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authorKevin O'Connor <kevin@koconnor.net>2019-10-15 17:45:48 -0400
committerKevin O'Connor <kevin@koconnor.net>2019-10-23 21:34:48 -0400
commit0b0c47c5666bcaab2738807160c10e887d420ac6 (patch)
treec913f7c91e9b720414f578df8e57a89ece8f2ada /src/stm32/stm32f0.c
parenta6d90bb95e5fdf56993796660ee559ab5666ad0d (diff)
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stm32: Support PA11/PA12 pin remap on stm32f042 tsop20 chip
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/stm32/stm32f0.c')
-rw-r--r--src/stm32/stm32f0.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/stm32/stm32f0.c b/src/stm32/stm32f0.c
index d3c1afb4..2c6958a9 100644
--- a/src/stm32/stm32f0.c
+++ b/src/stm32/stm32f0.c
@@ -159,4 +159,12 @@ clock_setup(void)
hsi48_setup();
else
pll_setup();
+
+ // Support alternate USB pins on stm32f042
+#ifdef SYSCFG_CFGR1_PA11_PA12_RMP
+ if (CONFIG_STM32F042_USB_PIN_SWAP) {
+ enable_pclock(SYSCFG_BASE);
+ SYSCFG->CFGR1 |= SYSCFG_CFGR1_PA11_PA12_RMP;
+ }
+#endif
}