2 * board/renesas/alt/alt.c
4 * Copyright (C) 2014, 2015 Renesas Electronics Corporation
6 * SPDX-License-Identifier: GPL-2.0
12 #include <dm/platform_data/serial_sh.h>
13 #include <asm/processor.h>
14 #include <asm/mach-types.h>
16 #include <linux/errno.h>
17 #include <asm/arch/sys_proto.h>
19 #include <asm/arch/rmobile.h>
20 #include <asm/arch/rcar-mstp.h>
21 #include <asm/arch/mmc.h>
22 #include <asm/arch/sh_sdhi.h>
29 DECLARE_GLOBAL_DATA_PTR;
31 #define CLK2MHZ(clk) (clk / 1000 / 1000)
34 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
35 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
38 writel(0xA5A5A500, &rwdt->rwtcsra);
39 writel(0xA5A5A500, &swdt->swtcsra);
45 #define TMU0_MSTP125 (1 << 25)
46 #define SCIF2_MSTP719 (1 << 19)
47 #define ETHER_MSTP813 (1 << 13)
48 #define IIC1_MSTP323 (1 << 23)
49 #define MMC0_MSTP315 (1 << 15)
50 #define SDHI0_MSTP314 (1 << 14)
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, SDHI0_MSTP314 | SDHI1_MSTP312);
80 * SD0 clock is set to 97.5MHz by default.
81 * Set SD1 to the 97.5MHz as well.
83 writel(SD1_97500KHZ, SD1CKCR);
90 /* adress of boot parameters */
91 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
93 /* Init PFC controller */
94 r8a7794_pinmux_init();
97 #if defined(CONFIG_R8A7794_ETHERNET_B)
98 gpio_request(GPIO_FN_ETH_CRS_DV_B, NULL);
99 gpio_request(GPIO_FN_ETH_RX_ER_B, NULL);
100 gpio_request(GPIO_FN_ETH_RXD0_B, NULL);
101 gpio_request(GPIO_FN_ETH_RXD1_B, NULL);
102 gpio_request(GPIO_FN_ETH_LINK_B, NULL);
103 gpio_request(GPIO_FN_ETH_REFCLK_B, NULL);
104 gpio_request(GPIO_FN_ETH_MDIO_B, NULL);
105 gpio_request(GPIO_FN_ETH_TXD1_B, NULL);
106 gpio_request(GPIO_FN_ETH_TX_EN_B, NULL);
107 gpio_request(GPIO_FN_ETH_MAGIC_B, NULL);
108 gpio_request(GPIO_FN_ETH_TXD0_B, NULL);
109 gpio_request(GPIO_FN_ETH_MDC_B, NULL);
111 gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
112 gpio_request(GPIO_FN_ETH_RX_ER, NULL);
113 gpio_request(GPIO_FN_ETH_RXD0, NULL);
114 gpio_request(GPIO_FN_ETH_RXD1, NULL);
115 gpio_request(GPIO_FN_ETH_LINK, NULL);
116 gpio_request(GPIO_FN_ETH_REFCLK, NULL);
117 gpio_request(GPIO_FN_ETH_MDIO, NULL);
118 gpio_request(GPIO_FN_ETH_TXD1, NULL);
119 gpio_request(GPIO_FN_ETH_TX_EN, NULL);
120 gpio_request(GPIO_FN_ETH_MAGIC, NULL);
121 gpio_request(GPIO_FN_ETH_TXD0, NULL);
122 gpio_request(GPIO_FN_ETH_MDC, NULL);
124 gpio_request(GPIO_FN_IRQ8, NULL);
127 gpio_request(GPIO_GP_1_24, NULL);
128 gpio_direction_output(GPIO_GP_1_24, 0);
130 gpio_set_value(GPIO_GP_1_24, 1);
136 #define CXR24 0xEE7003C0 /* MAC address high register */
137 #define CXR25 0xEE7003C8 /* MAC address low register */
138 int board_eth_init(bd_t *bis)
140 #ifdef CONFIG_SH_ETHER
143 unsigned char enetaddr[6];
145 ret = sh_eth_initialize(bis);
146 if (!eth_getenv_enetaddr("ethaddr", enetaddr))
149 /* Set Mac address */
150 val = enetaddr[0] << 24 | enetaddr[1] << 16 |
151 enetaddr[2] << 8 | enetaddr[3];
154 val = enetaddr[4] << 8 | enetaddr[5];
163 int board_mmc_init(bd_t *bis)
167 #ifdef CONFIG_SH_MMCIF
168 gpio_request(GPIO_GP_4_31, NULL);
169 gpio_set_value(GPIO_GP_4_31, 1);
171 ret = mmcif_mmc_init();
174 #ifdef CONFIG_SH_SDHI
175 gpio_request(GPIO_FN_SD0_DATA0, NULL);
176 gpio_request(GPIO_FN_SD0_DATA1, NULL);
177 gpio_request(GPIO_FN_SD0_DATA2, NULL);
178 gpio_request(GPIO_FN_SD0_DATA3, NULL);
179 gpio_request(GPIO_FN_SD0_CLK, NULL);
180 gpio_request(GPIO_FN_SD0_CMD, NULL);
181 gpio_request(GPIO_FN_SD0_CD, NULL);
182 gpio_request(GPIO_FN_SD1_DATA0, NULL);
183 gpio_request(GPIO_FN_SD1_DATA1, NULL);
184 gpio_request(GPIO_FN_SD1_DATA2, NULL);
185 gpio_request(GPIO_FN_SD1_DATA3, NULL);
186 gpio_request(GPIO_FN_SD1_CLK, NULL);
187 gpio_request(GPIO_FN_SD1_CMD, NULL);
188 gpio_request(GPIO_FN_SD1_CD, NULL);
191 gpio_request(GPIO_GP_2_26, NULL);
192 gpio_request(GPIO_GP_2_29, NULL);
193 gpio_direction_output(GPIO_GP_2_26, 1);
194 gpio_direction_output(GPIO_GP_2_29, 1);
196 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0,
197 SH_SDHI_QUIRK_16BIT_BUF);
202 gpio_request(GPIO_GP_4_26, NULL);
203 gpio_request(GPIO_GP_4_29, NULL);
204 gpio_direction_output(GPIO_GP_4_26, 1);
205 gpio_direction_output(GPIO_GP_4_29, 1);
207 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI1_BASE, 1, 0);
214 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
219 const struct rmobile_sysinfo sysinfo = {
220 CONFIG_ARCH_RMOBILE_BOARD_STRING
223 void reset_cpu(ulong addr)
227 i2c_set_bus_num(1); /* PowerIC connected to ch1 */
228 i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
230 i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
233 static const struct sh_serial_platdata serial_platdata = {
240 U_BOOT_DEVICE(alt_serials) = {
242 .platdata = &serial_platdata,