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Diffstat (limited to 'board/renesas/ulcb/ulcb.c')
| -rw-r--r-- | board/renesas/ulcb/ulcb.c | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/board/renesas/ulcb/ulcb.c b/board/renesas/ulcb/ulcb.c new file mode 100644 index 0000000..4005ec8 --- /dev/null +++ b/board/renesas/ulcb/ulcb.c @@ -0,0 +1,257 @@ +/* + * board/renesas/ulcb/ulcb.c + * This file is ULCB board support. + * + * Copyright (C) 2017 Renesas Electronics Corporation + * + * 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 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 */ + mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD0_MSTP314); + + 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 */ +#if defined(CONFIG_R8A7795) + r8a7795_pinmux_init(); +#elif defined(CONFIG_R8A7796) + r8a7796_pinmux_init(); +#endif + + /* 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); + + /* 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); +#if defined(CONFIG_R8A7795) + gpio_request(GPIO_GFN_SD2_CMD, NULL); +#elif defined(CONFIG_R8A7796) + gpio_request(GPIO_FN_SD2_CMD, NULL); +#else +#error Only R8A7795 and R87796 is supported +#endif + 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); + + 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 +}; + +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, +}; |