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Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +09001/*
2 * board/renesas/salvator-x/salvator-x.c
3 * This file is Salvator-X board support.
4 *
Marek Vasut5abb39b2017-05-13 15:57:46 +02005 * Copyright (C) 2015-2017 Renesas Electronics Corporation
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +09006 * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
7 *
8 * SPDX-License-Identifier: GPL-2.0+
9 */
10
11#include <common.h>
12#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
31#define CPGWPCR 0xE6150904
32#define CPGWPR 0xE615090C
33
34#define CLK2MHZ(clk) (clk / 1000 / 1000)
35void s_init(void)
36{
37 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
38 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
39
40 /* Watchdog init */
41 writel(0xA5A5A500, &rwdt->rwtcsra);
42 writel(0xA5A5A500, &swdt->swtcsra);
43
44 writel(0xA5A50000, CPGWPCR);
45 writel(0xFFFFFFFF, CPGWPR);
46}
47
Marek Vasut3614d302017-05-13 15:57:41 +020048#define GSX_MSTP112 BIT(12) /* 3DG */
49#define TMU0_MSTP125 BIT(25) /* secure */
50#define TMU1_MSTP124 BIT(24) /* non-secure */
51#define SCIF2_MSTP310 BIT(10) /* SCIF2 */
Marek Vasut51e80062017-05-13 15:57:47 +020052#define ETHERAVB_MSTP812 BIT(12)
Marek Vasut5abb39b2017-05-13 15:57:46 +020053#define SD0_MSTP314 BIT(14)
54#define SD1_MSTP313 BIT(13)
55#define SD2_MSTP312 BIT(12) /* either MMC0 */
56#define SD3_MSTP311 BIT(11) /* either MMC1 */
57
58#define SD0CKCR 0xE6150074
59#define SD1CKCR 0xE6150078
60#define SD2CKCR 0xE6150268
61#define SD3CKCR 0xE615026C
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090062
63int board_early_init_f(void)
64{
65 /* TMU0,1 */ /* which use ? */
66 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125 | TMU1_MSTP124);
67 /* SCIF2 */
68 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SCIF2_MSTP310);
Marek Vasut51e80062017-05-13 15:57:47 +020069 /* EHTERAVB */
70 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHERAVB_MSTP812);
Marek Vasut5abb39b2017-05-13 15:57:46 +020071 /* eMMC */
72 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD1_MSTP313 | SD2_MSTP312);
73 /* SDHI0, 3 */
74 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD0_MSTP314 | SD3_MSTP311);
75
76 writel(0, SD0CKCR);
77 writel(0, SD1CKCR);
78 writel(0, SD2CKCR);
79 writel(0, SD3CKCR);
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090080
81 return 0;
82}
83
84/* SYSC */
85/* R/- 32 Power status register 2(3DG) */
86#define SYSC_PWRSR2 0xE6180100
87/* -/W 32 Power resume control register 2 (3DG) */
88#define SYSC_PWRONCR2 0xE618010C
89
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +090090int board_init(void)
91{
92 /* adress of boot parameters */
93 gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
94
95 /* Init PFC controller */
96 r8a7795_pinmux_init();
97
98 /* GSX: force power and clock supply */
99 writel(0x0000001F, SYSC_PWRONCR2);
100 while (readl(SYSC_PWRSR2) != 0x000003E0)
101 mdelay(20);
102
103 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, GSX_MSTP112);
104
Marek Vasut51e80062017-05-13 15:57:47 +0200105#ifdef CONFIG_RAVB
106 /* EtherAVB Enable */
107 /* GPSR2 */
108 gpio_request(GPIO_GFN_AVB_AVTP_CAPTURE_A, NULL);
109 gpio_request(GPIO_GFN_AVB_AVTP_MATCH_A, NULL);
110 gpio_request(GPIO_GFN_AVB_LINK, NULL);
111 gpio_request(GPIO_GFN_AVB_PHY_INT, NULL);
112 gpio_request(GPIO_GFN_AVB_MAGIC, NULL);
113 gpio_request(GPIO_GFN_AVB_MDC, NULL);
114
115 /* IPSR0 */
116 gpio_request(GPIO_IFN_AVB_MDC, NULL);
117 gpio_request(GPIO_IFN_AVB_MAGIC, NULL);
118 gpio_request(GPIO_IFN_AVB_PHY_INT, NULL);
119 gpio_request(GPIO_IFN_AVB_LINK, NULL);
120 gpio_request(GPIO_IFN_AVB_AVTP_MATCH_A, NULL);
121 gpio_request(GPIO_IFN_AVB_AVTP_CAPTURE_A, NULL);
122 /* IPSR1 */
123 gpio_request(GPIO_FN_AVB_AVTP_PPS, NULL);
124 /* IPSR2 */
125 gpio_request(GPIO_FN_AVB_AVTP_MATCH_B, NULL);
126 /* IPSR3 */
127 gpio_request(GPIO_FN_AVB_AVTP_CAPTURE_B, NULL);
128
129 /* AVB_PHY_RST */
130 gpio_request(GPIO_GP_2_10, NULL);
131 gpio_direction_output(GPIO_GP_2_10, 0);
132 mdelay(20);
133 gpio_set_value(GPIO_GP_2_10, 1);
134 udelay(1);
135#endif
136
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +0900137 return 0;
138}
Marek Vasut5abb39b2017-05-13 15:57:46 +0200139
Marek Vasut51e80062017-05-13 15:57:47 +0200140static struct eth_pdata salvator_x_ravb_platdata = {
141 .iobase = 0xE6800000,
142 .phy_interface = 0,
143 .max_speed = 1000,
144};
145
146U_BOOT_DEVICE(salvator_x_ravb) = {
147 .name = "ravb",
148 .platdata = &salvator_x_ravb_platdata,
149};
150
Marek Vasut5abb39b2017-05-13 15:57:46 +0200151#ifdef CONFIG_SH_SDHI
152int board_mmc_init(bd_t *bis)
153{
154 int ret = -ENODEV;
155
156 /* SDHI0 */
157 gpio_request(GPIO_GFN_SD0_DAT0, NULL);
158 gpio_request(GPIO_GFN_SD0_DAT1, NULL);
159 gpio_request(GPIO_GFN_SD0_DAT2, NULL);
160 gpio_request(GPIO_GFN_SD0_DAT3, NULL);
161 gpio_request(GPIO_GFN_SD0_CLK, NULL);
162 gpio_request(GPIO_GFN_SD0_CMD, NULL);
163 gpio_request(GPIO_GFN_SD0_CD, NULL);
164 gpio_request(GPIO_GFN_SD0_WP, NULL);
165
166 gpio_request(GPIO_GP_5_2, NULL);
167 gpio_request(GPIO_GP_5_1, NULL);
168 gpio_direction_output(GPIO_GP_5_2, 1); /* power on */
169 gpio_direction_output(GPIO_GP_5_1, 1); /* 1: 3.3V, 0: 1.8V */
170
171 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0,
172 SH_SDHI_QUIRK_64BIT_BUF);
173 if (ret)
174 return ret;
175
176 /* SDHI1/SDHI2 eMMC */
177 gpio_request(GPIO_GFN_SD1_DAT0, NULL);
178 gpio_request(GPIO_GFN_SD1_DAT1, NULL);
179 gpio_request(GPIO_GFN_SD1_DAT2, NULL);
180 gpio_request(GPIO_GFN_SD1_DAT3, NULL);
181 gpio_request(GPIO_GFN_SD2_DAT0, NULL);
182 gpio_request(GPIO_GFN_SD2_DAT1, NULL);
183 gpio_request(GPIO_GFN_SD2_DAT2, NULL);
184 gpio_request(GPIO_GFN_SD2_DAT3, NULL);
185 gpio_request(GPIO_GFN_SD2_CLK, NULL);
186 gpio_request(GPIO_GFN_SD2_CMD, NULL);
187 gpio_request(GPIO_GP_5_3, NULL);
188 gpio_request(GPIO_GP_5_9, NULL);
189 gpio_direction_output(GPIO_GP_5_3, 0); /* 1: 3.3V, 0: 1.8V */
190 gpio_direction_output(GPIO_GP_5_9, 0); /* 1: 3.3V, 0: 1.8V */
191
192 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI2_BASE, 1,
193 SH_SDHI_QUIRK_64BIT_BUF);
194 if (ret)
195 return ret;
196
197 /* SDHI3 */
198 gpio_request(GPIO_GFN_SD3_DAT0, NULL); /* GP_4_9 */
199 gpio_request(GPIO_GFN_SD3_DAT1, NULL); /* GP_4_10 */
200 gpio_request(GPIO_GFN_SD3_DAT2, NULL); /* GP_4_11 */
201 gpio_request(GPIO_GFN_SD3_DAT3, NULL); /* GP_4_12 */
202 gpio_request(GPIO_GFN_SD3_CLK, NULL); /* GP_4_7 */
203 gpio_request(GPIO_GFN_SD3_CMD, NULL); /* GP_4_8 */
204 /* IPSR10 */
205 gpio_request(GPIO_FN_SD3_CD, NULL);
206 gpio_request(GPIO_FN_SD3_WP, NULL);
207
208 gpio_request(GPIO_GP_3_15, NULL);
209 gpio_request(GPIO_GP_3_14, NULL);
210 gpio_direction_output(GPIO_GP_3_15, 1); /* power on */
211 gpio_direction_output(GPIO_GP_3_14, 1); /* 1: 3.3V, 0: 1.8V */
212
213 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI3_BASE, 2,
214 SH_SDHI_QUIRK_64BIT_BUF);
215 return ret;
216}
217#endif
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +0900218
219int dram_init(void)
220{
221 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
222
223 return 0;
224}
225
226const struct rmobile_sysinfo sysinfo = {
227 CONFIG_RCAR_BOARD_STRING
228};
229
230#define RST_BASE 0xE6160000
231#define RST_CA57RESCNT (RST_BASE + 0x40)
232#define RST_CA53RESCNT (RST_BASE + 0x44)
233#define RST_RSTOUTCR (RST_BASE + 0x58)
234#define RST_CODE 0xA5A5000F
235
236void reset_cpu(ulong addr)
237{
238 /* only CA57 ? */
239 writel(RST_CODE, RST_CA57RESCNT);
240}
241
242static const struct sh_serial_platdata serial_platdata = {
243 .base = SCIF2_BASE,
244 .type = PORT_SCIF,
Marek Vasutff178222017-05-13 15:57:45 +0200245 .clk = CONFIG_SH_SCIF_CLK_FREQ,
246 .clk_mode = INT_CLK,
Nobuhiro Iwamatsufdf7c652016-04-01 03:51:36 +0900247};
248
249U_BOOT_DEVICE(salvator_x_scif2) = {
250 .name = "serial_sh",
251 .platdata = &serial_platdata,
252};