On 11/15/2013 03:24 AM, Hanjun Guo wrote:
Create GTDT table to convert arch timer for early boot.
Signed-off-by: Hanjun Guo hanjun.guo@linaro.org
platforms/rtsm_ve-aemv8a.acpi/gtdt.asl | 37 +++++++++++++++++++++----------- 1 file changed, 24 insertions(+), 13 deletions(-)
diff --git a/platforms/rtsm_ve-aemv8a.acpi/gtdt.asl b/platforms/rtsm_ve-aemv8a.acpi/gtdt.asl index 068ad4a..26eac38 100644 --- a/platforms/rtsm_ve-aemv8a.acpi/gtdt.asl +++ b/platforms/rtsm_ve-aemv8a.acpi/gtdt.asl @@ -1,6 +1,7 @@ /*
- Copyright (c) 2013, Al Stone al.stone@linaro.org
Hanjun Guo <hanjun.guo@linaro.org>
- [GTDT] Generic Timer Description Table
- Format: [ByteLength] FieldName : HexFieldValue
@@ -21,22 +22,32 @@ [0004] Flags (decoded below) : 00000001 Memory Present : 1
-[0004] Secure PL1 Interrupt : 00000000 -[0004] SPL1 Flags (decoded below) : 00000000
Trigger Mode : 0+/* In Foundation model's dts file, the last cell of interrupts
- is 0xff01, it means its cpu mask is FF, and trigger type
- and flag is 1 = low-to-high edge triggered.
- so in ACPI the Trigger Mode is 1 - Edge triggered, and
- Polarity is 0 - Active high as ACPI spec describled.
- using direct mapping for hwirqs, it means that we using
- ID [16, 31] for PPI, not [0, 15] used in FDT.
- */
+[0004] Secure PL1 Interrupt : 0000001d +[0004] SPL1 Flags (decoded below) : 00000001
Trigger Mode : 1 Polarity : 0-[0004] Non-Secure PL1 Interrupt : 00000000 -[0004] NSPL1 Flags (decoded below) : 00000000
Trigger Mode : 0+[0004] Non-Secure PL1 Interrupt : 0000001e +[0004] NSPL1 Flags (decoded below) : 00000001
Trigger Mode : 1 Polarity : 0-[0004] Virtual Timer Interrupt : 00000000 -[0004] VT Flags (decoded below) : 00000000
Trigger Mode : 0+[0004] Virtual Timer Interrupt : 0000001b +[0004] VT Flags (decoded below) : 00000001
Trigger Mode : 1 Polarity : 0-[0004] Non-Secure PL2 Interrupt : 00000000 -[0004] NSPL2 Flags (decoded below) : 00000000
Trigger Mode : 0+[0004] Non-Secure PL2 Interrupt : 0000001a +[0004] NSPL2 Flags (decoded below) : 00000001
Trigger Mode : 1 Polarity : 0
Thanks for the clarification in the comments on the hwirq mapping.
Acked-by: Al Stone al.stone@linaro.org