1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * Copyright (C) 2016 Socionext Inc. 4 */ 5 6#include <spl.h> 7#include <linux/bitops.h> 8#include <linux/delay.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 17void uniphier_ld11_clk_init(void) 18{ 19 /* if booted from a device other than USB, without stand-by MPU */ 20 if ((readl(sg_base + SG_PINMON0) & BIT(27)) && 21 uniphier_boot_device_raw() != BOOT_DEVICE_USB) { 22 writel(1, sg_base + SG_ETPHYPSHUT); 23 writel(1, sg_base + SG_ETPHYCNT); 24 25 udelay(1); /* wait for regulator level 1.1V -> 2.5V */ 26 27 writel(3, sg_base + SG_ETPHYCNT); 28 writel(3, sg_base + SG_ETPHYPSHUT); 29 writel(7, sg_base + 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 = sg_base + SG_USBPHYCTRL; 41 42 writel(0x82280600, phyctrl + 8 * ch); 43 writel(0x00000106, phyctrl + 8 * ch + 4); 44 } 45 } 46#endif 47} 48