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arm: rmobile: alt: Migrate serial driver to drivers model
[people/ms/u-boot.git] / board / renesas / alt / alt.c
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1/*
2 * board/renesas/alt/alt.c
3 *
4 * Copyright (C) 2014 Renesas Electronics Corporation
5 *
6 * SPDX-License-Identifier: GPL-2.0
7 */
8
9#include <common.h>
10#include <malloc.h>
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11#include <dm.h>
12#include <dm/platform_data/serial_sh.h>
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13#include <asm/processor.h>
14#include <asm/mach-types.h>
15#include <asm/io.h>
16#include <asm/errno.h>
17#include <asm/arch/sys_proto.h>
18#include <asm/gpio.h>
19#include <asm/arch/rmobile.h>
44e1eebf 20#include <asm/arch/rcar-mstp.h>
2b8c0814 21#include <asm/arch/mmc.h>
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22#include <netdev.h>
23#include <miiphy.h>
24#include <i2c.h>
25#include <div64.h>
26#include "qos.h"
27
28DECLARE_GLOBAL_DATA_PTR;
29
30#define CLK2MHZ(clk) (clk / 1000 / 1000)
31void s_init(void)
32{
33 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
34 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
35
36 /* Watchdog init */
37 writel(0xA5A5A500, &rwdt->rwtcsra);
38 writel(0xA5A5A500, &swdt->swtcsra);
39
40 /* QoS */
41 qos_init();
42}
43
cff2f5f0 44#define TMU0_MSTP125 (1 << 25)
0e429bdf 45#define SCIF2_MSTP719 (1 << 19)
cff2f5f0 46#define ETHER_MSTP813 (1 << 13)
92ef38ee 47#define IIC1_MSTP323 (1 << 23)
2b8c0814 48#define MMC0_MSTP315 (1 << 15)
92ef38ee 49
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50int board_early_init_f(void)
51{
52 /* TMU */
53 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
54
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55 /* SCIF2 */
56 mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF2_MSTP719);
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57
58 /* ETHER */
59 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
60
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61 /* IIC1 / sh-i2c ch1 */
62 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, IIC1_MSTP323);
63
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64#ifdef CONFIG_SH_MMCIF
65 /* MMC */
66 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC0_MSTP315);
67#endif
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68 return 0;
69}
70
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71int board_init(void)
72{
73 /* adress of boot parameters */
4772684c 74 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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75
76 /* Init PFC controller */
77 r8a7794_pinmux_init();
78
79 /* Ether Enable */
80 gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
81 gpio_request(GPIO_FN_ETH_RX_ER, NULL);
82 gpio_request(GPIO_FN_ETH_RXD0, NULL);
83 gpio_request(GPIO_FN_ETH_RXD1, NULL);
84 gpio_request(GPIO_FN_ETH_LINK, NULL);
85 gpio_request(GPIO_FN_ETH_REFCLK, NULL);
86 gpio_request(GPIO_FN_ETH_MDIO, NULL);
87 gpio_request(GPIO_FN_ETH_TXD1, NULL);
88 gpio_request(GPIO_FN_ETH_TX_EN, NULL);
89 gpio_request(GPIO_FN_ETH_MAGIC, NULL);
90 gpio_request(GPIO_FN_ETH_TXD0, NULL);
91 gpio_request(GPIO_FN_ETH_MDC, NULL);
92 gpio_request(GPIO_FN_IRQ8, NULL);
93
94 /* PHY reset */
95 gpio_request(GPIO_GP_1_24, NULL);
96 gpio_direction_output(GPIO_GP_1_24, 0);
97 mdelay(20);
98 gpio_set_value(GPIO_GP_1_24, 1);
99 udelay(1);
100
101 return 0;
102}
103
104#define CXR24 0xEE7003C0 /* MAC address high register */
105#define CXR25 0xEE7003C8 /* MAC address low register */
106int board_eth_init(bd_t *bis)
107{
108#ifdef CONFIG_SH_ETHER
109 int ret = -ENODEV;
110 u32 val;
111 unsigned char enetaddr[6];
112
113 ret = sh_eth_initialize(bis);
114 if (!eth_getenv_enetaddr("ethaddr", enetaddr))
115 return ret;
116
117 /* Set Mac address */
118 val = enetaddr[0] << 24 | enetaddr[1] << 16 |
119 enetaddr[2] << 8 | enetaddr[3];
120 writel(val, CXR24);
121
122 val = enetaddr[4] << 8 | enetaddr[5];
123 writel(val, CXR25);
124
125 return ret;
126#else
127 return 0;
128#endif
129}
130
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131int board_mmc_init(bd_t *bis)
132{
133 int ret = 0;
134
135#ifdef CONFIG_SH_MMCIF
136 gpio_request(GPIO_GP_4_31, NULL);
137 gpio_set_value(GPIO_GP_4_31, 1);
138
139 ret = mmcif_mmc_init();
140#endif
141 return ret;
142}
143
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144int dram_init(void)
145{
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146 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
147
148 return 0;
149}
150
151const struct rmobile_sysinfo sysinfo = {
152 CONFIG_RMOBILE_BOARD_STRING
153};
154
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155void reset_cpu(ulong addr)
156{
157 u8 val;
158
f063b32c 159 i2c_set_bus_num(1); /* PowerIC connected to ch1 */
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160 i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
161 val |= 0x02;
162 i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
163}
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164
165static const struct sh_serial_platdata serial_platdata = {
166 .base = SCIF2_BASE,
167 .type = PORT_SCIF,
168 .clk = 14745600,
169 .clk_mode = EXT_CLK,
170};
171
172U_BOOT_DEVICE(alt_serials) = {
173 .name = "serial_sh",
174 .platdata = &serial_platdata,
175};