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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [h8300/] [aki3068net/] [current/] [src/] [plf_ide.c] - Rev 786
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//========================================================================== // // plf_ide.c // // HAL platform IDE support function // //========================================================================== // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, 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., // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 v2. // // This exception does not invalidate any other reasons why a work based // on this file might be covered by the GNU General Public License. // ------------------------------------------- // ####ECOSGPLCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): ysato // Contributors: ysato // Date: 2003-02-28 // Purpose: HAL IDE support function // Description: This file contains IDE support functions provided by the // HAL. // //####DESCRIPTIONEND#### // //========================================================================*/ #include <pkgconf/hal.h> #include <cyg/infra/cyg_type.h> // Base types #include <cyg/hal/hal_arch.h> // architectural definitions #include <cyg/hal/hal_io.h> #include <cyg/hal/hal_if.h> #include <cyg/hal/hal_endian.h> #include <cyg/hal/plf_intr.h> #include <cyg/hal/var_arch.h> /*------------------------------------------------------------------------*/ #if CYGINT_HAL_PLF_IF_IDE != 0 #define IDE_REG_FEATUERS 1 #define IDE_REG_COMMAND 7 int aki3068net_ide_setup(void) { #if CYGHWR_HAL_IDE_BUSWIDTH == 8 aki3068net_write_command(IDE_REG_FEATUERS,0x01); /* 8bit transfer mode */ aki3068net_write_command(IDE_REG_COMMAND, 0xef); /* set featuers */ #endif return HAL_IDE_NUM_CONTROLLERS; } void aki3068net_read_command(cyg_uint16 r, cyg_uint8 *d) { #if CYGHWR_HAL_IDE_BUSWIDTH == 8 *d = *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_REGISTER + r); #else *d = *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_REGISTER + (r << 1) + 1); #endif } void aki3068net_read_data (cyg_uint16 r, cyg_uint16 *d) { #if CYGHWR_HAL_IDE_BUSWIDTH == 8 *d = *(volatile cyg_uint16 *)(CYGHWR_HAL_IDE_REGISTER + r); #else cyg_uint16 dt; dt = *(volatile cyg_uint16 *)(CYGHWR_HAL_IDE_REGISTER + (r << 1)); *d = CYG_LE16_TO_CPU(dt); #endif } void aki3068net_read_control(cyg_uint8 *d) { #if CYGHWR_HAL_IDE_BUSWIDTH == 8 *d = *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_ALT_REGS + 6); #else *d = *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_ALT_REGS + 12 + 1); #endif } void aki3068net_write_command(cyg_uint16 r, cyg_uint8 d) { #if CYGHWR_HAL_IDE_BUSWIDTH == 8 *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_REGISTER + r) = d; #else *(volatile cyg_uint16 *)(CYGHWR_HAL_IDE_REGISTER + (r << 1)) = d; #endif } void aki3068net_write_data (cyg_uint16 r, cyg_uint16 d) { #if CYGHWR_HAL_IDE_BUSWIDTH == 8 *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_REGISTER + r) = d; #else *(volatile CYG_WORD16 *)(CYGHWR_HAL_IDE_REGISTER + (r <<1)) = CYG_CPU_TO_LE16(d); #endif } void aki3068net_write_control(cyg_uint8 d) { #if CYGHWR_HAL_IDE_BUSWIDTH == 8 *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_ALT_REGS + 6) = d; #else *(volatile cyg_uint16 *)(CYGHWR_HAL_IDE_ALT_REGS + 12) = d; #endif } #endif //CYGINT_HAL_PLF_IF_IDE != 0 /*------------------------------------------------------------------------*/ /* End of plf_ide.c */