diff options
author | Tom Rini <trini@konsulko.com> | 2015-08-19 18:04:48 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2015-08-19 18:04:48 -0400 |
commit | a5d338b2f24d8e193bfa2b6ee33eb39cff0b4adf (patch) | |
tree | d76b05507789305b36c78f478acde37fde1cd994 | |
parent | d1221462fece27ad163dcd0c181a456c73fe2011 (diff) | |
parent | 7a1386f96bca550240670fa3461d3a0dc060aa01 (diff) |
Merge git://git.denx.de/u-boot-usb
-rw-r--r-- | arch/arm/cpu/arm926ejs/spear/cpu.c | 4 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-spear/hardware.h | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/ether.c | 5 | ||||
-rw-r--r-- | drivers/usb/host/Makefile | 1 | ||||
-rw-r--r-- | drivers/usb/host/dwc2.c | 3 | ||||
-rw-r--r-- | drivers/usb/host/ehci-mx6.c | 211 | ||||
-rw-r--r-- | drivers/usb/host/ehci-spear.c | 38 | ||||
-rw-r--r-- | drivers/usb/host/xhci-omap.c | 1 | ||||
-rw-r--r-- | drivers/usb/host/xhci.c | 19 |
9 files changed, 223 insertions, 61 deletions
diff --git a/arch/arm/cpu/arm926ejs/spear/cpu.c b/arch/arm/cpu/arm926ejs/spear/cpu.c index 1ce9db7a7d..3037084b29 100644 --- a/arch/arm/cpu/arm926ejs/spear/cpu.c +++ b/arch/arm/cpu/arm926ejs/spear/cpu.c @@ -47,8 +47,12 @@ int arch_cpu_init(void) #if defined(CONFIG_NAND_FSMC) periph1_clken |= MISC_FSMCENB; #endif +#if defined(CONFIG_USB_EHCI_SPEAR) + periph1_clken |= PERIPH_USBH1 | PERIPH_USBH2; +#endif writel(periph1_clken, &misc_p->periph1_clken); + return 0; } diff --git a/arch/arm/include/asm/arch-spear/hardware.h b/arch/arm/include/asm/arch-spear/hardware.h index c6da405cc0..065360ab35 100644 --- a/arch/arm/include/asm/arch-spear/hardware.h +++ b/arch/arm/include/asm/arch-spear/hardware.h @@ -11,6 +11,8 @@ #define CONFIG_SYS_USBD_BASE 0xE1100000 #define CONFIG_SYS_PLUG_BASE 0xE1200000 #define CONFIG_SYS_FIFO_BASE 0xE1000800 +#define CONFIG_SYS_UHC0_EHCI_BASE 0xE1800000 +#define CONFIG_SYS_UHC1_EHCI_BASE 0xE2000000 #define CONFIG_SYS_SMI_BASE 0xFC000000 #define CONFIG_SPEAR_SYSCNTLBASE 0xFCA00000 #define CONFIG_SPEAR_TIMERBASE 0xFC800000 diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 141ff8be59..53f4672291 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -15,6 +15,7 @@ #include <linux/usb/cdc.h> #include <linux/usb/gadget.h> #include <net.h> +#include <usb.h> #include <malloc.h> #include <linux/ctype.h> @@ -2312,6 +2313,8 @@ static int usb_eth_init(struct eth_device *netdev, bd_t *bd) goto fail; } + board_usb_init(0, USB_INIT_DEVICE); + /* Configure default mac-addresses for the USB ethernet device */ #ifdef CONFIG_USBNET_DEV_ADDR strlcpy(dev_addr, CONFIG_USBNET_DEV_ADDR, sizeof(dev_addr)); @@ -2492,6 +2495,7 @@ void usb_eth_halt(struct eth_device *netdev) } usb_gadget_unregister_driver(ð_driver); + board_usb_cleanup(0, USB_INIT_DEVICE); } static struct usb_gadget_driver eth_driver = { @@ -2501,6 +2505,7 @@ static struct usb_gadget_driver eth_driver = { .unbind = eth_unbind, .setup = eth_setup, + .reset = eth_disconnect, .disconnect = eth_disconnect, .suspend = eth_suspend, diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 7f07d7734a..f70f38c9e8 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -37,6 +37,7 @@ obj-$(CONFIG_USB_EHCI_MXC) += ehci-mxc.o obj-$(CONFIG_USB_EHCI_MXS) += ehci-mxs.o obj-$(CONFIG_USB_EHCI_MX5) += ehci-mx5.o obj-$(CONFIG_USB_EHCI_MX6) += ehci-mx6.o +obj-$(CONFIG_USB_EHCI_MX7) += ehci-mx6.o obj-$(CONFIG_USB_EHCI_OMAP) += ehci-omap.o obj-$(CONFIG_USB_EHCI_PPC4XX) += ehci-ppc4xx.o obj-$(CONFIG_USB_EHCI_MARVELL) += ehci-marvell.o diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c index 09f91f190a..85236aeb2a 100644 --- a/drivers/usb/host/dwc2.c +++ b/drivers/usb/host/dwc2.c @@ -1113,11 +1113,12 @@ struct dm_usb_ops dwc2_usb_ops = { static const struct udevice_id dwc2_usb_ids[] = { { .compatible = "brcm,bcm2835-usb" }, + { .compatible = "snps,dwc2" }, { } }; U_BOOT_DRIVER(usb_dwc2) = { - .name = "dwc2_exynos", + .name = "dwc2_usb", .id = UCLASS_USB, .of_match = dwc2_usb_ids, .ofdata_to_platdata = dwc2_usb_ofdata_to_platdata, diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index 951dd3b25f..2666351391 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -45,7 +45,10 @@ #define ANADIG_USB2_PLL_480_CTRL_POWER 0x00001000 #define ANADIG_USB2_PLL_480_CTRL_EN_USB_CLKS 0x00000040 - +#define USBNC_OFFSET 0x200 +#define USBNC_PHYSTATUS_ID_DIG (1 << 4) /* otg_id status */ +#define USBNC_PHYCFG2_ACAENB (1 << 4) /* otg_id detection enable */ +#define UCTRL_PM (1 << 9) /* OTG Power Mask */ #define UCTRL_OVER_CUR_POL (1 << 8) /* OTG Polarity of Overcurrent */ #define UCTRL_OVER_CUR_DIS (1 << 7) /* Disable OTG Overcurrent Detection */ @@ -53,6 +56,7 @@ #define UCMD_RUN_STOP (1 << 0) /* controller run/stop */ #define UCMD_RESET (1 << 1) /* controller reset */ +#if defined(CONFIG_MX6) static const unsigned phy_bases[] = { USB_PHY0_BASE_ADDR, USB_PHY1_BASE_ADDR, @@ -67,7 +71,7 @@ static void usb_internal_phy_clock_gate(int index, int on) phy_reg = (void __iomem *)phy_bases[index]; phy_reg += on ? USBPHY_CTRL_CLR : USBPHY_CTRL_SET; - __raw_writel(USBPHY_CTRL_CLKGATE, phy_reg); + writel(USBPHY_CTRL_CLKGATE, phy_reg); } static void usb_power_config(int index) @@ -100,26 +104,52 @@ static void usb_power_config(int index) * is totally controlled by IC, so the Software only needs * to enable them at initializtion. */ - __raw_writel(ANADIG_USB2_CHRG_DETECT_EN_B | + writel(ANADIG_USB2_CHRG_DETECT_EN_B | ANADIG_USB2_CHRG_DETECT_CHK_CHRG_B, chrg_detect); - __raw_writel(ANADIG_USB2_PLL_480_CTRL_BYPASS, + writel(ANADIG_USB2_PLL_480_CTRL_BYPASS, pll_480_ctrl_clr); - __raw_writel(ANADIG_USB2_PLL_480_CTRL_ENABLE | + writel(ANADIG_USB2_PLL_480_CTRL_ENABLE | ANADIG_USB2_PLL_480_CTRL_POWER | ANADIG_USB2_PLL_480_CTRL_EN_USB_CLKS, pll_480_ctrl_set); } +static int wait_for_bit(u32 *reg, const u32 mask, bool set) +{ + u32 val; + const unsigned int timeout = 10000; + unsigned long start = get_timer(0); + + while(1) { + val = readl(reg); + if (!set) + val = ~val; + + if ((val & mask) == mask) + return 0; + + if (get_timer(start) > timeout) + break; + + udelay(1); + } + + debug("%s: Timeout (reg=%p mask=%08x wait_set=%i)\n", + __func__, reg, mask, set); + + return -ETIMEDOUT; +} + /* Return 0 : host node, <>0 : device mode */ static int usb_phy_enable(int index, struct usb_ehci *ehci) { void __iomem *phy_reg; void __iomem *phy_ctrl; void __iomem *usb_cmd; - u32 val; + int ret; if (index >= ARRAY_SIZE(phy_bases)) return 0; @@ -129,40 +159,50 @@ static int usb_phy_enable(int index, struct usb_ehci *ehci) usb_cmd = (void __iomem *)&ehci->usbcmd; /* Stop then Reset */ - val = __raw_readl(usb_cmd); - val &= ~UCMD_RUN_STOP; - __raw_writel(val, usb_cmd); - while (__raw_readl(usb_cmd) & UCMD_RUN_STOP) - ; - - val = __raw_readl(usb_cmd); - val |= UCMD_RESET; - __raw_writel(val, usb_cmd); - while (__raw_readl(usb_cmd) & UCMD_RESET) - ; + clrbits_le32(usb_cmd, UCMD_RUN_STOP); + ret = wait_for_bit(usb_cmd, UCMD_RUN_STOP, 0); + if (ret) + return ret; + + setbits_le32(usb_cmd, UCMD_RESET); + ret = wait_for_bit(usb_cmd, UCMD_RESET, 0); + if (ret) + return ret; /* Reset USBPHY module */ - val = __raw_readl(phy_ctrl); - val |= USBPHY_CTRL_SFTRST; - __raw_writel(val, phy_ctrl); + setbits_le32(phy_ctrl, USBPHY_CTRL_SFTRST); udelay(10); /* Remove CLKGATE and SFTRST */ - val = __raw_readl(phy_ctrl); - val &= ~(USBPHY_CTRL_CLKGATE | USBPHY_CTRL_SFTRST); - __raw_writel(val, phy_ctrl); + clrbits_le32(phy_ctrl, USBPHY_CTRL_CLKGATE | USBPHY_CTRL_SFTRST); udelay(10); /* Power up the PHY */ - __raw_writel(0, phy_reg + USBPHY_PWD); + writel(0, phy_reg + USBPHY_PWD); /* enable FS/LS device */ - val = __raw_readl(phy_ctrl); - val |= (USBPHY_CTRL_ENUTMILEVEL2 | USBPHY_CTRL_ENUTMILEVEL3); - __raw_writel(val, phy_ctrl); + setbits_le32(phy_ctrl, USBPHY_CTRL_ENUTMILEVEL2 | + USBPHY_CTRL_ENUTMILEVEL3); return 0; } +int usb_phy_mode(int port) +{ + void __iomem *phy_reg; + void __iomem *phy_ctrl; + u32 val; + + phy_reg = (void __iomem *)phy_bases[port]; + phy_ctrl = (void __iomem *)(phy_reg + USBPHY_CTRL); + + val = readl(phy_ctrl); + + if (val & USBPHY_CTRL_OTG_ID) + return USB_INIT_DEVICE; + else + return USB_INIT_HOST; +} + /* Base address for this IP block is 0x02184800 */ struct usbnc_regs { u32 ctrl[4]; /* otg/host1-3 */ @@ -171,55 +211,113 @@ struct usbnc_regs { u32 otg_phy_ctrl_0; u32 uh1_phy_ctrl_0; }; +#elif defined(CONFIG_MX7) +struct usbnc_regs { + u32 ctrl1; + u32 ctrl2; + u32 reserve1[10]; + u32 phy_cfg1; + u32 phy_cfg2; + u32 phy_status; + u32 reserve2[4]; + u32 adp_cfg1; + u32 adp_cfg2; + u32 adp_status; +}; -static void usb_oc_config(int index) +static void usb_power_config(int index) { struct usbnc_regs *usbnc = (struct usbnc_regs *)(USB_BASE_ADDR + - USB_OTHERREGS_OFFSET); - void __iomem *ctrl = (void __iomem *)(&usbnc->ctrl[index]); - u32 val; + (0x10000 * index) + USBNC_OFFSET); + void __iomem *phy_cfg2 = (void __iomem *)(&usbnc->phy_cfg2); - val = __raw_readl(ctrl); -#if CONFIG_MACH_TYPE == MACH_TYPE_MX6Q_ARM2 - /* mx6qarm2 seems to required a different setting*/ - val &= ~UCTRL_OVER_CUR_POL; -#else - val |= UCTRL_OVER_CUR_POL; -#endif - __raw_writel(val, ctrl); - - val = __raw_readl(ctrl); - val |= UCTRL_OVER_CUR_DIS; - __raw_writel(val, ctrl); + /* Enable usb_otg_id detection */ + setbits_le32(phy_cfg2, USBNC_PHYCFG2_ACAENB); } int usb_phy_mode(int port) { - void __iomem *phy_reg; - void __iomem *phy_ctrl; + struct usbnc_regs *usbnc = (struct usbnc_regs *)(USB_BASE_ADDR + + (0x10000 * port) + USBNC_OFFSET); + void __iomem *status = (void __iomem *)(&usbnc->phy_status); u32 val; - phy_reg = (void __iomem *)phy_bases[port]; - phy_ctrl = (void __iomem *)(phy_reg + USBPHY_CTRL); - - val = __raw_readl(phy_ctrl); + val = readl(status); - if (val & USBPHY_CTRL_OTG_ID) + if (val & USBNC_PHYSTATUS_ID_DIG) return USB_INIT_DEVICE; else return USB_INIT_HOST; } +#endif +static void usb_oc_config(int index) +{ +#if defined(CONFIG_MX6) + struct usbnc_regs *usbnc = (struct usbnc_regs *)(USB_BASE_ADDR + + USB_OTHERREGS_OFFSET); + void __iomem *ctrl = (void __iomem *)(&usbnc->ctrl[index]); +#elif defined(CONFIG_MX7) + struct usbnc_regs *usbnc = (struct usbnc_regs *)(USB_BASE_ADDR + + (0x10000 * index) + USBNC_OFFSET); + void __iomem *ctrl = (void __iomem *)(&usbnc->ctrl1); +#endif + +#if CONFIG_MACH_TYPE == MACH_TYPE_MX6Q_ARM2 + /* mx6qarm2 seems to required a different setting*/ + clrbits_le32(ctrl, UCTRL_OVER_CUR_POL); +#else + setbits_le32(ctrl, UCTRL_OVER_CUR_POL); +#endif + +#if defined(CONFIG_MX6) + setbits_le32(ctrl, UCTRL_OVER_CUR_DIS); +#elif defined(CONFIG_MX7) + setbits_le32(ctrl, UCTRL_OVER_CUR_DIS | UCTRL_PM); +#endif +} + +/** + * board_ehci_hcd_init - override usb phy mode + * @port: usb host/otg port + * + * Target board specific, override usb_phy_mode. + * When usb-otg is used as usb host port, iomux pad usb_otg_id can be + * left disconnected in this case usb_phy_mode will not be able to identify + * the phy mode that usb port is used. + * Machine file overrides board_usb_phy_mode. + * + * Return: USB_INIT_DEVICE or USB_INIT_HOST + */ int __weak board_usb_phy_mode(int port) { return usb_phy_mode(port); } +/** + * board_ehci_hcd_init - set usb vbus voltage + * @port: usb otg port + * + * Target board specific, setup iomux pad to setup supply vbus voltage + * for usb otg port. Machine board file overrides board_ehci_hcd_init + * + * Return: 0 Success + */ int __weak board_ehci_hcd_init(int port) { return 0; } +/** + * board_ehci_power - enables/disables usb vbus voltage + * @port: usb otg port + * @on: on/off vbus voltage + * + * Enables/disables supply vbus voltage for usb otg port. + * Machine board file overrides board_ehci_power + * + * Return: 0 Success + */ int __weak board_ehci_power(int port, int on) { return 0; @@ -229,8 +327,13 @@ int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { enum usb_init_type type; +#if defined(CONFIG_MX6) + u32 controller_spacing = 0x200; +#elif defined(CONFIG_MX7) + u32 controller_spacing = 0x10000; +#endif struct usb_ehci *ehci = (struct usb_ehci *)(USB_BASE_ADDR + - (0x200 * index)); + (controller_spacing * index)); if (index > 3) return -EINVAL; @@ -242,8 +345,11 @@ int ehci_hcd_init(int index, enum usb_init_type init, usb_power_config(index); usb_oc_config(index); + +#if defined(CONFIG_MX6) usb_internal_phy_clock_gate(index, 1); usb_phy_enable(index, ehci); +#endif type = board_usb_phy_mode(index); *hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength); @@ -256,8 +362,9 @@ int ehci_hcd_init(int index, enum usb_init_type init, return -ENODEV; if (type == USB_INIT_DEVICE) return 0; + setbits_le32(&ehci->usbmode, CM_HOST); - __raw_writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc); + writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc); setbits_le32(&ehci->portsc, USB_EN); mdelay(10); diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c index 210ee9e88e..9e90e18cfe 100644 --- a/drivers/usb/host/ehci-spear.c +++ b/drivers/usb/host/ehci-spear.c @@ -14,7 +14,21 @@ #include <usb.h> #include "ehci.h" #include <asm/arch/hardware.h> +#include <asm/arch/spr_misc.h> +static void spear6xx_usbh_stop(void) +{ + struct misc_regs *const misc_p = + (struct misc_regs *)CONFIG_SPEAR_MISCBASE; + u32 periph1_rst = readl(misc_p->periph1_rst); + + periph1_rst |= PERIPH_USBH1 | PERIPH_USBH2; + writel(periph1_rst, misc_p->periph1_rst); + + udelay(1000); + periph1_rst &= ~(PERIPH_USBH1 | PERIPH_USBH2); + writel(periph1_rst, misc_p->periph1_rst); +} /* * Create the appropriate control structures to manage @@ -23,9 +37,23 @@ int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { - *hccr = (struct ehci_hccr *)(CONFIG_SYS_UHC0_EHCI_BASE + 0x100); - *hcor = (struct ehci_hcor *)((uint32_t)*hccr - + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); + u32 ehci = 0; + + switch (index) { + case 0: + ehci = CONFIG_SYS_UHC0_EHCI_BASE; + break; + case 1: + ehci = CONFIG_SYS_UHC1_EHCI_BASE; + break; + default: + printf("ERROR: wrong controller index!\n"); + break; + }; + + *hccr = (struct ehci_hccr *)(ehci + 0x100); + *hcor = (struct ehci_hcor *)((uint32_t) *hccr + + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); debug("SPEAr-ehci: init hccr %x and hcor %x hc_length %d\n", (uint32_t)*hccr, (uint32_t)*hcor, @@ -40,5 +68,9 @@ int ehci_hcd_init(int index, enum usb_init_type init, */ int ehci_hcd_stop(int index) { +#if defined(CONFIG_SPEAR600) + spear6xx_usbh_stop(); +#endif + return 0; } diff --git a/drivers/usb/host/xhci-omap.c b/drivers/usb/host/xhci-omap.c index 3a55208384..104e7a7282 100644 --- a/drivers/usb/host/xhci-omap.c +++ b/drivers/usb/host/xhci-omap.c @@ -96,4 +96,5 @@ void xhci_hcd_stop(int index) struct omap_xhci *ctx = &omap; omap_xhci_core_exit(ctx); + board_usb_cleanup(index, USB_INIT_HOST); } diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 0b09643e09..307e1a6f61 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -199,7 +199,7 @@ int xhci_reset(struct xhci_hcor *hcor) int ret; /* Halting the Host first */ - debug("// Halt the HC\n"); + debug("// Halt the HC: %p\n", hcor); state = xhci_readl(&hcor->or_usbsts) & STS_HALT; if (!state) { cmd = xhci_readl(&hcor->or_usbcmd); @@ -1064,6 +1064,8 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) struct xhci_ctrl *ctrl; int ret; + *controller = NULL; + if (xhci_hcd_init(index, &hccr, (struct xhci_hcor **)&hcor) != 0) return -ENODEV; @@ -1077,7 +1079,12 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) ret = xhci_lowlevel_init(ctrl); - *controller = &xhcic[index]; + if (ret) { + ctrl->hccr = NULL; + ctrl->hcor = NULL; + } else { + *controller = &xhcic[index]; + } return ret; } @@ -1093,9 +1100,11 @@ int usb_lowlevel_stop(int index) { struct xhci_ctrl *ctrl = (xhcic + index); - xhci_lowlevel_stop(ctrl); - xhci_hcd_stop(index); - xhci_cleanup(ctrl); + if (ctrl->hcor) { + xhci_lowlevel_stop(ctrl); + xhci_hcd_stop(index); + xhci_cleanup(ctrl); + } return 0; } |