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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
10#include <common.h>
Simon Glassafb02152019-12-28 10:45:01 -070011#include <cpu_func.h>
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090012#include <malloc.h>
13#include <netdev.h>
14#include <dm.h>
15#include <dm/platform_data/serial_sh.h>
16#include <asm/processor.h>
17#include <asm/mach-types.h>
18#include <asm/io.h>
Masahiro Yamada56a931c2016-09-21 11:28:55 +090019#include <linux/errno.h>
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090020#include <asm/arch/sys_proto.h>
21#include <asm/gpio.h>
22#include <asm/arch/gpio.h>
23#include <asm/arch/rmobile.h>
24#include <asm/arch/rcar-mstp.h>
Marek Vasut5abb39b2017-05-13 15:57:46 +020025#include <asm/arch/sh_sdhi.h>
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090026#include <i2c.h>
27#include <mmc.h>
28
29DECLARE_GLOBAL_DATA_PTR;
30
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090031void s_init(void)
32{
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090033}
34
Marek Vasutc16ed0b2017-05-13 15:57:48 +020035#define DVFS_MSTP926 BIT(26)
Marek Vasut32fd3ba2017-09-12 19:07:21 +020036#define HSUSB_MSTP704 BIT(4) /* HSUSB */
Marek Vasut5abb39b2017-05-13 15:57:46 +020037
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090038int board_early_init_f(void)
39{
Marek Vasutc16ed0b2017-05-13 15:57:48 +020040#if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
41 /* DVFS for reset */
Hiroyuki Yokoyama7e172912018-09-26 16:00:09 +090042 mstp_clrbits_le32(SMSTPCR9, SMSTPCR9, DVFS_MSTP926);
Marek Vasutc16ed0b2017-05-13 15:57:48 +020043#endif
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090044 return 0;
45}
46
Marek Vasut32fd3ba2017-09-12 19:07:21 +020047/* HSUSB block registers */
48#define HSUSB_REG_LPSTS 0xE6590102
49#define HSUSB_REG_LPSTS_SUSPM_NORMAL BIT(14)
50#define HSUSB_REG_UGCTRL2 0xE6590184
51#define HSUSB_REG_UGCTRL2_USB0SEL 0x30
52#define HSUSB_REG_UGCTRL2_USB0SEL_EHCI 0x10
53
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090054int board_init(void)
55{
56 /* adress of boot parameters */
57 gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
58
Marek Vasut4659a622017-05-13 15:57:49 +020059 /* USB1 pull-up */
60 setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN);
61
Marek Vasut32fd3ba2017-09-12 19:07:21 +020062 /* Configure the HSUSB block */
Hiroyuki Yokoyama7e172912018-09-26 16:00:09 +090063 mstp_clrbits_le32(SMSTPCR7, SMSTPCR7, HSUSB_MSTP704);
Marek Vasut32fd3ba2017-09-12 19:07:21 +020064 /* Choice USB0SEL */
65 clrsetbits_le32(HSUSB_REG_UGCTRL2, HSUSB_REG_UGCTRL2_USB0SEL,
66 HSUSB_REG_UGCTRL2_USB0SEL_EHCI);
67 /* low power status */
68 setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL);
69
Marek Vasutc9afcf62017-08-20 17:13:47 +020070 return 0;
Marek Vasut5abb39b2017-05-13 15:57:46 +020071}
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090072
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090073#define RST_BASE 0xE6160000
74#define RST_CA57RESCNT (RST_BASE + 0x40)
75#define RST_CA53RESCNT (RST_BASE + 0x44)
76#define RST_RSTOUTCR (RST_BASE + 0x58)
77#define RST_CODE 0xA5A5000F
78
79void reset_cpu(ulong addr)
80{
Marek Vasutc16ed0b2017-05-13 15:57:48 +020081#if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
82 i2c_reg_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x20, 0x80);
83#else
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090084 /* only CA57 ? */
85 writel(RST_CODE, RST_CA57RESCNT);
Marek Vasutc16ed0b2017-05-13 15:57:48 +020086#endif
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090087}
Marek Vasut7dd7b492018-10-18 20:30:00 +020088
89#ifdef CONFIG_MULTI_DTB_FIT
90int board_fit_config_name_match(const char *name)
91{
92 /* PRR driver is not available yet */
93 u32 cpu_type = rmobile_get_cpu_type();
94
95 if ((cpu_type == RMOBILE_CPU_TYPE_R8A7795) &&
Marek Vasutadaa0162020-04-04 16:12:48 +020096 !strcmp(name, "r8a77950-salvator-x-u-boot"))
Marek Vasut7dd7b492018-10-18 20:30:00 +020097 return 0;
98
99 if ((cpu_type == RMOBILE_CPU_TYPE_R8A7796) &&
Marek Vasutadaa0162020-04-04 16:12:48 +0200100 !strcmp(name, "r8a77960-salvator-x-u-boot"))
Marek Vasut7dd7b492018-10-18 20:30:00 +0200101 return 0;
102
103 if ((cpu_type == RMOBILE_CPU_TYPE_R8A77965) &&
104 !strcmp(name, "r8a77965-salvator-x-u-boot"))
105 return 0;
106
107 return -1;
108}
109#endif