hikey960: 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: Ib476d024a51e4b9705441a0007d78f9fdf0ca078

plat/hisilicon/hikey960/hikey960_bl2_setup.c

@@ -18,6 +18,7 @@
 #include <drivers/delay_timer.h>
 #include <drivers/dw_ufs.h>
 #include <drivers/generic_delay_timer.h>
+#include <drivers/partition/partition.h>
 #include <drivers/ufs.h>
 #include <lib/mmio.h>
 #ifdef SPD_opteed
@@ -263,6 +264,11 @@ int hikey960_bl2_handle_post_image_load(unsigned int image_id)
  * This function can be used by the platforms to update/use image
  * information for given `image_id`.
  ******************************************************************************/
+int bl2_plat_handle_pre_image_load(unsigned int image_id)
+{
+	return hikey960_set_fip_addr(image_id, "fip");
+}
+
 int bl2_plat_handle_post_image_load(unsigned int image_id)
 {
 	return hikey960_bl2_handle_post_image_load(image_id);

plat/hisilicon/hikey960/hikey960_def.h

@@ -44,9 +44,6 @@
 #define PL011_UART_CLK_IN_HZ		19200000
 
 #define UFS_BASE			0
-/* FIP partition */
-#define HIKEY960_FIP_BASE		(UFS_BASE + 0x1400000)
-#define HIKEY960_FIP_MAX_SIZE		(12 << 20)
 
 #define HIKEY960_UFS_DESC_BASE		0x20000000
 #define HIKEY960_UFS_DESC_SIZE		0x00200000	/* 2MB */

plat/hisilicon/hikey960/hikey960_io_storage.c

@@ -18,6 +18,7 @@
 #include <drivers/io/io_fip.h>
 #include <drivers/io/io_memmap.h>
 #include <drivers/io/io_storage.h>
+#include <drivers/partition/partition.h>
 #include <lib/mmio.h>
 #include <lib/semihosting.h>
 #include <tools_share/firmware_image_package.h>
@@ -36,9 +37,12 @@ static int check_fip(const uintptr_t spec);
 size_t ufs_read_lun3_blks(int lba, uintptr_t buf, size_t size);
 size_t ufs_write_lun3_blks(int lba, const uintptr_t buf, size_t size);
 
-static const io_block_spec_t ufs_fip_spec = {
-	.offset		= HIKEY960_FIP_BASE,
-	.length		= HIKEY960_FIP_MAX_SIZE,
+static io_block_spec_t ufs_fip_spec;
+
+static const io_block_spec_t ufs_gpt_spec = {
+	.offset		= 0,
+	.length		= PLAT_PARTITION_BLOCK_SIZE *
+			  (PLAT_PARTITION_MAX_ENTRIES / 4 + 2),
 };
 
 static const io_block_dev_spec_t ufs_dev_spec = {
@@ -199,6 +203,11 @@ static const struct plat_io_policy policies[] = {
 		check_fip
 	},
 #endif /* TRUSTED_BOARD_BOOT */
+	[GPT_IMAGE_ID] = {
+		&ufs_dev_handle,
+		(uintptr_t)&ufs_gpt_spec,
+		check_ufs
+	},
 };
 
 static int check_ufs(const uintptr_t spec)
@@ -253,6 +262,23 @@ void hikey960_io_setup(void)
 	(void)result;
 }
 
+int hikey960_set_fip_addr(unsigned int image_id, const char *name)
+{
+	const partition_entry_t *entry;
+
+	if (ufs_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;
+		}
+		ufs_fip_spec.offset = entry->start;
+		ufs_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/hikey960/hikey960_private.h

@@ -26,6 +26,7 @@ void hikey960_init_mmu_el3(unsigned long total_base,
 			unsigned long coh_limit);
 void hikey960_io_setup(void);
 int hikey960_read_boardid(unsigned int *id);
+int hikey960_set_fip_addr(unsigned int image_id, const char *name);
 void hikey960_clk_init(void);
 void hikey960_pmu_init(void);
 void hikey960_regulator_enable(void);

plat/hisilicon/hikey960/platform.mk

@@ -22,11 +22,13 @@ COLD_BOOT_SINGLE_CPU		:=	1
 PLAT_PL061_MAX_GPIOS		:=	176
 PROGRAMMABLE_RESET_ADDRESS	:=	1
 ENABLE_SVE_FOR_NS		:=	0
+PLAT_PARTITION_BLOCK_SIZE	:=	4096
 
 # Process flags
 $(eval $(call add_define,HIKEY960_TSP_RAM_LOCATION_ID))
 $(eval $(call add_define,CRASH_CONSOLE_BASE))
 $(eval $(call add_define,PLAT_PL061_MAX_GPIOS))
+$(eval $(call add_define,PLAT_PARTITION_BLOCK_SIZE))
 
 # Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images
 # in the FIP if the platform requires.
@@ -75,6 +77,8 @@ BL2_SOURCES		+=	common/desc_image_load.c		\
 				drivers/io/io_block.c			\
 				drivers/io/io_fip.c			\
 				drivers/io/io_storage.c			\
+				drivers/partition/gpt.c			\
+				drivers/partition/partition.c		\
 				drivers/synopsys/ufs/dw_ufs.c		\
 				drivers/ufs/ufs.c			\
 				lib/cpus/aarch64/cortex_a53.S		\