* Code cleanup

[oweals/u-boot.git] / cpu / mpc824x / cpu_init.c

diff --git a/cpu/mpc824x/cpu_init.c b/cpu/mpc824x/cpu_init.c
index 08f5c4ab13a384cb2afb7ddde6564e251edb2354..d0c7a3bcabc3225adf96bf9e5820ac7197b47ef0 100644 (file)
--- a/cpu/mpc824x/cpu_init.c
+++ b/cpu/mpc824x/cpu_init.c
@@ -108,7 +108,7 @@ cpu_init_f (void)
 
        CONFIG_READ_BYTE(PCMBCR,val);
        /* in order not to corrupt data which is being read over the PCI bus
-       * with the PPC as master, we need to reduce the number of PCMRBs to 1,
+       * with the PPC as slave, we need to reduce the number of PCMRBs to 1,
        * 4.11 in the  processor user manual
        * */
 
@@ -117,6 +117,10 @@ cpu_init_f (void)
 #else
        CONFIG_WRITE_BYTE(PCMBCR,(val|0x80)); /* 2 PCMRBs */
        CONFIG_WRITE_BYTE(PCMBCR,(val|0x40)); /* 3 PCMRBs */
+       /* default, 4 PCMRBs are used, so don't change the
+        * register is this is _really_ what you want: data
+        * corruption with no performance gain
+        */
 #endif
 #endif