diff options
Diffstat (limited to 'arch/arm/boards/phytec-som-imx6/board.c')
| -rw-r--r-- | arch/arm/boards/phytec-som-imx6/board.c | 207 |
1 files changed, 152 insertions, 55 deletions
diff --git a/arch/arm/boards/phytec-som-imx6/board.c b/arch/arm/boards/phytec-som-imx6/board.c index 27a1ad4f66..2db3fa1db8 100644 --- a/arch/arm/boards/phytec-som-imx6/board.c +++ b/arch/arm/boards/phytec-som-imx6/board.c @@ -1,23 +1,9 @@ -/* - * Copyright (C) 2013 Sascha Hauer, Pengutronix - * Copyright (C) 2015 PHYTEC Messtechnik GmbH, - * Author: Stefan Christ <s.christ@phytec.de> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation. - * - */ +// SPDX-License-Identifier: GPL-2.0-or-later +// SPDX-FileCopyrightText: 2013 Sascha Hauer, Pengutronix +// SPDX-FileCopyrightText: 2015 PHYTEC Messtechnik GmbH + +/* Author: Stefan Christ <s.christ@phytec.de> */ + #define pr_fmt(fmt) "phySOM-i.MX6: " fmt #include <malloc.h> @@ -28,16 +14,17 @@ #include <gpio.h> #include <init.h> #include <of.h> +#include <deep-probe.h> #include <i2c/i2c.h> -#include <mach/bbu.h> +#include <mach/imx/bbu.h> #include <platform_data/eth-fec.h> #include <mfd/imx6q-iomuxc-gpr.h> #include <linux/micrel_phy.h> #include <globalvar.h> -#include <mach/iomux-mx6.h> -#include <mach/imx6.h> +#include <mach/imx/iomux-mx6.h> +#include <mach/imx/imx6.h> #define PHYFLEX_MODULE_REV_1 0x1 #define PHYFLEX_MODULE_REV_2 0x2 @@ -120,10 +107,14 @@ static int phycore_da9062_setup_buck_mode(void) unsigned char value; int ret; - pmic_np = of_find_node_by_name(NULL, "pmic@58"); + pmic_np = of_find_node_by_name_address(NULL, "pmic@58"); if (!pmic_np) return -ENODEV; + ret = of_device_ensure_probed(pmic_np); + if (ret) + return ret; + adapter = of_find_i2c_adapter_by_node(pmic_np->parent); if (!adapter) return -ENODEV; @@ -155,15 +146,29 @@ err_out: return ret; } -static int physom_imx6_devices_init(void) +#define IS_PHYFLEX BIT(0) +#define IS_PHYCORE BIT(1) +#define IS_PHYCARD BIT(2) +#define IS_PHYCORE_UL BIT(3) +#define HAS_MMC3 BIT(4) +#define HAS_MMC1 BIT(5) + +struct board_data { + unsigned flags; +}; + +static int physom_imx6_probe(struct device *dev) { int ret; char *environment_path, *default_environment_path; char *envdev, *default_envdev; + const struct board_data *brd = device_get_match_data(dev); + unsigned flags = brd->flags; - if (of_machine_is_compatible("phytec,imx6q-pfla02") - || of_machine_is_compatible("phytec,imx6dl-pfla02") - || of_machine_is_compatible("phytec,imx6s-pfla02")) { + if (flags & IS_PHYFLEX) { + ret = of_devices_ensure_probed_by_property("gpio-controller"); + if (ret) + return ret; phyflex_err006282_workaround(); @@ -175,18 +180,17 @@ static int physom_imx6_devices_init(void) default_environment_path = "/chosen/environment-spinor"; default_envdev = "SPI NOR flash"; - } else if (of_machine_is_compatible("phytec,imx6q-pcaaxl3")) { + imx6_bbu_internal_mmc_register_handler("mmc2", + "/dev/mmc2", 0); + } else if (flags & IS_PHYCARD) { barebox_set_hostname("phyCARD-i.MX6"); default_environment_path = "/chosen/environment-nand"; default_envdev = "NAND flash"; - } else if (of_machine_is_compatible("phytec,imx6q-pcm058-nand") - || of_machine_is_compatible("phytec,imx6q-pcm058-emmc") - || of_machine_is_compatible("phytec,imx6dl-pcm058-nand") - || of_machine_is_compatible("phytec,imx6qp-pcm058-nand") - || of_machine_is_compatible("phytec,imx6dl-pcm058-emmc")) { - + imx6_bbu_internal_mmc_register_handler("mmc2", + "/dev/mmc2", 0); + } else if (flags & IS_PHYCORE) { if (phycore_da9062_setup_buck_mode()) pr_err("Setting PMIC BUCK mode failed\n"); @@ -194,8 +198,10 @@ static int physom_imx6_devices_init(void) default_environment_path = "/chosen/environment-spinor"; default_envdev = "SPI NOR flash"; - } else if (of_machine_is_compatible("phytec,imx6ul-pcl063-nand") - || of_machine_is_compatible("phytec,imx6ul-pcl063-emmc")) { + imx6_bbu_internal_mmc_register_handler("mmc0", + "/dev/mmc0", 0); + + } else if (flags & IS_PHYCORE_UL) { barebox_set_hostname("phyCORE-i.MX6UL"); default_environment_path = "/chosen/environment-nand"; default_envdev = "NAND flash"; @@ -203,8 +209,12 @@ static int physom_imx6_devices_init(void) phy_register_fixup_for_uid(PHY_ID_KSZ8081, MICREL_PHY_ID_MASK, ksz8081_phy_fixup); - } else - return 0; + imx6_bbu_internal_mmc_register_handler("mmc0", + "/dev/mmc0", 0); + + } else { + return -EINVAL; + } switch (bootsource_get()) { case BOOTSOURCE_MMC: @@ -221,7 +231,7 @@ static int physom_imx6_devices_init(void) envdev = "SPI NOR flash"; break; default: - environment_path = basprintf(default_environment_path); + environment_path = strdup(default_environment_path); envdev = default_envdev; break; } @@ -236,15 +246,18 @@ static int physom_imx6_devices_init(void) pr_notice("Using environment in %s\n", envdev); - if (of_machine_is_compatible("phytec,imx6q-pcm058-emmc") - || of_machine_is_compatible("phytec,imx6dl-pcm058-emmc")) { + if (flags & HAS_MMC3) { imx6_bbu_internal_mmc_register_handler("mmc3", "/dev/mmc3", BBU_HANDLER_FLAG_DEFAULT); - } else if (of_machine_is_compatible("phytec,imx6ul-pcl063-emmc")) { + imx6_bbu_internal_mmcboot_register_handler("mmc3-boot", + "mmc3", 0); + } else if (flags & HAS_MMC1) { imx6_bbu_internal_mmc_register_handler("mmc1", "/dev/mmc1", BBU_HANDLER_FLAG_DEFAULT); + imx6_bbu_internal_mmcboot_register_handler("mmc1-boot", + "mmc1", 0); } else { imx6_bbu_nand_register_handler("nand", BBU_HANDLER_FLAG_DEFAULT); } @@ -252,23 +265,107 @@ static int physom_imx6_devices_init(void) defaultenv_append_directory(defaultenv_physom_imx6); /* Overwrite file /env/init/automount */ - if (of_machine_is_compatible("phytec,imx6q-pfla02") - || of_machine_is_compatible("phytec,imx6dl-pfla02") - || of_machine_is_compatible("phytec,imx6s-pfla02") - || of_machine_is_compatible("phytec,imx6q-pcaaxl3")) { + if (flags & IS_PHYCARD || flags & IS_PHYFLEX) { defaultenv_append_directory(defaultenv_physom_imx6); - } else if (of_machine_is_compatible("phytec,imx6qp-pcm058-nand") - || of_machine_is_compatible("phytec,imx6q-pcm058-nand") - || of_machine_is_compatible("phytec,imx6q-pcm058-emmc") - || of_machine_is_compatible("phytec,imx6dl-pcm058-nand") - || of_machine_is_compatible("phytec,imx6dl-pcm058-emmc")) { + } else if (flags & IS_PHYCORE) { defaultenv_append_directory(defaultenv_physom_imx6); defaultenv_append_directory(defaultenv_physom_imx6_phycore); - } else if (of_machine_is_compatible("phytec,imx6ul-pcl063-nand") - || of_machine_is_compatible("phytec,imx6ul-pcl063-emmc")) { + } else if (flags & IS_PHYCORE_UL) { defaultenv_append_directory(defaultenv_physom_imx6ul_phycore); } return 0; } -device_initcall(physom_imx6_devices_init); + +static struct board_data imx6q_pfla02 = { + .flags = IS_PHYFLEX, +}; + +static struct board_data imx6dl_pfla02 = { + .flags = IS_PHYFLEX, +}; + +static struct board_data imx6s_pfla02 = { + .flags = IS_PHYFLEX, +}; + +static struct board_data imx6q_pcaaxl3 = { + .flags = IS_PHYCARD, +}; + +static struct board_data imx6q_pcm058_nand = { + .flags = IS_PHYCORE, +}; + +static struct board_data imx6q_pcm058_emmc = { + .flags = IS_PHYCORE | HAS_MMC3, +}; + +static struct board_data imx6dl_pcm058_nand = { + .flags = IS_PHYCORE, +}; + +static struct board_data imx6qp_pcm058_nand = { + .flags = IS_PHYCORE, +}; + +static struct board_data imx6dl_pcm058_emmc = { + .flags = IS_PHYCORE | HAS_MMC3, +}; + +static struct board_data imx6ul_pcl063_nand = { + .flags = IS_PHYCORE_UL, +}; + +static struct board_data imx6ul_pcl063_emmc = { + .flags = IS_PHYCORE_UL | HAS_MMC1, +}; + + +static const struct of_device_id physom_imx6_match[] = { + { + .compatible = "phytec,imx6q-pfla02", + .data = &imx6q_pfla02, + }, { + .compatible = "phytec,imx6dl-pfla02", + .data = &imx6dl_pfla02, + }, { + .compatible = "phytec,imx6s-pfla02", + .data = &imx6s_pfla02, + }, { + .compatible = "phytec,imx6q-pcaaxl3", + .data = &imx6q_pcaaxl3, + }, { + .compatible = "phytec,imx6q-pcm058-nand", + .data = &imx6q_pcm058_nand, + }, { + .compatible = "phytec,imx6q-pcm058-emmc", + .data = &imx6q_pcm058_emmc, + }, { + .compatible = "phytec,imx6dl-pcm058-nand", + .data = &imx6dl_pcm058_nand, + }, { + .compatible = "phytec,imx6qp-pcm058-nand", + .data = &imx6qp_pcm058_nand, + }, { + .compatible = "phytec,imx6dl-pcm058-emmc", + .data = &imx6dl_pcm058_emmc, + }, { + .compatible = "phytec,imx6ul-pcl063-nand", + .data = &imx6ul_pcl063_nand, + }, { + .compatible = "phytec,imx6ul-pcl063-emmc", + .data = &imx6ul_pcl063_emmc, + }, + { /* Sentinel */ }, +}; + +static struct driver physom_imx6_driver = { + .name = "physom-imx6", + .probe = physom_imx6_probe, + .of_compatible = physom_imx6_match, +}; + +postcore_platform_driver(physom_imx6_driver); + +BAREBOX_DEEP_PROBE_ENABLE(physom_imx6_match); |