/* * (C) Copyright 2012-2013 Henrik Nordstrom * (C) Copyright 2013 Luke Kenneth Casson Leighton * * (C) Copyright 2007-2011 * Allwinner Technology Co., Ltd. * Tom Cubie * * Some board init for the Allwinner A10-evb board. * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #include #include #include #include #include #include #ifndef CONFIG_ARM64 #include #endif #include #include #include #include #include #include #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; #if defined CONFIG_VIDEO_LCD_PANEL_I2C && !(defined CONFIG_SPL_BUILD) /* So that we can use pin names in Kconfig and sunxi_name_to_gpio() */ int soft_i2c_gpio_sda; int soft_i2c_gpio_scl; static int soft_i2c_board_init(void) { int ret; soft_i2c_gpio_sda = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_PANEL_I2C_SDA); if (soft_i2c_gpio_sda < 0) { printf("Error invalid soft i2c sda pin: '%s', err %d\n", CONFIG_VIDEO_LCD_PANEL_I2C_SDA, soft_i2c_gpio_sda); return soft_i2c_gpio_sda; } ret = gpio_request(soft_i2c_gpio_sda, "soft-i2c-sda"); if (ret) { printf("Error requesting soft i2c sda pin: '%s', err %d\n", CONFIG_VIDEO_LCD_PANEL_I2C_SDA, ret); return ret; } soft_i2c_gpio_scl = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_PANEL_I2C_SCL); if (soft_i2c_gpio_scl < 0) { printf("Error invalid soft i2c scl pin: '%s', err %d\n", CONFIG_VIDEO_LCD_PANEL_I2C_SCL, soft_i2c_gpio_scl); return soft_i2c_gpio_scl; } ret = gpio_request(soft_i2c_gpio_scl, "soft-i2c-scl"); if (ret) { printf("Error requesting soft i2c scl pin: '%s', err %d\n", CONFIG_VIDEO_LCD_PANEL_I2C_SCL, ret); return ret; } return 0; } #else static int soft_i2c_board_init(void) { return 0; } #endif static int setup_led(void) { #if defined(CONFIG_LED) struct udevice *dev; char *led_name; int ret; led_name = fdtdec_get_config_string(gd->fdt_blob, "u-boot,boot-led"); if (!led_name) { debug("%s: 'u-boot,boot-led' not defined\n", __func__); return 0; } ret = led_get_by_label(led_name, &dev); if (ret) { debug("%s: get=%d\n", __func__, ret); return ret; } ret = led_set_on(dev, 1); if (ret) return ret; #endif return 0; } /* add board specific code here */ int board_init(void) { __maybe_unused int id_pfr1, ret; int __maybe_unused offset; gd->bd->bi_boot_params = (PHYS_SDRAM_0 + 0x100); #if defined(CONFIG_CLK) /* Sunxi device trees have their clock definitions in a tree * below /clocks, which is a node without a compatible-string. * We need to manually locate it and scan its subnodes. */ offset = fdt_path_offset(gd->fdt_blob, "/clocks"); if (offset > 0) dm_scan_fdt_node(gd->dm_root, gd->fdt_blob, offset, false); #endif #ifndef CONFIG_ARM64 asm volatile("mrc p15, 0, %0, c0, c1, 1" : "=r"(id_pfr1)); debug("id_pfr1: 0x%08x\n", id_pfr1); /* Generic Timer Extension available? */ if ((id_pfr1 >> CPUID_ARM_GENTIMER_SHIFT) & 0xf) { uint32_t freq; debug("Setting CNTFRQ\n"); /* * CNTFRQ is a secure register, so we will crash if we try to * write this from the non-secure world (read is OK, though). * In case some bootcode has already set the correct value, * we avoid the risk of writing to it. */ asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r"(freq)); if (freq != CONFIG_TIMER_CLK_FREQ) { debug("arch timer frequency is %d Hz, should be %d, fixing ...\n", freq, CONFIG_TIMER_CLK_FREQ); #ifdef CONFIG_NON_SECURE printf("arch timer frequency is wrong, but cannot adjust it\n"); #else asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r"(CONFIG_TIMER_CLK_FREQ)); #endif } } #endif /* !CONFIG_ARM64 */ sunxi_gpio_set_cfgpin(SUNXI_GPG(10), SUN6I_GPG_USB3); sunxi_gpio_set_cfgpin(SUNXI_GPG(11), SUN6I_GPG_USB3); #if defined(CONFIG_SUNXI_PANGOLIN) gpio_request(SUNXI_GPC(3), "STM32 Boot0"); sunxi_gpio_set_cfgpin(SUNXI_GPC(3), SUNXI_GPIO_OUTPUT); gpio_request(SUNXI_GPC(26), "STM32 Reset"); sunxi_gpio_set_cfgpin(SUNXI_GPC(26), SUNXI_GPIO_OUTPUT); #if !defined(CONFIG_DM_GPIO) gpio_request(SUNXI_GPA(7), "PHY Reset"); sunxi_gpio_set_cfgpin(SUNXI_GPA(7), SUNXI_GPIO_OUTPUT); gpio_direction_output(SUNXI_GPA(7), 0); #endif gpio_direction_output(SUNXI_GPC(3), 0); gpio_direction_output(SUNXI_GPC(26), 0); mdelay(10); gpio_direction_output(SUNXI_GPC(26), 1); #if !defined(CONFIG_DM_GPIO) gpio_direction_output(SUNXI_GPA(7), 1); #endif #endif setup_led(); ret = axp_gpio_init(); if (ret) return ret; #ifdef CONFIG_SATAPWR gpio_request(CONFIG_SATAPWR, "satapwr"); gpio_direction_output(CONFIG_SATAPWR, 1); #endif #ifdef CONFIG_MACPWR gpio_request(CONFIG_MACPWR, "macpwr"); gpio_direction_output(CONFIG_MACPWR, 1); #endif /* Uses dm gpio code so do this here and not in i2c_init_board() */ return soft_i2c_board_init(); } int dram_init(void) { gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0, PHYS_SDRAM_0_SIZE); return 0; } #if defined(CONFIG_NAND_SUNXI) static void nand_pinmux_setup(void) { unsigned int pin; for (pin = SUNXI_GPC(0); pin <= SUNXI_GPC(19); pin++) sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND); #if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN7I for (pin = SUNXI_GPC(20); pin <= SUNXI_GPC(22); pin++) sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND); #endif /* sun4i / sun7i do have a PC23, but it is not used for nand, * only sun7i has a PC24 */ #ifdef CONFIG_MACH_SUN7I sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_NAND); #endif } static void nand_clock_setup(void) { struct sunxi_ccm_reg *const ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; setbits_le32(&ccm->ahb_gate0, (CLK_GATE_OPEN << AHB_GATE_OFFSET_NAND0)); #ifdef CONFIG_MACH_SUN9I setbits_le32(&ccm->ahb_gate1, (1 << AHB_GATE_OFFSET_DMA)); #else setbits_le32(&ccm->ahb_gate0, (1 << AHB_GATE_OFFSET_DMA)); #endif setbits_le32(&ccm->nand0_clk_cfg, CCM_NAND_CTRL_ENABLE | AHB_DIV_1); } void board_nand_init(void) { nand_pinmux_setup(); nand_clock_setup(); #ifndef CONFIG_SPL_BUILD sunxi_nand_init(); #endif } #endif #if defined(CONFIG_GENERIC_MMC) && !(defined(CONFIG_DM_MMC) && defined(CONFIG_PINCTRL)) static void mmc_pinmux_setup(int sdc) { unsigned int pin; __maybe_unused int pins; switch (sdc) { case 0: /* SDC0: PF0-PF5 */ for (pin = SUNXI_GPF(0); pin <= SUNXI_GPF(5); pin++) { sunxi_gpio_set_cfgpin(pin, SUNXI_GPF_SDC0); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } break; case 1: pins = sunxi_name_to_gpio_bank(CONFIG_MMC1_PINS); #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) if (pins == SUNXI_GPIO_H) { /* SDC1: PH22-PH-27 */ for (pin = SUNXI_GPH(22); pin <= SUNXI_GPH(27); pin++) { sunxi_gpio_set_cfgpin(pin, SUN4I_GPH_SDC1); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } } else { /* SDC1: PG0-PG5 */ for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) { sunxi_gpio_set_cfgpin(pin, SUN4I_GPG_SDC1); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } } #elif defined(CONFIG_MACH_SUN5I) /* SDC1: PG3-PG8 */ for (pin = SUNXI_GPG(3); pin <= SUNXI_GPG(8); pin++) { sunxi_gpio_set_cfgpin(pin, SUN5I_GPG_SDC1); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } #elif defined(CONFIG_MACH_SUN6I) /* SDC1: PG0-PG5 */ for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) { sunxi_gpio_set_cfgpin(pin, SUN6I_GPG_SDC1); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } #elif defined(CONFIG_MACH_SUN8I) if (pins == SUNXI_GPIO_D) { /* SDC1: PD2-PD7 */ for (pin = SUNXI_GPD(2); pin <= SUNXI_GPD(7); pin++) { sunxi_gpio_set_cfgpin(pin, SUN8I_GPD_SDC1); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } } else { /* SDC1: PG0-PG5 */ for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) { sunxi_gpio_set_cfgpin(pin, SUN8I_GPG_SDC1); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } } #endif break; case 2: pins = sunxi_name_to_gpio_bank(CONFIG_MMC2_PINS); #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) /* SDC2: PC6-PC11 */ for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(11); pin++) { sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } #elif defined(CONFIG_MACH_SUN5I) if (pins == SUNXI_GPIO_E) { /* SDC2: PE4-PE9 */ for (pin = SUNXI_GPE(4); pin <= SUNXI_GPD(9); pin++) { sunxi_gpio_set_cfgpin(pin, SUN5I_GPE_SDC2); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } } else { /* SDC2: PC6-PC15 */ for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) { sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } } #elif defined(CONFIG_MACH_SUN6I) if (pins == SUNXI_GPIO_A) { /* SDC2: PA9-PA14 */ for (pin = SUNXI_GPA(9); pin <= SUNXI_GPA(14); pin++) { sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_SDC2); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } } else { /* SDC2: PC6-PC15, PC24 */ for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) { sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_SDC2); sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(SUNXI_GPC(24), 2); } #elif defined(CONFIG_MACH_SUN8I) || defined(CONFIG_MACH_SUN50I) /* SDC2: PC5-PC6, PC8-PC16 */ for (pin = SUNXI_GPC(5); pin <= SUNXI_GPC(6); pin++) { sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } for (pin = SUNXI_GPC(8); pin <= SUNXI_GPC(16); pin++) { sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } #elif defined(CONFIG_MACH_SUN9I) /* SDC2: PC6-PC16 */ for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(16); pin++) { sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } #endif break; case 3: pins = sunxi_name_to_gpio_bank(CONFIG_MMC3_PINS); #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) /* SDC3: PI4-PI9 */ for (pin = SUNXI_GPI(4); pin <= SUNXI_GPI(9); pin++) { sunxi_gpio_set_cfgpin(pin, SUNXI_GPI_SDC3); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } #elif defined(CONFIG_MACH_SUN6I) if (pins == SUNXI_GPIO_A) { /* SDC3: PA9-PA14 */ for (pin = SUNXI_GPA(9); pin <= SUNXI_GPA(14); pin++) { sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_SDC3); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } } else { /* SDC3: PC6-PC15, PC24 */ for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) { sunxi_gpio_set_cfgpin(pin, SUN6I_GPC_SDC3); sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(pin, 2); } sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUN6I_GPC_SDC3); sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(SUNXI_GPC(24), 2); } #endif break; default: printf("sunxi: invalid MMC slot %d for pinmux setup\n", sdc); break; } } int board_mmc_init(bd_t *bis) { #if !(defined(CONFIG_DM_MMC) && defined(CONFIG_PINCTRL)) __maybe_unused struct mmc *mmc0, *mmc1; __maybe_unused char buf[512]; __maybe_unused u32 val; mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT); mmc0 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT); if (!mmc0) return -1; #if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1 mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA); mmc1 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT_EXTRA); if (!mmc1) return -1; #endif #if !defined(CONFIG_SPL_BUILD) && CONFIG_MMC_SUNXI_SLOT_EXTRA == 2 #if CONFIG_MACH_SUN6I /* * the bootdevice is shown in VER_REG in the system controller * if U_boot is set then the ROM trys to boot from mmc0 regardless * of the BOOT_SEL pins. */ #if 0 val = readl(0x1c00024); if ((val & (1<<10))) /* check UBOOT_SEL */ { switch((val & (3<<8))>>8) /* check BOOT_SEL pins */ { case 0x0: /* SPI0 boot */ break; case 0x1: /* eMMC2 boot */ /* Check if there is a boot loader on eMMC2 * If not we want to fall back to SD card */ if (mmc_init(mmc1) == 0 && mmc1->block_dev.block_read(&mmc1->block_dev, 16, 1, buf) == 1) { buf[12] = 0; if (strcmp(&buf[4], "eGON.BT0") == 0) { /* Boot loader found, swap to make eMMC the first device */ mmc0->block_dev.devnum = 1; mmc1->block_dev.devnum = 0; } } break; case 0x2: /* SDC2 boot */ break; case 0x3: /* NAND Flash boot */ break; } } #endif #else /* * On systems with an emmc (mmc2), figure out if we are booting from * the emmc and if we are make it "mmc dev 0" so that boot.scr, etc. * are searched there first. Note we only do this for u-boot proper, * not for the SPL, see spl_boot_device(). */ if (readb(SPL_ADDR + 0x28) == SUNXI_BOOTED_FROM_MMC2) { /* Booting from emmc / mmc2, swap */ mmc0->block_dev.devnum = 1; mmc1->block_dev.devnum = 0; } #endif #endif #endif return 0; } #endif void i2c_init_board(void) { #ifdef CONFIG_I2C0_ENABLE #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN5I) || defined(CONFIG_MACH_SUN7I) sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUN4I_GPB_TWI0); sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUN4I_GPB_TWI0); clock_twi_onoff(0, 1); #elif defined(CONFIG_MACH_SUN6I) sunxi_gpio_set_cfgpin(SUNXI_GPH(14), SUN6I_GPH_TWI0); sunxi_gpio_set_cfgpin(SUNXI_GPH(15), SUN6I_GPH_TWI0); clock_twi_onoff(0, 1); #elif defined(CONFIG_MACH_SUN8I) sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN8I_GPH_TWI0); sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN8I_GPH_TWI0); clock_twi_onoff(0, 1); #elif defined(CONFIG_MACH_SUN50I) sunxi_gpio_set_cfgpin(SUNXI_GPH(0), SUN50I_GPH_TWI0); sunxi_gpio_set_cfgpin(SUNXI_GPH(1), SUN50I_GPH_TWI0); /* The A64-uQ7 doesn't have external pull-ups for I2C[01]. */ sunxi_gpio_set_pull(SUNXI_GPH(0), SUNXI_GPIO_PULL_UP); sunxi_gpio_set_pull(SUNXI_GPH(1), SUNXI_GPIO_PULL_UP); clock_twi_onoff(0, 1); #endif #endif #ifdef CONFIG_I2C1_ENABLE #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN4I_GPB_TWI1); sunxi_gpio_set_cfgpin(SUNXI_GPB(19), SUN4I_GPB_TWI1); clock_twi_onoff(1, 1); #elif defined(CONFIG_MACH_SUN5I) sunxi_gpio_set_cfgpin(SUNXI_GPB(15), SUN5I_GPB_TWI1); sunxi_gpio_set_cfgpin(SUNXI_GPB(16), SUN5I_GPB_TWI1); clock_twi_onoff(1, 1); #elif defined(CONFIG_MACH_SUN6I) sunxi_gpio_set_cfgpin(SUNXI_GPH(16), SUN6I_GPH_TWI1); sunxi_gpio_set_cfgpin(SUNXI_GPH(17), SUN6I_GPH_TWI1); clock_twi_onoff(1, 1); #elif defined(CONFIG_MACH_SUN8I) sunxi_gpio_set_cfgpin(SUNXI_GPH(4), SUN8I_GPH_TWI1); sunxi_gpio_set_cfgpin(SUNXI_GPH(5), SUN8I_GPH_TWI1); clock_twi_onoff(1, 1); #elif defined(CONFIG_MACH_SUN50I) sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN50I_GPH_TWI1); sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN50I_GPH_TWI1); /* The A64-uQ7 doesn't have external pull-ups for I2C[01]. */ sunxi_gpio_set_pull(SUNXI_GPH(2), SUNXI_GPIO_PULL_UP); sunxi_gpio_set_pull(SUNXI_GPH(3), SUNXI_GPIO_PULL_UP); clock_twi_onoff(1, 1); #endif #endif #ifdef CONFIG_I2C2_ENABLE #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) sunxi_gpio_set_cfgpin(SUNXI_GPB(20), SUN4I_GPB_TWI2); sunxi_gpio_set_cfgpin(SUNXI_GPB(21), SUN4I_GPB_TWI2); clock_twi_onoff(2, 1); #elif defined(CONFIG_MACH_SUN5I) sunxi_gpio_set_cfgpin(SUNXI_GPB(17), SUN5I_GPB_TWI2); sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN5I_GPB_TWI2); clock_twi_onoff(2, 1); #elif defined(CONFIG_MACH_SUN6I) sunxi_gpio_set_cfgpin(SUNXI_GPH(18), SUN6I_GPH_TWI2); sunxi_gpio_set_cfgpin(SUNXI_GPH(19), SUN6I_GPH_TWI2); clock_twi_onoff(2, 1); #elif defined(CONFIG_MACH_SUN8I) sunxi_gpio_set_cfgpin(SUNXI_GPE(12), SUN8I_GPE_TWI2); sunxi_gpio_set_cfgpin(SUNXI_GPE(13), SUN8I_GPE_TWI2); clock_twi_onoff(2, 1); #elif defined(CONFIG_MACH_SUN50I) sunxi_gpio_set_cfgpin(SUNXI_GPE(14), SUN50I_GPE_TWI2); sunxi_gpio_set_cfgpin(SUNXI_GPE(15), SUN50I_GPE_TWI2); clock_twi_onoff(2, 1); #endif #endif #ifdef CONFIG_I2C3_ENABLE #if defined(CONFIG_MACH_SUN6I) && !defined(CONFIG_SUNXI_PANGOLIN) sunxi_gpio_set_cfgpin(SUNXI_GPG(10), SUN6I_GPG_TWI3); sunxi_gpio_set_cfgpin(SUNXI_GPG(11), SUN6I_GPG_TWI3); clock_twi_onoff(3, 1); #elif defined(CONFIG_MACH_SUN6I) && defined(CONFIG_SUNXI_PANGOLIN) sunxi_gpio_set_cfgpin(SUNXI_GPB(6), SUN6I_GPB_TWI3); sunxi_gpio_set_cfgpin(SUNXI_GPB(5), SUN6I_GPB_TWI3); clock_twi_onoff(3, 1); #elif defined(CONFIG_MACH_SUN7I) sunxi_gpio_set_cfgpin(SUNXI_GPI(0), SUN7I_GPI_TWI3); sunxi_gpio_set_cfgpin(SUNXI_GPI(1), SUN7I_GPI_TWI3); clock_twi_onoff(3, 1); #endif #endif #ifdef CONFIG_I2C4_ENABLE #if defined(CONFIG_MACH_SUN7I) sunxi_gpio_set_cfgpin(SUNXI_GPI(2), SUN7I_GPI_TWI4); sunxi_gpio_set_cfgpin(SUNXI_GPI(3), SUN7I_GPI_TWI4); clock_twi_onoff(4, 1); #endif #endif #if defined(CONFIG_R_I2C_ENABLE) #if defined(CONFIG_MACH_SUN50I) clock_twi_onoff(5, 1); sunxi_gpio_set_cfgpin(SUNXI_GPL(8), SUN50I_GPL_R_TWI); sunxi_gpio_set_cfgpin(SUNXI_GPL(9), SUN50I_GPL_R_TWI); /* The A64-uQ7 doesn't have external pull-ups for R_I2C. */ sunxi_gpio_set_pull(SUNXI_GPL(8), SUNXI_GPIO_PULL_UP); sunxi_gpio_set_pull(SUNXI_GPL(9), SUNXI_GPIO_PULL_UP); #else clock_twi_onoff(5, 1); sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_H3_GPL_R_TWI); sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_H3_GPL_R_TWI); #endif #endif } #ifdef CONFIG_SPL_BUILD void sunxi_board_init(void) { int power_failed = 0; unsigned long ramsize; #ifdef CONFIG_SY8106A_POWER power_failed = sy8106a_set_vout1(CONFIG_SY8106A_VOUT1_VOLT); #endif #if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER || \ defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \ defined CONFIG_AXP818_POWER power_failed = axp_init(); #if CONFIG_AXP221_POWER && defined(CONFIG_SUNXI_PANGOLIN) /* Enable ATX power supply */ gpio_request(SUNXI_GPM(4), "SUS3"); sunxi_gpio_set_cfgpin(SUNXI_GPM(4),SUNXI_GPIO_OUTPUT); gpio_direction_output(SUNXI_GPM(4),1); /* Force VBUS power path disable current limit*/ power_failed |= axp221_write(0x30,0xE6); /* wait for ATX power to be stable */ gpio_request(SUNXI_GPM(6),"PWGIN"); sunxi_gpio_set_cfgpin(SUNXI_GPM(6),SUNXI_GPIO_INPUT); while(gpio_get_value(SUNXI_GPM(6))==0) { mdelay(100); } mdelay(500); /* let the power supply settle */ power_failed |= axp221_write(0x8f,0x41); /* AC-VBUS shorten */ power_failed |= axp221_write(0x30,0x62); /* disable force VBUS */ #endif #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \ defined CONFIG_AXP818_POWER power_failed |= axp_set_dcdc1(CONFIG_AXP_DCDC1_VOLT); #endif power_failed |= axp_set_dcdc2(CONFIG_AXP_DCDC2_VOLT); power_failed |= axp_set_dcdc3(CONFIG_AXP_DCDC3_VOLT); #if !defined(CONFIG_AXP209_POWER) && !defined(CONFIG_AXP818_POWER) power_failed |= axp_set_dcdc4(CONFIG_AXP_DCDC4_VOLT); #endif #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \ defined CONFIG_AXP818_POWER power_failed |= axp_set_dcdc5(CONFIG_AXP_DCDC5_VOLT); #endif #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \ defined CONFIG_AXP818_POWER power_failed |= axp_set_aldo1(CONFIG_AXP_ALDO1_VOLT); #endif power_failed |= axp_set_aldo2(CONFIG_AXP_ALDO2_VOLT); #if !defined(CONFIG_AXP152_POWER) power_failed |= axp_set_aldo3(CONFIG_AXP_ALDO3_VOLT); #endif #ifdef CONFIG_AXP209_POWER power_failed |= axp_set_aldo4(CONFIG_AXP_ALDO4_VOLT); power_failed |= axp209_init(); power_failed |= axp209_set_dcdc2(1400); power_failed |= axp209_set_dcdc3(1250); power_failed |= axp209_set_ldo2(3000); power_failed |= axp209_set_ldo3(2800); power_failed |= axp209_set_ldo4(2800); #endif #if defined(CONFIG_AXP221_POWER) || defined(CONFIG_AXP809_POWER) || \ defined(CONFIG_AXP818_POWER) power_failed |= axp_set_dldo(1, CONFIG_AXP_DLDO1_VOLT); power_failed |= axp_set_dldo(2, CONFIG_AXP_DLDO2_VOLT); #if !defined CONFIG_AXP809_POWER power_failed |= axp_set_dldo(3, CONFIG_AXP_DLDO3_VOLT); power_failed |= axp_set_dldo(4, CONFIG_AXP_DLDO4_VOLT); #endif power_failed |= axp_set_eldo(1, CONFIG_AXP_ELDO1_VOLT); power_failed |= axp_set_eldo(2, CONFIG_AXP_ELDO2_VOLT); power_failed |= axp_set_eldo(3, CONFIG_AXP_ELDO3_VOLT); #endif #ifdef CONFIG_AXP818_POWER power_failed |= axp_set_fldo(1, CONFIG_AXP_FLDO1_VOLT); power_failed |= axp_set_fldo(2, CONFIG_AXP_FLDO2_VOLT); power_failed |= axp_set_fldo(3, CONFIG_AXP_FLDO3_VOLT); #endif #if defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER power_failed |= axp_set_sw(IS_ENABLED(CONFIG_AXP_SW_ON)); #endif #endif printf("DRAM:"); ramsize = sunxi_dram_init(); printf(" %d MiB\n", (int)(ramsize >> 20)); if (!ramsize) hang(); /* * Only clock up the CPU to full speed if we are reasonably * assured it's being powered with suitable core voltage */ if (!power_failed) clock_set_pll1(CONFIG_SYS_CLK_FREQ); else printf("Failed to set core voltage! Can't set CPU frequency\n"); } #endif #ifdef CONFIG_USB_GADGET int g_dnl_board_usb_cable_connected(void) { return sunxi_usb_phy_vbus_detect(0); } #endif #ifdef CONFIG_SERIAL_TAG void get_board_serial(struct tag_serialnr *serialnr) { char *serial_string; unsigned long long serial; serial_string = getenv("serial#"); if (serial_string) { serial = simple_strtoull(serial_string, NULL, 16); serialnr->high = (unsigned int) (serial >> 32); serialnr->low = (unsigned int) (serial & 0xffffffff); } else { serialnr->high = 0; serialnr->low = 0; } } #endif /* * Check the SPL header for the "sunxi" variant. If found: parse values * that might have been passed by the loader ("fel" utility), and update * the environment accordingly. */ static void parse_spl_header(const uint32_t spl_addr) { struct boot_file_head *spl = (void *)(ulong)spl_addr; if (memcmp(spl->spl_signature, SPL_SIGNATURE, 3) != 0) return; /* signature mismatch, no usable header */ uint8_t spl_header_version = spl->spl_signature[3]; if (spl_header_version != SPL_HEADER_VERSION) { printf("sunxi SPL version mismatch: expected %u, got %u\n", SPL_HEADER_VERSION, spl_header_version); return; } if (!spl->fel_script_address) return; if (spl->fel_uEnv_length != 0) { /* * data is expected in uEnv.txt compatible format, so "env * import -t" the string(s) at fel_script_address right away. */ himport_r(&env_htab, (char *)(uintptr_t)spl->fel_script_address, spl->fel_uEnv_length, '\n', H_NOCLEAR, 0, 0, NULL); return; } /* otherwise assume .scr format (mkimage-type script) */ setenv_hex("fel_scriptaddr", spl->fel_script_address); } #ifdef CONFIG_MISC_INIT_R #if !defined(CONFIG_SUNXI_PANGOLIN) /* * Note this function gets called multiple times. * It must not make any changes to env variables which already exist. */ static void setup_environment(const void *fdt) { int ret; int i; char serial_string[17] = { 0 }; char ethaddr[16] = { 0 }; uint8_t mac_addr[6]; unsigned int sid[4]; ret = sunxi_get_sid(sid); if (ret == 0 && sid[0] != 0) { /* * The single words 1 - 3 of the SID have quite a few bits * which are the same on many models, so we take a crc32 * of all 3 words, to get a more unique value. * * Note we only do this on newer SoCs as we cannot change * the algorithm on older SoCs since those have been using * fixed mac-addresses based on only using word 3 for a * long time and changing a fixed mac-address with an * u-boot update is not good. */ #if !defined(CONFIG_MACH_SUN4I) && !defined(CONFIG_MACH_SUN5I) && \ !defined(CONFIG_MACH_SUN6I) && !defined(CONFIG_MACH_SUN7I) && \ !defined(CONFIG_MACH_SUN8I_A23) && !defined(CONFIG_MACH_SUN8I_A33) sid[3] = crc32(0, (unsigned char *)&sid[1], 12); #endif /* Ensure the NIC specific bytes of the mac are not all 0 */ if ((sid[3] & 0xffffff) == 0) sid[3] |= 0x800000; for (i = 0; i < 4; i++) { sprintf(ethaddr, "ethernet%d", i); if (!fdt_get_alias(fdt, ethaddr)) continue; if (i == 0) strcpy(ethaddr, "ethaddr"); else sprintf(ethaddr, "eth%daddr", i); if (getenv(ethaddr)) continue; /* Non OUI / registered MAC address */ mac_addr[0] = (i << 4) | 0x02; mac_addr[1] = (sid[0] >> 0) & 0xff; mac_addr[2] = (sid[3] >> 24) & 0xff; mac_addr[3] = (sid[3] >> 16) & 0xff; mac_addr[4] = (sid[3] >> 8) & 0xff; mac_addr[5] = (sid[3] >> 0) & 0xff; eth_setenv_enetaddr(ethaddr, mac_addr); } if (!getenv("serial#")) { snprintf(serial_string, sizeof(serial_string), "%08x%08x", sid[0], sid[3]); setenv("serial#", serial_string); } } } #else /* * Note this function gets called multiple times. * It must not make any changes to env variables which already exist. */ static void setup_environment(const void *fdt) { #if !defined(CONFIG_DM_MMC) uint8_t mac_addr[6]; char serial_string[17] = { 0 }; struct mmc *mmc0; struct sunxi_mmc_host { unsigned mmc_no; uint32_t *mclkreg; unsigned fatal_err; struct sunxi_mmc *reg; struct mmc_config cfg; }; mmc0 = find_mmc_device(1); /* lookup the real device number to get the eMMC */ if(((struct sunxi_mmc_host*)mmc0->priv)->mmc_no != 2) mmc0 = find_mmc_device(0); if(mmc0->has_init == 0) mmc_init(mmc0); if (!getenv("ethaddr")) { /* Non OUI / registered MAC address */ mac_addr[0] = 0x02; mac_addr[1] = (mmc0->cid[0] >> 24) & 0xff; mac_addr[2] = (mmc0->cid[2] >> 0) & 0xff; mac_addr[3] = (mmc0->cid[3] >> 24) & 0xff; mac_addr[4] = (mmc0->cid[3] >> 16) & 0xff; mac_addr[5] = (mmc0->cid[3] >> 8) & 0xff; eth_setenv_enetaddr("ethaddr", mac_addr); } if (!getenv("serial#")) { snprintf(serial_string, sizeof(serial_string), "%08x%02x%06x", mmc0->cid[0]>>24,mmc0->cid[2]&0xff,mmc0->cid[3]>>8); setenv("serial#", serial_string); } #endif } #endif int misc_init_r(void) { __maybe_unused int ret; setenv("fel_booted", NULL); setenv("fel_scriptaddr", NULL); /* determine if we are running in FEL mode */ if (!is_boot0_magic(SPL_ADDR + 4)) { /* eGON.BT0 */ setenv("fel_booted", "1"); parse_spl_header(SPL_ADDR); } setup_environment(gd->fdt_blob); #ifndef CONFIG_MACH_SUN9I ret = sunxi_usb_phy_probe(); if (ret) return ret; #endif sunxi_musb_board_init(); return 0; } #endif int ft_board_setup(void *blob, bd_t *bd) { int __maybe_unused r; /* * Call setup_environment again in case the boot fdt has * ethernet aliases the u-boot copy does not have. */ setup_environment(blob); #ifdef CONFIG_VIDEO_DT_SIMPLEFB r = sunxi_simplefb_setup(blob); if (r) return r; #endif return 0; } #ifdef CONFIG_SUNXI_FASTBOOT_GPIO static int fastboot_key_pressed(void) { int pin = sunxi_name_to_gpio(CONFIG_SUNXI_FASTBOOT_GPIO); gpio_request(pin, "fastboot"); gpio_direction_input(pin); sunxi_gpio_set_pull(SUNXI_GPM(7), SUNXI_GPIO_PULL_UP); udelay(100); return !gpio_get_value(pin); } static int lid_open(void) { int pin = sunxi_name_to_gpio("PM1"); gpio_request(pin, "no_autoboot"); gpio_direction_input(pin); sunxi_gpio_set_pull(SUNXI_GPM(1), SUNXI_GPIO_PULL_DOWN); udelay(100); return gpio_get_value(pin); } static int sleep_key_pressed(void) { int pin = sunxi_name_to_gpio("PM3"); gpio_request(pin, "ums"); gpio_direction_input(pin); sunxi_gpio_set_pull(SUNXI_GPM(3), SUNXI_GPIO_PULL_UP); udelay(100); return !gpio_get_value(pin); } int board_late_init(void) { if (lid_open()) { setenv("bootdelay", "-1"); setenv("preboot", "usb start"); } else if (fastboot_key_pressed()) { setenv("stdout", "serial"); setenv("stderr", "serial"); setenv("preboot", "fastboot musb"); } else if (sleep_key_pressed()) { setenv("preboot", "ums musb mmc 1"); } else { setenv("preboot", ""); } return 0; } #endif #ifdef CONFIG_SUNXI_PANGOLIN static int do_emmcboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { struct mmc *mmc0; struct sunxi_mmc_host { unsigned mmc_no; uint32_t *mclkreg; unsigned fatal_err; struct sunxi_mmc *reg; struct mmc_config cfg; }; mmc0 = find_mmc_device(0); /* lookup if first mmc device maps to the emmc */ struct sunxi_mmc_host *mmchost = mmc0->priv; if(mmchost->mmc_no == 2) return 0; else return 1; } U_BOOT_CMD( emmcboot, CONFIG_SYS_MAXARGS, 1, do_emmcboot, "returns true if booted from eMMC", NULL ); #endif int board_fit_config_name_match(const char *name) { #ifdef CONFIG_SPL_LOAD_FIT const char *cmp_str; #ifdef CONFIG_DEFAULT_DEVICE_TREE cmp_str = CONFIG_DEFAULT_DEVICE_TREE; #else return 0; #endif /* Differentiate the two Pine64 board DTs by their DRAM size. */ if (strstr(name, "-pine64") && strstr(cmp_str, "-pine64")) { if ((gd->ram_size > 512 * 1024 * 1024)) return !strstr(name, "plus"); else return !!strstr(name, "plus"); } else { return strcmp(name, cmp_str); } #endif }