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

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/*
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <sunxi_def.h>
+#include <sunxi_mmap.h>
+
+	.globl	plat_crash_console_init
+	.globl	plat_crash_console_putc
+	.globl	plat_crash_console_flush
+	.globl	plat_my_core_pos
+	.globl	platform_mem_init
+	.globl	plat_report_exception
+
+func plat_crash_console_init
+	mov_imm x0, SUNXI_UART0_BASE
+	mov_imm x1, SUNXI_UART0_CLK_IN_HZ
+	mov_imm x2, SUNXI_UART0_BAUDRATE
+	b	console_16550_core_init
+endfunc plat_crash_console_init
+
+func plat_crash_console_putc
+	mov_imm x1, SUNXI_UART0_BASE
+	b	console_16550_core_putc
+endfunc plat_crash_console_putc
+
+func plat_crash_console_flush
+	ret
+endfunc plat_crash_console_flush
+
+func plat_my_core_pos
+	mrs	x0, mpidr_el1
+	and	x1, x0, #MPIDR_CLUSTER_MASK
+	and	x0, x0, #MPIDR_CPU_MASK
+	add	x0, x0, x1, LSR #6
+	ret
+endfunc plat_my_core_pos
+
+func platform_mem_init
+	ret
+endfunc platform_mem_init
+
+func plat_report_exception
+	ret
+endfunc plat_report_exception