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stm32f4: Enable USB peripheral, fix typos in register writes.

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This commit is contained in:
William D. Jones 2019-01-13 17:34:09 -05:00
parent 03cbd406cb
commit 657d3e2983
2 changed files with 13 additions and 6 deletions
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15
hw/bsp/stm32f407g_disc1/board_stm32f407g_disc1.c
View File

@ -85,13 +85,18 @@ void board_init(void)
RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN;
// USB Pin Init
// PA10- ID, PA11- DM, PA12- DP
// PA9- VUSB, PA10- ID, PA11- DM, PA12- DP
// PC0- Power on
RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN;
GPIOD->MODER |= GPIO_MODER_MODE10_1 | GPIO_MODER_MODE11_1 | \
GPIO_MODER_MODE12_1;
GPIOA->AFR[1] |= (10 << GPIO_AFRH_AFSEL10_Pos) | \
(10 << GPIO_AFRH_AFSEL11_Pos) | (10 << GPIO_AFRH_AFSEL12_Pos);
GPIOA->MODER |= GPIO_MODER_MODE9_1 | GPIO_MODER_MODE10_1 | \
GPIO_MODER_MODE11_1 | GPIO_MODER_MODE12_1;
GPIOA->AFR[1] |= (10 << GPIO_AFRH_AFSEL9_Pos) | \
(10 << GPIO_AFRH_AFSEL10_Pos) | (10 << GPIO_AFRH_AFSEL11_Pos) | \
(10 << GPIO_AFRH_AFSEL12_Pos);
// Pullup required on ID, despite the manual claiming there's an
// internal pullup already (page 1245, Rev 17)
GPIOA->PUPDR |= GPIO_PUPDR_PUPD10_0;
}

4
src/portable/stm/stm32f4/dcd_stm32f4.c
View File

@ -78,7 +78,9 @@ bool dcd_init (uint8_t rhport)
USB_OTG_FS->GINTMSK |= USB_OTG_GINTMSK_USBRST | USB_OTG_GINTMSK_ENUMDNEM | \
USB_OTG_GINTMSK_ESUSPM | USB_OTG_GINTMSK_USBSUSPM | \
USB_OTG_GINTMSK_SOFM;
USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN; // Enable pullup.
// Enable pullup, enable peripheral.
USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN | USB_OTG_GCCFG_PWRDWN;
return true;
}