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-rw-r--r--include/configs/atstk1002.h22
1 files changed, 20 insertions, 2 deletions
diff --git a/include/configs/atstk1002.h b/include/configs/atstk1002.h
index f7bf62c..7533b0e 100644
--- a/include/configs/atstk1002.h
+++ b/include/configs/atstk1002.h
@@ -39,8 +39,10 @@
#define CFG_HZ 1000
/*
- * Set up the PLL to run at 199.5 MHz, the CPU to run at 1/2 the PLL
- * frequency and the peripherals to run at 1/4 the PLL frequency.
+ * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
+ * frequency, the HSB and PBB at 1/2, and the PBA to run at 1/4 the
+ * PLL frequency.
+ * (CFG_OSC0_HZ * CFG_PLL0_MUL) / CFG_PLL0_DIV = PLL MHz
*/
#define CONFIG_PLL 1
#define CFG_POWER_MANAGER 1
@@ -48,9 +50,25 @@
#define CFG_PLL0_DIV 1
#define CFG_PLL0_MUL 7
#define CFG_PLL0_SUPPRESS_CYCLES 16
+/*
+ * Set the CPU running at:
+ * PLL / (2^CFG_CLKDIV_CPU) = CPU MHz
+ */
#define CFG_CLKDIV_CPU 0
+/*
+ * Set the HSB running at:
+ * PLL / (2^CFG_CLKDIV_HSB) = HSB MHz
+ */
#define CFG_CLKDIV_HSB 1
+/*
+ * Set the PBA running at:
+ * PLL / (2^CFG_CLKDIV_PBA) = PBA MHz
+ */
#define CFG_CLKDIV_PBA 2
+/*
+ * Set the PBB running at:
+ * PLL / (2^CFG_CLKDIV_PBB) = PBB MHz
+ */
#define CFG_CLKDIV_PBB 1
/*