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/linux/drivers/mtd/spi-nor/
H A Dcore.c58 static u8 spi_nor_get_cmd_ext(const struct spi_nor *nor, in spi_nor_get_cmd_ext() argument
61 switch (nor->cmd_ext_type) { in spi_nor_get_cmd_ext()
69 dev_err(nor->dev, "Unknown command extension type\n"); in spi_nor_get_cmd_ext()
81 void spi_nor_spimem_setup_op(const struct spi_nor *nor, in spi_nor_spimem_setup_op() argument
113 ext = spi_nor_get_cmd_ext(nor, op); in spi_nor_spimem_setup_op()
118 if (proto == SNOR_PROTO_8_8_8_DTR && nor->flags & SNOR_F_SWAP16) in spi_nor_spimem_setup_op()
132 static bool spi_nor_spimem_bounce(struct spi_nor *nor, struct spi_mem_op *op) in spi_nor_spimem_bounce() argument
137 if (op->data.nbytes > nor->bouncebuf_size) in spi_nor_spimem_bounce()
138 op->data.nbytes = nor->bouncebuf_size; in spi_nor_spimem_bounce()
139 op->data.buf.in = nor->bouncebuf; in spi_nor_spimem_bounce()
[all …]
H A Dotp.c14 #define spi_nor_otp_region_len(nor) ((nor)->params->otp.org->len) argument
15 #define spi_nor_otp_n_regions(nor) ((nor)->params->otp.org->n_regions) argument
36 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
43 read_opcode = nor->read_opcode; in spi_nor_otp_read_secr()
44 addr_nbytes = nor->addr_nbytes; in spi_nor_otp_read_secr()
45 read_dummy = nor->read_dummy; in spi_nor_otp_read_secr()
46 read_proto = nor->read_proto; in spi_nor_otp_read_secr()
47 rdesc = nor->dirmap.rdesc; in spi_nor_otp_read_secr()
49 nor->read_opcode = SPINOR_OP_RSECR; in spi_nor_otp_read_secr()
50 nor->read_dummy = 8; in spi_nor_otp_read_secr()
[all …]
H A Dswp.c13 static u8 spi_nor_get_sr_bp_mask(struct spi_nor *nor) in spi_nor_get_sr_bp_mask() argument
17 if (nor->flags & SNOR_F_HAS_SR_BP3_BIT6) in spi_nor_get_sr_bp_mask()
20 if (nor->flags & SNOR_F_HAS_4BIT_BP) in spi_nor_get_sr_bp_mask()
26 static u8 spi_nor_get_sr_tb_mask(struct spi_nor *nor) in spi_nor_get_sr_tb_mask() argument
28 if (nor->flags & SNOR_F_HAS_SR_TB_BIT6) in spi_nor_get_sr_tb_mask()
34 static u64 spi_nor_get_min_prot_length_sr(struct spi_nor *nor) in spi_nor_get_min_prot_length_sr() argument
41 unsigned int sector_size = nor->info->sector_size ?: SPI_NOR_DEFAULT_SECTOR_SIZE; in spi_nor_get_min_prot_length_sr()
42 u64 n_sectors = div_u64(nor->params->size, sector_size); in spi_nor_get_min_prot_length_sr()
43 u8 mask = spi_nor_get_sr_bp_mask(nor); in spi_nor_get_min_prot_length_sr()
55 static void spi_nor_get_locked_range_sr(struct spi_nor *nor, u8 sr, loff_t *ofs, in spi_nor_get_locked_range_sr() argument
[all …]
H A Dmicron-st.c51 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()
88 static int micron_st_nor_octal_dtr_dis(struct spi_nor *nor) in micron_st_nor_octal_dtr_dis() argument
91 u8 *buf = nor->bouncebuf; in micron_st_nor_octal_dtr_dis()
[all …]
H A Dsst.c16 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
54 nor->params->locking_ops = &sst26vf_nor_locking_ops; in sst26vf_nor_late_init()
[all …]
H A Dsfdp.c151 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()
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()
193 nor->addr_nbytes = 3; in spi_nor_read_sfdp()
194 nor->read_dummy = 8; in spi_nor_read_sfdp()
196 ret = spi_nor_read_raw(nor, addr, len, buf); in spi_nor_read_sfdp()
[all …]
H A DMakefile3 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
[all …]
H A Ddebugfs.c78 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()
101 seq_printf(s, " erase\t\t0x%02x\n", nor->erase_opcode); in spi_nor_params_show()
102 seq_printf(s, " program\t0x%02x\n", nor->program_opcode); in spi_nor_params_show()
[all …]
H A Dwinbond.c21 w25q128_post_bfpt_fixups(struct spi_nor *nor, in w25q128_post_bfpt_fixups() argument
32 nor->params->size == SZ_2M && in w25q128_post_bfpt_fixups()
33 nor->params->erase_map.regions[0].size == SZ_2M) { in w25q128_post_bfpt_fixups()
34 nor->params->size = SZ_16M; in w25q128_post_bfpt_fixups()
35 nor->params->erase_map.regions[0].size = SZ_16M; in w25q128_post_bfpt_fixups()
46 w25q256_post_bfpt_fixups(struct spi_nor *nor, in w25q256_post_bfpt_fixups() argument
60 nor->flags |= SNOR_F_4B_OPCODES; in w25q256_post_bfpt_fixups()
268 static int winbond_nor_write_ear(struct spi_nor *nor, u8 ear) in winbond_nor_write_ear() argument
272 nor->bouncebuf[0] = ear; in winbond_nor_write_ear()
274 if (nor->spimem) { in winbond_nor_write_ear()
[all …]
H A Dissi.c12 is25lp256_post_bfpt_fixups(struct spi_nor *nor, in is25lp256_post_bfpt_fixups() argument
23 nor->params->addr_nbytes = 4; in is25lp256_post_bfpt_fixups()
32 static int pm25lv_nor_late_init(struct spi_nor *nor) in pm25lv_nor_late_init() argument
34 struct spi_nor_erase_map *map = &nor->params->erase_map; in pm25lv_nor_late_init()
132 static void issi_nor_default_init(struct spi_nor *nor) in issi_nor_default_init() argument
134 nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; in issi_nor_default_init()
H A Deverspin.c37 static void everspin_nor_default_init(struct spi_nor *nor) in everspin_nor_default_init() argument
40 nor->params->hwcaps.mask &= ~SNOR_HWCAPS_READ_FAST; in everspin_nor_default_init()
/linux/drivers/mtd/spi-nor/controllers/
H A Dhisi-sfc.c99 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
205 struct hifmc_priv *priv = nor->priv; in hisi_spi_nor_read_reg()
209 ret = hisi_spi_nor_op_reg(nor, opcode, len, FMC_OP_READ_DATA_EN); in hisi_spi_nor_read_reg()
[all …]
H A Dnxp-spifi.c58 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
190 struct nxp_spifi *spifi = nor->priv; in nxp_spifi_write()
204 SPIFI_CMD_OPCODE(nor->program_opcode) | in nxp_spifi_write()
[all …]
/linux/Documentation/devicetree/bindings/mtd/
H A Dhisilicon,fmc-spi-nor.txt4 - 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";
/linux/include/linux/mtd/
H A Dspi-nor.h306 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);
313 ssize_t (*write)(struct spi_nor *nor, loff_t to, size_t len,
315 int (*erase)(struct spi_nor *nor, loff_t offs);
425 static inline void spi_nor_set_flash_node(struct spi_nor *nor, in spi_nor_set_flash_node() argument
428 mtd_set_of_node(&nor->mtd, np); in spi_nor_set_flash_node()
431 static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor) in spi_nor_get_flash_node() argument
[all …]
/linux/arch/powerpc/boot/dts/fsl/
H A Dmpc8536ds.dtsi13 * * 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";
[all …]
H A Dp1022ds.dtsi13 * * 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";
H A Dmpc8544ds.dtsi13 * * Neither the name of Freescale Semiconductor nor the
36 nor@0,0 {
46 label = "dtb-nor";
51 label = "diagnostic-nor";
57 label = "dink-nor";
63 label = "kernel-nor";
68 label = "u-boot-nor";
H A Dmpc8572ds.dtsi13 * * 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 = "env-nor";
84 label = "u-boot-nor";
H A Dt1024qds.dts13 * * Neither the name of Freescale Semiconductor nor the
71 nor@0,0 {
119 compatible = "micron,n25q128a11", "jedec,spi-nor"; /* 16MB */
127 compatible = "sst,sst25wf040", "jedec,spi-nor"; /* 512KB */
135 compatible = "eon,en25s64", "jedec,spi-nor"; /* 8MB */
/linux/arch/arm64/boot/dts/freescale/
H A Dfsl-ls1088a-qds.dts27 compatible = "jedec,spi-nor";
35 compatible = "jedec,spi-nor";
45 compatible = "jedec,spi-nor";
150 compatible = "jedec,spi-nor";
160 compatible = "jedec,spi-nor";
H A Dfsl-ls1028a-qds.dts152 compatible = "jedec,spi-nor";
162 compatible = "jedec,spi-nor";
172 compatible = "jedec,spi-nor";
187 compatible = "jedec,spi-nor";
197 compatible = "jedec,spi-nor";
207 compatible = "jedec,spi-nor";
222 compatible = "jedec,spi-nor";
260 compatible = "jedec,spi-nor";
H A Dfsl-ls2081a-rdb.dts33 compatible = "jedec,spi-nor";
98 compatible = "jedec,spi-nor";
108 compatible = "jedec,spi-nor";
/linux/Documentation/driver-api/mtd/
H A Dspi-nor.rst17 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
79 root@1:~# cat /sys/kernel/debug/spi-nor/spi0.0/capabilities
114 root@1:~# cat /sys/kernel/debug/spi-nor/spi0.0/params
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-spi-devices-spi-nor1 What: /sys/bus/spi/devices/.../spi-nor/jedec_id
12 What: /sys/bus/spi/devices/.../spi-nor/manufacturer
22 What: /sys/bus/spi/devices/.../spi-nor/partname
32 What: /sys/bus/spi/devices/.../spi-nor/sfdp

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