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SPI NOR core changes: 

- Print all JEDEC ID bytes on error
 - Fix comment of spi_nor_find_best_erase_type()
 - Add region locking flags for s25fl512s
 
 SPI NOR controller drivers changes:
 - intel-spi:
   * Avoid crossing 4K address boundary on read/write
   * Add support for Intel Comet Lake SPI serial flash
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Merge tag 'spi-nor/for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next

SPI NOR core changes:
- Print all JEDEC ID bytes on error
- Fix comment of spi_nor_find_best_erase_type()
- Add region locking flags for s25fl512s

SPI NOR controller drivers changes:
- intel-spi:
  * Avoid crossing 4K address boundary on read/write
  * Add support for Intel Comet Lake SPI serial flash
hifive-unleashed-5.2
Richard Weinberger 2019-05-06 21:46:16 +02:00
parent 1c7cbd6347 e43f53c22a
commit 8b522c4baa
3 changed files with 15 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/mtd/spi-nor/intel-spi-pci.c
View File

@ -63,6 +63,7 @@ static void intel_spi_pci_remove(struct pci_dev *pdev)
}
static const struct pci_device_id intel_spi_pci_ids[] = {
{ PCI_VDEVICE(INTEL, 0x02a4), (unsigned long)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x18e0), (unsigned long)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x19e0), (unsigned long)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x34a4), (unsigned long)&bxt_info },

8
drivers/mtd/spi-nor/intel-spi.c
View File

@ -632,6 +632,10 @@ static ssize_t intel_spi_read(struct spi_nor *nor, loff_t from, size_t len,
while (len > 0) {
block_size = min_t(size_t, len, INTEL_SPI_FIFO_SZ);
/* Read cannot cross 4K boundary */
block_size = min_t(loff_t, from + block_size,
round_up(from + 1, SZ_4K)) - from;
writel(from, ispi->base + FADDR);
val = readl(ispi->base + HSFSTS_CTL);
@ -685,6 +689,10 @@ static ssize_t intel_spi_write(struct spi_nor *nor, loff_t to, size_t len,
while (len > 0) {
block_size = min_t(size_t, len, INTEL_SPI_FIFO_SZ);
/* Write cannot cross 4K boundary */
block_size = min_t(loff_t, to + block_size,
round_up(to + 1, SZ_4K)) - to;
writel(to, ispi->base + FADDR);
val = readl(ispi->base + HSFSTS_CTL);

10
drivers/mtd/spi-nor/spi-nor.c
View File

@ -744,7 +744,7 @@ spi_nor_find_best_erase_type(const struct spi_nor_erase_map *map,
u8 erase_mask = region->offset & SNOR_ERASE_TYPE_MASK;
/*
* Erase types are ordered by size, with the biggest erase type at
* Erase types are ordered by size, with the smallest erase type at
* index 0.
*/
for (i = SNOR_ERASE_TYPE_MAX - 1; i >= 0; i--) {
@ -1905,7 +1905,9 @@ static const struct flash_info spi_nor_ids[] = {
SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | USE_CLSR) },
{ "s25fl256s0", INFO(0x010219, 0x4d00, 256 * 1024, 128, USE_CLSR) },
{ "s25fl256s1", INFO(0x010219, 0x4d01, 64 * 1024, 512, SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | USE_CLSR) },
{ "s25fl512s", INFO6(0x010220, 0x4d0080, 256 * 1024, 256, SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | USE_CLSR) },
{ "s25fl512s", INFO6(0x010220, 0x4d0080, 256 * 1024, 256,
SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | USE_CLSR) },
{ "s25fs512s", INFO6(0x010220, 0x4d0081, 256 * 1024, 256, SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | USE_CLSR) },
{ "s70fl01gs", INFO(0x010221, 0x4d00, 256 * 1024, 256, 0) },
{ "s25sl12800", INFO(0x012018, 0x0300, 256 * 1024, 64, 0) },
@ -2071,8 +2073,8 @@ static const struct flash_info *spi_nor_read_id(struct spi_nor *nor)
return &spi_nor_ids[tmp];
}
}
dev_err(nor->dev, "unrecognized JEDEC id bytes: %02x, %02x, %02x\n",
id[0], id[1], id[2]);
dev_err(nor->dev, "unrecognized JEDEC id bytes: %*ph\n",
SPI_NOR_MAX_ID_LEN, id);
return ERR_PTR(-ENODEV);
}