| /linux-6.15/drivers/mtd/spi-nor/ |
| D | core.c | 18 #include <linux/mtd/spi-nor.h>
51 * @nor: pointer to a 'struct spi_nor'
59 static u8 spi_nor_get_cmd_ext(const struct spi_nor *nor, in spi_nor_get_cmd_ext() argument
62 switch (nor->cmd_ext_type) { in spi_nor_get_cmd_ext()
70 dev_err(nor->dev, "Unknown command extension type\n"); in spi_nor_get_cmd_ext()
77 * @nor: pointer to a 'struct spi_nor'
82 void spi_nor_spimem_setup_op(const struct spi_nor *nor, in spi_nor_spimem_setup_op() argument
103 * something like 4S-4D-4D, but SPI NOR can't. So, set all 4 in spi_nor_spimem_setup_op()
114 ext = spi_nor_get_cmd_ext(nor, op); in spi_nor_spimem_setup_op()
119 if (proto == SNOR_PROTO_8_8_8_DTR && nor->flags & SNOR_F_SWAP16) in spi_nor_spimem_setup_op()
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| D | otp.c | 3 * OTP support for SPI NOR flashes
11 #include <linux/mtd/spi-nor.h>
15 #define spi_nor_otp_region_len(nor) ((nor)->params->otp.org->len) argument
16 #define spi_nor_otp_n_regions(nor) ((nor)->params->otp.org->n_regions) argument
20 * @nor: pointer to 'struct spi_nor'
37 int spi_nor_otp_read_secr(struct spi_nor *nor, loff_t addr, size_t len, u8 *buf) in spi_nor_otp_read_secr() argument
44 read_opcode = nor->read_opcode; in spi_nor_otp_read_secr()
45 addr_nbytes = nor->addr_nbytes; in spi_nor_otp_read_secr()
46 read_dummy = nor->read_dummy; in spi_nor_otp_read_secr()
47 read_proto = nor->read_proto; in spi_nor_otp_read_secr()
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| D | spansion.c | 10 #include <linux/mtd/spi-nor.h>
48 /* Cypress SPI NOR flash operations. */
78 * @nor: pointer to 'struct spi_nor'.
80 static void spansion_nor_clear_sr(struct spi_nor *nor) in spansion_nor_clear_sr() argument
82 const struct spansion_nor_params *priv_params = nor->params->priv; in spansion_nor_clear_sr()
85 if (nor->spimem) { in spansion_nor_clear_sr()
88 spi_nor_spimem_setup_op(nor, &op, nor->reg_proto); in spansion_nor_clear_sr()
90 ret = spi_mem_exec_op(nor->spimem, &op); in spansion_nor_clear_sr()
92 ret = spi_nor_controller_ops_write_reg(nor, SPINOR_OP_CLSR, in spansion_nor_clear_sr()
97 dev_dbg(nor->dev, "error %d clearing SR\n", ret); in spansion_nor_clear_sr()
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| D | swp.c | 3 * SPI NOR Software Write Protection logic.
10 #include <linux/mtd/spi-nor.h>
14 static u8 spi_nor_get_sr_bp_mask(struct spi_nor *nor) in spi_nor_get_sr_bp_mask() argument
18 if (nor->flags & SNOR_F_HAS_SR_BP3_BIT6) in spi_nor_get_sr_bp_mask()
21 if (nor->flags & SNOR_F_HAS_4BIT_BP) in spi_nor_get_sr_bp_mask()
27 static u8 spi_nor_get_sr_tb_mask(struct spi_nor *nor) in spi_nor_get_sr_tb_mask() argument
29 if (nor->flags & SNOR_F_HAS_SR_TB_BIT6) in spi_nor_get_sr_tb_mask()
35 static u64 spi_nor_get_min_prot_length_sr(struct spi_nor *nor) in spi_nor_get_min_prot_length_sr() argument
42 unsigned int sector_size = nor->info->sector_size ?: SPI_NOR_DEFAULT_SECTOR_SIZE; in spi_nor_get_min_prot_length_sr()
43 u64 n_sectors = div_u64(nor->params->size, sector_size); in spi_nor_get_min_prot_length_sr()
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| D | core.h | 21 /* Standard SPI NOR flash operations. */
203 * struct spi_nor_erase_type - Structure to describe a SPI NOR erase type
242 * struct spi_nor_erase_region - Structure to describe a SPI NOR erase region
261 * struct spi_nor_erase_map - Structure to describe the SPI NOR erase map
265 * @uniform_region: a pre-allocated erase region for SPI NOR with a uniform
281 * struct spi_nor_locking_ops - SPI NOR locking methods
282 * @lock: lock a region of the SPI NOR.
283 * @unlock: unlock a region of the SPI NOR.
284 * @is_locked: check if a region of the SPI NOR is completely locked
287 int (*lock)(struct spi_nor *nor, loff_t ofs, u64 len);
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| D | micron-st.c | 7 #include <linux/mtd/spi-nor.h>
32 /* Micron ST SPI NOR flash operations. */
51 static int micron_st_nor_octal_dtr_en(struct spi_nor *nor) in micron_st_nor_octal_dtr_en() argument
54 u8 *buf = nor->bouncebuf; in micron_st_nor_octal_dtr_en()
56 u8 addr_mode_nbytes = nor->params->addr_mode_nbytes; in micron_st_nor_octal_dtr_en()
63 ret = spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto); in micron_st_nor_octal_dtr_en()
71 ret = spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto); in micron_st_nor_octal_dtr_en()
76 ret = spi_nor_read_id(nor, 0, 8, buf, SNOR_PROTO_8_8_8_DTR); in micron_st_nor_octal_dtr_en()
78 dev_dbg(nor->dev, "error %d reading JEDEC ID after enabling 8D-8D-8D mode\n", ret); in micron_st_nor_octal_dtr_en()
82 if (memcmp(buf, nor->info->id->bytes, nor->info->id->len)) in micron_st_nor_octal_dtr_en()
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| D | sst.c | 7 #include <linux/mtd/spi-nor.h>
16 static int sst26vf_nor_lock(struct spi_nor *nor, loff_t ofs, u64 len) in sst26vf_nor_lock() argument
21 static int sst26vf_nor_unlock(struct spi_nor *nor, loff_t ofs, u64 len) in sst26vf_nor_unlock() argument
26 if (ofs != 0 || len != nor->params->size) in sst26vf_nor_unlock()
29 ret = spi_nor_read_cr(nor, nor->bouncebuf); in sst26vf_nor_unlock()
33 if (!(nor->bouncebuf[0] & SST26VF_CR_BPNV)) { in sst26vf_nor_unlock()
34 dev_dbg(nor->dev, "Any block has been permanently locked\n"); in sst26vf_nor_unlock()
38 return spi_nor_global_block_unlock(nor); in sst26vf_nor_unlock()
41 static int sst26vf_nor_is_locked(struct spi_nor *nor, loff_t ofs, u64 len) in sst26vf_nor_is_locked() argument
52 static int sst26vf_nor_late_init(struct spi_nor *nor) in sst26vf_nor_late_init() argument
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| D | Makefile | 3 spi-nor-objs := core.o sfdp.o swp.o otp.o sysfs.o
4 spi-nor-objs += atmel.o
5 spi-nor-objs += eon.o
6 spi-nor-objs += esmt.o
7 spi-nor-objs += everspin.o
8 spi-nor-objs += gigadevice.o
9 spi-nor-objs += intel.o
10 spi-nor-objs += issi.o
11 spi-nor-objs += macronix.o
12 spi-nor-objs += micron-st.o
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| D | atmel.c | 7 #include <linux/mtd/spi-nor.h>
19 static int at25fs_nor_lock(struct spi_nor *nor, loff_t ofs, u64 len) in at25fs_nor_lock() argument
24 static int at25fs_nor_unlock(struct spi_nor *nor, loff_t ofs, u64 len) in at25fs_nor_unlock() argument
29 if (ofs || len != nor->params->size) in at25fs_nor_unlock()
33 ret = spi_nor_write_sr_and_check(nor, 0); in at25fs_nor_unlock()
35 dev_dbg(nor->dev, "unable to clear BP bits, WP# asserted?\n"); in at25fs_nor_unlock()
40 static int at25fs_nor_is_locked(struct spi_nor *nor, loff_t ofs, u64 len) in at25fs_nor_is_locked() argument
51 static int at25fs_nor_late_init(struct spi_nor *nor) in at25fs_nor_late_init() argument
53 nor->params->locking_ops = &at25fs_nor_locking_ops; in at25fs_nor_late_init()
64 * @nor: pointer to 'struct spi_nor'
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| D | sysfs.c | 3 #include <linux/mtd/spi-nor.h>
15 struct spi_nor *nor = spi_mem_get_drvdata(spimem); in manufacturer_show() local
17 return sysfs_emit(buf, "%s\n", nor->manufacturer->name); in manufacturer_show()
26 struct spi_nor *nor = spi_mem_get_drvdata(spimem); in partname_show() local
28 return sysfs_emit(buf, "%s\n", nor->info->name); in partname_show()
37 struct spi_nor *nor = spi_mem_get_drvdata(spimem); in jedec_id_show() local
38 const u8 *id = nor->info->id ? nor->info->id->bytes : nor->id; in jedec_id_show()
39 u8 id_len = nor->info->id ? nor->info->id->len : SPI_NOR_MAX_ID_LEN; in jedec_id_show()
58 struct spi_nor *nor = spi_mem_get_drvdata(spimem); in sfdp_read() local
59 struct sfdp *sfdp = nor->sfdp; in sfdp_read()
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| D | winbond.c | 7 #include <linux/mtd/spi-nor.h>
28 w25q128_post_bfpt_fixups(struct spi_nor *nor, in w25q128_post_bfpt_fixups() argument
39 nor->params->size == SZ_2M && in w25q128_post_bfpt_fixups()
40 nor->params->erase_map.regions[0].size == SZ_2M) { in w25q128_post_bfpt_fixups()
41 nor->params->size = SZ_16M; in w25q128_post_bfpt_fixups()
42 nor->params->erase_map.regions[0].size = SZ_16M; in w25q128_post_bfpt_fixups()
53 w25q256_post_bfpt_fixups(struct spi_nor *nor, in w25q256_post_bfpt_fixups() argument
67 nor->flags |= SNOR_F_4B_OPCODES; in w25q256_post_bfpt_fixups()
78 * @nor: pointer to 'struct spi_nor'.
89 static int winbond_nor_select_die(struct spi_nor *nor, u8 die) in winbond_nor_select_die() argument
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| D | sfdp.c | 8 #include <linux/mtd/spi-nor.h>
144 * @nor: pointer to a 'struct spi_nor'
151 static int spi_nor_read_raw(struct spi_nor *nor, u32 addr, size_t len, u8 *buf) in spi_nor_read_raw() argument
156 ret = spi_nor_read_data(nor, addr, len, buf); in spi_nor_read_raw()
171 * @nor: pointer to a 'struct spi_nor'
182 static int spi_nor_read_sfdp(struct spi_nor *nor, u32 addr, in spi_nor_read_sfdp() argument
188 read_opcode = nor->read_opcode; in spi_nor_read_sfdp()
189 addr_nbytes = nor->addr_nbytes; in spi_nor_read_sfdp()
190 read_dummy = nor->read_dummy; in spi_nor_read_sfdp()
192 nor->read_opcode = SPINOR_OP_RDSFDP; in spi_nor_read_sfdp()
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| D | macronix.c | 7 #include <linux/mtd/spi-nor.h>
29 mx25l25635_post_bfpt_fixups(struct spi_nor *nor, in mx25l25635_post_bfpt_fixups() argument
43 nor->flags |= SNOR_F_4B_OPCODES; in mx25l25635_post_bfpt_fixups()
49 macronix_qpp4b_post_sfdp_fixups(struct spi_nor *nor) in macronix_qpp4b_post_sfdp_fixups() argument
52 struct spi_nor_flash_parameter *params = nor->params; in macronix_qpp4b_post_sfdp_fixups()
237 static int macronix_nor_octal_dtr_en(struct spi_nor *nor) in macronix_nor_octal_dtr_en() argument
240 u8 *buf = nor->bouncebuf, i; in macronix_nor_octal_dtr_en()
244 buf[0] = MXIC_NOR_REG_DC(nor->params->reads[SNOR_CMD_READ_8_8_8_DTR].num_wait_states); in macronix_nor_octal_dtr_en()
246 ret = spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto); in macronix_nor_octal_dtr_en()
253 ret = spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto); in macronix_nor_octal_dtr_en()
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| D | debugfs.c | 4 #include <linux/mtd/spi-nor.h>
10 #define SPI_NOR_DEBUGFS_ROOT "spi-nor"
78 struct spi_nor *nor = s->private; in spi_nor_params_show() local
79 struct spi_nor_flash_parameter *params = nor->params; in spi_nor_params_show()
82 const struct flash_info *info = nor->info; in spi_nor_params_show()
87 seq_printf(s, "id\t\t%*ph\n", SPI_NOR_MAX_ID_LEN, nor->id); in spi_nor_params_show()
92 seq_printf(s, "address nbytes\t%u\n", nor->addr_nbytes); in spi_nor_params_show()
95 spi_nor_print_flags(s, nor->flags, snor_f_names, sizeof(snor_f_names)); in spi_nor_params_show()
99 seq_printf(s, " read\t\t0x%02x\n", nor->read_opcode); in spi_nor_params_show()
100 seq_printf(s, " dummy cycles\t%u\n", nor->read_dummy); in spi_nor_params_show()
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| /linux-6.15/Documentation/devicetree/bindings/spi/ |
| D | mediatek,spi-mtk-nor.yaml | 4 $id: http://devicetree.org/schemas/spi/mediatek,spi-mtk-nor.yaml#
7 title: Serial NOR flash controller for MediaTek ARM SoCs
15 SPI NOR flash. There should be only one spi slave device following
17 for devices other than SPI NOR flash due to limited transfer
27 - mediatek,mt8173-nor
28 - mediatek,mt8186-nor
29 - mediatek,mt8192-nor
32 - mediatek,mt2701-nor
33 - mediatek,mt2712-nor
34 - mediatek,mt7622-nor
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| D | cdns,xspi.yaml | 16 read/write access to slaves such as SPI-NOR flash.
21 - cdns,xspi-nor
22 - marvell,cn10-xspi-nor
55 - marvell,cn10-xspi-nor
81 compatible = "cdns,xspi-nor";
90 compatible = "jedec,spi-nor";
96 compatible = "jedec,spi-nor";
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| /linux-6.15/drivers/mtd/spi-nor/controllers/ |
| D | hisi-sfc.c | 3 * HiSilicon FMC SPI NOR flash controller driver
13 #include <linux/mtd/spi-nor.h>
99 struct spi_nor *nor[HIFMC_MAX_CHIP_NUM]; member
147 static int hisi_spi_nor_prep(struct spi_nor *nor) in hisi_spi_nor_prep() argument
149 struct hifmc_priv *priv = nor->priv; in hisi_spi_nor_prep()
170 static void hisi_spi_nor_unprep(struct spi_nor *nor) in hisi_spi_nor_unprep() argument
172 struct hifmc_priv *priv = nor->priv; in hisi_spi_nor_unprep()
179 static int hisi_spi_nor_op_reg(struct spi_nor *nor, in hisi_spi_nor_op_reg() argument
182 struct hifmc_priv *priv = nor->priv; in hisi_spi_nor_op_reg()
202 static int hisi_spi_nor_read_reg(struct spi_nor *nor, u8 opcode, u8 *buf, in hisi_spi_nor_read_reg() argument
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| D | nxp-spifi.c | 3 * SPI NOR driver for NXP SPI Flash Interface (SPIFI)
18 #include <linux/mtd/spi-nor.h>
58 struct spi_nor nor; member
125 static int nxp_spifi_read_reg(struct spi_nor *nor, u8 opcode, u8 *buf, in nxp_spifi_read_reg() argument
128 struct nxp_spifi *spifi = nor->priv; in nxp_spifi_read_reg()
148 static int nxp_spifi_write_reg(struct spi_nor *nor, u8 opcode, const u8 *buf, in nxp_spifi_write_reg() argument
151 struct nxp_spifi *spifi = nor->priv; in nxp_spifi_write_reg()
172 static ssize_t nxp_spifi_read(struct spi_nor *nor, loff_t from, size_t len, in nxp_spifi_read() argument
175 struct nxp_spifi *spifi = nor->priv; in nxp_spifi_read()
187 static ssize_t nxp_spifi_write(struct spi_nor *nor, loff_t to, size_t len, in nxp_spifi_write() argument
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| /linux-6.15/Documentation/devicetree/bindings/mtd/ |
| D | hisilicon,fmc-spi-nor.txt | 1 HiSilicon SPI-NOR Flash Controller
4 - compatible : Should be "hisilicon,fmc-spi-nor" and one of the following strings:
5 "hisilicon,hi3519-spi-nor"
10 - clocks : handle to spi-nor flash controller clock.
13 spi-nor-controller@10000000 {
14 compatible = "hisilicon,hi3519-spi-nor", "hisilicon,fmc-spi-nor";
21 compatible = "jedec,spi-nor";
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| D | jedec,spi-nor.yaml | 4 $id: http://devicetree.org/schemas/mtd/jedec,spi-nor.yaml#
7 title: SPI NOR flash ST M25Pxx (and similar) serial flash chips
33 - const: jedec,spi-nor
43 - const: jedec,spi-nor
44 - const: jedec,spi-nor
46 SPI NOR flashes compatible with the JEDEC SFDP standard or which may be
49 "jedec,spi-nor" compatible.
101 Supply for the SPI NOR power.
120 compatible = "spansion,m25p80", "jedec,spi-nor";
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| /linux-6.15/Documentation/ABI/testing/ |
| D | sysfs-bus-spi-devices-spi-nor | 1 What: /sys/bus/spi/devices/.../spi-nor/jedec_id
5 Description: (RO) The JEDEC ID of the SPI NOR flash as reported by the
12 What: /sys/bus/spi/devices/.../spi-nor/manufacturer
16 Description: (RO) Manufacturer of the SPI NOR flash.
22 What: /sys/bus/spi/devices/.../spi-nor/partname
26 Description: (RO) Part name of the SPI NOR flash.
32 What: /sys/bus/spi/devices/.../spi-nor/sfdp
36 Description: (RO) This attribute is only present if the SPI NOR flash
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| /linux-6.15/include/linux/mtd/ |
| D | spi-nor.h | 291 * struct spi_nor_controller_ops - SPI NOR controller driver specific
299 * @read: read data from the SPI NOR.
300 * @write: write data to the SPI NOR.
301 * @erase: erase a sector of the SPI NOR at the offset @offs; if
302 * not provided by the driver, SPI NOR will send the erase
306 int (*prepare)(struct spi_nor *nor);
307 void (*unprepare)(struct spi_nor *nor);
308 int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, size_t len);
309 int (*write_reg)(struct spi_nor *nor, u8 opcode, const u8 *buf,
312 ssize_t (*read)(struct spi_nor *nor, loff_t from, size_t len, u8 *buf);
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| /linux-6.15/arch/powerpc/boot/dts/fsl/ |
| D | mpc8536ds.dtsi | 13 * * Neither the name of Freescale Semiconductor nor the
36 nor@0,0 {
46 label = "ramdisk-nor";
51 label = "diagnostic-nor";
57 label = "dink-nor";
63 label = "kernel-nor";
68 label = "fs-nor";
73 label = "dtb-nor";
78 label = "u-boot-nor";
145 compatible = "spansion,s25sl12801", "jedec,spi-nor";
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| D | p1022ds.dtsi | 13 * * Neither the name of Freescale Semiconductor nor the
36 nor@0,0 {
46 label = "ramdisk-nor";
52 label = "diagnostic-nor";
58 label = "dink-nor";
64 label = "kernel-nor";
70 label = "jffs2-nor";
75 label = "dtb-nor";
81 label = "u-boot-nor";
163 compatible = "spansion,s25sl12801", "jedec,spi-nor";
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| /linux-6.15/Documentation/driver-api/mtd/ |
| D | spi-nor.rst | 2 SPI NOR framework
8 Most SPI NOR flashes comply with the JEDEC JESD216
13 The SPI NOR driver queries the SFDP tables in order to determine the
17 on its SFDP data. All one has to do is to specify the "jedec,spi-nor"
41 root@1:~# cat /sys/bus/spi/devices/spi0.0/spi-nor/partname
43 root@1:~# cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
45 root@1:~# cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer
47 root@1:~# xxd -p /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
69 root@1:~# sha256sum /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
70 …0461876f189ac97f93e68a05fa6428c6650b3b7baf736a921e5898ed1 /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
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