| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <OF1E89886E.8C80DE01-ON48257A9C.000D4C08-48257A9C.000D8A63@mxic.com.tw>
Date: Fri, 19 Oct 2012 10:27:59 +0800
From: jimkuo@...c.com.tw
To: linux-kernel@...r.kernel.org
Subject: [PATCH v2] m25p80: Add support of Macronix SPI flash
Hello,
I'm an engineer of Macronix. I have sent you a m25p80 patch few weeks ago.
This is an update version of that one.
I replaced the old jedec id with our new product's. And add "write enable"
feature to our chips.
Two of our products have different page size, so I add an "if statement"
before page size assignment.
The following is m25p80 patch "diff" from Linux-3.6 kernel:
--
--- drivers/mtd/devices/m25p80.c.orig 2012-10-19 10:10:36.017581000
+0800
+++ drivers/mtd/devices/m25p80.c 2012-10-19 10:14:55.294198000 +0800
@@ -648,13 +648,31 @@ static const struct spi_device_id m25p_i
{ "640s33b", INFO(0x898913, 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) },
+ { "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) },
{ "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) },
@@ -868,7 +886,8 @@ static int __devinit m25p_probe(struct s
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);
}
@@ -905,7 +924,11 @@ static int __devinit m25p_probe(struct s
ppdata.of_node = spi->dev.of_node;
flash->mtd.dev.parent = &spi->dev;
- flash->page_size = info->page_size;
+ /* small size page of Macronix chip */
+ if (info->jedec_id == 0xc22210 || info->jedec_id == 0xc22211)
+ flash->page_size = 32;
+ else
+ flash->page_size = info->page_size;
flash->mtd.writebufsize = flash->page_size;
if (info->addr_width)
--
============================================================================
CONFIDENTIALITY NOTE:
This e-mail and any attachments may contain confidential information and may be protected by legal privilege. If you are not the intended addressee (or authorized to receive for the addressee), be aware that any disclosure, copying, distribution or use of this e-mail or any attachment is prohibited. If you have received this e-mail in error, please notify us immediately by returning it to the sender and delete this copy from your system. Thank you for your cooperation.
Macronix International Co., Ltd.
=====================================================================
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists