3af779eb17
This is a backport of the patches accepted to the Linux mainline related to mvebu SoC (Armada XP and Armada 370) between Linux v3.11, and Linux v3.12. This work mainly covers: * Ground work for sharing the pxa nand driver(drivers/mtd/nand/pxa3xx_nand.c) between the PXA family,and the Armada family. * Further updates to the mvebu MBus. * Work and ground work for enabling MSI on the Armada family. * some phy / mdio bus initialization related work. * Device tree binding documentation update. Signed-off-by: Seif Mazareeb <seif.mazareeb@gmail.com> CC: Luka Perkov <luka@openwrt.org> SVN-Revision: 39565
31 lines
1,004 B
Diff
31 lines
1,004 B
Diff
From ceef2075f3aa430da137e3629b0280a46d420ccd Mon Sep 17 00:00:00 2001
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From: Huang Shijie <b32955@freescale.com>
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Date: Fri, 17 May 2013 11:17:26 +0800
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Subject: [PATCH 093/203] mtd: get the ECC info from the parameter page for
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ONFI nand
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From the ONFI spec, we can just get the ECC info from the @ecc_bits field of
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the parameter page.
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Signed-off-by: Huang Shijie <b32955@freescale.com>
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Reviewed-and-tested-by: Brian Norris <computersforpeace@gmail.com>
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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---
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drivers/mtd/nand/nand_base.c | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/drivers/mtd/nand/nand_base.c
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+++ b/drivers/mtd/nand/nand_base.c
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@@ -2924,6 +2924,11 @@ static int nand_flash_detect_onfi(struct
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if (le16_to_cpu(p->features) & 1)
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*busw = NAND_BUSWIDTH_16;
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+ if (p->ecc_bits != 0xff) {
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+ chip->ecc_strength_ds = p->ecc_bits;
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+ chip->ecc_step_ds = 512;
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+ }
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+
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pr_info("ONFI flash detected\n");
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return 1;
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}
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