80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
#include "system/includes.h"
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#include "device/ioctl_cmds.h"
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#include "asm/sfc_norflash_api.h"
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#include "app_config.h"
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struct flash_protect {
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u32 id;//id
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u32 cmd;//默认写保护参数
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};
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#define FLASH_WRITE_PROTECT_EN 0 //1:开启flash写保护参数
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//flash写保护参数配置:https://doc.zh-jieli.com/AC79/zh-cn/master/module_example/peripherals/flash_protect.html
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static const struct flash_protect flash_protect_index[] = {
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//id //写全保护参数
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/******华邦W25QXX*********/
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0xEF4014, 0x34,//W25Q80
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0xEF4015, 0x38,//W25Q16
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0xEF4016, 0x3C,//W25Q32
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0xEF4017, 0x3C,//W25Q64
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0xEF4018, 0x1003C,//W25Q128
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0xEF4019, 0x1003C,//W25Q256
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};
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static void flash_test(void)
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{
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u32 cap_size = 0;
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u32 flash_addr = 0;
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u8 data[32];
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//全写保护打开后，测试：打开写保护为0(全部解除写保护)和不打开的区别
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/*norflash_ioctl(NULL, IOCTL_SET_WRITE_PROTECT, 0);*/
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norflash_ioctl(NULL, IOCTL_GET_CAPACITY, (u32)&cap_size);
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for (int j = 0; j < sizeof(data); j++) {
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data[j] = j;
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}
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//测试地址：一半的容量
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flash_addr = cap_size / 2;
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printf("flash test addr = 0x%x \n", flash_addr);
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norflash_ioctl(NULL, IOCTL_ERASE_SECTOR, flash_addr);
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put_buf(data, sizeof(data));
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norflash_write(NULL, data, sizeof(data), flash_addr);
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memset(data, 0, sizeof(data));
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norflash_origin_read(data, flash_addr, sizeof(data));
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put_buf(data, sizeof(data));
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}
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static int flash_write_protect()
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{
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u32 i;
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u32 cmd = 0;
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u32 id = 0;
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struct flash_protect *index = (struct flash_protect *)&flash_protect_index;
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//1.打开flash设备
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norflash_open(NULL, NULL, NULL);
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//2.获取ID
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norflash_ioctl(NULL, IOCTL_GET_ID, (u32)&id);
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//3.查询预留的ID和使用对应的参数
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for (i = 0; i < sizeof(flash_protect_index) / sizeof(flash_protect_index[0]); i++, index++) {
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if (index->id == id) {
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norflash_write_protect(index->cmd);
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//norflash_ioctl(NULL, IOCTL_SET_WRITE_PROTECT, index->cmd);
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printf("flash write_protect = 0x%x\n", index->cmd);
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goto exit;
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}
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}
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printf("error in flash id=0x%x , no write protect cmd!!!\n\n", id);
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exit:
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//4.测试修改写保护参数结果
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//flash_test();
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return 0;
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}
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#if FLASH_WRITE_PROTECT_EN
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__initcall(flash_write_protect);
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#endif
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