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/*
* Copyright (C) 2018 Sascha Hauer <s.hauer@pengutronix.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; version 2.
*
* 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.
*/
#include <boot.h>
#include <common.h>
#include <environment.h>
#include <image.h>
#include <fs.h>
#include <xfuncs.h>
#include <malloc.h>
#include <fcntl.h>
#include <errno.h>
#include <memory.h>
#include <of.h>
#include <init.h>
#include <bootm.h>
#include <linux/list.h>
#include <asm/byteorder.h>
#include <asm/setup.h>
#include <asm/barebox-arm.h>
#include <asm/armlinux.h>
#include <asm/system.h>
static int do_bootm_linux(struct image_data *data)
{
void (*fn)(unsigned long dtb, unsigned long x1, unsigned long x2,
unsigned long x3);
resource_size_t start, end;
unsigned long text_offset, image_size, devicetree, kernel;
unsigned long image_end;
int ret;
void *fdt;
text_offset = le64_to_cpup(data->os_header + 8);
image_size = le64_to_cpup(data->os_header + 16);
ret = memory_bank_first_find_space(&start, &end);
if (ret)
goto out;
kernel = ALIGN(start, SZ_2M) + text_offset;
ret = bootm_load_os(data, kernel);
if (ret)
goto out;
image_end = PAGE_ALIGN(kernel + image_size);
if (bootm_has_initrd(data)) {
ret = bootm_load_initrd(data, image_end);
if (ret)
return ret;
image_end += resource_size(data->initrd_res);
image_end = PAGE_ALIGN(image_end);
}
devicetree = image_end;
fdt = bootm_get_devicetree(data);
if (IS_ERR(fdt)) {
ret = PTR_ERR(fdt);
goto out;
}
ret = bootm_load_devicetree(data, fdt, devicetree);
free(fdt);
if (ret)
goto out;
printf("Loaded kernel to 0x%08lx, devicetree at 0x%08lx\n",
kernel, devicetree);
shutdown_barebox();
fn = (void *)kernel;
fn(devicetree, 0, 0, 0);
ret = -EINVAL;
out:
return ret;
}
static struct image_handler aarch64_linux_handler = {
.name = "ARM aarch64 Linux image",
.bootm = do_bootm_linux,
.filetype = filetype_arm64_linux_image,
};
static int do_bootm_barebox(struct image_data *data)
{
void (*fn)(unsigned long x0, unsigned long x1, unsigned long x2,
unsigned long x3);
resource_size_t start, end;
unsigned long barebox;
int ret;
ret = memory_bank_first_find_space(&start, &end);
if (ret)
goto out;
barebox = start;
ret = bootm_load_os(data, barebox);
if (ret)
goto out;
printf("Loaded barebox image to 0x%08lx\n", barebox);
shutdown_barebox();
fn = (void *)barebox;
fn(0, 0, 0, 0);
ret = -EINVAL;
out:
return ret;
}
static struct image_handler aarch64_barebox_handler = {
.name = "ARM aarch64 barebox image",
.bootm = do_bootm_barebox,
.filetype = filetype_arm_barebox,
};
static int aarch64_register_image_handler(void)
{
register_image_handler(&aarch64_linux_handler);
register_image_handler(&aarch64_barebox_handler);
return 0;
}
late_initcall(aarch64_register_image_handler);
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