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authorMarian Balakowicz <m8@semihalf.com>2005-11-27 20:15:41 +0100
committerMarian Balakowicz <m8@semihalf.com>2005-11-27 20:15:41 +0100
commit0a69b26ed6fe3184cab86872589c27b076e6cb8e (patch)
tree8e1c16f232bc41516985dc8101b426220d67fae0 /include/configs/o2dnt.h
parentf08abe311b41633b550520de50d4c0ff1fbf2800 (diff)
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Increase IPB and PCI clocks for O2DNT board.
Diffstat (limited to 'include/configs/o2dnt.h')
-rw-r--r--include/configs/o2dnt.h25
1 files changed, 23 insertions, 2 deletions
diff --git a/include/configs/o2dnt.h b/include/configs/o2dnt.h
index 325f654..981651a 100644
--- a/include/configs/o2dnt.h
+++ b/include/configs/o2dnt.h
@@ -137,8 +137,20 @@
/*
* IPB Bus clocking configuration.
*/
-#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+
+#if defined(CFG_IPBSPEED_133)
+/*
+ * PCI Bus clocking configuration
+ *
+ * Actually a PCI Clock of 66 MHz is only set (in cpu_init.c) if
+ * CFG_IPBSPEED_133 is defined. This is because a PCI Clock of 66 MHz yet hasn't
+ * been tested with a IPB Bus Clock of 66 MHz.
+ */
+#define CFG_PCISPEED_66 /* define for 66MHz speed */
+#endif
#endif
+
/*
* I2C configuration
*/
@@ -263,7 +275,16 @@
#define CFG_BOOTCS_START CFG_FLASH_BASE
#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE
-#define CFG_BOOTCS_CFG 0x00047801
+
+#ifdef CFG_PCISPEED_66
+/*
+ * For 66 MHz PCI clock additional Wait State is needed for CS0 (flash).
+ */
+#define CFG_BOOTCS_CFG 0x00057801 /* for pci_clk = 66 MHz */
+#else
+#define CFG_BOOTCS_CFG 0x00047801 /* for pci_clk = 33 MHz */
+#endif
+
#define CFG_CS0_START CFG_FLASH_BASE
#define CFG_CS0_SIZE CFG_FLASH_SIZE