From 5cdaa3305ec928f07fb8e55531d7082aeaecbeb9 Mon Sep 17 00:00:00 2001
From: Patrick Rudolph <patrick.rudolph@9elements.com>
Date: Fri, 20 Apr 2018 14:43:21 +0200
Subject: soc/cavium/cn81xx: Use ATF from blobs repo

Use precompiled BL31 from blobs repo.

There's no check for USE_BLOBS here as the included file is "free":
The BL31 is Open-Source and licensed under BSD.

Change-Id: I7e9eb429d11150d43aa070d1bd6a11ea71951ce3
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/25751
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
---
 src/soc/cavium/cn81xx/soc.c | 56 ++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 53 insertions(+), 3 deletions(-)

(limited to 'src/soc/cavium/cn81xx/soc.c')

diff --git a/src/soc/cavium/cn81xx/soc.c b/src/soc/cavium/cn81xx/soc.c
index 370e2e83a9..9dbbcbf1fd 100644
--- a/src/soc/cavium/cn81xx/soc.c
+++ b/src/soc/cavium/cn81xx/soc.c
@@ -37,7 +37,10 @@
 #include <libbdk-hal/bdk-qlm.h>
 #include <libbdk-hal/bdk-config.h>
 #include <libbdk-arch/bdk-csrs-bgx.h>
-
+#include <bootmem.h>
+#include <soc/bl31_plat_params.h>
+#include <cbfs.h>
+#include <cbmem.h>
 #include <fit.h>
 
 static const char *QLM_BGX_MODE_MAP[BDK_QLM_MODE_LAST] = {
@@ -289,18 +292,62 @@ static int dt_platform_fixup(struct device_tree_fixup *fixup,
 	return 0;
 }
 
+extern u8 _bl31[];
+extern u8 _ebl31[];
+extern u8 _sff8104[];
+extern u8 _esff8104[];
+
+void bootmem_platform_add_ranges(void)
+{
+	/* ATF reserved */
+	bootmem_add_range((uintptr_t)_bl31,
+			  ((uintptr_t)_ebl31 - (uintptr_t)_bl31),
+			  BM_MEM_RESERVED);
+
+	bootmem_add_range((uintptr_t)_sff8104,
+			  ((uintptr_t)_esff8104 - (uintptr_t)_sff8104),
+			  BM_MEM_RESERVED);
+
+	/* Scratchpad for ATF SATA quirks */
+	bootmem_add_range(sdram_size_mb() * KiB, 1 * MiB, BM_MEM_RESERVED);
+}
+
 static void soc_read_resources(device_t dev)
 {
 	ram_resource(dev, 0, (uintptr_t)_dram / KiB, sdram_size_mb() * KiB);
 }
 
+static void soc_init_atf(void)
+{
+	static struct bl31_fdt_param fdt_param = {
+		.h = { .type = PARAM_FDT, },
+	};
+
+	size_t size = 0;
+
+	void *ptr = cbfs_boot_map_with_leak("sff8104-linux.dtb",
+					    CBFS_TYPE_RAW, &size);
+	if (ptr)
+		memcpy(_sff8104, ptr, size);
+	/* Point to devicetree in secure memory */
+	fdt_param.fdt_ptr = (uintptr_t)_sff8104;
+
+	register_bl31_param(&fdt_param.h);
+
+	static struct bl31_u64_param cbtable_param = {
+		.h = { .type = PARAM_COREBOOT_TABLE, },
+	};
+	/* Point to coreboot tables */
+	cbtable_param.value = (uint64_t)cbmem_find(CBMEM_ID_CBTABLE);
+	if (cbtable_param.value)
+		register_bl31_param(&cbtable_param.h);
+}
+
 static void soc_init(device_t dev)
 {
 	/* Init ECAM, MDIO, PEM, PHY, QLM ... */
 	bdk_boot();
 
-	/* TODO: additional trustzone init */
-
 	if (IS_ENABLED(CONFIG_PAYLOAD_FIT_SUPPORT)) {
 		struct device_tree_fixup *dt_fixup;
 
@@ -311,6 +358,9 @@ static void soc_init(device_t dev)
 					  &device_tree_fixups);
 		}
 	}
+
+	if (IS_ENABLED(CONFIG_ARM64_USE_ARM_TRUSTED_FIRMWARE))
+		soc_init_atf();
 }
 
 static void soc_final(device_t dev)
-- 
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