blob: d241a65382f67a486c7d4602e771cc81ababbe84 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Socionext Inc.
*/
#include <spl.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/io.h>
#include "../init.h"
#include "../sc64-regs.h"
#include "../sg-regs.h"
#define SDCTRL_EMMC_HW_RESET 0x59810280
void uniphier_ld11_clk_init(void)
{
/* if booted from a device other than USB, without stand-by MPU */
if ((readl(sg_base + SG_PINMON0) & BIT(27)) &&
uniphier_boot_device_raw() != BOOT_DEVICE_USB) {
writel(1, sg_base + SG_ETPHYPSHUT);
writel(1, sg_base + SG_ETPHYCNT);
udelay(1); /* wait for regulator level 1.1V -> 2.5V */
writel(3, sg_base + SG_ETPHYCNT);
writel(3, sg_base + SG_ETPHYPSHUT);
writel(7, sg_base + SG_ETPHYCNT);
}
/* TODO: use "mmc-pwrseq-emmc" */
writel(1, SDCTRL_EMMC_HW_RESET);
#ifdef CONFIG_USB_EHCI_HCD
{
int ch;
for (ch = 0; ch < 3; ch++) {
void __iomem *phyctrl = sg_base + SG_USBPHYCTRL;
writel(0x82280600, phyctrl + 8 * ch);
writel(0x00000106, phyctrl + 8 * ch + 4);
}
}
#endif
}