var_misc.c
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//==========================================================================
//
// var_misc.c
//
// HAL miscellaneous functions
//
//==========================================================================
//####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, jlarmour, nickg
// Date: 1999-04-03
// Purpose: HAL miscellaneous functions
// Description: This file contains miscellaneous functions provided by the
// HAL.
//
//####DESCRIPTIONEND####
//
//===========================================================================
#include <pkgconf/hal.h>
#include <cyg/infra/cyg_type.h>
#include <cyg/infra/cyg_trac.h> // tracing macros
#include <cyg/infra/cyg_ass.h> // assertion macros
#include <cyg/infra/diag.h> // diag_printf
#include <cyg/hal/hal_arch.h> // HAL header
#include <cyg/hal/hal_cache.h> // HAL cache
#include <cyg/hal/hal_intr.h> // HAL interrupts/exceptions
//---------------------------------------------------------------------------
// Initial cache enabling
#ifdef CYGHWR_HAL_SH_CACHE_MODE_P0_WRITE_BACK
# define CACHE_MODE_P0 0
#else
# define CACHE_MODE_P0 CYGARC_REG_CCR_WT
#endif
#ifdef CYGHWR_HAL_SH_CACHE_MODE_P1_WRITE_BACK
# define CACHE_MODE_P1 CYGARC_REG_CCR_CB
#else
# define CACHE_MODE_P1 0
#endif
externC void
cyg_var_enable_caches(void)
{
// If relying on a ROM monitor do not invalidate the caches as the
// ROM monitor may have (non-synced) state in the caches.
#if !defined(CYGSEM_HAL_USE_ROM_MONITOR)
// Initialize cache.
HAL_UCACHE_INVALIDATE_ALL();
// Set cache modes
HAL_UCACHE_WRITE_MODE_SH(CACHE_MODE_P0|CACHE_MODE_P1);
#endif
#ifdef CYGHWR_HAL_SH_CACHE_ENABLE
// Enable cache.
HAL_UCACHE_ENABLE();
#endif
}
//---------------------------------------------------------------------------
void
hal_variant_init(void)
{
}
//---------------------------------------------------------------------------
// Interrupt function support
externC cyg_uint8 cyg_hal_ILVL_table[];
externC cyg_uint8 cyg_hal_IMASK_table[];
static void
hal_interrupt_update_level(int vector)
{
cyg_uint16 iprX;
int level;
level = cyg_hal_IMASK_table[vector] ? cyg_hal_ILVL_table[vector] : 0;
switch( (vector) ) {
/* IPRA */
case CYGNUM_HAL_INTERRUPT_TMU0_TUNI0:
HAL_READ_UINT16(CYGARC_REG_IPRA, iprX);
iprX &= ~CYGARC_REG_IPRA_TMU0_MASK;
iprX |= (level)*CYGARC_REG_IPRA_TMU0_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX);
break;
case CYGNUM_HAL_INTERRUPT_TMU1_TUNI1:
HAL_READ_UINT16(CYGARC_REG_IPRA, iprX);
iprX &= ~CYGARC_REG_IPRA_TMU1_MASK;
iprX |= (level)*CYGARC_REG_IPRA_TMU1_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX);
break;
case CYGNUM_HAL_INTERRUPT_TMU2_TUNI2:
case CYGNUM_HAL_INTERRUPT_TMU2_TICPI2:
HAL_READ_UINT16(CYGARC_REG_IPRA, iprX);
iprX &= ~CYGARC_REG_IPRA_TMU2_MASK;
iprX |= (level)*CYGARC_REG_IPRA_TMU2_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX);
break;
case CYGNUM_HAL_INTERRUPT_RTC_ATI:
case CYGNUM_HAL_INTERRUPT_RTC_PRI:
case CYGNUM_HAL_INTERRUPT_RTC_CUI:
HAL_READ_UINT16(CYGARC_REG_IPRA, iprX);
iprX &= ~CYGARC_REG_IPRA_RTC_MASK;
iprX |= (level)*CYGARC_REG_IPRA_RTC_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX);
break;
/* IPRB */
case CYGNUM_HAL_INTERRUPT_SCI_ERI:
case CYGNUM_HAL_INTERRUPT_SCI_RXI:
case CYGNUM_HAL_INTERRUPT_SCI_TXI:
case CYGNUM_HAL_INTERRUPT_SCI_TEI:
HAL_READ_UINT16(CYGARC_REG_IPRB, iprX);
iprX &= ~CYGARC_REG_IPRB_SCI_MASK;
iprX |= (level)*CYGARC_REG_IPRB_SCI_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRB, iprX);
break;
case CYGNUM_HAL_INTERRUPT_WDT_ITI:
HAL_READ_UINT16(CYGARC_REG_IPRB, iprX);
iprX &= ~CYGARC_REG_IPRB_WDT_MASK;
iprX |= (level)*CYGARC_REG_IPRB_WDT_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRB, iprX);
break;
case CYGNUM_HAL_INTERRUPT_REF_RCMI:
case CYGNUM_HAL_INTERRUPT_REF_ROVI:
HAL_READ_UINT16(CYGARC_REG_IPRB, iprX);
iprX &= ~CYGARC_REG_IPRB_REF_MASK;
iprX |= (level)*CYGARC_REG_IPRB_REF_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRB, iprX);
break;
#if (CYGARC_SH_MOD_INTC >= 2)
#ifndef CYGHWR_HAL_SH_IRQ_USE_IRQLVL
/* IPRC */
case CYGNUM_HAL_INTERRUPT_IRQ_IRQ0:
HAL_READ_UINT16(CYGARC_REG_IPRC, iprX);
iprX &= ~CYGARC_REG_IPRC_IRQ0_MASK;
iprX |= (level)*CYGARC_REG_IPRC_IRQ0_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRC, iprX);
break;
case CYGNUM_HAL_INTERRUPT_IRQ_IRQ1:
HAL_READ_UINT16(CYGARC_REG_IPRC, iprX);
iprX &= ~CYGARC_REG_IPRC_IRQ1_MASK;
iprX |= (level)*CYGARC_REG_IPRC_IRQ1_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRC, iprX);
break;
case CYGNUM_HAL_INTERRUPT_IRQ_IRQ2:
HAL_READ_UINT16(CYGARC_REG_IPRC, iprX);
iprX &= ~CYGARC_REG_IPRC_IRQ2_MASK;
iprX |= (level)*CYGARC_REG_IPRC_IRQ2_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRC, iprX);
break;
case CYGNUM_HAL_INTERRUPT_IRQ_IRQ3:
HAL_READ_UINT16(CYGARC_REG_IPRC, iprX);
iprX &= ~CYGARC_REG_IPRC_IRQ3_MASK;
iprX |= (level)*CYGARC_REG_IPRC_IRQ3_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRC, iprX);
break;
#endif
/* IPRD */
case CYGNUM_HAL_INTERRUPT_PINT_PINT07:
HAL_READ_UINT16(CYGARC_REG_IPRD, iprX);
iprX &= ~CYGARC_REG_IPRD_PINT07_MASK;
iprX |= (level)*CYGARC_REG_IPRD_PINT07_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRD, iprX);
break;
case CYGNUM_HAL_INTERRUPT_PINT_PINT8F:
HAL_READ_UINT16(CYGARC_REG_IPRD, iprX);
iprX &= ~CYGARC_REG_IPRD_PINT8F_MASK;
iprX |= (level)*CYGARC_REG_IPRD_PINT8F_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRD, iprX);
break;
case CYGNUM_HAL_INTERRUPT_IRQ_IRQ5:
HAL_READ_UINT16(CYGARC_REG_IPRD, iprX);
iprX &= ~CYGARC_REG_IPRD_IRQ5_MASK;
iprX |= (level)*CYGARC_REG_IPRD_IRQ5_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRD, iprX);
break;
case CYGNUM_HAL_INTERRUPT_IRQ_IRQ4:
HAL_READ_UINT16(CYGARC_REG_IPRD, iprX);
iprX &= ~CYGARC_REG_IPRD_IRQ4_MASK;
iprX |= (level)*CYGARC_REG_IPRD_IRQ4_PRI1;
HAL_WRITE_UINT16(CYGARC_REG_IPRD, iprX);
break;
/* IPRE */
case CYGNUM_HAL_INTERRUPT_DMAC_DEI0:
case CYGNUM_HAL_INTERRUPT_DMAC_DEI1:
case CYGNUM_HAL_INTERRUPT_DMAC_DEI2:
case CYGNUM_HAL_INTERRUPT_DMAC_DEI3:
HAL_READ_UINT16(CYGARC_REG_IPRE, iprX);
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