[OpenBIOS] [PATCH 1/2] ppc: don't hardcode the system bus frequency

[Mark Cave-Ayland]

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 
---
 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");