Init Commit

2026-05-27 09:56:09 +00:00
commit ee3ede1152
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+/******************************************************************************
+* Copyright (C) 2023 Advanced Micro Devices, Inc. All Rights Reserved.
+* SPDX-License-Identifier: MIT
+******************************************************************************/
+
+#include "xparameters.h"
+#include "xil_cache.h"
+
+#ifndef SDT
+#include "platform_config.h"
+#endif
+
+/*
+ * Uncomment one of the following two lines, depending on the target,
+ * if ps7/psu init source files are added in the source directory for
+ * compiling example outside of SDK.
+ */
+/*#include "ps7_init.h"*/
+/*#include "psu_init.h"*/
+
+#ifdef STDOUT_IS_16550
+ #include "xuartns550_l.h"
+
+ #define UART_BAUD 9600
+#endif
+
+void
+enable_caches()
+{
+#ifdef __PPC__
+    Xil_ICacheEnableRegion(CACHEABLE_REGION_MASK);
+    Xil_DCacheEnableRegion(CACHEABLE_REGION_MASK);
+#elif __MICROBLAZE__
+#ifdef XPAR_MICROBLAZE_USE_ICACHE
+    Xil_ICacheEnable();
+#endif
+#ifdef XPAR_MICROBLAZE_USE_DCACHE
+    Xil_DCacheEnable();
+#endif
+#endif
+}
+
+void
+disable_caches()
+{
+#ifdef __MICROBLAZE__
+#ifdef XPAR_MICROBLAZE_USE_DCACHE
+    Xil_DCacheDisable();
+#endif
+#ifdef XPAR_MICROBLAZE_USE_ICACHE
+    Xil_ICacheDisable();
+#endif
+#endif
+}
+
+void
+init_uart()
+{
+#ifdef STDOUT_IS_16550
+    XUartNs550_SetBaud(STDOUT_BASEADDR, XPAR_XUARTNS550_CLOCK_HZ, UART_BAUD);
+    XUartNs550_SetLineControlReg(STDOUT_BASEADDR, XUN_LCR_8_DATA_BITS);
+#endif
+    /* Bootrom/BSP configures PS7/PSU UART to 115200 bps */
+}
+
+void
+init_platform()
+{
+    /*
+     * If you want to run this example outside of SDK,
+     * uncomment one of the following two lines and also #include "ps7_init.h"
+     * or #include "ps7_init.h" at the top, depending on the target.
+     * Make sure that the ps7/psu_init.c and ps7/psu_init.h files are included
+     * along with this example source files for compilation.
+     */
+    /* ps7_init();*/
+    /* psu_init();*/
+    enable_caches();
+    init_uart();
+}
+
+void
+cleanup_platform()
+{
+    disable_caches();
+}