WhyCan Forum(哇酷开发者社区)

非常感谢分享, 入门过程确实很恼人，当战胜一个又一个的坑，觉得成就感满满，楼主加油.

帖子里面可以加 bbcode, 会更有层次感:
https://whycan.cn/help.php#bbcode

楼主试过w25q256吗？

@晕哥
晕哥，请问下以下这个结构体是在哪个文件的呢？因为我现在使用的flash型号不在上面显示，需要修改下这个文件：
static const struct spi_device_id m25p_ids[] = {
        /*
        * Allow non-DT platform devices to bind to the "spi-nor" modalias, and
        * hack around the fact that the SPI core does not provide uevent
        * matching for .of_match_table
        */
        {"spi-nor"},

        /*
        * Entries not used in DTs that should be safe to drop after replacing
        * them with "spi-nor" in platform data.
        */
        {"s25sl064a"},  {"w25x16"},     {"m25p10"},     {"m25px64"},

        /*
        * Entries that were used in DTs without "jedec,spi-nor" fallback and
        * should be kept for backward compatibility.
        */
        {"at25df321a"}, {"at25df641"},  {"at26df081a"},
        {"mx25l4005a"}, {"mx25l1606e"}, {"mx25l6405d"}, {"mx25l12805d"},
        {"mx25l25635e"},{"mx66l51235l"},
        {"n25q064"},    {"n25q128a11"}, {"n25q128a13"}, {"n25q512a"},
        {"s25fl256s1"}, {"s25fl512s"},  {"s25sl12801"}, {"s25fl008k"},
        {"s25fl064k"},
        {"sst25vf040b"},{"sst25vf016b"},{"sst25vf032b"},{"sst25wf040"},
        {"m25p40"},     {"m25p80"},     {"m25p16"},     {"m25p32"},
        {"m25p64"},     {"m25p128"},
        {"w25x80"},     {"w25x32"},     {"w25q32"},     {"w25q32dw"},
        {"w25q80bl"},   {"w25q128"},    {"w25q256"},

        /* Flashes that can't be detected using JEDEC */
        {"m25p05-nonjedec"},    {"m25p10-nonjedec"},    {"m25p20-nonjedec"},
        {"m25p40-nonjedec"},    {"m25p80-nonjedec"},    {"m25p16-nonjedec"},
        {"m25p32-nonjedec"},    {"m25p64-nonjedec"},    {"m25p128-nonjedec"},

        /* Everspin MRAMs (non-JEDEC) */
        { "mr25h256" }, /* 256 Kib, 40 MHz */
        { "mr25h10" },  /*   1 Mib, 40 MHz */
        { "mr25h40" },  /*   4 Mib, 40 MHz */

        { },
};

@晕哥
晕哥，我的flash型号是：MX25L25645

其实很简单呀，这个问题。
dts：

&spi0 {
	status = "okay";
	w25q64jv{
		compatible	= "jedec,spi-nor";
		status	= "okay";
		reg = <0x0>;
		spi-max-frequency = <50000000>;
		#address-cells = <1>;
		#size-cells = <1>;
	};
};

要注意的是对应好spi-nor-ids.c里的型号，也就是w25q64jv。最开始我使用w25q64后，和楼主一样出错，一样是id=-19错误，改个名后就好了：

{
		INFO("w25q64jv", 0xef7017, 0, 64 * 1024, 128,
			SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
			SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
	},

结果：

U-Boot 2022.10 (Dec 10 2024 - 00:33:45 -0800) Allwinner Technology

CPU:   Allwinner V3s (SUN8I 1681)
Model: Lichee Pi Zero
DRAM:  64 MiB
Core:  34 devices, 16 uclasses, devicetree: separate
WDT:   Not starting watchdog@1c20ca0
MMC:   mmc@1c0f000: 0
Loading Environment from SPIFlash... ******sun4i_spi_probe() ok******spi@1c68000************spi_find_chip_select spi_get_ops err*********************
SF: Detected w25q64cv with page size 256 Bytes, erase size 4 KiB, total 8 MiB
*** Warning - bad CRC, using default environment

Loading Environment from FAT... Card did not respond to voltage select! : -110
** Bad device specification mmc 0 **
In:    serial@1c28000
Out:   serial@1c28000
Err:   serial@1c28000
Net:   No ethernet found.
Hit any key to stop autoboot:  0
=> sf probe 0
******spi@1c68000************spi_find_chip_select spi_get_ops err*********************
******spi@1c68000************spi_find_chip_select spi_get_ops err*********************
SF: Detected w25q64cv with page size 256 Bytes, erase size 4 KiB, total 8 MiB
=>