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//=============================================================================
//
// hal_aux.c
//
// HAL auxiliary objects and code; per platform
//
//=============================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 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): hmt
// Contributors:hmt
// Date: 1999-06-08
// Purpose: HAL aux objects: startup tables.
// Description: Tables for per-platform initialization
//
//####DESCRIPTIONEND####
//
//=============================================================================
#include <pkgconf/hal.h>
#include <pkgconf/hal_powerpc_quicc.h>
#include <cyg/infra/cyg_type.h>
#include <cyg/hal/hal_mem.h> // HAL memory definitions
#define CYGARC_HAL_COMMON_EXPORT_CPU_MACROS
#include <cyg/hal/ppc_regs.h>
#include <cyg/hal/quicc/ppc8xx.h>
#include <cyg/hal/hal_if.h> // hal_if_init
#include <cyg/hal/hal_io.h>
#include CYGHWR_MEMORY_LAYOUT_H
// The memory map is weakly defined, allowing the application to redefine
// it if necessary. The regions defined below are the minimum requirements.
CYGARC_MEMDESC_TABLE CYGBLD_ATTRIB_WEAK = {
// Mapping for the Adder 85x development boards
CYGARC_MEMDESC_CACHE( 0xfe000000, 0x00800000 ), // ROM region
CYGARC_MEMDESC_NOCACHE( 0xff000000, 0x00100000 ), // MCP registers
CYGARC_MEMDESC_NOCACHE( 0xfa000000, 0x00400000 ), // Control/Status+LEDs
CYGARC_MEMDESC_CACHE( CYGMEM_REGION_ram, CYGMEM_REGION_ram_SIZE ), // Main memory
CYGARC_MEMDESC_TABLE_END
};
void
_adder_set_leds(int pat);
//--------------------------------------------------------------------------
// Platform init code.
void
hal_platform_init(void)
{
volatile EPPC *eppc = (volatile EPPC *)eppc_base();
// Special routing information for CICR
eppc->cpmi_cicr &= ~0xFF0000; // Routing bits
eppc->cpmi_cicr |= 0x240000; // SCC2, SCC3 on "normal" bit positions
#if defined(CYGHWR_HAL_POWERPC_ADDER_I)
eppc->pip_pbpar &= ~0x0000400E; // PB29..30 AS GPIO
eppc->pip_pbdir |= 0x0000400E;
eppc->pip_pbdat = 0x00004000;
#endif
#if defined(CYGHWR_HAL_POWERPC_ADDER_II)
#if defined(CYGHWR_HAL_POWERPC_MPC8XX_852T)
// Special settings - according to manual errata
eppc->pio_papar &= ~0xffffffff; // PA manatory settings
eppc->pio_padir |= 0xffffffff;
eppc->pip_pbpar &= ~0x0003ff07; // PB29..31 AS GPIO
eppc->pip_pbdir |= 0x0003ff07;
eppc->pip_pbdat = 0x00010007;
eppc->pio_pcpar &= ~0xffffffff; // PC manatory settings
eppc->pio_pcdir |= 0xffffffff;
#endif
eppc->pip_pbpar &= ~0x00000007; // PB29..31 AS GPIO for LEDS
eppc->pip_pbdir |= 0x00000007;
eppc->pip_pbdat |= 0x00000007;
#endif
hal_if_init();
_adder_set_leds(0x1);
}
#ifdef CYGHWR_HAL_POWERPC_ADDER_I
void
_adder_set_leds(int pat)
{
volatile EPPC *eppc = (volatile EPPC *)eppc_base();
eppc->pip_pbdat = (eppc->pip_pbdat & ~0x0000000E) | (pat << 1);
}
int
_adder_get_leds(void)
{
volatile EPPC *eppc = (volatile EPPC *)eppc_base();
return ((eppc->pip_pbdat & 0x0000000E) >> 1);
}
#endif
#ifdef CYGHWR_HAL_POWERPC_ADDER_II
void
_adder_set_leds(int pat)
{
volatile EPPC *eppc = (volatile EPPC *)eppc_base();
eppc->pip_pbdat = (eppc->pip_pbdat & ~0x00000007) |(~(pat&0x0007) );
}
int
_adder_get_leds(void)
{
volatile EPPC *eppc = (volatile EPPC *)eppc_base();
return ((~(eppc->pip_pbdat & 0x00000007)) & 0x0007 );
}
#endif
// EOF hal_aux.c
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