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src/arch/x86/acpi.c: Use correct host address width in DMAR ACPI table 

The previous implementation assumed the CPU physical address size to
be 40 which is not true of all platforms. Use an existing function to
obtain the correct CPU physical address to report in the DMAR ACPI
table.

Change-Id: Ia79e9dadecc3f5f6a86ce3789b213222bef482b3
Signed-off-by: Jacob Laska <jlaska91@gmail.com>
Reviewed-on: https://review.coreboot.org/14102
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Jacob Laska 2016-03-15 21:53:27 -05:00 committed by Martin Roth
parent 331ac1b078
commit f3f654ddb9
1 changed files with 1 additions and 1 deletions
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src/arch/x86/acpi.c
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@ -411,7 +411,7 @@ void acpi_create_dmar(acpi_dmar_t *dmar, enum dmar_flags flags,
header->length = sizeof(acpi_dmar_t); header->length = sizeof(acpi_dmar_t);
header->revision = 1; header->revision = 1;
dmar->host_address_width = 40 - 1; /* FIXME: == MTRR size? */ dmar->host_address_width = cpu_phys_address_size() - 1;
dmar->flags = flags; dmar->flags = flags;
current = acpi_fill_dmar(current); current = acpi_fill_dmar(current);