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/*
* Copyright (C) 2016 Socionext Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
#include <linux/bitops.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_PINMON0) & BIT(27)) &&
uniphier_boot_device_raw() != BOOT_DEVICE_USB) {
writel(1, SG_ETPHYPSHUT);
writel(1, SG_ETPHYCNT);
udelay(1); /* wait for regulator level 1.1V -> 2.5V */
writel(3, SG_ETPHYCNT);
writel(3, SG_ETPHYPSHUT);
writel(7, SG_ETPHYCNT);
}
/* TODO: use "mmc-pwrseq-emmc" */
writel(1, SDCTRL_EMMC_HW_RESET);
#ifdef CONFIG_USB_EHCI_HCD
{
/* FIXME: the current clk driver can not handle parents */
u32 tmp;
int ch;
tmp = readl(SC_CLKCTRL4);
tmp |= BIT(10) | BIT(8); /* MIO, STDMAC */
writel(tmp, SC_CLKCTRL4);
for (ch = 0; ch < 3; ch++) {
void __iomem *phyctrl = (void __iomem *)SG_USBPHYCTRL;
writel(0x82280600, phyctrl + 8 * ch);
writel(0x00000106, phyctrl + 8 * ch + 4);
}
}
#endif
}
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