1.增加动态回收mem

code/application/source/cardv/Makefile

@@ -122,6 +122,7 @@ SRC = \
 	./SrcCode/System/SysFW_Upgrade_Strg_Obj.c \
 	./SrcCode/System/SysFW_Upgrade.c \
 	./SrcCode/System/sys_usrmem.c \
+	./SrcCode/System/mem_hotplug.c \
 	./SrcCode/UIApp/UIAppObj.c \
 	./SrcCode/UIApp/ExifVendor.c \
 	./SrcCode/UIApp/Setup/UISetup_Exe.c \

code/application/source/cardv/SrcCode/System/main.c

@@ -14,6 +14,7 @@
 #include "comm/timer.h"
 #include <io/gpio.h>
 #include <IOCfg.h>
+#include "mem_hotplug.h"
 #if HUNTING_CAMERA_MCU == ENABLE
 #include <sf_inc.h>
 #include "sf_log.h"
@@ -250,6 +251,9 @@ UINT32 nvt_hdal_init(void)
         DBG_ERR("mem init fail=%d\n", ret);
         return -1;
     }
+
+    memory_hotplug();
+
     ret = hd_gfx_init();
     if(ret != HD_OK) {
         DBG_ERR("gfx init fail=%d\n", ret);

code/application/source/cardv/SrcCode/System/mem_hotplug.c

@@ -0,0 +1,82 @@
+#include <stdio.h>
+#include <vendor_common.h>
+#include "mem_hotplug.h"
+#include "kwrap/debug.h"
+
+#define SWAP4(x) ((((x) & 0xFF) << 24) | (((x) & 0xFF00) << 8) | (((x) & 0xFF0000) >> 8) | (((x) & 0xFF000000) >> 24))
+
+static int read_fdt(const char *path, unsigned int *p_addr, unsigned int *p_size)
+{
+	int fd;
+	unsigned int reg[2] = {0};
+
+	if ((fd = open(path, O_RDONLY)) < 0) {
+		printf("unable to open %s\n", path);
+		return -1;
+	}
+
+	if (read(fd, reg, sizeof(reg)) != sizeof(reg)) {
+		printf("unable to read reg on %s\n", path);
+		close(fd);
+		return -1;
+	}
+
+	*p_addr = SWAP4(reg[0]);
+	*p_size = SWAP4(reg[1]);
+	close(fd);
+	return 0;
+}
+
+static int get_mem_range(unsigned int *p_addr, unsigned int *p_size)
+{
+	unsigned int fdt_addr, fdt_size;
+	unsigned int rtos_addr, rtos_size;
+//	unsigned int bridge_addr, bridge_size;
+	//get fdt addr and size in nvt_memory_cfg
+	if (read_fdt("/sys/firmware/devicetree/base/nvt_memory_cfg/fdt/reg", &fdt_addr, &fdt_size) != 0) {
+		return -1;
+	}
+	if (read_fdt("/sys/firmware/devicetree/base/nvt_memory_cfg/rtos/reg", &rtos_addr, &rtos_size) != 0) {
+		return -1;
+	}
+
+#if 0 /* bridge is not used */
+	if (read_fdt("/sys/firmware/devicetree/base/nvt_memory_cfg/bridge/reg", &bridge_addr, &bridge_size) != 0) {
+		return -1;
+	}
+#endif
+
+	*p_addr = fdt_addr;
+	*p_size = fdt_size + rtos_size;
+//	*p_size = fdt_size + rtos_size + bridge_size;
+	return 0;
+}
+
+static int do_hotplug(unsigned int mem_begin, unsigned mem_size)
+{
+	HD_RESULT ret=0;
+	VENDOR_LINUX_MEM_HOT_PLUG desc = {0};
+	desc.start_addr = mem_begin;
+	desc.size = mem_size;
+	ret = vendor_common_mem_set(VENDOR_COMMON_MEM_ITEM_LINUX_HOT_PLUG, &desc);
+	if(ret != 0){
+		printf("nvtmem_hotplug_set fail ret:%d\n", (int)ret);
+	}
+	return 0;
+}
+
+HD_RESULT memory_hotplug(void)
+{
+	unsigned int mem_begin, mem_size;
+
+	// read memory space from bridge memory
+	if (get_mem_range(&mem_begin, &mem_size) != 0) {
+		return HD_ERR_INIT;
+	}
+	// do hotplug
+	if (do_hotplug(mem_begin, mem_size) != 0) {
+		return HD_ERR_SYS;
+	}
+
+	return 0;
+}

code/application/source/cardv/SrcCode/System/mem_hotplug.h

@@ -0,0 +1,7 @@
+#ifndef _MEM_HOTPLUG_H
+#define _MEM_HOTPLUG_H
+#include <hd_type.h>
+
+extern HD_RESULT memory_hotplug(void);
+
+#endif

configs/Linux/cfg_565_HUNTING_EVB_LINUX_4G_S550/nvt-mem-tbl.dtsi

@@ -21,7 +21,7 @@
 	};
 
 	/* Linux system memory region*/
-	memory { device_type = "memory"; reg = <0x00000000 0x01800000 0x02000000 0x01600000>; };
+	memory { device_type = "memory"; reg = <0x00000000 0x01800000 0x02800000 0x00E00000>; };
 
 	/* Linux setup reserved memory */
 	reserved-memory {