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authorMarkus Klotzbuecher <mk@denx.de>2007-09-17 17:12:45 +0200
committerMarkus Klotzbuecher <mk@pollux.denx.de>2007-09-17 17:12:45 +0200
commitf930922f061ea7bf585296859d1c14194c24b840 (patch)
treec46b9f120f7c55f5baf8b6ac3048ba759e10a512 /cpu/ppc4xx/serial.c
parent97213f32416ead885deafea86774e912ffd60ad0 (diff)
parent67c31036acaaaa992fc346cc89db0909a7e733c4 (diff)
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Merge with git://www.denx.de/git/u-boot.git
Diffstat (limited to 'cpu/ppc4xx/serial.c')
-rw-r--r--cpu/ppc4xx/serial.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/serial.c
index 3f67136..60712b1 100644
--- a/cpu/ppc4xx/serial.c
+++ b/cpu/ppc4xx/serial.c
@@ -448,12 +448,17 @@ static void serial_divs (int baudrate, unsigned long *pudiv,
unsigned long i;
unsigned long est; /* current estimate */
unsigned long plloutb;
+ unsigned long cpr_pllc;
u32 reg;
+ /* check the pll feedback source */
+ mfcpr(cprpllc, cpr_pllc);
+
get_sys_info(&sysinfo);
- plloutb = ((CONFIG_SYS_CLK_FREQ * sysinfo.pllFwdDiv * sysinfo.pllFbkDiv)
- / sysinfo.pllFwdDivB);
+ plloutb = ((CONFIG_SYS_CLK_FREQ * ((cpr_pllc & PLLC_SRC_MASK) ?
+ sysinfo.pllFwdDivB : sysinfo.pllFwdDiv) * sysinfo.pllFbkDiv) /
+ sysinfo.pllFwdDivB);
udiv = 256; /* Assume lowest possible serial clk */
div = plloutb / (16 * baudrate); /* total divisor */
umin = (plloutb / get_OPB_freq()) << 1; /* 2 x OPB divisor */