diff options
Diffstat (limited to 'drivers/mtd/nand/tegra_nand.h')
| -rw-r--r-- | drivers/mtd/nand/tegra_nand.h | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/drivers/mtd/nand/tegra_nand.h b/drivers/mtd/nand/tegra_nand.h new file mode 100644 index 000000000..7e74be75f --- /dev/null +++ b/drivers/mtd/nand/tegra_nand.h @@ -0,0 +1,257 @@ +/* + * (C) Copyright 2011 NVIDIA Corporation <www.nvidia.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* register offset */ +#define COMMAND_0 0x00 +#define CMD_GO (1 << 31) +#define CMD_CLE (1 << 30) +#define CMD_ALE (1 << 29) +#define CMD_PIO (1 << 28) +#define CMD_TX (1 << 27) +#define CMD_RX (1 << 26) +#define CMD_SEC_CMD (1 << 25) +#define CMD_AFT_DAT_MASK (1 << 24) +#define CMD_AFT_DAT_DISABLE 0 +#define CMD_AFT_DAT_ENABLE (1 << 24) +#define CMD_TRANS_SIZE_SHIFT 20 +#define CMD_TRANS_SIZE_PAGE 8 +#define CMD_A_VALID (1 << 19) +#define CMD_B_VALID (1 << 18) +#define CMD_RD_STATUS_CHK (1 << 17) +#define CMD_R_BSY_CHK (1 << 16) +#define CMD_CE7 (1 << 15) +#define CMD_CE6 (1 << 14) +#define CMD_CE5 (1 << 13) +#define CMD_CE4 (1 << 12) +#define CMD_CE3 (1 << 11) +#define CMD_CE2 (1 << 10) +#define CMD_CE1 (1 << 9) +#define CMD_CE0 (1 << 8) +#define CMD_CLE_BYTE_SIZE_SHIFT 4 +enum { + CMD_CLE_BYTES1 = 0, + CMD_CLE_BYTES2, + CMD_CLE_BYTES3, + CMD_CLE_BYTES4, +}; +#define CMD_ALE_BYTE_SIZE_SHIFT 0 +enum { + CMD_ALE_BYTES1 = 0, + CMD_ALE_BYTES2, + CMD_ALE_BYTES3, + CMD_ALE_BYTES4, + CMD_ALE_BYTES5, + CMD_ALE_BYTES6, + CMD_ALE_BYTES7, + CMD_ALE_BYTES8 +}; + +#define STATUS_0 0x04 +#define STATUS_RBSY0 (1 << 8) + +#define ISR_0 0x08 +#define ISR_IS_CMD_DONE (1 << 5) +#define ISR_IS_ECC_ERR (1 << 4) + +#define IER_0 0x0C + +#define CFG_0 0x10 +#define CFG_HW_ECC_MASK (1 << 31) +#define CFG_HW_ECC_DISABLE 0 +#define CFG_HW_ECC_ENABLE (1 << 31) +#define CFG_HW_ECC_SEL_MASK (1 << 30) +#define CFG_HW_ECC_SEL_HAMMING 0 +#define CFG_HW_ECC_SEL_RS (1 << 30) +#define CFG_HW_ECC_CORRECTION_MASK (1 << 29) +#define CFG_HW_ECC_CORRECTION_DISABLE 0 +#define CFG_HW_ECC_CORRECTION_ENABLE (1 << 29) +#define CFG_PIPELINE_EN_MASK (1 << 28) +#define CFG_PIPELINE_EN_DISABLE 0 +#define CFG_PIPELINE_EN_ENABLE (1 << 28) +#define CFG_ECC_EN_TAG_MASK (1 << 27) +#define CFG_ECC_EN_TAG_DISABLE 0 +#define CFG_ECC_EN_TAG_ENABLE (1 << 27) +#define CFG_TVALUE_MASK (3 << 24) +enum { + CFG_TVAL4 = 0 << 24, + CFG_TVAL6 = 1 << 24, + CFG_TVAL8 = 2 << 24 +}; +#define CFG_SKIP_SPARE_MASK (1 << 23) +#define CFG_SKIP_SPARE_DISABLE 0 +#define CFG_SKIP_SPARE_ENABLE (1 << 23) +#define CFG_COM_BSY_MASK (1 << 22) +#define CFG_COM_BSY_DISABLE 0 +#define CFG_COM_BSY_ENABLE (1 << 22) +#define CFG_BUS_WIDTH_MASK (1 << 21) +#define CFG_BUS_WIDTH_8BIT 0 +#define CFG_BUS_WIDTH_16BIT (1 << 21) +#define CFG_LPDDR1_MODE_MASK (1 << 20) +#define CFG_LPDDR1_MODE_DISABLE 0 +#define CFG_LPDDR1_MODE_ENABLE (1 << 20) +#define CFG_EDO_MODE_MASK (1 << 19) +#define CFG_EDO_MODE_DISABLE 0 +#define CFG_EDO_MODE_ENABLE (1 << 19) +#define CFG_PAGE_SIZE_SEL_MASK (7 << 16) +enum { + CFG_PAGE_SIZE_256 = 0 << 16, + CFG_PAGE_SIZE_512 = 1 << 16, + CFG_PAGE_SIZE_1024 = 2 << 16, + CFG_PAGE_SIZE_2048 = 3 << 16, + CFG_PAGE_SIZE_4096 = 4 << 16 +}; +#define CFG_SKIP_SPARE_SEL_MASK (3 << 14) +enum { + CFG_SKIP_SPARE_SEL_4 = 0 << 14, + CFG_SKIP_SPARE_SEL_8 = 1 << 14, + CFG_SKIP_SPARE_SEL_12 = 2 << 14, + CFG_SKIP_SPARE_SEL_16 = 3 << 14 +}; +#define CFG_TAG_BYTE_SIZE_MASK 0x1FF + +#define TIMING_0 0x14 +#define TIMING_TRP_RESP_CNT_SHIFT 28 +#define TIMING_TRP_RESP_CNT_MASK (0xf << TIMING_TRP_RESP_CNT_SHIFT) +#define TIMING_TWB_CNT_SHIFT 24 +#define TIMING_TWB_CNT_MASK (0xf << TIMING_TWB_CNT_SHIFT) +#define TIMING_TCR_TAR_TRR_CNT_SHIFT 20 +#define TIMING_TCR_TAR_TRR_CNT_MASK (0xf << TIMING_TCR_TAR_TRR_CNT_SHIFT) +#define TIMING_TWHR_CNT_SHIFT 16 +#define TIMING_TWHR_CNT_MASK (0xf << TIMING_TWHR_CNT_SHIFT) +#define TIMING_TCS_CNT_SHIFT 14 +#define TIMING_TCS_CNT_MASK (3 << TIMING_TCS_CNT_SHIFT) +#define TIMING_TWH_CNT_SHIFT 12 +#define TIMING_TWH_CNT_MASK (3 << TIMING_TWH_CNT_SHIFT) +#define TIMING_TWP_CNT_SHIFT 8 +#define TIMING_TWP_CNT_MASK (0xf << TIMING_TWP_CNT_SHIFT) +#define TIMING_TRH_CNT_SHIFT 4 +#define TIMING_TRH_CNT_MASK (3 << TIMING_TRH_CNT_SHIFT) +#define TIMING_TRP_CNT_SHIFT 0 +#define TIMING_TRP_CNT_MASK (0xf << TIMING_TRP_CNT_SHIFT) + +#define RESP_0 0x18 + +#define TIMING2_0 0x1C +#define TIMING2_TADL_CNT_SHIFT 0 +#define TIMING2_TADL_CNT_MASK (0xf << TIMING2_TADL_CNT_SHIFT) + +#define CMD_REG1_0 0x20 +#define CMD_REG2_0 0x24 +#define ADDR_REG1_0 0x28 +#define ADDR_REG2_0 0x2C + +#define DMA_MST_CTRL_0 0x30 +#define DMA_MST_CTRL_GO_MASK (1 << 31) +#define DMA_MST_CTRL_GO_DISABLE 0 +#define DMA_MST_CTRL_GO_ENABLE (1 << 31) +#define DMA_MST_CTRL_DIR_MASK (1 << 30) +#define DMA_MST_CTRL_DIR_READ 0 +#define DMA_MST_CTRL_DIR_WRITE (1 << 30) +#define DMA_MST_CTRL_PERF_EN_MASK (1 << 29) +#define DMA_MST_CTRL_PERF_EN_DISABLE 0 +#define DMA_MST_CTRL_PERF_EN_ENABLE (1 << 29) +#define DMA_MST_CTRL_REUSE_BUFFER_MASK (1 << 27) +#define DMA_MST_CTRL_REUSE_BUFFER_DISABLE 0 +#define DMA_MST_CTRL_REUSE_BUFFER_ENABLE (1 << 27) +#define DMA_MST_CTRL_BURST_SIZE_SHIFT 24 +#define DMA_MST_CTRL_BURST_SIZE_MASK (7 << DMA_MST_CTRL_BURST_SIZE_SHIFT) +enum { + DMA_MST_CTRL_BURST_1WORDS = 2 << DMA_MST_CTRL_BURST_SIZE_SHIFT, + DMA_MST_CTRL_BURST_4WORDS = 3 << DMA_MST_CTRL_BURST_SIZE_SHIFT, + DMA_MST_CTRL_BURST_8WORDS = 4 << DMA_MST_CTRL_BURST_SIZE_SHIFT, + DMA_MST_CTRL_BURST_16WORDS = 5 << DMA_MST_CTRL_BURST_SIZE_SHIFT +}; +#define DMA_MST_CTRL_IS_DMA_DONE (1 << 20) +#define DMA_MST_CTRL_EN_A_MASK (1 << 2) +#define DMA_MST_CTRL_EN_A_DISABLE 0 +#define DMA_MST_CTRL_EN_A_ENABLE (1 << 2) +#define DMA_MST_CTRL_EN_B_MASK (1 << 1) +#define DMA_MST_CTRL_EN_B_DISABLE 0 +#define DMA_MST_CTRL_EN_B_ENABLE (1 << 1) + +#define DMA_CFG_A_0 0x34 +#define DMA_CFG_B_0 0x38 +#define FIFO_CTRL_0 0x3C +#define DATA_BLOCK_PTR_0 0x40 +#define TAG_PTR_0 0x44 +#define ECC_PTR_0 0x48 + +#define DEC_STATUS_0 0x4C +#define DEC_STATUS_A_ECC_FAIL (1 << 1) +#define DEC_STATUS_B_ECC_FAIL (1 << 0) + +#define BCH_CONFIG_0 0xCC +#define BCH_CONFIG_BCH_TVALUE_SHIFT 4 +#define BCH_CONFIG_BCH_TVALUE_MASK (3 << BCH_CONFIG_BCH_TVALUE_SHIFT) +enum { + BCH_CONFIG_BCH_TVAL4 = 0 << BCH_CONFIG_BCH_TVALUE_SHIFT, + BCH_CONFIG_BCH_TVAL8 = 1 << BCH_CONFIG_BCH_TVALUE_SHIFT, + BCH_CONFIG_BCH_TVAL14 = 2 << BCH_CONFIG_BCH_TVALUE_SHIFT, + BCH_CONFIG_BCH_TVAL16 = 3 << BCH_CONFIG_BCH_TVALUE_SHIFT +}; +#define BCH_CONFIG_BCH_ECC_MASK (1 << 0) +#define BCH_CONFIG_BCH_ECC_DISABLE 0 +#define BCH_CONFIG_BCH_ECC_ENABLE (1 << 0) + +#define BCH_DEC_RESULT_0 0xD0 +#define BCH_DEC_RESULT_CORRFAIL_ERR_MASK (1 << 8) +#define BCH_DEC_RESULT_PAGE_COUNT_MASK 0xFF + +#define BCH_DEC_STATUS_BUF_0 0xD4 +#define BCH_DEC_STATUS_FAIL_SEC_FLAG_MASK 0xFF000000 +#define BCH_DEC_STATUS_CORR_SEC_FLAG_MASK 0x00FF0000 +#define BCH_DEC_STATUS_FAIL_TAG_MASK (1 << 14) +#define BCH_DEC_STATUS_CORR_TAG_MASK (1 << 13) +#define BCH_DEC_STATUS_MAX_CORR_CNT_MASK (0x1f << 8) +#define BCH_DEC_STATUS_PAGE_NUMBER_MASK 0xFF + +#define LP_OPTIONS (NAND_NO_READRDY | NAND_NO_AUTOINCR) + +struct nand_ctlr { + u32 command; /* offset 00h */ + u32 status; /* offset 04h */ + u32 isr; /* offset 08h */ + u32 ier; /* offset 0Ch */ + u32 config; /* offset 10h */ + u32 timing; /* offset 14h */ + u32 resp; /* offset 18h */ + u32 timing2; /* offset 1Ch */ + u32 cmd_reg1; /* offset 20h */ + u32 cmd_reg2; /* offset 24h */ + u32 addr_reg1; /* offset 28h */ + u32 addr_reg2; /* offset 2Ch */ + u32 dma_mst_ctrl; /* offset 30h */ + u32 dma_cfg_a; /* offset 34h */ + u32 dma_cfg_b; /* offset 38h */ + u32 fifo_ctrl; /* offset 3Ch */ + u32 data_block_ptr; /* offset 40h */ + u32 tag_ptr; /* offset 44h */ + u32 resv1; /* offset 48h */ + u32 dec_status; /* offset 4Ch */ + u32 hwstatus_cmd; /* offset 50h */ + u32 hwstatus_mask; /* offset 54h */ + u32 resv2[29]; + u32 bch_config; /* offset CCh */ + u32 bch_dec_result; /* offset D0h */ + u32 bch_dec_status_buf; + /* offset D4h */ +}; |