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 <asm/processor.h>
15 #include <asm/mach-types.h>
17 #include <linux/errno.h>
18 #include <asm/arch/sys_proto.h>
20 #include <asm/arch/rmobile.h>
21 #include <asm/arch/rcar-mstp.h>
22 #include <asm/arch/mmc.h>
23 #include <asm/arch/sh_sdhi.h>
30 DECLARE_GLOBAL_DATA_PTR;
32 #define CLK2MHZ(clk) (clk / 1000 / 1000)
35 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
36 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
39 writel(0xA5A5A500, &rwdt->rwtcsra);
40 writel(0xA5A5A500, &swdt->swtcsra);
46 #define TMU0_MSTP125 (1 << 25)
47 #define SCIF2_MSTP719 (1 << 19)
48 #define ETHER_MSTP813 (1 << 13)
49 #define IIC1_MSTP323 (1 << 23)
50 #define MMC0_MSTP315 (1 << 15)
51 #define SDHI1_MSTP312 (1 << 12)
53 #define SD1CKCR 0xE6150078
54 #define SD1_97500KHZ 0x7
56 int board_early_init_f(void)
59 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
62 mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF2_MSTP719);
65 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
67 /* IIC1 / sh-i2c ch1 */
68 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, IIC1_MSTP323);
70 #ifdef CONFIG_SH_MMCIF
72 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC0_MSTP315);
77 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI1_MSTP312);
80 * Set SD1 to the 97.5MHz
82 writel(SD1_97500KHZ, SD1CKCR);
87 /* LSI pin pull-up control */
88 #define PUPR3 0xe606010C
89 #define PUPR3_ETH 0x006FF800
90 #define PUPR1 0xe6060104
91 #define PUPR1_DREQ0_N (1 << 20)
94 /* adress of boot parameters */
95 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
97 /* Init PFC controller */
98 r8a7794_pinmux_init();
101 gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
102 gpio_request(GPIO_FN_ETH_RX_ER, NULL);
103 gpio_request(GPIO_FN_ETH_RXD0, NULL);
104 gpio_request(GPIO_FN_ETH_RXD1, NULL);
105 gpio_request(GPIO_FN_ETH_LINK, NULL);
106 gpio_request(GPIO_FN_ETH_REFCLK, NULL);
107 gpio_request(GPIO_FN_ETH_MDIO, NULL);
108 gpio_request(GPIO_FN_ETH_TXD1, NULL);
109 gpio_request(GPIO_FN_ETH_TX_EN, NULL);
110 gpio_request(GPIO_FN_ETH_MAGIC, NULL);
111 gpio_request(GPIO_FN_ETH_TXD0, NULL);
112 gpio_request(GPIO_FN_ETH_MDC, NULL);
113 gpio_request(GPIO_FN_IRQ8, NULL);
116 mstp_clrbits_le32(PUPR3, PUPR3, PUPR3_ETH);
117 gpio_request(GPIO_GP_1_24, NULL);
118 mstp_clrbits_le32(PUPR1, PUPR1, PUPR1_DREQ0_N);
120 gpio_direction_output(GPIO_GP_1_24, 0);
122 gpio_set_value(GPIO_GP_1_24, 1);
128 #define CXR24 0xEE7003C0 /* MAC address high register */
129 #define CXR25 0xEE7003C8 /* MAC address low register */
130 int board_eth_init(bd_t *bis)
132 #ifdef CONFIG_SH_ETHER
135 unsigned char enetaddr[6];
137 ret = sh_eth_initialize(bis);
138 if (!eth_getenv_enetaddr("ethaddr", enetaddr))
141 /* Set Mac address */
142 val = enetaddr[0] << 24 | enetaddr[1] << 16 |
143 enetaddr[2] << 8 | enetaddr[3];
146 val = enetaddr[4] << 8 | enetaddr[5];
155 int board_mmc_init(bd_t *bis)
159 #ifdef CONFIG_SH_MMCIF
161 gpio_request(GPIO_GP_4_31, NULL);
162 gpio_direction_output(GPIO_GP_4_31, 1);
164 ret = mmcif_mmc_init();
167 #ifdef CONFIG_SH_SDHI
168 gpio_request(GPIO_FN_SD1_DATA0, NULL);
169 gpio_request(GPIO_FN_SD1_DATA1, NULL);
170 gpio_request(GPIO_FN_SD1_DATA2, NULL);
171 gpio_request(GPIO_FN_SD1_DATA3, NULL);
172 gpio_request(GPIO_FN_SD1_CLK, NULL);
173 gpio_request(GPIO_FN_SD1_CMD, NULL);
174 gpio_request(GPIO_FN_SD1_CD, NULL);
177 gpio_request(GPIO_GP_4_26, NULL);
178 gpio_request(GPIO_GP_4_29, NULL);
179 gpio_direction_output(GPIO_GP_4_26, 1);
180 gpio_direction_output(GPIO_GP_4_29, 1);
182 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI1_BASE, 1, 0);
189 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
194 const struct rmobile_sysinfo sysinfo = {
195 CONFIG_ARCH_RMOBILE_BOARD_STRING
198 void reset_cpu(ulong addr)
202 i2c_set_bus_num(1); /* PowerIC connected to ch1 */
203 i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
205 i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
208 static const struct sh_serial_platdata serial_platdata = {
215 U_BOOT_DEVICE(silk_serials) = {
217 .platdata = &serial_platdata,