GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/include/drivers/nxp/timer/nxp_timer.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#
+#ifndef NXP_TIMER_H
+#define NXP_TIMER_H
+
+ /* System Counter Offset and Bit Mask */
+#define SYS_COUNTER_CNTCR_OFFSET	0x0
+#define SYS_COUNTER_CNTCR_EN		0x00000001
+#define CNTCR_EN_MASK			0x1
+
+#ifndef __ASSEMBLER__
+uint64_t get_timer_val(uint64_t start);
+
+#ifdef IMAGE_BL31
+void ls_configure_sys_timer(uintptr_t ls_sys_timctl_base,
+			    uint8_t ls_config_cntacr,
+			    uint8_t plat_ls_ns_timer_frame_id);
+void enable_init_timer(void);
+#endif
+
+/*
+ * Initialise the nxp on-chip free rolling usec counter as the delay
+ * timer.
+ */
+void delay_timer_init(uintptr_t nxp_timer_addr);
+void ls_bl31_timer_init(uintptr_t nxp_timer_addr);
+#endif	/* __ASSEMBLER__ */
+
+#endif /* NXP_TIMER_H */