arm-trusted-firmware: Fix BL2 fail on Renesas BSP 4.7.0.

Backport [1] to fix boot error:

  NOTICE:  BL2: Cannot set compatible string, board unsupported

[1]: https://github.com/renesas-rcar/arm-trusted-firmware/commit/3ebd371fa1b1137ddee85b1825d1c1ce31c719d1

Bug-AGL: SPEC-3916
Change-Id: I5289437e71140d16a9e3505733b6423ec79ffe81
Signed-off-by: Vasyl Vavrychuk <vasyl.vavrychuk@opensynergy.com>

2 files changed, 147 insertions, 0 deletions

diff --git a/meta-agl-refhw-gen3/recipes-bsp/arm-trusted-firmware/arm-trusted-firmware_%.bbappend b/meta-agl-refhw-gen3/recipes-bsp/arm-trusted-firmware/arm-trusted-firmware_%.bbappend
index 962f84e..d36946c 100644
--- a/meta-agl-refhw-gen3/recipes-bsp/arm-trusted-firmware/arm-trusted-firmware_%.bbappend
+++ b/meta-agl-refhw-gen3/recipes-bsp/arm-trusted-firmware/arm-trusted-firmware_%.bbappend
@@ -1,5 +1,7 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
 
+SRC_URI_append_agl-refhw-h3 = " file://0001-rcar_gen3-plat-Delete-FDT-function-calls.patch"
+
 # Apply the patch AGL applies for all rcar3 in meta-agl-bsp when
 # building the standalone agl-refhw-h3 machine.
 SRC_URI_append_agl-refhw-h3 = " file://0001-Boot-Normal-World-in-EL2.patch"
diff --git a/meta-agl-refhw-gen3/recipes-bsp/arm-trusted-firmware/files/0001-rcar_gen3-plat-Delete-FDT-function-calls.patch b/meta-agl-refhw-gen3/recipes-bsp/arm-trusted-firmware/files/0001-rcar_gen3-plat-Delete-FDT-function-calls.patch
new file mode 100644
index 0000000..067bbb2
--- /dev/null
+++ b/meta-agl-refhw-gen3/recipes-bsp/arm-trusted-firmware/files/0001-rcar_gen3-plat-Delete-FDT-function-calls.patch
@@ -0,0 +1,145 @@
+From a8e6139af9a307cc30d2e804819da963e419f017 Mon Sep 17 00:00:00 2001
+From: Toshiyuki Ogasahara <toshiyuki.ogasahara.bo@hitachi.com>
+Date: Tue, 15 Dec 2020 18:23:32 +0900
+Subject: [PATCH] rcar_gen3: plat: Delete FDT function calls
+
+Since U-boot configures the device tree, the FDT function call by
+BL31 is removed.
+
+Signed-off-by: Toshiyuki Ogasahara <toshiyuki.ogasahara.bo@hitachi.com>
+Signed-off-by: Yoshifumi Hosoya <yoshifumi.hosoya.wj@renesas.com>
+---
+ plat/renesas/rcar/bl2_plat_setup.c | 27 +++++++++++++++++++--------
+ 1 file changed, 19 insertions(+), 8 deletions(-)
+
+diff --git a/plat/renesas/rcar/bl2_plat_setup.c b/plat/renesas/rcar/bl2_plat_setup.c
+index 24a13c7f7..59a72b5bb 100644
+--- a/plat/renesas/rcar/bl2_plat_setup.c
++++ b/plat/renesas/rcar/bl2_plat_setup.c
+@@ -110,6 +110,7 @@ static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE);
+ 
+ /* FDT with DRAM configuration */
+ uint64_t fdt_blob[PAGE_SIZE_4KB / sizeof(uint64_t)];
++#if 0
+ static void *fdt = (void *)fdt_blob;
+ 
+ static void unsigned_num_print(unsigned long long int unum, unsigned int radix,
+@@ -133,7 +134,7 @@ static void unsigned_num_print(unsigned long long int unum, unsigned int radix,
+ 	while (--i >= 0)
+ 		*string++ = num_buf[i];
+ }
+-
++#endif
+ #if (RCAR_LOSSY_ENABLE == 1)
+ typedef struct bl2_lossy_info {
+ 	uint32_t magic;
+@@ -145,6 +146,7 @@ static void bl2_lossy_gen_fdt(uint32_t no, uint64_t start_addr,
+ 			      uint64_t end_addr, uint32_t format,
+ 			      uint32_t enable, int fcnlnode)
+ {
++#if 0
+ 	const uint64_t fcnlsize = cpu_to_fdt64(end_addr - start_addr);
+ 	char nodename[40] = { 0 };
+ 	int ret, node;
+@@ -199,6 +201,7 @@ static void bl2_lossy_gen_fdt(uint32_t no, uint64_t start_addr,
+ 		NOTICE("BL2: Cannot add FCNL formats prop (ret=%i)\n", ret);
+ 		panic();
+ 	}
++#endif
+ }
+ 
+ static void bl2_lossy_setting(uint32_t no, uint64_t start_addr,
+@@ -449,6 +452,7 @@ struct meminfo *bl2_plat_sec_mem_layout(void)
+ 	return &bl2_tzram_layout;
+ }
+ 
++#if 0
+ static void bl2_populate_compatible_string(void *dt)
+ {
+ 	uint32_t board_type;
+@@ -537,13 +541,17 @@ static void bl2_populate_compatible_string(void *dt)
+ 		panic();
+ 	}
+ }
++#endif
+ 
+ static void bl2_advertise_dram_entries(uint64_t dram_config[8])
+ {
++#if 0
+ 	char nodename[32] = { 0 };
+-	uint64_t start, size;
+ 	uint64_t fdtsize;
+-	int ret, node, chan;
++	int ret, node;
++#endif
++	uint64_t start, size;
++	int chan;
+ 
+ 	for (chan = 0; chan < 4; chan++) {
+ 		start = dram_config[2 * chan];
+@@ -556,7 +564,7 @@ static void bl2_advertise_dram_entries(uint64_t dram_config[8])
+ 			(size >> 30) ? : size >> 20,
+ 			(size >> 30) ? "G" : "M");
+ 	}
+-
++#if 0
+ 	/*
+ 	 * We add the DT nodes in reverse order here. The fdt_add_subnode()
+ 	 * adds the DT node before the first existing DT node, so we have
+@@ -604,6 +612,7 @@ static void bl2_advertise_dram_entries(uint64_t dram_config[8])
+ err:
+ 	NOTICE("BL2: Cannot add memory node to FDT (ret=%i)\n", ret);
+ 	panic();
++#endif
+ }
+ 
+ static void bl2_advertise_dram_size(uint32_t product)
+@@ -927,7 +936,7 @@ lcm_state:
+ 		}
+ 		rcar_qos_init();
+ 	}
+-
++#if 0
+ 	/* Set up FDT */
+ 	ret = fdt_create_empty_tree(fdt, sizeof(fdt_blob));
+ 	if (ret) {
+@@ -937,7 +946,7 @@ lcm_state:
+ 
+ 	/* Add platform compatible string */
+ 	bl2_populate_compatible_string(fdt);
+-
++#endif
+ 	/* Print DRAM layout */
+ 	bl2_advertise_dram_size(product);
+ 
+@@ -989,14 +998,14 @@ lcm_state:
+ 	}
+ #if (RCAR_LOSSY_ENABLE == 1)
+ 	NOTICE("BL2: Lossy Decomp areas\n");
+-
++#if 0
+ 	fcnlnode = fdt_add_subnode(fdt, 0, "reserved-memory");
+ 	if (fcnlnode < 0) {
+ 		NOTICE("BL2: Cannot create reserved mem node (ret=%i)\n",
+ 			fcnlnode);
+ 		panic();
+ 	}
+-
++#endif
+ 	bl2_lossy_setting(0, LOSSY_ST_ADDR0, LOSSY_END_ADDR0,
+ 			  LOSSY_FMT0, LOSSY_ENA_DIS0, fcnlnode);
+ 	bl2_lossy_setting(1, LOSSY_ST_ADDR1, LOSSY_END_ADDR1,
+@@ -1005,8 +1014,10 @@ lcm_state:
+ 			  LOSSY_FMT2, LOSSY_ENA_DIS2, fcnlnode);
+ #endif
+ 
++#if 0
+ 	fdt_pack(fdt);
+ 	NOTICE("BL2: FDT at %p\n", fdt);
++#endif
+ 
+ 	if (boot_dev == MODEMR_BOOT_DEV_EMMC_25X1 ||
+ 	    boot_dev == MODEMR_BOOT_DEV_EMMC_50X8)
+-- 
+2.30.2
+