1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/*
* board/renesas/silk/silk.c
*
* Copyright (C) 2015 Renesas Electronics Corporation
* Copyright (C) 2015 Cogent Embedded, Inc.
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <malloc.h>
#include <dm.h>
#include <dm/platform_data/serial_sh.h>
#include <asm/processor.h>
#include <asm/mach-types.h>
#include <asm/io.h>
#include <linux/errno.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/arch/rmobile.h>
#include <asm/arch/rcar-mstp.h>
#include <asm/arch/mmc.h>
#include <asm/arch/sh_sdhi.h>
#include <netdev.h>
#include <miiphy.h>
#include <i2c.h>
#include <div64.h>
#include "qos.h"
DECLARE_GLOBAL_DATA_PTR;
#define CLK2MHZ(clk) (clk / 1000 / 1000)
void s_init(void)
{
struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
/* Watchdog init */
writel(0xA5A5A500, &rwdt->rwtcsra);
writel(0xA5A5A500, &swdt->swtcsra);
/* QoS */
qos_init();
}
#define TMU0_MSTP125 (1 << 25)
#define SCIF2_MSTP719 (1 << 19)
#define ETHER_MSTP813 (1 << 13)
#define IIC1_MSTP323 (1 << 23)
#define MMC0_MSTP315 (1 << 15)
#define SDHI1_MSTP312 (1 << 12)
#define SD1CKCR 0xE6150078
#define SD1_97500KHZ 0x7
int board_early_init_f(void)
{
/* TMU */
mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
/* SCIF2 */
mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF2_MSTP719);
/* ETHER */
mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
/* IIC1 / sh-i2c ch1 */
mstp_clrbits_le32(MSTPSR3, SMSTPCR3, IIC1_MSTP323);
#ifdef CONFIG_SH_MMCIF
/* MMC */
mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC0_MSTP315);
#endif
#ifdef CONFIG_SH_SDHI
/* SDHI1 */
mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI1_MSTP312);
/*
* Set SD1 to the 97.5MHz
*/
writel(SD1_97500KHZ, SD1CKCR);
#endif
return 0;
}
/* LSI pin pull-up control */
#define PUPR3 0xe606010C
#define PUPR3_ETH 0x006FF800
#define PUPR1 0xe6060104
#define PUPR1_DREQ0_N (1 << 20)
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
/* Init PFC controller */
r8a7794_pinmux_init();
/* Ether Enable */
gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
gpio_request(GPIO_FN_ETH_RX_ER, NULL);
gpio_request(GPIO_FN_ETH_RXD0, NULL);
gpio_request(GPIO_FN_ETH_RXD1, NULL);
gpio_request(GPIO_FN_ETH_LINK, NULL);
gpio_request(GPIO_FN_ETH_REFCLK, NULL);
gpio_request(GPIO_FN_ETH_MDIO, NULL);
gpio_request(GPIO_FN_ETH_TXD1, NULL);
gpio_request(GPIO_FN_ETH_TX_EN, NULL);
gpio_request(GPIO_FN_ETH_MAGIC, NULL);
gpio_request(GPIO_FN_ETH_TXD0, NULL);
gpio_request(GPIO_FN_ETH_MDC, NULL);
gpio_request(GPIO_FN_IRQ8, NULL);
/* PHY reset */
mstp_clrbits_le32(PUPR3, PUPR3, PUPR3_ETH);
gpio_request(GPIO_GP_1_24, NULL);
mstp_clrbits_le32(PUPR1, PUPR1, PUPR1_DREQ0_N);
gpio_direction_output(GPIO_GP_1_24, 0);
mdelay(20);
gpio_set_value(GPIO_GP_1_24, 1);
udelay(1);
return 0;
}
#define CXR24 0xEE7003C0 /* MAC address high register */
#define CXR25 0xEE7003C8 /* MAC address low register */
int board_eth_init(bd_t *bis)
{
#ifdef CONFIG_SH_ETHER
int ret = -ENODEV;
u32 val;
unsigned char enetaddr[6];
ret = sh_eth_initialize(bis);
if (!eth_getenv_enetaddr("ethaddr", enetaddr))
return ret;
/* Set Mac address */
val = enetaddr[0] << 24 | enetaddr[1] << 16 |
enetaddr[2] << 8 | enetaddr[3];
writel(val, CXR24);
val = enetaddr[4] << 8 | enetaddr[5];
writel(val, CXR25);
return ret;
#else
return 0;
#endif
}
int board_mmc_init(bd_t *bis)
{
int ret = -ENODEV;
#ifdef CONFIG_SH_MMCIF
/* MMC0 */
gpio_request(GPIO_GP_4_31, NULL);
gpio_direction_output(GPIO_GP_4_31, 1);
ret = mmcif_mmc_init();
#endif
#ifdef CONFIG_SH_SDHI
gpio_request(GPIO_FN_SD1_DATA0, NULL);
gpio_request(GPIO_FN_SD1_DATA1, NULL);
gpio_request(GPIO_FN_SD1_DATA2, NULL);
gpio_request(GPIO_FN_SD1_DATA3, NULL);
gpio_request(GPIO_FN_SD1_CLK, NULL);
gpio_request(GPIO_FN_SD1_CMD, NULL);
gpio_request(GPIO_FN_SD1_CD, NULL);
/* SDHI 1 */
gpio_request(GPIO_GP_4_26, NULL);
gpio_request(GPIO_GP_4_29, NULL);
gpio_direction_output(GPIO_GP_4_26, 1);
gpio_direction_output(GPIO_GP_4_29, 1);
ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI1_BASE, 1, 0);
#endif
return ret;
}
int dram_init(void)
{
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
const struct rmobile_sysinfo sysinfo = {
CONFIG_ARCH_RMOBILE_BOARD_STRING
};
void reset_cpu(ulong addr)
{
u8 val;
i2c_set_bus_num(1); /* PowerIC connected to ch1 */
i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
val |= 0x02;
i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
}
static const struct sh_serial_platdata serial_platdata = {
.base = SCIF2_BASE,
.type = PORT_SCIF,
.clk = 14745600,
.clk_mode = EXT_CLK,
};
U_BOOT_DEVICE(silk_serials) = {
.name = "serial_sh",
.platdata = &serial_platdata,
};
|
