1 /*
2  * (C) Copyright 2009
3  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef __SYS_PROTO_IMX6_
9 #define __SYS_PROTO_IMX6_
10 
11 #include <asm/mach-imx/sys_proto.h>
12 #include <asm/arch/iomux.h>
13 
14 #define USBPHY_PWD		0x00000000
15 
16 #define USBPHY_PWD_RXPWDRX	(1 << 20) /* receiver block power down */
17 
18 #define is_usbotg_phy_active(void) (!(readl(USB_PHY0_BASE_ADDR + USBPHY_PWD) & \
19 				   USBPHY_PWD_RXPWDRX))
20 
21 int imx6_pcie_toggle_power(void);
22 int imx6_pcie_toggle_reset(void);
23 
24 /**
25  * iomuxc_set_rgmii_io_voltage - set voltage level of RGMII/USB pins
26  *
27  * @param io_vol - the voltage IO level of pins
28  */
29 static inline void iomuxc_set_rgmii_io_voltage(int io_vol)
30 {
31 	__raw_writel(io_vol, IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE_RGMII);
32 }
33 
34 #endif /* __SYS_PROTO_IMX6_ */
35