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ACPI / table: Print GIC information when MADT is parsed

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When MADT is parsed, print GIC information as debug message:

ACPI: GICC (acpi_id[0x0000] address[00000000e112f000] MPIDR[0x0] enabled)
ACPI: GICC (acpi_id[0x0001] address[00000000e112f000] MPIDR[0x1] enabled)
...
ACPI: GICC (acpi_id[0x0201] address[00000000e112f000] MPIDR[0x201] enabled)

This debug information will be very helpful to bring up early systems to
see if acpi_id and MPIDR are matched or not as spec defined.

CC: Rafael J. Wysocki <rjw@rjwysocki.net>
Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Tested-by: Yijing Wang <wangyijing@huawei.com>
Tested-by: Mark Langsdorf <mlangsdo@redhat.com>
Tested-by: Jon Masters <jcm@redhat.com>
Tested-by: Timur Tabi <timur@codeaurora.org>
Tested-by: Robert Richter <rrichter@cavium.com>
Acked-by: Robert Richter <rrichter@cavium.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Hanjun Guo 2015-03-24 14:02:44 +00:00 committed by Will Deacon
parent 7c59a3df15
commit 4c1c8d7a7e
1 changed files with 22 additions and 0 deletions
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22
drivers/acpi/tables.c
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@ -185,6 +185,28 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
}
break;
case ACPI_MADT_TYPE_GENERIC_INTERRUPT:
{
struct acpi_madt_generic_interrupt *p =
(struct acpi_madt_generic_interrupt *)header;
pr_debug("GICC (acpi_id[0x%04x] address[%llx] MPIDR[0x%llx] %s)\n",
p->uid, p->base_address,
p->arm_mpidr,
(p->flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
}
break;
case ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR:
{
struct acpi_madt_generic_distributor *p =
(struct acpi_madt_generic_distributor *)header;
pr_debug("GIC Distributor (gic_id[0x%04x] address[%llx] gsi_base[%d])\n",
p->gic_id, p->base_address,
p->global_irq_base);
}
break;
default:
pr_warn("Found unsupported MADT entry (type = 0x%x)\n",
header->type);