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lib: utils/regmap: Mark syscon region as shared read-write
The syscon region used by OpenSBI should be marked as a shared read-write region between M-mode and SU-mode. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com>
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@ -8,6 +8,7 @@
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*/
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#include <libfdt.h>
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#include <sbi/riscv_asm.h>
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#include <sbi/riscv_io.h>
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#include <sbi/sbi_byteorder.h>
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#include <sbi/sbi_error.h>
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@ -240,6 +241,12 @@ static int regmap_syscon_init(void *fdt, int nodeoff, u32 phandle,
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goto fail_free_syscon;
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}
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rc = sbi_domain_root_add_memrange(addr, size, PAGE_SIZE,
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(SBI_DOMAIN_MEMREGION_MMIO |
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SBI_DOMAIN_MEMREGION_SHARED_SURW_MRW));
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if (rc)
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goto fail_free_syscon;
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rc = regmap_add(&srm->rmap);
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if (rc)
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goto fail_free_syscon;
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