diff options
author | Tom Rini <trini@konsulko.com> | 2019-08-10 12:21:27 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2019-08-10 12:21:27 -0400 |
commit | 31d136926b739b58eca0b12237481d666da66427 (patch) | |
tree | 728c59a8b1bc55943bc9211e3d5a20077f1136cb /drivers | |
parent | 9fd8b2c8c714b383b6768d53d7b46682fdf87013 (diff) | |
parent | 29a81142be960a07761f50ccae6cde766e3696d9 (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-usb
- DaVinci USB updates
- Various OHCI fixes
- Gadget fixes
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/fastboot/fb_getvar.c | 27 | ||||
-rw-r--r-- | drivers/phy/Kconfig | 6 | ||||
-rw-r--r-- | drivers/phy/Makefile | 1 | ||||
-rw-r--r-- | drivers/phy/phy-da8xx-usb.c | 64 | ||||
-rw-r--r-- | drivers/usb/gadget/f_dfu.c | 1 | ||||
-rw-r--r-- | drivers/usb/host/Kconfig | 7 | ||||
-rw-r--r-- | drivers/usb/host/Makefile | 1 | ||||
-rw-r--r-- | drivers/usb/host/ohci-hcd.c | 12 | ||||
-rw-r--r-- | drivers/usb/host/ohci-pci.c | 52 | ||||
-rw-r--r-- | drivers/usb/host/ohci.h | 4 | ||||
-rw-r--r-- | drivers/usb/musb-new/Kconfig | 8 | ||||
-rw-r--r-- | drivers/usb/musb-new/Makefile | 1 | ||||
-rw-r--r-- | drivers/usb/musb-new/da8xx.c | 350 |
13 files changed, 514 insertions, 20 deletions
diff --git a/drivers/fastboot/fb_getvar.c b/drivers/fastboot/fb_getvar.c index bf957e8326..ebe5c8a104 100644 --- a/drivers/fastboot/fb_getvar.c +++ b/drivers/fastboot/fb_getvar.c @@ -12,14 +12,13 @@ #include <version.h> static void getvar_version(char *var_parameter, char *response); -static void getvar_bootloader_version(char *var_parameter, char *response); +static void getvar_version_bootloader(char *var_parameter, char *response); static void getvar_downloadsize(char *var_parameter, char *response); static void getvar_serialno(char *var_parameter, char *response); static void getvar_version_baseband(char *var_parameter, char *response); static void getvar_product(char *var_parameter, char *response); static void getvar_platform(char *var_parameter, char *response); static void getvar_current_slot(char *var_parameter, char *response); -static void getvar_slot_suffixes(char *var_parameter, char *response); #if CONFIG_IS_ENABLED(FASTBOOT_FLASH) static void getvar_has_slot(char *var_parameter, char *response); #endif @@ -29,6 +28,7 @@ static void getvar_partition_type(char *part_name, char *response); #if CONFIG_IS_ENABLED(FASTBOOT_FLASH) static void getvar_partition_size(char *part_name, char *response); #endif +static void getvar_is_userspace(char *var_parameter, char *response); static const struct { const char *variable; @@ -38,11 +38,8 @@ static const struct { .variable = "version", .dispatch = getvar_version }, { - .variable = "bootloader-version", - .dispatch = getvar_bootloader_version - }, { .variable = "version-bootloader", - .dispatch = getvar_bootloader_version + .dispatch = getvar_version_bootloader }, { .variable = "downloadsize", .dispatch = getvar_downloadsize @@ -64,9 +61,6 @@ static const struct { }, { .variable = "current-slot", .dispatch = getvar_current_slot - }, { - .variable = "slot-suffixes", - .dispatch = getvar_slot_suffixes #if CONFIG_IS_ENABLED(FASTBOOT_FLASH) }, { .variable = "has-slot", @@ -82,6 +76,9 @@ static const struct { .variable = "partition-size", .dispatch = getvar_partition_size #endif + }, { + .variable = "is-userspace", + .dispatch = getvar_is_userspace } }; @@ -131,7 +128,7 @@ static void getvar_version(char *var_parameter, char *response) fastboot_okay(FASTBOOT_VERSION, response); } -static void getvar_bootloader_version(char *var_parameter, char *response) +static void getvar_version_bootloader(char *var_parameter, char *response) { fastboot_okay(U_BOOT_VERSION, response); } @@ -182,11 +179,6 @@ static void getvar_current_slot(char *var_parameter, char *response) fastboot_okay("a", response); } -static void getvar_slot_suffixes(char *var_parameter, char *response) -{ - fastboot_okay("a,b", response); -} - #if CONFIG_IS_ENABLED(FASTBOOT_FLASH) static void getvar_has_slot(char *part_name, char *response) { @@ -252,6 +244,11 @@ static void getvar_partition_size(char *part_name, char *response) } #endif +static void getvar_is_userspace(char *var_parameter, char *response) +{ + fastboot_okay("no", response); +} + /** * fastboot_getvar() - Writes variable indicated by cmd_parameter to response. * diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index 957efb3984..8209ca7323 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -84,6 +84,12 @@ config BCM6368_USBH_PHY help Support for the Broadcom MIPS BCM6368 USBH PHY. +config PHY_DA8XX_USB + tristate "TI DA8xx USB PHY Driver" + depends on PHY && ARCH_DAVINCI + help + Enable this to support the USB PHY on DA8xx SoCs. + config PIPE3_PHY bool "Support omap's PIPE3 PHY" depends on PHY && ARCH_OMAP2PLUS diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile index 90646ca55b..b9f5195e1c 100644 --- a/drivers/phy/Makefile +++ b/drivers/phy/Makefile @@ -21,3 +21,4 @@ obj-$(CONFIG_MSM8916_USB_PHY) += msm8916-usbh-phy.o obj-$(CONFIG_OMAP_USB2_PHY) += omap-usb2-phy.o obj-$(CONFIG_KEYSTONE_USB_PHY) += keystone-usb-phy.o obj-$(CONFIG_MT76X8_USB_PHY) += mt76x8-usb-phy.o +obj-$(CONFIG_PHY_DA8XX_USB) += phy-da8xx-usb.o diff --git a/drivers/phy/phy-da8xx-usb.c b/drivers/phy/phy-da8xx-usb.c new file mode 100644 index 0000000000..034b47932d --- /dev/null +++ b/drivers/phy/phy-da8xx-usb.c @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Based on the DA8xx "glue layer" code. + * Copyright (c) 2008-2019, MontaVista Software, Inc. <source@mvista.com> + * + * DT support added by: Adam Ford <aford173@gmail.com> + */ + +#include <common.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <asm/arch/hardware.h> +#include <asm/arch/da8xx-usb.h> +#include <asm/io.h> +#include <generic-phy.h> + +static int da8xx_usb_phy_power_on(struct phy *phy) +{ + unsigned long timeout; + + clrsetbits_le32(&davinci_syscfg_regs->cfgchip2, + CFGCHIP2_RESET | CFGCHIP2_PHYPWRDN | CFGCHIP2_OTGPWRDN | + CFGCHIP2_OTGMODE | CFGCHIP2_REFFREQ, + CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN | + CFGCHIP2_PHY_PLLON | CFGCHIP2_REFFREQ_24MHZ); + + /* wait until the usb phy pll locks */ + timeout = get_timer(0); + while (get_timer(timeout) < 10) { + if (readl(&davinci_syscfg_regs->cfgchip2) & CFGCHIP2_PHYCLKGD) + return 0; + } + + debug("Phy was not turned on\n"); + + return -ENODEV; +} + +static int da8xx_usb_phy_power_off(struct phy *phy) +{ + clrsetbits_le32(&davinci_syscfg_regs->cfgchip2, + CFGCHIP2_PHY_PLLON, + CFGCHIP2_PHYPWRDN | CFGCHIP2_OTGPWRDN); + + return 0; +} + +static const struct udevice_id da8xx_phy_ids[] = { + { .compatible = "ti,da830-usb-phy" }, + { } +}; + +static struct phy_ops da8xx_phy_ops = { + .power_on = da8xx_usb_phy_power_on, + .power_off = da8xx_usb_phy_power_off, +}; + +U_BOOT_DRIVER(da8xx_phy) = { + .name = "da8xx-usb-phy", + .id = UCLASS_PHY, + .of_match = da8xx_phy_ids, + .ops = &da8xx_phy_ops, +}; diff --git a/drivers/usb/gadget/f_dfu.c b/drivers/usb/gadget/f_dfu.c index 30ece524a8..e27f146605 100644 --- a/drivers/usb/gadget/f_dfu.c +++ b/drivers/usb/gadget/f_dfu.c @@ -748,6 +748,7 @@ static void dfu_unbind(struct usb_configuration *c, struct usb_function *f) if (f_dfu->function) { i = alt_num; + i++; /* free DFU Functional Descriptor */ while (i) { free(f_dfu->function[--i]); f_dfu->function[i] = NULL; diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index ac68aa2d27..42046c8062 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -236,6 +236,13 @@ config USB_OHCI_HCD based system where you're not sure, the "lspci -v" entry will list the right "prog-if" for your USB controller(s): EHCI, OHCI, or UHCI. +config USB_OHCI_PCI + bool "Support for PCI-based OHCI USB controller" + depends on DM_USB + default n + help + Enables support for the PCI-based OHCI controller. + if USB_OHCI_HCD config USB_OHCI_GENERIC diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 6aa574f6f7..dd13528475 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o obj-$(CONFIG_USB_SL811HS) += sl811-hcd.o obj-$(CONFIG_USB_OHCI_EP93XX) += ohci-ep93xx.o obj-$(CONFIG_USB_OHCI_LPC32XX) += ohci-lpc32xx.o +obj-$(CONFIG_USB_OHCI_PCI) += ohci-pci.o obj-$(CONFIG_USB_OHCI_GENERIC) += ohci-generic.o # echi diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 2b0df88f49..58aa824ec0 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -50,8 +50,9 @@ #endif #if defined(CONFIG_CPU_ARM920T) || \ - defined(CONFIG_PCI_OHCI) || \ - defined(CONFIG_SYS_OHCI_USE_NPS) + defined(CONFIG_PCI_OHCI) || \ + defined(CONFIG_DM_PCI) || \ + defined(CONFIG_SYS_OHCI_USE_NPS) # define OHCI_USE_NPS /* force NoPowerSwitching mode */ #endif @@ -64,6 +65,7 @@ #define OHCI_CONTROL_INIT \ (OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE +#if !CONFIG_IS_ENABLED(DM_USB) #ifdef CONFIG_PCI_OHCI static struct pci_device_id ohci_pci_ids[] = { {0x10b9, 0x5237}, /* ULI1575 PCI OHCI module ids */ @@ -73,6 +75,7 @@ static struct pci_device_id ohci_pci_ids[] = { {0, 0} }; #endif +#endif #ifdef CONFIG_PCI_EHCI_DEVNO static struct pci_device_id ehci_pci_ids[] = { @@ -2044,8 +2047,11 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &base); printf("OHCI regs address 0x%08x\n", base); gohci.regs = (struct ohci_regs *)base; - } else + } else { + printf("%s: OHCI devnr: %d not found\n", __func__, + CONFIG_PCI_OHCI_DEVNO); return -1; + } #else gohci.regs = (struct ohci_regs *)CONFIG_SYS_USB_OHCI_REGS_BASE; #endif diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c new file mode 100644 index 0000000000..4c1c778672 --- /dev/null +++ b/drivers/usb/host/ohci-pci.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <pci.h> +#include <usb.h> +#include <asm/io.h> + +#include "ohci.h" + +static int ohci_pci_probe(struct udevice *dev) +{ + struct ohci_regs *regs; + + regs = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, PCI_REGION_MEM); + return ohci_register(dev, regs); +} + +static int ohci_pci_remove(struct udevice *dev) +{ + return ohci_deregister(dev); +} + +static const struct udevice_id ohci_pci_ids[] = { + { .compatible = "ohci-pci" }, + { } +}; + +U_BOOT_DRIVER(ohci_pci) = { + .name = "ohci_pci", + .id = UCLASS_USB, + .probe = ohci_pci_probe, + .remove = ohci_pci_remove, + .of_match = ohci_pci_ids, + .ops = &ohci_usb_ops, + .platdata_auto_alloc_size = sizeof(struct usb_platdata), + .priv_auto_alloc_size = sizeof(ohci_t), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; + +static struct pci_device_id ohci_pci_supported[] = { + { PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_OHCI, ~0) }, + {}, +}; + +U_BOOT_PCI_DEVICE(ohci_pci, ohci_pci_supported); diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h index f9f02cb09c..9b264bd92a 100644 --- a/drivers/usb/host/ohci.h +++ b/drivers/usb/host/ohci.h @@ -14,8 +14,8 @@ #include <asm/io.h> #ifdef CONFIG_SYS_OHCI_SWAP_REG_ACCESS -# define ohci_readl(a) __swap_32(readl(a)) -# define ohci_writel(v, a) writel(__swap_32(v), a) +# define ohci_readl(a) __swap_32(in_be32((u32 *)a)) +# define ohci_writel(a, b) out_be32((u32 *)b, __swap_32(a)) #else # define ohci_readl(a) readl(a) # define ohci_writel(v, a) writel(v, a) diff --git a/drivers/usb/musb-new/Kconfig b/drivers/usb/musb-new/Kconfig index 75005ccdd1..79ad14ef66 100644 --- a/drivers/usb/musb-new/Kconfig +++ b/drivers/usb/musb-new/Kconfig @@ -18,6 +18,14 @@ config USB_MUSB_GADGET help Enables the MUSB USB dual-role controller in gadget mode. +config USB_MUSB_DA8XX + bool "Enable DA8xx MUSB Controller" + depends on DM_USB + help + Say y here to enable support for the dual role high + speed USB controller based on the Mentor Graphics + silicon IP. + config USB_MUSB_TI bool "Enable TI OTG USB controller" depends on DM_USB diff --git a/drivers/usb/musb-new/Makefile b/drivers/usb/musb-new/Makefile index 4eca0e5631..ec7852ce94 100644 --- a/drivers/usb/musb-new/Makefile +++ b/drivers/usb/musb-new/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_USB_MUSB_GADGET) += musb_gadget.o musb_gadget_ep0.o musb_core.o obj-$(CONFIG_USB_MUSB_GADGET) += musb_uboot.o obj-$(CONFIG_USB_MUSB_HOST) += musb_host.o musb_core.o musb_uboot.o obj-$(CONFIG_USB_MUSB_DSPS) += musb_dsps.o +obj-$(CONFIG_USB_MUSB_DA8XX) += da8xx.o obj-$(CONFIG_USB_MUSB_AM35X) += am35x.o obj-$(CONFIG_USB_MUSB_OMAP2PLUS) += omap2430.o obj-$(CONFIG_USB_MUSB_PIC32) += pic32.o diff --git a/drivers/usb/musb-new/da8xx.c b/drivers/usb/musb-new/da8xx.c new file mode 100644 index 0000000000..899b30db68 --- /dev/null +++ b/drivers/usb/musb-new/da8xx.c @@ -0,0 +1,350 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Texas Instruments da8xx "glue layer" + * + * Copyright (c) 2019, by Texas Instruments + * + * Based on the DA8xx "glue layer" code. + * Copyright (c) 2008-2019, MontaVista Software, Inc. <source@mvista.com> + * + * DT support + * Copyright (c) 2016 Petr Kulhavy <petr@barix.com> + * This file is part of the Inventra Controller Driver for Linux. + * + */ + +#include <common.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <asm/arch/hardware.h> +#include <asm/arch/da8xx-usb.h> +#include <linux/usb/otg.h> +#include <asm/omap_musb.h> +#include <generic-phy.h> +#include "linux-compat.h" +#include "musb_core.h" +#include "musb_uboot.h" + +/* USB 2.0 OTG module registers */ +#define DA8XX_USB_REVISION_REG 0x00 +#define DA8XX_USB_CTRL_REG 0x04 +#define DA8XX_USB_STAT_REG 0x08 +#define DA8XX_USB_EMULATION_REG 0x0c +#define DA8XX_USB_SRP_FIX_TIME_REG 0x18 +#define DA8XX_USB_INTR_SRC_REG 0x20 +#define DA8XX_USB_INTR_SRC_SET_REG 0x24 +#define DA8XX_USB_INTR_SRC_CLEAR_REG 0x28 +#define DA8XX_USB_INTR_MASK_REG 0x2c +#define DA8XX_USB_INTR_MASK_SET_REG 0x30 +#define DA8XX_USB_INTR_MASK_CLEAR_REG 0x34 +#define DA8XX_USB_INTR_SRC_MASKED_REG 0x38 +#define DA8XX_USB_END_OF_INTR_REG 0x3c +#define DA8XX_USB_GENERIC_RNDIS_EP_SIZE_REG(n) (0x50 + (((n) - 1) << 2)) + +/* Control register bits */ +#define DA8XX_SOFT_RESET_MASK 1 + +#define DA8XX_USB_TX_EP_MASK 0x1f /* EP0 + 4 Tx EPs */ +#define DA8XX_USB_RX_EP_MASK 0x1e /* 4 Rx EPs */ + +/* USB interrupt register bits */ +#define DA8XX_INTR_USB_SHIFT 16 +#define DA8XX_INTR_USB_MASK (0x1ff << DA8XX_INTR_USB_SHIFT) /* 8 Mentor */ + /* interrupts and DRVVBUS interrupt */ +#define DA8XX_INTR_DRVVBUS 0x100 +#define DA8XX_INTR_RX_SHIFT 8 +#define DA8XX_INTR_RX_MASK (DA8XX_USB_RX_EP_MASK << DA8XX_INTR_RX_SHIFT) +#define DA8XX_INTR_TX_SHIFT 0 +#define DA8XX_INTR_TX_MASK (DA8XX_USB_TX_EP_MASK << DA8XX_INTR_TX_SHIFT) + +#define DA8XX_MENTOR_CORE_OFFSET 0x400 + +static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) +{ + struct musb *musb = hci; + void __iomem *reg_base = musb->ctrl_base; + unsigned long flags; + irqreturn_t ret = IRQ_NONE; + u32 status; + + spin_lock_irqsave(&musb->lock, flags); + + /* + * NOTE: DA8XX shadows the Mentor IRQs. Don't manage them through + * the Mentor registers (except for setup), use the TI ones and EOI. + */ + + /* Acknowledge and handle non-CPPI interrupts */ + status = musb_readl(reg_base, DA8XX_USB_INTR_SRC_MASKED_REG); + if (!status) + goto eoi; + + musb_writel(reg_base, DA8XX_USB_INTR_SRC_CLEAR_REG, status); + dev_dbg(musb->controller, "USB IRQ %08x\n", status); + + musb->int_rx = (status & DA8XX_INTR_RX_MASK) >> DA8XX_INTR_RX_SHIFT; + musb->int_tx = (status & DA8XX_INTR_TX_MASK) >> DA8XX_INTR_TX_SHIFT; + musb->int_usb = (status & DA8XX_INTR_USB_MASK) >> DA8XX_INTR_USB_SHIFT; + + /* + * DRVVBUS IRQs are the only proxy we have (a very poor one!) for + * DA8xx's missing ID change IRQ. We need an ID change IRQ to + * switch appropriately between halves of the OTG state machine. + * Managing DEVCTL.Session per Mentor docs requires that we know its + * value but DEVCTL.BDevice is invalid without DEVCTL.Session set. + * Also, DRVVBUS pulses for SRP (but not at 5 V)... + */ + if (status & (DA8XX_INTR_DRVVBUS << DA8XX_INTR_USB_SHIFT)) { + int drvvbus = musb_readl(reg_base, DA8XX_USB_STAT_REG); + void __iomem *mregs = musb->mregs; + u8 devctl = musb_readb(mregs, MUSB_DEVCTL); + int err; + + err = musb->int_usb & MUSB_INTR_VBUSERROR; + if (err) { + /* + * The Mentor core doesn't debounce VBUS as needed + * to cope with device connect current spikes. This + * means it's not uncommon for bus-powered devices + * to get VBUS errors during enumeration. + * + * This is a workaround, but newer RTL from Mentor + * seems to allow a better one: "re"-starting sessions + * without waiting for VBUS to stop registering in + * devctl. + */ + musb->int_usb &= ~MUSB_INTR_VBUSERROR; + WARNING("VBUS error workaround (delay coming)\n"); + } else if (drvvbus) { + MUSB_HST_MODE(musb); + musb->port1_status |= USB_PORT_STAT_POWER; + } else if (!(musb->int_usb & MUSB_INTR_BABBLE)) { + /* + * When babble condition happens, drvvbus interrupt + * is also generated. Ignore this drvvbus interrupt + * and let babble interrupt handler recovers the + * controller; otherwise, the host-mode flag is lost + * due to the MUSB_DEV_MODE() call below and babble + * recovery logic will not be called. + */ + musb->is_active = 0; + MUSB_DEV_MODE(musb); + musb->port1_status &= ~USB_PORT_STAT_POWER; + } + ret = IRQ_HANDLED; + } + + if (musb->int_tx || musb->int_rx || musb->int_usb) + ret |= musb_interrupt(musb); +eoi: + /* EOI needs to be written for the IRQ to be re-asserted. */ + if (ret == IRQ_HANDLED || status) + musb_writel(reg_base, DA8XX_USB_END_OF_INTR_REG, 0); + + spin_unlock_irqrestore(&musb->lock, flags); + + return ret; +} + +static int da8xx_musb_init(struct musb *musb) +{ + u32 revision; + void __iomem *reg_base = musb->ctrl_base; + + int ret; + + /* reset the controller */ + writel(0x1, &da8xx_usb_regs->control); + udelay(50); + + /* Returns zero if e.g. not clocked */ + revision = readl(&da8xx_usb_regs->revision); + if (revision == 0) + return -ENODEV; + + /* Disable all interrupts */ + writel((DA8XX_USB_USBINT_MASK | DA8XX_USB_TXINT_MASK | + DA8XX_USB_RXINT_MASK), &da8xx_usb_regs->intmsk_set); + + musb->mregs += DA8XX_MENTOR_CORE_OFFSET; + + /* NOTE: IRQs are in mixed mode, not bypass to pure MUSB */ + debug("DA8xx OTG revision %08x, control %02x\n", revision, + musb_readb(reg_base, DA8XX_USB_CTRL_REG)); + + musb->isr = da8xx_musb_interrupt; + return 0; +} + +static int da8xx_musb_exit(struct musb *musb) +{ + /* flush any interrupts */ + writel((DA8XX_USB_USBINT_MASK | DA8XX_USB_TXINT_MASK | + DA8XX_USB_RXINT_MASK), &da8xx_usb_regs->intmsk_clr); + writel(0, &da8xx_usb_regs->eoi); + + return 0; +} + +/** + * da8xx_musb_enable - enable interrupts + */ +static int da8xx_musb_enable(struct musb *musb) +{ + void __iomem *reg_base = musb->ctrl_base; + u32 mask; + + /* Workaround: setup IRQs through both register sets. */ + mask = ((musb->epmask & DA8XX_USB_TX_EP_MASK) << DA8XX_INTR_TX_SHIFT) | + ((musb->epmask & DA8XX_USB_RX_EP_MASK) << DA8XX_INTR_RX_SHIFT) | + DA8XX_INTR_USB_MASK; + musb_writel(reg_base, DA8XX_USB_INTR_MASK_SET_REG, mask); + + /* Force the DRVVBUS IRQ so we can start polling for ID change. */ + musb_writel(reg_base, DA8XX_USB_INTR_SRC_SET_REG, + DA8XX_INTR_DRVVBUS << DA8XX_INTR_USB_SHIFT); + + return 0; +} + +/** + * da8xx_musb_disable - disable HDRC and flush interrupts + */ +static void da8xx_musb_disable(struct musb *musb) +{ + void __iomem *reg_base = musb->ctrl_base; + + musb_writel(reg_base, DA8XX_USB_INTR_MASK_CLEAR_REG, + DA8XX_INTR_USB_MASK | + DA8XX_INTR_TX_MASK | DA8XX_INTR_RX_MASK); + musb_writel(reg_base, DA8XX_USB_END_OF_INTR_REG, 0); +} + +void da8xx_musb_reset(struct udevice *dev) +{ + void *reg_base = dev_read_addr_ptr(dev); + + /* Reset the controller */ + musb_writel(reg_base, DA8XX_USB_CTRL_REG, DA8XX_SOFT_RESET_MASK); +} + +void da8xx_musb_clear_irq(struct udevice *dev) +{ + /* flush any interrupts */ + writel((DA8XX_USB_USBINT_MASK | DA8XX_USB_TXINT_MASK | + DA8XX_USB_RXINT_MASK), &da8xx_usb_regs->intmsk_clr); + writel(0, &da8xx_usb_regs->eoi); +} + +const struct musb_platform_ops da8xx_ops = { + .init = da8xx_musb_init, + .exit = da8xx_musb_exit, + .enable = da8xx_musb_enable, + .disable = da8xx_musb_disable, +}; + +struct da8xx_musb_platdata { + void *base; + void *ctrl_mod_base; + struct musb_hdrc_platform_data plat; + struct musb_hdrc_config musb_config; + struct omap_musb_board_data otg_board_data; + struct phy phy; +}; + +static int da8xx_musb_ofdata_to_platdata(struct udevice *dev) +{ + struct da8xx_musb_platdata *platdata = dev_get_platdata(dev); + const void *fdt = gd->fdt_blob; + int node = dev_of_offset(dev); + + platdata->base = (void *)dev_read_addr_ptr(dev); + platdata->musb_config.multipoint = 1; + platdata->musb_config.dyn_fifo = 1; + platdata->musb_config.num_eps = 5; + platdata->musb_config.ram_bits = 10; + platdata->plat.power = fdtdec_get_int(fdt, node, "power", 50); + platdata->otg_board_data.interface_type = MUSB_INTERFACE_UTMI; + platdata->plat.mode = MUSB_HOST; + platdata->otg_board_data.dev = dev; + platdata->plat.config = &platdata->musb_config; + platdata->plat.platform_ops = &da8xx_ops; + platdata->plat.board_data = &platdata->otg_board_data; + platdata->otg_board_data.clear_irq = da8xx_musb_clear_irq; + platdata->otg_board_data.reset = da8xx_musb_reset; + return 0; +} + +static int da8xx_musb_probe(struct udevice *dev) +{ + struct musb_host_data *host = dev_get_priv(dev); + struct da8xx_musb_platdata *platdata = dev_get_platdata(dev); + struct usb_bus_priv *priv = dev_get_uclass_priv(dev); + struct omap_musb_board_data *otg_board_data; + int ret; + void *base = dev_read_addr_ptr(dev); + + /* Get the phy info from the device tree */ + ret = generic_phy_get_by_name(dev, "usb-phy", &platdata->phy); + if (ret) + return ret; + + /* Initialize the phy */ + ret = generic_phy_init(&platdata->phy); + if (ret) + return ret; + + /* enable psc for usb2.0 */ + lpsc_on(33); + + /* Enable phy */ + generic_phy_power_on(&platdata->phy); + + priv->desc_before_addr = true; + otg_board_data = &platdata->otg_board_data; + + host->host = musb_init_controller(&platdata->plat, + (struct device *)otg_board_data, + platdata->base); + if (!host->host) { + ret = -ENODEV; + goto shutdown; /* Shutdown what we started */ + } + + ret = musb_lowlevel_init(host); + + if (ret == 0) + return 0; +shutdown: + /* Turn off the phy if we fail */ + generic_phy_power_off(&platdata->phy); + lpsc_disable(33); + return ret; +} + +static int da8xx_musb_remove(struct udevice *dev) +{ + struct musb_host_data *host = dev_get_priv(dev); + + musb_stop(host->host); + + return 0; +} + +static const struct udevice_id da8xx_musb_ids[] = { + { .compatible = "ti,da830-musb" }, + { } +}; + +U_BOOT_DRIVER(da8xx_musb) = { + .name = "da8xx-musb", + .id = UCLASS_USB, + .of_match = da8xx_musb_ids, + .ofdata_to_platdata = da8xx_musb_ofdata_to_platdata, + .probe = da8xx_musb_probe, + .remove = da8xx_musb_remove, + .ops = &musb_usb_ops, + .platdata_auto_alloc_size = sizeof(struct da8xx_musb_platdata), + .priv_auto_alloc_size = sizeof(struct musb_host_data), +}; |