upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.6 KiB
62 lines
1.6 KiB
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2016 Socionext Inc.
|
|
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <linux/libfdt.h>
|
|
#include <asm/spin_table.h>
|
|
|
|
int spin_table_update_dt(void *fdt)
|
|
{
|
|
int cpus_offset, offset;
|
|
const char *prop;
|
|
int ret;
|
|
unsigned long rsv_addr = (unsigned long)&spin_table_reserve_begin;
|
|
unsigned long rsv_size = &spin_table_reserve_end -
|
|
&spin_table_reserve_begin;
|
|
|
|
cpus_offset = fdt_path_offset(fdt, "/cpus");
|
|
if (cpus_offset < 0)
|
|
return -ENODEV;
|
|
|
|
for (offset = fdt_first_subnode(fdt, cpus_offset);
|
|
offset >= 0;
|
|
offset = fdt_next_subnode(fdt, offset)) {
|
|
prop = fdt_getprop(fdt, offset, "device_type", NULL);
|
|
if (!prop || strcmp(prop, "cpu"))
|
|
continue;
|
|
|
|
/*
|
|
* In the first loop, we check if every CPU node specifies
|
|
* spin-table. Otherwise, just return successfully to not
|
|
* disturb other methods, like psci.
|
|
*/
|
|
prop = fdt_getprop(fdt, offset, "enable-method", NULL);
|
|
if (!prop || strcmp(prop, "spin-table"))
|
|
return 0;
|
|
}
|
|
|
|
for (offset = fdt_first_subnode(fdt, cpus_offset);
|
|
offset >= 0;
|
|
offset = fdt_next_subnode(fdt, offset)) {
|
|
prop = fdt_getprop(fdt, offset, "device_type", NULL);
|
|
if (!prop || strcmp(prop, "cpu"))
|
|
continue;
|
|
|
|
ret = fdt_setprop_u64(fdt, offset, "cpu-release-addr",
|
|
(unsigned long)&spin_table_cpu_release_addr);
|
|
if (ret)
|
|
return -ENOSPC;
|
|
}
|
|
|
|
ret = fdt_add_mem_rsv(fdt, rsv_addr, rsv_size);
|
|
if (ret)
|
|
return -ENOSPC;
|
|
|
|
printf(" Reserved memory region for spin-table: addr=%lx size=%lx\n",
|
|
rsv_addr, rsv_size);
|
|
|
|
return 0;
|
|
}
|
|
|