2 * board/renesas/alt/alt.c
4 * Copyright (C) 2014 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 <asm/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>
28 DECLARE_GLOBAL_DATA_PTR;
30 #define CLK2MHZ(clk) (clk / 1000 / 1000)
33 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
34 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
37 writel(0xA5A5A500, &rwdt->rwtcsra);
38 writel(0xA5A5A500, &swdt->swtcsra);
44 #define TMU0_MSTP125 (1 << 25)
45 #define SCIF2_MSTP719 (1 << 19)
46 #define ETHER_MSTP813 (1 << 13)
47 #define IIC1_MSTP323 (1 << 23)
48 #define MMC0_MSTP315 (1 << 15)
50 int board_early_init_f(void)
53 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
56 mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF2_MSTP719);
59 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
61 /* IIC1 / sh-i2c ch1 */
62 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, IIC1_MSTP323);
64 #ifdef CONFIG_SH_MMCIF
66 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC0_MSTP315);
73 /* adress of boot parameters */
74 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
76 /* Init PFC controller */
77 r8a7794_pinmux_init();
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);
95 gpio_request(GPIO_GP_1_24, NULL);
96 gpio_direction_output(GPIO_GP_1_24, 0);
98 gpio_set_value(GPIO_GP_1_24, 1);
104 #define CXR24 0xEE7003C0 /* MAC address high register */
105 #define CXR25 0xEE7003C8 /* MAC address low register */
106 int board_eth_init(bd_t *bis)
108 #ifdef CONFIG_SH_ETHER
111 unsigned char enetaddr[6];
113 ret = sh_eth_initialize(bis);
114 if (!eth_getenv_enetaddr("ethaddr", enetaddr))
117 /* Set Mac address */
118 val = enetaddr[0] << 24 | enetaddr[1] << 16 |
119 enetaddr[2] << 8 | enetaddr[3];
122 val = enetaddr[4] << 8 | enetaddr[5];
131 int board_mmc_init(bd_t *bis)
135 #ifdef CONFIG_SH_MMCIF
136 gpio_request(GPIO_GP_4_31, NULL);
137 gpio_set_value(GPIO_GP_4_31, 1);
139 ret = mmcif_mmc_init();
146 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
151 const struct rmobile_sysinfo sysinfo = {
152 CONFIG_RMOBILE_BOARD_STRING
155 void reset_cpu(ulong addr)
159 i2c_set_bus_num(1); /* PowerIC connected to ch1 */
160 i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
162 i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
165 static const struct sh_serial_platdata serial_platdata = {
172 U_BOOT_DEVICE(alt_serials) = {
174 .platdata = &serial_platdata,