/**
* @file
*
* @ingroup arm_lpc32xx
*
* @brief Console configuration.
*/
/*
* Copyright (c) 2009
* embedded brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* 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/lpc32xx.h>
#include <bsp/irq.h>
extern const console_fns lpc32xx_hsu_fns;
static uint8_t lpc32xx_uart_get_register(uintptr_t addr, uint8_t i)
{
volatile uint32_t *reg = (volatile uint32_t *) addr;
return (uint8_t) reg [i];
}
static void lpc32xx_uart_set_register(uintptr_t addr, uint8_t i, uint8_t val)
{
volatile uint32_t *reg = (volatile uint32_t *) addr;
reg [i] = val;
}
#ifdef LPC32XX_UART_3_BAUD
static bool lpc32xx_uart_probe_3(int minor)
{
LPC32XX_UARTCLK_CTRL |= BSP_BIT32(0);
LPC32XX_U3CLK = LPC32XX_CONFIG_U3CLK;
LPC32XX_UART_CLKMODE = BSP_FLD32SET(LPC32XX_UART_CLKMODE, 0x2, 4, 5);
return true;
}
#endif
#ifdef LPC32XX_UART_4_BAUD
static bool lpc32xx_uart_probe_4(int minor)
{
volatile lpc32xx_gpio *gpio = &lpc32xx.gpio;
/*
* Set GPO_21/U4_TX/LCDVD[3] to U4_TX. This works only if LCD module is
* disabled.
*/
gpio->p2_mux_set = BSP_BIT32(2);
LPC32XX_UARTCLK_CTRL |= BSP_BIT32(1);
LPC32XX_U4CLK = LPC32XX_CONFIG_U4CLK;
LPC32XX_UART_CLKMODE = BSP_FLD32SET(LPC32XX_UART_CLKMODE, 0x2, 6, 7);
return true;
}
#endif
#ifdef LPC32XX_UART_6_BAUD
static bool lpc32xx_uart_probe_6(int minor)
{
/* Bypass the IrDA modulator/demodulator */
LPC32XX_UART_CTRL |= BSP_BIT32(5);
LPC32XX_UARTCLK_CTRL |= BSP_BIT32(3);
LPC32XX_U6CLK = LPC32XX_CONFIG_U6CLK;
LPC32XX_UART_CLKMODE = BSP_FLD32SET(LPC32XX_UART_CLKMODE, 0x2, 10, 11);
return true;
}
#endif
/* FIXME: Console selection */
console_tbl Console_Configuration_Ports [] = {
#ifdef LPC32XX_UART_5_BAUD
{
.sDeviceName = "/dev/ttyS5",
.deviceType = SERIAL_NS16550,
.pDeviceFns = &ns16550_fns,
.deviceProbe = NULL,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) LPC32XX_UART_5_BAUD,
.ulCtrlPort1 = LPC32XX_BASE_UART_5,
.ulCtrlPort2 = 0,
.ulDataPort = LPC32XX_BASE_UART_5,
.getRegister = lpc32xx_uart_get_register,
.setRegister = lpc32xx_uart_set_register,
.getData = NULL,
.setData = NULL,
.ulClock = 16 * LPC32XX_UART_5_BAUD,
.ulIntVector = LPC32XX_IRQ_UART_5
},
#endif
#ifdef LPC32XX_UART_3_BAUD
{
.sDeviceName = "/dev/ttyS3",
.deviceType = SERIAL_NS16550,
.pDeviceFns = &ns16550_fns,
.deviceProbe = lpc32xx_uart_probe_3,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) LPC32XX_UART_3_BAUD,
.ulCtrlPort1 = LPC32XX_BASE_UART_3,
.ulCtrlPort2 = 0,
.ulDataPort = LPC32XX_BASE_UART_3,
.getRegister = lpc32xx_uart_get_register,
.setRegister = lpc32xx_uart_set_register,
.getData = NULL,
.setData = NULL,
.ulClock = 16 * LPC32XX_UART_3_BAUD,
.ulIntVector = LPC32XX_IRQ_UART_3
},
#endif
#ifdef LPC32XX_UART_4_BAUD
{
.sDeviceName = "/dev/ttyS4",
.deviceType = SERIAL_NS16550,
.pDeviceFns = &ns16550_fns,
.deviceProbe = lpc32xx_uart_probe_4,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) LPC32XX_UART_4_BAUD,
.ulCtrlPort1 = LPC32XX_BASE_UART_4,
.ulCtrlPort2 = 0,
.ulDataPort = LPC32XX_BASE_UART_4,
.getRegister = lpc32xx_uart_get_register,
.setRegister = lpc32xx_uart_set_register,
.getData = NULL,
.setData = NULL,
.ulClock = 16 * LPC32XX_UART_4_BAUD,
.ulIntVector = LPC32XX_IRQ_UART_4
},
#endif
#ifdef LPC32XX_UART_6_BAUD
{
.sDeviceName = "/dev/ttyS6",
.deviceType = SERIAL_NS16550,
.pDeviceFns = &ns16550_fns,
.deviceProbe = lpc32xx_uart_probe_6,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) LPC32XX_UART_6_BAUD,
.ulCtrlPort1 = LPC32XX_BASE_UART_6,
.ulCtrlPort2 = 0,
.ulDataPort = LPC32XX_BASE_UART_6,
.getRegister = lpc32xx_uart_get_register,
.setRegister = lpc32xx_uart_set_register,
.getData = NULL,
.setData = NULL,
.ulClock = 16 * LPC32XX_UART_6_BAUD,
.ulIntVector = LPC32XX_IRQ_UART_6
},
#endif
#ifdef LPC32XX_UART_1_BAUD
{
.sDeviceName = "/dev/ttyS1",
.deviceType = SERIAL_CUSTOM,
.pDeviceFns = &lpc32xx_hsu_fns,
.deviceProbe = NULL,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) LPC32XX_UART_1_BAUD,
.ulCtrlPort1 = LPC32XX_BASE_UART_1,
.ulCtrlPort2 = 0,
.ulDataPort = 0,
.getRegister = NULL,
.setRegister = NULL,
.getData = NULL,
.setData = NULL,
.ulClock = 16,
.ulIntVector = LPC32XX_IRQ_UART_1
},
#endif
#ifdef LPC32XX_UART_2_BAUD
{
.sDeviceName = "/dev/ttyS2",
.deviceType = SERIAL_CUSTOM,
.pDeviceFns = &lpc32xx_hsu_fns,
.deviceProbe = NULL,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) LPC32XX_UART_2_BAUD,
.ulCtrlPort1 = LPC32XX_BASE_UART_2,
.ulCtrlPort2 = 0,
.ulDataPort = 0,
.getRegister = NULL,
.setRegister = NULL,
.getData = NULL,
.setData = NULL,
.ulClock = 16,
.ulIntVector = LPC32XX_IRQ_UART_2
},
#endif
#ifdef LPC32XX_UART_7_BAUD
{
.sDeviceName = "/dev/ttyS7",
.deviceType = SERIAL_CUSTOM,
.pDeviceFns = &lpc32xx_hsu_fns,
.deviceProbe = NULL,
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) LPC32XX_UART_7_BAUD,
.ulCtrlPort1 = LPC32XX_BASE_UART_7,
.ulCtrlPort2 = 0,
.ulDataPort = 0,
.getRegister = NULL,
.setRegister = NULL,
.getData = NULL,
.setData = NULL,
.ulClock = 16,
.ulIntVector = LPC32XX_IRQ_UART_7
},
#endif
};
#define LPC32XX_UART_COUNT \
(sizeof(Console_Configuration_Ports) / sizeof(Console_Configuration_Ports [0]))
unsigned long Console_Configuration_Count = LPC32XX_UART_COUNT;
