| /* |
| * board/renesas/salvator-x/salvator-x.c |
| * This file is Salvator-X board support. |
| * |
| * Copyright (C) 2015-2017 Renesas Electronics Corporation |
| * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <malloc.h> |
| #include <netdev.h> |
| #include <dm.h> |
| #include <dm/platform_data/serial_sh.h> |
| #include <asm/processor.h> |
| #include <asm/mach-types.h> |
| #include <asm/io.h> |
| #include <linux/errno.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/gpio.h> |
| #include <asm/arch/gpio.h> |
| #include <asm/arch/rmobile.h> |
| #include <asm/arch/rcar-mstp.h> |
| #include <asm/arch/sh_sdhi.h> |
| #include <i2c.h> |
| #include <mmc.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #define CPGWPCR 0xE6150904 |
| #define CPGWPR 0xE615090C |
| |
| #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); |
| |
| writel(0xA5A50000, CPGWPCR); |
| writel(0xFFFFFFFF, CPGWPR); |
| } |
| |
| #define GSX_MSTP112 BIT(12) /* 3DG */ |
| #define TMU0_MSTP125 BIT(25) /* secure */ |
| #define TMU1_MSTP124 BIT(24) /* non-secure */ |
| #define SCIF2_MSTP310 BIT(10) /* SCIF2 */ |
| #define ETHERAVB_MSTP812 BIT(12) |
| #define DVFS_MSTP926 BIT(26) |
| #define SD0_MSTP314 BIT(14) |
| #define SD1_MSTP313 BIT(13) |
| #define SD2_MSTP312 BIT(12) /* either MMC0 */ |
| #define SD3_MSTP311 BIT(11) /* either MMC1 */ |
| |
| #define SD0CKCR 0xE6150074 |
| #define SD1CKCR 0xE6150078 |
| #define SD2CKCR 0xE6150268 |
| #define SD3CKCR 0xE615026C |
| |
| int board_early_init_f(void) |
| { |
| /* TMU0,1 */ /* which use ? */ |
| mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125 | TMU1_MSTP124); |
| /* SCIF2 */ |
| mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SCIF2_MSTP310); |
| /* EHTERAVB */ |
| mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHERAVB_MSTP812); |
| /* eMMC */ |
| mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD1_MSTP313 | SD2_MSTP312); |
| /* SDHI0, 3 */ |
| mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD0_MSTP314 | SD3_MSTP311); |
| |
| writel(0, SD0CKCR); |
| writel(0, SD1CKCR); |
| writel(0, SD2CKCR); |
| writel(0, SD3CKCR); |
| |
| #if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH) |
| /* DVFS for reset */ |
| mstp_clrbits_le32(MSTPSR9, SMSTPCR9, DVFS_MSTP926); |
| #endif |
| return 0; |
| } |
| |
| /* SYSC */ |
| /* R/- 32 Power status register 2(3DG) */ |
| #define SYSC_PWRSR2 0xE6180100 |
| /* -/W 32 Power resume control register 2 (3DG) */ |
| #define SYSC_PWRONCR2 0xE618010C |
| |
| int board_init(void) |
| { |
| /* adress of boot parameters */ |
| gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000; |
| |
| /* Init PFC controller */ |
| r8a7795_pinmux_init(); |
| |
| /* GSX: force power and clock supply */ |
| writel(0x0000001F, SYSC_PWRONCR2); |
| while (readl(SYSC_PWRSR2) != 0x000003E0) |
| mdelay(20); |
| |
| mstp_clrbits_le32(MSTPSR1, SMSTPCR1, GSX_MSTP112); |
| |
| /* USB1 pull-up */ |
| setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN); |
| |
| #ifdef CONFIG_RAVB |
| /* EtherAVB Enable */ |
| /* GPSR2 */ |
| gpio_request(GPIO_GFN_AVB_AVTP_CAPTURE_A, NULL); |
| gpio_request(GPIO_GFN_AVB_AVTP_MATCH_A, NULL); |
| gpio_request(GPIO_GFN_AVB_LINK, NULL); |
| gpio_request(GPIO_GFN_AVB_PHY_INT, NULL); |
| gpio_request(GPIO_GFN_AVB_MAGIC, NULL); |
| gpio_request(GPIO_GFN_AVB_MDC, NULL); |
| |
| /* IPSR0 */ |
| gpio_request(GPIO_IFN_AVB_MDC, NULL); |
| gpio_request(GPIO_IFN_AVB_MAGIC, NULL); |
| gpio_request(GPIO_IFN_AVB_PHY_INT, NULL); |
| gpio_request(GPIO_IFN_AVB_LINK, NULL); |
| gpio_request(GPIO_IFN_AVB_AVTP_MATCH_A, NULL); |
| gpio_request(GPIO_IFN_AVB_AVTP_CAPTURE_A, NULL); |
| /* IPSR1 */ |
| gpio_request(GPIO_FN_AVB_AVTP_PPS, NULL); |
| /* IPSR2 */ |
| gpio_request(GPIO_FN_AVB_AVTP_MATCH_B, NULL); |
| /* IPSR3 */ |
| gpio_request(GPIO_FN_AVB_AVTP_CAPTURE_B, NULL); |
| |
| /* USB2_OVC */ |
| gpio_request(GPIO_GP_6_15, NULL); |
| gpio_direction_input(GPIO_GP_6_15); |
| |
| /* USB2_PWEN */ |
| gpio_request(GPIO_GP_6_14, NULL); |
| gpio_direction_output(GPIO_GP_6_14, 1); |
| gpio_set_value(GPIO_GP_6_14, 1); |
| |
| /* AVB_PHY_RST */ |
| gpio_request(GPIO_GP_2_10, NULL); |
| gpio_direction_output(GPIO_GP_2_10, 0); |
| mdelay(20); |
| gpio_set_value(GPIO_GP_2_10, 1); |
| udelay(1); |
| #endif |
| |
| return 0; |
| } |
| |
| static struct eth_pdata salvator_x_ravb_platdata = { |
| .iobase = 0xE6800000, |
| .phy_interface = 0, |
| .max_speed = 1000, |
| }; |
| |
| U_BOOT_DEVICE(salvator_x_ravb) = { |
| .name = "ravb", |
| .platdata = &salvator_x_ravb_platdata, |
| }; |
| |
| #ifdef CONFIG_SH_SDHI |
| int board_mmc_init(bd_t *bis) |
| { |
| int ret = -ENODEV; |
| |
| /* SDHI0 */ |
| gpio_request(GPIO_GFN_SD0_DAT0, NULL); |
| gpio_request(GPIO_GFN_SD0_DAT1, NULL); |
| gpio_request(GPIO_GFN_SD0_DAT2, NULL); |
| gpio_request(GPIO_GFN_SD0_DAT3, NULL); |
| gpio_request(GPIO_GFN_SD0_CLK, NULL); |
| gpio_request(GPIO_GFN_SD0_CMD, NULL); |
| gpio_request(GPIO_GFN_SD0_CD, NULL); |
| gpio_request(GPIO_GFN_SD0_WP, NULL); |
| |
| gpio_request(GPIO_GP_5_2, NULL); |
| gpio_request(GPIO_GP_5_1, NULL); |
| gpio_direction_output(GPIO_GP_5_2, 1); /* power on */ |
| gpio_direction_output(GPIO_GP_5_1, 1); /* 1: 3.3V, 0: 1.8V */ |
| |
| ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0, |
| SH_SDHI_QUIRK_64BIT_BUF); |
| if (ret) |
| return ret; |
| |
| /* SDHI1/SDHI2 eMMC */ |
| gpio_request(GPIO_GFN_SD1_DAT0, NULL); |
| gpio_request(GPIO_GFN_SD1_DAT1, NULL); |
| gpio_request(GPIO_GFN_SD1_DAT2, NULL); |
| gpio_request(GPIO_GFN_SD1_DAT3, NULL); |
| gpio_request(GPIO_GFN_SD2_DAT0, NULL); |
| gpio_request(GPIO_GFN_SD2_DAT1, NULL); |
| gpio_request(GPIO_GFN_SD2_DAT2, NULL); |
| gpio_request(GPIO_GFN_SD2_DAT3, NULL); |
| gpio_request(GPIO_GFN_SD2_CLK, NULL); |
| gpio_request(GPIO_GFN_SD2_CMD, NULL); |
| gpio_request(GPIO_GP_5_3, NULL); |
| gpio_request(GPIO_GP_5_9, NULL); |
| gpio_direction_output(GPIO_GP_5_3, 0); /* 1: 3.3V, 0: 1.8V */ |
| gpio_direction_output(GPIO_GP_5_9, 0); /* 1: 3.3V, 0: 1.8V */ |
| |
| ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI2_BASE, 1, |
| SH_SDHI_QUIRK_64BIT_BUF); |
| if (ret) |
| return ret; |
| |
| /* SDHI3 */ |
| gpio_request(GPIO_GFN_SD3_DAT0, NULL); /* GP_4_9 */ |
| gpio_request(GPIO_GFN_SD3_DAT1, NULL); /* GP_4_10 */ |
| gpio_request(GPIO_GFN_SD3_DAT2, NULL); /* GP_4_11 */ |
| gpio_request(GPIO_GFN_SD3_DAT3, NULL); /* GP_4_12 */ |
| gpio_request(GPIO_GFN_SD3_CLK, NULL); /* GP_4_7 */ |
| gpio_request(GPIO_GFN_SD3_CMD, NULL); /* GP_4_8 */ |
| /* IPSR10 */ |
| gpio_request(GPIO_FN_SD3_CD, NULL); |
| gpio_request(GPIO_FN_SD3_WP, NULL); |
| |
| gpio_request(GPIO_GP_3_15, NULL); |
| gpio_request(GPIO_GP_3_14, NULL); |
| gpio_direction_output(GPIO_GP_3_15, 1); /* power on */ |
| gpio_direction_output(GPIO_GP_3_14, 1); /* 1: 3.3V, 0: 1.8V */ |
| |
| ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI3_BASE, 2, |
| SH_SDHI_QUIRK_64BIT_BUF); |
| return ret; |
| } |
| #endif |
| |
| int dram_init(void) |
| { |
| gd->ram_size = PHYS_SDRAM_1_SIZE; |
| #if (CONFIG_NR_DRAM_BANKS >= 2) |
| gd->ram_size += PHYS_SDRAM_2_SIZE; |
| #endif |
| #if (CONFIG_NR_DRAM_BANKS >= 3) |
| gd->ram_size += PHYS_SDRAM_3_SIZE; |
| #endif |
| #if (CONFIG_NR_DRAM_BANKS >= 4) |
| gd->ram_size += PHYS_SDRAM_4_SIZE; |
| #endif |
| |
| return 0; |
| } |
| |
| int dram_init_banksize(void) |
| { |
| gd->bd->bi_dram[0].start = PHYS_SDRAM_1; |
| gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; |
| #if (CONFIG_NR_DRAM_BANKS >= 2) |
| gd->bd->bi_dram[1].start = PHYS_SDRAM_2; |
| gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; |
| #endif |
| #if (CONFIG_NR_DRAM_BANKS >= 3) |
| gd->bd->bi_dram[2].start = PHYS_SDRAM_3; |
| gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; |
| #endif |
| #if (CONFIG_NR_DRAM_BANKS >= 4) |
| gd->bd->bi_dram[3].start = PHYS_SDRAM_4; |
| gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; |
| #endif |
| return 0; |
| } |
| |
| const struct rmobile_sysinfo sysinfo = { |
| CONFIG_RCAR_BOARD_STRING |
| }; |
| |
| #define RST_BASE 0xE6160000 |
| #define RST_CA57RESCNT (RST_BASE + 0x40) |
| #define RST_CA53RESCNT (RST_BASE + 0x44) |
| #define RST_RSTOUTCR (RST_BASE + 0x58) |
| #define RST_CODE 0xA5A5000F |
| |
| void reset_cpu(ulong addr) |
| { |
| #if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH) |
| i2c_reg_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x20, 0x80); |
| #else |
| /* only CA57 ? */ |
| writel(RST_CODE, RST_CA57RESCNT); |
| #endif |
| } |
| |
| static const struct sh_serial_platdata serial_platdata = { |
| .base = SCIF2_BASE, |
| .type = PORT_SCIF, |
| .clk = CONFIG_SH_SCIF_CLK_FREQ, |
| .clk_mode = INT_CLK, |
| }; |
| |
| U_BOOT_DEVICE(salvator_x_scif2) = { |
| .name = "serial_sh", |
| .platdata = &serial_platdata, |
| }; |