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spl: fit: Break out some functions into a common file

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Some of the functions within spl_fit will be used for non spl purposes.
Instead of duplicating functions simply break the functions to be reused
into its own file.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
[trini: Only add the new define to image.h, otherwise we see breakage
due to massive include leakage into host tools in some cases]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Cooper Jr., Franklin 2017-06-16 17:25:05 -05:00 committed by Tom Rini
parent e936f997a9
commit 3863f840fa
4 changed files with 66 additions and 53 deletions
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1
common/Makefile
View file

@ -96,6 +96,7 @@ obj-$(CONFIG_SPL_DFU_SUPPORT) += cli_hush.o
obj-$(CONFIG_SPL_HASH_SUPPORT) += hash.o
obj-$(CONFIG_ENV_IS_IN_FLASH) += env_flash.o
obj-$(CONFIG_SPL_YMODEM_SUPPORT) += xyzModem.o
obj-$(CONFIG_SPL_LOAD_FIT) += common_fit.o
obj-$(CONFIG_SPL_NET_SUPPORT) += miiphyutil.o
obj-$(CONFIG_SPL_OF_LIBFDT) += fdt_support.o
ifdef CONFIG_SPL_USB_HOST_SUPPORT

62
common/common_fit.c Normal file
View file

@ -0,0 +1,62 @@
/*
* Copyright (C) 2016 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <errno.h>
#include <image.h>
#include <libfdt.h>
#include <spl.h>
ulong fdt_getprop_u32(const void *fdt, int node, const char *prop)
{
const u32 *cell;
int len;
cell = fdt_getprop(fdt, node, prop, &len);
if (!cell || len != sizeof(*cell))
return FDT_ERROR;
return fdt32_to_cpu(*cell);
}
/*
* Iterate over all /configurations subnodes and call a platform specific
* function to find the matching configuration.
* Returns the node offset or a negative error number.
*/
int fit_find_config_node(const void *fdt)
{
const char *name;
int conf, node, len;
conf = fdt_path_offset(fdt, FIT_CONFS_PATH);
if (conf < 0) {
debug("%s: Cannot find /configurations node: %d\n", __func__,
conf);
return -EINVAL;
}
for (node = fdt_first_subnode(fdt, conf);
node >= 0;
node = fdt_next_subnode(fdt, node)) {
name = fdt_getprop(fdt, node, "description", &len);
if (!name) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("%s: Missing FDT description in DTB\n",
__func__);
#endif
return -EINVAL;
}
if (board_fit_config_name_match(name))
continue;
debug("Selecting config '%s'", name);
return node;
}
return -ENOENT;
}

54
common/spl/spl_fit.c
View file

@ -11,58 +11,6 @@
#include <libfdt.h>
#include <spl.h>
#define FDT_ERROR ((ulong)(-1))
static ulong fdt_getprop_u32(const void *fdt, int node, const char *prop)
{
const u32 *cell;
int len;
cell = fdt_getprop(fdt, node, prop, &len);
if (!cell || len != sizeof(*cell))
return FDT_ERROR;
return fdt32_to_cpu(*cell);
}
/*
* Iterate over all /configurations subnodes and call a platform specific
* function to find the matching configuration.
* Returns the node offset or a negative error number.
*/
static int spl_fit_find_config_node(const void *fdt)
{
const char *name;
int conf, node, len;
conf = fdt_path_offset(fdt, FIT_CONFS_PATH);
if (conf < 0) {
debug("%s: Cannot find /configurations node: %d\n", __func__,
conf);
return -EINVAL;
}
for (node = fdt_first_subnode(fdt, conf);
node >= 0;
node = fdt_next_subnode(fdt, node)) {
name = fdt_getprop(fdt, node, "description", &len);
if (!name) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("%s: Missing FDT description in DTB\n",
__func__);
#endif
return -EINVAL;
}
if (board_fit_config_name_match(name))
continue;
debug("Selecting config '%s'", name);
return node;
}
return -ENOENT;
}
/**
* spl_fit_get_image_node(): By using the matching configuration subnode,
* retrieve the name of an image, specified by a property name and an index
@ -82,7 +30,7 @@ static int spl_fit_get_image_node(const void *fit, int images,
int node, conf_node;
int len, i;
conf_node = spl_fit_find_config_node(fit);
conf_node = fit_find_config_node(fit);
if (conf_node < 0) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("No matching DT out of these options:\n");

2
include/image.h
View file

@ -1270,6 +1270,8 @@ int board_fit_config_name_match(const char *name);
void board_fit_image_post_process(void **p_image, size_t *p_size);
#endif /* CONFIG_SPL_FIT_IMAGE_POST_PROCESS */
#define FDT_ERROR ((ulong)(-1))
/**
* Mapping of image types to function handlers to be invoked on the associated
* loaded images