diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dfu/Makefile | 2 | ||||
| -rw-r--r-- | drivers/usb/gadget/Makefile | 11 | ||||
| -rw-r--r-- | drivers/usb/gadget/bcm_udc_otg.h | 22 | ||||
| -rw-r--r-- | drivers/usb/gadget/bcm_udc_otg_phy.c | 51 | ||||
| -rw-r--r-- | drivers/usb/gadget/ci_udc.c | 31 | ||||
| -rw-r--r-- | drivers/usb/gadget/f_fastboot.c | 22 | ||||
| -rw-r--r-- | drivers/usb/gadget/g_dnl.c | 13 | ||||
| -rw-r--r-- | drivers/usb/host/Makefile | 2 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-marvell.c | 26 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-dwc3.c | 97 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-exynos5.c | 78 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-fsl.c | 111 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-keystone.c | 88 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-omap.c | 60 | ||||
| -rw-r--r-- | drivers/usb/phy/omap_usb_phy.c | 18 |
15 files changed, 346 insertions, 286 deletions
diff --git a/drivers/dfu/Makefile b/drivers/dfu/Makefile index 5cc535e..cebea30 100644 --- a/drivers/dfu/Makefile +++ b/drivers/dfu/Makefile @@ -5,7 +5,7 @@ # SPDX-License-Identifier: GPL-2.0+ # -obj-$(CONFIG_DFU_FUNCTION) += dfu.o +obj-$(CONFIG_USB_FUNCTION_DFU) += dfu.o obj-$(CONFIG_DFU_MMC) += dfu_mmc.o obj-$(CONFIG_DFU_NAND) += dfu_nand.o obj-$(CONFIG_DFU_RAM) += dfu_ram.o diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index 70bb550..4c11a7e 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -11,15 +11,16 @@ obj-$(CONFIG_USB_ETHER) += epautoconf.o config.o usbstring.o # new USB gadget layer dependencies ifdef CONFIG_USB_GADGET obj-$(CONFIG_USB_GADGET_ATMEL_USBA) += atmel_usba_udc.o +obj-$(CONFIG_USB_GADGET_BCM_UDC_OTG_PHY) += bcm_udc_otg_phy.o obj-$(CONFIG_USB_GADGET_S3C_UDC_OTG) += s3c_udc_otg.o obj-$(CONFIG_USB_GADGET_S3C_UDC_OTG_PHY) += s3c_udc_otg_phy.o obj-$(CONFIG_USB_GADGET_FOTG210) += fotg210.o obj-$(CONFIG_CI_UDC) += ci_udc.o -obj-$(CONFIG_THOR_FUNCTION) += f_thor.o -obj-$(CONFIG_USBDOWNLOAD_GADGET) += g_dnl.o -obj-$(CONFIG_DFU_FUNCTION) += f_dfu.o -obj-$(CONFIG_USB_GADGET_MASS_STORAGE) += f_mass_storage.o -obj-$(CONFIG_CMD_FASTBOOT) += f_fastboot.o +obj-$(CONFIG_USB_GADGET_DOWNLOAD) += g_dnl.o +obj-$(CONFIG_USB_FUNCTION_THOR) += f_thor.o +obj-$(CONFIG_USB_FUNCTION_DFU) += f_dfu.o +obj-$(CONFIG_USB_FUNCTION_MASS_STORAGE) += f_mass_storage.o +obj-$(CONFIG_USB_FUNCTION_FASTBOOT) += f_fastboot.o endif ifdef CONFIG_USB_ETHER obj-y += ether.o diff --git a/drivers/usb/gadget/bcm_udc_otg.h b/drivers/usb/gadget/bcm_udc_otg.h new file mode 100644 index 0000000..d47aefa --- /dev/null +++ b/drivers/usb/gadget/bcm_udc_otg.h @@ -0,0 +1,22 @@ +/* + * Copyright 2015 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __BCM_UDC_OTG_H +#define __BCM_UDC_OTG_H + +#include <common.h> + +static inline void wfld_set(uintptr_t addr, uint32_t fld_val, uint32_t fld_mask) +{ + writel(((readl(addr) & ~(fld_mask)) | (fld_val)), (addr)); +} + +static inline void wfld_clear(uintptr_t addr, uint32_t fld_mask) +{ + writel((readl(addr) & ~(fld_mask)), (addr)); +} + +#endif diff --git a/drivers/usb/gadget/bcm_udc_otg_phy.c b/drivers/usb/gadget/bcm_udc_otg_phy.c new file mode 100644 index 0000000..f8690b0 --- /dev/null +++ b/drivers/usb/gadget/bcm_udc_otg_phy.c @@ -0,0 +1,51 @@ +/* + * Copyright 2015 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <common.h> +#include <asm/io.h> +#include <asm/arch/sysmap.h> + +#include <usb/s3c_udc.h> +#include "bcm_udc_otg.h" + +void otg_phy_init(struct s3c_udc *dev) +{ + /* set Phy to driving mode */ + wfld_clear(HSOTG_CTRL_BASE_ADDR + HSOTG_CTRL_PHY_P1CTL_OFFSET, + HSOTG_CTRL_PHY_P1CTL_NON_DRIVING_MASK); + + udelay(100); + + /* clear Soft Disconnect */ + wfld_clear(HSOTG_BASE_ADDR + HSOTG_DCTL_OFFSET, + HSOTG_DCTL_SFTDISCON_MASK); + + /* invoke Reset (active low) */ + wfld_clear(HSOTG_CTRL_BASE_ADDR + HSOTG_CTRL_PHY_P1CTL_OFFSET, + HSOTG_CTRL_PHY_P1CTL_SOFT_RESET_MASK); + + /* Reset needs to be asserted for 2ms */ + udelay(2000); + + /* release Reset */ + wfld_set(HSOTG_CTRL_BASE_ADDR + HSOTG_CTRL_PHY_P1CTL_OFFSET, + HSOTG_CTRL_PHY_P1CTL_SOFT_RESET_MASK, + HSOTG_CTRL_PHY_P1CTL_SOFT_RESET_MASK); +} + +void otg_phy_off(struct s3c_udc *dev) +{ + /* Soft Disconnect */ + wfld_set(HSOTG_BASE_ADDR + HSOTG_DCTL_OFFSET, + HSOTG_DCTL_SFTDISCON_MASK, + HSOTG_DCTL_SFTDISCON_MASK); + + /* set Phy to non-driving (reset) mode */ + wfld_set(HSOTG_CTRL_BASE_ADDR + HSOTG_CTRL_PHY_P1CTL_OFFSET, + HSOTG_CTRL_PHY_P1CTL_NON_DRIVING_MASK, + HSOTG_CTRL_PHY_P1CTL_NON_DRIVING_MASK); +} diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c index aadff42..3e8eb87 100644 --- a/drivers/usb/gadget/ci_udc.c +++ b/drivers/usb/gadget/ci_udc.c @@ -221,8 +221,8 @@ static void ci_flush_qtd(int ep_num) */ static void ci_flush_td(struct ept_queue_item *td) { - const uint32_t start = (uint32_t)td; - const uint32_t end = (uint32_t) td + ILIST_ENT_SZ; + const unsigned long start = (unsigned long)td; + const unsigned long end = (unsigned long)td + ILIST_ENT_SZ; flush_dcache_range(start, end); } @@ -249,8 +249,8 @@ static void ci_invalidate_qtd(int ep_num) */ static void ci_invalidate_td(struct ept_queue_item *td) { - const uint32_t start = (uint32_t)td; - const uint32_t end = start + ILIST_ENT_SZ; + const unsigned long start = (unsigned long)td; + const unsigned long end = start + ILIST_ENT_SZ; invalidate_dcache_range(start, end); } @@ -258,10 +258,12 @@ static struct usb_request * ci_ep_alloc_request(struct usb_ep *ep, unsigned int gfp_flags) { struct ci_ep *ci_ep = container_of(ep, struct ci_ep, ep); - int num; + int num = -1; struct ci_req *ci_req; - num = ci_ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; + if (ci_ep->desc) + num = ci_ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; + if (num == 0 && controller.ep0_req) return &controller.ep0_req->req; @@ -281,9 +283,11 @@ static void ci_ep_free_request(struct usb_ep *ep, struct usb_request *req) { struct ci_ep *ci_ep = container_of(ep, struct ci_ep, ep); struct ci_req *ci_req = container_of(req, struct ci_req, req); - int num; + int num = -1; + + if (ci_ep->desc) + num = ci_ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; - num = ci_ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; if (num == 0) { if (!controller.ep0_req) return; @@ -459,7 +463,7 @@ static void ci_ep_submit_next_request(struct ci_ep *ci_ep) if (len) { qtd = (struct ept_queue_item *) memalign(ILIST_ALIGN, ILIST_ENT_SZ); - dtd->next = (uint32_t)qtd; + dtd->next = (unsigned long)qtd; dtd = qtd; memset(dtd, 0, ILIST_ENT_SZ); } @@ -503,10 +507,10 @@ static void ci_ep_submit_next_request(struct ci_ep *ci_ep) ci_flush_qtd(num); - item = (struct ept_queue_item *)head->next; + item = (struct ept_queue_item *)(unsigned long)head->next; while (item->next != TERMINATE) { - ci_flush_td((struct ept_queue_item *)item->next); - item = (struct ept_queue_item *)item->next; + ci_flush_td((struct ept_queue_item *)(unsigned long)item->next); + item = (struct ept_queue_item *)(unsigned long)item->next; } DBG("ept%d %s queue len %x, req %p, buffer %p\n", @@ -594,7 +598,8 @@ static void handle_ep_complete(struct ci_ep *ci_ep) printf("EP%d/%s FAIL info=%x pg0=%x\n", num, in ? "in" : "out", item->info, item->page0); if (j != ci_req->dtd_count - 1) - next_td = (struct ept_queue_item *)item->next; + next_td = (struct ept_queue_item *)(unsigned long) + item->next; if (j != 0) free(item); } diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c index 206b6d1..ca01a01 100644 --- a/drivers/usb/gadget/f_fastboot.c +++ b/drivers/usb/gadget/f_fastboot.c @@ -311,6 +311,9 @@ static int fastboot_tx_write(const char *buffer, unsigned int buffer_size) memcpy(in_req->buf, buffer, buffer_size); in_req->length = buffer_size; + + usb_ep_dequeue(fastboot_func->in_ep, in_req); + ret = usb_ep_queue(fastboot_func->in_ep, in_req, 0); if (ret) printf("Error %d on queue\n", ret); @@ -377,7 +380,7 @@ static void cb_getvar(struct usb_ep *ep, struct usb_request *req) !strcmp_l1("max-download-size", cmd)) { char str_num[12]; - sprintf(str_num, "0x%08x", CONFIG_USB_FASTBOOT_BUF_SIZE); + sprintf(str_num, "0x%08x", CONFIG_FASTBOOT_BUF_SIZE); strncat(response, str_num, chars_left); } else if (!strcmp_l1("serialno", cmd)) { s = getenv("serial#"); @@ -427,7 +430,7 @@ static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req) if (buffer_size < transfer_size) transfer_size = buffer_size; - memcpy((void *)CONFIG_USB_FASTBOOT_BUF_ADDR + download_bytes, + memcpy((void *)CONFIG_FASTBOOT_BUF_ADDR + download_bytes, buffer, transfer_size); pre_dot_num = download_bytes / BYTES_PER_DOT; @@ -480,7 +483,7 @@ static void cb_download(struct usb_ep *ep, struct usb_request *req) if (0 == download_size) { sprintf(response, "FAILdata invalid size"); - } else if (download_size > CONFIG_USB_FASTBOOT_BUF_SIZE) { + } else if (download_size > CONFIG_FASTBOOT_BUF_SIZE) { download_size = 0; sprintf(response, "FAILdata too large"); } else { @@ -541,7 +544,7 @@ static void cb_flash(struct usb_ep *ep, struct usb_request *req) strcpy(response, "FAILno flash device defined"); #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV - fb_mmc_flash_write(cmd, (void *)CONFIG_USB_FASTBOOT_BUF_ADDR, + fb_mmc_flash_write(cmd, (void *)CONFIG_FASTBOOT_BUF_ADDR, download_bytes, response); #endif fastboot_tx_write_str(response); @@ -635,6 +638,9 @@ static void rx_handler_command(struct usb_ep *ep, struct usb_request *req) void (*func_cb)(struct usb_ep *ep, struct usb_request *req) = NULL; int i; + if (req->status != 0 || req->length == 0) + return; + for (i = 0; i < ARRAY_SIZE(cmd_dispatch_info); i++) { if (!strcmp_l1(cmd_dispatch_info[i].cmd, cmdbuf)) { func_cb = cmd_dispatch_info[i].cb; @@ -656,9 +662,7 @@ static void rx_handler_command(struct usb_ep *ep, struct usb_request *req) } } - if (req->status == 0) { - *cmdbuf = '\0'; - req->actual = 0; - usb_ep_queue(ep, req, 0); - } + *cmdbuf = '\0'; + req->actual = 0; + usb_ep_queue(ep, req, 0); } diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c index ee52a29..ad89a0d 100644 --- a/drivers/usb/gadget/g_dnl.c +++ b/drivers/usb/gadget/g_dnl.c @@ -12,6 +12,7 @@ #include <mmc.h> #include <part.h> +#include <usb.h> #include <g_dnl.h> #include <usb_mass_storage.h> @@ -148,6 +149,18 @@ static int g_dnl_config_register(struct usb_composite_dev *cdev) } __weak +int board_usb_init(int index, enum usb_init_type init) +{ + return 0; +} + +__weak +int board_usb_cleanup(int index, enum usb_init_type init) +{ + return 0; +} + +__weak int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) { return 0; diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 4d35d3e..6cc3bbd 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -51,8 +51,10 @@ obj-$(CONFIG_USB_EHCI_ZYNQ) += ehci-zynq.o # xhci obj-$(CONFIG_USB_XHCI) += xhci.o xhci-mem.o xhci-ring.o +obj-$(CONFIG_USB_XHCI_DWC3) += xhci-dwc3.o obj-$(CONFIG_USB_XHCI_KEYSTONE) += xhci-keystone.o obj-$(CONFIG_USB_XHCI_EXYNOS) += xhci-exynos5.o +obj-$(CONFIG_USB_XHCI_FSL) += xhci-fsl.o obj-$(CONFIG_USB_XHCI_OMAP) += xhci-omap.o obj-$(CONFIG_USB_XHCI_PCI) += xhci-pci.o obj-$(CONFIG_USB_XHCI_UNIPHIER) += xhci-uniphier.o diff --git a/drivers/usb/host/ehci-marvell.c b/drivers/usb/host/ehci-marvell.c index 03c489c..3a9f60f 100644 --- a/drivers/usb/host/ehci-marvell.c +++ b/drivers/usb/host/ehci-marvell.c @@ -21,9 +21,6 @@ DECLARE_GLOBAL_DATA_PTR; -#define rdl(off) readl(MVUSB0_BASE + (off)) -#define wrl(off, val) writel((val), MVUSB0_BASE + (off)) - #define USB_WINDOW_CTRL(i) (0x320 + ((i) << 4)) #define USB_WINDOW_BASE(i) (0x324 + ((i) << 4)) #define USB_TARGET_DRAM 0x0 @@ -48,20 +45,20 @@ static void usb_brg_adrdec_setup(void) dram = mvebu_mbus_dram_info(); for (i = 0; i < 4; i++) { - wrl(USB_WINDOW_CTRL(i), 0); - wrl(USB_WINDOW_BASE(i), 0); + writel(0, MVUSB0_BASE + USB_WINDOW_CTRL(i)); + writel(0, MVUSB0_BASE + USB_WINDOW_BASE(i)); } for (i = 0; i < dram->num_cs; i++) { const struct mbus_dram_window *cs = dram->cs + i; /* Write size, attributes and target id to control register */ - wrl(USB_WINDOW_CTRL(i), - ((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) | - (dram->mbus_dram_target_id << 4) | 1); + writel(((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) | + (dram->mbus_dram_target_id << 4) | 1, + MVUSB0_BASE + USB_WINDOW_CTRL(i)); /* Write base address to base register */ - wrl(USB_WINDOW_BASE(i), cs->base); + writel(cs->base, MVUSB0_BASE + USB_WINDOW_BASE(i)); } } #else @@ -95,13 +92,14 @@ static void usb_brg_adrdec_setup(void) size = gd->bd->bi_dram[i].size; base = gd->bd->bi_dram[i].start; if ((size) && (attrib)) - wrl(USB_WINDOW_CTRL(i), - MVCPU_WIN_CTRL_DATA(size, USB_TARGET_DRAM, - attrib, MVCPU_WIN_ENABLE)); + writel(MVCPU_WIN_CTRL_DATA(size, USB_TARGET_DRAM, + attrib, MVCPU_WIN_ENABLE), + MVUSB0_BASE + USB_WINDOW_CTRL(i)); else - wrl(USB_WINDOW_CTRL(i), MVCPU_WIN_DISABLE); + writel(MVCPU_WIN_DISABLE, + MVUSB0_BASE + USB_WINDOW_CTRL(i)); - wrl(USB_WINDOW_BASE(i), base); + writel(base, MVUSB0_BASE + USB_WINDOW_BASE(i)); } } #endif diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c new file mode 100644 index 0000000..c722c50 --- /dev/null +++ b/drivers/usb/host/xhci-dwc3.c @@ -0,0 +1,97 @@ +/* + * Copyright 2015 Freescale Semiconductor, Inc. + * + * DWC3 controller driver + * + * Author: Ramneek Mehresh<ramneek.mehresh@freescale.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <linux/usb/dwc3.h> + +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)); +} + +void dwc3_phy_reset(struct dwc3 *dwc3_reg) +{ + /* Assert USB3 PHY reset */ + setbits_le32(&dwc3_reg->g_usb3pipectl[0], DWC3_GUSB3PIPECTL_PHYSOFTRST); + + /* Assert USB2 PHY reset */ + setbits_le32(&dwc3_reg->g_usb2phycfg, 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, DWC3_GUSB2PHYCFG_PHYSOFTRST); +} + +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); + + /* reset USB3 phy - if required */ + dwc3_phy_reset(dwc3_reg); + + /* After PHYs are stable we can take Core out of reset state */ + clrbits_le32(&dwc3_reg->g_ctl, DWC3_GCTL_CORESOFTRESET); +} + +int dwc3_core_init(struct dwc3 *dwc3_reg) +{ + u32 reg; + u32 revision; + 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 -1; + } + + dwc3_core_soft_reset(dwc3_reg); + + dwc3_hwparams1 = readl(&dwc3_reg->g_hwparams1); + + reg = readl(&dwc3_reg->g_ctl); + reg &= ~DWC3_GCTL_SCALEDOWN_MASK; + reg &= ~DWC3_GCTL_DISSCRAMBLE; + switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc3_hwparams1)) { + case DWC3_GHWPARAMS1_EN_PWROPT_CLK: + reg &= ~DWC3_GCTL_DSBLCLKGTNG; + break; + default: + debug("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) + reg |= DWC3_GCTL_U2RSTECN; + + writel(reg, &dwc3_reg->g_ctl); + + return 0; +} + +void dwc3_set_fladj(struct dwc3 *dwc3_reg, u32 val) +{ + setbits_le32(&dwc3_reg->g_fladj, GFLADJ_30MHZ_REG_SEL | + GFLADJ_30MHZ(val)); +} diff --git a/drivers/usb/host/xhci-exynos5.c b/drivers/usb/host/xhci-exynos5.c index a27a796..251885b 100644 --- a/drivers/usb/host/xhci-exynos5.c +++ b/drivers/usb/host/xhci-exynos5.c @@ -179,84 +179,6 @@ static void exynos5_usb3_phy_exit(struct exynos_usb3_phy *phy) set_usbdrd_phy_ctrl(POWER_USB_DRD_PHY_CTRL_DISABLE); } -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, - 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, - 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 reg; - u32 revision; - 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; - } - - dwc3_core_soft_reset(dwc3_reg); - - dwc3_hwparams1 = readl(&dwc3_reg->g_hwparams1); - - reg = readl(&dwc3_reg->g_ctl); - reg &= ~DWC3_GCTL_SCALEDOWN_MASK; - reg &= ~DWC3_GCTL_DISSCRAMBLE; - switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc3_hwparams1)) { - case DWC3_GHWPARAMS1_EN_PWROPT_CLK: - reg &= ~DWC3_GCTL_DSBLCLKGTNG; - break; - default: - debug("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) - reg |= DWC3_GCTL_U2RSTECN; - - writel(reg, &dwc3_reg->g_ctl); - - return 0; -} - static int exynos_xhci_core_init(struct exynos_xhci *exynos) { int ret; diff --git a/drivers/usb/host/xhci-fsl.c b/drivers/usb/host/xhci-fsl.c new file mode 100644 index 0000000..6481e07 --- /dev/null +++ b/drivers/usb/host/xhci-fsl.c @@ -0,0 +1,111 @@ +/* + * Copyright 2015 Freescale Semiconductor, Inc. + * + * FSL USB HOST xHCI Controller + * + * Author: Ramneek Mehresh<ramneek.mehresh@freescale.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <usb.h> +#include <asm-generic/errno.h> +#include <linux/compat.h> +#include <linux/usb/xhci-fsl.h> +#include <linux/usb/dwc3.h> +#include "xhci.h" + +/* Declare global data pointer */ +DECLARE_GLOBAL_DATA_PTR; + +static struct fsl_xhci fsl_xhci; +unsigned long ctr_addr[] = FSL_USB_XHCI_ADDR; + +__weak int __board_usb_init(int index, enum usb_init_type init) +{ + return 0; +} + +void usb_phy_reset(struct dwc3 *dwc3_reg) +{ + /* Assert USB3 PHY reset */ + setbits_le32(&dwc3_reg->g_usb3pipectl[0], DWC3_GUSB3PIPECTL_PHYSOFTRST); + + /* Assert USB2 PHY reset */ + setbits_le32(&dwc3_reg->g_usb2phycfg, DWC3_GUSB2PHYCFG_PHYSOFTRST); + + mdelay(200); + + /* Clear USB3 PHY reset */ + clrbits_le32(&dwc3_reg->g_usb3pipectl[0], DWC3_GUSB3PIPECTL_PHYSOFTRST); + + /* Clear USB2 PHY reset */ + clrbits_le32(&dwc3_reg->g_usb2phycfg, DWC3_GUSB2PHYCFG_PHYSOFTRST); +} + +static int fsl_xhci_core_init(struct fsl_xhci *fsl_xhci) +{ + int ret = 0; + + ret = dwc3_core_init(fsl_xhci->dwc3_reg); + if (ret) { + debug("%s:failed to initialize core\n", __func__); + return ret; + } + + /* We are hard-coding DWC3 core to Host Mode */ + dwc3_set_mode(fsl_xhci->dwc3_reg, DWC3_GCTL_PRTCAP_HOST); + + /* Set GFLADJ_30MHZ as 20h as per XHCI spec default value */ + dwc3_set_fladj(fsl_xhci->dwc3_reg, GFLADJ_30MHZ_DEFAULT); + + return ret; +} + +static int fsl_xhci_core_exit(struct fsl_xhci *fsl_xhci) +{ + /* + * Currently fsl socs do not support PHY shutdown from + * sw. But this support may be added in future socs. + */ + return 0; +} + +int xhci_hcd_init(int index, struct xhci_hccr **hccr, struct xhci_hcor **hcor) +{ + struct fsl_xhci *ctx = &fsl_xhci; + int ret = 0; + + ctx->hcd = (struct xhci_hccr *)ctr_addr[index]; + ctx->dwc3_reg = (struct dwc3 *)((char *)(ctx->hcd) + DWC3_REG_OFFSET); + + ret = board_usb_init(index, USB_INIT_HOST); + if (ret != 0) { + puts("Failed to initialize board for USB\n"); + return ret; + } + + ret = fsl_xhci_core_init(ctx); + if (ret < 0) { + puts("Failed to initialize xhci\n"); + return ret; + } + + *hccr = (struct xhci_hccr *)ctx->hcd; + *hcor = (struct xhci_hcor *)((uintptr_t) *hccr + + HC_LENGTH(xhci_readl(&(*hccr)->cr_capbase))); + + debug("fsl-xhci: init hccr %lx and hcor %lx hc_length %lx\n", + (uintptr_t)*hccr, (uintptr_t)*hcor, + (uintptr_t)HC_LENGTH(xhci_readl(&(*hccr)->cr_capbase))); + + return ret; +} + +void xhci_hcd_stop(int index) +{ + struct fsl_xhci *ctx = &fsl_xhci; + + fsl_xhci_core_exit(ctx); +} diff --git a/drivers/usb/host/xhci-keystone.c b/drivers/usb/host/xhci-keystone.c index 05d338f..924fb76 100644 --- a/drivers/usb/host/xhci-keystone.c +++ b/drivers/usb/host/xhci-keystone.c @@ -68,94 +68,6 @@ static void keystone_xhci_phy_unset(struct keystone_xhci_phy *phy) 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; diff --git a/drivers/usb/host/xhci-omap.c b/drivers/usb/host/xhci-omap.c index 912b2bd..3a55208 100644 --- a/drivers/usb/host/xhci-omap.c +++ b/drivers/usb/host/xhci-omap.c @@ -34,66 +34,6 @@ inline int __board_usb_init(int index, enum usb_init_type init) int board_usb_init(int index, enum usb_init_type init) __attribute__((weak, alias("__board_usb_init"))); -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); - - omap_reset_usb_phy(dwc3_reg); - - /* 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 reg; - u32 revision; - 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 -1; - } - - dwc3_core_soft_reset(dwc3_reg); - - dwc3_hwparams1 = readl(&dwc3_reg->g_hwparams1); - - reg = readl(&dwc3_reg->g_ctl); - reg &= ~DWC3_GCTL_SCALEDOWN_MASK; - reg &= ~DWC3_GCTL_DISSCRAMBLE; - switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc3_hwparams1)) { - case DWC3_GHWPARAMS1_EN_PWROPT_CLK: - reg &= ~DWC3_GCTL_DSBLCLKGTNG; - break; - default: - debug("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) - reg |= DWC3_GCTL_U2RSTECN; - - writel(reg, &dwc3_reg->g_ctl); - - return 0; -} - static int omap_xhci_core_init(struct omap_xhci *omap) { int ret = 0; diff --git a/drivers/usb/phy/omap_usb_phy.c b/drivers/usb/phy/omap_usb_phy.c index 63d9301..f9069c7 100644 --- a/drivers/usb/phy/omap_usb_phy.c +++ b/drivers/usb/phy/omap_usb_phy.c @@ -223,24 +223,6 @@ void usb_phy_power(int on) } #endif /* CONFIG_AM437X_USB2PHY2_HOST */ -void omap_reset_usb_phy(struct dwc3 *dwc3_reg) -{ - /* Assert USB3 PHY reset */ - setbits_le32(&dwc3_reg->g_usb3pipectl[0], DWC3_GUSB3PIPECTL_PHYSOFTRST); - - /* Assert USB2 PHY reset */ - setbits_le32(&dwc3_reg->g_usb2phycfg, 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, DWC3_GUSB2PHYCFG_PHYSOFTRST); - -} - void omap_enable_phy(struct omap_xhci *omap) { #ifdef CONFIG_OMAP_USB2PHY2_HOST |