diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0091-mtd-add-data-structures-for-Extended-Parameter-Page.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0091-mtd-add-data-structures-for-Extended-Parameter-Page.patch | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/target/linux/mvebu/patches-3.10/0091-mtd-add-data-structures-for-Extended-Parameter-Page.patch b/target/linux/mvebu/patches-3.10/0091-mtd-add-data-structures-for-Extended-Parameter-Page.patch deleted file mode 100644 index e772d09288..0000000000 --- a/target/linux/mvebu/patches-3.10/0091-mtd-add-data-structures-for-Extended-Parameter-Page.patch +++ /dev/null @@ -1,85 +0,0 @@ -From 50a7db84f71e7c4779596fb5f8efb579a5d29f97 Mon Sep 17 00:00:00 2001 -From: Huang Shijie <b32955@freescale.com> -Date: Fri, 17 May 2013 11:17:27 +0800 -Subject: [PATCH 091/203] mtd: add data structures for Extended Parameter Page - -Since the ONFI 2.1, the onfi spec adds the Extended Parameter Page -to store the ECC info. - -The onfi spec tells us that if the nand chip's recommended ECC codeword -size is not 512 bytes, then the @ecc_bits is 0xff. The host _SHOULD_ then -read the Extended ECC information that is part of the extended parameter -page to retrieve the ECC requirements for this device. - -This patch adds - [1] the neccessary fields for nand_onfi_params{}, - [2] and adds the onfi_ext_ecc_info{} for Extended ECC information, - [3] adds onfi_ext_section{} for extended sections, - [4] and adds onfi_ext_param_page{} for the Extended Parameter Page. - -Acked-by: Pekon Gupta <pekon@ti.com> -Signed-off-by: Huang Shijie <b32955@freescale.com> -Reviewed-and-tested-by: Brian Norris <computersforpeace@gmail.com> -[Brian: amended for checkpatch.pl] -Signed-off-by: Brian Norris <computersforpeace@gmail.com> - -Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> ---- - include/linux/mtd/nand.h | 39 ++++++++++++++++++++++++++++++++++++++- - 1 file changed, 38 insertions(+), 1 deletion(-) - ---- a/include/linux/mtd/nand.h -+++ b/include/linux/mtd/nand.h -@@ -224,7 +224,10 @@ struct nand_onfi_params { - __le16 revision; - __le16 features; - __le16 opt_cmd; -- u8 reserved[22]; -+ u8 reserved0[2]; -+ __le16 ext_param_page_length; /* since ONFI 2.1 */ -+ u8 num_of_param_pages; /* since ONFI 2.1 */ -+ u8 reserved1[17]; - - /* manufacturer information block */ - char manufacturer[12]; -@@ -281,6 +284,40 @@ struct nand_onfi_params { - - #define ONFI_CRC_BASE 0x4F4E - -+/* Extended ECC information Block Definition (since ONFI 2.1) */ -+struct onfi_ext_ecc_info { -+ u8 ecc_bits; -+ u8 codeword_size; -+ __le16 bb_per_lun; -+ __le16 block_endurance; -+ u8 reserved[2]; -+} __packed; -+ -+#define ONFI_SECTION_TYPE_0 0 /* Unused section. */ -+#define ONFI_SECTION_TYPE_1 1 /* for additional sections. */ -+#define ONFI_SECTION_TYPE_2 2 /* for ECC information. */ -+struct onfi_ext_section { -+ u8 type; -+ u8 length; -+} __packed; -+ -+#define ONFI_EXT_SECTION_MAX 8 -+ -+/* Extended Parameter Page Definition (since ONFI 2.1) */ -+struct onfi_ext_param_page { -+ __le16 crc; -+ u8 sig[4]; /* 'E' 'P' 'P' 'S' */ -+ u8 reserved0[10]; -+ struct onfi_ext_section sections[ONFI_EXT_SECTION_MAX]; -+ -+ /* -+ * The actual size of the Extended Parameter Page is in -+ * @ext_param_page_length of nand_onfi_params{}. -+ * The following are the variable length sections. -+ * So we do not add any fields below. Please see the ONFI spec. -+ */ -+} __packed; -+ - /** - * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independent devices - * @lock: protection lock |