genode/repos/base-hw/src/core/spec/imx6/platform_support.cc

75 lines
1.7 KiB
C++

/*
* \brief Specific core implementations
* \author Stefan Kalkowski
* \author Josef Soentgen
* \author Martin Stein
* \date 2014-02-25
*/
/*
* Copyright (C) 2014-2016 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* core includes */
#include <platform.h>
#include <cpu.h>
using namespace Genode;
Native_region * Platform::_ram_regions(unsigned const i)
{
static Native_region _regions[] =
{
{ Board::RAM0_BASE, Board::RAM0_SIZE }
};
return i < sizeof(_regions)/sizeof(_regions[0]) ? &_regions[i] : 0;
}
Native_region * mmio_regions(unsigned const i)
{
static Native_region _regions[] =
{
{ Board::MMIO_BASE, Board::MMIO_SIZE }
};
return i < sizeof(_regions)/sizeof(_regions[0]) ? &_regions[i] : 0;
}
Native_region * Platform::_core_only_mmio_regions(unsigned const i)
{
static Native_region _regions[] =
{
/* core UART */
{ Board::UART_1_MMIO_BASE, Board::UART_1_MMIO_SIZE },
/* CPU-local core MMIO like interrupt controller and timer */
{ Board::CORTEX_A9_PRIVATE_MEM_BASE, Board::CORTEX_A9_PRIVATE_MEM_SIZE },
/* l2 cache controller */
{ Board::PL310_MMIO_BASE, Board::PL310_MMIO_SIZE }
};
return i < sizeof(_regions)/sizeof(_regions[0]) ? &_regions[i] : 0;
}
Cpu::User_context::User_context() { cpsr = Psr::init_user(); }
bool Cortex_a9::Board::errata(Cortex_a9::Board::Errata err)
{
switch (err) {
case Cortex_a9::Board::ARM_754322:
case Cortex_a9::Board::ARM_764369:
case Cortex_a9::Board::ARM_775420:
case Cortex_a9::Board::PL310_588369:
case Cortex_a9::Board::PL310_727915:
case Cortex_a9::Board::PL310_769419:
return true;
};
return false;
}