diff options
Diffstat (limited to 'drivers/mtd/spi-nor')
-rw-r--r-- | drivers/mtd/spi-nor/controllers/intel-spi-pci.c | 2 | ||||
-rw-r--r-- | drivers/mtd/spi-nor/controllers/intel-spi.c | 13 | ||||
-rw-r--r-- | drivers/mtd/spi-nor/core.c | 57 | ||||
-rw-r--r-- | drivers/mtd/spi-nor/core.h | 10 | ||||
-rw-r--r-- | drivers/mtd/spi-nor/macronix.c | 6 | ||||
-rw-r--r-- | drivers/mtd/spi-nor/micron-st.c | 4 | ||||
-rw-r--r-- | drivers/mtd/spi-nor/sfdp.c | 3 | ||||
-rw-r--r-- | drivers/mtd/spi-nor/spansion.c | 4 | ||||
-rw-r--r-- | drivers/mtd/spi-nor/winbond.c | 4 |
9 files changed, 71 insertions, 32 deletions
diff --git a/drivers/mtd/spi-nor/controllers/intel-spi-pci.c b/drivers/mtd/spi-nor/controllers/intel-spi-pci.c index 81329f680bec..c72aa1ab71ad 100644 --- a/drivers/mtd/spi-nor/controllers/intel-spi-pci.c +++ b/drivers/mtd/spi-nor/controllers/intel-spi-pci.c @@ -68,7 +68,9 @@ static const struct pci_device_id intel_spi_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x06a4), (unsigned long)&bxt_info }, { PCI_VDEVICE(INTEL, 0x18e0), (unsigned long)&bxt_info }, { PCI_VDEVICE(INTEL, 0x19e0), (unsigned long)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x1bca), (unsigned long)&bxt_info }, { PCI_VDEVICE(INTEL, 0x34a4), (unsigned long)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x43a4), (unsigned long)&cnl_info }, { PCI_VDEVICE(INTEL, 0x4b24), (unsigned long)&bxt_info }, { PCI_VDEVICE(INTEL, 0x4da4), (unsigned long)&bxt_info }, { PCI_VDEVICE(INTEL, 0xa0a4), (unsigned long)&bxt_info }, diff --git a/drivers/mtd/spi-nor/controllers/intel-spi.c b/drivers/mtd/spi-nor/controllers/intel-spi.c index 61d2a0ad2131..b54a56a68100 100644 --- a/drivers/mtd/spi-nor/controllers/intel-spi.c +++ b/drivers/mtd/spi-nor/controllers/intel-spi.c @@ -292,7 +292,7 @@ static int intel_spi_wait_hw_busy(struct intel_spi *ispi) u32 val; return readl_poll_timeout(ispi->base + HSFSTS_CTL, val, - !(val & HSFSTS_CTL_SCIP), 40, + !(val & HSFSTS_CTL_SCIP), 0, INTEL_SPI_TIMEOUT * 1000); } @@ -301,7 +301,7 @@ static int intel_spi_wait_sw_busy(struct intel_spi *ispi) u32 val; return readl_poll_timeout(ispi->sregs + SSFSTS_CTL, val, - !(val & SSFSTS_CTL_SCIP), 40, + !(val & SSFSTS_CTL_SCIP), 0, INTEL_SPI_TIMEOUT * 1000); } @@ -612,6 +612,15 @@ static int intel_spi_write_reg(struct spi_nor *nor, u8 opcode, const u8 *buf, return 0; } + /* + * We hope that HW sequencer will do the right thing automatically and + * with the SW sequencer we cannot use preopcode anyway, so just ignore + * the Write Disable operation and pretend it was completed + * successfully. + */ + if (opcode == SPINOR_OP_WRDI) + return 0; + writel(0, ispi->base + FADDR); /* Write the value beforehand */ diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 0369d98b2d12..65eff4ce6ab1 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -1907,15 +1907,16 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) } /** - * spi_nor_sr1_bit6_quad_enable() - Set the Quad Enable BIT(6) in the Status - * Register 1. + * spi_nor_sr1_bit6_quad_enable() - Set/Unset the Quad Enable BIT(6) in the + * Status Register 1. * @nor: pointer to a 'struct spi_nor' + * @enable: true to enable Quad mode, false to disable Quad mode. * * Bit 6 of the Status Register 1 is the QE bit for Macronix like QSPI memories. * * Return: 0 on success, -errno otherwise. */ -int spi_nor_sr1_bit6_quad_enable(struct spi_nor *nor) +int spi_nor_sr1_bit6_quad_enable(struct spi_nor *nor, bool enable) { int ret; @@ -1923,45 +1924,56 @@ int spi_nor_sr1_bit6_quad_enable(struct spi_nor *nor) if (ret) return ret; - if (nor->bouncebuf[0] & SR1_QUAD_EN_BIT6) + if ((enable && (nor->bouncebuf[0] & SR1_QUAD_EN_BIT6)) || + (!enable && !(nor->bouncebuf[0] & SR1_QUAD_EN_BIT6))) return 0; - nor->bouncebuf[0] |= SR1_QUAD_EN_BIT6; + if (enable) + nor->bouncebuf[0] |= SR1_QUAD_EN_BIT6; + else + nor->bouncebuf[0] &= ~SR1_QUAD_EN_BIT6; return spi_nor_write_sr1_and_check(nor, nor->bouncebuf[0]); } /** - * spi_nor_sr2_bit1_quad_enable() - set the Quad Enable BIT(1) in the Status - * Register 2. + * spi_nor_sr2_bit1_quad_enable() - set/unset the Quad Enable BIT(1) in the + * Status Register 2. * @nor: pointer to a 'struct spi_nor'. + * @enable: true to enable Quad mode, false to disable Quad mode. * * Bit 1 of the Status Register 2 is the QE bit for Spansion like QSPI memories. * * Return: 0 on success, -errno otherwise. */ -int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor) +int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor, bool enable) { int ret; if (nor->flags & SNOR_F_NO_READ_CR) - return spi_nor_write_16bit_cr_and_check(nor, SR2_QUAD_EN_BIT1); + return spi_nor_write_16bit_cr_and_check(nor, + enable ? SR2_QUAD_EN_BIT1 : 0); ret = spi_nor_read_cr(nor, nor->bouncebuf); if (ret) return ret; - if (nor->bouncebuf[0] & SR2_QUAD_EN_BIT1) + if ((enable && (nor->bouncebuf[0] & SR2_QUAD_EN_BIT1)) || + (!enable && !(nor->bouncebuf[0] & SR2_QUAD_EN_BIT1))) return 0; - nor->bouncebuf[0] |= SR2_QUAD_EN_BIT1; + if (enable) + nor->bouncebuf[0] |= SR2_QUAD_EN_BIT1; + else + nor->bouncebuf[0] &= ~SR2_QUAD_EN_BIT1; return spi_nor_write_16bit_cr_and_check(nor, nor->bouncebuf[0]); } /** - * spi_nor_sr2_bit7_quad_enable() - set QE bit in Status Register 2. + * spi_nor_sr2_bit7_quad_enable() - set/unset QE bit in Status Register 2. * @nor: pointer to a 'struct spi_nor' + * @enable: true to enable Quad mode, false to disable Quad mode. * * Set the Quad Enable (QE) bit in the Status Register 2. * @@ -1971,7 +1983,7 @@ int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor) * * Return: 0 on success, -errno otherwise. */ -int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor) +int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor, bool enable) { u8 *sr2 = nor->bouncebuf; int ret; @@ -1981,11 +1993,15 @@ int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor) ret = spi_nor_read_sr2(nor, sr2); if (ret) return ret; - if (*sr2 & SR2_QUAD_EN_BIT7) + if ((enable && (*sr2 & SR2_QUAD_EN_BIT7)) || + (!enable && !(*sr2 & SR2_QUAD_EN_BIT7))) return 0; /* Update the Quad Enable bit. */ - *sr2 |= SR2_QUAD_EN_BIT7; + if (enable) + *sr2 |= SR2_QUAD_EN_BIT7; + else + *sr2 &= ~SR2_QUAD_EN_BIT7; ret = spi_nor_write_sr2(nor, sr2); if (ret) @@ -2898,12 +2914,13 @@ static int spi_nor_init_params(struct spi_nor *nor) } /** - * spi_nor_quad_enable() - enable Quad I/O if needed. + * spi_nor_quad_enable() - enable/disable Quad I/O if needed. * @nor: pointer to a 'struct spi_nor' + * @enable: true to enable Quad mode. false to disable Quad mode. * * Return: 0 on success, -errno otherwise. */ -static int spi_nor_quad_enable(struct spi_nor *nor) +static int spi_nor_quad_enable(struct spi_nor *nor, bool enable) { if (!nor->params->quad_enable) return 0; @@ -2912,7 +2929,7 @@ static int spi_nor_quad_enable(struct spi_nor *nor) spi_nor_get_protocol_width(nor->write_proto) == 4)) return 0; - return nor->params->quad_enable(nor); + return nor->params->quad_enable(nor, enable); } /** @@ -2936,7 +2953,7 @@ static int spi_nor_init(struct spi_nor *nor) { int err; - err = spi_nor_quad_enable(nor); + err = spi_nor_quad_enable(nor, true); if (err) { dev_dbg(nor->dev, "quad mode not supported\n"); return err; @@ -2983,6 +3000,8 @@ void spi_nor_restore(struct spi_nor *nor) if (nor->addr_width == 4 && !(nor->flags & SNOR_F_4B_OPCODES) && nor->flags & SNOR_F_BROKEN_RESET) nor->params->set_4byte_addr_mode(nor, false); + + spi_nor_quad_enable(nor, false); } EXPORT_SYMBOL_GPL(spi_nor_restore); diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h index 6f2f6b27173f..95aa32f3ceb1 100644 --- a/drivers/mtd/spi-nor/core.h +++ b/drivers/mtd/spi-nor/core.h @@ -198,7 +198,7 @@ struct spi_nor_locking_ops { * higher index in the array, the higher priority. * @erase_map: the erase map parsed from the SFDP Sector Map Parameter * Table. - * @quad_enable: enables SPI NOR quad mode. + * @quad_enable: enables/disables SPI NOR Quad mode. * @set_4byte_addr_mode: puts the SPI NOR in 4 byte addressing mode. * @convert_addr: converts an absolute address into something the flash * will understand. Particularly useful when pagesize is @@ -219,7 +219,7 @@ struct spi_nor_flash_parameter { struct spi_nor_erase_map erase_map; - int (*quad_enable)(struct spi_nor *nor); + int (*quad_enable)(struct spi_nor *nor, bool enable); int (*set_4byte_addr_mode)(struct spi_nor *nor, bool enable); u32 (*convert_addr)(struct spi_nor *nor, u32 addr); int (*setup)(struct spi_nor *nor, const struct spi_nor_hwcaps *hwcaps); @@ -406,9 +406,9 @@ int spi_nor_write_ear(struct spi_nor *nor, u8 ear); int spi_nor_wait_till_ready(struct spi_nor *nor); int spi_nor_lock_and_prep(struct spi_nor *nor); void spi_nor_unlock_and_unprep(struct spi_nor *nor); -int spi_nor_sr1_bit6_quad_enable(struct spi_nor *nor); -int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor); -int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor); +int spi_nor_sr1_bit6_quad_enable(struct spi_nor *nor, bool enable); +int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor, bool enable); +int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor, bool enable); int spi_nor_xread_sr(struct spi_nor *nor, u8 *sr); ssize_t spi_nor_read_data(struct spi_nor *nor, loff_t from, size_t len, diff --git a/drivers/mtd/spi-nor/macronix.c b/drivers/mtd/spi-nor/macronix.c index 96735d83c77c..f97f3d127575 100644 --- a/drivers/mtd/spi-nor/macronix.c +++ b/drivers/mtd/spi-nor/macronix.c @@ -52,6 +52,9 @@ static const struct flash_info macronix_parts[] = { { "mx25u6435f", INFO(0xc22537, 0, 64 * 1024, 128, SECT_4K) }, { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) }, { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) }, + { "mx25r1635f", INFO(0xc22815, 0, 64 * 1024, 32, + SECT_4K | SPI_NOR_DUAL_READ | + SPI_NOR_QUAD_READ) }, { "mx25r3235f", INFO(0xc22816, 0, 64 * 1024, 64, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, @@ -84,6 +87,9 @@ static const struct flash_info macronix_parts[] = { SPI_NOR_QUAD_READ) }, { "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048, SPI_NOR_QUAD_READ) }, + { "mx66u2g45g", INFO(0xc2253c, 0, 64 * 1024, 4096, + SECT_4K | SPI_NOR_DUAL_READ | + SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, }; static void macronix_default_init(struct spi_nor *nor) diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c index 3dca5b9af3b6..ef3695080710 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -71,8 +71,8 @@ static const struct flash_info st_parts[] = { SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) }, { "mt25qu02g", INFO(0x20bb22, 0, 64 * 1024, 4096, - SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | - NO_CHIP_ERASE) }, + SECT_4K | USE_FSR | SPI_NOR_DUAL_READ | + SPI_NOR_QUAD_READ | NO_CHIP_ERASE) }, { "m25p05", INFO(0x202010, 0, 32 * 1024, 2, 0) }, { "m25p10", INFO(0x202011, 0, 32 * 1024, 4, 0) }, diff --git a/drivers/mtd/spi-nor/sfdp.c b/drivers/mtd/spi-nor/sfdp.c index 55c0c508464b..e2a43d39eb5f 100644 --- a/drivers/mtd/spi-nor/sfdp.c +++ b/drivers/mtd/spi-nor/sfdp.c @@ -598,7 +598,8 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, break; default: - return -EINVAL; + dev_dbg(nor->dev, "BFPT QER reserved value used\n"); + break; } /* Stop here if not JESD216 rev C or later. */ diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index e550cd5c9d3a..8429b4af999a 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -64,7 +64,6 @@ static const struct flash_info spansion_parts[] = { { "s25fs512s", INFO6(0x010220, 0x4d0081, 256 * 1024, 256, SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | USE_CLSR) .fixups = &s25fs_s_fixups, }, - { "s70fl01gs", INFO(0x010221, 0x4d00, 256 * 1024, 256, 0) }, { "s25sl12800", INFO(0x012018, 0x0300, 256 * 1024, 64, 0) }, { "s25sl12801", INFO(0x012018, 0x0301, 64 * 1024, 256, 0) }, { "s25fl129p0", INFO(0x012018, 0x4d00, 256 * 1024, 64, @@ -84,7 +83,8 @@ static const struct flash_info spansion_parts[] = { SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, { "s25fl016k", INFO(0xef4015, 0, 64 * 1024, 32, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, - { "s25fl064k", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) }, + { "s25fl064k", INFO(0xef4017, 0, 64 * 1024, 128, + SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, { "s25fl116k", INFO(0x014015, 0, 64 * 1024, 32, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, { "s25fl132k", INFO(0x014016, 0, 64 * 1024, 64, SECT_4K) }, diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c index 5062af10f138..6dcde15fb1aa 100644 --- a/drivers/mtd/spi-nor/winbond.c +++ b/drivers/mtd/spi-nor/winbond.c @@ -64,10 +64,12 @@ static const struct flash_info winbond_parts[] = { SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, { "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) }, - { "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) }, + { "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, + SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, { "w25q64dw", INFO(0xef6017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, + { "w25q64jvm", INFO(0xef7017, 0, 64 * 1024, 128, SECT_4K) }, { "w25q128fw", INFO(0xef6018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, |