51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
/*
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* \brief Parts of platform that are specific to Pandaboard
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* \author Stefan Kalkowski
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* \date 2017-01-30
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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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#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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core_mmio(Memory_region { CORTEX_A9_PRIVATE_MEM_BASE,
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CORTEX_A9_PRIVATE_MEM_SIZE },
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Memory_region { TL16C750_3_MMIO_BASE,
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TL16C750_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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struct Wakeup_generator : Genode::Mmio
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{
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struct Aux_core_boot_0 : Register<0x800, 32> {
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struct Cpu1_status : Bitfield<2, 2> { }; };
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struct Aux_core_boot_1 : Register<0x804, 32> { };
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Wakeup_generator(void * const ip) : Mmio(CORTEX_A9_WUGEN_MMIO_BASE)
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{
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write<Aux_core_boot_1>((addr_t)ip);
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write<Aux_core_boot_0::Cpu1_status>(1);
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}
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};
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Wakeup_generator wgen(ip);
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asm volatile("dsb\n"
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"sev\n");
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}
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