[OpenBIOS] [PATCH 1/5] SPARC64: fixup 100Hz timer interval
Mark Cave-Ayland
mark.cave-ayland at ilande.co.uk
Sun May 4 19:29:39 CEST 2014
As we are attempting to emulate a 100MHz CPU, then in order to get a 100Hz
timer interrupt the cycle interval needs to be 1MHz and not 10MHz.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk>
---
openbios-devel/arch/sparc64/entry.S | 2 +-
openbios-devel/arch/sparc64/vectors.S | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/openbios-devel/arch/sparc64/entry.S b/openbios-devel/arch/sparc64/entry.S
index 33632b1..d03128a 100644
--- a/openbios-devel/arch/sparc64/entry.S
+++ b/openbios-devel/arch/sparc64/entry.S
@@ -17,7 +17,7 @@
#define PROM_ADDR 0x1fff0000000
#define CFG_ADDR 0x1fe02000510
-#define HZ 10 * 1000 * 1000
+#define HZ 1 * 1000 * 1000
#define TICK_INT_DIS 0x8000000000000000
.globl entry, _entry
diff --git a/openbios-devel/arch/sparc64/vectors.S b/openbios-devel/arch/sparc64/vectors.S
index 0e65475..600043a 100644
--- a/openbios-devel/arch/sparc64/vectors.S
+++ b/openbios-devel/arch/sparc64/vectors.S
@@ -30,7 +30,7 @@
#define PROM_ADDR 0x1fff0000000
#define SER_ADDR 0x1fe020003f8
#define TICK_INT_DIS 0x8000000000000000
-#define TICK_INTERVAL 10*1000*1000
+#define TICK_INTERVAL 1*1000*1000
.section ".text.vectors", "ax"
.align 16384
--
1.7.10.4
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