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#ifndef CYGONCE_PLF_IO_H
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#define CYGONCE_PLF_IO_H
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//=============================================================================
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//
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// plf_io.h
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//
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// Platform specific IO support
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//
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//=============================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): dmoseley
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// Contributors: dmoseley
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// Date: 2000-08-11
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// Purpose: ASB2303 platform IO support
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// Description:
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// Usage: #include <cyg/hal/plf_io.h>
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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#include <pkgconf/hal.h>
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#ifdef __ASSEMBLER__
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#define HAL_REG_8(x) x
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#define HAL_REG_16(x) x
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#define HAL_REG_32(x) x
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#else
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#define HAL_REG_8(x) (volatile cyg_uint8*)(x)
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#define HAL_REG_16(x) (volatile cyg_uint16*)(x)
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#define HAL_REG_32(x) (volatile cyg_uint32*)(x)
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#endif
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//-----------------------------------------------------------------------------
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/* ASB GPIO Registers */
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#define HAL_GPIO_BASE 0xDB000000
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#define HAL_GPIO_0_MODE_OFFSET 0x0000
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#define HAL_GPIO_0_IN_OFFSET 0x0004
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#define HAL_GPIO_0_OUT_OFFSET 0x0008
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#define HAL_GPIO_1_MODE_OFFSET 0x0100
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#define HAL_GPIO_1_IN_OFFSET 0x0104
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#define HAL_GPIO_1_OUT_OFFSET 0x0108
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#define HAL_GPIO_2_MODE_OFFSET 0x0200
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#define HAL_GPIO_2_IN_OFFSET 0x0204
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#define HAL_GPIO_2_OUT_OFFSET 0x0208
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#define HAL_GPIO_3_MODE_OFFSET 0x0300
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#define HAL_GPIO_3_IN_OFFSET 0x0304
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#define HAL_GPIO_3_OUT_OFFSET 0x0308
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#define HAL_GPIO_4_MODE_OFFSET 0x0400
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#define HAL_GPIO_4_IN_OFFSET 0x0404
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#define HAL_GPIO_4_OUT_OFFSET 0x0408
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#define HAL_GPIO_5_MODE_OFFSET 0x0500
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#define HAL_GPIO_5_IN_OFFSET 0x0504
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#define HAL_GPIO_5_OUT_OFFSET 0x0508
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#define HAL_GPIO_0_MODE HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_0_MODE_OFFSET)
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#define HAL_GPIO_0_IN HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_0_IN_OFFSET)
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#define HAL_GPIO_0_OUT HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_0_OUT_OFFSET)
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#define HAL_GPIO_1_MODE HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_1_MODE_OFFSET)
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#define HAL_GPIO_1_IN HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_1_IN_OFFSET)
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#define HAL_GPIO_1_OUT HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_1_OUT_OFFSET)
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#define HAL_GPIO_2_MODE HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_2_MODE_OFFSET)
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#define HAL_GPIO_2_IN HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_2_IN_OFFSET)
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#define HAL_GPIO_2_OUT HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_2_OUT_OFFSET)
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#define HAL_GPIO_3_MODE HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_3_MODE_OFFSET)
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#define HAL_GPIO_3_IN HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_3_IN_OFFSET)
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#define HAL_GPIO_3_OUT HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_3_OUT_OFFSET)
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#define HAL_GPIO_4_MODE HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_4_MODE_OFFSET)
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#define HAL_GPIO_4_IN HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_4_IN_OFFSET)
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#define HAL_GPIO_4_OUT HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_4_OUT_OFFSET)
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#define HAL_GPIO_5_MODE HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_5_MODE_OFFSET)
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#define HAL_GPIO_5_IN HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_5_IN_OFFSET)
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#define HAL_GPIO_5_OUT HAL_REG_8 (HAL_GPIO_BASE + HAL_GPIO_5_OUT_OFFSET)
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//-----------------------------------------------------------------------------
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#define HAL_LED_ADDRESS HAL_GPIO_0_OUT
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#define HAL_GPIO_MODE_ALL_OUTPUT 0x5555
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#ifdef __ASSEMBLER__
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# include <cyg/hal/platform.inc>
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# define DEBUG_DISPLAY(hexdig) hal_diag_led hexdig
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# define DEBUG_DELAY() \
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mov 0x20000, d0; \
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0: sub 1, d0; \
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bne 0b; \
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nop
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#else
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extern cyg_uint8 led_val(CYG_WORD hexdig);
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# define DEBUG_DISPLAY(hexdig) HAL_WRITE_UINT8(HAL_LED_ADDRESS, led_val(hexdig))
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# define DEBUG_DELAY() \
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{ \
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volatile int i = 0x80000; \
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while (--i) ; \
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}
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#endif
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//-----------------------------------------------------------------------------
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// end of plf_io.h
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#endif // CYGONCE_PLF_IO_H
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