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// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
#include <linux/module.h>
#include <linux/highmem.h>
#include <linux/smp.h>
#include <linux/memblock.h>
#include <asm/fixmap.h>
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
unsigned long highstart_pfn, highend_pfn;
void kmap_flush_tlb(unsigned long addr)
{
flush_tlb_one(addr);
}
EXPORT_SYMBOL(kmap_flush_tlb);
void __init kmap_init(void)
{
unsigned long vaddr;
pgd_t *pgd;
pmd_t *pmd;
pud_t *pud;
pte_t *pte;
vaddr = PKMAP_BASE;
fixrange_init(vaddr, vaddr + PAGE_SIZE*LAST_PKMAP, swapper_pg_dir);
pgd = swapper_pg_dir + pgd_index(vaddr);
pud = (pud_t *)pgd;
pmd = pmd_offset(pud, vaddr);
pte = pte_offset_kernel(pmd, vaddr);
pkmap_page_table = pte;
}
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