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author | Felix Fietkau <nbd@nbd.name> | 2016-05-12 17:52:20 +0200 |
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committer | Felix Fietkau <nbd@nbd.name> | 2016-05-12 17:52:20 +0200 |
commit | be83f982a71eb76288d011d6681739059d9a6ead (patch) | |
tree | 910ee25687f09cd9abc43202a1aad703f0092645 /target/linux/sunxi/patches-4.1/117-mtd-nand-add-hynix-init.patch | |
parent | 930195737a0916d80ad2f7fe8b0f8fe4e4691762 (diff) | |
download | master-31e0f0ae-be83f982a71eb76288d011d6681739059d9a6ead.tar.gz master-31e0f0ae-be83f982a71eb76288d011d6681739059d9a6ead.tar.bz2 master-31e0f0ae-be83f982a71eb76288d011d6681739059d9a6ead.zip |
sunxi: delete old kernel versions
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/sunxi/patches-4.1/117-mtd-nand-add-hynix-init.patch')
-rw-r--r-- | target/linux/sunxi/patches-4.1/117-mtd-nand-add-hynix-init.patch | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/target/linux/sunxi/patches-4.1/117-mtd-nand-add-hynix-init.patch b/target/linux/sunxi/patches-4.1/117-mtd-nand-add-hynix-init.patch deleted file mode 100644 index c6554da68d..0000000000 --- a/target/linux/sunxi/patches-4.1/117-mtd-nand-add-hynix-init.patch +++ /dev/null @@ -1,220 +0,0 @@ -From 5c5e3963a1b58be1669da5da93f51dc339cd73d7 Mon Sep 17 00:00:00 2001 -From: Boris BREZILLON <b.brezillon.dev@gmail.com> -Date: Mon, 24 Feb 2014 16:30:22 +0100 -Subject: [PATCH] mtd: nand: Add hynix specific initializer - -Add an hynix initiliazer to manage read retries on h27uxgt8t2a chip. - -Signed-off-by: Boris BREZILLON <b.brezillon.dev@gmail.com> -Signed-off-by: Hans de Goede <hdegoede@redhat.com> ---- - drivers/mtd/nand/Makefile | 2 +- - drivers/mtd/nand/nand_hynix.c | 159 ++++++++++++++++++++++++++++++++++++++++++ - drivers/mtd/nand/nand_ids.c | 3 +- - include/linux/mtd/nand.h | 2 + - 4 files changed, 164 insertions(+), 2 deletions(-) - create mode 100644 drivers/mtd/nand/nand_hynix.c - ---- a/drivers/mtd/nand/Makefile -+++ b/drivers/mtd/nand/Makefile -@@ -5,7 +5,7 @@ - obj-$(CONFIG_MTD_NAND) += nand.o - obj-$(CONFIG_MTD_NAND_ECC) += nand_ecc.o - obj-$(CONFIG_MTD_NAND_BCH) += nand_bch.o --obj-$(CONFIG_MTD_NAND_IDS) += nand_ids.o -+obj-$(CONFIG_MTD_NAND_IDS) += nand_ids.o nand_hynix.o - obj-$(CONFIG_MTD_SM_COMMON) += sm_common.o - - obj-$(CONFIG_MTD_NAND_CAFE) += cafe_nand.o ---- /dev/null -+++ b/drivers/mtd/nand/nand_hynix.c -@@ -0,0 +1,159 @@ -+/* -+ * Copyright (C) 2014 Boris BREZILLON <b.brezillon.dev@gmail.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/module.h> -+#include <linux/mtd/nand.h> -+#include <linux/slab.h> -+ -+static u8 h27ucg8t2a_read_retry_regs[] = { -+ 0xcc, 0xbf, 0xaa, 0xab, 0xcd, 0xad, 0xae, 0xaf -+}; -+ -+struct hynix_read_retry { -+ u8 *regs; -+ u8 values[64]; -+}; -+ -+struct hynix_nand { -+ struct hynix_read_retry read_retry; -+}; -+ -+int nand_setup_read_retry_hynix(struct mtd_info *mtd, int retry_mode) -+{ -+ struct nand_chip *chip = mtd->priv; -+ struct hynix_nand *hynix = chip->manuf_priv; -+ int offset = retry_mode * 8; -+ int status; -+ int i; -+ -+ chip->cmdfunc(mtd, 0x36, -1, -1); -+ for (i = 0; i < 8; i++) { -+ int column = hynix->read_retry.regs[i]; -+ column |= column << 8; -+ chip->cmdfunc(mtd, NAND_CMD_NONE, column, -1); -+ chip->write_byte(mtd, hynix->read_retry.values[offset + i]); -+ } -+ chip->cmdfunc(mtd, 0x16, -1, -1); -+ -+ status = chip->waitfunc(mtd, chip); -+ if (status & NAND_STATUS_FAIL) -+ return -EIO; -+ -+ return 0; -+} -+ -+static void h27ucg8t2a_cleanup(struct mtd_info *mtd) -+{ -+ struct nand_chip *chip = mtd->priv; -+ kfree(chip->manuf_priv); -+} -+ -+static int h27ucg8t2a_init(struct mtd_info *mtd, const uint8_t *id) -+{ -+ struct nand_chip *chip = mtd->priv; -+ struct hynix_nand *hynix; -+ u8 * buf = NULL; -+ int i, j; -+ int ret; -+ -+ buf = kzalloc(1024, GFP_KERNEL); -+ if (!buf) -+ return -ENOMEM; -+ -+ chip->select_chip(mtd, 0); -+ chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); -+ chip->cmdfunc(mtd, 0x36, 0xff, -1); -+ chip->write_byte(mtd, 0x40); -+ chip->cmdfunc(mtd, NAND_CMD_NONE, 0xcc, -1); -+ chip->write_byte(mtd, 0x4d); -+ chip->cmdfunc(mtd, 0x16, -1, -1); -+ chip->cmdfunc(mtd, 0x17, -1, -1); -+ chip->cmdfunc(mtd, 0x04, -1, -1); -+ chip->cmdfunc(mtd, 0x19, -1, -1); -+ chip->cmdfunc(mtd, NAND_CMD_READ0, 0x0, 0x200); -+ -+ chip->read_buf(mtd, buf, 2); -+ if (buf[0] != 0x8 || buf[1] != 0x8) { -+ ret = -EINVAL; -+ goto leave; -+ } -+ chip->read_buf(mtd, buf, 1024); -+ -+ ret = 0; -+ for (j = 0; j < 8; j++) { -+ for (i = 0; i < 64; i++) { -+ u8 *tmp = buf + (128 * j); -+ if ((tmp[i] | tmp[i + 64]) != 0xff) { -+ ret = -EINVAL; -+ goto leave; -+ } -+ } -+ } -+ -+ chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); -+ chip->cmdfunc(mtd, 0x38, -1, -1); -+ chip->select_chip(mtd, -1); -+ -+ if (!ret) { -+ hynix = kzalloc(sizeof(*hynix), GFP_KERNEL); -+ if (!hynix) { -+ ret = -ENOMEM; -+ goto leave; -+ } -+ -+ hynix->read_retry.regs = h27ucg8t2a_read_retry_regs; -+ memcpy(hynix->read_retry.values, buf, 64); -+ chip->manuf_priv = hynix; -+ chip->setup_read_retry = nand_setup_read_retry_hynix; -+ chip->read_retries = 8; -+ chip->manuf_cleanup = h27ucg8t2a_cleanup; -+ } -+ -+leave: -+ kfree(buf); -+ -+ return ret; -+} -+ -+struct hynix_nand_initializer { -+ u8 id[6]; -+ int (*init)(struct mtd_info *mtd, const uint8_t *id); -+}; -+ -+struct hynix_nand_initializer initializers[] = { -+ { -+ .id = {NAND_MFR_HYNIX, 0xde, 0x94, 0xda, 0x74, 0xc4}, -+ .init = h27ucg8t2a_init, -+ }, -+}; -+ -+int hynix_nand_init(struct mtd_info *mtd, const uint8_t *id) -+{ -+ int i; -+ -+ for (i = 0; i < ARRAY_SIZE(initializers); i++) { -+ struct hynix_nand_initializer *initializer = &initializers[i]; -+ if (memcmp(id, initializer->id, sizeof(initializer->id))) -+ continue; -+ -+ return initializer->init(mtd, id); -+ } -+ -+ return 0; -+} -+EXPORT_SYMBOL(hynix_nand_init); -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Boris BREZILLON <b.brezillon.dev@gmail.com>"); -+MODULE_DESCRIPTION("Hynix NAND specific code"); ---- a/drivers/mtd/nand/nand_ids.c -+++ b/drivers/mtd/nand/nand_ids.c -@@ -163,6 +163,7 @@ struct nand_flash_dev nand_flash_ids[] = - {NULL} - }; - -+ - /* Manufacturer IDs */ - struct nand_manufacturers nand_manuf_ids[] = { - {NAND_MFR_TOSHIBA, "Toshiba"}, -@@ -171,7 +172,7 @@ struct nand_manufacturers nand_manuf_ids - {NAND_MFR_NATIONAL, "National"}, - {NAND_MFR_RENESAS, "Renesas"}, - {NAND_MFR_STMICRO, "ST Micro"}, -- {NAND_MFR_HYNIX, "Hynix"}, -+ {NAND_MFR_HYNIX, "Hynix", hynix_nand_init}, - {NAND_MFR_MICRON, "Micron"}, - {NAND_MFR_AMD, "AMD/Spansion"}, - {NAND_MFR_MACRONIX, "Macronix"}, ---- a/include/linux/mtd/nand.h -+++ b/include/linux/mtd/nand.h -@@ -959,6 +959,8 @@ struct nand_manufacturers { - extern struct nand_flash_dev nand_flash_ids[]; - extern struct nand_manufacturers nand_manuf_ids[]; - -+int hynix_nand_init(struct mtd_info *mtd, const uint8_t *id); -+ - extern int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd); - extern int nand_default_bbt(struct mtd_info *mtd); - extern int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs); |