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![Siva Durga Prasad Paladugu](/assets/img/avatar_default.png)
This patch adds new config option which is used for reserving a specific memory for MMU Table and in this case we are using TCM for that purpose. Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2016 - 2018 Xilinx, Inc.
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* Michal Simek <michal.simek@xilinx.com>
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*/
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#include <common.h>
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#include <asm/armv8/mmu.h>
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#include <asm/io.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/sys_proto.h>
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DECLARE_GLOBAL_DATA_PTR;
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static struct mm_region versal_mem_map[] = {
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{
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.virt = 0x0UL,
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.phys = 0x0UL,
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.size = 0x80000000UL,
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.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
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PTE_BLOCK_INNER_SHARE
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}, {
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.virt = 0x80000000UL,
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.phys = 0x80000000UL,
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.size = 0x70000000UL,
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.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
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PTE_BLOCK_NON_SHARE |
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PTE_BLOCK_PXN | PTE_BLOCK_UXN
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}, {
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.virt = 0xf0000000UL,
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.phys = 0xf0000000UL,
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.size = 0x0fe00000UL,
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.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
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PTE_BLOCK_NON_SHARE |
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PTE_BLOCK_PXN | PTE_BLOCK_UXN
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}, {
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.virt = 0xffe00000UL,
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.phys = 0xffe00000UL,
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.size = 0x00200000UL,
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.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
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PTE_BLOCK_INNER_SHARE
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}, {
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.virt = 0x400000000UL,
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.phys = 0x400000000UL,
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.size = 0x200000000UL,
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.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
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PTE_BLOCK_NON_SHARE |
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PTE_BLOCK_PXN | PTE_BLOCK_UXN
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}, {
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.virt = 0x600000000UL,
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.phys = 0x600000000UL,
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.size = 0x800000000UL,
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.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
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PTE_BLOCK_INNER_SHARE
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}, {
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.virt = 0xe00000000UL,
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.phys = 0xe00000000UL,
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.size = 0xf200000000UL,
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.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
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PTE_BLOCK_NON_SHARE |
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PTE_BLOCK_PXN | PTE_BLOCK_UXN
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}, {
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/* List terminator */
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0,
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}
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};
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struct mm_region *mem_map = versal_mem_map;
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u64 get_page_table_size(void)
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{
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return 0x14000;
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}
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#if defined(CONFIG_SYS_MEM_RSVD_FOR_MMU)
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int reserve_mmu(void)
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{
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tcm_init(TCM_LOCK);
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gd->arch.tlb_size = PGTABLE_SIZE;
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gd->arch.tlb_addr = VERSAL_TCM_BASE_ADDR;
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return 0;
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}
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#endif
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#if defined(CONFIG_OF_BOARD)
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void *board_fdt_blob_setup(void)
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{
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static void *fw_dtb = (void *)CONFIG_VERSAL_OF_BOARD_DTB_ADDR;
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if (fdt_magic(fw_dtb) != FDT_MAGIC) {
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printf("DTB is not passed via %llx\n", (u64)fw_dtb);
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return NULL;
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}
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return fw_dtb;
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}
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#endif
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