blob: 7df739409156decc93ab2af43113b054d5daa0a4 [file] [log] [blame]
Vladimir Barinov21871132015-07-20 20:49:59 +03001/*
2 * board/renesas/stout/stout.c
3 * This file is Stout board support.
4 *
5 * Copyright (C) 2015 Renesas Electronics Europe GmbH
6 * Copyright (C) 2015 Renesas Electronics Corporation
7 * Copyright (C) 2015 Cogent Embedded, Inc.
8 *
9 * SPDX-License-Identifier: GPL-2.0
10 */
11
12#include <common.h>
13#include <malloc.h>
14#include <netdev.h>
15#include <dm.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 <asm/errno.h>
21#include <asm/arch/sys_proto.h>
22#include <asm/gpio.h>
23#include <asm/arch/rmobile.h>
24#include <asm/arch/rcar-mstp.h>
25#include <asm/arch/mmc.h>
26#include <asm/arch/sh_sdhi.h>
27#include <miiphy.h>
28#include <i2c.h>
29#include <mmc.h>
30#include "qos.h"
31#include "cpld.h"
32
33DECLARE_GLOBAL_DATA_PTR;
34
35#define CLK2MHZ(clk) (clk / 1000 / 1000)
36void s_init(void)
37{
38 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
39 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
40
41 /* Watchdog init */
42 writel(0xA5A5A500, &rwdt->rwtcsra);
43 writel(0xA5A5A500, &swdt->swtcsra);
44
45 /* CPU frequency setting. Set to 1.4GHz */
46 if (rmobile_get_cpu_rev_integer() >= R8A7790_CUT_ES2X) {
47 u32 stat = 0;
48 u32 stc = ((1400 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1)
49 << PLL0_STC_BIT;
50 clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);
51
52 do {
53 stat = readl(PLLECR) & PLL0ST;
54 } while (stat == 0x0);
55 }
56
57 /* QoS(Quality-of-Service) Init */
58 qos_init();
59}
60
61#define TMU0_MSTP125 (1 << 25)
62#define SCIFA0_MSTP204 (1 << 4)
63#define SDHI0_MSTP314 (1 << 14)
64#define SDHI2_MSTP312 (1 << 12)
65#define ETHER_MSTP813 (1 << 13)
66
67#define MSTPSR3 0xE6150048
68#define SMSTPCR3 0xE615013C
69
70#define SD2CKCR 0xE6150078
71#define SD2_97500KHZ 0x7
72
73int board_early_init_f(void)
74{
75 /* TMU0 */
76 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
77 /* SCIFA0 */
78 mstp_clrbits_le32(MSTPSR2, SMSTPCR2, SCIFA0_MSTP204);
79 /* ETHER */
80 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
81 /* SDHI0,2 */
82 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI0_MSTP314 | SDHI2_MSTP312);
83
84 /*
85 * SD0 clock is set to 97.5MHz by default.
86 * Set SD2 to the 97.5MHz as well.
87 */
88 writel(SD2_97500KHZ, SD2CKCR);
89
90 return 0;
91}
92
93int board_init(void)
94{
95 /* adress of boot parameters */
96 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
97
98 /* Init PFC controller */
99 r8a7790_pinmux_init();
100
101 cpld_init();
102
103#ifdef CONFIG_SH_ETHER
104 /* ETHER Enable */
105 gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
106 gpio_request(GPIO_FN_ETH_RX_ER, NULL);
107 gpio_request(GPIO_FN_ETH_RXD0, NULL);
108 gpio_request(GPIO_FN_ETH_RXD1, NULL);
109 gpio_request(GPIO_FN_ETH_LINK, NULL);
110 gpio_request(GPIO_FN_ETH_REF_CLK, NULL);
111 gpio_request(GPIO_FN_ETH_MDIO, NULL);
112 gpio_request(GPIO_FN_ETH_TXD1, NULL);
113 gpio_request(GPIO_FN_ETH_TX_EN, NULL);
114 gpio_request(GPIO_FN_ETH_MAGIC, NULL);
115 gpio_request(GPIO_FN_ETH_TXD0, NULL);
116 gpio_request(GPIO_FN_ETH_MDC, NULL);
117 gpio_request(GPIO_FN_IRQ1, NULL);
118
119 gpio_request(GPIO_GP_3_31, NULL); /* PHY_RST */
120 gpio_direction_output(GPIO_GP_3_31, 0);
121 mdelay(20);
122 gpio_set_value(GPIO_GP_3_31, 1);
123 udelay(1);
124#endif
125
126 return 0;
127}
128
129#define CXR24 0xEE7003C0 /* MAC address high register */
130#define CXR25 0xEE7003C8 /* MAC address low register */
131int board_eth_init(bd_t *bis)
132{
133 int ret = -ENODEV;
134
135#ifdef CONFIG_SH_ETHER
136 u32 val;
137 unsigned char enetaddr[6];
138
139 ret = sh_eth_initialize(bis);
140 if (!eth_getenv_enetaddr("ethaddr", enetaddr))
141 return ret;
142
143 /* Set Mac address */
144 val = enetaddr[0] << 24 | enetaddr[1] << 16 |
145 enetaddr[2] << 8 | enetaddr[3];
146 writel(val, CXR24);
147
148 val = enetaddr[4] << 8 | enetaddr[5];
149 writel(val, CXR25);
150#endif
151
152 return ret;
153}
154
155/* Stout has KSZ8041NL/RNL */
156#define PHY_CONTROL1 0x1E
157#define PHY_LED_MODE 0xC0000
158#define PHY_LED_MODE_ACK 0x4000
159int board_phy_config(struct phy_device *phydev)
160{
161 int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
162 ret &= ~PHY_LED_MODE;
163 ret |= PHY_LED_MODE_ACK;
164 ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
165
166 return 0;
167}
168
169int board_mmc_init(bd_t *bis)
170{
171 int ret = -ENODEV;
172
173#ifdef CONFIG_SH_SDHI
174 gpio_request(GPIO_FN_SD0_DAT0, NULL);
175 gpio_request(GPIO_FN_SD0_DAT1, NULL);
176 gpio_request(GPIO_FN_SD0_DAT2, NULL);
177 gpio_request(GPIO_FN_SD0_DAT3, NULL);
178 gpio_request(GPIO_FN_SD0_CLK, NULL);
179 gpio_request(GPIO_FN_SD0_CMD, NULL);
180 gpio_request(GPIO_FN_SD0_CD, NULL);
181 gpio_request(GPIO_FN_SD2_DAT0, NULL);
182 gpio_request(GPIO_FN_SD2_DAT1, NULL);
183 gpio_request(GPIO_FN_SD2_DAT2, NULL);
184 gpio_request(GPIO_FN_SD2_DAT3, NULL);
185 gpio_request(GPIO_FN_SD2_CLK, NULL);
186 gpio_request(GPIO_FN_SD2_CMD, NULL);
187 gpio_request(GPIO_FN_SD2_CD, NULL);
188
189 /* SDHI0 - needs CPLD mux setup */
190 gpio_request(GPIO_GP_3_30, NULL);
191 gpio_direction_output(GPIO_GP_3_30, 1); /* VLDO3=3.3V */
192 gpio_request(GPIO_GP_5_24, NULL);
193 gpio_direction_output(GPIO_GP_5_24, 1); /* power on */
194
195 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0,
196 SH_SDHI_QUIRK_16BIT_BUF);
197 if (ret)
198 return ret;
199
200 /* SDHI2 - needs CPLD mux setup */
201 gpio_request(GPIO_GP_3_29, NULL);
202 gpio_direction_output(GPIO_GP_3_29, 1); /* VLDO4=3.3V */
203 gpio_request(GPIO_GP_5_25, NULL);
204 gpio_direction_output(GPIO_GP_5_25, 1); /* power on */
205
206 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI2_BASE, 2, 0);
207#endif
208 return ret;
209}
210
211
212int dram_init(void)
213{
214 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
215
216 return 0;
217}
218
219const struct rmobile_sysinfo sysinfo = {
220 CONFIG_RMOBILE_BOARD_STRING
221};
222
223static const struct sh_serial_platdata serial_platdata = {
224 .base = SCIFA0_BASE,
225 .type = PORT_SCIFA,
226 .clk = CONFIG_MP_CLK_FREQ,
227};
228
229U_BOOT_DEVICE(stout_serials) = {
230 .name = "serial_sh",
231 .platdata = &serial_platdata,
232};