAGLE_UART_COUNT \
(sizeof(Console_Configuration_Ports) / \
sizeof(Console_Configuration_Ports [0]))
unsigned long Console_Configuration_Count = BEAGLE_UART_COUNT;
static void uart_write_polled( char c ) {
// wait until TX-Buffer is empty
while( ( UART3_LSR & TX_FIFO_E ) == 0 )
;
// send character
UART3_THR = c;
return c;
}
/*
* Write a character to the console. This is used by printk() and
* maybe other low level functions. It should not use interrupts or any
* RTEMS system calls. It needs to be very simple
*/
static void _BSP_put_char( char c ) {
uart_write_polled( c );
if (c == '\n') {
uart_write_polled('\r');
}
}
BSP_output_char_function_type BSP_output_char = _BSP_put_char;
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