diff options
Diffstat (limited to 'include/configs/atstk1002.h')
| -rw-r--r-- | include/configs/atstk1002.h | 22 |
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 /* |