Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/plat/nxp/soc-ls1088a/aarch64/ls1088a_helpers.S b/plat/nxp/soc-ls1088a/aarch64/ls1088a_helpers.S
new file mode 100644
index 0000000..890cf81
--- /dev/null
+++ b/plat/nxp/soc-ls1088a/aarch64/ls1088a_helpers.S
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2022 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <platform_def.h>
+
+	.globl	plat_secondary_cold_boot_setup
+	.globl	plat_is_my_cpu_primary
+	.globl	plat_reset_handler
+	.globl  platform_mem_init
+
+func platform_mem1_init
+	ret
+endfunc platform_mem1_init
+
+func platform_mem_init
+	ret
+endfunc	platform_mem_init
+
+func apply_platform_errata
+	ret
+endfunc apply_platform_errata
+
+func plat_reset_handler
+	mov	x29, x30
+	bl	apply_platform_errata
+
+#if defined(IMAGE_BL31)
+	ldr	x0, =POLICY_SMMU_PAGESZ_64K
+	cbz	x0, 1f
+	/* Set the SMMU page size in the sACR register */
+	bl	_set_smmu_pagesz_64
+#endif
+1:
+	mov	x30, x29
+	ret
+endfunc plat_reset_handler
+
+	/*
+	 * void plat_secondary_cold_boot_setup (void);
+	 *
+	 * This function performs any platform specific actions
+	 * needed for a secondary cpu after a cold reset e.g
+	 * mark the cpu's presence, mechanism to place it in a
+	 * holding pen etc.
+	 */
+func plat_secondary_cold_boot_setup
+	/* ls1088a does not do cold boot for secondary CPU */
+cb_panic:
+	b	cb_panic
+endfunc plat_secondary_cold_boot_setup
+
+	/*
+	 * unsigned int plat_is_my_cpu_primary (void);
+	 *
+	 * Find out whether the current cpu is the primary
+	 * cpu.
+	 */
+func plat_is_my_cpu_primary
+	mrs	x0, mpidr_el1
+	and	x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
+	cmp	x0, 0x0
+	cset	w0, eq
+	ret
+endfunc plat_is_my_cpu_primary