diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0157-mtd-nand-pxa3xx-Consolidate-ECC-initialization.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0157-mtd-nand-pxa3xx-Consolidate-ECC-initialization.patch | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/target/linux/mvebu/patches-3.10/0157-mtd-nand-pxa3xx-Consolidate-ECC-initialization.patch b/target/linux/mvebu/patches-3.10/0157-mtd-nand-pxa3xx-Consolidate-ECC-initialization.patch deleted file mode 100644 index 28ec7d8..0000000 --- a/target/linux/mvebu/patches-3.10/0157-mtd-nand-pxa3xx-Consolidate-ECC-initialization.patch +++ /dev/null @@ -1,100 +0,0 @@ -From 70c36de37f357f38b5a56292534133d75e7d8870 Mon Sep 17 00:00:00 2001 -From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> -Date: Mon, 25 Nov 2013 12:36:18 -0300 -Subject: [PATCH 157/203] mtd: nand: pxa3xx: Consolidate ECC initialization - -In order to avoid code duplication, let's consolidate the ECC setting -for all SoC variants. Such decision is based on page size and ECC -strength requirements. - -Also, provide a default value for the case where such ECC information -is not provided (non-ONFI devices). - -Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> ---- - drivers/mtd/nand/pxa3xx_nand.c | 40 ++++++++++++++++------------------------ - 1 file changed, 16 insertions(+), 24 deletions(-) - ---- a/drivers/mtd/nand/pxa3xx_nand.c -+++ b/drivers/mtd/nand/pxa3xx_nand.c -@@ -1335,13 +1335,9 @@ static int pxa3xx_nand_sensing(struct px - - static int pxa_ecc_init(struct pxa3xx_nand_info *info, - struct nand_ecc_ctrl *ecc, -- int strength, int page_size) -+ int strength, int ecc_stepsize, int page_size) - { -- /* -- * We don't use strength here as the PXA variant -- * is used with non-ONFI compliant devices. -- */ -- if (page_size == 2048) { -+ if (strength == 1 && ecc_stepsize == 512 && page_size == 2048) { - info->chunk_size = 2048; - info->spare_size = 40; - info->ecc_size = 24; -@@ -1350,7 +1346,7 @@ static int pxa_ecc_init(struct pxa3xx_na - ecc->strength = 1; - return 1; - -- } else if (page_size == 512) { -+ } else if (strength == 1 && ecc_stepsize == 512 && page_size == 512) { - info->chunk_size = 512; - info->spare_size = 8; - info->ecc_size = 8; -@@ -1358,19 +1354,12 @@ static int pxa_ecc_init(struct pxa3xx_na - ecc->size = 512; - ecc->strength = 1; - return 1; -- } -- return 0; --} - --static int armada370_ecc_init(struct pxa3xx_nand_info *info, -- struct nand_ecc_ctrl *ecc, -- int strength, int ecc_stepsize, int page_size) --{ - /* - * Required ECC: 4-bit correction per 512 bytes - * Select: 16-bit correction per 2048 bytes - */ -- if (strength == 4 && ecc_stepsize == 512 && page_size == 4096) { -+ } else if (strength == 4 && ecc_stepsize == 512 && page_size == 4096) { - info->ecc_bch = 1; - info->chunk_size = 2048; - info->spare_size = 32; -@@ -1411,6 +1400,7 @@ static int pxa3xx_nand_scan(struct mtd_i - uint32_t id = -1; - uint64_t chipsize; - int i, ret, num; -+ uint16_t ecc_strength, ecc_step; - - if (pdata->keep_config && !pxa3xx_nand_detect_config(info)) - goto KEEP_CONFIG; -@@ -1505,15 +1495,17 @@ KEEP_CONFIG: - } - } - -- if (info->variant == PXA3XX_NAND_VARIANT_ARMADA370) -- ret = armada370_ecc_init(info, &chip->ecc, -- chip->ecc_strength_ds, -- chip->ecc_step_ds, -- mtd->writesize); -- else -- ret = pxa_ecc_init(info, &chip->ecc, -- chip->ecc_strength_ds, -- mtd->writesize); -+ ecc_strength = chip->ecc_strength_ds; -+ ecc_step = chip->ecc_step_ds; -+ -+ /* Set default ECC strength requirements on non-ONFI devices */ -+ if (ecc_strength < 1 && ecc_step < 1) { -+ ecc_strength = 1; -+ ecc_step = 512; -+ } -+ -+ ret = pxa_ecc_init(info, &chip->ecc, ecc_strength, -+ ecc_step, mtd->writesize); - if (!ret) { - dev_err(&info->pdev->dev, - "ECC strength %d at page size %d is not supported\n", |