[OpenBIOS] [PATCH 1/2] ppc: don't hardcode the system bus frequency
Mark Cave-Ayland
mark.cave-ayland at ilande.co.uk
Sun May 6 16:04:30 CEST 2018
The system bus frequency has been available from the QEMU fw_cfg interface for
some time, so let's use it rather than hard-coding the relevant values.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk>
---
arch/ppc/qemu/init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/ppc/qemu/init.c b/arch/ppc/qemu/init.c
index 5ce080c..8524750 100644
--- a/arch/ppc/qemu/init.c
+++ b/arch/ppc/qemu/init.c
@@ -835,7 +835,7 @@ arch_of_init(void)
push_str("AAPL,cpu-id");
fword("property");
- PUSH(66 * 1000 * 1000);
+ PUSH(fw_cfg_read_i32(FW_CFG_PPC_BUSFREQ));
fword("encode-int");
push_str("clock-frequency");
fword("property");
@@ -872,7 +872,7 @@ arch_of_init(void)
push_str("bootrom");
fword("device-type");
- PUSH(100 * 1000 * 1000);
+ PUSH(fw_cfg_read_i32(FW_CFG_PPC_BUSFREQ));
fword("encode-int");
push_str("clock-frequency");
fword("property");
--
2.11.0
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