1 /*
2  * Copyright (C) 2016 Socionext Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <spl.h>
9 #include <linux/bitops.h>
10 #include <linux/io.h>
11 
12 #include "../boot-mode/boot-device.h"
13 #include "../init.h"
14 #include "../sc64-regs.h"
15 #include "../sg-regs.h"
16 
17 void uniphier_ld11_clk_init(void)
18 {
19 	/* if booted from a device other than USB, without stand-by MPU */
20 	if ((readl(SG_PINMON0) & BIT(27)) &&
21 	    spl_boot_device_raw() != BOOT_DEVICE_USB) {
22 		writel(1, SG_ETPHYPSHUT);
23 		writel(1, SG_ETPHYCNT);
24 
25 		udelay(1); /* wait for regulator level 1.1V -> 2.5V */
26 
27 		writel(3, SG_ETPHYCNT);
28 		writel(3, SG_ETPHYPSHUT);
29 		writel(7, SG_ETPHYCNT);
30 	}
31 
32 #ifdef CONFIG_USB_EHCI
33 	{
34 		/* FIXME: the current clk driver can not handle parents */
35 		u32 tmp;
36 		tmp = readl(SC_CLKCTRL4);
37 		tmp |= SC_CLKCTRL4_MIO | SC_CLKCTRL4_STDMAC;
38 		writel(tmp, SC_CLKCTRL4);
39 	}
40 #endif
41 }
42