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Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +09002/*
3 * board/renesas/salvator-x/salvator-x.c
Marek Vasut237dadd2017-05-13 15:57:53 +02004 * This file is Salvator-X/Salvator-XS board support.
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +09005 *
Marek Vasut5abb39b2017-05-13 15:57:46 +02006 * Copyright (C) 2015-2017 Renesas Electronics Corporation
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +09007 * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +09008 */
9
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090010#include <asm/io.h>
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090011#include <asm/arch/rcar-mstp.h>
Marek Vasut0b3e8452025-01-29 18:04:31 +010012#include <asm/arch/renesas.h>
13#include <init.h>
Marek Vasut5abb39b2017-05-13 15:57:46 +020014
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090015int board_early_init_f(void)
16{
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090017 return 0;
18}
19
Marek Vasut0b3e8452025-01-29 18:04:31 +010020#define HSUSB_MSTP704 BIT(4) /* HSUSB */
21
Marek Vasut32fd3ba2017-09-12 19:07:21 +020022/* HSUSB block registers */
23#define HSUSB_REG_LPSTS 0xE6590102
24#define HSUSB_REG_LPSTS_SUSPM_NORMAL BIT(14)
25#define HSUSB_REG_UGCTRL2 0xE6590184
26#define HSUSB_REG_UGCTRL2_USB0SEL 0x30
27#define HSUSB_REG_UGCTRL2_USB0SEL_EHCI 0x10
28
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090029int board_init(void)
30{
Marek Vasut4659a622017-05-13 15:57:49 +020031 /* USB1 pull-up */
32 setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN);
33
Marek Vasut32fd3ba2017-09-12 19:07:21 +020034 /* Configure the HSUSB block */
Hiroyuki Yokoyama7e172912018-09-26 16:00:09 +090035 mstp_clrbits_le32(SMSTPCR7, SMSTPCR7, HSUSB_MSTP704);
Marek Vasut32fd3ba2017-09-12 19:07:21 +020036 /* Choice USB0SEL */
37 clrsetbits_le32(HSUSB_REG_UGCTRL2, HSUSB_REG_UGCTRL2_USB0SEL,
38 HSUSB_REG_UGCTRL2_USB0SEL_EHCI);
39 /* low power status */
40 setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL);
41
Marek Vasutc9afcf62017-08-20 17:13:47 +020042 return 0;
Marek Vasut5abb39b2017-05-13 15:57:46 +020043}
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090044
Marek Vasut7dd7b492018-10-18 20:30:00 +020045#ifdef CONFIG_MULTI_DTB_FIT
46int board_fit_config_name_match(const char *name)
47{
48 /* PRR driver is not available yet */
Marek Vasut30fe98e2024-02-27 17:05:45 +010049 u32 cpu_type = renesas_get_cpu_type();
Marek Vasut7dd7b492018-10-18 20:30:00 +020050
Marek Vasutf9726612024-02-27 17:05:47 +010051 if ((cpu_type == RENESAS_CPU_TYPE_R8A7795) &&
Marek Vasutaf667542024-03-18 15:59:37 +010052 !strcmp(name, "r8a77951-salvator-x"))
Marek Vasut7dd7b492018-10-18 20:30:00 +020053 return 0;
54
Marek Vasutf9726612024-02-27 17:05:47 +010055 if ((cpu_type == RENESAS_CPU_TYPE_R8A7796) &&
Marek Vasute789aeb2024-03-17 07:23:38 +010056 !strcmp(name, "r8a77960-salvator-x"))
Marek Vasut7dd7b492018-10-18 20:30:00 +020057 return 0;
58
Marek Vasutf9726612024-02-27 17:05:47 +010059 if ((cpu_type == RENESAS_CPU_TYPE_R8A77965) &&
Marek Vasute789aeb2024-03-17 07:23:38 +010060 !strcmp(name, "r8a77965-salvator-x"))
Marek Vasut7dd7b492018-10-18 20:30:00 +020061 return 0;
62
63 return -1;
64}
65#endif