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authorDmitry Shmidt <dimitrysh@google.com>2017-11-09 21:59:15 +0000
committerandroid-build-merger <android-build-merger@google.com>2017-11-09 21:59:15 +0000
commit377cb66540e9f5f26b97c779a411a302eeaf45a9 (patch)
tree068e57596704dce1bc7fd97a07b205a2e2f22d42 /plat/nvidia/tegra/soc/t210/plat_secondary.c
parentb52ceb2c86de78504cadaf718a0b0faef1875b7e (diff)
parentf80b69635a11abe97224cdd5699b7b11bf3293f5 (diff)
downloadarm-trusted-firmware-377cb66540e9f5f26b97c779a411a302eeaf45a9.tar.gz
Merge remote-tracking branch 'aosp/upstream-hikey' into armtf am: d7f137ecb7 am: 72a61be33b
am: f80b69635a Change-Id: I121dedc746e6db36c8e25fa019aa5f10c3ee22f6
Diffstat (limited to 'plat/nvidia/tegra/soc/t210/plat_secondary.c')
-rw-r--r--plat/nvidia/tegra/soc/t210/plat_secondary.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/plat/nvidia/tegra/soc/t210/plat_secondary.c b/plat/nvidia/tegra/soc/t210/plat_secondary.c
new file mode 100644
index 00000000..ecb258b9
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t210/plat_secondary.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <debug.h>
+#include <mmio.h>
+#include <pmc.h>
+#include <tegra_def.h>
+
+#define SB_CSR 0x0
+#define SB_CSR_NS_RST_VEC_WR_DIS (1 << 1)
+
+/* CPU reset vector */
+#define SB_AA64_RESET_LOW 0x30 /* width = 31:0 */
+#define SB_AA64_RESET_HI 0x34 /* width = 11:0 */
+
+extern void tegra_secure_entrypoint(void);
+
+/*******************************************************************************
+ * Setup secondary CPU vectors
+ ******************************************************************************/
+void plat_secondary_setup(void)
+{
+ uint32_t val;
+ uint64_t reset_addr = (uint64_t)tegra_secure_entrypoint;
+
+ INFO("Setting up secondary CPU boot\n");
+
+ /* setup secondary CPU vector */
+ mmio_write_32(TEGRA_SB_BASE + SB_AA64_RESET_LOW,
+ (reset_addr & 0xFFFFFFFF) | 1);
+ val = reset_addr >> 32;
+ mmio_write_32(TEGRA_SB_BASE + SB_AA64_RESET_HI, val & 0x7FF);
+
+ /* configure PMC */
+ tegra_pmc_cpu_setup(reset_addr);
+ tegra_pmc_lock_cpu_vectors();
+}