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-rw-r--r--lib_ppc/board.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index a3f7f17..cae7775 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -509,8 +509,26 @@ void board_init_f (ulong bootflag)
bd->bi_pci_busfreq = get_PCI_freq ();
bd->bi_opbfreq = get_OPB_freq ();
+#if defined(CONFIG_I2CFAST)
+ /*
+ * set bi_iic_fast for linux taking environment variable
+ * "i2cfast" into account
+ */
+ {
+ char *s = getenv ("i2cfast");
+ if (s && ((*s == 'y') || (*s == 'Y'))) {
+ bd->bi_iic_fast[0] = 1;
+ bd->bi_iic_fast[1] = 1;
+ } else {
+ bd->bi_iic_fast[0] = 0;
+ bd->bi_iic_fast[1] = 0;
+ }
+ }
+#else
bd->bi_iic_fast[0] = 0;
bd->bi_iic_fast[1] = 0;
+#endif
+
#elif defined(CONFIG_XILINX_ML300)
bd->bi_pci_busfreq = get_PCI_freq ();
#endif