diff options
| author | Zixun LI <[email protected]> | 2026-07-27 14:58:13 +0200 |
|---|---|---|
| committer | Zixun LI <[email protected]> | 2026-07-27 14:58:13 +0200 |
| commit | f0a8a1483bd4e89ab3adf40d8c61777a5ddadc7f (patch) | |
| tree | fddb42a19c79da6591aaae59323b960441dc5947 | |
| parent | 80ffbff6e98a9c5053bba008ae2c5087f0351300 (diff) | |
portable/chipidea: configure i.MX RT AHB bursts
| -rw-r--r-- | src/portable/chipidea/ci_hs/ci_hs_imxrt.h | 10 | ||||
| -rw-r--r-- | src/portable/chipidea/ci_hs/dcd_ci_hs.c | 4 | ||||
| -rw-r--r-- | src/portable/chipidea/ci_hs/hcd_ci_hs.c | 4 |
3 files changed, 16 insertions, 2 deletions
diff --git a/src/portable/chipidea/ci_hs/ci_hs_imxrt.h b/src/portable/chipidea/ci_hs/ci_hs_imxrt.h index f0f918fe2..601e4d1c9 100644 --- a/src/portable/chipidea/ci_hs/ci_hs_imxrt.h +++ b/src/portable/chipidea/ci_hs/ci_hs_imxrt.h @@ -36,6 +36,16 @@ static const ci_hs_controller_t _ci_controller[] = #define CI_HS_REG(_port) ((ci_hs_regs_t*) _ci_controller[_port].reg_base) +enum { + // INCR16/8/4 followed by an unspecified-length burst for the remainder. + CI_HS_IMXRT_AHBBRST_INCR16_UNSPEC = 0x07u, +}; + +TU_ATTR_ALWAYS_INLINE static inline void ci_hs_imxrt_set_ahb_burst(uint8_t rhport) { + USB_Type *usb = (USB_Type *)_ci_controller[rhport].reg_base; + usb->SBUSCFG = USB_SBUSCFG_AHBBRST(CI_HS_IMXRT_AHBBRST_INCR16_UNSPEC); +} + //------------- DCD -------------// #define CI_DCD_INT_ENABLE(_p) NVIC_EnableIRQ ((IRQn_Type)_ci_controller[_p].irqnum) #define CI_DCD_INT_DISABLE(_p) NVIC_DisableIRQ((IRQn_Type)_ci_controller[_p].irqnum) diff --git a/src/portable/chipidea/ci_hs/dcd_ci_hs.c b/src/portable/chipidea/ci_hs/dcd_ci_hs.c index 32c701bfa..62d75b4d3 100644 --- a/src/portable/chipidea/ci_hs/dcd_ci_hs.c +++ b/src/portable/chipidea/ci_hs/dcd_ci_hs.c @@ -237,7 +237,9 @@ bool dcd_init(uint8_t rhport, const tusb_rhport_init_t *rh_init) { usbmode |= USBMODE_CM_DEVICE; dcd_reg->USBMODE = usbmode; - #if TU_CHECK_MCU(OPT_MCU_LPC18XX, OPT_MCU_LPC43XX) + #if CFG_TUSB_MCU == OPT_MCU_MIMXRT1XXX + ci_hs_imxrt_set_ahb_burst(rhport); + #elif TU_CHECK_MCU(OPT_MCU_LPC18XX, OPT_MCU_LPC43XX) ci_hs_lpc18_43_set_ahb_burst(rhport); #endif diff --git a/src/portable/chipidea/ci_hs/hcd_ci_hs.c b/src/portable/chipidea/ci_hs/hcd_ci_hs.c index c94ce810f..0fc8e4d70 100644 --- a/src/portable/chipidea/ci_hs/hcd_ci_hs.c +++ b/src/portable/chipidea/ci_hs/hcd_ci_hs.c @@ -82,7 +82,9 @@ bool hcd_init(uint8_t rhport, const tusb_rhport_init_t *rh_init) { hcd_reg->USBMODE = USBMODE_CM_HOST; #endif - #if TU_CHECK_MCU(OPT_MCU_LPC18XX, OPT_MCU_LPC43XX) + #if CFG_TUSB_MCU == OPT_MCU_MIMXRT1XXX + ci_hs_imxrt_set_ahb_burst(rhport); + #elif TU_CHECK_MCU(OPT_MCU_LPC18XX, OPT_MCU_LPC43XX) ci_hs_lpc18_43_set_ahb_burst(rhport); #endif |