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echi: fix NXP USBPHY disconnection detection

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Signed-off-by: HiFiPhile <admin@hifiphile.com>
This commit is contained in:
HiFiPhile 2025-09-12 14:08:54 +02:00
parent 3b4884f8d7
commit 4db2bdad07
1 changed files with 52 additions and 8 deletions
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60
src/portable/ehci/ehci.c
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@ -38,6 +38,11 @@
#include "ehci_api.h"
#include "ehci.h"
// NXP specific fixes
#if TU_CHECK_MCU(OPT_MCU_MIMXRT1XXX, OPT_MCU_LPC55, OPT_MCU_MCXN9)
#include "fsl_device_registers.h"
#endif
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
@ -179,6 +184,36 @@ static void ehci_enable_schedule(ehci_registers_t* regs, bool is_period) {
}
}
#if ((defined FSL_FEATURE_SOC_USBPHY_COUNT) && (FSL_FEATURE_SOC_USBPHY_COUNT > 0U))
static void nxp_usbphy_disconn_detector_set(uint8_t port, bool enable) {
// unify naming convention
#if !defined(USBPHY1) && defined(USBPHY)
#define USBPHY1 USBPHY
#endif
if (port == 0) {
if (enable) {
USBPHY1->CTRL_SET = USBPHY_CTRL_ENHOSTDISCONDETECT_MASK;
} else {
USBPHY1->CTRL_CLR = USBPHY_CTRL_ENHOSTDISCONDETECT_MASK;
}
}
#if FSL_FEATURE_SOC_USBPHY_COUNT > 1U
else if (port == 1) {
if (enable) {
USBPHY2->CTRL_SET = USBPHY_CTRL_ENHOSTDISCONDETECT_MASK;
} else {
USBPHY2->CTRL_CLR = USBPHY_CTRL_ENHOSTDISCONDETECT_MASK;
}
}
#endif
#if !defined(USBPHY1) && defined(USBPHY)
#undef USBPHY1
#endif
}
#endif
//--------------------------------------------------------------------+
// HCD API
//--------------------------------------------------------------------+
@ -213,16 +248,21 @@ void hcd_port_reset_end(uint8_t rhport) {
(void) rhport;
ehci_registers_t* regs = ehci_data.regs;
// skip if reset is already complete
if (!regs->portsc_bm.port_reset) {
return;
// stop reset only if is not complete yet
if (regs->portsc_bm.port_reset) {
// mask out all change bits since they are Write 1 to clear
uint32_t portsc = regs->portsc & ~EHCI_PORTSC_MASK_W1C;
portsc &= ~EHCI_PORTSC_MASK_PORT_RESET;
regs->portsc = portsc;
}
// mask out all change bits since they are Write 1 to clear
uint32_t portsc = regs->portsc & ~EHCI_PORTSC_MASK_W1C;
portsc &= ~EHCI_PORTSC_MASK_PORT_RESET;
regs->portsc = portsc;
#if ((defined FSL_FEATURE_SOC_USBPHY_COUNT) && (FSL_FEATURE_SOC_USBPHY_COUNT > 0U))
// Enable disconnect detector for highspeed device only
if (hcd_port_speed_get(rhport) == TUSB_SPEED_HIGH) {
nxp_usbphy_disconn_detector_set(rhport, true);
}
#endif
}
bool hcd_port_connect_status(uint8_t rhport) {
@ -579,6 +619,10 @@ void port_connect_status_change_isr(uint8_t rhport) {
hcd_event_device_attach(rhport, true);
} else // device unplugged
{
#if ((defined FSL_FEATURE_SOC_USBPHY_COUNT) && (FSL_FEATURE_SOC_USBPHY_COUNT > 0U))
// Disable disconnect detector
nxp_usbphy_disconn_detector_set(rhport, false);
#endif
hcd_event_device_remove(rhport, true);
}
}