NAND: add support for reading ONFI page table

[people/ms/u-boot.git] / include / linux / mtd / nand.h

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index d299929ab8058bfc81233117e97f1452da5fd2c4..987a2ec85d1a36e40559f300cf153077a9ef3fa9 100644 (file)
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -217,6 +217,71 @@ typedef enum {
 /* Keep gcc happy */
 struct nand_chip;
 
+struct nand_onfi_params {
+       /* rev info and features block */
+       /* 'O' 'N' 'F' 'I'  */
+       u8 sig[4];
+       __le16 revision;
+       __le16 features;
+       __le16 opt_cmd;
+       u8 reserved[22];
+
+       /* manufacturer information block */
+       char manufacturer[12];
+       char model[20];
+       u8 jedec_id;
+       __le16 date_code;
+       u8 reserved2[13];
+
+       /* memory organization block */
+       __le32 byte_per_page;
+       __le16 spare_bytes_per_page;
+       __le32 data_bytes_per_ppage;
+       __le16 spare_bytes_per_ppage;
+       __le32 pages_per_block;
+       __le32 blocks_per_lun;
+       u8 lun_count;
+       u8 addr_cycles;
+       u8 bits_per_cell;
+       __le16 bb_per_lun;
+       __le16 block_endurance;
+       u8 guaranteed_good_blocks;
+       __le16 guaranteed_block_endurance;
+       u8 programs_per_page;
+       u8 ppage_attr;
+       u8 ecc_bits;
+       u8 interleaved_bits;
+       u8 interleaved_ops;
+       u8 reserved3[13];
+
+       /* electrical parameter block */
+       u8 io_pin_capacitance_max;
+       __le16 async_timing_mode;
+       __le16 program_cache_timing_mode;
+       __le16 t_prog;
+       __le16 t_bers;
+       __le16 t_r;
+       __le16 t_ccs;
+       __le16 src_sync_timing_mode;
+       __le16 src_ssync_features;
+       __le16 clk_pin_capacitance_typ;
+       __le16 io_pin_capacitance_typ;
+       __le16 input_pin_capacitance_typ;
+       u8 input_pin_capacitance_max;
+       u8 driver_strenght_support;
+       __le16 t_int_r;
+       __le16 t_ald;
+       u8 reserved4[7];
+
+       /* vendor */
+       u8 reserved5[90];
+
+       __le16 crc;
+} __attribute__((packed));
+
+#define ONFI_CRC_BASE  0x4F4E
+
+
 /**
  * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independent devices
  * @lock:               protection lock
@@ -406,6 +471,10 @@ struct nand_chip {
        int             subpagesize;
        uint8_t         cellinfo;
        int             badblockpos;
+       int             onfi_version;
+#ifdef CONFIG_SYS_NAND_ONFI_DETECTION
+       struct nand_onfi_params onfi_params;
+#endif
 
        int             state;