2 * board/renesas/silk/silk.c
4 * Copyright (C) 2015 Renesas Electronics Corporation
5 * Copyright (C) 2015 Cogent Embedded, Inc.
7 * SPDX-License-Identifier: GPL-2.0
13 #include <dm/platform_data/serial_sh.h>
14 #include <environment.h>
15 #include <asm/processor.h>
16 #include <asm/mach-types.h>
18 #include <linux/errno.h>
19 #include <asm/arch/sys_proto.h>
21 #include <asm/arch/rmobile.h>
22 #include <asm/arch/rcar-mstp.h>
23 #include <asm/arch/mmc.h>
24 #include <asm/arch/sh_sdhi.h>
31 DECLARE_GLOBAL_DATA_PTR;
33 #define CLK2MHZ(clk) (clk / 1000 / 1000)
36 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
37 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
40 writel(0xA5A5A500, &rwdt->rwtcsra);
41 writel(0xA5A5A500, &swdt->swtcsra);
47 #define TMU0_MSTP125 (1 << 25)
48 #define SCIF2_MSTP719 (1 << 19)
49 #define ETHER_MSTP813 (1 << 13)
50 #define IIC1_MSTP323 (1 << 23)
51 #define MMC0_MSTP315 (1 << 15)
52 #define SDHI1_MSTP312 (1 << 12)
54 #define SD1CKCR 0xE6150078
55 #define SD1_97500KHZ 0x7
57 int board_early_init_f(void)
60 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
63 mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF2_MSTP719);
66 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
68 /* IIC1 / sh-i2c ch1 */
69 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, IIC1_MSTP323);
71 #ifdef CONFIG_SH_MMCIF
73 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC0_MSTP315);
78 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI1_MSTP312);
81 * Set SD1 to the 97.5MHz
83 writel(SD1_97500KHZ, SD1CKCR);
88 /* LSI pin pull-up control */
89 #define PUPR3 0xe606010C
90 #define PUPR3_ETH 0x006FF800
91 #define PUPR1 0xe6060104
92 #define PUPR1_DREQ0_N (1 << 20)
95 /* adress of boot parameters */
96 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
98 /* Init PFC controller */
99 r8a7794_pinmux_init();
102 gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
103 gpio_request(GPIO_FN_ETH_RX_ER, NULL);
104 gpio_request(GPIO_FN_ETH_RXD0, NULL);
105 gpio_request(GPIO_FN_ETH_RXD1, NULL);
106 gpio_request(GPIO_FN_ETH_LINK, NULL);
107 gpio_request(GPIO_FN_ETH_REFCLK, NULL);
108 gpio_request(GPIO_FN_ETH_MDIO, NULL);
109 gpio_request(GPIO_FN_ETH_TXD1, NULL);
110 gpio_request(GPIO_FN_ETH_TX_EN, NULL);
111 gpio_request(GPIO_FN_ETH_MAGIC, NULL);
112 gpio_request(GPIO_FN_ETH_TXD0, NULL);
113 gpio_request(GPIO_FN_ETH_MDC, NULL);
114 gpio_request(GPIO_FN_IRQ8, NULL);
117 mstp_clrbits_le32(PUPR3, PUPR3, PUPR3_ETH);
118 gpio_request(GPIO_GP_1_24, NULL);
119 mstp_clrbits_le32(PUPR1, PUPR1, PUPR1_DREQ0_N);
121 gpio_direction_output(GPIO_GP_1_24, 0);
123 gpio_set_value(GPIO_GP_1_24, 1);
129 #define CXR24 0xEE7003C0 /* MAC address high register */
130 #define CXR25 0xEE7003C8 /* MAC address low register */
131 int board_eth_init(bd_t *bis)
133 #ifdef CONFIG_SH_ETHER
136 unsigned char enetaddr[6];
138 ret = sh_eth_initialize(bis);
139 if (!eth_env_get_enetaddr("ethaddr", enetaddr))
142 /* Set Mac address */
143 val = enetaddr[0] << 24 | enetaddr[1] << 16 |
144 enetaddr[2] << 8 | enetaddr[3];
147 val = enetaddr[4] << 8 | enetaddr[5];
156 int board_mmc_init(bd_t *bis)
160 #ifdef CONFIG_SH_MMCIF
162 gpio_request(GPIO_GP_4_31, NULL);
163 gpio_direction_output(GPIO_GP_4_31, 1);
165 ret = mmcif_mmc_init();
168 #ifdef CONFIG_SH_SDHI
169 gpio_request(GPIO_FN_SD1_DATA0, NULL);
170 gpio_request(GPIO_FN_SD1_DATA1, NULL);
171 gpio_request(GPIO_FN_SD1_DATA2, NULL);
172 gpio_request(GPIO_FN_SD1_DATA3, NULL);
173 gpio_request(GPIO_FN_SD1_CLK, NULL);
174 gpio_request(GPIO_FN_SD1_CMD, NULL);
175 gpio_request(GPIO_FN_SD1_CD, NULL);
178 gpio_request(GPIO_GP_4_26, NULL);
179 gpio_request(GPIO_GP_4_29, NULL);
180 gpio_direction_output(GPIO_GP_4_26, 1);
181 gpio_direction_output(GPIO_GP_4_29, 1);
183 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI1_BASE, 1, 0);
190 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
195 const struct rmobile_sysinfo sysinfo = {
196 CONFIG_ARCH_RMOBILE_BOARD_STRING
199 void reset_cpu(ulong addr)
203 i2c_set_bus_num(1); /* PowerIC connected to ch1 */
204 i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
206 i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
209 static const struct sh_serial_platdata serial_platdata = {
216 U_BOOT_DEVICE(silk_serials) = {
218 .platdata = &serial_platdata,