From d44bf5acb015edaeacc022f423bae4743b868f53 Mon Sep 17 00:00:00 2001 From: Christian Cunningham Date: Fri, 24 Dec 2021 14:30:23 -0800 Subject: Save USB for later --- src/drivers/usb.c | 327 ------------------------------------------------------ src/drivers/usb.h | 68 ------------ 2 files changed, 395 deletions(-) delete mode 100644 src/drivers/usb.c delete mode 100644 src/drivers/usb.h (limited to 'src/drivers') diff --git a/src/drivers/usb.c b/src/drivers/usb.c deleted file mode 100644 index ea264cb..0000000 --- a/src/drivers/usb.c +++ /dev/null @@ -1,327 +0,0 @@ -#include "../drivers/uart.h" -#include "../drivers/usb.h" -#include "../sys/core.h" - -#define DRIVERS_USB_C -unsigned char usb_buffer0[256] = {0}; -unsigned char usb_buffer1[256] = {0}; -unsigned char usb_buffer3[256] = {0}; - -void my_memcpy(void *dest, void *src, size_t n) { - char *src_char = (char *)src; - char *dest_char = (char *)dest; - for (size_t i=0; i 0) - *p++ = uc; - - return (s); -} - -static void txrx_control_msg(uint8_t txlen) -{ - // send setup & control packet - // set dma buffer - *USB_HOST_HCDMA0 = (uint64_t) usb_buffer0; - *USB_HOST_HCDMA0 |= 0xC0000000; - // HCTSIZ0.Pid = 2'd3 (SETUP) , HCTSIZ0.PktCnt = 10'h1 , HCTSIZ0.XferSize = 18'd8 - *USB_HOST_HCTSIZ0 = 3 << 29 | 1 << 19 | txlen; - // HCCAR1.ChEna = 1'b1 - *USB_HOST_HCCHAR0 |= 1<<31; - - // recieve control packet - // set dma buffer - *USB_HOST_HCDMA1 = (uint64_t) usb_buffer1; - *USB_HOST_HCDMA1 |= 0xC0000000; - // HCTSIZ1.Pid = 2'd2 (DATA1) , HCTSIZ1.PktCnt = 10'h1 , HCTSIZ1.XferSize = 18'd64 - *USB_HOST_HCTSIZ1 = 2 << 29 | 1 << 19 | 64; - // HCCAR1.ChEna = 1'b1 - *USB_HOST_HCCHAR1 |= 1<<31; -} - -void usbhost_id(void) -{ - uart_string("USB_CORE_GUID "); - uart_hex(*USB_CORE_GUID); - uart_string("\nUSB_CORE_GSNPSID "); - uart_hex(*USB_CORE_GSNPSID); - uart_char('\n'); -} - -void usbhost_start(void) -{ - // USB Host power on - // HPRT.PrtPwr = 1'b1 -> HPRT.PrtRst = 1'b1 -> wait 60msec -> HPRT.PrtRst = 1'b0 - *USB_HOST_HPRT |= 1 << 12; - *USB_HOST_HPRT |= 1 << 8; - delay(0x100000); - *USB_HOST_HPRT &= ~(1 << 8); - - // enable irq - // GAHBCFG.GlblIntrMsk = 1'b1 - // GINTMSK.ConIDStsChngMsk = 1'b1, GINTMSK.PrtIntMsk = 1'b1, GINTMSK.SofMsk = 1'b1 - *USB_CORE_GAHBCFG |= 1; - *USB_CORE_GINTMSK = 1 << 28 | 1 << 24 | 0 << 3; - - // port enable and retry detect - // HPRT.PrtPwr = 1'b1, HPRT.PrtEnChng = 1'b1, HPRT.PrtConnDet = 1'b1 - *USB_HOST_HPRT = 1 << 12 | 1 << 3 | 1 << 1; - - // enable channel irq - // HAINTMASK.HAINTMsk = 16'h3 - // HCINTMSK0.XferComplMsk = 1'b1 - *USB_HOST_HAINTMSK |= 0x3; - *USB_HOST_HCINTMSK0 |= 1; - *USB_HOST_HCINTMSK1 |= 1; - - // HCCAR1.EPDir = 1'b0 (OUT) / 1'b01(IN), HCCAR1.MPS = 11'h40 - *USB_HOST_HCCHAR0 |= 0x40; // OUT - *USB_HOST_HCCHAR1 |= 1 << 15 | 0x40; // IN -} - -void usbhost_poll_intr(void) -{ - uint8_t dev = 2; - - my_memset(usb_buffer3, 0, 256); - - // HCCAR3.EPType = 2'b11 (Interupt), HCCAR3.EPDir = 1'b01(IN), HCCAR3.MPS = 11'h40 - *USB_HOST_HCCHAR3 |= 3 << 18 | 1 << 15 | 1 << 11 | 0x40; // IN - *USB_HOST_HCCHAR3 |= dev << 22 ; - - // recieve interrupt transfer - // set dma buffer - *USB_HOST_HCDMA3 = (uint64_t) usb_buffer3; - *USB_HOST_HCDMA3 |= 0xC0000000; - // HCTSIZ1.Pid = 2'd2 (DATA1) , HCTSIZ1.PktCnt = 10'h1 , HCTSIZ1.XferSize = 18'd64 - *USB_HOST_HCTSIZ3 = 2 << 29 | 1 << 19 | 64; - // HCCAR1.ChEna = 1'b1 - *USB_HOST_HCCHAR3 |= 1<<31; - - uart_string("HUB INT "); - for (int i = 0; i < 2; i++) { - uart_hex(usb_buffer3[i]); - uart_char(' '); - } - uart_char('\n'); -} - -static void prepare_control_msg(void) -{ - my_memset(usb_buffer0, 0, 256); - my_memset(usb_buffer1, 0, 256); - - // HCCAR1.EPDir = 1'b0 (OUT) / 1'b01(IN), HCCAR1.MPS = 11'h40 - *USB_HOST_HCCHAR0 |= 0x40; // OUT - *USB_HOST_HCCHAR1 |= 1 << 15 | 0x40; // IN - - //clear dev - *USB_HOST_HCCHAR0 &= ~(0x7f << 22); - *USB_HOST_HCCHAR1 &= ~(0x7f << 22); -} - - -void usbhost_get_descriptor(uint8_t dev, uint8_t descriptor_type, bool is_hub) -{ - prepare_control_msg(); - - *USB_HOST_HCCHAR0 |= dev << 22; - *USB_HOST_HCCHAR1 |= dev << 22; - - // build packet - my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) { - .Type = is_hub ? 0xA0 : 0x80, // DEVICE_TO_HOST | STANDARD | DEVICE - .Request = 0x06, // GET_DESCRIPTOR - .Value = descriptor_type << 8 | 0x00, // descriptor.type = 0x01, decriptor.index = 0x00 - .Index = 0, - .Length = 64, - }, 8); - - txrx_control_msg(8); -} - -void usbhost_get_portstatus(uint8_t dev, uint8_t port, bool is_hub) -{ - prepare_control_msg(); - - *USB_HOST_HCCHAR0 |= dev << 22; - *USB_HOST_HCCHAR1 |= dev << 22; - - // build packet - my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) { - .Type = is_hub ? 0xA3 : 0x80, // DEVICE_TO_HOST | CLASS or STANDARD | DEVICE - .Request = 0x00, // GET_STATUS - .Index = port, - .Length = 4, - }, 8); - - txrx_control_msg(8); - - uart_string("PORT STATUS "); - uart_10(port); - for (int i = 0; i < 4; i++) { - uart_hex(usb_buffer1[i]); - uart_char(' '); - } - uart_char('\n'); -} - -void usbhost_set_address(uint8_t address) -{ - prepare_control_msg(); - - // build packet - my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) { - .Type = 0, - .Request = 5, // Set address request - .Value = address, // Address to set - }, 8); - - txrx_control_msg(8); -} - -void usbhost_set_config(uint8_t dev, uint8_t config) -{ - prepare_control_msg(); - - *USB_HOST_HCCHAR0 |= dev << 22; - *USB_HOST_HCCHAR1 |= dev << 22; - - // build packet - my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) { - .Type = 0, - .Request = 9, // Set config - .Value = config, // Address to set - .Length = 0, - }, 8); - - txrx_control_msg(8); -} - -void usbhost_set_portfeature(uint8_t dev, uint8_t port, uint16_t feature) -{ - prepare_control_msg(); - - *USB_HOST_HCCHAR0 |= dev << 22; - *USB_HOST_HCCHAR1 |= dev << 22; - - // build packet - my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) { - .Type = 0x23, // ?? - .Request = 0x03, // SET_FEATURE - .Value = (uint16_t)feature, // Feature we are changing - .Index = port, - .Length = 0, - }, 8); - - txrx_control_msg(8); -} - -void usbhost_clear_portfeature(uint8_t dev, uint8_t port, uint16_t feature) -{ - prepare_control_msg(); - - *USB_HOST_HCCHAR0 |= dev << 22; - *USB_HOST_HCCHAR1 |= dev << 22; - - // build packet - my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) { - .Type = 0x23, // ?? - .Request = 0x01, // CLEAR_FEATURE - .Value = feature, - .Index = port, - .Length = 0, - }, 8); - - txrx_control_msg(8); -} - -void usb_trig(void) -{ - usbhost_id(); - usbhost_start(); - - uart_string("GET DEVICE_DESCRIPTOR\n"); - usbhost_get_descriptor(0, 0x01, false); - for (int i = 0; i < 18; i++) { - uart_hex(usb_buffer1[i]); - uart_char(' '); - } - uart_char('\n'); - - uart_string("SET ADDRESS 2\n"); - usbhost_set_address(2); - - uart_string("GET CONFIG_DESCRIPTOR\n"); - usbhost_get_descriptor(2, 0x02, false); - for (int i = 0; i < 18; i++) { - uart_hex(usb_buffer1[i]); - uart_char(' '); - } - uart_char('\n'); - - uart_string("SET CONFIG 1\n"); - usbhost_set_config(2, 1); - - uart_string("GET HUB_DESCRIPTOR\n"); - usbhost_get_descriptor(2, 41, true); - for (int i = 0; i < 18; i++) { - uart_hex(usb_buffer1[i]); - uart_char(' '); - } - uart_char('\n'); - uart_string("Hub device 0 has "); - uart_10(usb_buffer1[2]); - uart_string(" ports\n"); - - usbhost_get_portstatus(2, 0, false); - usbhost_get_portstatus(2, 1, true); - usbhost_clear_portfeature(2, 1, 0x0010); - usbhost_get_portstatus(2, 1, true); - - uart_string("SET PORT 1 POWER ON\n"); - usbhost_set_portfeature(2, 1, 0x0008); - usbhost_get_portstatus(2, 1, true); - - delay(0x100000); - - uart_string("CLEAR PORT FEATURE\n"); - usbhost_clear_portfeature(2, 1, 0x0010); - // usbhost_get_portstatus(2, 1, true); - // usbhost_poll_intr(); - - uart_string("SET PORT 1 RESET\n"); - usbhost_set_portfeature(2, 1, 0x0004); - // usbhost_poll_intr(); - - uart_string("CLEAR PORT FEATURE\n"); - usbhost_clear_portfeature(2, 1, 0x0014); - usbhost_clear_portfeature(2, 1, 0x0011); - // usbhost_get_portstatus(2, 1, true); - // usbhost_poll_intr(); - - uart_string("GET DEVICE_DESCRIPTOR\n"); - usbhost_get_descriptor(0, 0x01, false); - for (int i = 0; i < 18; i++) { - uart_hex(usb_buffer1[i]); - uart_char(' '); - } - uart_string("\n"); - - usbhost_set_address(3); - uart_string("GET CONFIG_DESCRIPTOR\n"); - usbhost_get_descriptor(3, 0x02, false); - for (int i = 0; i < 18; i++) { - uart_hex(usb_buffer1[i]); - uart_char(' '); - } - uart_string("\n"); -} diff --git a/src/drivers/usb.h b/src/drivers/usb.h deleted file mode 100644 index e1aae5f..0000000 --- a/src/drivers/usb.h +++ /dev/null @@ -1,68 +0,0 @@ -#ifndef DRIVERS_USB_H -#define DRIVERS_USB_H - -#ifndef DRIVERS_USB_C -extern unsigned char usb_buffer0[256]; -extern unsigned char usb_buffer1[256]; -#endif - -#define size_t unsigned int -#define bool unsigned char -#define uint8_t unsigned char -#define uint16_t unsigned short -#define uint32_t unsigned long -#define uint64_t unsigned long long -#define true 1 -#define false 0 - -#define USB_BASE 0x3F980000 -//CORE -#define USB_CORE_GAHBCFG ((volatile uint32_t *)(0x8 + USB_BASE)) -#define USB_CORE_GINTSTS ((volatile uint32_t *)(0x14 + USB_BASE)) -#define USB_CORE_GINTMSK ((volatile uint32_t *)(0x18 + USB_BASE)) -#define USB_CORE_GUID ((volatile uint32_t *)(0x3C + USB_BASE)) -#define USB_CORE_GSNPSID ((volatile uint32_t *)(0x40 + USB_BASE)) -//HOST -#define USB_HOST_HCFG ((volatile uint32_t *)(0x400 + USB_BASE)) -#define USB_HOST_HAINTMSK ((volatile uint32_t *)(0x418 + USB_BASE)) -#define USB_HOST_HPRT ((volatile uint32_t *)(0x440 + USB_BASE)) -//CHANNEL -#define USB_HOST_HCCHAR0 ((volatile uint32_t *)(0x500 + USB_BASE)) -#define USB_HOST_HCINTMSK0 ((volatile uint32_t *)(0x50C + USB_BASE)) -#define USB_HOST_HCTSIZ0 ((volatile uint32_t *)(0x510 + USB_BASE)) -#define USB_HOST_HCDMA0 ((volatile uint32_t *)(0x514 + USB_BASE)) -#define USB_HOST_HCCHAR1 ((volatile uint32_t *)(0x520 + USB_BASE)) -#define USB_HOST_HCINTMSK1 ((volatile uint32_t *)(0x52C + USB_BASE)) -#define USB_HOST_HCTSIZ1 ((volatile uint32_t *)(0x530 + USB_BASE)) -#define USB_HOST_HCDMA1 ((volatile uint32_t *)(0x534 + USB_BASE)) - -#define USB_HOST_HCCHAR2 ((volatile uint32_t *)(0x540 + USB_BASE)) -#define USB_HOST_HCINTMSK2 ((volatile uint32_t *)(0x54C + USB_BASE)) -#define USB_HOST_HCTSIZ2 ((volatile uint32_t *)(0x550 + USB_BASE)) -#define USB_HOST_HCDMA2 ((volatile uint32_t *)(0x554 + USB_BASE)) -#define USB_HOST_HCCHAR3 ((volatile uint32_t *)(0x560 + USB_BASE)) -#define USB_HOST_HCINTMSK3 ((volatile uint32_t *)(0x56C + USB_BASE)) -#define USB_HOST_HCTSIZ3 ((volatile uint32_t *)(0x570 + USB_BASE)) -#define USB_HOST_HCDMA3 ((volatile uint32_t *)(0x574 + USB_BASE)) - -struct UsbDeviceRequest { - uint8_t Type; - uint8_t Request; - uint16_t Value; - uint16_t Index; - uint16_t Length; -} __attribute__((__packed__)); - -void send_packet(void); -void usbhost_start(void); -void usbhost_id(void); -void usbhost_get_descriptor(uint8_t dev, uint8_t descriptor_type, bool is_hub); -void usbhost_get_portstatus(uint8_t dev, uint8_t port, bool is_hub); -void usbhost_set_address(uint8_t address); -void usbhost_set_config(uint8_t dev, uint8_t config); -void usbhost_set_portfeature(uint8_t dev, uint8_t port, uint16_t feature); -void usbhost_clear_portfeature(uint8_t dev, uint8_t port, uint16_t feature); -void usbhost_poll_intr(void); -void usb_trig(void); - -#endif -- cgit v1.2.1