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author | Gregory Nutt <gnutt@nuttx.org> | 2014-12-12 07:43:32 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2014-12-12 07:43:32 -0600 |
commit | e60720d98103edc1cd72e5d8ae960511facbf5c8 (patch) | |
tree | 77c2ba7e432595f2daed4c53f5e1ab3772ccba0c /nuttx | |
parent | 41899728e94682f5bb7573d3368b82f22584d0fd (diff) | |
download | px4-nuttx-e60720d98103edc1cd72e5d8ae960511facbf5c8.tar.gz px4-nuttx-e60720d98103edc1cd72e5d8ae960511facbf5c8.tar.bz2 px4-nuttx-e60720d98103edc1cd72e5d8ae960511facbf5c8.zip |
STM32 OTGHS Device: Fix for OTGHS core working in FS mode. From Ken Pettit
Diffstat (limited to 'nuttx')
-rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_otghsdev.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_otghsdev.c b/nuttx/arch/arm/src/stm32/stm32_otghsdev.c index beb6431a4..c7e7fdadc 100644 --- a/nuttx/arch/arm/src/stm32/stm32_otghsdev.c +++ b/nuttx/arch/arm/src/stm32/stm32_otghsdev.c @@ -5132,6 +5132,14 @@ static void stm32_hwinitialize(FAR struct stm32_usbdev_s *priv) stm32_putreg(OTGHS_GAHBCFG_TXFELVL, STM32_OTGHS_GAHBCFG); + /* Set the PHYSEL bit in the GUSBCFG register to select the OTG HS serial + * transceiver: "This bit is always 1 with write-only access" + */ + + regval = stm32_getreg(STM32_OTGHS_GUSBCFG); + regval |= OTGHS_GUSBCFG_PHYSEL; + stm32_putreg(regval, STM32_OTGHS_GUSBCFG); + /* Common USB OTG core initialization */ /* Reset after a PHY select and set Host mode. First, wait for AHB master * IDLE state. |