stm32: Initial support for stm32g0

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2021-12-18 19:11:17 -05:00
parent 4576b3918c
commit 6e8f28117b
6 changed files with 253 additions and 8 deletions
--- a/src/stm32/gpioperiph.c
+++ b/src/stm32/gpioperiph.c
@@ -31,6 +31,7 @@ gpio_peripheral(uint32_t gpio, uint32_t mode, int pullup)
    // stm32f0 is ~10Mhz at 50pF
    // stm32f2 is ~25Mhz at 40pF
    // stm32f4 is ~50Mhz at 40pF
+    // stm32g0 is ~30Mhz at 50pF
    // stm32h7 is ~85Mhz at 50pF
    uint32_t ospeed = CONFIG_MACH_STM32F0 ? 0x01 : 0x02;
    regs->OSPEEDR = (regs->OSPEEDR & ~m_msk) | (ospeed << m_shift);