1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2016 Socionext Inc.
4  */
5 
6 #include <common.h>
7 #include <spl.h>
8 #include <linux/bitops.h>
9 #include <linux/io.h>
10 
11 #include "../init.h"
12 #include "../sc64-regs.h"
13 #include "../sg-regs.h"
14 
15 #define SDCTRL_EMMC_HW_RESET	0x59810280
16 
uniphier_ld11_clk_init(void)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 	    uniphier_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 	/* TODO: use "mmc-pwrseq-emmc" */
33 	writel(1, SDCTRL_EMMC_HW_RESET);
34 
35 #ifdef CONFIG_USB_EHCI_HCD
36 	{
37 		int ch;
38 
39 		for (ch = 0; ch < 3; ch++) {
40 			void __iomem *phyctrl = (void __iomem *)SG_USBPHYCTRL;
41 
42 			writel(0x82280600, phyctrl + 8 * ch);
43 			writel(0x00000106, phyctrl + 8 * ch + 4);
44 		}
45 	}
46 #endif
47 }
48