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Diffstat (limited to 'board/renesas/silk/silk.c')
| -rw-r--r-- | board/renesas/silk/silk.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/board/renesas/silk/silk.c b/board/renesas/silk/silk.c new file mode 100644 index 0000000..8818211 --- /dev/null +++ b/board/renesas/silk/silk.c @@ -0,0 +1,175 @@ +/* + * board/renesas/silk/silk.c + * + * Copyright (C) 2015 Renesas Electronics Corporation + * Copyright (C) 2015 Cogent Embedded, Inc. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <malloc.h> +#include <asm/processor.h> +#include <asm/mach-types.h> +#include <asm/io.h> +#include <asm/errno.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/arch/rmobile.h> +#include <asm/arch/rcar-mstp.h> +#include <asm/arch/mmc.h> +#include <netdev.h> +#include <miiphy.h> +#include <i2c.h> +#include <div64.h> +#include "qos.h" + +DECLARE_GLOBAL_DATA_PTR; + +#define CLK2MHZ(clk) (clk / 1000 / 1000) +void s_init(void) +{ + struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE; + struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE; + + /* Watchdog init */ + writel(0xA5A5A500, &rwdt->rwtcsra); + writel(0xA5A5A500, &swdt->swtcsra); + + /* QoS */ + qos_init(); + +#ifndef CONFIG_DCACHE_OFF + /* + * The caches are disabled when ACTLR.SMP is set to 0 + * regardless of the value of the SCTLR.C (cache enable bit) + * on Cortex-A7 MPCore + */ + asm volatile( + "mrc 15, 0, r0, c1, c0, 1\n" /* read ACTLR */ + "orr r0, r0, #(1 << 6)\n" /* set ACTLR.SMP bit */ + "mcr p15, 0, r0, c1, c0, 1\n"); /* write ACTLR */ +#endif +} + +#define TMU0_MSTP125 (1 << 25) +#define SCIF2_MSTP719 (1 << 19) +#define ETHER_MSTP813 (1 << 13) +#define IIC1_MSTP323 (1 << 23) +#define MMC0_MSTP315 (1 << 15) + +int board_early_init_f(void) +{ + /* TMU */ + mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125); + + /* SCIF2 */ + mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF2_MSTP719); + + /* ETHER */ + mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813); + + /* IIC1 / sh-i2c ch1 */ + mstp_clrbits_le32(MSTPSR3, SMSTPCR3, IIC1_MSTP323); + +#ifdef CONFIG_SH_MMCIF + /* MMC */ + mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC0_MSTP315); +#endif + return 0; +} + +int board_init(void) +{ + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + /* Init PFC controller */ + r8a7794_pinmux_init(); + + /* Ether Enable */ + gpio_request(GPIO_FN_ETH_CRS_DV, NULL); + gpio_request(GPIO_FN_ETH_RX_ER, NULL); + gpio_request(GPIO_FN_ETH_RXD0, NULL); + gpio_request(GPIO_FN_ETH_RXD1, NULL); + gpio_request(GPIO_FN_ETH_LINK, NULL); + gpio_request(GPIO_FN_ETH_REFCLK, NULL); + gpio_request(GPIO_FN_ETH_MDIO, NULL); + gpio_request(GPIO_FN_ETH_TXD1, NULL); + gpio_request(GPIO_FN_ETH_TX_EN, NULL); + gpio_request(GPIO_FN_ETH_MAGIC, NULL); + gpio_request(GPIO_FN_ETH_TXD0, NULL); + gpio_request(GPIO_FN_ETH_MDC, NULL); + gpio_request(GPIO_FN_IRQ8, NULL); + + /* PHY reset */ + gpio_request(GPIO_GP_1_24, NULL); + gpio_direction_output(GPIO_GP_1_24, 0); + mdelay(20); + gpio_set_value(GPIO_GP_1_24, 1); + udelay(1); + + return 0; +} + +#define CXR24 0xEE7003C0 /* MAC address high register */ +#define CXR25 0xEE7003C8 /* MAC address low register */ +int board_eth_init(bd_t *bis) +{ +#ifdef CONFIG_SH_ETHER + int ret = -ENODEV; + u32 val; + unsigned char enetaddr[6]; + + ret = sh_eth_initialize(bis); + if (!eth_getenv_enetaddr("ethaddr", enetaddr)) + return ret; + + /* Set Mac address */ + val = enetaddr[0] << 24 | enetaddr[1] << 16 | + enetaddr[2] << 8 | enetaddr[3]; + writel(val, CXR24); + + val = enetaddr[4] << 8 | enetaddr[5]; + writel(val, CXR25); + + return ret; +#else + return 0; +#endif +} + +int board_mmc_init(bd_t *bis) +{ + int ret = 0; + +#ifdef CONFIG_SH_MMCIF + /* MMC0 */ + gpio_request(GPIO_GP_4_31, NULL); + gpio_set_value(GPIO_GP_4_31, 1); + + ret = mmcif_mmc_init(); +#endif + return ret; +} + +int dram_init(void) +{ + gd->ram_size = CONFIG_SYS_SDRAM_SIZE; + + return 0; +} + +const struct rmobile_sysinfo sysinfo = { + CONFIG_RMOBILE_BOARD_STRING +}; + +void reset_cpu(ulong addr) +{ + u8 val; + + i2c_set_bus_num(1); /* PowerIC connected to ch1 */ + i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1); + val |= 0x02; + i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1); +} |