blob: 36aa7879846ef0c0b08bf6268f71ec6cb8cab69e [file] [log] [blame]
Masahiro Yamada667dbcd2016-05-24 21:14:01 +09001/*
2 * Copyright (C) 2016 Socionext Inc.
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#include <common.h>
Masahiro Yamada9c5313d2016-10-27 23:47:06 +09008#include <spl.h>
Masahiro Yamada667dbcd2016-05-24 21:14:01 +09009#include <linux/bitops.h>
10#include <linux/io.h>
11
12#include "../init.h"
Masahiro Yamada76466bd2016-10-27 23:47:05 +090013#include "../sc64-regs.h"
Masahiro Yamada667dbcd2016-05-24 21:14:01 +090014#include "../sg-regs.h"
15
Masahiro Yamadac21f5852017-02-17 16:17:22 +090016#define SDCTRL_EMMC_HW_RESET 0x59810280
17
Masahiro Yamada667dbcd2016-05-24 21:14:01 +090018void uniphier_ld11_clk_init(void)
19{
Masahiro Yamada9c5313d2016-10-27 23:47:06 +090020 /* if booted from a device other than USB, without stand-by MPU */
21 if ((readl(SG_PINMON0) & BIT(27)) &&
Masahiro Yamada784548e2017-02-14 01:24:26 +090022 uniphier_boot_device_raw() != BOOT_DEVICE_USB) {
Masahiro Yamada667dbcd2016-05-24 21:14:01 +090023 writel(1, SG_ETPHYPSHUT);
24 writel(1, SG_ETPHYCNT);
25
26 udelay(1); /* wait for regulator level 1.1V -> 2.5V */
27
28 writel(3, SG_ETPHYCNT);
29 writel(3, SG_ETPHYPSHUT);
30 writel(7, SG_ETPHYCNT);
31 }
Masahiro Yamada76466bd2016-10-27 23:47:05 +090032
Masahiro Yamadac21f5852017-02-17 16:17:22 +090033 /* TODO: use "mmc-pwrseq-emmc" */
34 writel(1, SDCTRL_EMMC_HW_RESET);
35
Masahiro Yamada76466bd2016-10-27 23:47:05 +090036#ifdef CONFIG_USB_EHCI
37 {
38 /* FIXME: the current clk driver can not handle parents */
39 u32 tmp;
Masahiro Yamada395e2142017-04-14 11:30:05 +090040 int ch;
41
Masahiro Yamada76466bd2016-10-27 23:47:05 +090042 tmp = readl(SC_CLKCTRL4);
43 tmp |= SC_CLKCTRL4_MIO | SC_CLKCTRL4_STDMAC;
44 writel(tmp, SC_CLKCTRL4);
Masahiro Yamada395e2142017-04-14 11:30:05 +090045
46 for (ch = 0; ch < 3; ch++) {
47 void __iomem *phyctrl = (void __iomem *)SG_USBPHYCTRL;
48
49 writel(0x82280600, phyctrl + 8 * ch);
50 writel(0x00000106, phyctrl + 8 * ch + 4);
51 }
Masahiro Yamada76466bd2016-10-27 23:47:05 +090052 }
53#endif
Masahiro Yamada667dbcd2016-05-24 21:14:01 +090054}