| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jason Roberts | 576 | 52.60% | 1 | 3.03% |
| Masahiro Yamada | 438 | 40.00% | 24 | 72.73% |
| Jamie Iles | 60 | 5.48% | 3 | 9.09% |
| Dinh Nguyen | 17 | 1.55% | 1 | 3.03% |
| Chuanxiao Dong | 2 | 0.18% | 2 | 6.06% |
| Gustavo A. R. Silva | 1 | 0.09% | 1 | 3.03% |
| Boris Brezillon | 1 | 0.09% | 1 | 3.03% |
| Total | 1095 | 33 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * NAND Flash Controller Device Driver * Copyright (c) 2009 - 2010, Intel Corporation and its suppliers. */ #ifndef __DENALI_H__ #define __DENALI_H__ #include <linux/bits.h> #include <linux/completion.h> #include <linux/list.h> #include <linux/mtd/rawnand.h> #include <linux/spinlock_types.h> #include <linux/types.h> #define DEVICE_RESET 0x0 #define DEVICE_RESET__BANK(bank) BIT(bank) #define TRANSFER_SPARE_REG 0x10 #define TRANSFER_SPARE_REG__FLAG BIT(0) #define LOAD_WAIT_CNT 0x20 #define LOAD_WAIT_CNT__VALUE GENMASK(15, 0) #define PROGRAM_WAIT_CNT 0x30 #define PROGRAM_WAIT_CNT__VALUE GENMASK(15, 0) #define ERASE_WAIT_CNT 0x40 #define ERASE_WAIT_CNT__VALUE GENMASK(15, 0) #define INT_MON_CYCCNT 0x50 #define INT_MON_CYCCNT__VALUE GENMASK(15, 0) #define RB_PIN_ENABLED 0x60 #define RB_PIN_ENABLED__BANK(bank) BIT(bank) #define MULTIPLANE_OPERATION 0x70 #define MULTIPLANE_OPERATION__FLAG BIT(0) #define MULTIPLANE_READ_ENABLE 0x80 #define MULTIPLANE_READ_ENABLE__FLAG BIT(0) #define COPYBACK_DISABLE 0x90 #define COPYBACK_DISABLE__FLAG BIT(0) #define CACHE_WRITE_ENABLE 0xa0 #define CACHE_WRITE_ENABLE__FLAG BIT(0) #define CACHE_READ_ENABLE 0xb0 #define CACHE_READ_ENABLE__FLAG BIT(0) #define PREFETCH_MODE 0xc0 #define PREFETCH_MODE__PREFETCH_EN BIT(0) #define PREFETCH_MODE__PREFETCH_BURST_LENGTH GENMASK(15, 4) #define CHIP_ENABLE_DONT_CARE 0xd0 #define CHIP_EN_DONT_CARE__FLAG BIT(0) #define ECC_ENABLE 0xe0 #define ECC_ENABLE__FLAG BIT(0) #define GLOBAL_INT_ENABLE 0xf0 #define GLOBAL_INT_EN_FLAG BIT(0) #define TWHR2_AND_WE_2_RE 0x100 #define TWHR2_AND_WE_2_RE__WE_2_RE GENMASK(5, 0) #define TWHR2_AND_WE_2_RE__TWHR2 GENMASK(13, 8) #define TCWAW_AND_ADDR_2_DATA 0x110 /* The width of ADDR_2_DATA is 6 bit for old IP, 7 bit for new IP */ #define TCWAW_AND_ADDR_2_DATA__ADDR_2_DATA GENMASK(6, 0) #define TCWAW_AND_ADDR_2_DATA__TCWAW GENMASK(13, 8) #define RE_2_WE 0x120 #define RE_2_WE__VALUE GENMASK(5, 0) #define ACC_CLKS 0x130 #define ACC_CLKS__VALUE GENMASK(3, 0) #define NUMBER_OF_PLANES 0x140 #define NUMBER_OF_PLANES__VALUE GENMASK(2, 0) #define PAGES_PER_BLOCK 0x150 #define PAGES_PER_BLOCK__VALUE GENMASK(15, 0) #define DEVICE_WIDTH 0x160 #define DEVICE_WIDTH__VALUE GENMASK(1, 0) #define DEVICE_MAIN_AREA_SIZE 0x170 #define DEVICE_MAIN_AREA_SIZE__VALUE GENMASK(15, 0) #define DEVICE_SPARE_AREA_SIZE 0x180 #define DEVICE_SPARE_AREA_SIZE__VALUE GENMASK(15, 0) #define TWO_ROW_ADDR_CYCLES 0x190 #define TWO_ROW_ADDR_CYCLES__FLAG BIT(0) #define MULTIPLANE_ADDR_RESTRICT 0x1a0 #define MULTIPLANE_ADDR_RESTRICT__FLAG BIT(0) #define ECC_CORRECTION 0x1b0 #define ECC_CORRECTION__VALUE GENMASK(4, 0) #define ECC_CORRECTION__ERASE_THRESHOLD GENMASK(31, 16) #define READ_MODE 0x1c0 #define READ_MODE__VALUE GENMASK(3, 0) #define WRITE_MODE 0x1d0 #define WRITE_MODE__VALUE GENMASK(3, 0) #define COPYBACK_MODE 0x1e0 #define COPYBACK_MODE__VALUE GENMASK(3, 0) #define RDWR_EN_LO_CNT 0x1f0 #define RDWR_EN_LO_CNT__VALUE GENMASK(4, 0) #define RDWR_EN_HI_CNT 0x200 #define RDWR_EN_HI_CNT__VALUE GENMASK(4, 0) #define MAX_RD_DELAY 0x210 #define MAX_RD_DELAY__VALUE GENMASK(3, 0) #define CS_SETUP_CNT 0x220 #define CS_SETUP_CNT__VALUE GENMASK(4, 0) #define CS_SETUP_CNT__TWB GENMASK(17, 12) #define SPARE_AREA_SKIP_BYTES 0x230 #define SPARE_AREA_SKIP_BYTES__VALUE GENMASK(5, 0) #define SPARE_AREA_MARKER 0x240 #define SPARE_AREA_MARKER__VALUE GENMASK(15, 0) #define DEVICES_CONNECTED 0x250 #define DEVICES_CONNECTED__VALUE GENMASK(2, 0) #define DIE_MASK 0x260 #define DIE_MASK__VALUE GENMASK(7, 0) #define FIRST_BLOCK_OF_NEXT_PLANE 0x270 #define FIRST_BLOCK_OF_NEXT_PLANE__VALUE GENMASK(15, 0) #define WRITE_PROTECT 0x280 #define WRITE_PROTECT__FLAG BIT(0) #define RE_2_RE 0x290 #define RE_2_RE__VALUE GENMASK(5, 0) #define MANUFACTURER_ID 0x300 #define MANUFACTURER_ID__VALUE GENMASK(7, 0) #define DEVICE_ID 0x310 #define DEVICE_ID__VALUE GENMASK(7, 0) #define DEVICE_PARAM_0 0x320 #define DEVICE_PARAM_0__VALUE GENMASK(7, 0) #define DEVICE_PARAM_1 0x330 #define DEVICE_PARAM_1__VALUE GENMASK(7, 0) #define DEVICE_PARAM_2 0x340 #define DEVICE_PARAM_2__VALUE GENMASK(7, 0) #define LOGICAL_PAGE_DATA_SIZE 0x350 #define LOGICAL_PAGE_DATA_SIZE__VALUE GENMASK(15, 0) #define LOGICAL_PAGE_SPARE_SIZE 0x360 #define LOGICAL_PAGE_SPARE_SIZE__VALUE GENMASK(15, 0) #define REVISION 0x370 #define REVISION__VALUE GENMASK(15, 0) #define ONFI_DEVICE_FEATURES 0x380 #define ONFI_DEVICE_FEATURES__VALUE GENMASK(5, 0) #define ONFI_OPTIONAL_COMMANDS 0x390 #define ONFI_OPTIONAL_COMMANDS__VALUE GENMASK(5, 0) #define ONFI_TIMING_MODE 0x3a0 #define ONFI_TIMING_MODE__VALUE GENMASK(5, 0) #define ONFI_PGM_CACHE_TIMING_MODE 0x3b0 #define ONFI_PGM_CACHE_TIMING_MODE__VALUE GENMASK(5, 0) #define ONFI_DEVICE_NO_OF_LUNS 0x3c0 #define ONFI_DEVICE_NO_OF_LUNS__NO_OF_LUNS GENMASK(7, 0) #define ONFI_DEVICE_NO_OF_LUNS__ONFI_DEVICE BIT(8) #define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L 0x3d0 #define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L__VALUE GENMASK(15, 0) #define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U 0x3e0 #define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U__VALUE GENMASK(15, 0) #define FEATURES 0x3f0 #define FEATURES__N_BANKS GENMASK(1, 0) #define FEATURES__ECC_MAX_ERR GENMASK(5, 2) #define FEATURES__DMA BIT(6) #define FEATURES__CMD_DMA BIT(7) #define FEATURES__PARTITION BIT(8) #define FEATURES__XDMA_SIDEBAND BIT(9) #define FEATURES__GPREG BIT(10) #define FEATURES__INDEX_ADDR BIT(11) #define TRANSFER_MODE 0x400 #define TRANSFER_MODE__VALUE GENMASK(1, 0) #define INTR_STATUS(bank) (0x410 + (bank) * 0x50) #define INTR_EN(bank) (0x420 + (bank) * 0x50) /* bit[1:0] is used differently depending on IP version */ #define INTR__ECC_UNCOR_ERR BIT(0) /* new IP */ #define INTR__ECC_TRANSACTION_DONE BIT(0) /* old IP */ #define INTR__ECC_ERR BIT(1) /* old IP */ #define INTR__DMA_CMD_COMP BIT(2) #define INTR__TIME_OUT BIT(3) #define INTR__PROGRAM_FAIL BIT(4) #define INTR__ERASE_FAIL BIT(5) #define INTR__LOAD_COMP BIT(6) #define INTR__PROGRAM_COMP BIT(7) #define INTR__ERASE_COMP BIT(8) #define INTR__PIPE_CPYBCK_CMD_COMP BIT(9) #define INTR__LOCKED_BLK BIT(10) #define INTR__UNSUP_CMD BIT(11) #define INTR__INT_ACT BIT(12) #define INTR__RST_COMP BIT(13) #define INTR__PIPE_CMD_ERR BIT(14) #define INTR__PAGE_XFER_INC BIT(15) #define INTR__ERASED_PAGE BIT(16) #define PAGE_CNT(bank) (0x430 + (bank) * 0x50) #define ERR_PAGE_ADDR(bank) (0x440 + (bank) * 0x50) #define ERR_BLOCK_ADDR(bank) (0x450 + (bank) * 0x50) #define ECC_THRESHOLD 0x600 #define ECC_THRESHOLD__VALUE GENMASK(9, 0) #define ECC_ERROR_BLOCK_ADDRESS 0x610 #define ECC_ERROR_BLOCK_ADDRESS__VALUE GENMASK(15, 0) #define ECC_ERROR_PAGE_ADDRESS 0x620 #define ECC_ERROR_PAGE_ADDRESS__VALUE GENMASK(11, 0) #define ECC_ERROR_PAGE_ADDRESS__BANK GENMASK(15, 12) #define ECC_ERROR_ADDRESS 0x630 #define ECC_ERROR_ADDRESS__OFFSET GENMASK(11, 0) #define ECC_ERROR_ADDRESS__SECTOR GENMASK(15, 12) #define ERR_CORRECTION_INFO 0x640 #define ERR_CORRECTION_INFO__BYTE GENMASK(7, 0) #define ERR_CORRECTION_INFO__DEVICE GENMASK(11, 8) #define ERR_CORRECTION_INFO__UNCOR BIT(14) #define ERR_CORRECTION_INFO__LAST_ERR BIT(15) #define ECC_COR_INFO(bank) (0x650 + (bank) / 2 * 0x10) #define ECC_COR_INFO__SHIFT(bank) ((bank) % 2 * 8) #define ECC_COR_INFO__MAX_ERRORS GENMASK(6, 0) #define ECC_COR_INFO__UNCOR_ERR BIT(7) #define CFG_DATA_BLOCK_SIZE 0x6b0 #define CFG_LAST_DATA_BLOCK_SIZE 0x6c0 #define CFG_NUM_DATA_BLOCKS 0x6d0 #define CFG_META_DATA_SIZE 0x6e0 #define DMA_ENABLE 0x700 #define DMA_ENABLE__FLAG BIT(0) #define IGNORE_ECC_DONE 0x710 #define IGNORE_ECC_DONE__FLAG BIT(0) #define DMA_INTR 0x720 #define DMA_INTR_EN 0x730 #define DMA_INTR__TARGET_ERROR BIT(0) #define DMA_INTR__DESC_COMP_CHANNEL0 BIT(1) #define DMA_INTR__DESC_COMP_CHANNEL1 BIT(2) #define DMA_INTR__DESC_COMP_CHANNEL2 BIT(3) #define DMA_INTR__DESC_COMP_CHANNEL3 BIT(4) #define DMA_INTR__MEMCOPY_DESC_COMP BIT(5) #define TARGET_ERR_ADDR_LO 0x740 #define TARGET_ERR_ADDR_LO__VALUE GENMASK(15, 0) #define TARGET_ERR_ADDR_HI 0x750 #define TARGET_ERR_ADDR_HI__VALUE GENMASK(15, 0) #define CHNL_ACTIVE 0x760 #define CHNL_ACTIVE__CHANNEL0 BIT(0) #define CHNL_ACTIVE__CHANNEL1 BIT(1) #define CHNL_ACTIVE__CHANNEL2 BIT(2) #define CHNL_ACTIVE__CHANNEL3 BIT(3) /** * struct denali_chip_sel - per-CS data of Denali NAND * * @bank: bank id of the controller this CS is connected to * @hwhr2_and_we_2_re: value of timing register HWHR2_AND_WE_2_RE * @tcwaw_and_addr_2_data: value of timing register TCWAW_AND_ADDR_2_DATA * @re_2_we: value of timing register RE_2_WE * @acc_clks: value of timing register ACC_CLKS * @rdwr_en_lo_cnt: value of timing register RDWR_EN_LO_CNT * @rdwr_en_hi_cnt: value of timing register RDWR_EN_HI_CNT * @cs_setup_cnt: value of timing register CS_SETUP_CNT * @re_2_re: value of timing register RE_2_RE */ struct denali_chip_sel { int bank; u32 hwhr2_and_we_2_re; u32 tcwaw_and_addr_2_data; u32 re_2_we; u32 acc_clks; u32 rdwr_en_lo_cnt; u32 rdwr_en_hi_cnt; u32 cs_setup_cnt; u32 re_2_re; }; /** * struct denali_chip - per-chip data of Denali NAND * * @chip: base NAND chip structure * @node: node to be used to associate this chip with the controller * @nsels: the number of CS lines of this chip * @sels: the array of per-cs data */ struct denali_chip { struct nand_chip chip; struct list_head node; unsigned int nsels; struct denali_chip_sel sels[]; }; /** * struct denali_controller - Denali NAND controller data * * @controller: base NAND controller structure * @dev: device * @chips: the list of chips attached to this controller * @clk_rate: frequency of core clock * @clk_x_rate: frequency of bus interface clock * @reg: base of Register Interface * @host: base of Host Data/Command interface * @complete: completion used to wait for interrupts * @irq: interrupt number * @irq_mask: interrupt bits the controller is waiting for * @irq_status: interrupt bits of events that have happened * @irq_lock: lock to protect @irq_mask and @irq_status * @dma_avail: set if DMA engine is available * @devs_per_cs: number of devices connected in parallel * @oob_skip_bytes: number of bytes in OOB skipped by the ECC engine * @active_bank: active bank id * @nbanks: the number of banks supported by this controller * @revision: IP revision * @caps: controller capabilities that cannot be detected run-time * @ecc_caps: ECC engine capabilities * @host_read: callback for read access of Host Data/Command Interface * @host_write: callback for write access of Host Data/Command Interface * @setup_dma: callback for setup of the Data DMA */ struct denali_controller { struct nand_controller controller; struct device *dev; struct list_head chips; unsigned long clk_rate; unsigned long clk_x_rate; void __iomem *reg; void __iomem *host; struct completion complete; int irq; u32 irq_mask; u32 irq_status; spinlock_t irq_lock; bool dma_avail; int devs_per_cs; int oob_skip_bytes; int active_bank; int nbanks; unsigned int revision; unsigned int caps; const struct nand_ecc_caps *ecc_caps; u32 (*host_read)(struct denali_controller *denali, u32 addr); void (*host_write)(struct denali_controller *denali, u32 addr, u32 data); void (*setup_dma)(struct denali_controller *denali, dma_addr_t dma_addr, int page, bool write); }; #define DENALI_CAP_HW_ECC_FIXUP BIT(0) #define DENALI_CAP_DMA_64BIT BIT(1) int denali_calc_ecc_bytes(int step_size, int strength); int denali_chip_init(struct denali_controller *denali, struct denali_chip *dchip); int denali_init(struct denali_controller *denali); void denali_remove(struct denali_controller *denali); #endif /* __DENALI_H__ */
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