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Message-ID: <CAHgCKdX9_rxEj=MUNQNn9aLCwNaLCwV9WogOYiffRqyuh+TePw@mail.gmail.com>
Date: Wed, 27 Mar 2013 22:29:28 +0800
From: Jim-Ting Kuo <jimtingkuo@...il.com>
To: linux-kernel@...r.kernel.org
Subject: [PATCH] mtd: m25p80: add support for Macronix chips
I have changed and added JEDEC id of Macronix SPI flash to "m25p_ids" array.
This is using for the current Macronix's product. And I initialized Macronix
chip's status register to 0 which is need by some of Macronix chips. Thanks!
Signed-off-by: Jim Kuo <jimtingkuo@...il.com>
---
drivers/mtd/devices/m25p80.c | 47 ++++++++++++++++++++++++++++++------------
1 file changed, 34 insertions(+), 13 deletions(-)
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 5b6b072..3120062 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -743,16 +743,36 @@ static const struct spi_device_id m25p_ids[] = {
{ "n25q064", INFO(0x20ba17, 0, 64 * 1024, 128, 0) },
/* Macronix */
- { "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4, SECT_4K) },
- { "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) },
- { "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16, 0) },
- { "mx25l1606e", INFO(0xc22015, 0, 64 * 1024, 32, SECT_4K) },
- { "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64, 0) },
- { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, 0) },
- { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
- { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
- { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512, 0) },
- { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) },
+ { "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1, SECT_4K) },
+ { "mx25l5121e", INFO(0xc22210, 0, 64 * 1024, 1, SECT_4K) },
+ { "mx25l1006e", INFO(0xc22011, 0, 64 * 1024, 2, SECT_4K) },
+ { "mx25l1021e", INFO(0xc22211, 0, 64 * 1024, 2, SECT_4K) },
+ { "mx25l2006e", INFO(0xc22012, 0, 64 * 1024, 4, SECT_4K) },
+ { "mx25l4006e", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) },
+ { "mx25u4035", INFO(0xc22533, 0, 64 * 1024, 8, SECT_4K) },
+ { "mx25v4035", INFO(0xc22553, 0, 64 * 1024, 8, SECT_4K) },
+ { "mx25l8006e", INFO(0xc22014, 0, 64 * 1024, 16, 0) },
+ { "mx25u8035", INFO(0xc22534, 0, 64 * 1024, 16, 0) },
+ { "mx25v8035", INFO(0xc22554, 0, 64 * 1024, 16, 0) },
+ { "mx25l1606e", INFO(0xc22015, 0, 64 * 1024, 32, 0) },
+ { "mx25l1633e", INFO(0xc22415, 0, 64 * 1024, 32, 0) },
+ { "mx25l1635e", INFO(0xc22515, 0, 64 * 1024, 32, 0) },
+ { "mx25u1635e", INFO(0xc22535, 0, 64 * 1024, 32, 0) },
+ { "mx25l1655d", INFO(0xc22615, 0, 64 * 1024, 32, 0) },
+ { "mx25l3206e", INFO(0xc22016, 0, 64 * 1024, 64, 0) },
+ { "mx25l3239e", INFO(0xc22536, 0, 64 * 1024, 64, 0) },
+ { "mx25l3225d", INFO(0xc25e16, 0, 64 * 1024, 64, 0) },
+ { "mx25l3255d", INFO(0xc29e16, 0, 64 * 1024, 64, 0) },
+ { "mx25l6406e", INFO(0xc22017, 0, 64 * 1024, 128, 0) },
+ { "mx25l6439e", INFO(0xc22537, 0, 64 * 1024, 128, 0) },
+ { "mx25l6455e", INFO(0xc22617, 0, 64 * 1024, 128, 0) },
+ { "mx25l12806e", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
+ { "mx25u12835f", INFO(0xc22538, 0, 64 * 1024, 256, 0) },
+ { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
+ { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512, 0) },
+ { "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512, 0) },
+ { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) },
+ { "mx66l51235f", INFO(0xc2201a, 0, 64 * 1024, 1024, 0) },
/* Micron */
{ "n25q128a11", INFO(0x20bb18, 0, 64 * 1024, 256, 0) },
@@ -970,13 +990,14 @@ static int m25p_probe(struct spi_device *spi)
dev_set_drvdata(&spi->dev, flash);
/*
- * Atmel, SST and Intel/Numonyx serial flash tend to power
- * up with the software protection bits set
+ * Atmel, SST, Intel/Numonyx and Macronix serial flash tend
+ * to power up with the software protection bits set
*/
if (JEDEC_MFR(info->jedec_id) == CFI_MFR_ATMEL ||
JEDEC_MFR(info->jedec_id) == CFI_MFR_INTEL ||
- JEDEC_MFR(info->jedec_id) == CFI_MFR_SST) {
+ JEDEC_MFR(info->jedec_id) == CFI_MFR_SST ||
+ JEDEC_MFR(info->jedec_id) == CFI_MFR_MACRONIX) {
write_enable(flash);
write_sr(flash, 0);
}
--
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