/* * Copyright (C) 2012-2014 Freescale Semiconductor, Inc. * * Author: Fabio Estevam * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(CONFIG_MX6DL) && defined(CONFIG_MXC_EPDC) #include #include #endif #include #include #include #include #include #include #ifdef CONFIG_SYS_I2C_MXC #include #include #endif #ifdef CONFIG_CMD_SATA #include #endif #ifdef CONFIG_FASTBOOT #include #ifdef CONFIG_ANDROID_RECOVERY #include #endif #endif /*CONFIG_FASTBOOT*/ DECLARE_GLOBAL_DATA_PTR; #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ PAD_CTL_SRE_FAST | PAD_CTL_HYS) #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ PAD_CTL_SRE_FAST | PAD_CTL_HYS) #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) #define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ PAD_CTL_ODE | PAD_CTL_SRE_FAST) #define EPDC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_HYS) #ifdef CONFIG_SYS_I2C_MXC #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) /* I2C2 Camera, MIPI, pfuze */ struct i2c_pads_info i2c_pad_info1 = { .scl = { .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | PC, .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | PC, .gp = IMX_GPIO_NR(4, 12) }, .sda = { .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC, .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC, .gp = IMX_GPIO_NR(4, 13) } }; #endif int dram_init(void) { gd->ram_size = ((ulong)CONFIG_DDR_MB * 1024 * 1024); return 0; } iomux_v3_cfg_t const uart1_pads[] = { MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), }; iomux_v3_cfg_t const enet_pads[] = { MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), /* AR8031 PHY Reset */ MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static void setup_iomux_enet(void) { imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); /* Reset AR8031 PHY */ gpio_direction_output(IMX_GPIO_NR(1, 25) , 0); udelay(500); gpio_set_value(IMX_GPIO_NR(1, 25), 1); } iomux_v3_cfg_t const usdhc2_pads[] = { MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_NANDF_D4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_NANDF_D5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_NANDF_D6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_NANDF_D7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ }; iomux_v3_cfg_t const usdhc3_pads[] = { MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ }; iomux_v3_cfg_t const usdhc4_pads[] = { MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), }; #ifdef CONFIG_SYS_USE_SPINOR iomux_v3_cfg_t const ecspi1_pads[] = { MX6_PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), MX6_PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), MX6_PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static void setup_spinor(void) { imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); gpio_direction_output(IMX_GPIO_NR(4, 9), 0); } #endif iomux_v3_cfg_t const pcie_pads[] = { MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), /* POWER */ MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), /* RESET */ }; static void setup_pcie(void) { imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads)); } iomux_v3_cfg_t const di0_pads[] = { MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, /* DISP0_CLK */ MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, /* DISP0_HSYNC */ MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, /* DISP0_VSYNC */ }; #if defined(CONFIG_MX6DL) && defined(CONFIG_MXC_EPDC) static iomux_v3_cfg_t const epdc_enable_pads[] = { MX6_PAD_EIM_A16__EPDC_DATA00 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_DA10__EPDC_DATA01 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_DA12__EPDC_DATA02 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_DA11__EPDC_DATA03 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_LBA__EPDC_DATA04 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_EB2__EPDC_DATA05 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_CS0__EPDC_DATA06 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_RW__EPDC_DATA07 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_A21__EPDC_GDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_A22__EPDC_GDSP | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_A23__EPDC_GDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_A24__EPDC_GDRL | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_D31__EPDC_SDCLK_P | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_D27__EPDC_SDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_DA1__EPDC_SDLE | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_EB1__EPDC_SDSHR | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_DA2__EPDC_BDR0 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_DA4__EPDC_SDCE0 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_DA5__EPDC_SDCE1 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EIM_DA6__EPDC_SDCE2 | MUX_PAD_CTRL(EPDC_PAD_CTRL), }; static iomux_v3_cfg_t const epdc_disable_pads[] = { MX6_PAD_EIM_A16__GPIO2_IO22, MX6_PAD_EIM_DA10__GPIO3_IO10, MX6_PAD_EIM_DA12__GPIO3_IO12, MX6_PAD_EIM_DA11__GPIO3_IO11, MX6_PAD_EIM_LBA__GPIO2_IO27, MX6_PAD_EIM_EB2__GPIO2_IO30, MX6_PAD_EIM_CS0__GPIO2_IO23, MX6_PAD_EIM_RW__GPIO2_IO26, MX6_PAD_EIM_A21__GPIO2_IO17, MX6_PAD_EIM_A22__GPIO2_IO16, MX6_PAD_EIM_A23__GPIO6_IO06, MX6_PAD_EIM_A24__GPIO5_IO04, MX6_PAD_EIM_D31__GPIO3_IO31, MX6_PAD_EIM_D27__GPIO3_IO27, MX6_PAD_EIM_DA1__GPIO3_IO01, MX6_PAD_EIM_EB1__GPIO2_IO29, MX6_PAD_EIM_DA2__GPIO3_IO02, MX6_PAD_EIM_DA4__GPIO3_IO04, MX6_PAD_EIM_DA5__GPIO3_IO05, MX6_PAD_EIM_DA6__GPIO3_IO06, }; #endif static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } #ifdef CONFIG_SYS_I2C_MXC static int setup_pmic_voltages(void) { unsigned char value, rev_id = 0 ; i2c_set_bus_num(1); if (!i2c_probe(0x8)) { if (i2c_read(0x8, 0, 1, &value, 1)) { printf("Read device ID error!\n"); return -1; } if (i2c_read(0x8, 3, 1, &rev_id, 1)) { printf("Read Rev ID error!\n"); return -1; } printf("Found PFUZE%s deviceid=%x,revid=%x\n", ((value & 0xf) == 0) ? "100" : "200", value, rev_id); /*For camera streaks issue,swap VGEN5 and VGEN3 to power camera. *sperate VDDHIGH_IN and camera 2.8V power supply, after switch: *VGEN5 for VDDHIGH_IN and increase to 3V to align with datasheet *VGEN3 for camera 2.8V power supply */ /*increase VGEN3 from 2.5 to 2.8V*/ if (i2c_read(0x8, 0x6e, 1, &value, 1)) { printf("Read VGEN3 error!\n"); return -1; } value &= ~0xf; value |= 0xa; if (i2c_write(0x8, 0x6e, 1, &value, 1)) { printf("Set VGEN3 error!\n"); return -1; } /*increase VGEN5 from 2.8 to 3V*/ if (i2c_read(0x8, 0x70, 1, &value, 1)) { printf("Read VGEN5 error!\n"); return -1; } value &= ~0xf; value |= 0xc; if (i2c_write(0x8, 0x70, 1, &value, 1)) { printf("Set VGEN5 error!\n"); return -1; } /* set SW1AB staby volatage 0.975V*/ if (i2c_read(0x8, 0x21, 1, &value, 1)) { printf("Read SW1ABSTBY error!\n"); return -1; } value &= ~0x3f; value |= 0x1b; if (i2c_write(0x8, 0x21, 1, &value, 1)) { printf("Set SW1ABSTBY error!\n"); return -1; } /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ if (i2c_read(0x8, 0x24, 1, &value, 1)) { printf("Read SW1ABSTBY error!\n"); return -1; } value &= ~0xc0; value |= 0x40; if (i2c_write(0x8, 0x24, 1, &value, 1)) { printf("Set SW1ABSTBY error!\n"); return -1; } /* set SW1C staby volatage 0.975V*/ if (i2c_read(0x8, 0x2f, 1, &value, 1)) { printf("Read SW1CSTBY error!\n"); return -1; } value &= ~0x3f; value |= 0x1b; if (i2c_write(0x8, 0x2f, 1, &value, 1)) { printf("Set SW1CSTBY error!\n"); return -1; } /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */ if (i2c_read(0x8, 0x32, 1, &value, 1)) { printf("Read SW1ABSTBY error!\n"); return -1; } value &= ~0xc0; value |= 0x40; if (i2c_write(0x8, 0x32, 1, &value, 1)) { printf("Set SW1ABSTBY error!\n"); return -1; } } return 0; } #ifdef CONFIG_LDO_BYPASS_CHECK void ldo_mode_set(int ldo_bypass) { unsigned char value; /* increase VDDARM/VDDSOC to support 1.2G chip */ if (check_1_2G()) { ldo_bypass = 0; /* ldo_enable on 1.2G chip */ printf("1.2G chip, increase VDDARM_IN/VDDSOC_IN\n"); /* increase VDDARM to 1.425V */ if (i2c_read(0x8, 0x20, 1, &value, 1)) { printf("Read SW1AB error!\n"); return; } value &= ~0x3f; value |= 0x2d; if (i2c_write(0x8, 0x20, 1, &value, 1)) { printf("Set SW1AB error!\n"); return; } /* increase VDDSOC to 1.425V */ if (i2c_read(0x8, 0x2e, 1, &value, 1)) { printf("Read SW1C error!\n"); return; } value &= ~0x3f; value |= 0x2d; if (i2c_write(0x8, 0x2e, 1, &value, 1)) { printf("Set SW1C error!\n"); return; } } /* switch to ldo_bypass mode , boot on 800Mhz */ if (ldo_bypass) { /* decrease VDDARM to 1.175V */ if (i2c_read(0x8, 0x20, 1, &value, 1)) { printf("Read SW1AB error!\n"); return; } value &= ~0x3f; value |= 0x23; if (i2c_write(0x8, 0x20, 1, &value, 1)) { printf("Set SW1AB error!\n"); return; } /* increase VDDSOC to 1.175V */ if (i2c_read(0x8, 0x2e, 1, &value, 1)) { printf("Read SW1C error!\n"); return; } value &= ~0x3f; value |= 0x23; if (i2c_write(0x8, 0x2e, 1, &value, 1)) { printf("Set SW1C error!\n"); return; } set_anatop_bypass(); printf("switch to ldo_bypass mode!\n"); } } #endif #endif #ifdef CONFIG_FSL_ESDHC struct fsl_esdhc_cfg usdhc_cfg[3] = { {USDHC2_BASE_ADDR}, {USDHC3_BASE_ADDR}, {USDHC4_BASE_ADDR}, }; int mmc_get_env_devno(void) { u32 soc_sbmr = readl(SRC_BASE_ADDR + 0x4); u32 dev_no; /* BOOT_CFG2[3] and BOOT_CFG2[4] */ dev_no = (soc_sbmr & 0x00001800) >> 11; /* need ubstract 1 to map to the mmc device id * see the comments in board_mmc_init function */ dev_no--; return dev_no; } #define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2) #define USDHC3_CD_GPIO IMX_GPIO_NR(2, 0) int board_mmc_getcd(struct mmc *mmc) { struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; int ret = 0; switch (cfg->esdhc_base) { case USDHC2_BASE_ADDR: ret = !gpio_get_value(USDHC2_CD_GPIO); break; case USDHC3_BASE_ADDR: ret = !gpio_get_value(USDHC3_CD_GPIO); break; case USDHC4_BASE_ADDR: ret = 1; /* eMMC/uSDHC4 is always present */ break; } return ret; } int board_mmc_init(bd_t *bis) { s32 status = 0; int i; /* * According to the board_mmc_init() the following map is done: * (U-boot device node) (Physical Port) * mmc0 SD2 * mmc1 SD3 * mmc2 eMMC */ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { switch (i) { case 0: imx_iomux_v3_setup_multiple_pads( usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); gpio_direction_input(USDHC2_CD_GPIO); usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); break; case 1: imx_iomux_v3_setup_multiple_pads( usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); gpio_direction_input(USDHC3_CD_GPIO); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); break; case 2: imx_iomux_v3_setup_multiple_pads( usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); break; default: printf("Warning: you configured more USDHC controllers" "(%d) then supported by the board (%d)\n", i + 1, CONFIG_SYS_FSL_USDHC_NUM); return status; } status |= fsl_esdhc_initialize(bis, &usdhc_cfg[i]); } return status; } void board_late_mmc_env_init(void) { char cmd[32]; u32 dev_no = mmc_get_env_devno(); setenv_ulong("mmcdev", dev_no); sprintf(cmd, "mmc dev %d", dev_no); run_command(cmd, 0); } #endif #if defined(CONFIG_MX6DL) && defined(CONFIG_MXC_EPDC) #ifdef CONFIG_SPLASH_SCREEN extern int mmc_get_env_devno(void); int setup_splash_img(void) { #ifdef CONFIG_SPLASH_IS_IN_MMC int mmc_dev = mmc_get_env_devno(); ulong offset = CONFIG_SPLASH_IMG_OFFSET; ulong size = CONFIG_SPLASH_IMG_SIZE; ulong addr = 0; char *s = NULL; struct mmc *mmc = find_mmc_device(mmc_dev); uint blk_start, blk_cnt, n; s = getenv("splashimage"); if (NULL == s) { puts("env splashimage not found!\n"); return -1; } addr = simple_strtoul(s, NULL, 16); if (!mmc) { printf("MMC Device %d not found\n", mmc_dev); return -1; } if (mmc_init(mmc)) { puts("MMC init failed\n"); return -1; } blk_start = ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len; blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len; n = mmc->block_dev.block_read(mmc_dev, blk_start, blk_cnt, (u_char *)addr); flush_cache((ulong)addr, blk_cnt * mmc->read_bl_len); return (n == blk_cnt) ? 0 : -1; #endif return 0; } #endif vidinfo_t panel_info = { .vl_refresh = 85, .vl_col = 800, .vl_row = 600, .vl_pixclock = 26666667, .vl_left_margin = 8, .vl_right_margin = 100, .vl_upper_margin = 4, .vl_lower_margin = 8, .vl_hsync = 4, .vl_vsync = 1, .vl_sync = 0, .vl_mode = 0, .vl_flag = 0, .vl_bpix = 3, .cmap = 0, }; struct epdc_timing_params panel_timings = { .vscan_holdoff = 4, .sdoed_width = 10, .sdoed_delay = 20, .sdoez_width = 10, .sdoez_delay = 20, .gdclk_hp_offs = 419, .gdsp_offs = 20, .gdoe_offs = 0, .gdclk_offs = 5, .num_ce = 1, }; static void setup_epdc_power(void) { /* Setup epdc voltage */ /* EIM_A17 - GPIO2[21] for PWR_GOOD status */ imx_iomux_v3_setup_pad(MX6_PAD_EIM_A17__GPIO2_IO21 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* Set as input */ gpio_direction_input(IMX_GPIO_NR(2, 21)); /* EIM_D17 - GPIO3[17] for VCOM control */ imx_iomux_v3_setup_pad(MX6_PAD_EIM_D17__GPIO3_IO17 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* Set as output */ gpio_direction_output(IMX_GPIO_NR(3, 17), 1); /* EIM_D20 - GPIO3[20] for EPD PMIC WAKEUP */ imx_iomux_v3_setup_pad(MX6_PAD_EIM_D20__GPIO3_IO20 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* Set as output */ gpio_direction_output(IMX_GPIO_NR(3, 20), 1); /* EIM_A18 - GPIO2[20] for EPD PWR CTL0 */ imx_iomux_v3_setup_pad(MX6_PAD_EIM_A18__GPIO2_IO20 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* Set as output */ gpio_direction_output(IMX_GPIO_NR(2, 20), 1); } int setup_waveform_file(void) { #ifdef CONFIG_WAVEFORM_FILE_IN_MMC int mmc_dev = mmc_get_env_devno(); ulong offset = CONFIG_WAVEFORM_FILE_OFFSET; ulong size = CONFIG_WAVEFORM_FILE_SIZE; ulong addr = CONFIG_WAVEFORM_BUF_ADDR; struct mmc *mmc = find_mmc_device(mmc_dev); uint blk_start, blk_cnt, n; if (!mmc) { printf("MMC Device %d not found\n", mmc_dev); return -1; } if (mmc_init(mmc)) { puts("MMC init failed\n"); return -1; } blk_start = ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len; blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len; n = mmc->block_dev.block_read(mmc_dev, blk_start, blk_cnt, (u_char *)addr); flush_cache((ulong)addr, blk_cnt * mmc->read_bl_len); return (n == blk_cnt) ? 0 : -1; #else return -1; #endif } static void epdc_enable_pins(void) { /* epdc iomux settings */ imx_iomux_v3_setup_multiple_pads(epdc_enable_pads, ARRAY_SIZE(epdc_enable_pads)); } static void epdc_disable_pins(void) { /* Configure MUX settings for EPDC pins to GPIO */ imx_iomux_v3_setup_multiple_pads(epdc_disable_pads, ARRAY_SIZE(epdc_disable_pads)); } static void setup_epdc(void) { unsigned int reg; struct mxc_ccm_reg *ccm_regs = (struct mxc_ccm_reg *)CCM_BASE_ADDR; /*** epdc Maxim PMIC settings ***/ /* EPDC PWRSTAT - GPIO2[21] for PWR_GOOD status */ imx_iomux_v3_setup_pad(MX6_PAD_EIM_A17__GPIO2_IO21 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* EPDC VCOM0 - GPIO3[17] for VCOM control */ imx_iomux_v3_setup_pad(MX6_PAD_EIM_D17__GPIO3_IO17 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* UART4 TXD - GPIO3[20] for EPD PMIC WAKEUP */ imx_iomux_v3_setup_pad(MX6_PAD_EIM_D20__GPIO3_IO20 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* EIM_A18 - GPIO2[20] for EPD PWR CTL0 */ imx_iomux_v3_setup_pad(MX6_PAD_EIM_A18__GPIO2_IO20 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /*** Set pixel clock rates for EPDC ***/ /* EPDC AXI clk (IPU2_CLK) from PFD_400M, set to 396/2 = 198MHz */ reg = readl(&ccm_regs->cscdr3); reg &= ~0x7C000; reg |= (1 << 16) | (1 << 14); writel(reg, &ccm_regs->cscdr3); /* EPDC AXI clk enable */ reg = readl(&ccm_regs->CCGR3); reg |= 0x00C0; writel(reg, &ccm_regs->CCGR3); /* EPDC PIX clk (IPU2_DI1_CLK) from PLL5, set to 650/4/6 = ~27MHz */ reg = readl(&ccm_regs->cscdr2); reg &= ~0x3FE00; reg |= (2 << 15) | (5 << 12); writel(reg, &ccm_regs->cscdr2); /* PLL5 enable (defaults to 650) */ reg = readl(ANATOP_BASE_ADDR + ANATOP_PLL_VIDEO); reg &= ~((1 << 16) | (1 << 12)); reg |= (1 << 13); writel(reg, ANATOP_BASE_ADDR + ANATOP_PLL_VIDEO); /* EPDC PIX clk enable */ reg = readl(&ccm_regs->CCGR3); reg |= 0x0C00; writel(reg, &ccm_regs->CCGR3); panel_info.epdc_data.working_buf_addr = CONFIG_WORKING_BUF_ADDR; panel_info.epdc_data.waveform_buf_addr = CONFIG_WAVEFORM_BUF_ADDR; panel_info.epdc_data.wv_modes.mode_init = 0; panel_info.epdc_data.wv_modes.mode_du = 1; panel_info.epdc_data.wv_modes.mode_gc4 = 3; panel_info.epdc_data.wv_modes.mode_gc8 = 2; panel_info.epdc_data.wv_modes.mode_gc16 = 2; panel_info.epdc_data.wv_modes.mode_gc32 = 2; panel_info.epdc_data.epdc_timings = panel_timings; setup_epdc_power(); /* Assign fb_base */ gd->fb_base = CONFIG_FB_BASE; } void epdc_power_on(void) { unsigned int reg; struct gpio_regs *gpio_regs = (struct gpio_regs *)GPIO2_BASE_ADDR; /* Set EPD_PWR_CTL0 to high - enable EINK_VDD (3.15) */ gpio_set_value(IMX_GPIO_NR(2, 20), 1); udelay(1000); /* Enable epdc signal pin */ epdc_enable_pins(); /* Set PMIC Wakeup to high - enable Display power */ gpio_set_value(IMX_GPIO_NR(3, 20), 1); /* Wait for PWRGOOD == 1 */ while (1) { reg = readl(&gpio_regs->gpio_psr); if (!(reg & (1 << 21))) break; udelay(100); } /* Enable VCOM */ gpio_set_value(IMX_GPIO_NR(3, 17), 1); udelay(500); } void epdc_power_off(void) { /* Set PMIC Wakeup to low - disable Display power */ gpio_set_value(IMX_GPIO_NR(3, 20), 0); /* Disable VCOM */ gpio_set_value(IMX_GPIO_NR(3, 17), 0); epdc_disable_pins(); /* Set EPD_PWR_CTL0 to low - disable EINK_VDD (3.15) */ gpio_set_value(IMX_GPIO_NR(2, 20), 0); } #endif int mx6_rgmii_rework(struct phy_device *phydev) { unsigned short val; /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); val &= 0xffe3; val |= 0x18; phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); /* introduce tx clock delay */ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); val |= 0x0100; phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); return 0; } int board_phy_config(struct phy_device *phydev) { mx6_rgmii_rework(phydev); if (phydev->drv->config) phydev->drv->config(phydev); return 0; } #if defined(CONFIG_VIDEO_IPUV3) struct display_info_t { int bus; int addr; int pixfmt; int (*detect)(struct display_info_t const *dev); void (*enable)(struct display_info_t const *dev); struct fb_videomode mode; }; static void disable_lvds(struct display_info_t const *dev) { struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; int reg = readl(&iomux->gpr[2]); reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK | IOMUXC_GPR2_LVDS_CH1_MODE_MASK); writel(reg, &iomux->gpr[2]); } static void do_enable_hdmi(struct display_info_t const *dev) { disable_lvds(dev); imx_enable_hdmi_phy(); } static struct display_info_t const displays[] = {{ .bus = -1, .addr = 0, .pixfmt = IPU_PIX_FMT_RGB666, .detect = NULL, .enable = NULL, .mode = { .name = "Hannstar-XGA", .refresh = 60, .xres = 1024, .yres = 768, .pixclock = 15385, .left_margin = 220, .right_margin = 40, .upper_margin = 21, .lower_margin = 7, .hsync_len = 60, .vsync_len = 10, .sync = FB_SYNC_EXT, .vmode = FB_VMODE_NONINTERLACED } }, { .bus = -1, .addr = 0, .pixfmt = IPU_PIX_FMT_RGB24, .detect = NULL, .enable = do_enable_hdmi, .mode = { .name = "HDMI", .refresh = 60, .xres = 640, .yres = 480, .pixclock = 39721, .left_margin = 48, .right_margin = 16, .upper_margin = 33, .lower_margin = 10, .hsync_len = 96, .vsync_len = 2, .sync = 0, .vmode = FB_VMODE_NONINTERLACED } } }; int board_video_skip(void) { int i; int ret; char const *panel = getenv("panel"); if (!panel) { for (i = 0; i < ARRAY_SIZE(displays); i++) { struct display_info_t const *dev = displays+i; if (dev->detect && dev->detect(dev)) { panel = dev->mode.name; printf("auto-detected panel %s\n", panel); break; } } if (!panel) { panel = displays[0].mode.name; printf("No panel detected: default to %s\n", panel); i = 0; } } else { for (i = 0; i < ARRAY_SIZE(displays); i++) { if (!strcmp(panel, displays[i].mode.name)) break; } } if (i < ARRAY_SIZE(displays)) { ret = ipuv3_fb_init(&displays[i].mode, 0, displays[i].pixfmt); if (!ret) { if (displays[i].enable) displays[i].enable(displays+i); printf("Display: %s (%ux%u)\n", displays[i].mode.name, displays[i].mode.xres, displays[i].mode.yres); } else printf("LCD %s cannot be configured: %d\n", displays[i].mode.name, ret); } else { printf("unsupported panel %s\n", panel); return -EINVAL; } return 0; } static void setup_display(void) { struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; int reg; /* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */ imx_iomux_v3_setup_multiple_pads(di0_pads, ARRAY_SIZE(di0_pads)); enable_ipu_clock(); imx_setup_hdmi(); /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */ reg = readl(&mxc_ccm->CCGR3); reg |= MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK; writel(reg, &mxc_ccm->CCGR3); /* set LDB0, LDB1 clk select to 011/011 */ reg = readl(&mxc_ccm->cs2cdr); reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); writel(reg, &mxc_ccm->cs2cdr); reg = readl(&mxc_ccm->cscmr2); reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV; writel(reg, &mxc_ccm->cscmr2); reg = readl(&mxc_ccm->chsccdr); reg |= (CHSCCDR_CLK_SEL_LDB_DI0 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); reg |= (CHSCCDR_CLK_SEL_LDB_DI0 << MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET); writel(reg, &mxc_ccm->chsccdr); reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0; writel(reg, &iomux->gpr[2]); reg = readl(&iomux->gpr[3]); reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK | IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET); writel(reg, &iomux->gpr[3]); } #endif /* CONFIG_VIDEO_IPUV3 */ /* * Do not overwrite the console * Use always serial for U-Boot console */ int overwrite_console(void) { return 1; } int board_eth_init(bd_t *bis) { setup_iomux_enet(); setup_pcie(); return cpu_eth_init(bis); } int board_early_init_f(void) { setup_iomux_uart(); #if defined(CONFIG_VIDEO_IPUV3) setup_display(); #endif #ifdef CONFIG_SYS_USE_SPINOR setup_spinor(); #endif #ifdef CONFIG_CMD_SATA setup_sata(); #endif return 0; } int board_init(void) { /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; #if defined(CONFIG_MX6DL) && defined(CONFIG_MXC_EPDC) setup_epdc(); #endif return 0; } #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { /* 4 bit bus width */ {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, /* 8 bit bus width */ {"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)}, {NULL, 0}, }; #endif int board_late_init(void) { int ret = 0; #ifdef CONFIG_CMD_BMODE add_board_boot_modes(board_boot_modes); #endif #ifdef CONFIG_SYS_I2C_MXC setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); ret = setup_pmic_voltages(); if (ret) return -1; #endif #ifdef CONFIG_ENV_IS_IN_MMC board_late_mmc_env_init(); #endif return 0; } int checkboard(void) { puts("Board: MX6-SabreSD\n"); return 0; } #ifdef CONFIG_FASTBOOT void board_fastboot_setup(void) { switch (get_boot_device()) { #if defined(CONFIG_FASTBOOT_STORAGE_SATA) case SATA_BOOT: if (!getenv("fastboot_dev")) setenv("fastboot_dev", "sata"); if (!getenv("bootcmd")) setenv("bootcmd", "booti sata"); break; #endif /*CONFIG_FASTBOOT_STORAGE_SATA*/ #if defined(CONFIG_FASTBOOT_STORAGE_MMC) case SD2_BOOT: case MMC2_BOOT: if (!getenv("fastboot_dev")) setenv("fastboot_dev", "mmc0"); if (!getenv("bootcmd")) setenv("bootcmd", "booti mmc0"); break; case SD3_BOOT: case MMC3_BOOT: if (!getenv("fastboot_dev")) setenv("fastboot_dev", "mmc1"); if (!getenv("bootcmd")) setenv("bootcmd", "booti mmc1"); break; case MMC4_BOOT: if (!getenv("fastboot_dev")) setenv("fastboot_dev", "mmc2"); if (!getenv("bootcmd")) setenv("bootcmd", "booti mmc2"); break; #endif /*CONFIG_FASTBOOT_STORAGE_MMC*/ default: printf("unsupported boot devices\n"); break; } } #ifdef CONFIG_ANDROID_RECOVERY #define GPIO_VOL_DN_KEY IMX_GPIO_NR(1, 5) iomux_v3_cfg_t const recovery_key_pads[] = { (MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; int check_recovery_cmd_file(void) { int button_pressed = 0; int recovery_mode = 0; recovery_mode = recovery_check_and_clean_flag(); /* Check Recovery Combo Button press or not. */ imx_iomux_v3_setup_multiple_pads(recovery_key_pads, ARRAY_SIZE(recovery_key_pads)); gpio_direction_input(GPIO_VOL_DN_KEY); if (gpio_get_value(GPIO_VOL_DN_KEY) == 0) { /* VOL_DN key is low assert */ button_pressed = 1; printf("Recovery key pressed\n"); } return recovery_mode || button_pressed; } void board_recovery_setup(void) { int bootdev = get_boot_device(); switch (bootdev) { #if defined(CONFIG_FASTBOOT_STORAGE_SATA) case SATA_BOOT: if (!getenv("bootcmd_android_recovery")) setenv("bootcmd_android_recovery", "booti sata recovery"); break; #endif /*CONFIG_FASTBOOT_STORAGE_SATA*/ #if defined(CONFIG_FASTBOOT_STORAGE_MMC) case SD2_BOOT: case MMC2_BOOT: if (!getenv("bootcmd_android_recovery")) setenv("bootcmd_android_recovery", "booti mmc0 recovery"); break; case SD3_BOOT: case MMC3_BOOT: if (!getenv("bootcmd_android_recovery")) setenv("bootcmd_android_recovery", "booti mmc1 recovery"); break; case MMC4_BOOT: if (!getenv("bootcmd_android_recovery")) setenv("bootcmd_android_recovery", "booti mmc2 recovery"); break; #endif /*CONFIG_FASTBOOT_STORAGE_MMC*/ default: printf("Unsupported bootup device for recovery: dev: %d\n", bootdev); return; } printf("setup env for recovery..\n"); setenv("bootcmd", "run bootcmd_android_recovery"); } #endif /*CONFIG_ANDROID_RECOVERY*/ #endif /*CONFIG_FASTBOOT*/ #ifdef CONFIG_IMX_UDC iomux_v3_cfg_t const otg_udc_pads[] = { (MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL)), }; void udc_pins_setting(void) { imx_iomux_v3_setup_multiple_pads(otg_udc_pads, ARRAY_SIZE(otg_udc_pads)); /*set daisy chain for otg_pin_id on 6q. for 6dl, this bit is reserved*/ mxc_iomux_set_gpr_register(1, 13, 1, 0); } #endif /*CONFIG_IMX_UDC*/ #ifdef CONFIG_USB_EHCI_MX6 iomux_v3_cfg_t const usb_otg_pads[] = { MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), }; iomux_v3_cfg_t const usb_hc1_pads[] = { MX6_PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL), }; int board_ehci_hcd_init(int port) { switch (port) { case 0: imx_iomux_v3_setup_multiple_pads(usb_otg_pads, ARRAY_SIZE(usb_otg_pads)); /*set daisy chain for otg_pin_id on 6q. for 6dl, this bit is reserved*/ mxc_iomux_set_gpr_register(1, 13, 1, 0); break; case 1: imx_iomux_v3_setup_multiple_pads(usb_hc1_pads, ARRAY_SIZE(usb_hc1_pads)); break; default: printf("MXC USB port %d not yet supported\n", port); return 1; } return 0; } int board_ehci_power(int port, int on) { switch (port) { case 0: break; case 1: if (on) gpio_direction_output(IMX_GPIO_NR(1, 29), 1); else gpio_direction_output(IMX_GPIO_NR(1, 29), 0); break; default: printf("MXC USB port %d not yet supported\n", port); return 1; } return 0; } #endif