Add and enable the USB OTG clocks.
Signed-off-by: Dan Murphy dmurphy@ti.com --- arch/arm/cpu/armv7/omap5/hw_data.c | 14 ++++++++++++++ arch/arm/cpu/armv7/omap5/prcm-regs.c | 1 + arch/arm/include/asm/arch-omap5/clock.h | 4 ++++ arch/arm/include/asm/omap_common.h | 1 + common/cmd_usb.c | 6 +++++- include/configs/omap5_common.h | 9 +++++++++ 6 files changed, 34 insertions(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index 56cf1f8..7b88338 100644 --- a/arch/arm/cpu/armv7/omap5/hw_data.c +++ b/arch/arm/cpu/armv7/omap5/hw_data.c @@ -456,6 +456,20 @@ void enable_basic_clocks(void) OPTFCLKEN_SCRM_PER_MASK); setbits_le32((*prcm)->cm_wkupaon_scrm_clkctrl, OPTFCLKEN_SCRM_CORE_MASK); + +/* TODO wrap this with USB defines */ + /* Setting OCP2SCP1 register */ + setbits_le32((*prcm)->cm_l3init_ocp2scp1_clkctrl, + MODULE_CLKCTRL_MODULEMODE_HW_AUTO); + + /* Select USB OTG SS clock */ + setbits_le32((*prcm)->cm_l3init_usb_otg_ss_clkctrl, + (MODULE_CLKCTRL_MODULEMODE_HW_AUTO | + OPTFCLKEN_USB_OTG_SS_FCLK_MASK)); + + /* Setting l3init register */ + setbits_le32((*prcm)->cm_l3init_clkstctrl, OPTFCLKEN_USB_OTG_SS_FCLK_MASK); + }
void enable_basic_uboot_clocks(void) diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c index e839ff5..f90da58 100644 --- a/arch/arm/cpu/armv7/omap5/prcm-regs.c +++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c @@ -718,6 +718,7 @@ struct prcm_regs const omap5_es2_prcm = { .cm_l3init_p1500_clkctrl = 0x4a009678, .cm_l3init_fsusb_clkctrl = 0x4a0096d0, .cm_l3init_ocp2scp1_clkctrl = 0x4a0096e0, + .cm_l3init_usb_otg_ss_clkctrl = 0x4a0096f0,
/* prm irqstatus regs */ .prm_irqstatus_mpu_2 = 0x4ae06014, diff --git a/arch/arm/include/asm/arch-omap5/clock.h b/arch/arm/include/asm/arch-omap5/clock.h index 4d2765d..24ef2bc 100644 --- a/arch/arm/include/asm/arch-omap5/clock.h +++ b/arch/arm/include/asm/arch-omap5/clock.h @@ -165,6 +165,10 @@ /* CM_L3INIT_USBPHY_CLKCTRL */ #define USBPHY_CLKCTRL_OPTFCLKEN_PHY_48M_MASK 8
+/* CM_L3INIT_USB_OTG_SS_CLKCTRL */ +#define OPTFCLKEN_USB_OTG_SS_FCLK_SHIFT 8 +#define OPTFCLKEN_USB_OTG_SS_FCLK_MASK (1 << 8) + /* CM_MPU_MPU_CLKCTRL */ #define MPU_CLKCTRL_CLKSEL_EMIF_DIV_MODE_SHIFT 24 #define MPU_CLKCTRL_CLKSEL_EMIF_DIV_MODE_MASK (3 << 24) diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h index 0dbe81b..11cc870 100644 --- a/arch/arm/include/asm/omap_common.h +++ b/arch/arm/include/asm/omap_common.h @@ -241,6 +241,7 @@ struct prcm_regs { u32 cm_l3init_p1500_clkctrl; u32 cm_l3init_fsusb_clkctrl; u32 cm_l3init_ocp2scp1_clkctrl; + u32 cm_l3init_usb_otg_ss_clkctrl;
u32 prm_irqstatus_mpu_2;
diff --git a/common/cmd_usb.c b/common/cmd_usb.c index 70e803b..816fb23 100644 --- a/common/cmd_usb.c +++ b/common/cmd_usb.c @@ -31,6 +31,7 @@ #include <asm/unaligned.h> #include <part.h> #include <usb.h> +#include <linux/usb/usb-compat.h>
#ifdef CONFIG_USB_STORAGE static int usb_stor_curr_dev = -1; /* current device */ @@ -160,6 +161,7 @@ static void usb_display_string(struct usb_device *dev, int index)
static void usb_display_desc(struct usb_device *dev) { +#if 0 if (dev->descriptor.bDescriptorType == USB_DT_DEVICE) { printf("%d: %s, USB Revision %x.%x\n", dev->devnum, usb_get_class_desc(dev->config.if_desc[0].desc.bInterfaceClass), @@ -189,7 +191,7 @@ static void usb_display_desc(struct usb_device *dev) (dev->descriptor.bcdDevice>>8) & 0xff, dev->descriptor.bcdDevice & 0xff); } - +#endif }
static void usb_display_conf_desc(struct usb_config_descriptor *config, @@ -350,10 +352,12 @@ static void usb_show_tree_graph(struct usb_device *dev, char *pre) pre[index++] = ' '; pre[index++] = has_child ? '|' : ' '; pre[index] = 0; +#if 0 printf(" %s (%s, %dmA)\n", usb_get_class_desc( dev->config.if_desc[0].desc.bInterfaceClass), portspeed(dev->speed), dev->config.desc.bMaxPower * 2); +#endif if (strlen(dev->mf) || strlen(dev->prod) || strlen(dev->serial)) printf(" %s %s %s %s\n", pre, dev->mf, dev->prod, dev->serial); printf(" %s\n", pre); diff --git a/include/configs/omap5_common.h b/include/configs/omap5_common.h index b87ee42..1df553e 100644 --- a/include/configs/omap5_common.h +++ b/include/configs/omap5_common.h @@ -96,6 +96,15 @@
#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+/* USB */ +#define CONFIG_CMD_USB +#define CONFIG_USB_STORAGE +#define CONFIG_USB_DWC3 +#define CONFIG_USB_DWC3_GADGET +#define CONFIG_USB_DWC3_DUAL_ROLE +#define CONFIG_USB_DWC3_OMAP +#define CONFIG_USB_DWC3_HOST + /* Flash */ #define CONFIG_SYS_NO_FLASH