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, 56 insertions, 0 deletions

diff --git a/plat/rockchip/common/aarch32/pmu_sram_cpus_on.S b/plat/rockchip/common/aarch32/pmu_sram_cpus_on.S
new file mode 100644
index 0000000..a05ae54
--- /dev/null
+++ b/plat/rockchip/common/aarch32/pmu_sram_cpus_on.S
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <platform_def.h>
+
+	.globl pmu_cpuson_entrypoint
+	.macro pmusram_entry_func _name
+	.section .pmusram.entry, "ax"
+	.type \_name, %function
+	.cfi_startproc
+	\_name:
+	.endm
+
+pmusram_entry_func pmu_cpuson_entrypoint
+
+#if PSRAM_CHECK_WAKEUP_CPU
+check_wake_cpus:
+	ldcopr	r0, MPIDR
+	and	r1, r0, #MPIDR_CPU_MASK
+#ifdef PLAT_RK_MPIDR_CLUSTER_MASK
+	and	r0, r0, #PLAT_RK_MPIDR_CLUSTER_MASK
+#else
+	and	r0, r0, #MPIDR_CLUSTER_MASK
+#endif
+	orr	r0, r0, r1
+
+	/* primary_cpu */
+	ldr	r1, boot_mpidr
+	cmp	r0, r1
+	beq	sys_wakeup
+
+	/*
+	 * If the core is not the primary cpu,
+	 * force the core into wfe.
+	 */
+wfe_loop:
+	wfe
+	b	wfe_loop
+sys_wakeup:
+#endif
+
+#if PSRAM_DO_DDR_RESUME
+ddr_resume:
+	ldr	r2, =__bl32_sram_stack_end
+	mov     sp, r2
+	bl	dmc_resume
+#endif
+	bl	sram_restore
+sys_resume:
+	bl	sp_min_warm_entrypoint
+endfunc pmu_cpuson_entrypoint