1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * board/renesas/ulcb/ulcb.c
4 * This file is ULCB board support.
5 *
6 * Copyright (C) 2017 Renesas Electronics Corporation
7 */
8
9 #include <common.h>
10 #include <image.h>
11 #include <init.h>
12 #include <malloc.h>
13 #include <netdev.h>
14 #include <dm.h>
15 #include <asm/global_data.h>
16 #include <dm/platform_data/serial_sh.h>
17 #include <asm/processor.h>
18 #include <asm/mach-types.h>
19 #include <asm/io.h>
20 #include <linux/bitops.h>
21 #include <linux/errno.h>
22 #include <asm/arch/sys_proto.h>
23 #include <asm/gpio.h>
24 #include <asm/arch/gpio.h>
25 #include <asm/arch/rmobile.h>
26 #include <asm/arch/rcar-mstp.h>
27 #include <asm/arch/sh_sdhi.h>
28 #include <i2c.h>
29 #include <mmc.h>
30
31 DECLARE_GLOBAL_DATA_PTR;
32
33 #define DVFS_MSTP926 BIT(26)
34 #define HSUSB_MSTP704 BIT(4) /* HSUSB */
35
board_early_init_f(void)36 int board_early_init_f(void)
37 {
38 #if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) && defined(CONFIG_SYS_I2C_SH)
39 /* DVFS for reset */
40 mstp_clrbits_le32(SMSTPCR9, SMSTPCR9, DVFS_MSTP926);
41 #endif
42 return 0;
43 }
44
45 /* HSUSB block registers */
46 #define HSUSB_REG_LPSTS 0xE6590102
47 #define HSUSB_REG_LPSTS_SUSPM_NORMAL BIT(14)
48 #define HSUSB_REG_UGCTRL2 0xE6590184
49 #define HSUSB_REG_UGCTRL2_USB0SEL 0x30
50 #define HSUSB_REG_UGCTRL2_USB0SEL_EHCI 0x10
51
board_init(void)52 int board_init(void)
53 {
54 /* USB1 pull-up */
55 setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN);
56
57 /* Configure the HSUSB block */
58 mstp_clrbits_le32(SMSTPCR7, SMSTPCR7, HSUSB_MSTP704);
59 /* Choice USB0SEL */
60 clrsetbits_le32(HSUSB_REG_UGCTRL2, HSUSB_REG_UGCTRL2_USB0SEL,
61 HSUSB_REG_UGCTRL2_USB0SEL_EHCI);
62 /* low power status */
63 setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL);
64
65 return 0;
66 }
67
68 #ifdef CONFIG_MULTI_DTB_FIT
board_fit_config_name_match(const char * name)69 int board_fit_config_name_match(const char *name)
70 {
71 /* PRR driver is not available yet */
72 u32 cpu_type = rmobile_get_cpu_type();
73
74 if ((cpu_type == RMOBILE_CPU_TYPE_R8A7795) &&
75 !strcmp(name, "r8a77950-ulcb-u-boot"))
76 return 0;
77
78 if ((cpu_type == RMOBILE_CPU_TYPE_R8A7796) &&
79 !strcmp(name, "r8a77960-ulcb-u-boot"))
80 return 0;
81
82 if ((cpu_type == RMOBILE_CPU_TYPE_R8A77965) &&
83 !strcmp(name, "r8a77965-ulcb-u-boot"))
84 return 0;
85
86 return -1;
87 }
88 #endif
89