blob: 31f68a29a8cf4735a9dde7f289eeb34a89552e38 [file] [log] [blame]
/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <debug.h>
#include <mmc.h>
#include <ufs.h>
#include <platform/iomap.h>
#include <boot_device.h>
static uint32_t boot_device;
void platform_read_boot_config()
{
boot_device = BOOT_DEVICE_MASK(readl(BOOT_CONFIG_REG));
}
uint32_t platform_get_boot_dev()
{
return boot_device;
}
/*
* Return 1 if boot from emmc else 0
*/
uint32_t platform_boot_dev_isemmc()
{
uint32_t boot_dev_type;
boot_dev_type = platform_get_boot_dev();
if (boot_dev_type == BOOT_EMMC || boot_dev_type == BOOT_DEFAULT)
boot_dev_type = 1;
else
boot_dev_type = 0;
return boot_dev_type;
}
void platform_boot_dev_cmdline(char *buf)
{
uint32_t val = 0;
void *dev;
dev = target_mmc_device();
val = platform_get_boot_dev();
switch(val)
{
case BOOT_DEFAULT:
case BOOT_EMMC:
sprintf(buf, "%x.sdhci", ((struct mmc_device *)dev)->host.base);
break;
case BOOT_UFS:
sprintf(buf, "%x.ufs", ((struct ufs_dev *)dev)->base);
break;
default:
dprintf(CRITICAL,"ERROR: Unexpected boot_device val=%x",val);
ASSERT(0);
};
}