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Diffstat (limited to 'arch/arm/mach-imx/imx8/cpu.c')
-rw-r--r--arch/arm/mach-imx/imx8/cpu.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c
index 103a29746a..6d7b17b464 100644
--- a/arch/arm/mach-imx/imx8/cpu.c
+++ b/arch/arm/mach-imx/imx8/cpu.c
@@ -585,3 +585,33 @@ void board_boot_order(u32 *spl_boot_list)
spl_boot_list[0] = BOOT_DEVICE_NOR;
}
}
+
+bool m4_parts_booted(void)
+{
+ sc_rm_pt_t m4_parts[2];
+ int err;
+
+ err = sc_rm_get_resource_owner(-1, SC_R_M4_0_PID0, &m4_parts[0]);
+ if (err) {
+ printf("%s get resource [%d] owner error: %d\n", __func__,
+ SC_R_M4_0_PID0, err);
+ return false;
+ }
+
+ if (sc_pm_is_partition_started(-1, m4_parts[0]))
+ return true;
+
+ if (is_imx8qm()) {
+ err = sc_rm_get_resource_owner(-1, SC_R_M4_1_PID0, &m4_parts[1]);
+ if (err) {
+ printf("%s get resource [%d] owner error: %d\n",
+ __func__, SC_R_M4_1_PID0, err);
+ return false;
+ }
+
+ if (sc_pm_is_partition_started(-1, m4_parts[1]))
+ return true;
+ }
+
+ return false;
+}