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authorJames Yang <James.Yang@freescale.com>2008-02-08 16:46:27 -0600
committerAndrew Fleming-AFLEMING <afleming@freescale.com>2008-03-26 11:43:04 -0500
commite9ea679918fbc9a53fa2f2a904aac874ea736036 (patch)
treeebb92fd840da9bdc9aa2fdb35dfbf454d04e9bf7 /cpu
parent591933ca6eabc440e6ed6967233aaf56fce464a3 (diff)
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85xx: Show DDR memory data rate in addition to the memory clock frequency.
Show the DDR memory data rate in addition to the memory clock frequency. For DDR/DDR2 memories the memory data rate is 2x the memory clock. Signed-off-by: James Yang <James.Yang@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'cpu')
-rw-r--r--cpu/mpc85xx/cpu.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
index 4aac599..dcd8817 100644
--- a/cpu/mpc85xx/cpu.c
+++ b/cpu/mpc85xx/cpu.c
@@ -122,13 +122,16 @@ int checkcpu (void)
ddr_ratio = ((gur->porpllsr) & 0x00003e00) >> 9;
switch (ddr_ratio) {
case 0x0:
- printf(" DDR:%4lu MHz, ", sysinfo.freqDDRBus / 2000000);
+ printf(" DDR:%4lu MHz (%lu MT/s data rate), ",
+ sysinfo.freqDDRBus / 2000000, sysinfo.freqDDRBus / 1000000);
break;
case 0x7:
- printf(" DDR:%4lu MHz (Synchronous), ", sysinfo.freqDDRBus / 2000000);
+ printf(" DDR:%4lu MHz (%lu MT/s data rate) (Synchronous), ",
+ sysinfo.freqDDRBus / 2000000, sysinfo.freqDDRBus / 1000000);
break;
default:
- printf(" DDR:%4lu MHz (Asynchronous), ", sysinfo.freqDDRBus / 2000000);
+ printf(" DDR:%4lu MHz (%lu MT/s data rate) (Asynchronous), ",
+ sysinfo.freqDDRBus / 2000000, sysinfo.freqDDRBus / 1000000);
break;
}