diff --git a/include/uuid.h b/include/uuid.h
index 539affaa47b9..b38b20d957ef 100644
--- a/include/uuid.h
+++ b/include/uuid.h
@@ -69,10 +69,10 @@ struct uuid {
 } __packed;
 
 /* Bits of a bitmask specifying the output format for GUIDs */
 #define UUID_STR_FORMAT_STD	0
-#define UUID_STR_FORMAT_GUID	BIT(0)
-#define UUID_STR_UPPER_CASE	BIT(1)
+#define UUID_STR_FORMAT_GUID	0x1
+#define UUID_STR_UPPER_CASE	0x2
 
 /* Use UUID_STR_LEN + 1 for string space */
 #define UUID_STR_LEN		36
 #define UUID_BIN_LEN		sizeof(struct uuid)
diff --git a/lib/uuid.c b/lib/uuid.c
index 6ef006cca1da..b6ad3dd06f6f 100644
--- a/lib/uuid.c
+++ b/lib/uuid.c
@@ -6,25 +6,38 @@
  * Authors:
  *   Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
  */
 
-#define LOG_CATEGOT LOGC_CORE
-
+#ifndef USE_HOSTCC
 #include <command.h>
 #include <efi_api.h>
 #include <env.h>
 #include <rand.h>
 #include <time.h>
-#include <uuid.h>
-#include <linux/ctype.h>
-#include <errno.h>
 #include <asm/io.h>
 #include <part_efi.h>
 #include <malloc.h>
 #include <dm/uclass.h>
 #include <rng.h>
+#include <linux/ctype.h>
+#include <hexdump.h>
+#else
+#include <stdarg.h>
+#include <stdint.h>
+#include <eficapsule.h>
+#include <ctype.h>
+#endif
+#include <linux/types.h>
+#include <errno.h>
+#include <linux/kconfig.h>
+#include <uuid.h>
 #include <u-boot/sha1.h>
 
+#ifdef USE_HOSTCC
+/* polyfill hextoul to avoid pulling in strto.c */
+#define hextoul(cp, endp) strtoul(cp, endp, 16)
+#endif
+
 int uuid_str_valid(const char *uuid)
 {
 	int i, valid;
 
@@ -51,8 +64,9 @@ int uuid_str_valid(const char *uuid)
 static const struct {
 	const char *string;
 	efi_guid_t guid;
 } list_guid[] = {
+#ifndef USE_HOSTCC
 #ifdef CONFIG_PARTITION_TYPE_GUID
 	{"system",	PARTITION_SYSTEM_GUID},
 	{"mbr",		LEGACY_MBR_PARTITION_GUID},
 	{"msft",	PARTITION_MSFT_RESERVED_GUID},
@@ -231,8 +245,9 @@ static const struct {
 	{ "EFI_MEMORY_TYPE", EFI_MEMORY_TYPE },
 	{ "EFI_MEM_STATUS_CODE_REC", EFI_MEM_STATUS_CODE_REC },
 	{ "EFI_GUID_EFI_ACPI1", EFI_GUID_EFI_ACPI1 },
 #endif
+#endif /* !USE_HOSTCC */
 };
 
 int uuid_guid_get_bin(const char *guid_str, unsigned char *guid_bin)
 {
@@ -266,9 +281,8 @@ int uuid_str_to_bin(const char *uuid_str, unsigned char *uuid_bin,
 	uint32_t tmp32;
 	uint64_t tmp64;
 
 	if (!uuid_str_valid(uuid_str)) {
-		log_debug("not valid\n");
 #ifdef CONFIG_PARTITION_TYPE_GUID
 		if (!uuid_guid_get_bin(uuid_str, uuid_bin))
 			return 0;
 #endif
@@ -297,19 +311,19 @@ int uuid_str_to_bin(const char *uuid_str, unsigned char *uuid_bin,
 
 	tmp16 = cpu_to_be16(hextoul(uuid_str + 19, NULL));
 	memcpy(uuid_bin + 8, &tmp16, 2);
 
-	tmp64 = cpu_to_be64(simple_strtoull(uuid_str + 24, NULL, 16));
+	tmp64 = cpu_to_be64(hextoul(uuid_str + 24, NULL));
 	memcpy(uuid_bin + 10, (char *)&tmp64 + 2, 6);
 
 	return 0;
 }
 
 int uuid_str_to_le_bin(const char *uuid_str, unsigned char *uuid_bin)
 {
-	u16 tmp16;
-	u32 tmp32;
-	u64 tmp64;
+	uint16_t tmp16;
+	uint32_t tmp32;
+	uint64_t tmp64;
 
 	if (!uuid_str_valid(uuid_str) || !uuid_bin)
 		return -EINVAL;
 
@@ -324,22 +338,22 @@ int uuid_str_to_le_bin(const char *uuid_str, unsigned char *uuid_bin)
 
 	tmp16 = cpu_to_le16(hextoul(uuid_str + 19, NULL));
 	memcpy(uuid_bin + 8, &tmp16, 2);
 
-	tmp64 = cpu_to_le64(simple_strtoull(uuid_str + 24, NULL, 16));
+	tmp64 = cpu_to_le64(hextoul(uuid_str + 24, NULL));
 	memcpy(uuid_bin + 10, &tmp64, 6);
 
 	return 0;
 }
 
 void uuid_bin_to_str(const unsigned char *uuid_bin, char *uuid_str,
 		     int str_format)
 {
-	const u8 uuid_char_order[UUID_BIN_LEN] = {0, 1, 2, 3, 4, 5, 6, 7, 8,
+	const uint8_t uuid_char_order[UUID_BIN_LEN] = {0, 1, 2, 3, 4, 5, 6, 7, 8,
 						  9, 10, 11, 12, 13, 14, 15};
-	const u8 guid_char_order[UUID_BIN_LEN] = {3, 2, 1, 0, 5, 4, 7, 6, 8,
+	const uint8_t guid_char_order[UUID_BIN_LEN] = {3, 2, 1, 0, 5, 4, 7, 6, 8,
 						  9, 10, 11, 12, 13, 14, 15};
-	const u8 *char_order;
+	const uint8_t *char_order;
 	const char *format;
 	int i;
 
 	/*
@@ -405,8 +419,9 @@ void gen_uuid_v5(const struct uuid *namespace, struct uuid *uuid, ...)
 	uuid->clock_seq_hi_and_reserved |= UUID_VARIANT << UUID_VARIANT_SHIFT;
 }
 #endif
 
+#ifndef USE_HOSTCC
 #if defined(CONFIG_RANDOM_UUID) || defined(CONFIG_CMD_UUID)
 void gen_rand_uuid(unsigned char *uuid_bin)
 {
 	u32 ptr[4];
@@ -494,4 +509,5 @@ U_BOOT_CMD(guid, CONFIG_SYS_MAXARGS, 1, do_uuid,
 	   "e.g. guid guid_env"
 );
 #endif /* CONFIG_CMD_UUID */
 #endif /* CONFIG_RANDOM_UUID || CONFIG_CMD_UUID */
+#endif /* !USE_HOSTCC */
