With this fix, Linux correctly configures the baudrate when booting
with FDT passed from U-Boot to Linux.
Signed-off-by: Stefan Roese <s...@denx.de>
---
cpu/ppc4xx/speed.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c
index 1f75137..9c4bc09 100644
--- a/cpu/ppc4xx/speed.c
+++ b/cpu/ppc4xx/speed.c
@@ -914,6 +914,7 @@ void get_sys_info (PPC4xx_SYS_INFO * sysInfo)
unsigned long sysClkPeriodPs = ONE_BILLION / (CONFIG_SYS_CLK_FREQ/1000);
unsigned long primad_cpudv;
unsigned long m;
+ unsigned long plloutb;
/*
* Read PLL Mode registers
@@ -999,7 +1000,10 @@ void get_sys_info (PPC4xx_SYS_INFO * sysInfo)
sysInfo->freqEBC = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv) /
sysInfo->pllExtBusDiv;
- sysInfo->freqUART = sysInfo->freqVCOHz;
+ plloutb = ((CONFIG_SYS_CLK_FREQ * ((cpr_pllc & PLLC_SRC_MASK) ?
+ sysInfo->pllFwdDivB : sysInfo->pllFwdDiv) * sysInfo->pllFbkDiv)
/
+ sysInfo->pllFwdDivB);
+ sysInfo->freqUART = plloutb;
}
/********************************************
--
1.6.4.1
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