mtd: denali: Remove device_info_tag structure
Hi David, I sent 4 patches using my intel email account. If there is any problem about the format of these patches, I will resend them after I arrived at home by using my gmail account, and I will keep on using gmail account to send patches. Thanks. >From 242e3bf5e17f54b1df8cf285154a7c7a61ff62e9 Mon Sep 17 00:00:00 2001 From: Chuanxiao Dong <chuanxiao.dong@intel.com> Date: Fri, 6 Aug 2010 15:29:41 +0800 Subject: [PATCH 1/4] mtd: denali: Remove device_info_tag structure. Most of the variables in this structure are useless, so just remove this structure and relevant codes. Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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0af18d27c3
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66406524e5
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@ -364,43 +364,12 @@ static void set_ecc_config(struct denali_nand_info *denali)
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denali_write32(8, denali->flash_reg + ECC_CORRECTION);
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#endif
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if ((ioread32(denali->flash_reg + ECC_CORRECTION) &
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ECC_CORRECTION__VALUE) == 1) {
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denali->dev_info.wECCBytesPerSector = 4;
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denali->dev_info.wECCBytesPerSector *=
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denali->dev_info.wDevicesConnected;
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denali->dev_info.wNumPageSpareFlag =
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denali->dev_info.wPageSpareSize -
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denali->dev_info.wPageDataSize /
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(ECC_SECTOR_SIZE * denali->dev_info.wDevicesConnected) *
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denali->dev_info.wECCBytesPerSector
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- denali->dev_info.wSpareSkipBytes;
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} else {
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denali->dev_info.wECCBytesPerSector =
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(ioread32(denali->flash_reg + ECC_CORRECTION) &
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ECC_CORRECTION__VALUE) * 13 / 8;
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if ((denali->dev_info.wECCBytesPerSector) % 2 == 0)
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denali->dev_info.wECCBytesPerSector += 2;
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else
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denali->dev_info.wECCBytesPerSector += 1;
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denali->dev_info.wECCBytesPerSector *=
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denali->dev_info.wDevicesConnected;
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denali->dev_info.wNumPageSpareFlag =
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denali->dev_info.wPageSpareSize -
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denali->dev_info.wPageDataSize /
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(ECC_SECTOR_SIZE * denali->dev_info.wDevicesConnected) *
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denali->dev_info.wECCBytesPerSector
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- denali->dev_info.wSpareSkipBytes;
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}
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}
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/* queries the NAND device to see what ONFI modes it supports. */
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static uint16_t get_onfi_nand_para(struct denali_nand_info *denali)
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{
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int i;
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uint16_t blks_lun_l, blks_lun_h, n_of_luns;
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uint32_t blockperlun, id;
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denali_write32(DEVICE_RESET__BANK0, denali->flash_reg + DEVICE_RESET);
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@ -458,26 +427,6 @@ static uint16_t get_onfi_nand_para(struct denali_nand_info *denali)
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denali_write32(INTR_STATUS3__TIME_OUT,
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denali->flash_reg + INTR_STATUS3);
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denali->dev_info.wONFIDevFeatures =
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ioread32(denali->flash_reg + ONFI_DEVICE_FEATURES);
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denali->dev_info.wONFIOptCommands =
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ioread32(denali->flash_reg + ONFI_OPTIONAL_COMMANDS);
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denali->dev_info.wONFITimingMode =
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ioread32(denali->flash_reg + ONFI_TIMING_MODE);
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denali->dev_info.wONFIPgmCacheTimingMode =
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ioread32(denali->flash_reg + ONFI_PGM_CACHE_TIMING_MODE);
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n_of_luns = ioread32(denali->flash_reg + ONFI_DEVICE_NO_OF_LUNS) &
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ONFI_DEVICE_NO_OF_LUNS__NO_OF_LUNS;
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blks_lun_l = ioread32(denali->flash_reg +
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ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L);
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blks_lun_h = ioread32(denali->flash_reg +
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ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U);
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blockperlun = (blks_lun_h << 16) | blks_lun_l;
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denali->dev_info.wTotalBlocks = n_of_luns * blockperlun;
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if (!(ioread32(denali->flash_reg + ONFI_TIMING_MODE) &
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ONFI_TIMING_MODE__VALUE))
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return FAIL;
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@ -490,16 +439,6 @@ static uint16_t get_onfi_nand_para(struct denali_nand_info *denali)
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nand_onfi_timing_set(denali, i);
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index_addr(denali, MODE_11 | 0, 0x90);
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index_addr(denali, MODE_11 | 1, 0);
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for (i = 0; i < 3; i++)
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index_addr_read_data(denali, MODE_11 | 2, &id);
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nand_dbg_print(NAND_DBG_DEBUG, "3rd ID: 0x%x\n", id);
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denali->dev_info.MLCDevice = id & 0x0C;
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/* By now, all the ONFI devices we know support the page cache */
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/* rw feature. So here we enable the pipeline_rw_ahead feature */
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/* iowrite32(1, denali->flash_reg + CACHE_WRITE_ENABLE); */
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@ -510,9 +449,6 @@ static uint16_t get_onfi_nand_para(struct denali_nand_info *denali)
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static void get_samsung_nand_para(struct denali_nand_info *denali)
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{
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uint8_t no_of_planes;
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uint32_t blk_size;
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uint64_t plane_size, capacity;
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uint32_t id_bytes[5];
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int i;
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@ -537,15 +473,6 @@ static void get_samsung_nand_para(struct denali_nand_info *denali)
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denali_write32(2, denali->flash_reg + RDWR_EN_HI_CNT);
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denali_write32(2, denali->flash_reg + CS_SETUP_CNT);
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}
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no_of_planes = 1 << ((id_bytes[4] & 0x0c) >> 2);
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plane_size = (uint64_t)64 << ((id_bytes[4] & 0x70) >> 4);
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blk_size = 64 << ((ioread32(denali->flash_reg + DEVICE_PARAM_1) &
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0x30) >> 4);
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capacity = (uint64_t)128 * plane_size * no_of_planes;
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do_div(capacity, blk_size);
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denali->dev_info.wTotalBlocks = capacity;
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}
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static void get_toshiba_nand_para(struct denali_nand_info *denali)
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@ -594,13 +521,12 @@ static void get_hynix_nand_para(struct denali_nand_info *denali,
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#elif SUPPORT_8BITECC
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denali_write32(8, denali->flash_reg + ECC_CORRECTION);
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#endif
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denali->dev_info.MLCDevice = 1;
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break;
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default:
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nand_dbg_print(NAND_DBG_WARN,
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"Spectra: Unknown Hynix NAND (Device ID: 0x%x)."
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"Will use default parameter values instead.\n",
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denali->dev_info.wDeviceID);
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device_id);
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}
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}
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@ -650,130 +576,31 @@ static void find_valid_banks(struct denali_nand_info *denali)
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static void detect_partition_feature(struct denali_nand_info *denali)
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{
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/* For MRST platform, denali->fwblks represent the
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* number of blocks firmware is taken,
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* FW is in protect partition and MTD driver has no
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* permission to access it. So let driver know how many
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* blocks it can't touch.
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* */
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if (ioread32(denali->flash_reg + FEATURES) & FEATURES__PARTITION) {
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if ((ioread32(denali->flash_reg + PERM_SRC_ID_1) &
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PERM_SRC_ID_1__SRCID) == SPECTRA_PARTITION_ID) {
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denali->dev_info.wSpectraStartBlock =
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denali->fwblks =
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((ioread32(denali->flash_reg + MIN_MAX_BANK_1) &
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MIN_MAX_BANK_1__MIN_VALUE) *
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denali->dev_info.wTotalBlocks)
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denali->blksperchip)
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+
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(ioread32(denali->flash_reg + MIN_BLK_ADDR_1) &
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MIN_BLK_ADDR_1__VALUE);
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denali->dev_info.wSpectraEndBlock =
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(((ioread32(denali->flash_reg + MIN_MAX_BANK_1) &
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MIN_MAX_BANK_1__MAX_VALUE) >> 2) *
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denali->dev_info.wTotalBlocks)
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+
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(ioread32(denali->flash_reg + MAX_BLK_ADDR_1) &
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MAX_BLK_ADDR_1__VALUE);
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denali->dev_info.wTotalBlocks *=
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denali->total_used_banks;
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if (denali->dev_info.wSpectraEndBlock >=
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denali->dev_info.wTotalBlocks) {
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denali->dev_info.wSpectraEndBlock =
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denali->dev_info.wTotalBlocks - 1;
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}
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denali->dev_info.wDataBlockNum =
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denali->dev_info.wSpectraEndBlock -
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denali->dev_info.wSpectraStartBlock + 1;
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} else {
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denali->dev_info.wTotalBlocks *=
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denali->total_used_banks;
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denali->dev_info.wSpectraStartBlock =
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SPECTRA_START_BLOCK;
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denali->dev_info.wSpectraEndBlock =
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denali->dev_info.wTotalBlocks - 1;
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denali->dev_info.wDataBlockNum =
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denali->dev_info.wSpectraEndBlock -
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denali->dev_info.wSpectraStartBlock + 1;
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}
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} else {
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denali->dev_info.wTotalBlocks *= denali->total_used_banks;
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denali->dev_info.wSpectraStartBlock = SPECTRA_START_BLOCK;
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denali->dev_info.wSpectraEndBlock =
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denali->dev_info.wTotalBlocks - 1;
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denali->dev_info.wDataBlockNum =
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denali->dev_info.wSpectraEndBlock -
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denali->dev_info.wSpectraStartBlock + 1;
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}
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}
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static void dump_device_info(struct denali_nand_info *denali)
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{
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nand_dbg_print(NAND_DBG_DEBUG, "denali->dev_info:\n");
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nand_dbg_print(NAND_DBG_DEBUG, "DeviceMaker: 0x%x\n",
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denali->dev_info.wDeviceMaker);
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nand_dbg_print(NAND_DBG_DEBUG, "DeviceID: 0x%x\n",
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denali->dev_info.wDeviceID);
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nand_dbg_print(NAND_DBG_DEBUG, "DeviceType: 0x%x\n",
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denali->dev_info.wDeviceType);
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nand_dbg_print(NAND_DBG_DEBUG, "SpectraStartBlock: %d\n",
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denali->dev_info.wSpectraStartBlock);
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nand_dbg_print(NAND_DBG_DEBUG, "SpectraEndBlock: %d\n",
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denali->dev_info.wSpectraEndBlock);
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nand_dbg_print(NAND_DBG_DEBUG, "TotalBlocks: %d\n",
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denali->dev_info.wTotalBlocks);
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nand_dbg_print(NAND_DBG_DEBUG, "PagesPerBlock: %d\n",
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denali->dev_info.wPagesPerBlock);
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nand_dbg_print(NAND_DBG_DEBUG, "PageSize: %d\n",
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denali->dev_info.wPageSize);
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nand_dbg_print(NAND_DBG_DEBUG, "PageDataSize: %d\n",
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denali->dev_info.wPageDataSize);
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nand_dbg_print(NAND_DBG_DEBUG, "PageSpareSize: %d\n",
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denali->dev_info.wPageSpareSize);
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nand_dbg_print(NAND_DBG_DEBUG, "NumPageSpareFlag: %d\n",
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denali->dev_info.wNumPageSpareFlag);
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nand_dbg_print(NAND_DBG_DEBUG, "ECCBytesPerSector: %d\n",
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denali->dev_info.wECCBytesPerSector);
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nand_dbg_print(NAND_DBG_DEBUG, "BlockSize: %d\n",
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denali->dev_info.wBlockSize);
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nand_dbg_print(NAND_DBG_DEBUG, "BlockDataSize: %d\n",
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denali->dev_info.wBlockDataSize);
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nand_dbg_print(NAND_DBG_DEBUG, "DataBlockNum: %d\n",
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denali->dev_info.wDataBlockNum);
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nand_dbg_print(NAND_DBG_DEBUG, "PlaneNum: %d\n",
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denali->dev_info.bPlaneNum);
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nand_dbg_print(NAND_DBG_DEBUG, "DeviceMainAreaSize: %d\n",
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denali->dev_info.wDeviceMainAreaSize);
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nand_dbg_print(NAND_DBG_DEBUG, "DeviceSpareAreaSize: %d\n",
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denali->dev_info.wDeviceSpareAreaSize);
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nand_dbg_print(NAND_DBG_DEBUG, "DevicesConnected: %d\n",
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denali->dev_info.wDevicesConnected);
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nand_dbg_print(NAND_DBG_DEBUG, "DeviceWidth: %d\n",
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denali->dev_info.wDeviceWidth);
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nand_dbg_print(NAND_DBG_DEBUG, "HWRevision: 0x%x\n",
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denali->dev_info.wHWRevision);
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nand_dbg_print(NAND_DBG_DEBUG, "HWFeatures: 0x%x\n",
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denali->dev_info.wHWFeatures);
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nand_dbg_print(NAND_DBG_DEBUG, "ONFIDevFeatures: 0x%x\n",
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denali->dev_info.wONFIDevFeatures);
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nand_dbg_print(NAND_DBG_DEBUG, "ONFIOptCommands: 0x%x\n",
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denali->dev_info.wONFIOptCommands);
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nand_dbg_print(NAND_DBG_DEBUG, "ONFITimingMode: 0x%x\n",
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denali->dev_info.wONFITimingMode);
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nand_dbg_print(NAND_DBG_DEBUG, "ONFIPgmCacheTimingMode: 0x%x\n",
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denali->dev_info.wONFIPgmCacheTimingMode);
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nand_dbg_print(NAND_DBG_DEBUG, "MLCDevice: %s\n",
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denali->dev_info.MLCDevice ? "Yes" : "No");
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nand_dbg_print(NAND_DBG_DEBUG, "SpareSkipBytes: %d\n",
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denali->dev_info.wSpareSkipBytes);
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nand_dbg_print(NAND_DBG_DEBUG, "BitsInPageNumber: %d\n",
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denali->dev_info.nBitsInPageNumber);
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nand_dbg_print(NAND_DBG_DEBUG, "BitsInPageDataSize: %d\n",
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denali->dev_info.nBitsInPageDataSize);
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nand_dbg_print(NAND_DBG_DEBUG, "BitsInBlockDataSize: %d\n",
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denali->dev_info.nBitsInBlockDataSize);
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} else
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denali->fwblks = SPECTRA_START_BLOCK;
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} else
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denali->fwblks = SPECTRA_START_BLOCK;
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}
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static uint16_t denali_nand_timing_set(struct denali_nand_info *denali)
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{
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uint16_t status = PASS;
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uint8_t no_of_planes;
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uint32_t id_bytes[5], addr;
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uint8_t i, maf_id, device_id;
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@ -803,8 +630,6 @@ static uint16_t denali_nand_timing_set(struct denali_nand_info *denali)
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get_toshiba_nand_para(denali);
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} else if (maf_id == 0xAD) { /* Hynix NAND */
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get_hynix_nand_para(denali, device_id);
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} else {
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denali->dev_info.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS;
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}
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nand_dbg_print(NAND_DBG_DEBUG, "Dump timing register values:"
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@ -819,79 +644,12 @@ static uint16_t denali_nand_timing_set(struct denali_nand_info *denali)
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ioread32(denali->flash_reg + RDWR_EN_HI_CNT),
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ioread32(denali->flash_reg + CS_SETUP_CNT));
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denali->dev_info.wHWRevision = ioread32(denali->flash_reg + REVISION);
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denali->dev_info.wHWFeatures = ioread32(denali->flash_reg + FEATURES);
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denali->dev_info.wDeviceMainAreaSize =
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ioread32(denali->flash_reg + DEVICE_MAIN_AREA_SIZE);
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denali->dev_info.wDeviceSpareAreaSize =
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ioread32(denali->flash_reg + DEVICE_SPARE_AREA_SIZE);
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denali->dev_info.wPageDataSize =
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ioread32(denali->flash_reg + LOGICAL_PAGE_DATA_SIZE);
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/* Note: When using the Micon 4K NAND device, the controller will report
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* Page Spare Size as 216 bytes. But Micron's Spec say it's 218 bytes.
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* And if force set it to 218 bytes, the controller can not work
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* correctly. So just let it be. But keep in mind that this bug may
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* cause
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* other problems in future. - Yunpeng 2008-10-10
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*/
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denali->dev_info.wPageSpareSize =
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ioread32(denali->flash_reg + LOGICAL_PAGE_SPARE_SIZE);
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denali->dev_info.wPagesPerBlock =
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ioread32(denali->flash_reg + PAGES_PER_BLOCK);
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denali->dev_info.wPageSize =
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denali->dev_info.wPageDataSize + denali->dev_info.wPageSpareSize;
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denali->dev_info.wBlockSize =
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denali->dev_info.wPageSize * denali->dev_info.wPagesPerBlock;
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denali->dev_info.wBlockDataSize =
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denali->dev_info.wPagesPerBlock * denali->dev_info.wPageDataSize;
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denali->dev_info.wDeviceWidth =
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ioread32(denali->flash_reg + DEVICE_WIDTH);
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denali->dev_info.wDeviceType =
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((ioread32(denali->flash_reg + DEVICE_WIDTH) > 0) ? 16 : 8);
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denali->dev_info.wDevicesConnected =
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ioread32(denali->flash_reg + DEVICES_CONNECTED);
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denali->dev_info.wSpareSkipBytes =
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ioread32(denali->flash_reg + SPARE_AREA_SKIP_BYTES) *
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denali->dev_info.wDevicesConnected;
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denali->dev_info.nBitsInPageNumber =
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ilog2(denali->dev_info.wPagesPerBlock);
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denali->dev_info.nBitsInPageDataSize =
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ilog2(denali->dev_info.wPageDataSize);
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denali->dev_info.nBitsInBlockDataSize =
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ilog2(denali->dev_info.wBlockDataSize);
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set_ecc_config(denali);
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no_of_planes = ioread32(denali->flash_reg + NUMBER_OF_PLANES) &
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NUMBER_OF_PLANES__VALUE;
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switch (no_of_planes) {
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case 0:
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case 1:
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case 3:
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case 7:
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denali->dev_info.bPlaneNum = no_of_planes + 1;
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break;
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default:
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status = FAIL;
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break;
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}
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find_valid_banks(denali);
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detect_partition_feature(denali);
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dump_device_info(denali);
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||||
|
||||
/* If the user specified to override the default timings
|
||||
* with a specific ONFI mode, we apply those changes here.
|
||||
*/
|
||||
|
@ -1963,16 +1721,6 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
|
|||
|
||||
denali_nand_timing_set(denali);
|
||||
|
||||
/* MTD supported page sizes vary by kernel. We validate our
|
||||
* kernel supports the device here.
|
||||
*/
|
||||
if (denali->dev_info.wPageSize > NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE) {
|
||||
ret = -ENODEV;
|
||||
printk(KERN_ERR "Spectra: device size not supported by this "
|
||||
"version of MTD.");
|
||||
goto failed_nand;
|
||||
}
|
||||
|
||||
nand_dbg_print(NAND_DBG_DEBUG, "Dump timing register values:"
|
||||
"acc_clks: %d, re_2_we: %d, we_2_re: %d,"
|
||||
"addr_2_data: %d, rdwr_en_lo_cnt: %d, "
|
||||
|
@ -2003,6 +1751,16 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
|
|||
goto failed_nand;
|
||||
}
|
||||
|
||||
/* MTD supported page sizes vary by kernel. We validate our
|
||||
* kernel supports the device here.
|
||||
*/
|
||||
if (denali->mtd.writesize > NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE) {
|
||||
ret = -ENODEV;
|
||||
printk(KERN_ERR "Spectra: device size not supported by this "
|
||||
"version of MTD.");
|
||||
goto failed_nand;
|
||||
}
|
||||
|
||||
/* second stage of the NAND scan
|
||||
* this stage requires information regarding ECC and
|
||||
* bad block management. */
|
||||
|
@ -2015,7 +1773,7 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
|
|||
denali->nand.options |= NAND_USE_FLASH_BBT | NAND_SKIP_BBTSCAN;
|
||||
denali->nand.ecc.mode = NAND_ECC_HW_SYNDROME;
|
||||
|
||||
if (denali->dev_info.MLCDevice) {
|
||||
if (denali->nand.cellinfo & 0xc) {
|
||||
denali->nand.ecc.layout = &nand_oob_mlc_14bit;
|
||||
denali->nand.ecc.bytes = ECC_BYTES_MLC;
|
||||
} else {/* SLC */
|
||||
|
@ -2023,6 +1781,15 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
|
|||
denali->nand.ecc.bytes = ECC_BYTES_SLC;
|
||||
}
|
||||
|
||||
/* Let driver know the total blocks number and
|
||||
* how many blocks contained by each nand chip.
|
||||
* blksperchip will help driver to know how many
|
||||
* blocks is taken by FW.
|
||||
* */
|
||||
denali->totalblks = denali->mtd.size >>
|
||||
denali->nand.phys_erase_shift;
|
||||
denali->blksperchip = denali->totalblks / denali->nand.numchips;
|
||||
|
||||
/* These functions are required by the NAND core framework, otherwise,
|
||||
* the NAND core will assert. However, we don't need them, so we'll stub
|
||||
* them out. */
|
||||
|
|
|
@ -620,44 +620,6 @@
|
|||
#define MIN_MAX_BANK_7__MIN_VALUE 0x0003
|
||||
#define MIN_MAX_BANK_7__MAX_VALUE 0x000c
|
||||
|
||||
/* flash.h */
|
||||
struct device_info_tag {
|
||||
uint16_t wDeviceMaker;
|
||||
uint16_t wDeviceID;
|
||||
uint8_t bDeviceParam0;
|
||||
uint8_t bDeviceParam1;
|
||||
uint8_t bDeviceParam2;
|
||||
uint32_t wDeviceType;
|
||||
uint32_t wSpectraStartBlock;
|
||||
uint32_t wSpectraEndBlock;
|
||||
uint32_t wTotalBlocks;
|
||||
uint16_t wPagesPerBlock;
|
||||
uint16_t wPageSize;
|
||||
uint16_t wPageDataSize;
|
||||
uint16_t wPageSpareSize;
|
||||
uint16_t wNumPageSpareFlag;
|
||||
uint16_t wECCBytesPerSector;
|
||||
uint32_t wBlockSize;
|
||||
uint32_t wBlockDataSize;
|
||||
uint32_t wDataBlockNum;
|
||||
uint8_t bPlaneNum;
|
||||
uint16_t wDeviceMainAreaSize;
|
||||
uint16_t wDeviceSpareAreaSize;
|
||||
uint16_t wDevicesConnected;
|
||||
uint16_t wDeviceWidth;
|
||||
uint16_t wHWRevision;
|
||||
uint16_t wHWFeatures;
|
||||
uint16_t wONFIDevFeatures;
|
||||
uint16_t wONFIOptCommands;
|
||||
uint16_t wONFITimingMode;
|
||||
uint16_t wONFIPgmCacheTimingMode;
|
||||
uint16_t MLCDevice;
|
||||
uint16_t wSpareSkipBytes;
|
||||
uint8_t nBitsInPageNumber;
|
||||
uint8_t nBitsInPageDataSize;
|
||||
uint8_t nBitsInBlockDataSize;
|
||||
};
|
||||
|
||||
/* ffsdefs.h */
|
||||
#define CLEAR 0 /*use this to clear a field instead of "fail"*/
|
||||
#define SET 1 /*use this to set a field instead of "pass"*/
|
||||
|
@ -784,7 +746,6 @@ struct nand_buf {
|
|||
struct denali_nand_info {
|
||||
struct mtd_info mtd;
|
||||
struct nand_chip nand;
|
||||
struct device_info_tag dev_info;
|
||||
int flash_bank; /* currently selected chip */
|
||||
int status;
|
||||
int platform;
|
||||
|
@ -802,6 +763,10 @@ struct denali_nand_info {
|
|||
uint32_t irq_status;
|
||||
int irq_debug_array[32];
|
||||
int idx;
|
||||
|
||||
uint32_t fwblks; /* represent how many blocks FW used */
|
||||
uint32_t totalblks;
|
||||
uint32_t blksperchip;
|
||||
};
|
||||
|
||||
#endif /*_LLD_NAND_*/
|
||||
|
|
Loading…
Reference in New Issue