82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
/*
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* \brief Pandaboard specific definitions
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* \author Stefan Kalkowski
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* \date 2017-02-20
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*/
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/*
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* Copyright (C) 2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _SRC__BOOTSTRAP__SPEC__PANDA__BOARD_H_
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#define _SRC__BOOTSTRAP__SPEC__PANDA__BOARD_H_
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#include <hw/spec/arm/panda_board.h>
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#include <spec/arm/cortex_a9_page_table.h>
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#include <spec/arm/cpu.h>
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#include <hw/spec/arm/gicv2.h>
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namespace Board {
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using namespace Hw::Panda_board;
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using Pic = Hw::Gicv2;
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static constexpr bool NON_SECURE = false;
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class L2_cache;
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}
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namespace Bootstrap { struct Actlr; }
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struct Bootstrap::Actlr
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{
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static void enable_smp()
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{
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using namespace Board;
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call_panda_firmware(CPU_ACTLR_SMP_BIT_RAISE, 0);
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}
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static void disable_smp() { /* not implemented */ }
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};
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class Board::L2_cache : Hw::Pl310
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{
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private:
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unsigned long _init_value()
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{
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Aux::access_t v = 0;
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Aux::Associativity::set(v, Aux::Associativity::WAY_16);
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Aux::Way_size::set(v, Aux::Way_size::KB_64);
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Aux::Share_override::set(v, true);
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Aux::Replacement_policy::set(v, Aux::Replacement_policy::PRAND);
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Aux::Ns_lockdown::set(v, true);
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Aux::Ns_irq_ctrl::set(v, true);
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Aux::Data_prefetch::set(v, true);
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Aux::Inst_prefetch::set(v, true);
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Aux::Early_bresp::set(v, true);
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return v;
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}
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public:
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L2_cache(Genode::addr_t mmio) : Hw::Pl310(mmio) {
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call_panda_firmware(L2_CACHE_AUX_REG, _init_value()); }
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using Hw::Pl310::invalidate;
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void enable()
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{
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call_panda_firmware(L2_CACHE_ENABLE_REG, 1);
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Pl310::mask_interrupts();
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}
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void disable() {
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call_panda_firmware(L2_CACHE_ENABLE_REG, 0); }
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};
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#endif /* _SRC__BOOTSTRAP__SPEC__PANDA__BOARD_H_ */
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