hw/misc/aspeed_scu.h

122  * SCU24   H-PLL Parameter Register (for Aspeed AST2400 SOC)
124  *  18     H-PLL parameter selection
125  *           0: Select H-PLL by strapping resistors
126  *           1: Select H-PLL by the programmed registers (SCU24[17:0])
127  *  17     Enable H-PLL bypass mode
128  *  16     Turn off H-PLL
129  *  10:5   H-PLL Numerator
130  *  4      H-PLL Output Divider
131  *  3:0    H-PLL Denumerator
141  * SCU24   H-PLL Parameter Register (for Aspeed AST2500 SOC)
143  *  21     Enable H-PLL reset
144  *  20     Enable H-PLL bypass mode
145  *  19     Turn off H-PLL
146  *  18:13  H-PLL Post Divider
147  *  12:5   H-PLL Numerator (M)
148  *  4:0    H-PLL Denumerator (N)
176  * 9:8    H-PLL default clock frequency selection
337  * SCU200   H-PLL Parameter Register (for Aspeed AST2600 SOC)
339  *  28:26  H-PLL Parameters
340  *  25     Enable H-PLL reset
341  *  24     Enable H-PLL bypass mode
342  *  23     Turn off H-PLL
343  *  22:19  H-PLL Post Divider (P)
344  *  18:13  H-PLL Numerator (M)
345  *  12:0   H-PLL Denumerator (N)