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Merged ULPI code in STM32 OTGv1 driver, not tested yet. It does not harm ULPI-less operations. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8271 35acf78f-673a-0410-8e92-d51de3d6d3f4
master
gdisirio 2015-09-03 13:41:48 +00:00
parent 9b7696e58f
commit f6c67102be
3 changed files with 125 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
os/hal/ports/STM32/LLD/OTGv1/stm32_otg.h
View File

@ -682,6 +682,7 @@ typedef struct {
#define DSTS_ENUMSPD_MASK (3U<<1) /**< Enumerated speed mask. */
#define DSTS_ENUMSPD_FS_48 (3U<<1) /**< Full speed (PHY clock is
running at 48 MHz). */
#define DSTS_ENUMSPD_HS_480 (0U<<1) /**< High speed. */
#define DSTS_SUSPSTS (1U<<0) /**< Suspend status. */
/** @} */

145
os/hal/ports/STM32/LLD/OTGv1/usb_lld.c
View File

@ -32,11 +32,24 @@
/* Driver local definitions. */
/*===========================================================================*/
#define TRDT_VALUE 5
#define TRDT_VALUE_FS 5
#define TRDT_VALUE_HS 9
#define EP0_MAX_INSIZE 64
#define EP0_MAX_OUTSIZE 64
#if defined(STM32F7XX)
#define GCCFG_INIT_VALUE GCCFG_PWRDWN
#else
#if defined(BOARD_OTG_NOVBUSSENS)
#define GCCFG_INIT_VALUE (GCCFG_NOVBUSSENS | GCCFG_VBUSASEN | \
GCCFG_VBUSBSEN | GCCFG_PWRDWN)
#else
#define GCCFG_INIT_VALUE (GCCFG_VBUSASEN | GCCFG_VBUSBSEN | \
GCCFG_PWRDWN)
#endif
#endif
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
@ -481,7 +494,7 @@ static void otg_rxfifo_handler(USBDriver *usbp) {
static bool otg_txfifo_handler(USBDriver *usbp, usbep_t ep) {
/* The TXFIFO is filled until there is space and data to be transmitted.*/
while (TRUE) {
while (true) {
uint32_t n;
/* Transaction end condition.*/
@ -628,6 +641,24 @@ static void usb_lld_serve_interrupt(USBDriver *usbp) {
sts &= otgp->GINTMSK;
otgp->GINTSTS = sts;
/* Wake-up handling.*/
if (sts & GINTSTS_WKUPINT) {
/* If clocks are gated off, turn them back on (may be the case if
coming out of suspend mode).*/
if (otgp->PCGCCTL & (PCGCCTL_STPPCLK | PCGCCTL_GATEHCLK)) {
/* Set to zero to un-gate the USB core clocks.*/
otgp->PCGCCTL &= ~(PCGCCTL_STPPCLK | PCGCCTL_GATEHCLK);
}
/* Clear the Remote Wake-up Signaling.*/
otgp->DCTL |= DCTL_RWUSIG;
}
/* Suspend handling.*/
if (sts & GINTSTS_USBSUSP) {
/* TODO: Implement suspend mode.*/
}
/* Reset interrupt handling.*/
if (sts & GINTSTS_USBRST) {
_usb_reset(usbp);
@ -636,7 +667,15 @@ static void usb_lld_serve_interrupt(USBDriver *usbp) {
/* Enumeration done.*/
if (sts & GINTSTS_ENUMDNE) {
(void)otgp->DSTS;
/* Full or High speed timing selection.*/
if ((otgp->DSTS & DSTS_ENUMSPD_MASK) == DSTS_ENUMSPD_HS_480) {
otgp->GUSBCFG = (otgp->GUSBCFG & ~(GUSBCFG_TRDT_MASK)) |
GUSBCFG_TRDT(TRDT_VALUE_HS);
}
else {
otgp->GUSBCFG = (otgp->GUSBCFG & ~(GUSBCFG_TRDT_MASK)) |
GUSBCFG_TRDT(TRDT_VALUE_FS);
}
}
/* SOF interrupt handling.*/
@ -808,55 +847,95 @@ void usb_lld_start(USBDriver *usbp) {
if (usbp->state == USB_STOP) {
/* Clock activation.*/
#if STM32_USB_USE_OTG1
if (&USBD1 == usbp) {
/* OTG FS clock enable and reset.*/
rccEnableOTG_FS(FALSE);
rccEnableOTG_FS(false);
rccResetOTG_FS();
/* Enables IRQ vector.*/
nvicEnableVector(STM32_OTG1_NUMBER, STM32_USB_OTG1_IRQ_PRIORITY);
/* - Forced device mode.
- USB turn-around time = TRDT_VALUE_FS.
- Full Speed 1.1 PHY.*/
otgp->GUSBCFG = GUSBCFG_FDMOD | GUSBCFG_TRDT(TRDT_VALUE_FS) |
GUSBCFG_PHYSEL;
/* 48MHz 1.1 PHY.*/
otgp->DCFG = 0x02200000 | DCFG_DSPD_FS11;
}
#endif
#if STM32_USB_USE_OTG2
if (&USBD2 == usbp) {
/* OTG HS clock enable and reset.*/
rccEnableOTG_HS(FALSE);
rccEnableOTG_HS(false);
rccResetOTG_HS();
/* ULPI clock is managed depending on the presence of an external
PHY.*/
#if defined(BOARD_OTG2_USES_ULPI)
rccEnableOTG_HSULPI(true);
#else
/* Workaround for the problem described here:
http://forum.chibios.org/phpbb/viewtopic.php?f=16&t=1798 */
rccDisableOTG_HSULPI(TRUE);
http://forum.chibios.org/phpbb/viewtopic.php?f=16&t=1798.*/
rccDisableOTG_HSULPI(true);
#endif
/* Enables IRQ vector.*/
nvicEnableVector(STM32_OTG2_NUMBER, STM32_USB_OTG2_IRQ_PRIORITY);
/* - Forced device mode.
- USB turn-around time = TRDT_VALUE_HS or TRDT_VALUE_FS.*/
#if defined(BOARD_OTG2_USES_ULPI)
/* High speed ULPI PHY.*/
otgp->GUSBCFG = GUSBCFG_FDMOD | GUSBCFG_TRDT(TRDT_VALUE_HS) | /*XXXXXXXXXXX*/
GUSBCFG_SRPCAP | GUSBCFG_HNPCAP;
#else
otgp->GUSBCFG = GUSBCFG_FDMOD | GUSBCFG_TRDT(TRDT_VALUE_FS) |
GUSBCFG_PHYSEL;
#endif
#if defined(BOARD_OTG2_USES_ULPI)
#if STM32_USE_USB_OTG2_HS
/* USB 2.0 High Speed PHY in HS mode.*/
otgp->DCFG = 0x02200000 | DCFG_DSPD_HS;
#else
/* USB 2.0 High Speed PHY in FS mode.*/
otgp->DCFG = 0x02200000 | DCFG_DSPD_HS_FS;
#endif
#else
/* 48MHz 1.1 PHY.*/
otgp->DCFG = 0x02200000 | DCFG_DSPD_FS11;
#endif
}
#endif
/* Clearing mask of TXFIFOs to be filled.*/
usbp->txpending = 0;
/* - Forced device mode.
- USB turn-around time = TRDT_VALUE.
- Full Speed 1.1 PHY.*/
otgp->GUSBCFG = GUSBCFG_FDMOD | GUSBCFG_TRDT(TRDT_VALUE) | GUSBCFG_PHYSEL;
/* 48MHz 1.1 PHY.*/
otgp->DCFG = 0x02200000 | DCFG_DSPD_FS11;
/* PHY enabled.*/
otgp->PCGCCTL = 0;
/* VBUS sensing and transceiver enabled.*/
otgp->GOTGCTL = GOTGCTL_BVALOEN | GOTGCTL_BVALOVAL;
#if defined(STM32F7XX)
otgp->GCCFG = GCCFG_PWRDWN;
#else
#if defined(BOARD_OTG_NOVBUSSENS)
otgp->GCCFG = GCCFG_NOVBUSSENS | GCCFG_VBUSASEN | GCCFG_VBUSBSEN |
GCCFG_PWRDWN;
#else
otgp->GCCFG = GCCFG_VBUSASEN | GCCFG_VBUSBSEN | GCCFG_PWRDWN;
#if defined(BOARD_OTG2_USES_ULPI)
#if STM32_USB_USE_OTG1
if (&USBD1 == usbp) {
otgp->GCCFG = GCCFG_INIT_VALUE;
}
#endif
#if STM32_USB_USE_OTG2
if (&USBD2 == usbp) {
otgp->GCCFG = 0;
}
#endif
#else
otgp->GCCFG = GCCFG_INIT_VALUE;
#endif
/* Soft core reset.*/
@ -874,12 +953,15 @@ void usb_lld_start(USBDriver *usbp) {
otgp->DOEPMSK = 0;
otgp->DAINTMSK = 0;
if (usbp->config->sof_cb == NULL)
otgp->GINTMSK = GINTMSK_ENUMDNEM | GINTMSK_USBRSTM /*| GINTMSK_USBSUSPM |
GINTMSK_ESUSPM |*/;
otgp->GINTMSK = GINTMSK_ENUMDNEM | GINTMSK_USBRSTM | GINTMSK_USBSUSPM |
GINTMSK_ESUSPM | GINTMSK_SRQM | GINTMSK_WKUM;
else
otgp->GINTMSK = GINTMSK_ENUMDNEM | GINTMSK_USBRSTM /*| GINTMSK_USBSUSPM |
GINTMSK_ESUSPM */ | GINTMSK_SOFM;
otgp->GINTSTS = 0xFFFFFFFF; /* Clears all pending IRQs, if any. */
otgp->GINTMSK = GINTMSK_ENUMDNEM | GINTMSK_USBRSTM | GINTMSK_USBSUSPM |
GINTMSK_ESUSPM | GINTMSK_SRQM | GINTMSK_WKUM |
GINTMSK_SOFM;
/* Clears all pending IRQs, if any. */
otgp->GINTSTS = 0xFFFFFFFF;
#if defined(_CHIBIOS_RT_)
/* Creates the data pump thread. Note, it is created only once.*/
@ -923,14 +1005,17 @@ void usb_lld_stop(USBDriver *usbp) {
#if STM32_USB_USE_OTG1
if (&USBD1 == usbp) {
nvicDisableVector(STM32_OTG1_NUMBER);
rccDisableOTG_FS(FALSE);
rccDisableOTG_FS(false);
}
#endif
#if STM32_USB_USE_OTG2
if (&USBD2 == usbp) {
nvicDisableVector(STM32_OTG2_NUMBER);
rccDisableOTG_HS(FALSE);
rccDisableOTG_HS(false);
#if defined(BOARD_OTG2_USES_ULPI)
rccDisableOTG_HSULPI(true)
#endif
}
#endif
}

9
os/hal/ports/STM32/LLD/OTGv1/usb_lld.h
View File

@ -100,6 +100,15 @@
#define STM32_USB_OTG2_RX_FIFO_SIZE 1024
#endif
/**
* @brief Enables HS mode on OTG2 else FS mode.
* @note The default is @p TRUE.
* @note Has effect only if @p BOARD_OTG2_USES_ULPI is defined.
*/
#if !defined(STM32_USE_USB_OTG2_HS) || defined(__DOXYGEN__)
#define STM32_USE_USB_OTG2_HS TRUE
#endif
/**
* @brief Dedicated data pump threads priority.
*/