[dm][hwcache] support hwcache (#11049)

Some ARCH not has std cache ops, such as RISC-V

Signed-off-by: GuEe-GUI <[email protected]>

2 files changed, 52 insertions, 0 deletions

diff --git a/components/drivers/include/drivers/hwcache.h b/components/drivers/include/drivers/hwcache.h
new file mode 100644
index 0000000000..048dd303bd
--- /dev/null
+++ b/components/drivers/include/drivers/hwcache.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-02-25     GuEe-GUI     the first version
+ */
+
+#ifndef __HWCACHE_H__
+#define __HWCACHE_H__
+
+#include <rthw.h>
+#include <rtthread.h>
+#include <drivers/ofw.h>
+
+struct rt_hwcache_ops
+{
+    const char *name;
+
+    void (*enable)(void);
+    void (*disable)(void);
+
+    rt_base_t (*status)(void);
+
+    void (*flush)(void *vaddr, rt_size_t size);
+    void (*invalidate)(void *vaddr, rt_size_t size);
+};
+
+extern struct rt_hwcache_ops *rt_dm_cpu_dcache_ops;
+extern struct rt_hwcache_ops *rt_dm_cpu_icache_ops;
+
+#define RT_HWCACHE_OFW_DECLARE(name, ids, handler)   RT_OFW_STUB_EXPORT(name, ids, hwcache, handler)
+
+void rt_hwcache_icache_enable(void);
+void rt_hwcache_icache_disable(void);
+rt_base_t rt_hwcache_icache_status(void);
+void rt_hwcache_icache_ops(int ops, void *addr, int size);
+
+void rt_hwcache_dcache_enable(void);
+void rt_hwcache_dcache_disable(void);
+rt_base_t rt_hwcache_dcache_status(void);
+void rt_hwcache_dcache_ops(int ops, void *addr, int size);
+
+rt_err_t rt_hwcache_init(void);
+
+#endif /* __HWCACHE_H__ */
diff --git a/components/drivers/include/rtdevice.h b/components/drivers/include/rtdevice.h
index d55a41f30b..89af4b933c 100644
--- a/components/drivers/include/rtdevice.h
+++ b/components/drivers/include/rtdevice.h
@@ -130,6 +130,10 @@ extern "C" {
 #include "drivers/thermal.h"
 #endif /* RT_USING_THERMAL */
 
+#ifdef RT_USING_HWCACHE
+#include "drivers/hwcache.h"
+#endif /* RT_USING_HWCACHE */
+
 #ifdef RT_USING_NVMEM
 #include "drivers/nvmem.h"
 #endif /* RT_USING_NVMEM */