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Subject[PATCH 17/17] arm64: arch_timer: Add HISILICON_ERRATUM_161010101 ACPI matching data
Date
In order to deal with ACPI enabled platforms suffering from the
HISILICON_ERRATUM_161010101, let's add the required OEM data that
allow the workaround to be enabled.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
---
drivers/clocksource/arm_arch_timer.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)

diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 6182871af4eb..b46584f058b6 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -270,6 +270,25 @@ static u64 notrace hisi_161010101_read_cntvct_el0(void)
{
return __hisi_161010101_read_reg(cntvct_el0);
}
+
+static struct ate_acpi_oem_info hisi_161010101_oem_info[] = {
+ {
+ .oem_id = "HISI ",
+ .oem_table_id = "HIP05 ",
+ .oem_revision = 0,
+ },
+ {
+ .oem_id = "HISI ",
+ .oem_table_id = "HIP06 ",
+ .oem_revision = 0,
+ },
+ {
+ .oem_id = "HISI ",
+ .oem_table_id = "HIP07 ",
+ .oem_revision = 0,
+ },
+ { },
+};
#endif

#ifdef CONFIG_ARM64_ERRATUM_858921
@@ -347,6 +366,16 @@ static const struct arch_timer_erratum_workaround ool_workarounds[] = {
.set_next_event_phys = erratum_set_next_event_tval_phys,
.set_next_event_virt = erratum_set_next_event_tval_virt,
},
+ {
+ .match_type = ate_match_acpi_oem_info,
+ .id = hisi_161010101_oem_info,
+ .desc_str = "HiSilicon erratum 161010101",
+ .read_cntp_tval_el0 = hisi_161010101_read_cntp_tval_el0,
+ .read_cntv_tval_el0 = hisi_161010101_read_cntv_tval_el0,
+ .read_cntvct_el0 = hisi_161010101_read_cntvct_el0,
+ .set_next_event_phys = erratum_set_next_event_tval_phys,
+ .set_next_event_virt = erratum_set_next_event_tval_virt,
+ },
#endif
#ifdef CONFIG_ARM64_ERRATUM_858921
{
--
2.11.0
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