genode/repos/base-hw/src/core/spec/panda/board.h
2017-05-31 13:16:10 +02:00

68 lines
1.4 KiB
C++

/*
* \brief Board driver for core on pandaboard
* \author Stefan Kalkowski
* \author Martin Stein
* \date 2014-06-02
*/
/*
* Copyright (C) 2014-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _CORE__SPEC__PANDA__BOARD_H_
#define _CORE__SPEC__PANDA__BOARD_H_
/* base includes */
#include <drivers/defs/panda.h>
#include <drivers/uart/tl16c750.h>
#include <hw/spec/arm/cortex_a9.h>
#include <hw/spec/arm/pl310.h>
#include <hw/spec/arm/panda_trustzone_firmware.h>
namespace Board {
using namespace Panda;
using Cpu_mmio = Hw::Cortex_a9_mmio<CORTEX_A9_PRIVATE_MEM_BASE>;
using Serial = Genode::Tl16c750_uart;
enum {
UART_BASE = TL16C750_3_MMIO_BASE,
UART_CLOCK = TL16C750_CLOCK,
};
static constexpr bool SMP = true;
class L2_cache : public Hw::Pl310
{
private:
unsigned long _debug_value()
{
Debug::access_t v = 0;
Debug::Dwb::set(v, 1);
Debug::Dcl::set(v, 1);
return v;
}
public:
L2_cache(Genode::addr_t mmio) : Hw::Pl310(mmio) { }
void clean_invalidate()
{
using namespace Hw;
call_panda_firmware(L2_CACHE_SET_DEBUG_REG, _debug_value());
Pl310::clean_invalidate();
call_panda_firmware(L2_CACHE_SET_DEBUG_REG, 0);
}
};
L2_cache & l2_cache();
}
#endif /* _CORE__SPEC__PANDA__BOARD_H_ */