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stm32/boards/pllvalues.py: Support wider range of PLL values for F413. 

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George 2021-04-08 16:12:32 +10:00
parent b74dc546fc
commit 6e0f9b9262
1 changed files with 25 additions and 13 deletions
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38
ports/stm32/boards/pllvalues.py
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@ -31,15 +31,26 @@ mcu_default = MCU(
range_vco_out=range(192, 432 + 1),
)
mcu_h7 = MCU(
range_sysclk=range(2, 400 + 1, 2), # above 400MHz currently unsupported
range_m=range(1, 63 + 1),
range_n=range(4, 512 + 1),
range_p=range(2, 128 + 1, 2),
range_q=range(1, 128 + 1),
range_vco_in=range(1, 16 + 1),
range_vco_out=range(150, 960 + 1), # 150-420=medium, 192-960=wide
)
mcu_table = {
"stm32f413": MCU(
range_sysclk=range(2, 100 + 1, 2),
range_m=range(2, 63 + 1),
range_n=range(50, 432 + 1),
range_p=range(2, 8 + 1, 2),
range_q=range(2, 15 + 1),
range_vco_in=range(1, 2 + 1),
range_vco_out=range(100, 432 + 1),
),
"stm32h7": MCU(
range_sysclk=range(2, 400 + 1, 2), # above 400MHz currently unsupported
range_m=range(1, 63 + 1),
range_n=range(4, 512 + 1),
range_p=range(2, 128 + 1, 2),
range_q=range(1, 128 + 1),
range_vco_in=range(1, 16 + 1),
range_vco_out=range(150, 960 + 1), # 150-420=medium, 192-960=wide
),
}
def close_int(x):
@ -271,10 +282,11 @@ def main():
hse = int(argv[0])
# Select MCU parameters
if mcu_series.startswith("stm32h7"):
mcu = mcu_h7
else:
mcu = mcu_default
mcu = mcu_default
for m in mcu_table:
if mcu_series.startswith(m):
mcu = mcu_table[m]
break
# Relax constraint on PLLQ being 48MHz on MCUs which have separate PLLs for 48MHz
relax_pll48 = mcu_series.startswith(("stm32f413", "stm32f7", "stm32h7"))