53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/*
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* \brief Pbxa9 specific platform implementation
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* \author Stefan Kalkowski
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* \date 2016-10-20
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*/
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/*
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* Copyright (C) 2016-2017 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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/* bootstrap includes */
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#include <platform.h>
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using namespace Board;
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Bootstrap::Platform::Board::Board()
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: early_ram_regions(Memory_region { RAM_0_BASE, RAM_0_SIZE },
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Memory_region { RAM_1_BASE, RAM_1_SIZE }),
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core_mmio(Memory_region { CORTEX_A9_PRIVATE_MEM_BASE,
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CORTEX_A9_PRIVATE_MEM_SIZE },
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Memory_region { PL011_0_MMIO_BASE,
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PL011_0_MMIO_SIZE },
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Memory_region { PL310_MMIO_BASE,
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PL310_MMIO_SIZE }) { }
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bool Bootstrap::Cpu::errata(Bootstrap::Cpu::Errata) { return false; }
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void Bootstrap::Cpu::wake_up_all_cpus(void * const ip)
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{
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/**
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* set the entrypoint for the other CPUs via the flags register
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* of the system control registers. ARMs boot monitor code will
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* read out this register and jump to it after the cpu received
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* an interrupt
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*/
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struct System_control : Genode::Mmio
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{
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struct Flagsset : Register<0x30, 32> { };
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struct Flagsclr : Register<0x34, 32> { };
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System_control(void * const ip) : Mmio(SYSTEM_CONTROL_MMIO_BASE)
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{
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write<Flagsclr>(~0UL);
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write<Flagsset>(reinterpret_cast<Flagsset::access_t>(ip));
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}
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} sc(ip);
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}
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