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Diffstat (limited to 'usb')
-rw-r--r--usb/dwc_otg.h54
-rw-r--r--usb/dwc_otg_def.h26
2 files changed, 39 insertions, 41 deletions
diff --git a/usb/dwc_otg.h b/usb/dwc_otg.h
index 56a317f..1f1ed50 100644
--- a/usb/dwc_otg.h
+++ b/usb/dwc_otg.h
@@ -6,7 +6,7 @@
class USB_otg : public USB_generic {
private:
- DWC_OTG_t& otg;
+ const DWC_OTG_t& otg;
uint32_t rxfifo_size;
@@ -18,7 +18,7 @@ class USB_otg : public USB_generic {
uint32_t buf_end;
void handle_rxfifo() {
- uint32_t status = otg.reg.GRXSTSP;
+ uint32_t status = otg->GRXSTSP;
usb_rblog.log("RXFIFO status: %08x", status);
@@ -75,7 +75,7 @@ class USB_otg : public USB_generic {
virtual void hw_set_address(uint8_t addr) {
usb_rblog.log("SetAddress: %d", addr);
- otg.dev_reg.DCFG |= addr << 4;
+ otg.dev_reg->DCFG |= addr << 4;
}
virtual void hw_conf_ep(uint8_t ep, EPType type, uint32_t size) {
@@ -88,10 +88,10 @@ class USB_otg : public USB_generic {
epctl |= (1 << 28) | (1 << 15) | (ep == 0 ? 64 : size); // USBAEP, SD0PID
if(ep == 0) {
- otg.reg.GRXFSIZ = rxfifo_size >> 2;
+ otg->GRXFSIZ = rxfifo_size >> 2;
buf_end = rxfifo_size >> 2;
- otg.reg.DIEPTXF0 = ((64 >> 2) << 16) | buf_end;
+ otg->DIEPTXF0 = ((64 >> 2) << 16) | buf_end;
buf_end += (64 >> 2);
otg.dev_iep_reg[ep].DIEPTSIZ = size;
@@ -104,7 +104,7 @@ class USB_otg : public USB_generic {
}
if(in) {
- otg.reg.DIEPTXF[ep - 1] = ((size >> 2) << 16) | buf_end;
+ otg->DIEPTXF[ep - 1] = ((size >> 2) << 16) | buf_end;
buf_end += size >> 2;
otg.dev_iep_reg[ep].DIEPTSIZ = size;
@@ -120,7 +120,7 @@ class USB_otg : public USB_generic {
}
public:
- USB_otg(DWC_OTG_t& otg_periph, desc_t dev, desc_t conf) : USB_generic(dev, conf), otg(otg_periph), rxfifo_size(256) {}
+ USB_otg(const DWC_OTG_t& otg_periph, desc_t dev, desc_t conf) : USB_generic(dev, conf), otg(otg_periph), rxfifo_size(256) {}
void set_rxfifo_size(uint32_t size) {
rxfifo_size = size;
@@ -128,76 +128,76 @@ class USB_otg : public USB_generic {
void set_vbus_sense(bool enabled) {
if(enabled) {
- otg.reg.GCCFG &= ~(1 << 21); // NOVBUSSENS
+ otg->GCCFG &= ~(1 << 21); // NOVBUSSENS
} else {
- otg.reg.GCCFG |= (1 << 21); // NOVBUSSENS
+ otg->GCCFG |= (1 << 21); // NOVBUSSENS
}
}
void init() {
// Set PHYSEL.
- otg.reg.GUSBCFG |= (1 << 6);
+ otg->GUSBCFG |= (1 << 6);
- Time::sleep(10);
+ //Time::sleep(10);
- while(!(otg.reg.GRSTCTL & (1 << 31)));
- otg.reg.GRSTCTL |= 1;
- while(otg.reg.GRSTCTL & 1);
+ while(!(otg->GRSTCTL & (1 << 31)));
+ otg->GRSTCTL |= 1;
+ while(otg->GRSTCTL & 1);
- otg.reg.GAHBCFG = 0;
+ otg->GAHBCFG = 0;
// USB configuration
- otg.reg.GUSBCFG = (1 << 30) | (0xf << 10) | (0 << 9) | (0 << 8) | (1 << 6);
+ otg->GUSBCFG = (1 << 30) | (0xf << 10) | (0 << 9) | (0 << 8) | (1 << 6);
// FDMOD TRDT HNPCAP SRPCAP PHYSEL
// interrupt mask
- otg.reg.GINTMSK = (1 << 13) | (1 << 12) | (1 << 11) | (1 << 10) | (1 << 3) | (1 << 2) | (1 << 1) | (1 << 4);
+ otg->GINTMSK = (1 << 13) | (1 << 12) | (1 << 11) | (1 << 10) | (1 << 3) | (1 << 2) | (1 << 1) | (1 << 4);
// ENUMDNEM USBRST USBSUSPM ESUSPM SOFM OTGINT MMISM
// device configuration
- otg.dev_reg.DCFG = (1 << 2) | 3;
+ otg.dev_reg->DCFG = (1 << 2) | 3;
// NZLSOHSK DSPD
// core configuration
- otg.reg.GCCFG = (1 << 19) | (1 << 16);
+ otg->GCCFG = (1 << 19) | (1 << 16);
// VBUSBSEN PWRDWN
}
void process() {
- uint32_t gintsts = otg.reg.GINTSTS;
+ uint32_t gintsts = otg->GINTSTS;
// USB reset.
if(gintsts & (1 << 12)) {
usb_rblog.log("USB Reset");
- otg.dev_reg.DCFG = (1 << 2) | 3;
+ otg.dev_reg->DCFG = (1 << 2) | 3;
otg.dev_oep_reg[0].DOEPCTL = (1 << 27);
otg.dev_oep_reg[1].DOEPCTL = (1 << 27);
otg.dev_oep_reg[2].DOEPCTL = (1 << 27);
otg.dev_oep_reg[3].DOEPCTL = (1 << 27);
- otg.dev_reg.DAINTMSK = (1 << 16) | 1;
- otg.dev_reg.DOEPMSK = (1 << 3) | 1;
- otg.dev_reg.DIEPEMPMSK = (1 << 3) | 1;
+ otg.dev_reg->DAINTMSK = (1 << 16) | 1;
+ otg.dev_reg->DOEPMSK = (1 << 3) | 1;
+ otg.dev_reg->DIEPEMPMSK = (1 << 3) | 1;
buf_end = 0;
handle_reset();
- otg.reg.GINTSTS = 1 << 12;
+ otg->GINTSTS = 1 << 12;
}
// Enumeration done.
if(gintsts & (1 << 13)) {
usb_rblog.log("Enumeration done");
- otg.reg.GINTSTS = 1 << 13;
+ otg->GINTSTS = 1 << 13;
otg.dev_iep_reg[0].DIEPCTL = 0; // MPSIZ = 64 bytes.
}
// OTG interrupt.
if(gintsts & (1 << 2)) {
- otg.reg.GOTGINT = (1 << 2); // SEDET
+ otg->GOTGINT = (1 << 2); // SEDET
}
// RxFIFO non-empty.
diff --git a/usb/dwc_otg_def.h b/usb/dwc_otg_def.h
index 6ed6ba8..2c22af4 100644
--- a/usb/dwc_otg_def.h
+++ b/usb/dwc_otg_def.h
@@ -1,10 +1,8 @@
#ifndef DWC_OTG_DEF_H
#define DWC_OTG_DEF_H
-#include <stdint.h>
+#include <mmio/mmio.h>
-class DWC_OTG_t {
- private:
struct DWC_OTG_reg_t {
volatile uint32_t GOTGCTL;
volatile uint32_t GOTGINT;
@@ -67,19 +65,19 @@ class DWC_OTG_t {
volatile uint32_t buf[1024];
};
+class DWC_OTG_t : public mmio_ptr<DWC_OTG_reg_t> {
public:
- DWC_OTG_reg_t& reg;
- DWC_OTG_dev_reg_t& dev_reg;
- DWC_OTG_dev_iep_reg_t* const dev_iep_reg;
- DWC_OTG_dev_oep_reg_t* const dev_oep_reg;
- DWC_OTG_fifo_reg_t* const fifo;
+ mmio_ptr<DWC_OTG_dev_reg_t> dev_reg;
+ mmio_ptr<DWC_OTG_dev_iep_reg_t> dev_iep_reg;
+ mmio_ptr<DWC_OTG_dev_oep_reg_t> dev_oep_reg;
+ mmio_ptr<DWC_OTG_fifo_reg_t> fifo;
- DWC_OTG_t(uint32_t reg_addr) :
- reg(*(DWC_OTG_reg_t*)reg_addr),
- dev_reg(*(DWC_OTG_dev_reg_t*)(reg_addr + 0x800)),
- dev_iep_reg((DWC_OTG_dev_iep_reg_t*)(reg_addr + 0x900)),
- dev_oep_reg((DWC_OTG_dev_oep_reg_t*)(reg_addr + 0xb00)),
- fifo((DWC_OTG_fifo_reg_t*)(reg_addr + 0x1000)) {}
+ constexpr DWC_OTG_t(uint32_t reg_addr) :
+ mmio_ptr(reg_addr),
+ dev_reg(reg_addr + 0x800),
+ dev_iep_reg(reg_addr + 0x900),
+ dev_oep_reg(reg_addr + 0xb00),
+ fifo(reg_addr + 0x1000) {}
};
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 07:32:26 +0100