From: Tom Rini <tr...@ti.com>
Add in code to initialize the DWC3 gadget controller so that we can do
RNDIS in SPL on these platforms.
Signed-off-by: Tom Rini <tr...@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kis...@ti.com>
---
board/ti/am43xx/board.c | 39 ++++++++++++++++++++++++++++++++++---
drivers/usb/gadget/gadget_chips.h | 2 ++
include/configs/am43xx_evm.h | 9 +++++++++
scripts/Makefile.spl | 2 ++
4 files changed, 49 insertions(+), 3 deletions(-)
diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c
index 770726c..8125c9f 100644
--- a/board/ti/am43xx/board.c
+++ b/board/ti/am43xx/board.c
@@ -777,8 +777,8 @@ int usb_gadget_handle_interrupts(int index)
}
#endif
-#ifdef CONFIG_DRIVER_TI_CPSW
-
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
+ (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
static void cpsw_control(int enabled)
{
/* Additional controls can be added here */
@@ -816,7 +816,24 @@ static struct cpsw_platform_data cpsw_data = {
.host_port_num = 0,
.version = CPSW_CTRL_VERSION_2,
};
+#endif
+/*
+ * This function will:
+ * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
+ * in the environment
+ * Perform fixups to the PHY present on certain boards. We only need this
+ * function in:
+ * - SPL with either CPSW or USB ethernet support
+ * - Full U-Boot, with either CPSW or USB ethernet
+ * Build in only these cases to avoid warnings about unused variables
+ * when we build an SPL that has neither option but full U-Boot will.
+ */
+#if ((defined(CONFIG_SPL_ETH_SUPPORT) || \
+ defined(CONFIG_SPL_USBETH_SUPPORT)) && \
+ defined(CONFIG_SPL_BUILD)) || \
+ ((defined(CONFIG_DRIVER_TI_CPSW) || \
+ defined(CONFIG_USB_ETHER)) && !defined(CONFIG_SPL_BUILD))
int board_eth_init(bd_t *bis)
{
int rv;
@@ -833,12 +850,15 @@ int board_eth_init(bd_t *bis)
mac_addr[4] = mac_lo & 0xFF;
mac_addr[5] = (mac_lo & 0xFF00) >> 8;
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
+ (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
if (!getenv("ethaddr")) {
puts("<ethaddr> not set. Validating first E-fuse MAC\n");
if (is_valid_ethaddr(mac_addr))
eth_setenv_enetaddr("ethaddr", mac_addr);
}
+#ifndef CONFIG_SPL_BUILD
mac_lo = readl(&cdev->macid1l);
mac_hi = readl(&cdev->macid1h);
mac_addr[0] = mac_hi & 0xFF;
@@ -852,6 +872,7 @@ int board_eth_init(bd_t *bis)
if (is_valid_ethaddr(mac_addr))
eth_setenv_enetaddr("eth1addr", mac_addr);
}
+#endif
if (board_is_eposevm()) {
writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
@@ -873,8 +894,20 @@ int board_eth_init(bd_t *bis)
}
rv = cpsw_register(&cpsw_data);
- if (rv < 0)
+ if (rv < 0) {
printf("Error %d registering CPSW switch\n", rv);
+ return rv;
+ }
+#endif
+#if defined(CONFIG_USB_ETHER) && \
+ (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
+ if (is_valid_ethaddr(mac_addr))
+ eth_setenv_enetaddr("usbnet_devaddr", mac_addr);
+
+ rv = usb_eth_initialize(bis);
+ if (rv < 0)
+ printf("Error %d registering USB_ETHER\n", rv);
+#endif
return rv;
}
diff --git a/drivers/usb/gadget/gadget_chips.h
b/drivers/usb/gadget/gadget_chips.h
index e9811c3..9c2232e 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -231,5 +231,7 @@ static inline int usb_gadget_controller_number(struct
usb_gadget *gadget)
return 0x21;
else if (gadget_is_fotg210(gadget))
return 0x22;
+ else if (gadget_is_dwc3(gadget))
+ return 0x23;
return -ENOENT;
}
diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h
index 15fa3e3..f0040e8 100644
--- a/include/configs/am43xx_evm.h
+++ b/include/configs/am43xx_evm.h
@@ -122,12 +122,17 @@
/* USB GADGET */
#if !defined(CONFIG_SPL_BUILD) || \
(defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT))
+#undef CONFIG_ENV_IS_IN_FAT
+#define CONFIG_ENV_IS_NOWHERE
#define CONFIG_USB_DWC3_PHY_OMAP
#define CONFIG_USB_DWC3_OMAP
#define CONFIG_USB_DWC3
#define CONFIG_USB_DWC3_GADGET
#define CONFIG_USB_GADGET
+#define CONFIG_USB_ETHER
+#define CONFIG_USB_ETH_RNDIS
+#define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00"
#define CONFIG_USB_GADGET_DOWNLOAD
#define CONFIG_USB_GADGET_VBUS_DRAW 2
#define CONFIG_G_DNL_MANUFACTURER "Texas Instruments"
@@ -136,6 +141,10 @@
#define CONFIG_USB_GADGET_DUALSPEED
#endif
+#if defined(CONFIG_SPL_USBETH_SUPPORT) || defined(CONFIG_SPL_ETH_SUPPORT)
+#define CONFIG_SPL_NET_SUPPORT
+#endif
+
#ifndef CONFIG_SPL_BUILD
/* USB Device Firmware Update support */
#define CONFIG_USB_FUNCTION_DFU
diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
index b1047b5..5a7c92e 100644
--- a/scripts/Makefile.spl
+++ b/scripts/Makefile.spl
@@ -82,6 +82,8 @@ libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
libs-$(CONFIG_SPL_RAM_SUPPORT) += drivers/ram/
libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
+libs-$(CONFIG_USB_DWC3_GADGET) += drivers/usb/dwc3/
+libs-$(CONFIG_USB_DWC3_GADGET) += drivers/usb/gadget/udc/
libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
--
1.7.9.5
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
