diff options
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/Makefile | 4 | ||||
| -rw-r--r-- | drivers/usb/host/dwc2.c | 1053 | ||||
| -rw-r--r-- | drivers/usb/host/dwc2.h | 782 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 69 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-rmobile.c | 8 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-sunxi.c | 12 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-keystone.c | 329 |
7 files changed, 2215 insertions, 42 deletions
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index c4f5157a84..1c3592914d 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -43,5 +43,9 @@ obj-$(CONFIG_USB_EHCI_ZYNQ) += ehci-zynq.o # xhci obj-$(CONFIG_USB_XHCI) += xhci.o xhci-mem.o xhci-ring.o +obj-$(CONFIG_USB_XHCI_KEYSTONE) += xhci-keystone.o obj-$(CONFIG_USB_XHCI_EXYNOS) += xhci-exynos5.o obj-$(CONFIG_USB_XHCI_OMAP) += xhci-omap.o + +# designware +obj-$(CONFIG_USB_DWC2) += dwc2.o diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c new file mode 100644 index 0000000000..2a5bbf5ac0 --- /dev/null +++ b/drivers/usb/host/dwc2.c @@ -0,0 +1,1053 @@ +/* + * Copyright (C) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> + * Copyright (C) 2014 Marek Vasut <marex@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> +#include <usb.h> +#include <malloc.h> +#include <usbroothubdes.h> +#include <asm/io.h> + +#include "dwc2.h" + +/* Use only HC channel 0. */ +#define DWC2_HC_CHANNEL 0 + +#define DWC2_STATUS_BUF_SIZE 64 +#define DWC2_DATA_BUF_SIZE (64 * 1024) + +/* We need doubleword-aligned buffers for DMA transfers */ +DEFINE_ALIGN_BUFFER(uint8_t, aligned_buffer, DWC2_DATA_BUF_SIZE, 8); +DEFINE_ALIGN_BUFFER(uint8_t, status_buffer, DWC2_STATUS_BUF_SIZE, 8); + +#define MAX_DEVICE 16 +#define MAX_ENDPOINT 16 +static int bulk_data_toggle[MAX_DEVICE][MAX_ENDPOINT]; +static int control_data_toggle[MAX_DEVICE][MAX_ENDPOINT]; + +static int root_hub_devnum; + +static struct dwc2_core_regs *regs = + (struct dwc2_core_regs *)CONFIG_USB_DWC2_REG_ADDR; + +/* + * DWC2 IP interface + */ +static int wait_for_bit(void *reg, const uint32_t mask, bool set) +{ + unsigned int timeout = 1000000; + uint32_t val; + + while (--timeout) { + val = readl(reg); + if (!set) + val = ~val; + + if ((val & mask) == mask) + return 0; + + udelay(1); + } + + debug("%s: Timeout (reg=%p mask=%08x wait_set=%i)\n", + __func__, reg, mask, set); + + return -ETIMEDOUT; +} + +/* + * Initializes the FSLSPClkSel field of the HCFG register + * depending on the PHY type. + */ +static void init_fslspclksel(struct dwc2_core_regs *regs) +{ + uint32_t phyclk; + +#if (CONFIG_DWC2_PHY_TYPE == DWC2_PHY_TYPE_FS) + phyclk = DWC2_HCFG_FSLSPCLKSEL_48_MHZ; /* Full speed PHY */ +#else + /* High speed PHY running at full speed or high speed */ + phyclk = DWC2_HCFG_FSLSPCLKSEL_30_60_MHZ; +#endif + +#ifdef CONFIG_DWC2_ULPI_FS_LS + uint32_t hwcfg2 = readl(®s->ghwcfg2); + uint32_t hval = (ghwcfg2 & DWC2_HWCFG2_HS_PHY_TYPE_MASK) >> + DWC2_HWCFG2_HS_PHY_TYPE_OFFSET; + uint32_t fval = (ghwcfg2 & DWC2_HWCFG2_FS_PHY_TYPE_MASK) >> + DWC2_HWCFG2_FS_PHY_TYPE_OFFSET; + + if (hval == 2 && fval == 1) + phyclk = DWC2_HCFG_FSLSPCLKSEL_48_MHZ; /* Full speed PHY */ +#endif + + clrsetbits_le32(®s->host_regs.hcfg, + DWC2_HCFG_FSLSPCLKSEL_MASK, + phyclk << DWC2_HCFG_FSLSPCLKSEL_OFFSET); +} + +/* + * Flush a Tx FIFO. + * + * @param regs Programming view of DWC_otg controller. + * @param num Tx FIFO to flush. + */ +static void dwc_otg_flush_tx_fifo(struct dwc2_core_regs *regs, const int num) +{ + int ret; + + writel(DWC2_GRSTCTL_TXFFLSH | (num << DWC2_GRSTCTL_TXFNUM_OFFSET), + ®s->grstctl); + ret = wait_for_bit(®s->grstctl, DWC2_GRSTCTL_TXFFLSH, 0); + if (ret) + printf("%s: Timeout!\n", __func__); + + /* Wait for 3 PHY Clocks */ + udelay(1); +} + +/* + * Flush Rx FIFO. + * + * @param regs Programming view of DWC_otg controller. + */ +static void dwc_otg_flush_rx_fifo(struct dwc2_core_regs *regs) +{ + int ret; + + writel(DWC2_GRSTCTL_RXFFLSH, ®s->grstctl); + ret = wait_for_bit(®s->grstctl, DWC2_GRSTCTL_RXFFLSH, 0); + if (ret) + printf("%s: Timeout!\n", __func__); + + /* Wait for 3 PHY Clocks */ + udelay(1); +} + +/* + * Do core a soft reset of the core. Be careful with this because it + * resets all the internal state machines of the core. + */ +static void dwc_otg_core_reset(struct dwc2_core_regs *regs) +{ + int ret; + + /* Wait for AHB master IDLE state. */ + ret = wait_for_bit(®s->grstctl, DWC2_GRSTCTL_AHBIDLE, 1); + if (ret) + printf("%s: Timeout!\n", __func__); + + /* Core Soft Reset */ + writel(DWC2_GRSTCTL_CSFTRST, ®s->grstctl); + ret = wait_for_bit(®s->grstctl, DWC2_GRSTCTL_CSFTRST, 0); + if (ret) + printf("%s: Timeout!\n", __func__); + + /* + * Wait for core to come out of reset. + * NOTE: This long sleep is _very_ important, otherwise the core will + * not stay in host mode after a connector ID change! + */ + mdelay(100); +} + +/* + * This function initializes the DWC_otg controller registers for + * host mode. + * + * This function flushes the Tx and Rx FIFOs and it flushes any entries in the + * request queues. Host channels are reset to ensure that they are ready for + * performing transfers. + * + * @param regs Programming view of DWC_otg controller + * + */ +static void dwc_otg_core_host_init(struct dwc2_core_regs *regs) +{ + uint32_t nptxfifosize = 0; + uint32_t ptxfifosize = 0; + uint32_t hprt0 = 0; + int i, ret, num_channels; + + /* Restart the Phy Clock */ + writel(0, ®s->pcgcctl); + + /* Initialize Host Configuration Register */ + init_fslspclksel(regs); +#ifdef CONFIG_DWC2_DFLT_SPEED_FULL + setbits_le32(®s->host_regs.hcfg, DWC2_HCFG_FSLSSUPP); +#endif + + /* Configure data FIFO sizes */ +#ifdef CONFIG_DWC2_ENABLE_DYNAMIC_FIFO + if (readl(®s->ghwcfg2) & DWC2_HWCFG2_DYNAMIC_FIFO) { + /* Rx FIFO */ + writel(CONFIG_DWC2_HOST_RX_FIFO_SIZE, ®s->grxfsiz); + + /* Non-periodic Tx FIFO */ + nptxfifosize |= CONFIG_DWC2_HOST_NPERIO_TX_FIFO_SIZE << + DWC2_FIFOSIZE_DEPTH_OFFSET; + nptxfifosize |= CONFIG_DWC2_HOST_RX_FIFO_SIZE << + DWC2_FIFOSIZE_STARTADDR_OFFSET; + writel(nptxfifosize, ®s->gnptxfsiz); + + /* Periodic Tx FIFO */ + ptxfifosize |= CONFIG_DWC2_HOST_PERIO_TX_FIFO_SIZE << + DWC2_FIFOSIZE_DEPTH_OFFSET; + ptxfifosize |= (CONFIG_DWC2_HOST_RX_FIFO_SIZE + + CONFIG_DWC2_HOST_NPERIO_TX_FIFO_SIZE) << + DWC2_FIFOSIZE_STARTADDR_OFFSET; + writel(ptxfifosize, ®s->hptxfsiz); + } +#endif + + /* Clear Host Set HNP Enable in the OTG Control Register */ + clrbits_le32(®s->gotgctl, DWC2_GOTGCTL_HSTSETHNPEN); + + /* Make sure the FIFOs are flushed. */ + dwc_otg_flush_tx_fifo(regs, 0x10); /* All Tx FIFOs */ + dwc_otg_flush_rx_fifo(regs); + + /* Flush out any leftover queued requests. */ + num_channels = readl(®s->ghwcfg2); + num_channels &= DWC2_HWCFG2_NUM_HOST_CHAN_MASK; + num_channels >>= DWC2_HWCFG2_NUM_HOST_CHAN_OFFSET; + num_channels += 1; + + for (i = 0; i < num_channels; i++) + clrsetbits_le32(®s->hc_regs[i].hcchar, + DWC2_HCCHAR_CHEN | DWC2_HCCHAR_EPDIR, + DWC2_HCCHAR_CHDIS); + + /* Halt all channels to put them into a known state. */ + for (i = 0; i < num_channels; i++) { + clrsetbits_le32(®s->hc_regs[i].hcchar, + DWC2_HCCHAR_EPDIR, + DWC2_HCCHAR_CHEN | DWC2_HCCHAR_CHDIS); + ret = wait_for_bit(®s->hc_regs[i].hcchar, + DWC2_HCCHAR_CHEN, 0); + if (ret) + printf("%s: Timeout!\n", __func__); + } + + /* Turn on the vbus power. */ + if (readl(®s->gintsts) & DWC2_GINTSTS_CURMODE_HOST) { + hprt0 = readl(®s->hprt0); + hprt0 &= ~(DWC2_HPRT0_PRTENA | DWC2_HPRT0_PRTCONNDET); + hprt0 &= ~(DWC2_HPRT0_PRTENCHNG | DWC2_HPRT0_PRTOVRCURRCHNG); + if (!(hprt0 & DWC2_HPRT0_PRTPWR)) { + hprt0 |= DWC2_HPRT0_PRTPWR; + writel(hprt0, ®s->hprt0); + } + } +} + +/* + * This function initializes the DWC_otg controller registers and + * prepares the core for device mode or host mode operation. + * + * @param regs Programming view of the DWC_otg controller + */ +static void dwc_otg_core_init(struct dwc2_core_regs *regs) +{ + uint32_t ahbcfg = 0; + uint32_t usbcfg = 0; + uint8_t brst_sz = CONFIG_DWC2_DMA_BURST_SIZE; + + /* Common Initialization */ + usbcfg = readl(®s->gusbcfg); + + /* Program the ULPI External VBUS bit if needed */ +#ifdef CONFIG_DWC2_PHY_ULPI_EXT_VBUS + usbcfg |= DWC2_GUSBCFG_ULPI_EXT_VBUS_DRV; +#else + usbcfg &= ~DWC2_GUSBCFG_ULPI_EXT_VBUS_DRV; +#endif + + /* Set external TS Dline pulsing */ +#ifdef CONFIG_DWC2_TS_DLINE + usbcfg |= DWC2_GUSBCFG_TERM_SEL_DL_PULSE; +#else + usbcfg &= ~DWC2_GUSBCFG_TERM_SEL_DL_PULSE; +#endif + writel(usbcfg, ®s->gusbcfg); + + /* Reset the Controller */ + dwc_otg_core_reset(regs); + + /* + * This programming sequence needs to happen in FS mode before + * any other programming occurs + */ +#if defined(CONFIG_DWC2_DFLT_SPEED_FULL) && \ + (CONFIG_DWC2_PHY_TYPE == DWC2_PHY_TYPE_FS) + /* If FS mode with FS PHY */ + setbits_le32(®s->gusbcfg, DWC2_GUSBCFG_PHYSEL); + + /* Reset after a PHY select */ + dwc_otg_core_reset(regs); + + /* + * Program DCFG.DevSpd or HCFG.FSLSPclkSel to 48Mhz in FS. + * Also do this on HNP Dev/Host mode switches (done in dev_init + * and host_init). + */ + if (readl(®s->gintsts) & DWC2_GINTSTS_CURMODE_HOST) + init_fslspclksel(regs); + +#ifdef CONFIG_DWC2_I2C_ENABLE + /* Program GUSBCFG.OtgUtmifsSel to I2C */ + setbits_le32(®s->gusbcfg, DWC2_GUSBCFG_OTGUTMIFSSEL); + + /* Program GI2CCTL.I2CEn */ + clrsetbits_le32(®s->gi2cctl, DWC2_GI2CCTL_I2CEN | + DWC2_GI2CCTL_I2CDEVADDR_MASK, + 1 << DWC2_GI2CCTL_I2CDEVADDR_OFFSET); + setbits_le32(®s->gi2cctl, DWC2_GI2CCTL_I2CEN); +#endif + +#else + /* High speed PHY. */ + + /* + * HS PHY parameters. These parameters are preserved during + * soft reset so only program the first time. Do a soft reset + * immediately after setting phyif. + */ + usbcfg &= ~(DWC2_GUSBCFG_ULPI_UTMI_SEL | DWC2_GUSBCFG_PHYIF); + usbcfg |= CONFIG_DWC2_PHY_TYPE << DWC2_GUSBCFG_ULPI_UTMI_SEL_OFFSET; + + if (usbcfg & DWC2_GUSBCFG_ULPI_UTMI_SEL) { /* ULPI interface */ +#ifdef CONFIG_DWC2_PHY_ULPI_DDR + usbcfg |= DWC2_GUSBCFG_DDRSEL; +#else + usbcfg &= ~DWC2_GUSBCFG_DDRSEL; +#endif + } else { /* UTMI+ interface */ +#if (CONFIG_DWC2_UTMI_PHY_WIDTH == 16) + usbcfg |= DWC2_GUSBCFG_PHYIF; +#endif + } + + writel(usbcfg, ®s->gusbcfg); + + /* Reset after setting the PHY parameters */ + dwc_otg_core_reset(regs); +#endif + + usbcfg = readl(®s->gusbcfg); + usbcfg &= ~(DWC2_GUSBCFG_ULPI_FSLS | DWC2_GUSBCFG_ULPI_CLK_SUS_M); +#ifdef CONFIG_DWC2_ULPI_FS_LS + uint32_t hwcfg2 = readl(®s->ghwcfg2); + uint32_t hval = (ghwcfg2 & DWC2_HWCFG2_HS_PHY_TYPE_MASK) >> + DWC2_HWCFG2_HS_PHY_TYPE_OFFSET; + uint32_t fval = (ghwcfg2 & DWC2_HWCFG2_FS_PHY_TYPE_MASK) >> + DWC2_HWCFG2_FS_PHY_TYPE_OFFSET; + if (hval == 2 && fval == 1) { + usbcfg |= DWC2_GUSBCFG_ULPI_FSLS; + usbcfg |= DWC2_GUSBCFG_ULPI_CLK_SUS_M; + } +#endif + writel(usbcfg, ®s->gusbcfg); + + /* Program the GAHBCFG Register. */ + switch (readl(®s->ghwcfg2) & DWC2_HWCFG2_ARCHITECTURE_MASK) { + case DWC2_HWCFG2_ARCHITECTURE_SLAVE_ONLY: + break; + case DWC2_HWCFG2_ARCHITECTURE_EXT_DMA: + while (brst_sz > 1) { + ahbcfg |= ahbcfg + (1 << DWC2_GAHBCFG_HBURSTLEN_OFFSET); + ahbcfg &= DWC2_GAHBCFG_HBURSTLEN_MASK; + brst_sz >>= 1; + } + +#ifdef CONFIG_DWC2_DMA_ENABLE + ahbcfg |= DWC2_GAHBCFG_DMAENABLE; +#endif + break; + + case DWC2_HWCFG2_ARCHITECTURE_INT_DMA: + ahbcfg |= DWC2_GAHBCFG_HBURSTLEN_INCR4; +#ifdef CONFIG_DWC2_DMA_ENABLE + ahbcfg |= DWC2_GAHBCFG_DMAENABLE; +#endif + break; + } + + writel(ahbcfg, ®s->gahbcfg); + + /* Program the GUSBCFG register for HNP/SRP. */ + setbits_le32(®s->gusbcfg, DWC2_GUSBCFG_HNPCAP | DWC2_GUSBCFG_SRPCAP); + +#ifdef CONFIG_DWC2_IC_USB_CAP + setbits_le32(®s->gusbcfg, DWC2_GUSBCFG_IC_USB_CAP); +#endif +} + +/* + * Prepares a host channel for transferring packets to/from a specific + * endpoint. The HCCHARn register is set up with the characteristics specified + * in _hc. Host channel interrupts that may need to be serviced while this + * transfer is in progress are enabled. + * + * @param regs Programming view of DWC_otg controller + * @param hc Information needed to initialize the host channel + */ +static void dwc_otg_hc_init(struct dwc2_core_regs *regs, uint8_t hc_num, + uint8_t dev_addr, uint8_t ep_num, uint8_t ep_is_in, + uint8_t ep_type, uint16_t max_packet) +{ + struct dwc2_hc_regs *hc_regs = ®s->hc_regs[hc_num]; + const uint32_t hcchar = (dev_addr << DWC2_HCCHAR_DEVADDR_OFFSET) | + (ep_num << DWC2_HCCHAR_EPNUM_OFFSET) | + (ep_is_in << DWC2_HCCHAR_EPDIR_OFFSET) | + (ep_type << DWC2_HCCHAR_EPTYPE_OFFSET) | + (max_packet << DWC2_HCCHAR_MPS_OFFSET); + + /* Clear old interrupt conditions for this host channel. */ + writel(0x3fff, &hc_regs->hcint); + + /* + * Program the HCCHARn register with the endpoint characteristics + * for the current transfer. + */ + writel(hcchar, &hc_regs->hcchar); + + /* Program the HCSPLIT register for SPLITs */ + writel(0, &hc_regs->hcsplt); +} + +/* + * DWC2 to USB API interface + */ +/* Direction: In ; Request: Status */ +static int dwc_otg_submit_rh_msg_in_status(struct usb_device *dev, void *buffer, + int txlen, struct devrequest *cmd) +{ + uint32_t hprt0 = 0; + uint32_t port_status = 0; + uint32_t port_change = 0; + int len = 0; + int stat = 0; + + switch (cmd->requesttype & ~USB_DIR_IN) { + case 0: + *(uint16_t *)buffer = cpu_to_le16(1); + len = 2; + break; + case USB_RECIP_INTERFACE: + case USB_RECIP_ENDPOINT: + *(uint16_t *)buffer = cpu_to_le16(0); + len = 2; + break; + case USB_TYPE_CLASS: + *(uint32_t *)buffer = cpu_to_le32(0); + len = 4; + break; + case USB_RECIP_OTHER | USB_TYPE_CLASS: + hprt0 = readl(®s->hprt0); + if (hprt0 & DWC2_HPRT0_PRTCONNSTS) + port_status |= USB_PORT_STAT_CONNECTION; + if (hprt0 & DWC2_HPRT0_PRTENA) + port_status |= USB_PORT_STAT_ENABLE; + if (hprt0 & DWC2_HPRT0_PRTSUSP) + port_status |= USB_PORT_STAT_SUSPEND; + if (hprt0 & DWC2_HPRT0_PRTOVRCURRACT) + port_status |= USB_PORT_STAT_OVERCURRENT; + if (hprt0 & DWC2_HPRT0_PRTRST) + port_status |= USB_PORT_STAT_RESET; + if (hprt0 & DWC2_HPRT0_PRTPWR) + port_status |= USB_PORT_STAT_POWER; + + port_status |= USB_PORT_STAT_HIGH_SPEED; + + if (hprt0 & DWC2_HPRT0_PRTENCHNG) + port_change |= USB_PORT_STAT_C_ENABLE; + if (hprt0 & DWC2_HPRT0_PRTCONNDET) + port_change |= USB_PORT_STAT_C_CONNECTION; + if (hprt0 & DWC2_HPRT0_PRTOVRCURRCHNG) + port_change |= USB_PORT_STAT_C_OVERCURRENT; + + *(uint32_t *)buffer = cpu_to_le32(port_status | + (port_change << 16)); + len = 4; + break; + default: + puts("unsupported root hub command\n"); + stat = USB_ST_STALLED; + } + + dev->act_len = min(len, txlen); + dev->status = stat; + + return stat; +} + +/* Direction: In ; Request: Descriptor */ +static int dwc_otg_submit_rh_msg_in_descriptor(struct usb_device *dev, + void *buffer, int txlen, + struct devrequest *cmd) +{ + unsigned char data[32]; + uint32_t dsc; + int len = 0; + int stat = 0; + uint16_t wValue = cpu_to_le16(cmd->value); + uint16_t wLength = cpu_to_le16(cmd->length); + + switch (cmd->requesttype & ~USB_DIR_IN) { + case 0: + switch (wValue & 0xff00) { + case 0x0100: /* device descriptor */ + len = min3(txlen, sizeof(root_hub_dev_des), wLength); + memcpy(buffer, root_hub_dev_des, len); + break; + case 0x0200: /* configuration descriptor */ + len = min3(txlen, sizeof(root_hub_config_des), wLength); + memcpy(buffer, root_hub_config_des, len); + break; + case 0x0300: /* string descriptors */ + switch (wValue & 0xff) { + case 0x00: + len = min3(txlen, sizeof(root_hub_str_index0), + wLength); + memcpy(buffer, root_hub_str_index0, len); + break; + case 0x01: + len = min3(txlen, sizeof(root_hub_str_index1), + wLength); + memcpy(buffer, root_hub_str_index1, len); + break; + } + break; + default: + stat = USB_ST_STALLED; + } + break; + + case USB_TYPE_CLASS: + /* Root port config, set 1 port and nothing else. */ + dsc = 0x00000001; + + data[0] = 9; /* min length; */ + data[1] = 0x29; + data[2] = dsc & RH_A_NDP; + data[3] = 0; + if (dsc & RH_A_PSM) + data[3] |= 0x1; + if (dsc & RH_A_NOCP) + data[3] |= 0x10; + else if (dsc & RH_A_OCPM) + data[3] |= 0x8; + + /* corresponds to data[4-7] */ + data[5] = (dsc & RH_A_POTPGT) >> 24; + data[7] = dsc & RH_B_DR; + if (data[2] < 7) { + data[8] = 0xff; + } else { + data[0] += 2; + data[8] = (dsc & RH_B_DR) >> 8; + data[9] = 0xff; + data[10] = data[9]; + } + + len = min3(txlen, data[0], wLength); + memcpy(buffer, data, len); + break; + default: + puts("unsupported root hub command\n"); + stat = USB_ST_STALLED; + } + + dev->act_len = min(len, txlen); + dev->status = stat; + + return stat; +} + +/* Direction: In ; Request: Configuration */ +static int dwc_otg_submit_rh_msg_in_configuration(struct usb_device *dev, + void *buffer, int txlen, + struct devrequest *cmd) +{ + int len = 0; + int stat = 0; + + switch (cmd->requesttype & ~USB_DIR_IN) { + case 0: + *(uint8_t *)buffer = 0x01; + len = 1; + break; + default: + puts("unsupported root hub command\n"); + stat = USB_ST_STALLED; + } + + dev->act_len = min(len, txlen); + dev->status = stat; + + return stat; +} + +/* Direction: In */ +static int dwc_otg_submit_rh_msg_in(struct usb_device *dev, + void *buffer, int txlen, + struct devrequest *cmd) +{ + switch (cmd->request) { + case USB_REQ_GET_STATUS: + return dwc_otg_submit_rh_msg_in_status(dev, buffer, + txlen, cmd); + case USB_REQ_GET_DESCRIPTOR: + return dwc_otg_submit_rh_msg_in_descriptor(dev, buffer, + txlen, cmd); + case USB_REQ_GET_CONFIGURATION: + return dwc_otg_submit_rh_msg_in_configuration(dev, buffer, + txlen, cmd); + default: + puts("unsupported root hub command\n"); + return USB_ST_STALLED; + } +} + +/* Direction: Out */ +static int dwc_otg_submit_rh_msg_out(struct usb_device *dev, + void *buffer, int txlen, + struct devrequest *cmd) +{ + int len = 0; + int stat = 0; + uint16_t bmrtype_breq = cmd->requesttype | (cmd->request << 8); + uint16_t wValue = cpu_to_le16(cmd->value); + + switch (bmrtype_breq & ~USB_DIR_IN) { + case (USB_REQ_CLEAR_FEATURE << 8) | USB_RECIP_ENDPOINT: + case (USB_REQ_CLEAR_FEATURE << 8) | USB_TYPE_CLASS: + break; + + case (USB_REQ_CLEAR_FEATURE << 8) | USB_RECIP_OTHER | USB_TYPE_CLASS: + switch (wValue) { + case USB_PORT_FEAT_C_CONNECTION: + setbits_le32(®s->hprt0, DWC2_HPRT0_PRTCONNDET); + break; + } + break; + + case (USB_REQ_SET_FEATURE << 8) | USB_RECIP_OTHER | USB_TYPE_CLASS: + switch (wValue) { + case USB_PORT_FEAT_SUSPEND: + break; + + case USB_PORT_FEAT_RESET: + clrsetbits_le32(®s->hprt0, DWC2_HPRT0_PRTENA | + DWC2_HPRT0_PRTCONNDET | + DWC2_HPRT0_PRTENCHNG | + DWC2_HPRT0_PRTOVRCURRCHNG, + DWC2_HPRT0_PRTRST); + mdelay(50); + clrbits_le32(®s->hprt0, DWC2_HPRT0_PRTRST); + break; + + case USB_PORT_FEAT_POWER: + clrsetbits_le32(®s->hprt0, DWC2_HPRT0_PRTENA | + DWC2_HPRT0_PRTCONNDET | + DWC2_HPRT0_PRTENCHNG | + DWC2_HPRT0_PRTOVRCURRCHNG, + DWC2_HPRT0_PRTRST); + break; + + case USB_PORT_FEAT_ENABLE: + break; + } + break; + case (USB_REQ_SET_ADDRESS << 8): + root_hub_devnum = wValue; + break; + case (USB_REQ_SET_CONFIGURATION << 8): + break; + default: + puts("unsupported root hub command\n"); + stat = USB_ST_STALLED; + } + + len = min(len, txlen); + + dev->act_len = len; + dev->status = stat; + + return stat; +} + +static int dwc_otg_submit_rh_msg(struct usb_device *dev, unsigned long pipe, + void *buffer, int txlen, + struct devrequest *cmd) +{ + int stat = 0; + + if (usb_pipeint(pipe)) { + puts("Root-Hub submit IRQ: NOT implemented\n"); + return 0; + } + + if (cmd->requesttype & USB_DIR_IN) + stat = dwc_otg_submit_rh_msg_in(dev, buffer, txlen, cmd); + else + stat = dwc_otg_submit_rh_msg_out(dev, buffer, txlen, cmd); + + mdelay(1); + + return stat; +} + +/* U-Boot USB transmission interface */ +int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int len) +{ + int devnum = usb_pipedevice(pipe); + int ep = usb_pipeendpoint(pipe); + int max = usb_maxpacket(dev, pipe); + int done = 0; + uint32_t hctsiz, sub, tmp; + struct dwc2_hc_regs *hc_regs = ®s->hc_regs[DWC2_HC_CHANNEL]; + uint32_t hcint; + uint32_t xfer_len; + uint32_t num_packets; + int stop_transfer = 0; + unsigned int timeout = 1000000; + + if (devnum == root_hub_devnum) { + dev->status = 0; + return -EINVAL; + } + + if (len > DWC2_DATA_BUF_SIZE) { + printf("%s: %d is more then available buffer size (%d)\n", + __func__, len, DWC2_DATA_BUF_SIZE); + dev->status = 0; + dev->act_len = 0; + return -EINVAL; + } + + while ((done < len) && !stop_transfer) { + /* Initialize channel */ + dwc_otg_hc_init(regs, DWC2_HC_CHANNEL, devnum, ep, + usb_pipein(pipe), DWC2_HCCHAR_EPTYPE_BULK, max); + + xfer_len = len - done; + /* Make sure that xfer_len is a multiple of max packet size. */ + if (xfer_len > CONFIG_DWC2_MAX_TRANSFER_SIZE) + xfer_len = CONFIG_DWC2_MAX_TRANSFER_SIZE - max + 1; + + if (xfer_len > 0) { + num_packets = (xfer_len + max - 1) / max; + if (num_packets > CONFIG_DWC2_MAX_PACKET_COUNT) { + num_packets = CONFIG_DWC2_MAX_PACKET_COUNT; + xfer_len = num_packets * max; + } + } else { + num_packets = 1; + } + + if (usb_pipein(pipe)) + xfer_len = num_packets * max; + + writel((xfer_len << DWC2_HCTSIZ_XFERSIZE_OFFSET) | + (num_packets << DWC2_HCTSIZ_PKTCNT_OFFSET) | + (bulk_data_toggle[devnum][ep] << + DWC2_HCTSIZ_PID_OFFSET), + &hc_regs->hctsiz); + + memcpy(aligned_buffer, (char *)buffer + done, len - done); + writel((uint32_t)aligned_buffer, &hc_regs->hcdma); + + /* Set host channel enable after all other setup is complete. */ + clrsetbits_le32(&hc_regs->hcchar, DWC2_HCCHAR_MULTICNT_MASK | + DWC2_HCCHAR_CHEN | DWC2_HCCHAR_CHDIS, + (1 << DWC2_HCCHAR_MULTICNT_OFFSET) | + DWC2_HCCHAR_CHEN); + + while (1) { + hcint = readl(&hc_regs->hcint); + + if (!(hcint & DWC2_HCINT_CHHLTD)) + continue; + + if (hcint & DWC2_HCINT_XFERCOMP) { + hctsiz = readl(&hc_regs->hctsiz); + done += xfer_len; + + sub = hctsiz & DWC2_HCTSIZ_XFERSIZE_MASK; + sub >>= DWC2_HCTSIZ_XFERSIZE_OFFSET; + + if (usb_pipein(pipe)) { + done -= sub; + if (hctsiz & DWC2_HCTSIZ_XFERSIZE_MASK) + stop_transfer = 1; + } + + tmp = hctsiz & DWC2_HCTSIZ_PID_MASK; + tmp >>= DWC2_HCTSIZ_PID_OFFSET; + if (tmp == DWC2_HC_PID_DATA1) { + bulk_data_toggle[devnum][ep] = + DWC2_HC_PID_DATA1; + } else { + bulk_data_toggle[devnum][ep] = + DWC2_HC_PID_DATA0; + } + break; + } + + if (hcint & DWC2_HCINT_STALL) { + puts("DWC OTG: Channel halted\n"); + bulk_data_toggle[devnum][ep] = + DWC2_HC_PID_DATA0; + + stop_transfer = 1; + break; + } + + if (!--timeout) { + printf("%s: Timeout!\n", __func__); + break; + } + } + } + + if (done && usb_pipein(pipe)) + memcpy(buffer, aligned_buffer, done); + + writel(0, &hc_regs->hcintmsk); + writel(0xFFFFFFFF, &hc_regs->hcint); + + dev->status = 0; + dev->act_len = done; + + return 0; +} + +int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int len, struct devrequest *setup) +{ + struct dwc2_hc_regs *hc_regs = ®s->hc_regs[DWC2_HC_CHANNEL]; + int done = 0; + int devnum = usb_pipedevice(pipe); + int ep = usb_pipeendpoint(pipe); + int max = usb_maxpacket(dev, pipe); + uint32_t hctsiz = 0, sub, tmp, ret; + uint32_t hcint; + const uint32_t hcint_comp_hlt_ack = DWC2_HCINT_XFERCOMP | + DWC2_HCINT_CHHLTD | DWC2_HCINT_ACK; + unsigned int timeout = 1000000; + + /* For CONTROL endpoint pid should start with DATA1 */ + int status_direction; + + if (devnum == root_hub_devnum) { + dev->status = 0; + dev->speed = USB_SPEED_HIGH; + return dwc_otg_submit_rh_msg(dev, pipe, buffer, len, setup); + } + + if (len > DWC2_DATA_BUF_SIZE) { + printf("%s: %d is more then available buffer size(%d)\n", + __func__, len, DWC2_DATA_BUF_SIZE); + dev->status = 0; + dev->act_len = 0; + return -EINVAL; + } + + /* Initialize channel, OUT for setup buffer */ + dwc_otg_hc_init(regs, DWC2_HC_CHANNEL, devnum, ep, 0, + DWC2_HCCHAR_EPTYPE_CONTROL, max); + + /* SETUP stage */ + writel((8 << DWC2_HCTSIZ_XFERSIZE_OFFSET) | + (1 << DWC2_HCTSIZ_PKTCNT_OFFSET) | + (DWC2_HC_PID_SETUP << DWC2_HCTSIZ_PID_OFFSET), + &hc_regs->hctsiz); + + writel((uint32_t)setup, &hc_regs->hcdma); + + /* Set host channel enable after all other setup is complete. */ + clrsetbits_le32(&hc_regs->hcchar, DWC2_HCCHAR_MULTICNT_MASK | + DWC2_HCCHAR_CHEN | DWC2_HCCHAR_CHDIS, + (1 << DWC2_HCCHAR_MULTICNT_OFFSET) | DWC2_HCCHAR_CHEN); + + ret = wait_for_bit(&hc_regs->hcint, DWC2_HCINT_CHHLTD, 1); + if (ret) + printf("%s: Timeout!\n", __func__); + + hcint = readl(&hc_regs->hcint); + + if (!(hcint & DWC2_HCINT_CHHLTD) || !(hcint & DWC2_HCINT_XFERCOMP)) { + printf("%s: Error (HCINT=%08x)\n", __func__, hcint); + dev->status = 0; + dev->act_len = 0; + return -EINVAL; + } + + /* Clear interrupts */ + writel(0, &hc_regs->hcintmsk); + writel(0xFFFFFFFF, &hc_regs->hcint); + + if (buffer) { + /* DATA stage */ + dwc_otg_hc_init(regs, DWC2_HC_CHANNEL, devnum, ep, + usb_pipein(pipe), + DWC2_HCCHAR_EPTYPE_CONTROL, max); + + /* TODO: check if len < 64 */ + control_data_toggle[devnum][ep] = DWC2_HC_PID_DATA1; + writel((len << DWC2_HCTSIZ_XFERSIZE_OFFSET) | + (1 << DWC2_HCTSIZ_PKTCNT_OFFSET) | + (control_data_toggle[devnum][ep] << + DWC2_HCTSIZ_PID_OFFSET), + &hc_regs->hctsiz); + + writel((uint32_t)buffer, &hc_regs->hcdma); + + /* Set host channel enable after all other setup is complete */ + clrsetbits_le32(&hc_regs->hcchar, DWC2_HCCHAR_MULTICNT_MASK | + DWC2_HCCHAR_CHEN | DWC2_HCCHAR_CHDIS, + (1 << DWC2_HCCHAR_MULTICNT_OFFSET) | + DWC2_HCCHAR_CHEN); + + while (1) { + hcint = readl(&hc_regs->hcint); + if (!(hcint & DWC2_HCINT_CHHLTD)) + continue; + + if (hcint & DWC2_HCINT_XFERCOMP) { + hctsiz = readl(&hc_regs->hctsiz); + done = len; + + sub = hctsiz & DWC2_HCTSIZ_XFERSIZE_MASK; + sub >>= DWC2_HCTSIZ_XFERSIZE_OFFSET; + + if (usb_pipein(pipe)) + done -= sub; + } + + if (hcint & DWC2_HCINT_ACK) { + tmp = hctsiz & DWC2_HCTSIZ_PID_MASK; + tmp >>= DWC2_HCTSIZ_PID_OFFSET; + if (tmp == DWC2_HC_PID_DATA0) { + control_data_toggle[devnum][ep] = + DWC2_HC_PID_DATA0; + } else { + control_data_toggle[devnum][ep] = + DWC2_HC_PID_DATA1; + } + } + + if (hcint != hcint_comp_hlt_ack) { + printf("%s: Error (HCINT=%08x)\n", + __func__, hcint); + goto out; + } + + if (!--timeout) { + printf("%s: Timeout!\n", __func__); + goto out; + } + + break; + } + } /* End of DATA stage */ + + /* STATUS stage */ + if ((len == 0) || usb_pipeout(pipe)) + status_direction = 1; + else + status_direction = 0; + + dwc_otg_hc_init(regs, DWC2_HC_CHANNEL, devnum, ep, + status_direction, DWC2_HCCHAR_EPTYPE_CONTROL, max); + + writel((1 << DWC2_HCTSIZ_PKTCNT_OFFSET) | + (DWC2_HC_PID_DATA1 << DWC2_HCTSIZ_PID_OFFSET), + &hc_regs->hctsiz); + + writel((uint32_t)status_buffer, &hc_regs->hcdma); + + /* Set host channel enable after all other setup is complete. */ + clrsetbits_le32(&hc_regs->hcchar, DWC2_HCCHAR_MULTICNT_MASK | + DWC2_HCCHAR_CHEN | DWC2_HCCHAR_CHDIS, + (1 << DWC2_HCCHAR_MULTICNT_OFFSET) | DWC2_HCCHAR_CHEN); + + while (1) { + hcint = readl(&hc_regs->hcint); + if (hcint & DWC2_HCINT_CHHLTD) + break; + } + + if (hcint != hcint_comp_hlt_ack) + printf("%s: Error (HCINT=%08x)\n", __func__, hcint); + +out: + dev->act_len = done; + dev->status = 0; + + return done; +} + +int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int len, int interval) +{ + printf("dev = %p pipe = %#lx buf = %p size = %d int = %d\n", + dev, pipe, buffer, len, interval); + return -ENOSYS; +} + +/* U-Boot USB control interface */ +int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) +{ + uint32_t snpsid; + int i, j; + + root_hub_devnum = 0; + + snpsid = readl(®s->gsnpsid); + printf("Core Release: %x.%03x\n", snpsid >> 12 & 0xf, snpsid & 0xfff); + + if ((snpsid & DWC2_SNPSID_DEVID_MASK) != DWC2_SNPSID_DEVID_VER_2xx) { + printf("SNPSID invalid (not DWC2 OTG device): %08x\n", snpsid); + return -ENODEV; + } + + dwc_otg_core_init(regs); + dwc_otg_core_host_init(regs); + + clrsetbits_le32(®s->hprt0, DWC2_HPRT0_PRTENA | + DWC2_HPRT0_PRTCONNDET | DWC2_HPRT0_PRTENCHNG | + DWC2_HPRT0_PRTOVRCURRCHNG, + DWC2_HPRT0_PRTRST); + mdelay(50); + clrbits_le32(®s->hprt0, DWC2_HPRT0_PRTENA | DWC2_HPRT0_PRTCONNDET | + DWC2_HPRT0_PRTENCHNG | DWC2_HPRT0_PRTOVRCURRCHNG | + DWC2_HPRT0_PRTRST); + + for (i = 0; i < MAX_DEVICE; i++) { + for (j = 0; j < MAX_ENDPOINT; j++) { + control_data_toggle[i][j] = DWC2_HC_PID_DATA1; + bulk_data_toggle[i][j] = DWC2_HC_PID_DATA0; + } + } + + return 0; +} + +int usb_lowlevel_stop(int index) +{ + /* Put everything in reset. */ + clrsetbits_le32(®s->hprt0, DWC2_HPRT0_PRTENA | + DWC2_HPRT0_PRTCONNDET | DWC2_HPRT0_PRTENCHNG | + DWC2_HPRT0_PRTOVRCURRCHNG, + DWC2_HPRT0_PRTRST); + return 0; +} diff --git a/drivers/usb/host/dwc2.h b/drivers/usb/host/dwc2.h new file mode 100644 index 0000000000..ba08fd554f --- /dev/null +++ b/drivers/usb/host/dwc2.h @@ -0,0 +1,782 @@ +/* + * Copyright (C) 2014 Marek Vasut <marex@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __DWC2_H__ +#define __DWC2_H__ + +struct dwc2_hc_regs { + u32 hcchar; /* 0x00 */ + u32 hcsplt; + u32 hcint; + u32 hcintmsk; + u32 hctsiz; /* 0x10 */ + u32 hcdma; + u32 reserved; + u32 hcdmab; +}; + +struct dwc2_host_regs { + u32 hcfg; /* 0x00 */ + u32 hfir; + u32 hfnum; + u32 _pad_0x40c; + u32 hptxsts; /* 0x10 */ + u32 haint; + u32 haintmsk; + u32 hflbaddr; +}; + +struct dwc2_core_regs { + u32 gotgctl; /* 0x000 */ + u32 gotgint; + u32 gahbcfg; + u32 gusbcfg; + u32 grstctl; /* 0x010 */ + u32 gintsts; + u32 gintmsk; + u32 grxstsr; + u32 grxstsp; /* 0x020 */ + u32 grxfsiz; + u32 gnptxfsiz; + u32 gnptxsts; + u32 gi2cctl; /* 0x030 */ + u32 gpvndctl; + u32 ggpio; + u32 guid; + u32 gsnpsid; /* 0x040 */ + u32 ghwcfg1; + u32 ghwcfg2; + u32 ghwcfg3; + u32 ghwcfg4; /* 0x050 */ + u32 glpmcfg; + u32 _pad_0x58_0x9c[42]; + u32 hptxfsiz; /* 0x100 */ + u32 dptxfsiz_dieptxf[15]; + u32 _pad_0x140_0x3fc[176]; + struct dwc2_host_regs host_regs; /* 0x400 */ + u32 _pad_0x420_0x43c[8]; + u32 hprt0; /* 0x440 */ + u32 _pad_0x444_0x4fc[47]; + struct dwc2_hc_regs hc_regs[16]; /* 0x500 */ + u32 _pad_0x700_0xe00[448]; + u32 pcgcctl; /* 0xe00 */ +}; + +#define DWC2_GOTGCTL_SESREQSCS (1 << 0) +#define DWC2_GOTGCTL_SESREQSCS_OFFSET 0 +#define DWC2_GOTGCTL_SESREQ (1 << 1) +#define DWC2_GOTGCTL_SESREQ_OFFSET 1 +#define DWC2_GOTGCTL_HSTNEGSCS (1 << 8) +#define DWC2_GOTGCTL_HSTNEGSCS_OFFSET 8 +#define DWC2_GOTGCTL_HNPREQ (1 << 9) +#define DWC2_GOTGCTL_HNPREQ_OFFSET 9 +#define DWC2_GOTGCTL_HSTSETHNPEN (1 << 10) +#define DWC2_GOTGCTL_HSTSETHNPEN_OFFSET 10 +#define DWC2_GOTGCTL_DEVHNPEN (1 << 11) +#define DWC2_GOTGCTL_DEVHNPEN_OFFSET 11 +#define DWC2_GOTGCTL_CONIDSTS (1 << 16) +#define DWC2_GOTGCTL_CONIDSTS_OFFSET 16 +#define DWC2_GOTGCTL_DBNCTIME (1 << 17) +#define DWC2_GOTGCTL_DBNCTIME_OFFSET 17 +#define DWC2_GOTGCTL_ASESVLD (1 << 18) +#define DWC2_GOTGCTL_ASESVLD_OFFSET 18 +#define DWC2_GOTGCTL_BSESVLD (1 << 19) +#define DWC2_GOTGCTL_BSESVLD_OFFSET 19 +#define DWC2_GOTGCTL_OTGVER (1 << 20) +#define DWC2_GOTGCTL_OTGVER_OFFSET 20 +#define DWC2_GOTGINT_SESENDDET (1 << 2) +#define DWC2_GOTGINT_SESENDDET_OFFSET 2 +#define DWC2_GOTGINT_SESREQSUCSTSCHNG (1 << 8) +#define DWC2_GOTGINT_SESREQSUCSTSCHNG_OFFSET 8 +#define DWC2_GOTGINT_HSTNEGSUCSTSCHNG (1 << 9) +#define DWC2_GOTGINT_HSTNEGSUCSTSCHNG_OFFSET 9 +#define DWC2_GOTGINT_RESERVER10_16_MASK (0x7F << 10) +#define DWC2_GOTGINT_RESERVER10_16_OFFSET 10 +#define DWC2_GOTGINT_HSTNEGDET (1 << 17) +#define DWC2_GOTGINT_HSTNEGDET_OFFSET 17 +#define DWC2_GOTGINT_ADEVTOUTCHNG (1 << 18) +#define DWC2_GOTGINT_ADEVTOUTCHNG_OFFSET 18 +#define DWC2_GOTGINT_DEBDONE (1 << 19) +#define DWC2_GOTGINT_DEBDONE_OFFSET 19 +#define DWC2_GAHBCFG_GLBLINTRMSK (1 << 0) +#define DWC2_GAHBCFG_GLBLINTRMSK_OFFSET 0 +#define DWC2_GAHBCFG_HBURSTLEN_SINGLE (0 << 1) +#define DWC2_GAHBCFG_HBURSTLEN_INCR (1 << 1) +#define DWC2_GAHBCFG_HBURSTLEN_INCR4 (3 << 1) +#define DWC2_GAHBCFG_HBURSTLEN_INCR8 (5 << 1) +#define DWC2_GAHBCFG_HBURSTLEN_INCR16 (7 << 1) +#define DWC2_GAHBCFG_HBURSTLEN_MASK (0xF << 1) +#define DWC2_GAHBCFG_HBURSTLEN_OFFSET 1 +#define DWC2_GAHBCFG_DMAENABLE (1 << 5) +#define DWC2_GAHBCFG_DMAENABLE_OFFSET 5 +#define DWC2_GAHBCFG_NPTXFEMPLVL_TXFEMPLVL (1 << 7) +#define DWC2_GAHBCFG_NPTXFEMPLVL_TXFEMPLVL_OFFSET 7 +#define DWC2_GAHBCFG_PTXFEMPLVL (1 << 8) +#define DWC2_GAHBCFG_PTXFEMPLVL_OFFSET 8 +#define DWC2_GUSBCFG_TOUTCAL_MASK (0x7 << 0) +#define DWC2_GUSBCFG_TOUTCAL_OFFSET 0 +#define DWC2_GUSBCFG_PHYIF (1 << 3) +#define DWC2_GUSBCFG_PHYIF_OFFSET 3 +#define DWC2_GUSBCFG_ULPI_UTMI_SEL (1 << 4) +#define DWC2_GUSBCFG_ULPI_UTMI_SEL_OFFSET 4 +#define DWC2_GUSBCFG_FSINTF (1 << 5) +#define DWC2_GUSBCFG_FSINTF_OFFSET 5 +#define DWC2_GUSBCFG_PHYSEL (1 << 6) +#define DWC2_GUSBCFG_PHYSEL_OFFSET 6 +#define DWC2_GUSBCFG_DDRSEL (1 << 7) +#define DWC2_GUSBCFG_DDRSEL_OFFSET 7 +#define DWC2_GUSBCFG_SRPCAP (1 << 8) +#define DWC2_GUSBCFG_SRPCAP_OFFSET 8 +#define DWC2_GUSBCFG_HNPCAP (1 << 9) +#define DWC2_GUSBCFG_HNPCAP_OFFSET 9 +#define DWC2_GUSBCFG_USBTRDTIM_MASK (0xF << 10) +#define DWC2_GUSBCFG_USBTRDTIM_OFFSET 10 +#define DWC2_GUSBCFG_NPTXFRWNDEN (1 << 14) +#define DWC2_GUSBCFG_NPTXFRWNDEN_OFFSET 14 +#define DWC2_GUSBCFG_PHYLPWRCLKSEL (1 << 15) +#define DWC2_GUSBCFG_PHYLPWRCLKSEL_OFFSET 15 +#define DWC2_GUSBCFG_OTGUTMIFSSEL (1 << 16) +#define DWC2_GUSBCFG_OTGUTMIFSSEL_OFFSET 16 +#define DWC2_GUSBCFG_ULPI_FSLS (1 << 17) +#define DWC2_GUSBCFG_ULPI_FSLS_OFFSET 17 +#define DWC2_GUSBCFG_ULPI_AUTO_RES (1 << 18) +#define DWC2_GUSBCFG_ULPI_AUTO_RES_OFFSET 18 +#define DWC2_GUSBCFG_ULPI_CLK_SUS_M (1 << 19) +#define DWC2_GUSBCFG_ULPI_CLK_SUS_M_OFFSET 19 +#define DWC2_GUSBCFG_ULPI_EXT_VBUS_DRV (1 << 20) +#define DWC2_GUSBCFG_ULPI_EXT_VBUS_DRV_OFFSET 20 +#define DWC2_GUSBCFG_ULPI_INT_VBUS_INDICATOR (1 << 21) +#define DWC2_GUSBCFG_ULPI_INT_VBUS_INDICATOR_OFFSET 21 +#define DWC2_GUSBCFG_TERM_SEL_DL_PULSE (1 << 22) +#define DWC2_GUSBCFG_TERM_SEL_DL_PULSE_OFFSET 22 +#define DWC2_GUSBCFG_IC_USB_CAP (1 << 26) +#define DWC2_GUSBCFG_IC_USB_CAP_OFFSET 26 +#define DWC2_GUSBCFG_IC_TRAFFIC_PULL_REMOVE (1 << 27) +#define DWC2_GUSBCFG_IC_TRAFFIC_PULL_REMOVE_OFFSET 27 +#define DWC2_GUSBCFG_TX_END_DELAY (1 << 28) +#define DWC2_GUSBCFG_TX_END_DELAY_OFFSET 28 +#define DWC2_GUSBCFG_FORCEHOSTMODE (1 << 29) +#define DWC2_GUSBCFG_FORCEHOSTMODE_OFFSET 29 +#define DWC2_GUSBCFG_FORCEDEVMODE (1 << 30) +#define DWC2_GUSBCFG_FORCEDEVMODE_OFFSET 30 +#define DWC2_GLPMCTL_LPM_CAP_EN (1 << 0) +#define DWC2_GLPMCTL_LPM_CAP_EN_OFFSET 0 +#define DWC2_GLPMCTL_APPL_RESP (1 << 1) +#define DWC2_GLPMCTL_APPL_RESP_OFFSET 1 +#define DWC2_GLPMCTL_HIRD_MASK (0xF << 2) +#define DWC2_GLPMCTL_HIRD_OFFSET 2 +#define DWC2_GLPMCTL_REM_WKUP_EN (1 << 6) +#define DWC2_GLPMCTL_REM_WKUP_EN_OFFSET 6 +#define DWC2_GLPMCTL_EN_UTMI_SLEEP (1 << 7) +#define DWC2_GLPMCTL_EN_UTMI_SLEEP_OFFSET 7 +#define DWC2_GLPMCTL_HIRD_THRES_MASK (0x1F << 8) +#define DWC2_GLPMCTL_HIRD_THRES_OFFSET 8 +#define DWC2_GLPMCTL_LPM_RESP_MASK (0x3 << 13) +#define DWC2_GLPMCTL_LPM_RESP_OFFSET 13 +#define DWC2_GLPMCTL_PRT_SLEEP_STS (1 << 15) +#define DWC2_GLPMCTL_PRT_SLEEP_STS_OFFSET 15 +#define DWC2_GLPMCTL_SLEEP_STATE_RESUMEOK (1 << 16) +#define DWC2_GLPMCTL_SLEEP_STATE_RESUMEOK_OFFSET 16 +#define DWC2_GLPMCTL_LPM_CHAN_INDEX_MASK (0xF << 17) +#define DWC2_GLPMCTL_LPM_CHAN_INDEX_OFFSET 17 +#define DWC2_GLPMCTL_RETRY_COUNT_MASK (0x7 << 21) +#define DWC2_GLPMCTL_RETRY_COUNT_OFFSET 21 +#define DWC2_GLPMCTL_SEND_LPM (1 << 24) +#define DWC2_GLPMCTL_SEND_LPM_OFFSET 24 +#define DWC2_GLPMCTL_RETRY_COUNT_STS_MASK (0x7 << 25) +#define DWC2_GLPMCTL_RETRY_COUNT_STS_OFFSET 25 +#define DWC2_GLPMCTL_HSIC_CONNECT (1 << 30) +#define DWC2_GLPMCTL_HSIC_CONNECT_OFFSET 30 +#define DWC2_GLPMCTL_INV_SEL_HSIC (1 << 31) +#define DWC2_GLPMCTL_INV_SEL_HSIC_OFFSET 31 +#define DWC2_GRSTCTL_CSFTRST (1 << 0) +#define DWC2_GRSTCTL_CSFTRST_OFFSET 0 +#define DWC2_GRSTCTL_HSFTRST (1 << 1) +#define DWC2_GRSTCTL_HSFTRST_OFFSET 1 +#define DWC2_GRSTCTL_HSTFRM (1 << 2) +#define DWC2_GRSTCTL_HSTFRM_OFFSET 2 +#define DWC2_GRSTCTL_INTKNQFLSH (1 << 3) +#define DWC2_GRSTCTL_INTKNQFLSH_OFFSET 3 +#define DWC2_GRSTCTL_RXFFLSH (1 << 4) +#define DWC2_GRSTCTL_RXFFLSH_OFFSET 4 +#define DWC2_GRSTCTL_TXFFLSH (1 << 5) +#define DWC2_GRSTCTL_TXFFLSH_OFFSET 5 +#define DWC2_GRSTCTL_TXFNUM_MASK (0x1F << 6) +#define DWC2_GRSTCTL_TXFNUM_OFFSET 6 +#define DWC2_GRSTCTL_DMAREQ (1 << 30) +#define DWC2_GRSTCTL_DMAREQ_OFFSET 30 +#define DWC2_GRSTCTL_AHBIDLE (1 << 31) +#define DWC2_GRSTCTL_AHBIDLE_OFFSET 31 +#define DWC2_GINTMSK_MODEMISMATCH (1 << 1) +#define DWC2_GINTMSK_MODEMISMATCH_OFFSET 1 +#define DWC2_GINTMSK_OTGINTR (1 << 2) +#define DWC2_GINTMSK_OTGINTR_OFFSET 2 +#define DWC2_GINTMSK_SOFINTR (1 << 3) +#define DWC2_GINTMSK_SOFINTR_OFFSET 3 +#define DWC2_GINTMSK_RXSTSQLVL (1 << 4) +#define DWC2_GINTMSK_RXSTSQLVL_OFFSET 4 +#define DWC2_GINTMSK_NPTXFEMPTY (1 << 5) +#define DWC2_GINTMSK_NPTXFEMPTY_OFFSET 5 +#define DWC2_GINTMSK_GINNAKEFF (1 << 6) +#define DWC2_GINTMSK_GINNAKEFF_OFFSET 6 +#define DWC2_GINTMSK_GOUTNAKEFF (1 << 7) +#define DWC2_GINTMSK_GOUTNAKEFF_OFFSET 7 +#define DWC2_GINTMSK_I2CINTR (1 << 9) +#define DWC2_GINTMSK_I2CINTR_OFFSET 9 +#define DWC2_GINTMSK_ERLYSUSPEND (1 << 10) +#define DWC2_GINTMSK_ERLYSUSPEND_OFFSET 10 +#define DWC2_GINTMSK_USBSUSPEND (1 << 11) +#define DWC2_GINTMSK_USBSUSPEND_OFFSET 11 +#define DWC2_GINTMSK_USBRESET (1 << 12) +#define DWC2_GINTMSK_USBRESET_OFFSET 12 +#define DWC2_GINTMSK_ENUMDONE (1 << 13) +#define DWC2_GINTMSK_ENUMDONE_OFFSET 13 +#define DWC2_GINTMSK_ISOOUTDROP (1 << 14) +#define DWC2_GINTMSK_ISOOUTDROP_OFFSET 14 +#define DWC2_GINTMSK_EOPFRAME (1 << 15) +#define DWC2_GINTMSK_EOPFRAME_OFFSET 15 +#define DWC2_GINTMSK_EPMISMATCH (1 << 17) +#define DWC2_GINTMSK_EPMISMATCH_OFFSET 17 +#define DWC2_GINTMSK_INEPINTR (1 << 18) +#define DWC2_GINTMSK_INEPINTR_OFFSET 18 +#define DWC2_GINTMSK_OUTEPINTR (1 << 19) +#define DWC2_GINTMSK_OUTEPINTR_OFFSET 19 +#define DWC2_GINTMSK_INCOMPLISOIN (1 << 20) +#define DWC2_GINTMSK_INCOMPLISOIN_OFFSET 20 +#define DWC2_GINTMSK_INCOMPLISOOUT (1 << 21) +#define DWC2_GINTMSK_INCOMPLISOOUT_OFFSET 21 +#define DWC2_GINTMSK_PORTINTR (1 << 24) +#define DWC2_GINTMSK_PORTINTR_OFFSET 24 +#define DWC2_GINTMSK_HCINTR (1 << 25) +#define DWC2_GINTMSK_HCINTR_OFFSET 25 +#define DWC2_GINTMSK_PTXFEMPTY (1 << 26) +#define DWC2_GINTMSK_PTXFEMPTY_OFFSET 26 +#define DWC2_GINTMSK_LPMTRANRCVD (1 << 27) +#define DWC2_GINTMSK_LPMTRANRCVD_OFFSET 27 +#define DWC2_GINTMSK_CONIDSTSCHNG (1 << 28) +#define DWC2_GINTMSK_CONIDSTSCHNG_OFFSET 28 +#define DWC2_GINTMSK_DISCONNECT (1 << 29) +#define DWC2_GINTMSK_DISCONNECT_OFFSET 29 +#define DWC2_GINTMSK_SESSREQINTR (1 << 30) +#define DWC2_GINTMSK_SESSREQINTR_OFFSET 30 +#define DWC2_GINTMSK_WKUPINTR (1 << 31) +#define DWC2_GINTMSK_WKUPINTR_OFFSET 31 +#define DWC2_GINTSTS_CURMODE_DEVICE (0 << 0) +#define DWC2_GINTSTS_CURMODE_HOST (1 << 0) +#define DWC2_GINTSTS_CURMODE (1 << 0) +#define DWC2_GINTSTS_CURMODE_OFFSET 0 +#define DWC2_GINTSTS_MODEMISMATCH (1 << 1) +#define DWC2_GINTSTS_MODEMISMATCH_OFFSET 1 +#define DWC2_GINTSTS_OTGINTR (1 << 2) +#define DWC2_GINTSTS_OTGINTR_OFFSET 2 +#define DWC2_GINTSTS_SOFINTR (1 << 3) +#define DWC2_GINTSTS_SOFINTR_OFFSET 3 +#define DWC2_GINTSTS_RXSTSQLVL (1 << 4) +#define DWC2_GINTSTS_RXSTSQLVL_OFFSET 4 +#define DWC2_GINTSTS_NPTXFEMPTY (1 << 5) +#define DWC2_GINTSTS_NPTXFEMPTY_OFFSET 5 +#define DWC2_GINTSTS_GINNAKEFF (1 << 6) +#define DWC2_GINTSTS_GINNAKEFF_OFFSET 6 +#define DWC2_GINTSTS_GOUTNAKEFF (1 << 7) +#define DWC2_GINTSTS_GOUTNAKEFF_OFFSET 7 +#define DWC2_GINTSTS_I2CINTR (1 << 9) +#define DWC2_GINTSTS_I2CINTR_OFFSET 9 +#define DWC2_GINTSTS_ERLYSUSPEND (1 << 10) +#define DWC2_GINTSTS_ERLYSUSPEND_OFFSET 10 +#define DWC2_GINTSTS_USBSUSPEND (1 << 11) +#define DWC2_GINTSTS_USBSUSPEND_OFFSET 11 +#define DWC2_GINTSTS_USBRESET (1 << 12) +#define DWC2_GINTSTS_USBRESET_OFFSET 12 +#define DWC2_GINTSTS_ENUMDONE (1 << 13) +#define DWC2_GINTSTS_ENUMDONE_OFFSET 13 +#define DWC2_GINTSTS_ISOOUTDROP (1 << 14) +#define DWC2_GINTSTS_ISOOUTDROP_OFFSET 14 +#define DWC2_GINTSTS_EOPFRAME (1 << 15) +#define DWC2_GINTSTS_EOPFRAME_OFFSET 15 +#define DWC2_GINTSTS_INTOKENRX (1 << 16) +#define DWC2_GINTSTS_INTOKENRX_OFFSET 16 +#define DWC2_GINTSTS_EPMISMATCH (1 << 17) +#define DWC2_GINTSTS_EPMISMATCH_OFFSET 17 +#define DWC2_GINTSTS_INEPINT (1 << 18) +#define DWC2_GINTSTS_INEPINT_OFFSET 18 +#define DWC2_GINTSTS_OUTEPINTR (1 << 19) +#define DWC2_GINTSTS_OUTEPINTR_OFFSET 19 +#define DWC2_GINTSTS_INCOMPLISOIN (1 << 20) +#define DWC2_GINTSTS_INCOMPLISOIN_OFFSET 20 +#define DWC2_GINTSTS_INCOMPLISOOUT (1 << 21) +#define DWC2_GINTSTS_INCOMPLISOOUT_OFFSET 21 +#define DWC2_GINTSTS_PORTINTR (1 << 24) +#define DWC2_GINTSTS_PORTINTR_OFFSET 24 +#define DWC2_GINTSTS_HCINTR (1 << 25) +#define DWC2_GINTSTS_HCINTR_OFFSET 25 +#define DWC2_GINTSTS_PTXFEMPTY (1 << 26) +#define DWC2_GINTSTS_PTXFEMPTY_OFFSET 26 +#define DWC2_GINTSTS_LPMTRANRCVD (1 << 27) +#define DWC2_GINTSTS_LPMTRANRCVD_OFFSET 27 +#define DWC2_GINTSTS_CONIDSTSCHNG (1 << 28) +#define DWC2_GINTSTS_CONIDSTSCHNG_OFFSET 28 +#define DWC2_GINTSTS_DISCONNECT (1 << 29) +#define DWC2_GINTSTS_DISCONNECT_OFFSET 29 +#define DWC2_GINTSTS_SESSREQINTR (1 << 30) +#define DWC2_GINTSTS_SESSREQINTR_OFFSET 30 +#define DWC2_GINTSTS_WKUPINTR (1 << 31) +#define DWC2_GINTSTS_WKUPINTR_OFFSET 31 +#define DWC2_GRXSTS_EPNUM_MASK (0xF << 0) +#define DWC2_GRXSTS_EPNUM_OFFSET 0 +#define DWC2_GRXSTS_BCNT_MASK (0x7FF << 4) +#define DWC2_GRXSTS_BCNT_OFFSET 4 +#define DWC2_GRXSTS_DPID_MASK (0x3 << 15) +#define DWC2_GRXSTS_DPID_OFFSET 15 +#define DWC2_GRXSTS_PKTSTS_MASK (0xF << 17) +#define DWC2_GRXSTS_PKTSTS_OFFSET 17 +#define DWC2_GRXSTS_FN_MASK (0xF << 21) +#define DWC2_GRXSTS_FN_OFFSET 21 +#define DWC2_FIFOSIZE_STARTADDR_MASK (0xFFFF << 0) +#define DWC2_FIFOSIZE_STARTADDR_OFFSET 0 +#define DWC2_FIFOSIZE_DEPTH_MASK (0xFFFF << 16) +#define DWC2_FIFOSIZE_DEPTH_OFFSET 16 +#define DWC2_GNPTXSTS_NPTXFSPCAVAIL_MASK (0xFFFF << 0) +#define DWC2_GNPTXSTS_NPTXFSPCAVAIL_OFFSET 0 +#define DWC2_GNPTXSTS_NPTXQSPCAVAIL_MASK (0xFF << 16) +#define DWC2_GNPTXSTS_NPTXQSPCAVAIL_OFFSET 16 +#define DWC2_GNPTXSTS_NPTXQTOP_TERMINATE (1 << 24) +#define DWC2_GNPTXSTS_NPTXQTOP_TERMINATE_OFFSET 24 +#define DWC2_GNPTXSTS_NPTXQTOP_TOKEN_MASK (0x3 << 25) +#define DWC2_GNPTXSTS_NPTXQTOP_TOKEN_OFFSET 25 +#define DWC2_GNPTXSTS_NPTXQTOP_CHNEP_MASK (0xF << 27) +#define DWC2_GNPTXSTS_NPTXQTOP_CHNEP_OFFSET 27 +#define DWC2_DTXFSTS_TXFSPCAVAIL_MASK (0xFFFF << 0) +#define DWC2_DTXFSTS_TXFSPCAVAIL_OFFSET 0 +#define DWC2_GI2CCTL_RWDATA_MASK (0xFF << 0) +#define DWC2_GI2CCTL_RWDATA_OFFSET 0 +#define DWC2_GI2CCTL_REGADDR_MASK (0xFF << 8) +#define DWC2_GI2CCTL_REGADDR_OFFSET 8 +#define DWC2_GI2CCTL_ADDR_MASK (0x7F << 16) +#define DWC2_GI2CCTL_ADDR_OFFSET 16 +#define DWC2_GI2CCTL_I2CEN (1 << 23) +#define DWC2_GI2CCTL_I2CEN_OFFSET 23 +#define DWC2_GI2CCTL_ACK (1 << 24) +#define DWC2_GI2CCTL_ACK_OFFSET 24 +#define DWC2_GI2CCTL_I2CSUSPCTL (1 << 25) +#define DWC2_GI2CCTL_I2CSUSPCTL_OFFSET 25 +#define DWC2_GI2CCTL_I2CDEVADDR_MASK (0x3 << 26) +#define DWC2_GI2CCTL_I2CDEVADDR_OFFSET 26 +#define DWC2_GI2CCTL_RW (1 << 30) +#define DWC2_GI2CCTL_RW_OFFSET 30 +#define DWC2_GI2CCTL_BSYDNE (1 << 31) +#define DWC2_GI2CCTL_BSYDNE_OFFSET 31 +#define DWC2_HWCFG1_EP_DIR0_MASK (0x3 << 0) +#define DWC2_HWCFG1_EP_DIR0_OFFSET 0 +#define DWC2_HWCFG1_EP_DIR1_MASK (0x3 << 2) +#define DWC2_HWCFG1_EP_DIR1_OFFSET 2 +#define DWC2_HWCFG1_EP_DIR2_MASK (0x3 << 4) +#define DWC2_HWCFG1_EP_DIR2_OFFSET 4 +#define DWC2_HWCFG1_EP_DIR3_MASK (0x3 << 6) +#define DWC2_HWCFG1_EP_DIR3_OFFSET 6 +#define DWC2_HWCFG1_EP_DIR4_MASK (0x3 << 8) +#define DWC2_HWCFG1_EP_DIR4_OFFSET 8 +#define DWC2_HWCFG1_EP_DIR5_MASK (0x3 << 10) +#define DWC2_HWCFG1_EP_DIR5_OFFSET 10 +#define DWC2_HWCFG1_EP_DIR6_MASK (0x3 << 12) +#define DWC2_HWCFG1_EP_DIR6_OFFSET 12 +#define DWC2_HWCFG1_EP_DIR7_MASK (0x3 << 14) +#define DWC2_HWCFG1_EP_DIR7_OFFSET 14 +#define DWC2_HWCFG1_EP_DIR8_MASK (0x3 << 16) +#define DWC2_HWCFG1_EP_DIR8_OFFSET 16 +#define DWC2_HWCFG1_EP_DIR9_MASK (0x3 << 18) +#define DWC2_HWCFG1_EP_DIR9_OFFSET 18 +#define DWC2_HWCFG1_EP_DIR10_MASK (0x3 << 20) +#define DWC2_HWCFG1_EP_DIR10_OFFSET 20 +#define DWC2_HWCFG1_EP_DIR11_MASK (0x3 << 22) +#define DWC2_HWCFG1_EP_DIR11_OFFSET 22 +#define DWC2_HWCFG1_EP_DIR12_MASK (0x3 << 24) +#define DWC2_HWCFG1_EP_DIR12_OFFSET 24 +#define DWC2_HWCFG1_EP_DIR13_MASK (0x3 << 26) +#define DWC2_HWCFG1_EP_DIR13_OFFSET 26 +#define DWC2_HWCFG1_EP_DIR14_MASK (0x3 << 28) +#define DWC2_HWCFG1_EP_DIR14_OFFSET 28 +#define DWC2_HWCFG1_EP_DIR15_MASK (0x3 << 30) +#define DWC2_HWCFG1_EP_DIR15_OFFSET 30 +#define DWC2_HWCFG2_OP_MODE_MASK (0x7 << 0) +#define DWC2_HWCFG2_OP_MODE_OFFSET 0 +#define DWC2_HWCFG2_ARCHITECTURE_SLAVE_ONLY (0x0 << 3) +#define DWC2_HWCFG2_ARCHITECTURE_EXT_DMA (0x1 << 3) +#define DWC2_HWCFG2_ARCHITECTURE_INT_DMA (0x2 << 3) +#define DWC2_HWCFG2_ARCHITECTURE_MASK (0x3 << 3) +#define DWC2_HWCFG2_ARCHITECTURE_OFFSET 3 +#define DWC2_HWCFG2_POINT2POINT (1 << 5) +#define DWC2_HWCFG2_POINT2POINT_OFFSET 5 +#define DWC2_HWCFG2_HS_PHY_TYPE_MASK (0x3 << 6) +#define DWC2_HWCFG2_HS_PHY_TYPE_OFFSET 6 +#define DWC2_HWCFG2_FS_PHY_TYPE_MASK (0x3 << 8) +#define DWC2_HWCFG2_FS_PHY_TYPE_OFFSET 8 +#define DWC2_HWCFG2_NUM_DEV_EP_MASK (0xF << 10) +#define DWC2_HWCFG2_NUM_DEV_EP_OFFSET 10 +#define DWC2_HWCFG2_NUM_HOST_CHAN_MASK (0xF << 14) +#define DWC2_HWCFG2_NUM_HOST_CHAN_OFFSET 14 +#define DWC2_HWCFG2_PERIO_EP_SUPPORTED (1 << 18) +#define DWC2_HWCFG2_PERIO_EP_SUPPORTED_OFFSET 18 +#define DWC2_HWCFG2_DYNAMIC_FIFO (1 << 19) +#define DWC2_HWCFG2_DYNAMIC_FIFO_OFFSET 19 +#define DWC2_HWCFG2_MULTI_PROC_INT (1 << 20) +#define DWC2_HWCFG2_MULTI_PROC_INT_OFFSET 20 +#define DWC2_HWCFG2_NONPERIO_TX_Q_DEPTH_MASK (0x3 << 22) +#define DWC2_HWCFG2_NONPERIO_TX_Q_DEPTH_OFFSET 22 +#define DWC2_HWCFG2_HOST_PERIO_TX_Q_DEPTH_MASK (0x3 << 24) +#define DWC2_HWCFG2_HOST_PERIO_TX_Q_DEPTH_OFFSET 24 +#define DWC2_HWCFG2_DEV_TOKEN_Q_DEPTH_MASK (0x1F << 26) +#define DWC2_HWCFG2_DEV_TOKEN_Q_DEPTH_OFFSET 26 +#define DWC2_HWCFG3_XFER_SIZE_CNTR_WIDTH_MASK (0xF << 0) +#define DWC2_HWCFG3_XFER_SIZE_CNTR_WIDTH_OFFSET 0 +#define DWC2_HWCFG3_PACKET_SIZE_CNTR_WIDTH_MASK (0x7 << 4) +#define DWC2_HWCFG3_PACKET_SIZE_CNTR_WIDTH_OFFSET 4 +#define DWC2_HWCFG3_OTG_FUNC (1 << 7) +#define DWC2_HWCFG3_OTG_FUNC_OFFSET 7 +#define DWC2_HWCFG3_I2C (1 << 8) +#define DWC2_HWCFG3_I2C_OFFSET 8 +#define DWC2_HWCFG3_VENDOR_CTRL_IF (1 << 9) +#define DWC2_HWCFG3_VENDOR_CTRL_IF_OFFSET 9 +#define DWC2_HWCFG3_OPTIONAL_FEATURES (1 << 10) +#define DWC2_HWCFG3_OPTIONAL_FEATURES_OFFSET 10 +#define DWC2_HWCFG3_SYNCH_RESET_TYPE (1 << 11) +#define DWC2_HWCFG3_SYNCH_RESET_TYPE_OFFSET 11 +#define DWC2_HWCFG3_OTG_ENABLE_IC_USB (1 << 12) +#define DWC2_HWCFG3_OTG_ENABLE_IC_USB_OFFSET 12 +#define DWC2_HWCFG3_OTG_ENABLE_HSIC (1 << 13) +#define DWC2_HWCFG3_OTG_ENABLE_HSIC_OFFSET 13 +#define DWC2_HWCFG3_OTG_LPM_EN (1 << 15) +#define DWC2_HWCFG3_OTG_LPM_EN_OFFSET 15 +#define DWC2_HWCFG3_DFIFO_DEPTH_MASK (0xFFFF << 16) +#define DWC2_HWCFG3_DFIFO_DEPTH_OFFSET 16 +#define DWC2_HWCFG4_NUM_DEV_PERIO_IN_EP_MASK (0xF << 0) +#define DWC2_HWCFG4_NUM_DEV_PERIO_IN_EP_OFFSET 0 +#define DWC2_HWCFG4_POWER_OPTIMIZ (1 << 4) +#define DWC2_HWCFG4_POWER_OPTIMIZ_OFFSET 4 +#define DWC2_HWCFG4_MIN_AHB_FREQ_MASK (0x1FF << 5) +#define DWC2_HWCFG4_MIN_AHB_FREQ_OFFSET 5 +#define DWC2_HWCFG4_UTMI_PHY_DATA_WIDTH_MASK (0x3 << 14) +#define DWC2_HWCFG4_UTMI_PHY_DATA_WIDTH_OFFSET 14 +#define DWC2_HWCFG4_NUM_DEV_MODE_CTRL_EP_MASK (0xF << 16) +#define DWC2_HWCFG4_NUM_DEV_MODE_CTRL_EP_OFFSET 16 +#define DWC2_HWCFG4_IDDIG_FILT_EN (1 << 20) +#define DWC2_HWCFG4_IDDIG_FILT_EN_OFFSET 20 +#define DWC2_HWCFG4_VBUS_VALID_FILT_EN (1 << 21) +#define DWC2_HWCFG4_VBUS_VALID_FILT_EN_OFFSET 21 +#define DWC2_HWCFG4_A_VALID_FILT_EN (1 << 22) +#define DWC2_HWCFG4_A_VALID_FILT_EN_OFFSET 22 +#define DWC2_HWCFG4_B_VALID_FILT_EN (1 << 23) +#define DWC2_HWCFG4_B_VALID_FILT_EN_OFFSET 23 +#define DWC2_HWCFG4_SESSION_END_FILT_EN (1 << 24) +#define DWC2_HWCFG4_SESSION_END_FILT_EN_OFFSET 24 +#define DWC2_HWCFG4_DED_FIFO_EN (1 << 25) +#define DWC2_HWCFG4_DED_FIFO_EN_OFFSET 25 +#define DWC2_HWCFG4_NUM_IN_EPS_MASK (0xF << 26) +#define DWC2_HWCFG4_NUM_IN_EPS_OFFSET 26 +#define DWC2_HWCFG4_DESC_DMA (1 << 30) +#define DWC2_HWCFG4_DESC_DMA_OFFSET 30 +#define DWC2_HWCFG4_DESC_DMA_DYN (1 << 31) +#define DWC2_HWCFG4_DESC_DMA_DYN_OFFSET 31 +#define DWC2_HCFG_FSLSPCLKSEL_30_60_MHZ 0 +#define DWC2_HCFG_FSLSPCLKSEL_48_MHZ 1 +#define DWC2_HCFG_FSLSPCLKSEL_6_MHZ 2 +#define DWC2_HCFG_FSLSPCLKSEL_MASK (0x3 << 0) +#define DWC2_HCFG_FSLSPCLKSEL_OFFSET 0 +#define DWC2_HCFG_FSLSSUPP (1 << 2) +#define DWC2_HCFG_FSLSSUPP_OFFSET 2 +#define DWC2_HCFG_DESCDMA (1 << 23) +#define DWC2_HCFG_DESCDMA_OFFSET 23 +#define DWC2_HCFG_FRLISTEN_MASK (0x3 << 24) +#define DWC2_HCFG_FRLISTEN_OFFSET 24 +#define DWC2_HCFG_PERSCHEDENA (1 << 26) +#define DWC2_HCFG_PERSCHEDENA_OFFSET 26 +#define DWC2_HCFG_PERSCHEDSTAT (1 << 27) +#define DWC2_HCFG_PERSCHEDSTAT_OFFSET 27 +#define DWC2_HFIR_FRINT_MASK (0xFFFF << 0) +#define DWC2_HFIR_FRINT_OFFSET 0 +#define DWC2_HFNUM_FRNUM_MASK (0xFFFF << 0) +#define DWC2_HFNUM_FRNUM_OFFSET 0 +#define DWC2_HFNUM_FRREM_MASK (0xFFFF << 16) +#define DWC2_HFNUM_FRREM_OFFSET 16 +#define DWC2_HPTXSTS_PTXFSPCAVAIL_MASK (0xFFFF << 0) +#define DWC2_HPTXSTS_PTXFSPCAVAIL_OFFSET 0 +#define DWC2_HPTXSTS_PTXQSPCAVAIL_MASK (0xFF << 16) +#define DWC2_HPTXSTS_PTXQSPCAVAIL_OFFSET 16 +#define DWC2_HPTXSTS_PTXQTOP_TERMINATE (1 << 24) +#define DWC2_HPTXSTS_PTXQTOP_TERMINATE_OFFSET 24 +#define DWC2_HPTXSTS_PTXQTOP_TOKEN_MASK (0x3 << 25) +#define DWC2_HPTXSTS_PTXQTOP_TOKEN_OFFSET 25 +#define DWC2_HPTXSTS_PTXQTOP_CHNUM_MASK (0xF << 27) +#define DWC2_HPTXSTS_PTXQTOP_CHNUM_OFFSET 27 +#define DWC2_HPTXSTS_PTXQTOP_ODD (1 << 31) +#define DWC2_HPTXSTS_PTXQTOP_ODD_OFFSET 31 +#define DWC2_HPRT0_PRTCONNSTS (1 << 0) +#define DWC2_HPRT0_PRTCONNSTS_OFFSET 0 +#define DWC2_HPRT0_PRTCONNDET (1 << 1) +#define DWC2_HPRT0_PRTCONNDET_OFFSET 1 +#define DWC2_HPRT0_PRTENA (1 << 2) +#define DWC2_HPRT0_PRTENA_OFFSET 2 +#define DWC2_HPRT0_PRTENCHNG (1 << 3) +#define DWC2_HPRT0_PRTENCHNG_OFFSET 3 +#define DWC2_HPRT0_PRTOVRCURRACT (1 << 4) +#define DWC2_HPRT0_PRTOVRCURRACT_OFFSET 4 +#define DWC2_HPRT0_PRTOVRCURRCHNG (1 << 5) +#define DWC2_HPRT0_PRTOVRCURRCHNG_OFFSET 5 +#define DWC2_HPRT0_PRTRES (1 << 6) +#define DWC2_HPRT0_PRTRES_OFFSET 6 +#define DWC2_HPRT0_PRTSUSP (1 << 7) +#define DWC2_HPRT0_PRTSUSP_OFFSET 7 +#define DWC2_HPRT0_PRTRST (1 << 8) +#define DWC2_HPRT0_PRTRST_OFFSET 8 +#define DWC2_HPRT0_PRTLNSTS_MASK (0x3 << 10) +#define DWC2_HPRT0_PRTLNSTS_OFFSET 10 +#define DWC2_HPRT0_PRTPWR (1 << 12) +#define DWC2_HPRT0_PRTPWR_OFFSET 12 +#define DWC2_HPRT0_PRTTSTCTL_MASK (0xF << 13) +#define DWC2_HPRT0_PRTTSTCTL_OFFSET 13 +#define DWC2_HPRT0_PRTSPD_MASK (0x3 << 17) +#define DWC2_HPRT0_PRTSPD_OFFSET 17 +#define DWC2_HAINT_CH0 (1 << 0) +#define DWC2_HAINT_CH0_OFFSET 0 +#define DWC2_HAINT_CH1 (1 << 1) +#define DWC2_HAINT_CH1_OFFSET 1 +#define DWC2_HAINT_CH2 (1 << 2) +#define DWC2_HAINT_CH2_OFFSET 2 +#define DWC2_HAINT_CH3 (1 << 3) +#define DWC2_HAINT_CH3_OFFSET 3 +#define DWC2_HAINT_CH4 (1 << 4) +#define DWC2_HAINT_CH4_OFFSET 4 +#define DWC2_HAINT_CH5 (1 << 5) +#define DWC2_HAINT_CH5_OFFSET 5 +#define DWC2_HAINT_CH6 (1 << 6) +#define DWC2_HAINT_CH6_OFFSET 6 +#define DWC2_HAINT_CH7 (1 << 7) +#define DWC2_HAINT_CH7_OFFSET 7 +#define DWC2_HAINT_CH8 (1 << 8) +#define DWC2_HAINT_CH8_OFFSET 8 +#define DWC2_HAINT_CH9 (1 << 9) +#define DWC2_HAINT_CH9_OFFSET 9 +#define DWC2_HAINT_CH10 (1 << 10) +#define DWC2_HAINT_CH10_OFFSET 10 +#define DWC2_HAINT_CH11 (1 << 11) +#define DWC2_HAINT_CH11_OFFSET 11 +#define DWC2_HAINT_CH12 (1 << 12) +#define DWC2_HAINT_CH12_OFFSET 12 +#define DWC2_HAINT_CH13 (1 << 13) +#define DWC2_HAINT_CH13_OFFSET 13 +#define DWC2_HAINT_CH14 (1 << 14) +#define DWC2_HAINT_CH14_OFFSET 14 +#define DWC2_HAINT_CH15 (1 << 15) +#define DWC2_HAINT_CH15_OFFSET 15 +#define DWC2_HAINT_CHINT_MASK 0xffff +#define DWC2_HAINT_CHINT_OFFSET 0 +#define DWC2_HAINTMSK_CH0 (1 << 0) +#define DWC2_HAINTMSK_CH0_OFFSET 0 +#define DWC2_HAINTMSK_CH1 (1 << 1) +#define DWC2_HAINTMSK_CH1_OFFSET 1 +#define DWC2_HAINTMSK_CH2 (1 << 2) +#define DWC2_HAINTMSK_CH2_OFFSET 2 +#define DWC2_HAINTMSK_CH3 (1 << 3) +#define DWC2_HAINTMSK_CH3_OFFSET 3 +#define DWC2_HAINTMSK_CH4 (1 << 4) +#define DWC2_HAINTMSK_CH4_OFFSET 4 +#define DWC2_HAINTMSK_CH5 (1 << 5) +#define DWC2_HAINTMSK_CH5_OFFSET 5 +#define DWC2_HAINTMSK_CH6 (1 << 6) +#define DWC2_HAINTMSK_CH6_OFFSET 6 +#define DWC2_HAINTMSK_CH7 (1 << 7) +#define DWC2_HAINTMSK_CH7_OFFSET 7 +#define DWC2_HAINTMSK_CH8 (1 << 8) +#define DWC2_HAINTMSK_CH8_OFFSET 8 +#define DWC2_HAINTMSK_CH9 (1 << 9) +#define DWC2_HAINTMSK_CH9_OFFSET 9 +#define DWC2_HAINTMSK_CH10 (1 << 10) +#define DWC2_HAINTMSK_CH10_OFFSET 10 +#define DWC2_HAINTMSK_CH11 (1 << 11) +#define DWC2_HAINTMSK_CH11_OFFSET 11 +#define DWC2_HAINTMSK_CH12 (1 << 12) +#define DWC2_HAINTMSK_CH12_OFFSET 12 +#define DWC2_HAINTMSK_CH13 (1 << 13) +#define DWC2_HAINTMSK_CH13_OFFSET 13 +#define DWC2_HAINTMSK_CH14 (1 << 14) +#define DWC2_HAINTMSK_CH14_OFFSET 14 +#define DWC2_HAINTMSK_CH15 (1 << 15) +#define DWC2_HAINTMSK_CH15_OFFSET 15 +#define DWC2_HAINTMSK_CHINT_MASK 0xffff +#define DWC2_HAINTMSK_CHINT_OFFSET 0 +#define DWC2_HCCHAR_MPS_MASK (0x7FF << 0) +#define DWC2_HCCHAR_MPS_OFFSET 0 +#define DWC2_HCCHAR_EPNUM_MASK (0xF << 11) +#define DWC2_HCCHAR_EPNUM_OFFSET 11 +#define DWC2_HCCHAR_EPDIR (1 << 15) +#define DWC2_HCCHAR_EPDIR_OFFSET 15 +#define DWC2_HCCHAR_LSPDDEV (1 << 17) +#define DWC2_HCCHAR_LSPDDEV_OFFSET 17 +#define DWC2_HCCHAR_EPTYPE_CONTROL 0 +#define DWC2_HCCHAR_EPTYPE_ISOC 1 +#define DWC2_HCCHAR_EPTYPE_BULK 2 +#define DWC2_HCCHAR_EPTYPE_INTR 3 +#define DWC2_HCCHAR_EPTYPE_MASK (0x3 << 18) +#define DWC2_HCCHAR_EPTYPE_OFFSET 18 +#define DWC2_HCCHAR_MULTICNT_MASK (0x3 << 20) +#define DWC2_HCCHAR_MULTICNT_OFFSET 20 +#define DWC2_HCCHAR_DEVADDR_MASK (0x7F << 22) +#define DWC2_HCCHAR_DEVADDR_OFFSET 22 +#define DWC2_HCCHAR_ODDFRM (1 << 29) +#define DWC2_HCCHAR_ODDFRM_OFFSET 29 +#define DWC2_HCCHAR_CHDIS (1 << 30) +#define DWC2_HCCHAR_CHDIS_OFFSET 30 +#define DWC2_HCCHAR_CHEN (1 << 31) +#define DWC2_HCCHAR_CHEN_OFFSET 31 +#define DWC2_HCSPLT_PRTADDR_MASK (0x7F << 0) +#define DWC2_HCSPLT_PRTADDR_OFFSET 0 +#define DWC2_HCSPLT_HUBADDR_MASK (0x7F << 7) +#define DWC2_HCSPLT_HUBADDR_OFFSET 7 +#define DWC2_HCSPLT_XACTPOS_MASK (0x3 << 14) +#define DWC2_HCSPLT_XACTPOS_OFFSET 14 +#define DWC2_HCSPLT_COMPSPLT (1 << 16) +#define DWC2_HCSPLT_COMPSPLT_OFFSET 16 +#define DWC2_HCSPLT_SPLTENA (1 << 31) +#define DWC2_HCSPLT_SPLTENA_OFFSET 31 +#define DWC2_HCINT_XFERCOMP (1 << 0) +#define DWC2_HCINT_XFERCOMP_OFFSET 0 +#define DWC2_HCINT_CHHLTD (1 << 1) +#define DWC2_HCINT_CHHLTD_OFFSET 1 +#define DWC2_HCINT_AHBERR (1 << 2) +#define DWC2_HCINT_AHBERR_OFFSET 2 +#define DWC2_HCINT_STALL (1 << 3) +#define DWC2_HCINT_STALL_OFFSET 3 +#define DWC2_HCINT_NAK (1 << 4) +#define DWC2_HCINT_NAK_OFFSET 4 +#define DWC2_HCINT_ACK (1 << 5) +#define DWC2_HCINT_ACK_OFFSET 5 +#define DWC2_HCINT_NYET (1 << 6) +#define DWC2_HCINT_NYET_OFFSET 6 +#define DWC2_HCINT_XACTERR (1 << 7) +#define DWC2_HCINT_XACTERR_OFFSET 7 +#define DWC2_HCINT_BBLERR (1 << 8) +#define DWC2_HCINT_BBLERR_OFFSET 8 +#define DWC2_HCINT_FRMOVRUN (1 << 9) +#define DWC2_HCINT_FRMOVRUN_OFFSET 9 +#define DWC2_HCINT_DATATGLERR (1 << 10) +#define DWC2_HCINT_DATATGLERR_OFFSET 10 +#define DWC2_HCINT_BNA (1 << 11) +#define DWC2_HCINT_BNA_OFFSET 11 +#define DWC2_HCINT_XCS_XACT (1 << 12) +#define DWC2_HCINT_XCS_XACT_OFFSET 12 +#define DWC2_HCINT_FRM_LIST_ROLL (1 << 13) +#define DWC2_HCINT_FRM_LIST_ROLL_OFFSET 13 +#define DWC2_HCINTMSK_XFERCOMPL (1 << 0) +#define DWC2_HCINTMSK_XFERCOMPL_OFFSET 0 +#define DWC2_HCINTMSK_CHHLTD (1 << 1) +#define DWC2_HCINTMSK_CHHLTD_OFFSET 1 +#define DWC2_HCINTMSK_AHBERR (1 << 2) +#define DWC2_HCINTMSK_AHBERR_OFFSET 2 +#define DWC2_HCINTMSK_STALL (1 << 3) +#define DWC2_HCINTMSK_STALL_OFFSET 3 +#define DWC2_HCINTMSK_NAK (1 << 4) +#define DWC2_HCINTMSK_NAK_OFFSET 4 +#define DWC2_HCINTMSK_ACK (1 << 5) +#define DWC2_HCINTMSK_ACK_OFFSET 5 +#define DWC2_HCINTMSK_NYET (1 << 6) +#define DWC2_HCINTMSK_NYET_OFFSET 6 +#define DWC2_HCINTMSK_XACTERR (1 << 7) +#define DWC2_HCINTMSK_XACTERR_OFFSET 7 +#define DWC2_HCINTMSK_BBLERR (1 << 8) +#define DWC2_HCINTMSK_BBLERR_OFFSET 8 +#define DWC2_HCINTMSK_FRMOVRUN (1 << 9) +#define DWC2_HCINTMSK_FRMOVRUN_OFFSET 9 +#define DWC2_HCINTMSK_DATATGLERR (1 << 10) +#define DWC2_HCINTMSK_DATATGLERR_OFFSET 10 +#define DWC2_HCINTMSK_BNA (1 << 11) +#define DWC2_HCINTMSK_BNA_OFFSET 11 +#define DWC2_HCINTMSK_XCS_XACT (1 << 12) +#define DWC2_HCINTMSK_XCS_XACT_OFFSET 12 +#define DWC2_HCINTMSK_FRM_LIST_ROLL (1 << 13) +#define DWC2_HCINTMSK_FRM_LIST_ROLL_OFFSET 13 +#define DWC2_HCTSIZ_XFERSIZE_MASK 0x7ffff +#define DWC2_HCTSIZ_XFERSIZE_OFFSET 0 +#define DWC2_HCTSIZ_SCHINFO_MASK 0xff +#define DWC2_HCTSIZ_SCHINFO_OFFSET 0 +#define DWC2_HCTSIZ_NTD_MASK (0xff << 8) +#define DWC2_HCTSIZ_NTD_OFFSET 8 +#define DWC2_HCTSIZ_PKTCNT_MASK (0x3ff << 19) +#define DWC2_HCTSIZ_PKTCNT_OFFSET 19 +#define DWC2_HCTSIZ_PID_MASK (0x3 << 29) +#define DWC2_HCTSIZ_PID_OFFSET 29 +#define DWC2_HCTSIZ_DOPNG (1 << 31) +#define DWC2_HCTSIZ_DOPNG_OFFSET 31 +#define DWC2_HCDMA_CTD_MASK (0xFF << 3) +#define DWC2_HCDMA_CTD_OFFSET 3 +#define DWC2_HCDMA_DMA_ADDR_MASK (0x1FFFFF << 11) +#define DWC2_HCDMA_DMA_ADDR_OFFSET 11 +#define DWC2_PCGCCTL_STOPPCLK (1 << 0) +#define DWC2_PCGCCTL_STOPPCLK_OFFSET 0 +#define DWC2_PCGCCTL_GATEHCLK (1 << 1) +#define DWC2_PCGCCTL_GATEHCLK_OFFSET 1 +#define DWC2_PCGCCTL_PWRCLMP (1 << 2) +#define DWC2_PCGCCTL_PWRCLMP_OFFSET 2 +#define DWC2_PCGCCTL_RSTPDWNMODULE (1 << 3) +#define DWC2_PCGCCTL_RSTPDWNMODULE_OFFSET 3 +#define DWC2_PCGCCTL_PHYSUSPENDED (1 << 4) +#define DWC2_PCGCCTL_PHYSUSPENDED_OFFSET 4 +#define DWC2_PCGCCTL_ENBL_SLEEP_GATING (1 << 5) +#define DWC2_PCGCCTL_ENBL_SLEEP_GATING_OFFSET 5 +#define DWC2_PCGCCTL_PHY_IN_SLEEP (1 << 6) +#define DWC2_PCGCCTL_PHY_IN_SLEEP_OFFSET 6 +#define DWC2_PCGCCTL_DEEP_SLEEP (1 << 7) +#define DWC2_PCGCCTL_DEEP_SLEEP_OFFSET 7 +#define DWC2_SNPSID_DEVID_VER_2xx (0x4f542 << 12) +#define DWC2_SNPSID_DEVID_MASK (0xfffff << 12) +#define DWC2_SNPSID_DEVID_OFFSET 12 + +/* Host controller specific */ +#define DWC2_HC_PID_DATA0 0 +#define DWC2_HC_PID_DATA2 1 +#define DWC2_HC_PID_DATA1 2 +#define DWC2_HC_PID_MDATA 3 +#define DWC2_HC_PID_SETUP 3 + +/* roothub.a masks */ +#define RH_A_NDP (0xff << 0) /* number of downstream ports */ +#define RH_A_PSM (1 << 8) /* power switching mode */ +#define RH_A_NPS (1 << 9) /* no power switching */ +#define RH_A_DT (1 << 10) /* device type (mbz) */ +#define RH_A_OCPM (1 << 11) /* over current protection mode */ +#define RH_A_NOCP (1 << 12) /* no over current protection */ +#define RH_A_POTPGT (0xff << 24) /* power on to power good time */ + +/* roothub.b masks */ +#define RH_B_DR 0x0000ffff /* device removable flags */ +#define RH_B_PPCM 0xffff0000 /* port power control mask */ + +/* Default driver configuration */ +#define CONFIG_DWC2_DMA_ENABLE +#define CONFIG_DWC2_DMA_BURST_SIZE 32 /* DMA burst len */ +#undef CONFIG_DWC2_DFLT_SPEED_FULL /* Do not force DWC2 to FS */ +#define CONFIG_DWC2_ENABLE_DYNAMIC_FIFO /* Runtime FIFO size detect */ +#define CONFIG_DWC2_MAX_CHANNELS 16 /* Max # of EPs */ +#define CONFIG_DWC2_HOST_RX_FIFO_SIZE (516 + CONFIG_DWC2_MAX_CHANNELS) +#define CONFIG_DWC2_HOST_NPERIO_TX_FIFO_SIZE 0x100 /* nPeriodic TX FIFO */ +#define CONFIG_DWC2_HOST_PERIO_TX_FIFO_SIZE 0x200 /* Periodic TX FIFO */ +#define CONFIG_DWC2_MAX_TRANSFER_SIZE 65535 +#define CONFIG_DWC2_MAX_PACKET_COUNT 511 + +#define DWC2_PHY_TYPE_FS 0 +#define DWC2_PHY_TYPE_UTMI 1 +#define DWC2_PHY_TYPE_ULPI 2 +#define CONFIG_DWC2_PHY_TYPE DWC2_PHY_TYPE_UTMI /* PHY type */ +#define CONFIG_DWC2_UTMI_WIDTH 8 /* UTMI bus width (8/16) */ + +#undef CONFIG_DWC2_PHY_ULPI_DDR /* ULPI PHY uses DDR mode */ +#define CONFIG_DWC2_PHY_ULPI_EXT_VBUS /* ULPI PHY controls VBUS */ +#undef CONFIG_DWC2_I2C_ENABLE /* Enable I2C */ +#undef CONFIG_DWC2_ULPI_FS_LS /* ULPI is FS/LS */ +#undef CONFIG_DWC2_TS_DLINE /* External DLine pulsing */ +#undef CONFIG_DWC2_THR_CTL /* Threshold control */ +#define CONFIG_DWC2_TX_THR_LENGTH 64 +#undef CONFIG_DWC2_IC_USB_CAP /* IC Cap */ + +#endif /* __DWC2_H__ */ diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 6323c50837..c671c72cb1 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -119,15 +119,12 @@ static struct descriptor { #define ehci_is_TDI() (0) #endif -int __ehci_get_port_speed(struct ehci_hcor *hcor, uint32_t reg) +__weak int ehci_get_port_speed(struct ehci_hcor *hcor, uint32_t reg) { return PORTSC_PSPD(reg); } -int ehci_get_port_speed(struct ehci_hcor *hcor, uint32_t reg) - __attribute__((weak, alias("__ehci_get_port_speed"))); - -void __ehci_set_usbmode(int index) +__weak void ehci_set_usbmode(int index) { uint32_t tmp; uint32_t *reg_ptr; @@ -141,17 +138,11 @@ void __ehci_set_usbmode(int index) ehci_writel(reg_ptr, tmp); } -void ehci_set_usbmode(int index) - __attribute__((weak, alias("__ehci_set_usbmode"))); - -void __ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg) +__weak void ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg) { mdelay(50); } -void ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg) - __attribute__((weak, alias("__ehci_powerup_fixup"))); - static int handshake(uint32_t *ptr, uint32_t mask, uint32_t done, int usec) { uint32_t result; @@ -1106,6 +1097,7 @@ submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, } struct int_queue { + int elementsize; struct QH *first; struct QH *current; struct QH *last; @@ -1163,6 +1155,23 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize, struct int_queue *result = NULL; int i; + /* + * Interrupt transfers requiring several transactions are not supported + * because bInterval is ignored. + * + * Also, ehci_submit_async() relies on wMaxPacketSize being a power of 2 + * <= PKT_ALIGN if several qTDs are required, while the USB + * specification does not constrain this for interrupt transfers. That + * means that ehci_submit_async() would support interrupt transfers + * requiring several transactions only as long as the transfer size does + * not require more than a single qTD. + */ + if (elementsize > usb_maxpacket(dev, pipe)) { + printf("%s: xfers requiring several transactions are not supported.\n", + __func__); + return NULL; + } + debug("Enter create_int_queue\n"); if (usb_pipetype(pipe) != PIPE_INTERRUPT) { debug("non-interrupt pipe (type=%lu)", usb_pipetype(pipe)); @@ -1183,6 +1192,7 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize, debug("ehci intr queue: out of memory\n"); goto fail1; } + result->elementsize = elementsize; result->first = memalign(USB_DMA_MINALIGN, sizeof(struct QH) * queuesize); if (!result->first) { @@ -1258,9 +1268,11 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize, ALIGN_END_ADDR(struct qTD, result->tds, queuesize)); - if (disable_periodic(ctrl) < 0) { - debug("FATAL: periodic should never fail, but did"); - goto fail3; + if (ctrl->periodic_schedules > 0) { + if (disable_periodic(ctrl) < 0) { + debug("FATAL: periodic should never fail, but did"); + goto fail3; + } } /* hook up to periodic list */ @@ -1317,6 +1329,11 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue) queue->current++; else queue->current = NULL; + + invalidate_dcache_range((uint32_t)cur->buffer, + ALIGN_END_ADDR(char, cur->buffer, + queue->elementsize)); + debug("Exit poll_int_queue with completed intr transfer. token is %x at %p (first at %p)\n", hc32_to_cpu(cur_td->qt_token), cur, queue->first); return cur->buffer; @@ -1382,24 +1399,9 @@ submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, debug("dev=%p, pipe=%lu, buffer=%p, length=%d, interval=%d", dev, pipe, buffer, length, interval); - /* - * Interrupt transfers requiring several transactions are not supported - * because bInterval is ignored. - * - * Also, ehci_submit_async() relies on wMaxPacketSize being a power of 2 - * <= PKT_ALIGN if several qTDs are required, while the USB - * specification does not constrain this for interrupt transfers. That - * means that ehci_submit_async() would support interrupt transfers - * requiring several transactions only as long as the transfer size does - * not require more than a single qTD. - */ - if (length > usb_maxpacket(dev, pipe)) { - printf("%s: Interrupt transfers requiring several " - "transactions are not supported.\n", __func__); - return -1; - } - queue = create_int_queue(dev, pipe, 1, length, buffer); + if (!queue) + return -1; timeout = get_timer(0) + USB_TIMEOUT_MS(pipe); while ((backbuffer = poll_int_queue(dev, queue)) == NULL) @@ -1415,9 +1417,6 @@ submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, return -EINVAL; } - invalidate_dcache_range((uint32_t)buffer, - ALIGN_END_ADDR(char, buffer, length)); - ret = destroy_int_queue(dev, queue); if (ret < 0) return ret; diff --git a/drivers/usb/host/ehci-rmobile.c b/drivers/usb/host/ehci-rmobile.c index 0d1a726d35..b4330876f8 100644 --- a/drivers/usb/host/ehci-rmobile.c +++ b/drivers/usb/host/ehci-rmobile.c @@ -22,12 +22,8 @@ static u32 usb_base_address[CONFIG_USB_MAX_CONTROLLER_COUNT] = { 0xEE0A0000, /* USB1 */ 0xEE0C0000, /* USB2 */ }; -#elif defined(CONFIG_R8A7791) -static u32 usb_base_address[CONFIG_USB_MAX_CONTROLLER_COUNT] = { - 0xEE080000, /* USB0 (EHCI) */ - 0xEE0C0000, /* USB1 */ -}; -#elif defined(CONFIG_R8A7794) +#elif defined(CONFIG_R8A7791) || defined(CONFIG_R8A7793) || \ + defined(CONFIG_R8A7794) static u32 usb_base_address[CONFIG_USB_MAX_CONTROLLER_COUNT] = { 0xEE080000, /* USB0 (EHCI) */ 0xEE0C0000, /* USB1 */ diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c index 23617b7adc..4befd57454 100644 --- a/drivers/usb/host/ehci-sunxi.c +++ b/drivers/usb/host/ehci-sunxi.c @@ -105,7 +105,7 @@ static void sunxi_usb_phy_init(struct sunxi_ehci_hcd *sunxi_ehci) usb_phy_write(sunxi_ehci, 0x20, 0x14, 5); /* threshold adjustment disconnect */ -#ifdef CONFIG_SUN4I +#ifdef CONFIG_MACH_SUN4I usb_phy_write(sunxi_ehci, 0x2a, 3, 2); #else usb_phy_write(sunxi_ehci, 0x2a, 2, 2); @@ -163,11 +163,16 @@ int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, { struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; struct sunxi_ehci_hcd *sunxi_ehci = &sunxi_echi_hcd[index]; + int err; /* enable common PHY only once */ if (index == 0) setbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE); + err = gpio_request(sunxi_ehci->gpio_vbus, "ehci_vbus"); + if (err) + return err; + sunxi_ehci_enable(sunxi_ehci); *hccr = get_io_base(sunxi_ehci->id); @@ -188,9 +193,14 @@ int ehci_hcd_stop(int index) { struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; struct sunxi_ehci_hcd *sunxi_ehci = &sunxi_echi_hcd[index]; + int err; sunxi_ehci_disable(sunxi_ehci); + err = gpio_free(sunxi_ehci->gpio_vbus); + if (err) + return err; + /* disable common PHY only once, for the last enabled hcd */ if (enabled_hcd_count == 1) clrbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE); diff --git a/drivers/usb/host/xhci-keystone.c b/drivers/usb/host/xhci-keystone.c new file mode 100644 index 0000000000..05d338f261 --- /dev/null +++ b/drivers/usb/host/xhci-keystone.c @@ -0,0 +1,329 @@ +/* + * USB 3.0 DRD Controller + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <watchdog.h> +#include <usb.h> +#include <asm/arch/psc_defs.h> +#include <asm/io.h> +#include <linux/usb/dwc3.h> +#include <asm/arch/xhci-keystone.h> +#include <asm-generic/errno.h> +#include <linux/list.h> +#include "xhci.h" + +struct kdwc3_irq_regs { + u32 revision; /* 0x000 */ + u32 rsvd0[3]; + u32 sysconfig; /* 0x010 */ + u32 rsvd1[1]; + u32 irq_eoi; + u32 rsvd2[1]; + struct { + u32 raw_status; + u32 status; + u32 enable_set; + u32 enable_clr; + } irqs[16]; +}; + +struct keystone_xhci { + struct xhci_hccr *hcd; + struct dwc3 *dwc3_reg; + struct xhci_hcor *hcor; + struct kdwc3_irq_regs *usbss; + struct keystone_xhci_phy *phy; +}; + +struct keystone_xhci keystone; + +static void keystone_xhci_phy_set(struct keystone_xhci_phy *phy) +{ + u32 val; + + /* + * VBUSVLDEXTSEL has a default value of 1 in BootCfg but shouldn't. + * It should always be cleared because our USB PHY has an onchip VBUS + * analog comparator. + */ + val = readl(&phy->phy_clock); + /* quit selecting the vbusvldextsel by default! */ + val &= ~USB3_PHY_OTG_VBUSVLDECTSEL; + writel(val, &phy->phy_clock); +} + +static void keystone_xhci_phy_unset(struct keystone_xhci_phy *phy) +{ + u32 val; + + /* Disable the PHY REFCLK clock gate */ + val = readl(&phy->phy_clock); + val &= ~USB3_PHY_REF_SSP_EN; + writel(val, &phy->phy_clock); +} + +static void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode) +{ + clrsetbits_le32(&dwc3_reg->g_ctl, + DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_OTG), + DWC3_GCTL_PRTCAPDIR(mode)); +} + +static void dwc3_core_soft_reset(struct dwc3 *dwc3_reg) +{ + /* Before Resetting PHY, put Core in Reset */ + setbits_le32(&dwc3_reg->g_ctl, DWC3_GCTL_CORESOFTRESET); + + /* Assert USB3 PHY reset */ + setbits_le32(&dwc3_reg->g_usb3pipectl[0], DWC3_GUSB3PIPECTL_PHYSOFTRST); + + /* Assert USB2 PHY reset */ + setbits_le32(&dwc3_reg->g_usb2phycfg[0], DWC3_GUSB2PHYCFG_PHYSOFTRST); + + mdelay(100); + + /* Clear USB3 PHY reset */ + clrbits_le32(&dwc3_reg->g_usb3pipectl[0], DWC3_GUSB3PIPECTL_PHYSOFTRST); + + /* Clear USB2 PHY reset */ + clrbits_le32(&dwc3_reg->g_usb2phycfg[0], DWC3_GUSB2PHYCFG_PHYSOFTRST); + + /* After PHYs are stable we can take Core out of reset state */ + clrbits_le32(&dwc3_reg->g_ctl, DWC3_GCTL_CORESOFTRESET); +} + +static int dwc3_core_init(struct dwc3 *dwc3_reg) +{ + u32 revision, val; + unsigned long t_rst; + unsigned int dwc3_hwparams1; + + revision = readl(&dwc3_reg->g_snpsid); + /* This should read as U3 followed by revision number */ + if ((revision & DWC3_GSNPSID_MASK) != 0x55330000) { + puts("this is not a DesignWare USB3 DRD Core\n"); + return -EINVAL; + } + + /* issue device SoftReset too */ + writel(DWC3_DCTL_CSFTRST, &dwc3_reg->d_ctl); + + t_rst = get_timer(0); + do { + val = readl(&dwc3_reg->d_ctl); + if (!(val & DWC3_DCTL_CSFTRST)) + break; + WATCHDOG_RESET(); + } while (get_timer(t_rst) < 500); + + if (val & DWC3_DCTL_CSFTRST) { + debug("Reset timed out\n"); + return -2; + } + + dwc3_core_soft_reset(dwc3_reg); + + dwc3_hwparams1 = readl(&dwc3_reg->g_hwparams1); + + val = readl(&dwc3_reg->g_ctl); + val &= ~DWC3_GCTL_SCALEDOWN_MASK; + val &= ~DWC3_GCTL_DISSCRAMBLE; + switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc3_hwparams1)) { + case DWC3_GHWPARAMS1_EN_PWROPT_CLK: + val &= ~DWC3_GCTL_DSBLCLKGTNG; + break; + default: + printf("No power optimization available\n"); + } + + /* + * WORKAROUND: DWC3 revisions <1.90a have a bug + * where the device can fail to connect at SuperSpeed + * and falls back to high-speed mode which causes + * the device to enter a Connect/Disconnect loop + */ + if ((revision & DWC3_REVISION_MASK) < 0x190a) + val |= DWC3_GCTL_U2RSTECN; + + writel(val, &dwc3_reg->g_ctl); + + return 0; +} + +static int keystone_xhci_core_init(struct dwc3 *dwc3_reg) +{ + int ret; + + ret = dwc3_core_init(dwc3_reg); + if (ret) { + debug("failed to initialize core\n"); + return -EINVAL; + } + + /* We are hard-coding DWC3 core to Host Mode */ + dwc3_set_mode(dwc3_reg, DWC3_GCTL_PRTCAP_HOST); + + return 0; +} + +int xhci_hcd_init(int index, + struct xhci_hccr **ret_hccr, struct xhci_hcor **ret_hcor) +{ + u32 val; + int ret; + struct xhci_hccr *hcd; + struct xhci_hcor *hcor; + struct kdwc3_irq_regs *usbss; + struct keystone_xhci_phy *phy; + + usbss = (struct kdwc3_irq_regs *)CONFIG_USB_SS_BASE; + phy = (struct keystone_xhci_phy *)CONFIG_DEV_USB_PHY_BASE; + + /* Enable the PHY REFCLK clock gate with phy_ref_ssp_en = 1 */ + val = readl(&(phy->phy_clock)); + val |= USB3_PHY_REF_SSP_EN; + writel(val, &phy->phy_clock); + + mdelay(100); + + /* Release USB from reset */ + ret = psc_enable_module(KS2_LPSC_USB); + if (ret) { + puts("Cannot enable USB module"); + return -1; + } + + mdelay(100); + + /* Initialize usb phy */ + keystone_xhci_phy_set(phy); + + /* soft reset usbss */ + writel(1, &usbss->sysconfig); + while (readl(&usbss->sysconfig) & 1) + ; + + val = readl(&usbss->revision); + debug("usbss revision %x\n", val); + + /* Initialize usb core */ + hcd = (struct xhci_hccr *)CONFIG_USB_HOST_XHCI_BASE; + keystone.dwc3_reg = (struct dwc3 *)(CONFIG_USB_HOST_XHCI_BASE + + DWC3_REG_OFFSET); + + keystone_xhci_core_init(keystone.dwc3_reg); + + /* set register addresses */ + hcor = (struct xhci_hcor *)((uint32_t)hcd + + HC_LENGTH(readl(&hcd->cr_capbase))); + + debug("Keystone2-xhci: init hccr %08x and hcor %08x hc_length %d\n", + (u32)hcd, (u32)hcor, + (u32)HC_LENGTH(xhci_readl(&hcd->cr_capbase))); + + keystone.usbss = usbss; + keystone.phy = phy; + keystone.hcd = hcd; + keystone.hcor = hcor; + + *ret_hccr = hcd; + *ret_hcor = hcor; + + return 0; +} + +static int keystone_xhci_phy_suspend(void) +{ + int loop_cnt = 0; + struct xhci_hcor *hcor; + uint32_t *portsc_1 = NULL; + uint32_t *portsc_2 = NULL; + u32 val, usb2_pls, usb3_pls, event_q; + struct dwc3 *dwc3_reg = keystone.dwc3_reg; + + /* set register addresses */ + hcor = keystone.hcor; + + /* Bypass Scrambling and Set Shorter Training sequence for simulation */ + val = DWC3_GCTL_PWRDNSCALE(0x4b0) | DWC3_GCTL_PRTCAPDIR(0x2); + writel(val, &dwc3_reg->g_ctl); + + /* GUSB2PHYCFG */ + val = readl(&dwc3_reg->g_usb2phycfg[0]); + + /* assert bit 6 (SusPhy) */ + val |= DWC3_GUSB2PHYCFG_SUSPHY; + writel(val, &dwc3_reg->g_usb2phycfg[0]); + + /* GUSB3PIPECTL */ + val = readl(&dwc3_reg->g_usb3pipectl[0]); + + /* + * assert bit 29 to allow PHY to go to suspend when idle + * and cause the USB3 SS PHY to enter suspend mode + */ + val |= (BIT(29) | DWC3_GUSB3PIPECTL_SUSPHY); + writel(val, &dwc3_reg->g_usb3pipectl[0]); + + /* + * Steps necessary to allow controller to suspend even when + * VBUS is HIGH: + * - Init DCFG[2:0] (DevSpd) to: 1=FS + * - Init GEVNTADR0 to point to an eventQ + * - Init GEVNTSIZ0 to 0x0100 to specify the size of the eventQ + * - Init DCTL::Run_nStop = 1 + */ + writel(0x00020001, &dwc3_reg->d_cfg); + /* TODO: local2global( (Uint32) eventQ )? */ + writel((u32)&event_q, &dwc3_reg->g_evnt_buf[0].g_evntadrlo); + writel(0, &dwc3_reg->g_evnt_buf[0].g_evntadrhi); + writel(0x4, &dwc3_reg->g_evnt_buf[0].g_evntsiz); + /* Run */ + writel(DWC3_DCTL_RUN_STOP, &dwc3_reg->d_ctl); + + mdelay(100); + + /* Wait for USB2 & USB3 PORTSC::PortLinkState to indicate suspend */ + portsc_1 = (uint32_t *)(&hcor->portregs[0].or_portsc); + portsc_2 = (uint32_t *)(&hcor->portregs[1].or_portsc); + usb2_pls = 0; + usb3_pls = 0; + do { + ++loop_cnt; + usb2_pls = (readl(portsc_1) & PORT_PLS_MASK) >> 5; + usb3_pls = (readl(portsc_2) & PORT_PLS_MASK) >> 5; + } while (((usb2_pls != 0x4) || (usb3_pls != 0x4)) && loop_cnt < 1000); + + if (usb2_pls != 0x4 || usb3_pls != 0x4) { + debug("USB suspend failed - PLS USB2=%02x, USB3=%02x\n", + usb2_pls, usb3_pls); + return -1; + } + + debug("USB2 and USB3 PLS - Disabled, loop_cnt=%d\n", loop_cnt); + return 0; +} + +void xhci_hcd_stop(int index) +{ + /* Disable USB */ + if (keystone_xhci_phy_suspend()) + return; + + if (psc_disable_module(KS2_LPSC_USB)) { + debug("PSC disable module USB failed!\n"); + return; + } + + /* Disable PHY */ + keystone_xhci_phy_unset(keystone.phy); + +/* memset(&keystone, 0, sizeof(struct keystone_xhci)); */ + debug("xhci_hcd_stop OK.\n"); +} |
