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authorKishon Vijay Abraham I <kishon@ti.com>2015-08-19 14:13:19 +0530
committerTom Rini <trini@konsulko.com>2015-08-28 12:33:20 -0400
commit7c379aaa0315eaaba7be959d0dc096e182bcee43 (patch)
treeb74749a0a99b5352693c1f58b8216d344e6b2b9c
parentbf0385d7f06ef8781d3bb9b645dcd9c25d212fde (diff)
board: ti: beagle_x15: added USB initializtion code
Implemented board_usb_init(), board_usb_cleanup() and usb_gadget_handle_interrupts() in beagle_x15 board file that can be invoked by various gadget drivers. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>
-rw-r--r--arch/arm/include/asm/arch-omap5/omap.h2
-rw-r--r--board/ti/beagle_x15/board.c111
2 files changed, 112 insertions, 1 deletions
diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h
index c3296412ad..0420a5edd5 100644
--- a/arch/arm/include/asm/arch-omap5/omap.h
+++ b/arch/arm/include/asm/arch-omap5/omap.h
@@ -33,7 +33,7 @@
#define CONTROL_ID_CODE CONTROL_CORE_ID_CODE
#endif
-#ifdef CONFIG_DRA7XX
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
#define DRA7_USB_OTG_SS1_BASE 0x48890000
#define DRA7_USB_OTG_SS1_GLUE_BASE 0x48880000
#define DRA7_USB3_PHY1_PLL_CTRL 0x4A084C00
diff --git a/board/ti/beagle_x15/board.c b/board/ti/beagle_x15/board.c
index c7f19c7924..bcf8cf2f5a 100644
--- a/board/ti/beagle_x15/board.c
+++ b/board/ti/beagle_x15/board.c
@@ -22,7 +22,13 @@
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sata.h>
#include <asm/arch/gpio.h>
+#include <asm/arch/omap.h>
#include <environment.h>
+#include <usb.h>
+#include <linux/usb/gadget.h>
+#include <dwc3-uboot.h>
+#include <dwc3-omap-uboot.h>
+#include <ti-usb-phy-uboot.h>
#include "mux_data.h"
@@ -309,6 +315,111 @@ int spl_start_uboot(void)
}
#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,
+ .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_HIGH,
+ .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,
+ .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) {
+ printf("port %d can't be used as device\n", index);
+ return -EINVAL;
+ } else {
+ usb_otg_ss1.dr_mode = USB_DR_MODE_HOST;
+ usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
+ setbits_le32((*prcm)->cm_l3init_usb_otg_ss1_clkctrl,
+ OTG_SS_CLKCTRL_MODULEMODE_HW |
+ OPTFCLKEN_REFCLK960M);
+ }
+
+ 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 {
+ printf("port %d can't be used as host\n", index);
+ return -EINVAL;
+ }
+
+ 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(int index)
+{
+ u32 status;
+
+ status = dwc3_omap_uboot_interrupt_status(index);
+ if (status)
+ dwc3_uboot_handle_interrupt(index);
+
+ return 0;
+}
+#endif
+
#ifdef CONFIG_DRIVER_TI_CPSW
/* Delay value to add to calibrated value */