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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [sh/] [se77x9/] [v2_0/] [src/] [smsc37c93x.c] - Rev 584
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//============================================================================= // // smsc37c93x.c // // Init code for SMSC 37C93x super IO controller // //============================================================================= //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos 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 or (at your option) any later version. // // eCos 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 eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //============================================================================= //#####DESCRIPTIONBEGIN#### // // Author(s): jskov // Contributors:jskov // Date: 2001-05-30 // Description: Init code for SMSC 37C93x super IO controller // //####DESCRIPTIONEND#### // //============================================================================= #include <pkgconf/hal.h> #include CYGBLD_HAL_PLATFORM_H #include <cyg/hal/hal_arch.h> // SAVE/RESTORE GP macros #include <cyg/hal/hal_io.h> // IO macros #include <cyg/hal/hal_intr.h> // interrupt vectors // From page 137+ in SMSC-37C93x.pdf #define SMSC_CONFIG 0xb04007e0 #define SMSC_CONFIG_DATA 0xb04007e2 #define SMSC_CONFIG_DEV 0x0700 #define SMSC_CONFIG_POWER 0x2200 #define SMSC_CONFIG_ACTIVATE 0x3000 #define SMSC_CONFIG_ENTER 0x5500 #define SMSC_CONFIG_BASE_HIGH 0x6000 #define SMSC_CONFIG_BASE_LOW 0x6100 #define SMSC_CONFIG_IRQ 0x7000 #define SMSC_CONFIG_EXIT 0xaa00 #define SMSC_CONFIG_MODE 0xf000 #define SMSC_CONFIG_DEV_COM1 0x0400 #define SMSC_CONFIG_DEV_COM2 0x0500 #define SMSC_CONFIG_MODE_HIGH 0x0200 #define SMSC_CONFIG_ACTIVATE_ENABLE 0x0100 #define SMSC_CONFIG_POWER_COM1 0x1000 #define SMSC_CONFIG_POWER_COM2 0x2000 void cyg_hal_init_superIO(void) { // Note: two writes unlike the 37m81x! HAL_WRITE_UINT16(SMSC_CONFIG, SMSC_CONFIG_ENTER); HAL_WRITE_UINT16(SMSC_CONFIG, SMSC_CONFIG_ENTER); // Power ON COM1 HAL_WRITE_UINT16(SMSC_CONFIG_POWER, SMSC_CONFIG_POWER_COM1); // Configure and enable COM1 HAL_WRITE_UINT16(SMSC_CONFIG, SMSC_CONFIG_DEV); HAL_WRITE_UINT16(SMSC_CONFIG_DATA, SMSC_CONFIG_DEV_COM1); HAL_WRITE_UINT16(SMSC_CONFIG, SMSC_CONFIG_BASE_HIGH); HAL_WRITE_UINT16(SMSC_CONFIG_DATA, 0x0300); HAL_WRITE_UINT16(SMSC_CONFIG, SMSC_CONFIG_BASE_LOW); HAL_WRITE_UINT16(SMSC_CONFIG_DATA, 0xf800); // Select IRQ 4 (see chap 8. Interrupt Controller) HAL_WRITE_UINT16(SMSC_CONFIG, SMSC_CONFIG_IRQ); HAL_WRITE_UINT16(SMSC_CONFIG_DATA, 4<<8); HAL_WRITE_UINT16(SMSC_CONFIG, SMSC_CONFIG_MODE); HAL_WRITE_UINT16(SMSC_CONFIG_DATA, SMSC_CONFIG_MODE_HIGH); HAL_WRITE_UINT16(SMSC_CONFIG, SMSC_CONFIG_ACTIVATE); HAL_WRITE_UINT16(SMSC_CONFIG_DATA, SMSC_CONFIG_ACTIVATE_ENABLE); // Exit setup mode HAL_WRITE_UINT16(SMSC_CONFIG, SMSC_CONFIG_EXIT); } //----------------------------------------------------------------------------- // end of smsc37c93x.c
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