u-boot/drivers/core/util.c
Bin Meng e601ab1bb6 dm: util: Add a livetree equivalent API of dm_fdt_pre_reloc()
This adds a new API dm_ofnode_pre_reloc(), a livetree equivalent
API of dm_fdt_pre_reloc().

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-11-14 09:16:27 -08:00

80 lines
1.6 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2013 Google, Inc
*/
#include <common.h>
#include <dm/ofnode.h>
#include <dm/util.h>
#include <linux/libfdt.h>
#include <vsprintf.h>
#ifdef CONFIG_DM_WARN
void dm_warn(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vprintf(fmt, args);
va_end(args);
}
#endif
int list_count_items(struct list_head *head)
{
struct list_head *node;
int count = 0;
list_for_each(node, head)
count++;
return count;
}
bool dm_fdt_pre_reloc(const void *blob, int offset)
{
if (fdt_getprop(blob, offset, "u-boot,dm-pre-reloc", NULL))
return true;
#ifdef CONFIG_TPL_BUILD
if (fdt_getprop(blob, offset, "u-boot,dm-tpl", NULL))
return true;
#elif defined(CONFIG_SPL_BUILD)
if (fdt_getprop(blob, offset, "u-boot,dm-spl", NULL))
return true;
#else
/*
* In regular builds individual spl and tpl handling both
* count as handled pre-relocation for later second init.
*/
if (fdt_getprop(blob, offset, "u-boot,dm-spl", NULL) ||
fdt_getprop(blob, offset, "u-boot,dm-tpl", NULL))
return true;
#endif
return false;
}
bool dm_ofnode_pre_reloc(ofnode node)
{
if (ofnode_read_bool(node, "u-boot,dm-pre-reloc"))
return true;
#ifdef CONFIG_TPL_BUILD
if (ofnode_read_bool(node, "u-boot,dm-tpl"))
return true;
#elif defined(CONFIG_SPL_BUILD)
if (ofnode_read_bool(node, "u-boot,dm-spl"))
return true;
#else
/*
* In regular builds individual spl and tpl handling both
* count as handled pre-relocation for later second init.
*/
if (ofnode_read_bool(node, "u-boot,dm-spl") ||
ofnode_read_bool(node, "u-boot,dm-tpl"))
return true;
#endif
return false;
}