diff options
Diffstat (limited to 'drivers/mtd')
-rw-r--r-- | drivers/mtd/cfi_flash.c | 37 | ||||
-rw-r--r-- | drivers/mtd/nand/mxc_nand.c | 337 | ||||
-rw-r--r-- | drivers/mtd/nand/nand_base.c | 10 | ||||
-rw-r--r-- | drivers/mtd/nand/nand_util.c | 26 | ||||
-rw-r--r-- | drivers/mtd/spi/spi_spl_load.c | 23 |
5 files changed, 158 insertions, 275 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index f0f301a460..43140f3647 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -1077,7 +1077,38 @@ int flash_erase (flash_info_t * info, int s_first, int s_last) for (sect = s_first; sect <= s_last; sect++) { + if (ctrlc()) { + printf("\n"); + return 1; + } + if (info->protect[sect] == 0) { /* not protected */ +#ifdef CONFIG_SYS_FLASH_CHECK_BLANK_BEFORE_ERASE + int k; + int size; + int erased; + u32 *flash; + + /* + * Check if whole sector is erased + */ + size = flash_sector_size(info, sect); + erased = 1; + flash = (u32 *)info->start[sect]; + /* divide by 4 for longword access */ + size = size >> 2; + for (k = 0; k < size; k++) { + if (flash_read32(flash++) != 0xffffffff) { + erased = 0; + break; + } + } + if (erased) { + if (flash_verbose) + putc(','); + continue; + } +#endif switch (info->vendor) { case CFI_CMDSET_INTEL_PROG_REGIONS: case CFI_CMDSET_INTEL_STANDARD: @@ -1353,6 +1384,9 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) src += i; cnt -= i; FLASH_SHOW_PROGRESS(scale, dots, digit, i); + /* Only check every once in a while */ + if ((cnt & 0xFFFF) < buffered_size && ctrlc()) + return ERR_ABORTED; } #else while (cnt >= info->portwidth) { @@ -1365,6 +1399,9 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) wp += info->portwidth; cnt -= info->portwidth; FLASH_SHOW_PROGRESS(scale, dots, digit, info->portwidth); + /* Only check every once in a while */ + if ((cnt & 0xFFFF) < info->portwidth && ctrlc()) + return ERR_ABORTED; } #endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */ diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 936186f75e..d0ded483e2 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -25,168 +25,23 @@ #if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX35) #include <asm/arch/imx-regs.h> #endif +#include <fsl_nfc.h> #define DRIVER_NAME "mxc_nand" -/* - * TODO: Use same register defs here as nand_spl mxc nand driver. - */ -/* - * Register map and bit definitions for the Freescale NAND Flash Controller - * present in various i.MX devices. - * - * MX31 and MX27 have version 1 which has - * 4 512 byte main buffers and - * 4 16 byte spare buffers - * to support up to 2K byte pagesize nand. - * Reading or writing a 2K page requires 4 FDI/FDO cycles. - * - * MX25 has version 1.1 which has - * 8 512 byte main buffers and - * 8 64 byte spare buffers - * to support up to 4K byte pagesize nand. - * Reading or writing a 2K or 4K page requires only 1 FDI/FDO cycle. - * Also some of registers are moved and/or changed meaning as seen below. - */ -#if defined(CONFIG_MX31) || defined(CONFIG_MX27) -#define MXC_NFC_V1 -#elif defined(CONFIG_MX25) || defined(CONFIG_MX35) -#define MXC_NFC_V1_1 -#else -#warning "MXC NFC version not defined" -#endif - -#if defined(MXC_NFC_V1) -#define NAND_MXC_NR_BUFS 4 -#define NAND_MXC_SPARE_BUF_SIZE 16 -#define NAND_MXC_REG_OFFSET 0xe00 -#define is_mxc_nfc_11() 0 -#elif defined(MXC_NFC_V1_1) -#define NAND_MXC_NR_BUFS 8 -#define NAND_MXC_SPARE_BUF_SIZE 64 -#define NAND_MXC_REG_OFFSET 0x1e00 -#define is_mxc_nfc_11() 1 -#else -#error "define CONFIG_NAND_MXC_VXXX to use mtd mxc nand driver" -#endif -struct nfc_regs { - uint8_t main_area[NAND_MXC_NR_BUFS][0x200]; - uint8_t spare_area[NAND_MXC_NR_BUFS][NAND_MXC_SPARE_BUF_SIZE]; - /* - * reserved size is offset of nfc registers - * minus total main and spare sizes - */ - uint8_t reserved1[NAND_MXC_REG_OFFSET - - NAND_MXC_NR_BUFS * (512 + NAND_MXC_SPARE_BUF_SIZE)]; -#if defined(MXC_NFC_V1) - uint16_t nfc_buf_size; - uint16_t reserved2; - uint16_t nfc_buf_addr; - uint16_t nfc_flash_addr; - uint16_t nfc_flash_cmd; - uint16_t nfc_config; - uint16_t nfc_ecc_status_result; - uint16_t nfc_rsltmain_area; - uint16_t nfc_rsltspare_area; - uint16_t nfc_wrprot; - uint16_t nfc_unlockstart_blkaddr; - uint16_t nfc_unlockend_blkaddr; - uint16_t nfc_nf_wrprst; - uint16_t nfc_config1; - uint16_t nfc_config2; -#elif defined(MXC_NFC_V1_1) - uint16_t reserved2[2]; - uint16_t nfc_buf_addr; - uint16_t nfc_flash_addr; - uint16_t nfc_flash_cmd; - uint16_t nfc_config; - uint16_t nfc_ecc_status_result; - uint16_t nfc_ecc_status_result2; - uint16_t nfc_spare_area_size; - uint16_t nfc_wrprot; - uint16_t reserved3[2]; - uint16_t nfc_nf_wrprst; - uint16_t nfc_config1; - uint16_t nfc_config2; - uint16_t reserved4; - uint16_t nfc_unlockstart_blkaddr; - uint16_t nfc_unlockend_blkaddr; - uint16_t nfc_unlockstart_blkaddr1; - uint16_t nfc_unlockend_blkaddr1; - uint16_t nfc_unlockstart_blkaddr2; - uint16_t nfc_unlockend_blkaddr2; - uint16_t nfc_unlockstart_blkaddr3; - uint16_t nfc_unlockend_blkaddr3; -#endif -}; - -/* - * Set INT to 0, FCMD to 1, rest to 0 in NFC_CONFIG2 Register - * for Command operation - */ -#define NFC_CMD 0x1 - -/* - * Set INT to 0, FADD to 1, rest to 0 in NFC_CONFIG2 Register - * for Address operation - */ -#define NFC_ADDR 0x2 - -/* - * Set INT to 0, FDI to 1, rest to 0 in NFC_CONFIG2 Register - * for Input operation - */ -#define NFC_INPUT 0x4 - -/* - * Set INT to 0, FDO to 001, rest to 0 in NFC_CONFIG2 Register - * for Data Output operation - */ -#define NFC_OUTPUT 0x8 - -/* - * Set INT to 0, FD0 to 010, rest to 0 in NFC_CONFIG2 Register - * for Read ID operation - */ -#define NFC_ID 0x10 - -/* - * Set INT to 0, FDO to 100, rest to 0 in NFC_CONFIG2 Register - * for Read Status operation - */ -#define NFC_STATUS 0x20 - -/* - * Set INT to 1, rest to 0 in NFC_CONFIG2 Register for Read - * Status operation - */ -#define NFC_INT 0x8000 - -#ifdef MXC_NFC_V1_1 -#define NFC_4_8N_ECC (1 << 0) -#else -#define NFC_4_8N_ECC 0 -#endif -#define NFC_SP_EN (1 << 2) -#define NFC_ECC_EN (1 << 3) -#define NFC_BIG (1 << 5) -#define NFC_RST (1 << 6) -#define NFC_CE (1 << 7) -#define NFC_ONE_CYCLE (1 << 8) - typedef enum {false, true} bool; struct mxc_nand_host { - struct mtd_info mtd; - struct nand_chip *nand; - - struct nfc_regs __iomem *regs; - int spare_only; - int status_request; - int pagesize_2k; - int clk_act; - uint16_t col_addr; - unsigned int page_addr; + struct mtd_info mtd; + struct nand_chip *nand; + + struct fsl_nfc_regs __iomem *regs; + int spare_only; + int status_request; + int pagesize_2k; + int clk_act; + uint16_t col_addr; + unsigned int page_addr; }; static struct mxc_nand_host mxc_host; @@ -222,7 +77,7 @@ static struct nand_ecclayout nand_hw_eccoob2k = { .oobfree = { {2, 4}, {11, 11}, {27, 11}, {43, 11}, {59, 5} }, }; #endif -#elif defined(MXC_NFC_V1_1) +#elif defined(MXC_NFC_V2_1) #ifndef CONFIG_SYS_NAND_LARGEPAGE static struct nand_ecclayout nand_hw_eccoob = { .eccbytes = 9, @@ -268,8 +123,7 @@ static int is_16bit_nand(void) #elif defined(CONFIG_MX25) || defined(CONFIG_MX35) static int is_16bit_nand(void) { - struct ccm_regs *ccm = - (struct ccm_regs *)IMX_CCM_BASE; + struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE; if (readl(&ccm->rcsr) & CCM_RCSR_NF_16BIT_SEL) return 1; @@ -304,10 +158,10 @@ static void wait_op_done(struct mxc_nand_host *host, int max_retries, uint32_t tmp; while (max_retries-- > 0) { - if (readw(&host->regs->nfc_config2) & NFC_INT) { - tmp = readw(&host->regs->nfc_config2); + if (readw(&host->regs->config2) & NFC_INT) { + tmp = readw(&host->regs->config2); tmp &= ~NFC_INT; - writew(tmp, &host->regs->nfc_config2); + writew(tmp, &host->regs->config2); break; } udelay(1); @@ -326,8 +180,8 @@ static void send_cmd(struct mxc_nand_host *host, uint16_t cmd) { MTDDEBUG(MTD_DEBUG_LEVEL3, "send_cmd(host, 0x%x)\n", cmd); - writew(cmd, &host->regs->nfc_flash_cmd); - writew(NFC_CMD, &host->regs->nfc_config2); + writew(cmd, &host->regs->flash_cmd); + writew(NFC_CMD, &host->regs->config2); /* Wait for operation to complete */ wait_op_done(host, TROP_US_DELAY, cmd); @@ -342,8 +196,8 @@ static void send_addr(struct mxc_nand_host *host, uint16_t addr) { MTDDEBUG(MTD_DEBUG_LEVEL3, "send_addr(host, 0x%x)\n", addr); - writew(addr, &host->regs->nfc_flash_addr); - writew(NFC_ADDR, &host->regs->nfc_config2); + writew(addr, &host->regs->flash_addr); + writew(NFC_ADDR, &host->regs->config2); /* Wait for operation to complete */ wait_op_done(host, TROP_US_DELAY, addr); @@ -359,7 +213,7 @@ static void send_prog_page(struct mxc_nand_host *host, uint8_t buf_id, if (spare_only) MTDDEBUG(MTD_DEBUG_LEVEL1, "send_prog_page (%d)\n", spare_only); - if (is_mxc_nfc_11()) { + if (is_mxc_nfc_21()) { int i; /* * The controller copies the 64 bytes of spare data from @@ -375,19 +229,19 @@ static void send_prog_page(struct mxc_nand_host *host, uint8_t buf_id, } } - writew(buf_id, &host->regs->nfc_buf_addr); + writew(buf_id, &host->regs->buf_addr); /* Configure spare or page+spare access */ if (!host->pagesize_2k) { - uint16_t config1 = readw(&host->regs->nfc_config1); + uint16_t config1 = readw(&host->regs->config1); if (spare_only) config1 |= NFC_SP_EN; else - config1 &= ~(NFC_SP_EN); - writew(config1, &host->regs->nfc_config1); + config1 &= ~NFC_SP_EN; + writew(config1, &host->regs->config1); } - writew(NFC_INPUT, &host->regs->nfc_config2); + writew(NFC_INPUT, &host->regs->config2); /* Wait for operation to complete */ wait_op_done(host, TROP_US_DELAY, spare_only); @@ -402,24 +256,24 @@ static void send_read_page(struct mxc_nand_host *host, uint8_t buf_id, { MTDDEBUG(MTD_DEBUG_LEVEL3, "send_read_page (%d)\n", spare_only); - writew(buf_id, &host->regs->nfc_buf_addr); + writew(buf_id, &host->regs->buf_addr); /* Configure spare or page+spare access */ if (!host->pagesize_2k) { - uint32_t config1 = readw(&host->regs->nfc_config1); + uint32_t config1 = readw(&host->regs->config1); if (spare_only) config1 |= NFC_SP_EN; else config1 &= ~NFC_SP_EN; - writew(config1, &host->regs->nfc_config1); + writew(config1, &host->regs->config1); } - writew(NFC_OUTPUT, &host->regs->nfc_config2); + writew(NFC_OUTPUT, &host->regs->config2); /* Wait for operation to complete */ wait_op_done(host, TROP_US_DELAY, spare_only); - if (is_mxc_nfc_11()) { + if (is_mxc_nfc_21()) { int i; /* @@ -442,14 +296,14 @@ static void send_read_id(struct mxc_nand_host *host) uint16_t tmp; /* NANDFC buffer 0 is used for device ID output */ - writew(0x0, &host->regs->nfc_buf_addr); + writew(0x0, &host->regs->buf_addr); /* Read ID into main buffer */ - tmp = readw(&host->regs->nfc_config1); + tmp = readw(&host->regs->config1); tmp &= ~NFC_SP_EN; - writew(tmp, &host->regs->nfc_config1); + writew(tmp, &host->regs->config1); - writew(NFC_ID, &host->regs->nfc_config2); + writew(NFC_ID, &host->regs->config2); /* Wait for operation to complete */ wait_op_done(host, TROP_US_DELAY, 0); @@ -469,14 +323,14 @@ static uint16_t get_dev_status(struct mxc_nand_host *host) /* store the main area1 first word, later do recovery */ store = readl(main_buf); /* NANDFC buffer 1 is used for device status */ - writew(1, &host->regs->nfc_buf_addr); + writew(1, &host->regs->buf_addr); /* Read status into main buffer */ - tmp = readw(&host->regs->nfc_config1); + tmp = readw(&host->regs->config1); tmp &= ~NFC_SP_EN; - writew(tmp, &host->regs->nfc_config1); + writew(tmp, &host->regs->config1); - writew(NFC_STATUS, &host->regs->nfc_config2); + writew(NFC_STATUS, &host->regs->config2); /* Wait for operation to complete */ wait_op_done(host, TROP_US_DELAY, 0); @@ -501,29 +355,29 @@ static int mxc_nand_dev_ready(struct mtd_info *mtd) return 1; } -#ifdef CONFIG_MXC_NAND_HWECC -static void mxc_nand_enable_hwecc(struct mtd_info *mtd, int mode) -{ - /* - * If HW ECC is enabled, we turn it on during init. There is - * no need to enable again here. - */ -} - -#ifdef MXC_NFC_V1_1 static void _mxc_nand_enable_hwecc(struct mtd_info *mtd, int on) { struct nand_chip *nand_chip = mtd->priv; struct mxc_nand_host *host = nand_chip->priv; - uint16_t tmp = readw(&host->regs->nfc_config1); + uint16_t tmp = readw(&host->regs->config1); if (on) tmp |= NFC_ECC_EN; else tmp &= ~NFC_ECC_EN; - writew(tmp, &host->regs->nfc_config1); + writew(tmp, &host->regs->config1); +} + +#ifdef CONFIG_MXC_NAND_HWECC +static void mxc_nand_enable_hwecc(struct mtd_info *mtd, int mode) +{ + /* + * If HW ECC is enabled, we turn it on during init. There is + * no need to enable again here. + */ } +#ifdef MXC_NFC_V2_1 static int mxc_nand_read_oob_syndrome(struct mtd_info *mtd, struct nand_chip *chip, int page, int sndcmd) @@ -616,7 +470,7 @@ static int mxc_nand_read_page_raw_syndrome(struct mtd_info *mtd, size = mtd->oobsize - (oob - chip->oob_poi); if (size) chip->read_buf(mtd, oob, size); - _mxc_nand_enable_hwecc(mtd, 0); + _mxc_nand_enable_hwecc(mtd, 1); return 0; } @@ -799,7 +653,7 @@ static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat, { struct nand_chip *nand_chip = mtd->priv; struct mxc_nand_host *host = nand_chip->priv; - uint16_t ecc_status = readw(&host->regs->nfc_ecc_status_result); + uint32_t ecc_status = readl(&host->regs->ecc_status_result); int subpages = mtd->writesize / nand_chip->subpagesize; int pg2blk_shift = nand_chip->phys_erase_shift - nand_chip->page_shift; @@ -832,7 +686,6 @@ static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat, #define mxc_nand_write_page_syndrome NULL #define mxc_nand_write_page_raw_syndrome NULL #define mxc_nand_write_oob_syndrome NULL -#define mxc_nfc_11_nand_correct_data NULL static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc) @@ -845,7 +698,7 @@ static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat, * additional correction. 2-Bit errors cannot be corrected by * HW ECC, so we need to return failure */ - uint16_t ecc_status = readw(&host->regs->nfc_ecc_status_result); + uint16_t ecc_status = readw(&host->regs->ecc_status_result); if (((ecc_status & 0x3) == 2) || ((ecc_status >> 2) == 2)) { MTDDEBUG(MTD_DEBUG_LEVEL0, @@ -1208,7 +1061,7 @@ void mxc_nand_command(struct mtd_info *mtd, unsigned command, case NAND_CMD_PAGEPROG: send_prog_page(host, 0, host->spare_only); - if (host->pagesize_2k && !is_mxc_nfc_11()) { + if (host->pagesize_2k && is_mxc_nfc_1()) { /* data in 4 areas */ send_prog_page(host, 1, host->spare_only); send_prog_page(host, 2, host->spare_only); @@ -1258,7 +1111,7 @@ void mxc_nand_command(struct mtd_info *mtd, unsigned command, send_cmd(host, NAND_CMD_READSTART); /* read for each AREA */ send_read_page(host, 0, host->spare_only); - if (!is_mxc_nfc_11()) { + if (is_mxc_nfc_1()) { send_read_page(host, 1, host->spare_only); send_read_page(host, 2, host->spare_only); send_read_page(host, 3, host->spare_only); @@ -1284,24 +1137,6 @@ void mxc_nand_command(struct mtd_info *mtd, unsigned command, } } -#ifdef MXC_NFC_V1_1 -static void mxc_setup_config1(void) -{ - uint16_t tmp; - - tmp = readw(&host->regs->nfc_config1); - tmp |= NFC_ONE_CYCLE; - tmp |= NFC_4_8N_ECC; - writew(tmp, &host->regs->nfc_config1); - if (host->pagesize_2k) - writew(64/2, &host->regs->nfc_spare_area_size); - else - writew(16/2, &host->regs->nfc_spare_area_size); -} -#else -#define mxc_setup_config1() -#endif - #ifdef CONFIG_SYS_NAND_USE_FLASH_BBT static u8 bbt_pattern[] = {'B', 'b', 't', '0' }; @@ -1332,8 +1167,9 @@ static struct nand_bbt_descr bbt_mirror_descr = { int board_nand_init(struct nand_chip *this) { struct mtd_info *mtd; +#ifdef MXC_NFC_V2_1 uint16_t tmp; - int err = 0; +#endif #ifdef CONFIG_SYS_NAND_USE_FLASH_BBT this->options |= NAND_USE_FLASH_BBT; @@ -1359,14 +1195,14 @@ int board_nand_init(struct nand_chip *this) this->read_buf = mxc_nand_read_buf; this->verify_buf = mxc_nand_verify_buf; - host->regs = (struct nfc_regs __iomem *)CONFIG_MXC_NAND_REGS_BASE; + host->regs = (struct fsl_nfc_regs __iomem *)CONFIG_MXC_NAND_REGS_BASE; host->clk_act = 1; #ifdef CONFIG_MXC_NAND_HWECC this->ecc.calculate = mxc_nand_calculate_ecc; this->ecc.hwctl = mxc_nand_enable_hwecc; this->ecc.correct = mxc_nand_correct_data; - if (is_mxc_nfc_11()) { + if (is_mxc_nfc_21()) { this->ecc.mode = NAND_ECC_HW_SYNDROME; this->ecc.read_page = mxc_nand_read_page_syndrome; this->ecc.read_page_raw = mxc_nand_read_page_raw_syndrome; @@ -1383,27 +1219,46 @@ int board_nand_init(struct nand_chip *this) host->pagesize_2k = 0; this->ecc.size = 512; - tmp = readw(&host->regs->nfc_config1); - tmp |= NFC_ECC_EN; - writew(tmp, &host->regs->nfc_config1); + _mxc_nand_enable_hwecc(mtd, 1); #else this->ecc.layout = &nand_soft_eccoob; this->ecc.mode = NAND_ECC_SOFT; - tmp = readw(&host->regs->nfc_config1); - tmp &= ~NFC_ECC_EN; - writew(tmp, &host->regs->nfc_config1); + _mxc_nand_enable_hwecc(mtd, 0); #endif /* Reset NAND */ this->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); + /* NAND bus width determines access functions used by upper layer */ + if (is_16bit_nand()) + this->options |= NAND_BUSWIDTH_16; + +#ifdef CONFIG_SYS_NAND_LARGEPAGE + host->pagesize_2k = 1; + this->ecc.layout = &nand_hw_eccoob2k; +#else + host->pagesize_2k = 0; + this->ecc.layout = &nand_hw_eccoob; +#endif + +#ifdef MXC_NFC_V2_1 + tmp = readw(&host->regs->config1); + tmp |= NFC_ONE_CYCLE; + tmp |= NFC_4_8N_ECC; + writew(tmp, &host->regs->config1); + if (host->pagesize_2k) + writew(64/2, &host->regs->spare_area_size); + else + writew(16/2, &host->regs->spare_area_size); +#endif + /* * preset operation * Unlock the internal RAM Buffer */ - writew(0x2, &host->regs->nfc_config); + writew(0x2, &host->regs->config); /* Blocks to be unlocked */ - writew(0x0, &host->regs->nfc_unlockstart_blkaddr); + writew(0x0, &host->regs->unlockstart_blkaddr); /* Originally (Freescale LTIB 2.6.21) 0x4000 was written to the * unlockend_blkaddr, but the magic 0x4000 does not always work * when writing more than some 32 megabytes (on 2k page nands) @@ -1415,22 +1270,10 @@ int board_nand_init(struct nand_chip *this) * This might be NAND chip specific and the i.MX31 datasheet is * extremely vague about the semantics of this register. */ - writew(0xFFFF, &host->regs->nfc_unlockend_blkaddr); + writew(0xFFFF, &host->regs->unlockend_blkaddr); /* Unlock Block Command for given address range */ - writew(0x4, &host->regs->nfc_wrprot); + writew(0x4, &host->regs->wrprot); - /* NAND bus width determines access functions used by upper layer */ - if (is_16bit_nand()) - this->options |= NAND_BUSWIDTH_16; - -#ifdef CONFIG_SYS_NAND_LARGEPAGE - host->pagesize_2k = 1; - this->ecc.layout = &nand_hw_eccoob2k; -#else - host->pagesize_2k = 0; - this->ecc.layout = &nand_hw_eccoob; -#endif - mxc_setup_config1(); - return err; + return 0; } diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 891af1f2ea..71f5027889 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2573,14 +2573,13 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, mtd->writesize = le32_to_cpu(p->byte_per_page); mtd->erasesize = le32_to_cpu(p->pages_per_block) * mtd->writesize; mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page); - chip->chipsize = (uint64_t)le32_to_cpu(p->blocks_per_lun) * mtd->erasesize; + chip->chipsize = le32_to_cpu(p->blocks_per_lun); + chip->chipsize *= (uint64_t)mtd->erasesize * p->lun_count; *busw = 0; if (le16_to_cpu(p->features) & 1) *busw = NAND_BUSWIDTH_16; - chip->options &= ~NAND_CHIPOPTIONS_MSK; - chip->options |= (NAND_NO_READRDY | - NAND_NO_AUTOINCR) & NAND_CHIPOPTIONS_MSK; + chip->options |= NAND_NO_READRDY | NAND_NO_AUTOINCR; return 1; } @@ -2752,8 +2751,7 @@ static const struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, } } /* Get chip options, preserve non chip based options */ - chip->options &= ~NAND_CHIPOPTIONS_MSK; - chip->options |= type->options & NAND_CHIPOPTIONS_MSK; + chip->options |= type->options; /* Check if chip is a not a samsung device. Do not clear the * options for chips which are not having an extended id. diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c index 7ed8b1891c..c4752a7cbf 100644 --- a/drivers/mtd/nand/nand_util.c +++ b/drivers/mtd/nand/nand_util.c @@ -207,12 +207,6 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts) * Support for locking / unlocking operations of some NAND devices *****************************************************************************/ -#define NAND_CMD_LOCK 0x2a -#define NAND_CMD_LOCK_TIGHT 0x2c -#define NAND_CMD_UNLOCK1 0x23 -#define NAND_CMD_UNLOCK2 0x24 -#define NAND_CMD_LOCK_STATUS 0x7a - /** * nand_lock: Set all pages of NAND flash chip to the LOCK or LOCK-TIGHT * state @@ -271,7 +265,6 @@ int nand_lock(struct mtd_info *mtd, int tight) * >0 lock status: * bitfield with the following combinations: * NAND_LOCK_STATUS_TIGHT: page in tight state - * NAND_LOCK_STATUS_LOCK: page locked * NAND_LOCK_STATUS_UNLOCK: page unlocked * */ @@ -300,7 +293,6 @@ int nand_get_lock_status(struct mtd_info *mtd, loff_t offset) chip->cmdfunc(mtd, NAND_CMD_LOCK_STATUS, -1, page & chip->pagemask); ret = chip->read_byte(mtd) & (NAND_LOCK_STATUS_TIGHT - | NAND_LOCK_STATUS_LOCK | NAND_LOCK_STATUS_UNLOCK); out: @@ -317,18 +309,21 @@ int nand_get_lock_status(struct mtd_info *mtd, loff_t offset) * @param start start byte address * @param length number of bytes to unlock (must be a multiple of * page size nand->writesize) + * @param allexcept if set, unlock everything not selected * * @return 0 on success, -1 in case of error */ -int nand_unlock(struct mtd_info *mtd, ulong start, ulong length) +int nand_unlock(struct mtd_info *mtd, loff_t start, size_t length, + int allexcept) { int ret = 0; int chipnr; int status; int page; struct nand_chip *chip = mtd->priv; - printf ("nand_unlock: start: %08x, length: %d!\n", - (int)start, (int)length); + + debug("nand_unlock%s: start: %08llx, length: %d!\n", + allexcept ? " (allexcept)" : "", start, length); /* select the NAND device */ chipnr = (int)(start >> chip->chip_shift); @@ -368,6 +363,15 @@ int nand_unlock(struct mtd_info *mtd, ulong start, ulong length) /* submit ADDRESS of LAST page to unlock */ page += (int)(length >> chip->page_shift); + + /* + * Page addresses for unlocking are supposed to be block-aligned. + * At least some NAND chips use the low bit to indicate that the + * page range should be inverted. + */ + if (allexcept) + page |= 1; + chip->cmdfunc(mtd, NAND_CMD_UNLOCK2, -1, page & chip->pagemask); /* call wait ready function */ diff --git a/drivers/mtd/spi/spi_spl_load.c b/drivers/mtd/spi/spi_spl_load.c index 1aa30aca7e..d4f81f24ad 100644 --- a/drivers/mtd/spi/spi_spl_load.c +++ b/drivers/mtd/spi/spi_spl_load.c @@ -24,16 +24,17 @@ #include <common.h> #include <spi_flash.h> +#include <spl.h> /* * The main entry for SPI booting. It's necessary that SDRAM is already * configured and available since this code loads the main U-Boot image * from SPI into SDRAM and starts it from there. */ -void spi_boot(void) +void spl_spi_load_image(void) { struct spi_flash *flash; - void (*uboot)(void) __noreturn; + struct image_header *header; /* * Load U-Boot image from SPI flash into RAM @@ -42,17 +43,17 @@ void spi_boot(void) flash = spi_flash_probe(CONFIG_SPL_SPI_BUS, CONFIG_SPL_SPI_CS, CONFIG_SF_DEFAULT_SPEED, SPI_MODE_3); if (!flash) { - puts("failed.\n"); + puts("SPI probe failed.\n"); hang(); } - spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, - CONFIG_SYS_SPI_U_BOOT_SIZE, - (void *) CONFIG_SYS_TEXT_BASE); + /* use CONFIG_SYS_TEXT_BASE as temporary storage area */ + header = (struct image_header *)(CONFIG_SYS_TEXT_BASE); - /* - * Jump to U-Boot image - */ - uboot = (void *) CONFIG_SYS_TEXT_BASE; - (*uboot)(); + /* Load u-boot, mkimage header is 64 bytes. */ + spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40, + (void *) header); + spl_parse_image_header(header); + spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, + spl_image.size, (void *)spl_image.load_addr); } |