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 "../init.h"
13 #include "../sc64-regs.h"
14 #include "../sg-regs.h"
15 
16 #define SDCTRL_EMMC_HW_RESET	0x59810280
17 
18 void uniphier_ld11_clk_init(void)
19 {
20 	/* if booted from a device other than USB, without stand-by MPU */
21 	if ((readl(SG_PINMON0) & BIT(27)) &&
22 	    uniphier_boot_device_raw() != BOOT_DEVICE_USB) {
23 		writel(1, SG_ETPHYPSHUT);
24 		writel(1, SG_ETPHYCNT);
25 
26 		udelay(1); /* wait for regulator level 1.1V -> 2.5V */
27 
28 		writel(3, SG_ETPHYCNT);
29 		writel(3, SG_ETPHYPSHUT);
30 		writel(7, SG_ETPHYCNT);
31 	}
32 
33 	/* TODO: use "mmc-pwrseq-emmc" */
34 	writel(1, SDCTRL_EMMC_HW_RESET);
35 
36 #ifdef CONFIG_USB_EHCI
37 	{
38 		/* FIXME: the current clk driver can not handle parents */
39 		u32 tmp;
40 		tmp = readl(SC_CLKCTRL4);
41 		tmp |= SC_CLKCTRL4_MIO | SC_CLKCTRL4_STDMAC;
42 		writel(tmp, SC_CLKCTRL4);
43 	}
44 #endif
45 }
46