2 * Copyright (C) 2016 Socionext Inc.
4 * SPDX-License-Identifier: GPL-2.0+
9 #include <linux/bitops.h>
13 #include "../sc64-regs.h"
14 #include "../sg-regs.h"
16 #define SDCTRL_EMMC_HW_RESET 0x59810280
18 void uniphier_ld11_clk_init(void)
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);
26 udelay(1); /* wait for regulator level 1.1V -> 2.5V */
28 writel(3, SG_ETPHYCNT);
29 writel(3, SG_ETPHYPSHUT);
30 writel(7, SG_ETPHYCNT);
33 /* TODO: use "mmc-pwrseq-emmc" */
34 writel(1, SDCTRL_EMMC_HW_RESET);
36 #ifdef CONFIG_USB_EHCI
38 /* FIXME: the current clk driver can not handle parents */
40 tmp = readl(SC_CLKCTRL4);
41 tmp |= SC_CLKCTRL4_MIO | SC_CLKCTRL4_STDMAC;
42 writel(tmp, SC_CLKCTRL4);