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poplar: add DWC2 OTG gadget support

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It enables DWC2 OTG gadget driver support for Poplar board.  As
usb2_phy_init() is being always called from board_init(), we can save
the call from board_usb_init().

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo 2018-12-18 17:52:06 +08:00 committed by Tom Rini
parent 596be5f327
commit e7ab6dfc65
2 changed files with 33 additions and 0 deletions
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5
arch/arm/include/asm/arch-hi3798cv200/hi3798cv200.h
View File

@ -13,11 +13,16 @@
/* DEVICES */
#define REG_BASE_MCI 0xF9830000
#define REG_BASE_UART0 0xF8B00000
#define HIOTG_BASE_ADDR 0xF98C0000
/* PERI control registers (4KB) */
/* USB2 PHY01 configuration register */
#define PERI_CTRL_USB0 (REG_BASE_PERI_CTRL + 0x120)
/* USB2 controller configuration register */
#define PERI_CTRL_USB3 (REG_BASE_PERI_CTRL + 0x12c)
#define USB2_2P_CHIPID (1 << 28)
/* PERI CRG registers (4KB) */
/* USB2 CTRL0 clock and soft reset */
#define PERI_CRG46 (REG_BASE_CRG + 0xb8)

28
board/hisilicon/poplar/poplar.c
View File

@ -166,6 +166,34 @@ int board_mmc_init(bd_t *bis)
return ret;
}
#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
#include <usb.h>
#include <usb/dwc2_udc.h>
#include <g_dnl.h>
static struct dwc2_plat_otg_data poplar_otg_data = {
.regs_otg = HIOTG_BASE_ADDR
};
static void set_usb_to_device(void)
{
setbits_le32(PERI_CTRL_USB3, USB2_2P_CHIPID);
}
int board_usb_init(int index, enum usb_init_type init)
{
set_usb_to_device();
return dwc2_udc_probe(&poplar_otg_data);
}
int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
{
if (!env_get("serial#"))
g_dnl_set_serialnumber("0123456789POPLAR");
return 0;
}
#endif
int board_init(void)
{
usb2_phy_init();