diff options
Diffstat (limited to 'drivers/mtd/nand/raw/cortina_nand.h')
| -rw-r--r-- | drivers/mtd/nand/raw/cortina_nand.h | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/cortina_nand.h b/drivers/mtd/nand/raw/cortina_nand.h new file mode 100644 index 0000000000..1e3e3bfd05 --- /dev/null +++ b/drivers/mtd/nand/raw/cortina_nand.h @@ -0,0 +1,293 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2020 Cortina Access Inc.. + */ + +/* Cortina NAND definition */ +#define NAND_BASE_ADDR 0xE0000000 +#define BCH_GF_PARAM_M 14 +#define BCH_DATA_UNIT 1024 +#define FLASH_SHORT_DELAY 100 +#define FLASH_LONG_DELAY 1000 +#define FLASH_WIDTH 16 +#define BBT_PAGE_MASK 0xffffff3f +#define WRITE_SIZE_512 512 +#define WRITE_SIZE_2048 2048 +#define WRITE_SIZE_4096 4096 +#define WRITE_SIZE_8192 8192 +#define ECC_STRENGTH_8 8 +#define ECC_STRENGTH_16 16 +#define ECC_STRENGTH_24 24 +#define ECC_STRENGTH_40 40 +#define EMPTY_PAGE 0xff +#define ADDR1_MASK0 0x00ffffff +#define ADDR2_MASK0 0xff000000 +#define ADDR1_MASK1 0xffff +#define ADDR1_MASK2 0xff +#define OOB_MASK 0xff +#define EXT_ADDR_MASK 0x8000000 + +/* Status bits */ +#define NAND_STATUS_FAIL 0x01 +#define NAND_STATUS_FAIL_N1 0x02 +#define NAND_STATUS_TRUE_READY 0x20 +#define NAND_STATUS_READY 0x40 +#define NAND_STATUS_WP 0x80 + +/* Bit field in FLAS_TYPE */ +#define FLASH_PIN BIT(15) +#define FLASH_TYPE_512 0x4000 +#define FLASH_TYPE_2K 0x5000 +#define FLASH_TYPE_4K 0x6000 +#define FLASH_TYPE_8K 0x7000 +#define FLASH_SIZE_CONFIGURABLEOOB (0x0 << 9) +#define FLASH_SIZE_400OOB (0x1 << 9) +#define FLASH_SIZE_436OOB (0x2 << 9) +#define FLASH_SIZE_640OOB (0x3 << 9) + +/* Bit field in FLASH_STATUS */ +#define NFLASH_READY BIT(26) + +/* Bit field in FLASH_NF_ACCESS */ +#define NFLASH_ENABLE_ALTERNATIVE (0x0 << 15) +#define AUTO_RESET BIT(16) +#define DISABLE_AUTO_RESET (0x0 << 16) +#define NFLASH_REG_WIDTH_RESERVED (0x3 << 10) +#define NFLASH_REG_WIDTH_32 (0x2 << 10) +#define NFLASH_REG_WIDTH_16 (0x1 << 10) +#define NFLASH_REG_WIDTH_8 (0x0 << 10) + +/* Bit field in FLASH_NF_COUNT */ +#define REG_CMD_COUNT_EMPTY 0x3 +#define REG_CMD_COUNT_3TOGO 0x2 +#define REG_CMD_COUNT_2TOGO 0x1 +#define REG_CMD_COUNT_1TOGO 0x0 +#define REG_ADDR_COUNT_EMPTY (0x7 << 4) +#define REG_ADDR_COUNT_5 (0x4 << 4) +#define REG_ADDR_COUNT_4 (0x3 << 4) +#define REG_ADDR_COUNT_3 (0x2 << 4) +#define REG_ADDR_COUNT_2 (0x1 << 4) +#define REG_ADDR_COUNT_1 (0x0 << 4) +#define REG_DATA_COUNT_EMPTY (0x3fff << 8) +#define REG_DATA_COUNT_512_DATA (0x1FF << 8) +#define REG_DATA_COUNT_2k_DATA (0x7FF << 8) +#define REG_DATA_COUNT_4k_DATA (0xFFF << 8) +#define REG_DATA_COUNT_DATA_1 (0x0 << 8) +#define REG_DATA_COUNT_DATA_2 (0x1 << 8) +#define REG_DATA_COUNT_DATA_3 (0x2 << 8) +#define REG_DATA_COUNT_DATA_4 (0x3 << 8) +#define REG_DATA_COUNT_DATA_5 (0x4 << 8) +#define REG_DATA_COUNT_DATA_6 (0x5 << 8) +#define REG_DATA_COUNT_DATA_7 (0x6 << 8) +#define REG_DATA_COUNT_DATA_8 (0x7 << 8) +#define REG_OOB_COUNT_EMPTY (0x3ff << 22) + +/* Bit field in FLASH_FLASH_ACCESS_START */ +#define NFLASH_GO BIT(0) +#define NFLASH_FIFO_REQ BIT(2) +#define NFLASH_RD BIT(13) +#define NFLASH_WT (BIT(12) | BIT(13)) + +/* Bit field in FLASH_NF_ECC_RESET */ +#define RESET_NFLASH_RESET BIT(2) +#define RESET_NFLASH_FIFO BIT(1) +#define RESET_NFLASH_ECC BIT(0) +#define ECC_RESET_ALL \ + RESET_NFLASH_RESET | RESET_NFLASH_FIFO | RESET_NFLASH_ECC + +/* Bit field in FLASH_NF_ECC_CONTROL */ +#define ENABLE_ECC_GENERATION BIT(8) +#define DISABLE_ECC_GENERATION (0 << 8) + +/* Flash FIFO control */ +#define FIFO_READ 2 +#define FIFO_WRITE 3 + +/* NFLASH INTERRUPT */ +#define REGIRQ_CLEAR BIT(0) +#define F_ADDR_ERR 2 + +/* BCH ECC field definition */ +#define BCH_COMPARE BIT(0) +#define BCH_ENABLE BIT(8) +#define BCH_DISABLE (0 << 8) +#define BCH_DECODE BIT(1) +#define BCH_ENCODE (0 << 1) +#define BCH_DECO_DONE BIT(30) +#define BCH_GEN_DONE BIT(31) +#define BCH_UNCORRECTABLE 0x3 +#define BCH_CORRECTABLE_ERR 0x2 +#define BCH_NO_ERR 0x1 +#define BCH_BUSY 0x0 +#define BCH_ERR_MASK 0x3 +#define BCH_ERR_NUM_MASK 0x3F +#define BCH_ERR_LOC_MASK 0x3FFF +#define BCH_CORRECT_LOC_MASK 0x7 +#define BCH_ERR_CAP_8 (0x0 << 9) +#define BCH_ERR_CAP_16 (0x1 << 9) +#define BCH_ERR_CAP_24 (0x2 << 9) +#define BCH_ERR_CAP_40 (0x3 << 9) + +#define BCH_GF_PARAM_M 14 + +struct nand_ctlr { + /* Cortina NAND controller register */ + u32 flash_id; + u32 flash_timeout; + u32 flash_status; + u32 flash_type; + u32 flash_flash_access_start; + u32 flash_flash_interrupt; + u32 flash_flash_mask; + u32 flash_fifo_control; + u32 flash_fifo_status; + u32 flash_fifo_address; + u32 flash_fifo_match_address; + u32 flash_fifo_data; + u32 flash_sf_access; + u32 flash_sf_ext_access; + u32 flash_sf_address; + u32 flash_sf_data; + u32 flash_sf_timing; + u32 resv[3]; + u32 flash_pf_access; // offset 0x050 + u32 flash_pf_timing; + u32 resv1[2]; + u32 flash_nf_access; // offset 0x060 + u32 flash_nf_count; + u32 flash_nf_command; + u32 flash_nf_address_1; + u32 flash_nf_address_2; + u32 flash_nf_data; + u32 flash_nf_timing; + u32 flash_nf_ecc_status; + u32 flash_nf_ecc_control; + u32 flash_nf_ecc_oob; + u32 flash_nf_ecc_gen0; + u32 resv3[15]; + u32 flash_nf_ecc_reset; // offset 0x0c8 + u32 flash_nf_bch_control; + u32 flash_nf_bch_status; + u32 flash_nf_bch_error_loc01; + u32 resv4[19]; + u32 flash_nf_bch_oob0; // offset 0x124 + u32 resv5[17]; + u32 flash_nf_bch_gen0_0; // offset 0x16c +}; + +/* Definition for DMA bitfield */ +#define TX_DMA_ENABLE BIT(0) +#define RX_DMA_ENABLE BIT(0) +#define DMA_CHECK_OWNER BIT(1) +#define OWN_DMA 0 +#define OWN_CPU 1 + +#define CA_DMA_DEPTH 3 +#define CA_DMA_DESC_NUM (BIT(0) << CA_DMA_DEPTH) +#define CA_DMA_Q_PTR_MASK 0x1fff + +struct dma_q_base_depth_t { + u32 depth : 4 ; /* bits 3:0 */ + u32 base : 28 ; /* bits 31:4 */ +}; + +struct tx_descriptor_t { + unsigned int buf_adr; /* Buff addr */ + unsigned int buf_adr_hi : 8 ; /* bits 7:0 */ + unsigned int buf_len : 16 ; /* bits 23:8 */ + unsigned int sgm : 1 ; /* bits 24 */ + unsigned int rsrvd : 6 ; /* bits 30:25 */ + unsigned int own : 1 ; /* bits 31:31 */ +}; + +struct rx_descriptor_t { + unsigned int buf_adr; /* Buff addr */ + unsigned int buf_adr_hi : 8 ; /* bits 7:0 */ + unsigned int buf_len : 16 ; /* bits 23:8 */ + unsigned int rsrvd : 7 ; /* bits 30:24 */ + unsigned int own : 1 ; /* bits 31:31 */ +}; + +struct dma_global { + u32 dma_glb_dma_lso_ctrl; + u32 dma_glb_lso_interrupt; + u32 dma_glb_lso_intenable; + u32 dma_glb_dma_lso_vlan_tag_type0; + u32 dma_glb_dma_lso_vlan_tag_type1; + u32 dma_glb_dma_lso_axi_user_sel0; + u32 dma_glb_axi_user_pat0; + u32 dma_glb_axi_user_pat1; + u32 dma_glb_axi_user_pat2; + u32 dma_glb_axi_user_pat3; + u32 dma_glb_fast_reg_pe0; + u32 dma_glb_fast_reg_pe1; + u32 dma_glb_dma_lso_tx_fdes_addr0; + u32 dma_glb_dma_lso_tx_fdes_addr1; + u32 dma_glb_dma_lso_tx_cdes_addr0; + u32 dma_glb_dma_lso_tx_cdes_addr1; + u32 dma_glb_dma_lso_tx_des_word0; + u32 dma_glb_dma_lso_tx_des_word1; + u32 dma_glb_dma_lso_lso_para_word0; + u32 dma_glb_dma_lso_lso_para_word1; + u32 dma_glb_dma_lso_debug0; + u32 dma_glb_dma_lso_debug1; + u32 dma_glb_dma_lso_debug2; + u32 dma_glb_dma_lso_spare0; + u32 dma_glb_dma_lso_spare1; + u32 dma_glb_dma_ssp_rx_ctrl; + u32 dma_glb_dma_ssp_tx_ctrl; + u32 dma_glb_dma_ssp_axi_user_sel0; + u32 dma_glb_dma_ssp_axi_user_sel1; + u32 dma_glb_dma_ssp_rx_fdes_addr0; + u32 dma_glb_dma_ssp_rx_fdes_addr1; + u32 dma_glb_dma_ssp_rx_cdes_addr0; + u32 dma_glb_dma_ssp_rx_cdes_addr1; + u32 dma_glb_dma_ssp_rx_des_word0; + u32 dma_glb_dma_ssp_rx_des_word1; + u32 dma_glb_dma_ssp_tx_fdes_addr0; + u32 dma_glb_dma_ssp_tx_fdes_addr1; + u32 dma_glb_dma_ssp_tx_cdes_addr0; + u32 dma_glb_dma_ssp_tx_cdes_addr1; + u32 dma_glb_dma_ssp_tx_des_word0; + u32 dma_glb_dma_ssp_tx_des_word1; + u32 dma_glb_dma_ssp_debug0; + u32 dma_glb_dma_ssp_debug1; + u32 dma_glb_dma_ssp_debug2; + u32 dma_glb_dma_ssp_spare0; + u32 dma_glb_dma_ssp_spare1; +}; + +struct dma_ssp { + u32 dma_q_rxq_control; + u32 dma_q_rxq_base_depth; + u32 dma_q_rxq_base; + u32 dma_q_rxq_wptr; + u32 dma_q_rxq_rptr; + u32 dma_q_rxq_pktcnt; + u32 dma_q_txq_control; + u32 dma_q_txq_base_depth; + u32 dma_q_txq_base; + u32 dma_q_txq_wptr; + u32 dma_q_txq_rptr; + u32 dma_q_txq_pktcnt; + u32 dma_q_rxq_interrupt; + u32 dma_q_rxq_intenable; + u32 dma_q_txq_interrupt; + u32 dma_q_txq_intenable; + u32 dma_q_rxq_misc_interrupt; + u32 dma_q_rxq_misc_intenable; + u32 dma_q_txq_misc_interrupt; + u32 dma_q_txq_misc_intenable; + u32 dma_q_rxq_coal_interrupt; + u32 dma_q_rxq_coal_intenable; + u32 dma_q_txq_coal_interrupt; + u32 dma_q_txq_coal_intenable; + u32 dma_q_rxq_frag_buff_addr0; + u32 dma_q_rxq_frag_buff_addr1; + u32 dma_q_rxq_frag_buff_size; + u32 dma_q_txq_frag_buff_addr0; + u32 dma_q_txq_frag_buff_addr1; + u32 dma_q_txq_frag_buff_size; + u32 dma_q_dma_spare_0; + u32 dma_q_dma_spare_1; +}; |