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mtd: m25p80: add support for the Intel/Numonyx {16,32,64}0S33B SPI flash chips

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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Gabor Juhos 2010-08-05 16:58:36 +02:00 committed by David Woodhouse
parent 60845e7272
commit f80e521c91
1 changed files with 7 additions and 1 deletions
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8
drivers/mtd/devices/m25p80.c
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@ -645,6 +645,11 @@ static const struct spi_device_id m25p_ids[] = {
{ "en25p32", INFO(0x1c2016, 0, 64 * 1024, 64, 0) }, { "en25p32", INFO(0x1c2016, 0, 64 * 1024, 64, 0) },
{ "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) }, { "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) },
/* Intel/Numonyx -- xxxs33b */
{ "160s33b", INFO(0x898911, 0, 64 * 1024, 32, 0) },
{ "320s33b", INFO(0x898912, 0, 64 * 1024, 64, 0) },
{ "640s33b", INFO(0x898913, 0, 64 * 1024, 128, 0) },
/* Macronix */ /* Macronix */
{ "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) }, { "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) },
{ "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16, 0) }, { "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16, 0) },
@ -834,11 +839,12 @@ static int __devinit m25p_probe(struct spi_device *spi)
dev_set_drvdata(&spi->dev, flash); dev_set_drvdata(&spi->dev, flash);
/* /*
* Atmel and SST serial flash tend to power * Atmel, SST and Intel/Numonyx serial flash tend to power
* up with the software protection bits set * up with the software protection bits set
*/ */
if (info->jedec_id >> 16 == 0x1f || if (info->jedec_id >> 16 == 0x1f ||
info->jedec_id >> 16 == 0x89 ||
info->jedec_id >> 16 == 0xbf) { info->jedec_id >> 16 == 0xbf) {
write_enable(flash); write_enable(flash);
write_sr(flash, 0); write_sr(flash, 0);