diff options
Diffstat (limited to 'drivers/core')
| -rw-r--r-- | drivers/core/Makefile | 2 | ||||
| -rw-r--r-- | drivers/core/of_extra.c | 37 |
2 files changed, 38 insertions, 1 deletions
diff --git a/drivers/core/Makefile b/drivers/core/Makefile index 1c6795af13..d74b065a07 100644 --- a/drivers/core/Makefile +++ b/drivers/core/Makefile @@ -12,4 +12,4 @@ obj-$(CONFIG_DM) += dump.o obj-$(CONFIG_$(SPL_)REGMAP) += regmap.o obj-$(CONFIG_$(SPL_)SYSCON) += syscon-uclass.o obj-$(CONFIG_OF_LIVE) += of_access.o of_addr.o -obj-$(CONFIG_OF_CONTROL) += ofnode.o +obj-$(CONFIG_OF_CONTROL) += of_extra.o ofnode.o diff --git a/drivers/core/of_extra.c b/drivers/core/of_extra.c new file mode 100644 index 0000000000..0381909848 --- /dev/null +++ b/drivers/core/of_extra.c @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2017 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <libfdt.h> +#include <dm/of_access.h> +#include <dm/of_extra.h> +#include <dm/ofnode.h> + +int of_read_fmap_entry(ofnode node, const char *name, + struct fmap_entry *entry) +{ + const char *prop; + u32 reg[2]; + + if (ofnode_read_u32_array(node, "reg", reg, 2)) { + debug("Node '%s' has bad/missing 'reg' property\n", name); + return -FDT_ERR_NOTFOUND; + } + entry->offset = reg[0]; + entry->length = reg[1]; + entry->used = ofnode_read_s32_default(node, "used", entry->length); + prop = ofnode_read_string(node, "compress"); + entry->compress_algo = prop && !strcmp(prop, "lzo") ? + FMAP_COMPRESS_LZO : FMAP_COMPRESS_NONE; + prop = ofnode_read_string(node, "hash"); + if (prop) + entry->hash_size = strlen(prop); + entry->hash_algo = prop ? FMAP_HASH_SHA256 : FMAP_HASH_NONE; + entry->hash = (uint8_t *)prop; + + return 0; +} |