Re: [U-Boot] [u-boot 36/40] board: ti: DRA7: added USB initializtion code

Hi Kishon,

Implemented board_usb_init(), board_usb_cleanup() and usb_gadget_handle_interrupts() in dra7xx board file that can be invoked by various gadget drivers.

Signed-off-by: Kishon Vijay Abraham I kishon@ti.com

arch/arm/include/asm/arch-omap5/omap.h | 12 ++++ board/ti/dra7xx/evm.c | 109 ++++++++++++++++++++++++++++++++ 2 files changed, 121 insertions(+)

diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h index e218159..e844bfb 100644 --- a/arch/arm/include/asm/arch-omap5/omap.h +++ b/arch/arm/include/asm/arch-omap5/omap.h @@ -33,6 +33,18 @@ #define CONTROL_ID_CODE CONTROL_CORE_ID_CODE #endif

+#ifdef CONFIG_DRA7XX +#define DRA7_USB_OTG_SS1_BASE 0x48890000 +#define DRA7_USB_OTG_SS1_GLUE_BASE 0x48880000 +#define DRA7_USB3_PHY1_PLL_CTRL 0x4A084C00 +#define DRA7_USB3_PHY1_POWER 0x4A002370 +#define DRA7_USB2_PHY1_POWER 0x4A002300

+#define DRA7_USB_OTG_SS2_BASE 0x488D0000 +#define DRA7_USB_OTG_SS2_GLUE_BASE 0x488C0000 +#define DRA7_USB2_PHY2_POWER 0x4A002E74 +#endif

/* To be verified */ #define OMAP5430_CONTROL_ID_CODE_ES1_0 0x0B94202F #define OMAP5430_CONTROL_ID_CODE_ES2_0 0x1B94202F diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c index 6522241..284775c 100644 --- a/board/ti/dra7xx/evm.c +++ b/board/ti/dra7xx/evm.c @@ -14,11 +14,16 @@ #include <palmas.h> #include <sata.h> #include <asm/gpio.h> +#include <usb.h> +#include <linux/usb/gadget.h> #include <asm/arch/gpio.h> #include <asm/arch/sys_proto.h> #include <asm/arch/mmc_host_def.h> #include <asm/arch/sata.h> #include <environment.h> +#include <dwc3-uboot.h> +#include <dwc3-omap-uboot.h> +#include <ti-usb-phy-uboot.h>

#include "mux_data.h"

@@ -123,6 +128,110 @@ int board_mmc_init(bd_t *bis) } #endif

+#ifdef CONFIG_USB_DWC3 +static struct dwc3_device usb_otg_ss1 = {

• .maximum_speed = USB_SPEED_SUPER,
• .base = DRA7_USB_OTG_SS1_BASE,
• .tx_fifo_resize = false,
• .index = 0,

+};

+static struct dwc3_omap_device usb_otg_ss1_glue = {

• .base = (void *)DRA7_USB_OTG_SS1_GLUE_BASE,
• .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
• .vbus_id_status = OMAP_DWC3_VBUS_VALID,
• .index = 0,

+};

+static struct ti_usb_phy_device usb_phy1_device = {

• .pll_ctrl_base = (void *)DRA7_USB3_PHY1_PLL_CTRL,
• .usb2_phy_power = (void *)DRA7_USB2_PHY1_POWER,
• .usb3_phy_power = (void *)DRA7_USB3_PHY1_POWER,
• .index = 0,

+};

+static struct dwc3_device usb_otg_ss2 = {

• .maximum_speed = USB_SPEED_SUPER,
• .base = DRA7_USB_OTG_SS2_BASE,
• .tx_fifo_resize = false,
• .index = 1,

+};

+static struct dwc3_omap_device usb_otg_ss2_glue = {

• .base = (void *)DRA7_USB_OTG_SS2_GLUE_BASE,
• .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
• .vbus_id_status = OMAP_DWC3_VBUS_VALID,
• .index = 1,

+};

+static struct ti_usb_phy_device usb_phy2_device = {

• .usb2_phy_power = (void *)DRA7_USB2_PHY2_POWER,
• .index = 1,

+};

+int board_usb_init(int index, enum usb_init_type init) +{

• switch (index) {
• case 0:

• if (init == USB_INIT_DEVICE) {
  

• 	usb_otg_ss1.dr_mode = USB_DR_MODE_PERIPHERAL;
  

• 	usb_otg_ss1_glue.vbus_id_status =
  

OMAP_DWC3_VBUS_VALID;

• } else {
  

• 	usb_otg_ss1.dr_mode = USB_DR_MODE_HOST;
  

• 	usb_otg_ss1_glue.vbus_id_status =
  

OMAP_DWC3_ID_GROUND;

• }
  

• ti_usb_phy_uboot_init(&usb_phy1_device);
  

• dwc3_omap_uboot_init(&usb_otg_ss1_glue);
  

• dwc3_uboot_init(&usb_otg_ss1);
  

• break;
  

• case 1:

• if (init == USB_INIT_DEVICE) {
  

• 	usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL;
  

• 	usb_otg_ss2_glue.vbus_id_status =
  

OMAP_DWC3_VBUS_VALID;

• } else {
  

• 	usb_otg_ss2.dr_mode = USB_DR_MODE_HOST;
  

• 	usb_otg_ss2_glue.vbus_id_status =
  

OMAP_DWC3_ID_GROUND;

• }
  

• ti_usb_phy_uboot_init(&usb_phy2_device);
  

• dwc3_omap_uboot_init(&usb_otg_ss2_glue);
  

• dwc3_uboot_init(&usb_otg_ss2);
  

• break;
  

• default:

• printf("Invalid Controller Index\n");
  

• }
• return 0;

+}

+int board_usb_cleanup(int index, enum usb_init_type init) +{

• switch (index) {
• case 0:
• case 1:

• ti_usb_phy_uboot_exit(index);
  

• dwc3_uboot_exit(index);
  

• dwc3_omap_uboot_exit(index);
  

• break;
  

• default:

• printf("Invalid Controller Index\n");
  

• }
• return 0;

+}

+int usb_gadget_handle_interrupts(void) +{

• u32 status;
• status = dwc3_omap_uboot_interrupt_status(0);
• if (status)

• dwc3_uboot_handle_interrupt(0);
  

• return 0;

+} +#endif

#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_OS_BOOT) int spl_start_uboot(void) {

Reviewed-by: Lukasz Majewski l.majewski@samsung.com