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/*
* Copyright 2018 (C) Pengutronix, Michael Grzeschik <mgr@pengutronix.de>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#define pr_fmt(fmt) "samx6i: " fmt
#include <malloc.h>
#include <envfs.h>
#include <environment.h>
#include <bootsource.h>
#include <common.h>
#include <init.h>
#include <of.h>
#include <mach/imx/bbu.h>
#include <mach/imx/esdctl.h>
#include <asm/armlinux.h>
#include "mem.h"
/*
* On this board the SDRAM size is always configured by pin selection.
*/
static int samx6i_sdram_fixup(void)
{
if (!(of_machine_is_compatible("kontron,imx6q-samx6i") ||
of_machine_is_compatible("kontron,imx6dl-samx6i")))
return 0;
imx_esdctl_disable();
return 0;
}
postcore_initcall(samx6i_sdram_fixup);
static int samx6i_mem_init(void)
{
resource_size_t size = 0;
if (!(of_machine_is_compatible("kontron,imx6q-samx6i") ||
of_machine_is_compatible("kontron,imx6dl-samx6i")))
return 0;
size = samx6i_get_size();
if (size)
arm_add_mem_device("ram0", 0x10000000, size);
return 0;
}
mem_initcall(samx6i_mem_init);
static int samx6i_devices_init(void)
{
int ret;
char *environment_path, *envdev;
int flag_spi = 0, flag_mmc = 0;
if (!(of_machine_is_compatible("kontron,imx6q-samx6i") ||
of_machine_is_compatible("kontron,imx6dl-samx6i")))
return 0;
barebox_set_hostname("samx6i");
switch (bootsource_get()) {
case BOOTSOURCE_MMC:
environment_path = basprintf("/chosen/environment-sd%d",
bootsource_get_instance() + 1);
envdev = "MMC";
flag_mmc = BBU_HANDLER_FLAG_DEFAULT;
break;
default:
environment_path = basprintf("/chosen/environment-spinor");
envdev = "SPI NOR flash";
flag_spi = BBU_HANDLER_FLAG_DEFAULT;
break;
}
ret = of_device_enable_path(environment_path);
if (ret < 0)
pr_warn("Failed to enable environment partition '%s' (%d)\n",
environment_path, ret);
free(environment_path);
pr_notice("Using environment in %s\n", envdev);
imx6_bbu_internal_spi_i2c_register_handler("m25p80",
"/dev/m25p0.bootloader",
flag_spi);
imx6_bbu_internal_mmc_register_handler("mmc3",
"/dev/mmc3.bootloader",
flag_mmc);
return 0;
}
device_initcall(samx6i_devices_init);
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