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check if dwc2 supports dma

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This commit is contained in:
sakimisu
2023-05-26 20:37:23 +08:00
parent 1c6f062bc9
commit b59c1c6613
3 changed files with 19 additions and 5 deletions
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6
port/dwc2/usb_dc_dwc2.c
View File

@@ -619,6 +619,12 @@ int usb_dc_init(void)
USB_OTG_GLB->GINTMSK = USB_OTG_GINTMSK_USBRST | USB_OTG_GINTMSK_ENUMDNEM |
USB_OTG_GINTMSK_OEPINT | USB_OTG_GINTMSK_IEPINT;
#ifdef CONFIG_USB_DWC2_DMA_ENABLE
if ((USB_OTG_GLB->GHWCFG2 & (0x3U << 3)) == 0U) {
USB_LOG_ERR("This dwc2 version does not support dma, so stop working\r\n");
while (1) {
}
}
USB_OTG_GLB->GAHBCFG |= USB_OTG_GAHBCFG_HBSTLEN_2;
USB_OTG_GLB->GAHBCFG |= USB_OTG_GAHBCFG_DMAEN;
#else

8
port/dwc2/usb_dwc2_reg.h
View File

@@ -22,11 +22,11 @@ typedef struct
uint32_t Reserved30[2]; /*!< Reserved 030h */
__IO uint32_t GCCFG; /*!< General Purpose IO Register 038h */
__IO uint32_t CID; /*!< User ID Register 03Ch */
__IO uint32_t GSNPSID; /* USB_OTG core ID 040h*/
__IO uint32_t GHWCFG1; /* User HW config1 044h*/
__IO uint32_t GHWCFG2; /* User HW config2 048h*/
__IO uint32_t GSNPSID; /*!< USB_OTG core ID 040h */
__IO uint32_t GHWCFG1; /*!< User HW config1 044h */
__IO uint32_t GHWCFG2; /*!< User HW config2 048h */
__IO uint32_t GHWCFG3; /*!< User HW config3 04Ch */
uint32_t Reserved6; /*!< Reserved 050h */
__IO uint32_t GHWCFG4; /*!< User HW config4 050h */
__IO uint32_t GLPMCFG; /*!< LPM Register 054h */
__IO uint32_t GPWRDN; /*!< Power Down Register 058h */
__IO uint32_t GDFIFOCFG; /*!< DFIFO Software Config Register 05Ch */

10
port/dwc2/usb_hc_dwc2.c
View File

@@ -465,7 +465,15 @@ int usb_hc_init(void)
usb_hc_low_level_init();
if ((USB_OTG_GLB->CID & (0x1U << 8)) == 0U) {
USB_LOG_INFO("========== DWC2 params ==========\r\n");
USB_LOG_INFO("CID:%08x\r\n",USB_OTG_GLB->CID);
USB_LOG_INFO("GSNPSID:%08x\r\n",USB_OTG_GLB->GSNPSID);
USB_LOG_INFO("GHWCFG1:%08x\r\n",USB_OTG_GLB->GHWCFG1);
USB_LOG_INFO("GHWCFG2:%08x\r\n",USB_OTG_GLB->GHWCFG2);
USB_LOG_INFO("GHWCFG3:%08x\r\n",USB_OTG_GLB->GHWCFG3);
USB_LOG_INFO("GHWCFG4:%08x\r\n",USB_OTG_GLB->GHWCFG4);
if ((USB_OTG_GLB->GHWCFG2 & (0x3U << 3)) == 0U) {
USB_LOG_ERR("This dwc2 version does not support dma, so stop working\r\n");
while (1) {
}