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authorwdenk <wdenk>2004-09-28 17:59:53 +0000
committerwdenk <wdenk>2004-09-28 17:59:53 +0000
commit66ca92a5ba882807ba8ed8f772c0fc22b25976cc (patch)
tree45f62d161cf60f9b5be79427073c979d99a41be2 /include/configs/Adder.h
parent4ec3a7f0fdbad19ad4fa0172b97451b98e82316a (diff)
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* Patch by Yuli Barcohen, 13 Jul 2004:
Allow clock setting on MPC866/MPC885 series chips according to environment variable `cpuclk' * Patch by Yuli Barcohen, 20 Apr 2004: Remove unnecessary redefine of CPM_DATAONLY_SIZE for MPC826x
Diffstat (limited to 'include/configs/Adder.h')
-rw-r--r--include/configs/Adder.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/configs/Adder.h b/include/configs/Adder.h
index 13e6c35..f807546 100644
--- a/include/configs/Adder.h
+++ b/include/configs/Adder.h
@@ -41,7 +41,14 @@
#define FEC_ENET
#endif /* CONFIG_FEC_ENET */
-#define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */
+#define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */
+#define CONFIG_8xx_CPUCLK_DEFAULT 50000000
+#define CFG_8xx_CPUCLK_MIN 40000000
+#ifdef CONFIG_MPC852T
+#define CFG_8xx_CPUCLK_MAX 50000000
+#else
+#define CFG_8xx_CPUCLK_MAX 120000000
+#endif /* CONFIG_MPC852T */
#define CONFIG_COMMANDS (CONFIG_CMD_DFL \
| CFG_CMD_DHCP \
@@ -89,6 +96,15 @@
#define CFG_MAMR 0x00802114
+/*
+ * 2048 SDRAM rows
+ * 1000 factor s -> ms
+ * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
+ * 4 Number of refresh cycles per period
+ * 64 Refresh cycle in ms per number of rows
+ */
+#define CFG_PTA_PER_CLK ((2048 * 64 * 1000) / (4 * 64))
+
#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
#define CFG_MEMTEST_END 0x00700000 /* 1 ... 7 MB in SDRAM */