88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
/*
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* Copyright (C) 2013 Philipp Zabel
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <asm/armlinux.h>
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#include <asm/io.h>
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#include <bootsource.h>
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#include <common.h>
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#include <environment.h>
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#include <envfs.h>
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#include <gpio.h>
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#include <init.h>
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#include <mach/generic.h>
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#include <mach/imx6-regs.h>
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#include <mach/imx6.h>
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#include <mfd/imx6q-iomuxc-gpr.h>
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#include <sizes.h>
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#include <of.h>
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#define GK802_GPIO_RECOVERY_BTN IMX_GPIO_NR(3, 16) /* recovery button */
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#define GK802_GPIO_RTL8192_PDN IMX_GPIO_NR(2, 0) /* RTL8192CU powerdown */
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static int gk802_env_init(void)
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{
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char *bootsource_name;
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char *barebox_name;
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char *default_environment_name;
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if (!of_machine_is_compatible("zealz,imx6q-gk802"))
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return 0;
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/* Keep RTL8192CU disabled */
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gpio_direction_output(GK802_GPIO_RTL8192_PDN, 1);
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gpio_direction_input(GK802_GPIO_RECOVERY_BTN);
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setenv("recovery", gpio_get_value(GK802_GPIO_RECOVERY_BTN) ? "0" : "1");
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if (bootsource_get() != BOOTSOURCE_MMC)
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return 0;
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switch (bootsource_get_instance()) {
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case 2:
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bootsource_name = "mmc2";
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barebox_name = "mmc2.barebox";
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default_environment_name = "mmc2.bareboxenv";
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default_environment_path = "/dev/mmc2.bareboxenv";
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break;
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case 3:
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bootsource_name = "mmc3";
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barebox_name = "mmc3.barebox";
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default_environment_name = "mmc3.bareboxenv";
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default_environment_path = "/dev/mmc3.bareboxenv";
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break;
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default:
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return 0;
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}
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device_detect_by_name(bootsource_name);
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devfs_add_partition(bootsource_name, 0x00000, SZ_512K, DEVFS_PARTITION_FIXED, barebox_name);
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devfs_add_partition(bootsource_name, SZ_512K, SZ_512K, DEVFS_PARTITION_FIXED, default_environment_name);
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return 0;
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}
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late_initcall(gk802_env_init);
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static int gk802_console_init(void)
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{
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if (!of_machine_is_compatible("zealz,imx6q-gk802"))
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return 0;
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barebox_set_hostname("gk802");
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imx6_init_lowlevel();
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return 0;
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}
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postcore_initcall(gk802_console_init);
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