[U-Boot] [UBOOT RFC PATCH 10/13] board: ti: DRA7: added USB initializtion code

Kishon Vijay Abraham I
2014-08-18T14:28:32Z

Implemented board_usb_init(), board_usb_cleanup() and
board_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 | 106 +++++++++++++++++++++++++++++++++
2 files changed, 118 insertions(+)

diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h
index b9600cf..a2348a2 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 073d151..0d1b93f 100644
--- a/board/ti/dra7xx/evm.c
+++ b/board/ti/dra7xx/evm.c
@@ -13,10 +13,14 @@
#include <common.h>
#include <palmas.h>
#include <sata.h>
+#include <usb.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"

@@ -125,6 +129,108 @@ int board_mmc_init(bd_t *bis)
}
#endif

+static struct dwc3_device usb_otg_ss1 = {
+ .maximum_speed = USB_SPEED_SUPER,
+ .base = DRA7_USB_OTG_SS1_BASE,
+ .needs_fifo_resize = true,
+};
+
+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,
+};
+
+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,
+};
+
+static struct dwc3_device usb_otg_ss2 = {
+ .maximum_speed = USB_SPEED_SUPER,
+ .base = DRA7_USB_OTG_SS2_BASE,
+ .needs_fifo_resize = true,
+};
+
+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,
+};
+
+static struct ti_usb_phy_device usb_phy2_device = {
+ .usb2_phy_power = (void *) DRA7_USB2_PHY2_POWER,
+};
+
+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 board_usb_gadget_handle_interrupts(int index)
+{
+ u32 status;
+ switch (index) {
+ case 0:
+ case 1:
+ status = dwc3_omap_uboot_interrupt_status(index);
+ if (status)
+ dwc3_uboot_handle_interrupt(index);
+ break;
+ default:
+ printf("Invalid Controller Index\n");
+ }
+
+ return 0;
+}
+
#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_OS_BOOT)
int spl_start_uboot(void)
{
--
1.9.1