Commit 10d4e75c authored by Boris Brezillon's avatar Boris Brezillon

mtd: nand: Move Micron specific init logic in nand_micron.c

Move Micron specific initialization logic into nand_micron.c. This is
part of the "separate vendor specific code from core" cleanup process.
Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: default avatarRichard Weinberger <richard@nod.at>
parent 9b2d61f8
...@@ -62,5 +62,6 @@ obj-$(CONFIG_MTD_NAND_MTK) += mtk_nand.o mtk_ecc.o ...@@ -62,5 +62,6 @@ obj-$(CONFIG_MTD_NAND_MTK) += mtk_nand.o mtk_ecc.o
nand-objs := nand_base.o nand_bbt.o nand_timings.o nand_ids.o nand-objs := nand_base.o nand_bbt.o nand_timings.o nand_ids.o
nand-objs += nand_hynix.o nand-objs += nand_hynix.o
nand-objs += nand_micron.o
nand-objs += nand_samsung.o nand-objs += nand_samsung.o
nand-objs += nand_toshiba.o nand-objs += nand_toshiba.o
...@@ -3537,30 +3537,6 @@ static int nand_flash_detect_ext_param_page(struct nand_chip *chip, ...@@ -3537,30 +3537,6 @@ static int nand_flash_detect_ext_param_page(struct nand_chip *chip,
return ret; return ret;
} }
static int nand_setup_read_retry_micron(struct mtd_info *mtd, int retry_mode)
{
struct nand_chip *chip = mtd_to_nand(mtd);
uint8_t feature[ONFI_SUBFEATURE_PARAM_LEN] = {retry_mode};
return chip->onfi_set_features(mtd, chip, ONFI_FEATURE_ADDR_READ_RETRY,
feature);
}
/*
* Configure chip properties from Micron vendor-specific ONFI table
*/
static void nand_onfi_detect_micron(struct nand_chip *chip,
struct nand_onfi_params *p)
{
struct nand_onfi_vendor_micron *micron = (void *)p->vendor;
if (le16_to_cpu(p->vendor_revision) < 1)
return;
chip->read_retries = micron->read_retry_options;
chip->setup_read_retry = nand_setup_read_retry_micron;
}
/* /*
* Check if the NAND chip is ONFI compliant, returns 1 if it is, 0 otherwise. * Check if the NAND chip is ONFI compliant, returns 1 if it is, 0 otherwise.
*/ */
...@@ -3660,9 +3636,6 @@ static int nand_flash_detect_onfi(struct nand_chip *chip) ...@@ -3660,9 +3636,6 @@ static int nand_flash_detect_onfi(struct nand_chip *chip)
pr_warn("Could not retrieve ONFI ECC requirements\n"); pr_warn("Could not retrieve ONFI ECC requirements\n");
} }
if (p->jedec_id == NAND_MFR_MICRON)
nand_onfi_detect_micron(chip, p);
return 1; return 1;
} }
...@@ -3899,9 +3872,8 @@ static void nand_decode_bbm_options(struct nand_chip *chip) ...@@ -3899,9 +3872,8 @@ static void nand_decode_bbm_options(struct nand_chip *chip)
* Micron devices with 2KiB pages and on SLC Samsung, Hynix, Toshiba, * Micron devices with 2KiB pages and on SLC Samsung, Hynix, Toshiba,
* AMD/Spansion, and Macronix. All others scan only the first page. * AMD/Spansion, and Macronix. All others scan only the first page.
*/ */
if ((nand_is_slc(chip) && if (nand_is_slc(chip) &&
(maf_id == NAND_MFR_AMD || maf_id == NAND_MFR_MACRONIX)) || (maf_id == NAND_MFR_AMD || maf_id == NAND_MFR_MACRONIX))
(mtd->writesize == 2048 && maf_id == NAND_MFR_MICRON))
chip->bbt_options |= NAND_BBT_SCAN2NDPAGE; chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;
} }
......
...@@ -178,7 +178,7 @@ static const struct nand_manufacturer nand_manufacturers[] = { ...@@ -178,7 +178,7 @@ static const struct nand_manufacturer nand_manufacturers[] = {
{NAND_MFR_RENESAS, "Renesas"}, {NAND_MFR_RENESAS, "Renesas"},
{NAND_MFR_STMICRO, "ST Micro"}, {NAND_MFR_STMICRO, "ST Micro"},
{NAND_MFR_HYNIX, "Hynix", &hynix_nand_manuf_ops}, {NAND_MFR_HYNIX, "Hynix", &hynix_nand_manuf_ops},
{NAND_MFR_MICRON, "Micron"}, {NAND_MFR_MICRON, "Micron", &micron_nand_manuf_ops},
{NAND_MFR_AMD, "AMD/Spansion"}, {NAND_MFR_AMD, "AMD/Spansion"},
{NAND_MFR_MACRONIX, "Macronix"}, {NAND_MFR_MACRONIX, "Macronix"},
{NAND_MFR_EON, "Eon"}, {NAND_MFR_EON, "Eon"},
......
/*
* Copyright (C) 2017 Free Electrons
* Copyright (C) 2017 NextThing Co
*
* Author: Boris Brezillon <boris.brezillon@free-electrons.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/mtd/nand.h>
struct nand_onfi_vendor_micron {
u8 two_plane_read;
u8 read_cache;
u8 read_unique_id;
u8 dq_imped;
u8 dq_imped_num_settings;
u8 dq_imped_feat_addr;
u8 rb_pulldown_strength;
u8 rb_pulldown_strength_feat_addr;
u8 rb_pulldown_strength_num_settings;
u8 otp_mode;
u8 otp_page_start;
u8 otp_data_prot_addr;
u8 otp_num_pages;
u8 otp_feat_addr;
u8 read_retry_options;
u8 reserved[72];
u8 param_revision;
} __packed;
static int micron_nand_setup_read_retry(struct mtd_info *mtd, int retry_mode)
{
struct nand_chip *chip = mtd_to_nand(mtd);
u8 feature[ONFI_SUBFEATURE_PARAM_LEN] = {retry_mode};
return chip->onfi_set_features(mtd, chip, ONFI_FEATURE_ADDR_READ_RETRY,
feature);
}
/*
* Configure chip properties from Micron vendor-specific ONFI table
*/
static int micron_nand_onfi_init(struct nand_chip *chip)
{
struct nand_onfi_params *p = &chip->onfi_params;
struct nand_onfi_vendor_micron *micron = (void *)p->vendor;
if (!chip->onfi_version)
return 0;
if (le16_to_cpu(p->vendor_revision) < 1)
return 0;
chip->read_retries = micron->read_retry_options;
chip->setup_read_retry = micron_nand_setup_read_retry;
return 0;
}
static int micron_nand_init(struct nand_chip *chip)
{
struct mtd_info *mtd = nand_to_mtd(chip);
int ret;
ret = micron_nand_onfi_init(chip);
if (ret)
return ret;
if (mtd->writesize == 2048)
chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;
return 0;
}
const struct nand_manufacturer_ops micron_nand_manuf_ops = {
.init = micron_nand_init,
};
...@@ -366,26 +366,6 @@ struct onfi_ext_param_page { ...@@ -366,26 +366,6 @@ struct onfi_ext_param_page {
*/ */
} __packed; } __packed;
struct nand_onfi_vendor_micron {
u8 two_plane_read;
u8 read_cache;
u8 read_unique_id;
u8 dq_imped;
u8 dq_imped_num_settings;
u8 dq_imped_feat_addr;
u8 rb_pulldown_strength;
u8 rb_pulldown_strength_feat_addr;
u8 rb_pulldown_strength_num_settings;
u8 otp_mode;
u8 otp_page_start;
u8 otp_data_prot_addr;
u8 otp_num_pages;
u8 otp_feat_addr;
u8 read_retry_options;
u8 reserved[72];
u8 param_revision;
} __packed;
struct jedec_ecc_info { struct jedec_ecc_info {
u8 ecc_bits; u8 ecc_bits;
u8 codeword_size; u8 codeword_size;
...@@ -1117,6 +1097,7 @@ extern struct nand_flash_dev nand_flash_ids[]; ...@@ -1117,6 +1097,7 @@ extern struct nand_flash_dev nand_flash_ids[];
extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops; extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops;
extern const struct nand_manufacturer_ops samsung_nand_manuf_ops; extern const struct nand_manufacturer_ops samsung_nand_manuf_ops;
extern const struct nand_manufacturer_ops hynix_nand_manuf_ops; extern const struct nand_manufacturer_ops hynix_nand_manuf_ops;
extern const struct nand_manufacturer_ops micron_nand_manuf_ops;
int nand_default_bbt(struct mtd_info *mtd); int nand_default_bbt(struct mtd_info *mtd);
int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs); int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs);
......
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