86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
/*
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* Copyright (c) 2021 Weidmueller Interface GmbH & Co. KG
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <device.h>
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#include <devicetree.h>
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#include <init.h>
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#include <sys/util.h>
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#include <arch/arm/aarch32/mmu/arm_mmu.h>
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#include "soc.h"
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static const struct arm_mmu_region mmu_regions[] = {
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MMU_REGION_FLAT_ENTRY("vectors",
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0x00000000,
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0x1000,
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MT_STRONGLY_ORDERED | MPERM_R | MPERM_X),
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MMU_REGION_FLAT_ENTRY("slcr",
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0xF8000000,
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0x1000,
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MT_STRONGLY_ORDERED | MPERM_R | MPERM_W),
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MMU_REGION_FLAT_ENTRY("mpcore",
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0xF8F00000,
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0x2000,
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MT_STRONGLY_ORDERED | MPERM_R | MPERM_W),
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MMU_REGION_FLAT_ENTRY("ocm",
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DT_REG_ADDR(DT_CHOSEN(zephyr_ocm)),
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DT_REG_SIZE(DT_CHOSEN(zephyr_ocm)),
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MT_STRONGLY_ORDERED | MPERM_R | MPERM_W),
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/* ARM Arch timer, GIC are covered by the MPCore mapping */
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/* UARTs */
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#if DT_NODE_HAS_STATUS(DT_NODELABEL(uart0), okay)
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MMU_REGION_FLAT_ENTRY("uart0",
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DT_REG_ADDR(DT_NODELABEL(uart0)),
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DT_REG_SIZE(DT_NODELABEL(uart0)),
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MT_DEVICE | MATTR_SHARED | MPERM_R | MPERM_W),
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#endif
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#if DT_NODE_HAS_STATUS(DT_NODELABEL(uart1), okay)
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MMU_REGION_FLAT_ENTRY("uart1",
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DT_REG_ADDR(DT_NODELABEL(uart1)),
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DT_REG_SIZE(DT_NODELABEL(uart1)),
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MT_DEVICE | MATTR_SHARED | MPERM_R | MPERM_W),
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#endif
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/* GEMs */
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#if DT_NODE_HAS_STATUS(DT_NODELABEL(gem0), okay)
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MMU_REGION_FLAT_ENTRY("gem0",
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DT_REG_ADDR(DT_NODELABEL(gem0)),
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DT_REG_SIZE(DT_NODELABEL(gem0)),
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MT_DEVICE | MATTR_SHARED | MPERM_R | MPERM_W),
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#endif
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#if DT_NODE_HAS_STATUS(DT_NODELABEL(gem1), okay)
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MMU_REGION_FLAT_ENTRY("gem1",
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DT_REG_ADDR(DT_NODELABEL(gem1)),
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DT_REG_SIZE(DT_NODELABEL(gem1)),
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MT_DEVICE | MATTR_SHARED | MPERM_R | MPERM_W),
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#endif
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};
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const struct arm_mmu_config mmu_config = {
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.num_regions = ARRAY_SIZE(mmu_regions),
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.mmu_regions = mmu_regions,
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};
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/**
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* @brief Basic hardware initialization of the Zynq-7000 SoC
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*
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* Performs the basic initialization of the Zynq-7000 SoC.
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*
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* @return 0
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*/
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static int soc_xlnx_zynq7000s_init(const struct device *arg)
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{
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ARG_UNUSED(arg);
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NMI_INIT();
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return 0;
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}
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SYS_INIT(soc_xlnx_zynq7000s_init, PRE_KERNEL_1,
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CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
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/* EOF */
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