hikey: fix to load FIP by partition table.

Avoid to load FIP by hacking address. Load it by partition table instead.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Change-Id: I0283fc2e6e459bff14de19d92db4158e05106ee4

plat/hisilicon/hikey/hikey_bl2_setup.c

@@ -114,6 +114,11 @@ uint32_t hikey_get_spsr_for_bl33_entry(void)
 }
 #endif /* __aarch64__ */
 
+int bl2_plat_handle_pre_image_load(unsigned int image_id)
+{
+	return hikey_set_fip_addr(image_id, "fastboot");
+}
+
 int hikey_bl2_handle_post_image_load(unsigned int image_id)
 {
 	int err = 0;

plat/hisilicon/hikey/hikey_io_storage.c

@@ -18,6 +18,7 @@
 #include <drivers/io/io_memmap.h>
 #include <drivers/io/io_storage.h>
 #include <drivers/mmc.h>
+#include <drivers/partition/partition.h>
 #include <lib/mmio.h>
 #include <lib/semihosting.h>
 #include <tools_share/firmware_image_package.h>
@@ -43,9 +44,12 @@ static uintptr_t fip_dev_handle;
 static int check_emmc(const uintptr_t spec);
 static int check_fip(const uintptr_t spec);
 
-static const io_block_spec_t emmc_fip_spec = {
-	.offset		= HIKEY_FIP_BASE,
-	.length		= HIKEY_FIP_MAX_SIZE,
+static io_block_spec_t emmc_fip_spec;
+
+static const io_block_spec_t emmc_gpt_spec = {
+	.offset		= 0,
+	.length		= PLAT_PARTITION_BLOCK_SIZE *
+			  (PLAT_PARTITION_MAX_ENTRIES / 4 + 2),
 };
 
 static const io_block_dev_spec_t emmc_dev_spec = {
@@ -213,6 +217,11 @@ static const struct plat_io_policy policies[] = {
 		check_fip
 	},
 #endif /* TRUSTED_BOARD_BOOT */
+	[GPT_IMAGE_ID] = {
+		&emmc_dev_handle,
+		(uintptr_t)&emmc_gpt_spec,
+		check_emmc
+	},
 };
 
 static int check_emmc(const uintptr_t spec)
@@ -267,6 +276,23 @@ void hikey_io_setup(void)
 	(void)result;
 }
 
+int hikey_set_fip_addr(unsigned int image_id, const char *name)
+{
+	const partition_entry_t *entry;
+
+	if (emmc_fip_spec.length == 0) {
+		partition_init(GPT_IMAGE_ID);
+		entry = get_partition_entry(name);
+		if (entry == NULL) {
+			ERROR("Could NOT find the %s partition!\n", name);
+			return -ENOENT;
+		}
+		emmc_fip_spec.offset = entry->start;
+		emmc_fip_spec.length = entry->length;
+	}
+	return 0;
+}
+
 /* Return an IO device handle and specification which can be used to access
  * an image. Use this to enforce platform load policy
  */

plat/hisilicon/hikey/hikey_private.h

@@ -72,4 +72,6 @@ int hikey_write_serialno(struct random_serial_num *serialno);
 
 void init_acpu_dvfs(void);
 
+int hikey_set_fip_addr(unsigned int image_id, const char *name);
+
 #endif /* HIKEY_PRIVATE_H */

plat/hisilicon/hikey/include/hikey_def.h

@@ -84,8 +84,6 @@
 #define HIKEY_BL1_MMC_DATA_SIZE		0x0000B000
 
 #define EMMC_BASE			0
-#define HIKEY_FIP_BASE			(EMMC_BASE + (4 << 20))
-#define HIKEY_FIP_MAX_SIZE		(8 << 20)
 #define HIKEY_EMMC_RPMB_BASE		(EMMC_BASE + 0)
 #define HIKEY_EMMC_RPMB_MAX_SIZE	(128 << 10)
 #define HIKEY_EMMC_USERDATA_BASE	(EMMC_BASE + 0)

plat/hisilicon/hikey/platform.mk

@@ -76,6 +76,8 @@ BL2_SOURCES		+=	common/desc_image_load.c		\
 				drivers/io/io_fip.c			\
 				drivers/io/io_storage.c			\
 				drivers/mmc/mmc.c			\
+				drivers/partition/gpt.c			\
+				drivers/partition/partition.c		\
 				drivers/synopsys/emmc/dw_mmc.c		\
 				lib/cpus/aarch64/cortex_a53.S		\
 				plat/hisilicon/hikey/aarch64/hikey_helpers.S \