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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libbsp/] [powerpc/] [dmv177/] [console/] [conscfg.c] - Rev 173
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/* * This file contains the TTY driver table for the DY-4 DMV177. * * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994, 1997. * On-Line Applications Research Corporation (OAR). * All rights assigned to U.S. Government, 1994. * * $Id: conscfg.c,v 1.2 2001-09-27 12:00:32 chris Exp $ */ #include <bsp.h> #include <libchip/serial.h> #include <libchip/mc68681.h> #include <libchip/z85c30.h> /* * Configuration specific probe routines * * * NOTE: There are no DMV177 specific configuration routines. These * routines could be written to dynamically determine which serial * ports are on a board. Debugging this would require access to * multiple board models. */ /* NONE CURRENTLY PROVIDED */ /* * The following table configures the console drivers used in this BSP. * * The first entry which, when probed, is available, will be named /dev/console, * all others being given the name indicated. */ mc68681_baud_t dmv177_mc68681_baud_table[4][RTEMS_TERMIOS_NUMBER_BAUD_RATES] = { { /* ACR[7] = 0, X = 0 */ MC68681_BAUD_NOT_VALID, /* B0 */ MC68681_BAUD_NOT_VALID, /* B50 */ 0x01, /* B75 */ MC68681_BAUD_NOT_VALID, /* B110 */ 0x03, /* B134 */ MC68681_BAUD_NOT_VALID, /* B150 */ 0x04, /* B200 */ MC68681_BAUD_NOT_VALID, /* B300 */ MC68681_BAUD_NOT_VALID, /* B600 */ MC68681_BAUD_NOT_VALID, /* B1200 */ MC68681_BAUD_NOT_VALID, /* B1800 */ MC68681_BAUD_NOT_VALID, /* B2400 */ 0x0A, /* B4800 */ MC68681_BAUD_NOT_VALID, /* B9600 */ MC68681_BAUD_NOT_VALID, /* B19200 */ MC68681_BAUD_NOT_VALID, /* B38400 */ MC68681_BAUD_NOT_VALID, /* B57600 */ MC68681_BAUD_NOT_VALID, /* B115200 */ MC68681_BAUD_NOT_VALID, /* B230400 */ MC68681_BAUD_NOT_VALID /* B460800 */ }, { /* ACR[7] = 1, X = 0 */ MC68681_BAUD_NOT_VALID, /* B0 */ 0x00, /* B50 */ 0x01, /* B75 */ MC68681_BAUD_NOT_VALID, /* B110 */ MC68681_BAUD_NOT_VALID, /* B134 */ MC68681_BAUD_NOT_VALID, /* B150 */ 0x04, /* B200 */ MC68681_BAUD_NOT_VALID, /* B300 */ MC68681_BAUD_NOT_VALID, /* B600 */ 0x0A, /* B1200 */ MC68681_BAUD_NOT_VALID, /* B1800 */ MC68681_BAUD_NOT_VALID, /* B2400 */ MC68681_BAUD_NOT_VALID, /* B4800 */ MC68681_BAUD_NOT_VALID, /* B9600 */ MC68681_BAUD_NOT_VALID, /* B19200 */ MC68681_BAUD_NOT_VALID, /* B38400 */ MC68681_BAUD_NOT_VALID, /* B57600 */ MC68681_BAUD_NOT_VALID, /* B115200 */ MC68681_BAUD_NOT_VALID, /* B230400 */ MC68681_BAUD_NOT_VALID /* B460800 */ }, { /* ACR[7] = 0, X = 1 */ MC68681_BAUD_NOT_VALID, /* B0 */ 0x00, /* B50 */ 0x01, /* B75 */ MC68681_BAUD_NOT_VALID, /* B110 */ MC68681_BAUD_NOT_VALID, /* B134 */ MC68681_BAUD_NOT_VALID, /* B150 */ MC68681_BAUD_NOT_VALID, /* B200 */ MC68681_BAUD_NOT_VALID, /* B300 */ MC68681_BAUD_NOT_VALID, /* B600 */ MC68681_BAUD_NOT_VALID, /* B1200 */ MC68681_BAUD_NOT_VALID, /* B1800 */ 0x04, /* B2400 */ MC68681_BAUD_NOT_VALID, /* B4800 */ 0x05, /* B9600 */ 0x06, /* B19200 */ 0x07, /* B38400 */ MC68681_BAUD_NOT_VALID, /* B57600 */ MC68681_BAUD_NOT_VALID, /* B115200 */ MC68681_BAUD_NOT_VALID, /* B230400 */ MC68681_BAUD_NOT_VALID /* B460800 */ }, { /* ACR[7] = 1, X = 1 */ MC68681_BAUD_NOT_VALID, /* B0 */ MC68681_BAUD_NOT_VALID, /* B50 */ 0x01, /* B75 */ MC68681_BAUD_NOT_VALID, /* B110 */ 0x03, /* B134 */ MC68681_BAUD_NOT_VALID, /* B150 */ MC68681_BAUD_NOT_VALID, /* B200 */ MC68681_BAUD_NOT_VALID, /* B300 */ MC68681_BAUD_NOT_VALID, /* B600 */ MC68681_BAUD_NOT_VALID, /* B1200 */ MC68681_BAUD_NOT_VALID, /* B1800 */ 0x04, /* B2400 */ 0x0A, /* B4800 */ 0x05, /* B9600 */ 0x06, /* B19200 */ 0x07, /* B38400 */ MC68681_BAUD_NOT_VALID, /* B57600 */ MC68681_BAUD_NOT_VALID, /* B115200 */ MC68681_BAUD_NOT_VALID, /* B230400 */ MC68681_BAUD_NOT_VALID /* B460800 */ }, }; #define MC68681_PORT_CONFIG \ (MC68681_DATA_BAUD_RATE_SET_1|MC68681_XBRG_ENABLED) /* * Based on BSP configuration information decide whether to do polling IO * or interrupt driven IO. */ #if (CONSOLE_USE_INTERRUPTS) #define MC68681_FUNCTIONS &mc68681_fns #define Z85C30_FUNCTIONS &z85c30_fns #else #define MC68681_FUNCTIONS &mc68681_fns_polled #define Z85C30_FUNCTIONS &z85c30_fns_polled #endif boolean dmv177_z85c30_probe(int minor); boolean dmv177_mc68681_probe(int minor); console_tbl Console_Port_Tbl[] = { { "/dev/com0", /* sDeviceName */ SERIAL_MC68681, /* deviceType */ MC68681_FUNCTIONS, /* pDeviceFns */ dmv177_mc68681_probe, /* deviceProbe */ NULL, /* pDeviceFlow */ 16, /* ulMargin */ 8, /* ulHysteresis */ (void *)9600, /* baud rate */ /* pDeviceParams */ MC68681_ADDR, /* ulCtrlPort1 */ MC68681_PORT1_ADDR, /* ulCtrlPort2 */ MC68681_PORT_CONFIG, /* ulDataPort */ mc68681_get_register_8, /* getRegister */ mc68681_set_register_8, /* setRegister */ NULL, /* unused */ /* getData */ NULL, /* unused */ /* setData */ (unsigned32)dmv177_mc68681_baud_table, /* ulClock */ DMV170_DUART_IRQ /* ulIntVector */ }, { "/dev/com1", /* sDeviceName */ SERIAL_MC68681, /* deviceType */ MC68681_FUNCTIONS, /* pDeviceFns */ dmv177_mc68681_probe, /* deviceProbe */ NULL, /* pDeviceFlow */ 16, /* ulMargin */ 8, /* ulHysteresis */ (void *)9600, /* baud rate */ /* pDeviceParams */ MC68681_ADDR, /* ulCtrlPort1 */ MC68681_PORT2_ADDR, /* ulCtrlPort2 */ MC68681_PORT_CONFIG, /* ulDataPort */ mc68681_get_register_8, /* getRegister */ mc68681_set_register_8, /* setRegister */ NULL, /* unused */ /* getData */ NULL, /* unused */ /* setData */ (unsigned32)dmv177_mc68681_baud_table, /* ulClock */ DMV170_DUART_IRQ /* ulIntVector */ }, { "/dev/com3", /* sDeviceName */ SERIAL_Z85C30, /* deviceType */ Z85C30_FUNCTIONS, /* pDeviceFns */ dmv177_z85c30_probe, /* deviceProbe */ NULL, /* pDeviceFlow */ 16, /* ulMargin */ 8, /* ulHysteresis */ (void *)9600, /* baud rate */ /* pDeviceParams */ Z85C30_CTRL_A, /* ulCtrlPort1 */ Z85C30_CTRL_A, /* ulCtrlPort2 */ 0, /* ulDataPort */ z85c30_get_register, /* getRegister */ z85c30_set_register, /* setRegister */ NULL, /* getData */ NULL, /* setData */ 0, /* filled in by probe */ /* ulClock */ DMV170_SCC_IRQ /* ulIntVector */ }, { "/dev/com4", /* sDeviceName */ SERIAL_Z85C30, /* deviceType */ Z85C30_FUNCTIONS, /* pDeviceFns */ dmv177_z85c30_probe, /* deviceProbe */ NULL, /* pDeviceFlow */ 16, /* ulMargin */ 8, /* ulHysteresis */ (void *)9600, /* baud rate */ /* pDeviceParams */ Z85C30_CTRL_B, /* ulCtrlPort1 */ Z85C30_CTRL_A, /* ulCtrlPort2 */ 0, /* ulDataPort */ z85c30_get_register, /* getRegister */ z85c30_set_register, /* setRegister */ NULL, /* getData */ NULL, /* setData */ 0, /* filled in by probe */ /* ulClock */ DMV170_SCC_IRQ /* ulIntVector */ } }; /* * Declare some information used by the console driver */ #define NUM_CONSOLE_PORTS (sizeof(Console_Port_Tbl)/sizeof(console_tbl)) unsigned long Console_Port_Count = NUM_CONSOLE_PORTS; console_data Console_Port_Data[NUM_CONSOLE_PORTS]; rtems_device_minor_number Console_Port_Minor; /* * Hopefully, by checking the card resource register, this BSP * will be able to operate on the DMV171, DMV176, or DMV177. */ boolean dmv177_z85c30_probe(int minor) { volatile unsigned32 *dma_control_status_reg; volatile unsigned16 *card_resource_reg; unsigned16 v; card_resource_reg = (volatile unsigned16 *) DMV170_CARD_RESORCE_REG; v = *card_resource_reg & DMV170_SCC_INST_MASK; if ( v != DMV170_SCC_INSTALLED ) return FALSE; /* * Figure out the clock speed of the Z85C30 SCC */ dma_control_status_reg = (volatile unsigned32 *)DMV170_DMA_CONTROL_STATUS_REG; if ( *dma_control_status_reg & DMV170_SCC_10MHZ ) Console_Port_Tbl[minor].ulClock = Z85C30_CLOCK_10; else Console_Port_Tbl[minor].ulClock = Z85C30_CLOCK_2; return TRUE; } boolean dmv177_mc68681_probe(int minor) { volatile unsigned16 *card_resource_reg; unsigned16 v; card_resource_reg = (volatile unsigned16 *) DMV170_CARD_RESORCE_REG; v = *card_resource_reg & DMV170_DUART_INST_MASK; if ( v == DMV170_DUART_INSTALLED ) return TRUE; return FALSE; }