diff options
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/raw/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/Makefile | 1 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/arasan_nfc.c | 5 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/brcmnand/brcmnand.c | 353 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/kb9202_nand.c | 134 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_bbt.c | 3 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_util.c | 3 | ||||
| -rw-r--r-- | drivers/mtd/nand/spi/core.c | 5 |
8 files changed, 282 insertions, 226 deletions
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig index 5b35da45f5..5c7b0d9dcc 100644 --- a/drivers/mtd/nand/raw/Kconfig +++ b/drivers/mtd/nand/raw/Kconfig @@ -628,7 +628,8 @@ comment "Generic NAND options" config SYS_NAND_BLOCK_SIZE hex "NAND chip eraseblock size" - depends on ARCH_SUNXI || SPL_NAND_SUPPORT || TPL_NAND_SUPPORT + depends on ARCH_SUNXI || SPL_NAND_SUPPORT || TPL_NAND_SUPPORT || \ + MVEBU_SPL_BOOT_DEVICE_NAND depends on !NAND_MXS && !NAND_DENALI_DT && !NAND_LPC32XX_MLC && \ !NAND_FSL_IFC && !NAND_MT7621 help @@ -655,6 +656,7 @@ config SYS_NAND_PAGE_SIZE hex "NAND chip page size" depends on ARCH_SUNXI || NAND_OMAP_GPMC || NAND_LPC32XX_SLC || \ SPL_NAND_SIMPLE || (NAND_MXC && SPL_NAND_SUPPORT) || \ + MVEBU_SPL_BOOT_DEVICE_NAND || \ (NAND_ATMEL && SPL_NAND_SUPPORT) || SPL_GENERATE_ATMEL_PMECC_HEADER depends on !NAND_MXS && !NAND_DENALI_DT && !NAND_LPC32XX_MLC && !NAND_MT7621 help diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile index 666323e221..add2b4cf65 100644 --- a/drivers/mtd/nand/raw/Makefile +++ b/drivers/mtd/nand/raw/Makefile @@ -56,7 +56,6 @@ obj-$(CONFIG_NAND_DENALI) += denali.o obj-$(CONFIG_NAND_DENALI_DT) += denali_dt.o obj-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_nand.o obj-$(CONFIG_NAND_FSL_IFC) += fsl_ifc_nand.o -obj-$(CONFIG_NAND_KB9202) += kb9202_nand.o obj-$(CONFIG_NAND_KIRKWOOD) += kirkwood_nand.o obj-$(CONFIG_NAND_KMETER1) += kmeter1_nand.o obj-$(CONFIG_NAND_LPC32XX_MLC) += lpc32xx_nand_mlc.o diff --git a/drivers/mtd/nand/raw/arasan_nfc.c b/drivers/mtd/nand/raw/arasan_nfc.c index 4621bfb03e..99e2681c14 100644 --- a/drivers/mtd/nand/raw/arasan_nfc.c +++ b/drivers/mtd/nand/raw/arasan_nfc.c @@ -1230,12 +1230,16 @@ static int arasan_probe(struct udevice *dev) struct nand_drv *info = &arasan->nand_ctrl; struct nand_config *nand = &info->config; struct mtd_info *mtd; + ofnode child; int err = -1; info->reg = (struct nand_regs *)dev_read_addr(dev); mtd = nand_to_mtd(nand_chip); nand_set_controller_data(nand_chip, &arasan->nand_ctrl); + ofnode_for_each_subnode(child, dev_ofnode(dev)) + nand_set_flash_node(nand_chip, child); + #ifdef CONFIG_SYS_NAND_NO_SUBPAGE_WRITE nand_chip->options |= NAND_NO_SUBPAGE_WRITE; #endif @@ -1248,7 +1252,6 @@ static int arasan_probe(struct udevice *dev) /* Buffer read/write routines */ nand_chip->read_buf = arasan_nand_read_buf; nand_chip->write_buf = arasan_nand_write_buf; - nand_chip->bbt_options = NAND_BBT_USE_FLASH; writel(0x0, &info->reg->cmd_reg); writel(0x0, &info->reg->pgm_reg); diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index 74c9348f7f..efbf9a3120 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -86,6 +86,12 @@ struct brcm_nand_dma_desc { #define FLASH_DMA_ECC_ERROR (1 << 8) #define FLASH_DMA_CORR_ERROR (1 << 9) +/* Bitfields for DMA_MODE */ +#define FLASH_DMA_MODE_STOP_ON_ERROR BIT(1) /* stop in Uncorr ECC error */ +#define FLASH_DMA_MODE_MODE BIT(0) /* link list */ +#define FLASH_DMA_MODE_MASK (FLASH_DMA_MODE_STOP_ON_ERROR | \ + FLASH_DMA_MODE_MODE) + /* 512B flash cache in the NAND controller HW */ #define FC_SHIFT 9U #define FC_BYTES 512U @@ -98,6 +104,65 @@ struct brcm_nand_dma_desc { #define NAND_CTRL_RDY (INTFC_CTLR_READY | INTFC_FLASH_READY) #define NAND_POLL_STATUS_TIMEOUT_MS 100 +/* flash_dma registers */ +enum flash_dma_reg { + FLASH_DMA_REVISION = 0, + FLASH_DMA_FIRST_DESC, + FLASH_DMA_FIRST_DESC_EXT, + FLASH_DMA_CTRL, + FLASH_DMA_MODE, + FLASH_DMA_STATUS, + FLASH_DMA_INTERRUPT_DESC, + FLASH_DMA_INTERRUPT_DESC_EXT, + FLASH_DMA_ERROR_STATUS, + FLASH_DMA_CURRENT_DESC, + FLASH_DMA_CURRENT_DESC_EXT, +}; + +#ifndef __UBOOT__ +/* flash_dma registers v0*/ +static const u16 flash_dma_regs_v0[] = { + [FLASH_DMA_REVISION] = 0x00, + [FLASH_DMA_FIRST_DESC] = 0x04, + [FLASH_DMA_CTRL] = 0x08, + [FLASH_DMA_MODE] = 0x0c, + [FLASH_DMA_STATUS] = 0x10, + [FLASH_DMA_INTERRUPT_DESC] = 0x14, + [FLASH_DMA_ERROR_STATUS] = 0x18, + [FLASH_DMA_CURRENT_DESC] = 0x1c, +}; + +/* flash_dma registers v1*/ +static const u16 flash_dma_regs_v1[] = { + [FLASH_DMA_REVISION] = 0x00, + [FLASH_DMA_FIRST_DESC] = 0x04, + [FLASH_DMA_FIRST_DESC_EXT] = 0x08, + [FLASH_DMA_CTRL] = 0x0c, + [FLASH_DMA_MODE] = 0x10, + [FLASH_DMA_STATUS] = 0x14, + [FLASH_DMA_INTERRUPT_DESC] = 0x18, + [FLASH_DMA_INTERRUPT_DESC_EXT] = 0x1c, + [FLASH_DMA_ERROR_STATUS] = 0x20, + [FLASH_DMA_CURRENT_DESC] = 0x24, + [FLASH_DMA_CURRENT_DESC_EXT] = 0x28, +}; + +/* flash_dma registers v4 */ +static const u16 flash_dma_regs_v4[] = { + [FLASH_DMA_REVISION] = 0x00, + [FLASH_DMA_FIRST_DESC] = 0x08, + [FLASH_DMA_FIRST_DESC_EXT] = 0x0c, + [FLASH_DMA_CTRL] = 0x10, + [FLASH_DMA_MODE] = 0x14, + [FLASH_DMA_STATUS] = 0x18, + [FLASH_DMA_INTERRUPT_DESC] = 0x20, + [FLASH_DMA_INTERRUPT_DESC_EXT] = 0x24, + [FLASH_DMA_ERROR_STATUS] = 0x28, + [FLASH_DMA_CURRENT_DESC] = 0x30, + [FLASH_DMA_CURRENT_DESC_EXT] = 0x34, +}; +#endif /* __UBOOT__ */ + /* Controller feature flags */ enum { BRCMNAND_HAS_1K_SECTORS = BIT(0), @@ -135,6 +200,8 @@ struct brcmnand_controller { /* List of NAND hosts (one for each chip-select) */ struct list_head host_list; + /* flash_dma reg */ + const u16 *flash_dma_offsets; struct brcm_nand_dma_desc *dma_desc; dma_addr_t dma_pa; @@ -150,6 +217,7 @@ struct brcmnand_controller { const unsigned int *block_sizes; unsigned int max_page_size; const unsigned int *page_sizes; + unsigned int page_size_shift; unsigned int max_oob; u32 features; @@ -226,8 +294,38 @@ enum brcmnand_reg { BRCMNAND_FC_BASE, }; -/* BRCMNAND v4.0 */ -static const u16 brcmnand_regs_v40[] = { +/* BRCMNAND v2.1-v2.2 */ +static const u16 brcmnand_regs_v21[] = { + [BRCMNAND_CMD_START] = 0x04, + [BRCMNAND_CMD_EXT_ADDRESS] = 0x08, + [BRCMNAND_CMD_ADDRESS] = 0x0c, + [BRCMNAND_INTFC_STATUS] = 0x5c, + [BRCMNAND_CS_SELECT] = 0x14, + [BRCMNAND_CS_XOR] = 0x18, + [BRCMNAND_LL_OP] = 0, + [BRCMNAND_CS0_BASE] = 0x40, + [BRCMNAND_CS1_BASE] = 0, + [BRCMNAND_CORR_THRESHOLD] = 0, + [BRCMNAND_CORR_THRESHOLD_EXT] = 0, + [BRCMNAND_UNCORR_COUNT] = 0, + [BRCMNAND_CORR_COUNT] = 0, + [BRCMNAND_CORR_EXT_ADDR] = 0x60, + [BRCMNAND_CORR_ADDR] = 0x64, + [BRCMNAND_UNCORR_EXT_ADDR] = 0x68, + [BRCMNAND_UNCORR_ADDR] = 0x6c, + [BRCMNAND_SEMAPHORE] = 0x50, + [BRCMNAND_ID] = 0x54, + [BRCMNAND_ID_EXT] = 0, + [BRCMNAND_LL_RDATA] = 0, + [BRCMNAND_OOB_READ_BASE] = 0x20, + [BRCMNAND_OOB_READ_10_BASE] = 0, + [BRCMNAND_OOB_WRITE_BASE] = 0x30, + [BRCMNAND_OOB_WRITE_10_BASE] = 0, + [BRCMNAND_FC_BASE] = 0x200, +}; + +/* BRCMNAND v3.3-v4.0 */ +static const u16 brcmnand_regs_v33[] = { [BRCMNAND_CMD_START] = 0x04, [BRCMNAND_CMD_EXT_ADDRESS] = 0x08, [BRCMNAND_CMD_ADDRESS] = 0x0c, @@ -424,6 +522,9 @@ enum { CFG_BUS_WIDTH = BIT(CFG_BUS_WIDTH_SHIFT), CFG_DEVICE_SIZE_SHIFT = 24, + /* Only for v2.1 */ + CFG_PAGE_SIZE_SHIFT_v2_1 = 30, + /* Only for pre-v7.1 (with no CFG_EXT register) */ CFG_PAGE_SIZE_SHIFT = 20, CFG_BLK_SIZE_SHIFT = 28, @@ -459,12 +560,16 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl) { static const unsigned int block_sizes_v6[] = { 8, 16, 128, 256, 512, 1024, 2048, 0 }; static const unsigned int block_sizes_v4[] = { 16, 128, 8, 512, 256, 1024, 2048, 0 }; - static const unsigned int page_sizes[] = { 512, 2048, 4096, 8192, 0 }; + static const unsigned int block_sizes_v2_2[] = { 16, 128, 8, 512, 256, 0 }; + static const unsigned int block_sizes_v2_1[] = { 16, 128, 8, 512, 0 }; + static const unsigned int page_sizes_v3_4[] = { 512, 2048, 4096, 8192, 0 }; + static const unsigned int page_sizes_v2_2[] = { 512, 2048, 4096, 0 }; + static const unsigned int page_sizes_v2_1[] = { 512, 2048, 0 }; ctrl->nand_version = nand_readreg(ctrl, 0) & 0xffff; - /* Only support v4.0+? */ - if (ctrl->nand_version < 0x0400) { + /* Only support v2.1+ */ + if (ctrl->nand_version < 0x0201) { dev_err(ctrl->dev, "version %#x not supported\n", ctrl->nand_version); return -ENODEV; @@ -473,14 +578,16 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl) /* Register offsets */ if (ctrl->nand_version >= 0x0702) ctrl->reg_offsets = brcmnand_regs_v72; - else if (ctrl->nand_version >= 0x0701) + else if (ctrl->nand_version == 0x0701) ctrl->reg_offsets = brcmnand_regs_v71; else if (ctrl->nand_version >= 0x0600) ctrl->reg_offsets = brcmnand_regs_v60; else if (ctrl->nand_version >= 0x0500) ctrl->reg_offsets = brcmnand_regs_v50; - else if (ctrl->nand_version >= 0x0400) - ctrl->reg_offsets = brcmnand_regs_v40; + else if (ctrl->nand_version >= 0x0303) + ctrl->reg_offsets = brcmnand_regs_v33; + else if (ctrl->nand_version >= 0x0201) + ctrl->reg_offsets = brcmnand_regs_v21; /* Chip-select stride */ if (ctrl->nand_version >= 0x0701) @@ -494,8 +601,9 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl) } else { ctrl->cs_offsets = brcmnand_cs_offsets; - /* v5.0 and earlier has a different CS0 offset layout */ - if (ctrl->nand_version <= 0x0500) + /* v3.3-5.0 have a different CS0 offset layout */ + if (ctrl->nand_version >= 0x0303 && + ctrl->nand_version <= 0x0500) ctrl->cs0_offsets = brcmnand_cs_offsets_cs0; } @@ -505,20 +613,38 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl) ctrl->max_page_size = 16 * 1024; ctrl->max_block_size = 2 * 1024 * 1024; } else { - ctrl->page_sizes = page_sizes; + if (ctrl->nand_version >= 0x0304) + ctrl->page_sizes = page_sizes_v3_4; + else if (ctrl->nand_version >= 0x0202) + ctrl->page_sizes = page_sizes_v2_2; + else + ctrl->page_sizes = page_sizes_v2_1; + + if (ctrl->nand_version >= 0x0202) + ctrl->page_size_shift = CFG_PAGE_SIZE_SHIFT; + else + ctrl->page_size_shift = CFG_PAGE_SIZE_SHIFT_v2_1; + if (ctrl->nand_version >= 0x0600) ctrl->block_sizes = block_sizes_v6; - else + else if (ctrl->nand_version >= 0x0400) ctrl->block_sizes = block_sizes_v4; + else if (ctrl->nand_version >= 0x0202) + ctrl->block_sizes = block_sizes_v2_2; + else + ctrl->block_sizes = block_sizes_v2_1; if (ctrl->nand_version < 0x0400) { - ctrl->max_page_size = 4096; + if (ctrl->nand_version < 0x0202) + ctrl->max_page_size = 2048; + else + ctrl->max_page_size = 4096; ctrl->max_block_size = 512 * 1024; } } /* Maximum spare area sector size (per 512B) */ - if (ctrl->nand_version >= 0x0702) + if (ctrl->nand_version == 0x0702) ctrl->max_oob = 128; else if (ctrl->nand_version >= 0x0600) ctrl->max_oob = 64; @@ -553,6 +679,19 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl) return 0; } +#ifndef __UBOOT__ +static void brcmnand_flash_dma_revision_init(struct brcmnand_controller *ctrl) +{ + /* flash_dma register offsets */ + if (ctrl->nand_version >= 0x0703) + ctrl->flash_dma_offsets = flash_dma_regs_v4; + else if (ctrl->nand_version == 0x0602) + ctrl->flash_dma_offsets = flash_dma_regs_v0; + else + ctrl->flash_dma_offsets = flash_dma_regs_v1; +} +#endif /* __UBOOT__ */ + static inline u32 brcmnand_read_reg(struct brcmnand_controller *ctrl, enum brcmnand_reg reg) { @@ -595,6 +734,54 @@ static inline void brcmnand_write_fc(struct brcmnand_controller *ctrl, __raw_writel(val, ctrl->nand_fc + word * 4); } +static void brcmnand_clear_ecc_addr(struct brcmnand_controller *ctrl) +{ + + /* Clear error addresses */ + brcmnand_write_reg(ctrl, BRCMNAND_UNCORR_ADDR, 0); + brcmnand_write_reg(ctrl, BRCMNAND_CORR_ADDR, 0); + brcmnand_write_reg(ctrl, BRCMNAND_UNCORR_EXT_ADDR, 0); + brcmnand_write_reg(ctrl, BRCMNAND_CORR_EXT_ADDR, 0); +} + +static u64 brcmnand_get_uncorrecc_addr(struct brcmnand_controller *ctrl) +{ + u64 err_addr; + + err_addr = brcmnand_read_reg(ctrl, BRCMNAND_UNCORR_ADDR); + err_addr |= ((u64)(brcmnand_read_reg(ctrl, + BRCMNAND_UNCORR_EXT_ADDR) + & 0xffff) << 32); + + return err_addr; +} + +static u64 brcmnand_get_correcc_addr(struct brcmnand_controller *ctrl) +{ + u64 err_addr; + + err_addr = brcmnand_read_reg(ctrl, BRCMNAND_CORR_ADDR); + err_addr |= ((u64)(brcmnand_read_reg(ctrl, + BRCMNAND_CORR_EXT_ADDR) + & 0xffff) << 32); + + return err_addr; +} + +static void brcmnand_set_cmd_addr(struct mtd_info *mtd, u64 addr) +{ + struct nand_chip *chip = mtd_to_nand(mtd); + struct brcmnand_host *host = nand_get_controller_data(chip); + struct brcmnand_controller *ctrl = host->ctrl; + + brcmnand_write_reg(ctrl, BRCMNAND_CMD_EXT_ADDRESS, + (host->cs << 16) | ((addr >> 32) & 0xffff)); + (void)brcmnand_read_reg(ctrl, BRCMNAND_CMD_EXT_ADDRESS); + brcmnand_write_reg(ctrl, BRCMNAND_CMD_ADDRESS, + lower_32_bits(addr)); + (void)brcmnand_read_reg(ctrl, BRCMNAND_CMD_ADDRESS); +} + static inline u16 brcmnand_cs_offset(struct brcmnand_controller *ctrl, int cs, enum brcmnand_cs_reg reg) { @@ -627,7 +814,10 @@ static void brcmnand_wr_corr_thresh(struct brcmnand_host *host, u8 val) enum brcmnand_reg reg = BRCMNAND_CORR_THRESHOLD; int cs = host->cs; - if (ctrl->nand_version >= 0x0702) + if (!ctrl->reg_offsets[reg]) + return; + + if (ctrl->nand_version == 0x0702) bits = 7; else if (ctrl->nand_version >= 0x0600) bits = 6; @@ -681,12 +871,14 @@ enum { static inline u32 brcmnand_spare_area_mask(struct brcmnand_controller *ctrl) { - if (ctrl->nand_version >= 0x0702) + if (ctrl->nand_version == 0x0702) return GENMASK(7, 0); else if (ctrl->nand_version >= 0x0600) return GENMASK(6, 0); - else + else if (ctrl->nand_version >= 0x0303) return GENMASK(5, 0); + else + return GENMASK(4, 0); } #define NAND_ACC_CONTROL_ECC_SHIFT 16 @@ -829,20 +1021,6 @@ static inline void brcmnand_set_wp(struct brcmnand_controller *ctrl, bool en) * Flash DMA ***********************************************************************/ -enum flash_dma_reg { - FLASH_DMA_REVISION = 0x00, - FLASH_DMA_FIRST_DESC = 0x04, - FLASH_DMA_FIRST_DESC_EXT = 0x08, - FLASH_DMA_CTRL = 0x0c, - FLASH_DMA_MODE = 0x10, - FLASH_DMA_STATUS = 0x14, - FLASH_DMA_INTERRUPT_DESC = 0x18, - FLASH_DMA_INTERRUPT_DESC_EXT = 0x1c, - FLASH_DMA_ERROR_STATUS = 0x20, - FLASH_DMA_CURRENT_DESC = 0x24, - FLASH_DMA_CURRENT_DESC_EXT = 0x28, -}; - static inline bool has_flash_dma(struct brcmnand_controller *ctrl) { return ctrl->flash_dma_base; @@ -858,14 +1036,19 @@ static inline bool flash_dma_buf_ok(const void *buf) #endif /* __UBOOT__ */ } -static inline void flash_dma_writel(struct brcmnand_controller *ctrl, u8 offs, - u32 val) +static inline void flash_dma_writel(struct brcmnand_controller *ctrl, + enum flash_dma_reg dma_reg, u32 val) { + u16 offs = ctrl->flash_dma_offsets[dma_reg]; + brcmnand_writel(val, ctrl->flash_dma_base + offs); } -static inline u32 flash_dma_readl(struct brcmnand_controller *ctrl, u8 offs) +static inline u32 flash_dma_readl(struct brcmnand_controller *ctrl, + enum flash_dma_reg dma_reg) { + u16 offs = ctrl->flash_dma_offsets[dma_reg]; + return brcmnand_readl(ctrl->flash_dma_base + offs); } @@ -1190,9 +1373,12 @@ static void brcmnand_send_cmd(struct brcmnand_host *host, int cmd) { struct brcmnand_controller *ctrl = host->ctrl; int ret; + u64 cmd_addr; + + cmd_addr = brcmnand_read_reg(ctrl, BRCMNAND_CMD_ADDRESS); + + dev_dbg(ctrl->dev, "send native cmd %d addr 0x%llx\n", cmd, cmd_addr); - dev_dbg(ctrl->dev, "send native cmd %d addr_lo 0x%x\n", cmd, - brcmnand_read_reg(ctrl, BRCMNAND_CMD_ADDRESS)); BUG_ON(ctrl->cmd_pending != 0); ctrl->cmd_pending = cmd; @@ -1365,12 +1551,7 @@ static void brcmnand_cmdfunc(struct mtd_info *mtd, unsigned command, if (!native_cmd) return; - brcmnand_write_reg(ctrl, BRCMNAND_CMD_EXT_ADDRESS, - (host->cs << 16) | ((addr >> 32) & 0xffff)); - (void)brcmnand_read_reg(ctrl, BRCMNAND_CMD_EXT_ADDRESS); - brcmnand_write_reg(ctrl, BRCMNAND_CMD_ADDRESS, lower_32_bits(addr)); - (void)brcmnand_read_reg(ctrl, BRCMNAND_CMD_ADDRESS); - + brcmnand_set_cmd_addr(mtd, addr); brcmnand_send_cmd(host, native_cmd); brcmnand_waitfunc(mtd, chip); @@ -1542,8 +1723,11 @@ static void brcmnand_dma_run(struct brcmnand_host *host, dma_addr_t desc) flash_dma_writel(ctrl, FLASH_DMA_FIRST_DESC, lower_32_bits(desc)); (void)flash_dma_readl(ctrl, FLASH_DMA_FIRST_DESC); - flash_dma_writel(ctrl, FLASH_DMA_FIRST_DESC_EXT, upper_32_bits(desc)); - (void)flash_dma_readl(ctrl, FLASH_DMA_FIRST_DESC_EXT); + if (ctrl->nand_version > 0x0602) { + flash_dma_writel(ctrl, FLASH_DMA_FIRST_DESC_EXT, + upper_32_bits(desc)); + (void)flash_dma_readl(ctrl, FLASH_DMA_FIRST_DESC_EXT); + } /* Start FLASH_DMA engine */ ctrl->dma_pending = true; @@ -1600,20 +1784,10 @@ static int brcmnand_read_by_pio(struct mtd_info *mtd, struct nand_chip *chip, struct brcmnand_controller *ctrl = host->ctrl; int i, j, ret = 0; - /* Clear error addresses */ - brcmnand_write_reg(ctrl, BRCMNAND_UNCORR_ADDR, 0); - brcmnand_write_reg(ctrl, BRCMNAND_CORR_ADDR, 0); - brcmnand_write_reg(ctrl, BRCMNAND_UNCORR_EXT_ADDR, 0); - brcmnand_write_reg(ctrl, BRCMNAND_CORR_EXT_ADDR, 0); - - brcmnand_write_reg(ctrl, BRCMNAND_CMD_EXT_ADDRESS, - (host->cs << 16) | ((addr >> 32) & 0xffff)); - (void)brcmnand_read_reg(ctrl, BRCMNAND_CMD_EXT_ADDRESS); + brcmnand_clear_ecc_addr(ctrl); for (i = 0; i < trans; i++, addr += FC_BYTES) { - brcmnand_write_reg(ctrl, BRCMNAND_CMD_ADDRESS, - lower_32_bits(addr)); - (void)brcmnand_read_reg(ctrl, BRCMNAND_CMD_ADDRESS); + brcmnand_set_cmd_addr(mtd, addr); /* SPARE_AREA_READ does not use ECC, so just use PAGE_READ */ brcmnand_send_cmd(host, CMD_PAGE_READ); brcmnand_waitfunc(mtd, chip); @@ -1633,21 +1807,15 @@ static int brcmnand_read_by_pio(struct mtd_info *mtd, struct nand_chip *chip, host->hwcfg.sector_size_1k); if (ret != -EBADMSG) { - *err_addr = brcmnand_read_reg(ctrl, - BRCMNAND_UNCORR_ADDR) | - ((u64)(brcmnand_read_reg(ctrl, - BRCMNAND_UNCORR_EXT_ADDR) - & 0xffff) << 32); + *err_addr = brcmnand_get_uncorrecc_addr(ctrl); + if (*err_addr) ret = -EBADMSG; } if (!ret) { - *err_addr = brcmnand_read_reg(ctrl, - BRCMNAND_CORR_ADDR) | - ((u64)(brcmnand_read_reg(ctrl, - BRCMNAND_CORR_EXT_ADDR) - & 0xffff) << 32); + *err_addr = brcmnand_get_correcc_addr(ctrl); + if (*err_addr) ret = -EUCLEAN; } @@ -1673,11 +1841,13 @@ static int brcmnand_read_by_pio(struct mtd_info *mtd, struct nand_chip *chip, static int brcmstb_nand_verify_erased_page(struct mtd_info *mtd, struct nand_chip *chip, void *buf, u64 addr) { - int i, sas; - void *oob = chip->oob_poi; + struct mtd_oob_region ecc; + int i; int bitflips = 0; int page = addr >> chip->page_shift; int ret; + void *ecc_bytes; + void *ecc_chunk; if (!buf) { #ifndef __UBOOT__ @@ -1689,16 +1859,20 @@ static int brcmstb_nand_verify_erased_page(struct mtd_info *mtd, chip->pagebuf = -1; } - sas = mtd->oobsize / chip->ecc.steps; - /* read without ecc for verification */ ret = chip->ecc.read_page_raw(mtd, chip, buf, true, page); if (ret) return ret; - for (i = 0; i < chip->ecc.steps; i++, oob += sas) { - ret = nand_check_erased_ecc_chunk(buf, chip->ecc.size, - oob, sas, NULL, 0, + for (i = 0; i < chip->ecc.steps; i++) { + ecc_chunk = buf + chip->ecc.size * i; + + mtd_ooblayout_ecc(mtd, i, &ecc); + ecc_bytes = chip->oob_poi + ecc.offset; + + ret = nand_check_erased_ecc_chunk(ecc_chunk, chip->ecc.size, + ecc_bytes, ecc.length, + NULL, 0, chip->ecc.strength); if (ret < 0) return ret; @@ -1721,7 +1895,7 @@ static int brcmnand_read(struct mtd_info *mtd, struct nand_chip *chip, dev_dbg(ctrl->dev, "read %llx -> %p\n", (unsigned long long)addr, buf); try_dmaread: - brcmnand_write_reg(ctrl, BRCMNAND_UNCORR_COUNT, 0); + brcmnand_clear_ecc_addr(ctrl); #ifndef __UBOOT__ if (has_flash_dma(ctrl) && !oob && flash_dma_buf_ok(buf)) { @@ -1875,15 +2049,9 @@ static int brcmnand_write(struct mtd_info *mtd, struct nand_chip *chip, } #endif /* __UBOOT__ */ - brcmnand_write_reg(ctrl, BRCMNAND_CMD_EXT_ADDRESS, - (host->cs << 16) | ((addr >> 32) & 0xffff)); - (void)brcmnand_read_reg(ctrl, BRCMNAND_CMD_EXT_ADDRESS); - for (i = 0; i < trans; i++, addr += FC_BYTES) { /* full address MUST be set before populating FC */ - brcmnand_write_reg(ctrl, BRCMNAND_CMD_ADDRESS, - lower_32_bits(addr)); - (void)brcmnand_read_reg(ctrl, BRCMNAND_CMD_ADDRESS); + brcmnand_set_cmd_addr(mtd, addr); if (buf) { brcmnand_soc_data_bus_prepare(ctrl->soc, false); @@ -2044,7 +2212,7 @@ static int brcmnand_set_cfg(struct brcmnand_host *host, (!!(cfg->device_width == 16) << CFG_BUS_WIDTH_SHIFT) | (device_size << CFG_DEVICE_SIZE_SHIFT); if (cfg_offs == cfg_ext_offs) { - tmp |= (page_size << CFG_PAGE_SIZE_SHIFT) | + tmp |= (page_size << ctrl->page_size_shift) | (block_size << CFG_BLK_SIZE_SHIFT); nand_writereg(ctrl, cfg_offs, tmp); } else { @@ -2056,9 +2224,11 @@ static int brcmnand_set_cfg(struct brcmnand_host *host, tmp = nand_readreg(ctrl, acc_control_offs); tmp &= ~brcmnand_ecc_level_mask(ctrl); - tmp |= cfg->ecc_level << NAND_ACC_CONTROL_ECC_SHIFT; tmp &= ~brcmnand_spare_area_mask(ctrl); - tmp |= cfg->spare_area_size; + if (ctrl->nand_version >= 0x0302) { + tmp |= cfg->ecc_level << NAND_ACC_CONTROL_ECC_SHIFT; + tmp |= cfg->spare_area_size; + } nand_writereg(ctrl, acc_control_offs, tmp); brcmnand_set_sector_size_1k(host, cfg->sector_size_1k); @@ -2345,6 +2515,12 @@ static int brcmnand_init_cs(struct brcmnand_host *host, ofnode dn) ret = nand_register(0, mtd); #endif /* __UBOOT__ */ + /* If OOB is written with ECC enabled it will cause ECC errors */ + if (is_hamming_ecc(host->ctrl, &host->hwcfg)) { + chip->ecc.write_oob = brcmnand_write_oob_raw; + chip->ecc.read_oob = brcmnand_read_oob_raw; + } + return ret; } @@ -2438,6 +2614,8 @@ const struct dev_pm_ops brcmnand_pm_ops = { EXPORT_SYMBOL_GPL(brcmnand_pm_ops); static const struct of_device_id brcmnand_of_match[] = { + { .compatible = "brcm,brcmnand-v2.1" }, + { .compatible = "brcm,brcmnand-v2.2" }, { .compatible = "brcm,brcmnand-v4.0" }, { .compatible = "brcm,brcmnand-v5.0" }, { .compatible = "brcm,brcmnand-v6.0" }, @@ -2446,6 +2624,7 @@ static const struct of_device_id brcmnand_of_match[] = { { .compatible = "brcm,brcmnand-v7.0" }, { .compatible = "brcm,brcmnand-v7.1" }, { .compatible = "brcm,brcmnand-v7.2" }, + { .compatible = "brcm,brcmnand-v7.3" }, {}, }; MODULE_DEVICE_TABLE(of, brcmnand_of_match); @@ -2576,7 +2755,11 @@ int brcmnand_probe(struct udevice *dev, struct brcmnand_soc *soc) goto err; } - flash_dma_writel(ctrl, FLASH_DMA_MODE, 1); /* linked-list */ + /* initialize the dma version */ + brcmnand_flash_dma_revision_init(ctrl); + + /* linked-list and stop on error */ + flash_dma_writel(ctrl, FLASH_DMA_MODE, FLASH_DMA_MODE_MASK); flash_dma_writel(ctrl, FLASH_DMA_ERROR_STATUS, 0); /* Allocate descriptor(s) */ diff --git a/drivers/mtd/nand/raw/kb9202_nand.c b/drivers/mtd/nand/raw/kb9202_nand.c deleted file mode 100644 index 9d26532c78..0000000000 --- a/drivers/mtd/nand/raw/kb9202_nand.c +++ /dev/null @@ -1,134 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2006 - * KwikByte <kb9200_dev@kwikbyte.com> - * - * (C) Copyright 2009 - * Matthias Kaehlcke <matthias@kaehlcke.net> - */ - -#include <common.h> -#include <linux/mtd/rawnand.h> -#include <asm/io.h> -#include <asm/arch/AT91RM9200.h> -#include <asm/arch/hardware.h> - -#include <nand.h> - -/* - * hardware specific access to control-lines - */ - -#define MASK_ALE (1 << 22) /* our ALE is A22 */ -#define MASK_CLE (1 << 21) /* our CLE is A21 */ - -#define KB9202_NAND_NCE (1 << 28) /* EN* on D28 */ -#define KB9202_NAND_BUSY (1 << 29) /* RB* on D29 */ - -#define KB9202_SMC2_NWS (1 << 2) -#define KB9202_SMC2_TDF (1 << 8) -#define KB9202_SMC2_RWSETUP (1 << 24) -#define KB9202_SMC2_RWHOLD (1 << 29) - -/* - * Board-specific function to access device control signals - */ -static void kb9202_nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) -{ - struct nand_chip *this = mtd_to_nand(mtd); - - if (ctrl & NAND_CTRL_CHANGE) { - ulong IO_ADDR_W = (ulong) this->IO_ADDR_W; - - /* clear ALE and CLE bits */ - IO_ADDR_W &= ~(MASK_ALE | MASK_CLE); - - if (ctrl & NAND_CLE) - IO_ADDR_W |= MASK_CLE; - - if (ctrl & NAND_ALE) - IO_ADDR_W |= MASK_ALE; - - this->IO_ADDR_W = (void *) IO_ADDR_W; - - if (ctrl & NAND_NCE) - writel(KB9202_NAND_NCE, AT91C_PIOC_CODR); - else - writel(KB9202_NAND_NCE, AT91C_PIOC_SODR); - } - - if (cmd != NAND_CMD_NONE) - writeb(cmd, this->IO_ADDR_W); -} - - -/* - * Board-specific function to access the device ready signal. - */ -static int kb9202_nand_ready(struct mtd_info *mtd) -{ - return readl(AT91C_PIOC_PDSR) & KB9202_NAND_BUSY; -} - - -/* - * Board-specific NAND init. Copied from include/linux/mtd/nand.h for reference. - * - * struct nand_chip - NAND Private Flash Chip Data - * @IO_ADDR_R: [BOARDSPECIFIC] address to read the 8 I/O lines of the flash device - * @IO_ADDR_W: [BOARDSPECIFIC] address to write the 8 I/O lines of the flash device - * @hwcontrol: [BOARDSPECIFIC] hardwarespecific function for accesing control-lines - * @dev_ready: [BOARDSPECIFIC] hardwarespecific function for accesing device ready/busy line - * If set to NULL no access to ready/busy is available and the ready/busy information - * is read from the chip status register - * @enable_hwecc: [BOARDSPECIFIC] function to enable (reset) hardware ecc generator. Must only - * be provided if a hardware ECC is available - * @eccmode: [BOARDSPECIFIC] mode of ecc, see defines - * @chip_delay: [BOARDSPECIFIC] chip dependent delay for transfering data from array to read regs (tR) - * @options: [BOARDSPECIFIC] various chip options. They can partly be set to inform nand_scan about - * special functionality. See the defines for further explanation -*/ -/* - * This routine initializes controller and GPIOs. - */ -int board_nand_init(struct nand_chip *nand) -{ - unsigned int value; - - nand->ecc.mode = NAND_ECC_SOFT; - nand->cmd_ctrl = kb9202_nand_hwcontrol; - nand->dev_ready = kb9202_nand_ready; - - /* in case running outside of bootloader */ - writel(1 << AT91C_ID_PIOC, AT91C_PMC_PCER); - - /* setup nand flash access (allow ample margin) */ - /* 4 wait states, 1 setup, 1 hold, 1 float for 8-bit device */ - writel(AT91C_SMC2_WSEN | KB9202_SMC2_NWS | KB9202_SMC2_TDF | - AT91C_SMC2_DBW_8 | KB9202_SMC2_RWSETUP | KB9202_SMC2_RWHOLD, - AT91C_SMC_CSR3); - - /* enable internal NAND controller */ - value = readl(AT91C_EBI_CSA); - value |= AT91C_EBI_CS3A_SMC_SmartMedia; - writel(value, AT91C_EBI_CSA); - - /* enable SMOE/SMWE */ - writel(AT91C_PC1_BFRDY_SMOE | AT91C_PC3_BFBAA_SMWE, AT91C_PIOC_ASR); - writel(AT91C_PC1_BFRDY_SMOE | AT91C_PC3_BFBAA_SMWE, AT91C_PIOC_PDR); - writel(AT91C_PC1_BFRDY_SMOE | AT91C_PC3_BFBAA_SMWE, AT91C_PIOC_OER); - - /* set NCE to high */ - writel(KB9202_NAND_NCE, AT91C_PIOC_SODR); - - /* disable output on pin connected to the busy line of the NAND */ - writel(KB9202_NAND_BUSY, AT91C_PIOC_ODR); - - /* enable the PIO to control NCE and BUSY */ - writel(KB9202_NAND_NCE | KB9202_NAND_BUSY, AT91C_PIOC_PER); - - /* enable output for NCE */ - writel(KB9202_NAND_NCE, AT91C_PIOC_OER); - - return (0); -} diff --git a/drivers/mtd/nand/raw/nand_bbt.c b/drivers/mtd/nand/raw/nand_bbt.c index 911472e91e..cd451870a6 100644 --- a/drivers/mtd/nand/raw/nand_bbt.c +++ b/drivers/mtd/nand/raw/nand_bbt.c @@ -1330,6 +1330,7 @@ int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs) * @mtd: MTD device structure * @offs: offset in the device * @allowbbt: allow access to bad block table region + * Return: 0 - good block, 1- bad block, 2 - reserved block */ int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt) { @@ -1348,7 +1349,7 @@ int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt) case BBT_BLOCK_WORN: return 1; case BBT_BLOCK_RESERVED: - return allowbbt ? 0 : 1; + return allowbbt ? 0 : 2; } return 1; } diff --git a/drivers/mtd/nand/raw/nand_util.c b/drivers/mtd/nand/raw/nand_util.c index b2345dca7f..72cc24f403 100644 --- a/drivers/mtd/nand/raw/nand_util.c +++ b/drivers/mtd/nand/raw/nand_util.c @@ -113,9 +113,10 @@ int nand_erase_opts(struct mtd_info *mtd, int ret = mtd_block_isbad(mtd, erase.addr); if (ret > 0) { if (!opts->quiet) - printf("\rSkipping bad block at " + printf("\rSkipping %s at " "0x%08llx " " \n", + ret == 1 ? "bad block" : "bbt reserved", erase.addr); if (!opts->spread) diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index 134bf22c80..70d8ae531e 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -979,8 +979,9 @@ static int spinand_detect(struct spinand_device *spinand) ret = spinand_manufacturer_detect(spinand); if (ret) { - dev_err(spinand->slave->dev, "unknown raw ID %*phN\n", - SPINAND_MAX_ID_LEN, spinand->id.data); + dev_err(spinand->slave->dev, "unknown raw ID %02x %02x %02x %02x\n", + spinand->id.data[0], spinand->id.data[1], + spinand->id.data[2], spinand->id.data[3]); return ret; } |