2 * board/renesas/gose/gose.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>
26 DECLARE_GLOBAL_DATA_PTR;
28 #define CLK2MHZ(clk) (clk / 1000 / 1000)
31 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
32 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
36 writel(0xA5A5A500, &rwdt->rwtcsra);
37 writel(0xA5A5A500, &swdt->swtcsra);
39 /* CPU frequency setting. Set to 1.5GHz */
40 stc = ((1500 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1) << PLL0_STC_BIT;
41 clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);
47 #define TMU0_MSTP125 (1 << 25)
48 #define SCIF0_MSTP721 (1 << 21)
49 #define ETHER_MSTP813 (1 << 13)
51 int board_early_init_f(void)
54 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
57 mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);
60 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
65 #define PUPR5 0xE6060114
66 #define PUPR5_ETH 0x3FFC0000
67 #define PUPR5_ETH_MAGIC (1 << 27)
71 /* adress of boot parameters */
72 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
74 /* Init PFC controller */
75 r8a7793_pinmux_init();
78 gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
79 gpio_request(GPIO_FN_ETH_RX_ER, NULL);
80 gpio_request(GPIO_FN_ETH_RXD0, NULL);
81 gpio_request(GPIO_FN_ETH_RXD1, NULL);
82 gpio_request(GPIO_FN_ETH_LINK, NULL);
83 gpio_request(GPIO_FN_ETH_REFCLK, NULL);
84 gpio_request(GPIO_FN_ETH_MDIO, NULL);
85 gpio_request(GPIO_FN_ETH_TXD1, NULL);
86 gpio_request(GPIO_FN_ETH_TX_EN, NULL);
87 gpio_request(GPIO_FN_ETH_TXD0, NULL);
88 gpio_request(GPIO_FN_ETH_MDC, NULL);
89 gpio_request(GPIO_FN_IRQ0, NULL);
91 mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH & ~PUPR5_ETH_MAGIC);
92 gpio_request(GPIO_GP_5_22, NULL); /* PHY_RST */
93 mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH_MAGIC);
95 gpio_direction_output(GPIO_GP_5_22, 0);
97 gpio_set_value(GPIO_GP_5_22, 1);
103 #define CXR24 0xEE7003C0 /* MAC address high register */
104 #define CXR25 0xEE7003C8 /* MAC address low register */
106 int board_eth_init(bd_t *bis)
110 unsigned char enetaddr[6];
112 #ifdef CONFIG_SH_ETHER
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 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
136 const struct rmobile_sysinfo sysinfo = {
137 CONFIG_RMOBILE_BOARD_STRING
140 void reset_cpu(ulong addr)
144 i2c_set_bus_num(2); /* PowerIC connected to ch2 */
145 i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
147 i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
150 static const struct sh_serial_platdata serial_platdata = {
157 U_BOOT_DEVICE(gose_serials) = {
159 .platdata = &serial_platdata,