@@ -29,7 +29,7 @@
MODULE_LICENSE("GPL");
-/* We define a module parameter that allows the user to override
+/* We define a module parameter that allows the user to override
* the hardware and decide what timing mode should be used.
*/
#define NAND_DEFAULT_TIMINGS -1
@@ -54,13 +54,13 @@ MODULE_PARM_DESC(onfi_timing_mode, "Overrides default ONFI setting. -1 indicates
INTR_STATUS0__RST_COMP | \
INTR_STATUS0__ERASE_COMP)
-/* indicates whether or not the internal value for the flash bank is
+/* indicates whether or not the internal value for the flash bank is
valid or not */
-#define CHIP_SELECT_INVALID -1
+#define CHIP_SELECT_INVALID -1
#define SUPPORT_8BITECC 1
-/* This macro divides two integers and rounds fractional values up
+/* This macro divides two integers and rounds fractional values up
* to the nearest integer value. */
#define CEIL_DIV(X, Y) (((X)%(Y)) ? ((X)/(Y)+1) : ((X)/(Y)))
@@ -83,7 +83,7 @@ MODULE_PARM_DESC(onfi_timing_mode, "Overrides default ONFI setting. -1 indicates
#define ADDR_CYCLE 1
#define STATUS_CYCLE 2
-/* this is a helper macro that allows us to
+/* this is a helper macro that allows us to
* format the bank into the proper bits for the controller */
#define BANK(x) ((x) << 24)
@@ -95,28 +95,28 @@ static const struct pci_device_id denali_pci_ids[] = {
};
-/* these are static lookup tables that give us easy access to
- registers in the NAND controller.
+/* these are static lookup tables that give us easy access to
+ registers in the NAND controller.
*/
-static const uint32_t intr_status_addresses[4] = {INTR_STATUS0,
- INTR_STATUS1,
- INTR_STATUS2,
+static const uint32_t intr_status_addresses[4] = {INTR_STATUS0,
+ INTR_STATUS1,
+ INTR_STATUS2,
INTR_STATUS3};
static const uint32_t device_reset_banks[4] = {DEVICE_RESET__BANK0,
- DEVICE_RESET__BANK1,
- DEVICE_RESET__BANK2,
- DEVICE_RESET__BANK3};
+ DEVICE_RESET__BANK1,
+ DEVICE_RESET__BANK2,
+ DEVICE_RESET__BANK3};
static const uint32_t operation_timeout[4] = {INTR_STATUS0__TIME_OUT,
- INTR_STATUS1__TIME_OUT,
- INTR_STATUS2__TIME_OUT,
- INTR_STATUS3__TIME_OUT};
+ INTR_STATUS1__TIME_OUT,
+ INTR_STATUS2__TIME_OUT,
+ INTR_STATUS3__TIME_OUT};
static const uint32_t reset_complete[4] = {INTR_STATUS0__RST_COMP,
- INTR_STATUS1__RST_COMP,
- INTR_STATUS2__RST_COMP,
- INTR_STATUS3__RST_COMP};
+ INTR_STATUS1__RST_COMP,
+ INTR_STATUS2__RST_COMP,
+ INTR_STATUS3__RST_COMP};
/* specifies the debug level of the driver */
static int nand_debug_level = 0;
@@ -131,21 +131,21 @@ static uint32_t read_interrupt_status(struct denali_nand_info *denali);
/* This is a wrapper for writing to the denali registers.
* this allows us to create debug information so we can
- * observe how the driver is programming the device.
+ * observe how the driver is programming the device.
* it uses standard linux convention for (val, addr) */
static void denali_write32(uint32_t value, void *addr)
{
- iowrite32(value, addr);
+ iowrite32(value, addr);
#if DEBUG_DENALI
printk(KERN_ERR "wrote: 0x%x -> 0x%x\n", value, (uint32_t)((uint32_t)addr & 0x1fff));
#endif
-}
+}
-/* Certain operations for the denali NAND controller use an indexed mode to read/write
- data. The operation is performed by writing the address value of the command to
- the device memory followed by the data. This function abstracts this common
- operation.
+/* Certain operations for the denali NAND controller use an indexed mode to read/write
+ data. The operation is performed by writing the address value of the command to
+ the device memory followed by the data. This function abstracts this common
+ operation.
*/
static void index_addr(struct denali_nand_info *denali, uint32_t address, uint32_t data)
{
@@ -161,7 +161,7 @@ static void index_addr_read_data(struct denali_nand_info *denali,
*pdata = ioread32(denali->flash_mem + 0x10);
}
-/* We need to buffer some data for some of the NAND core routines.
+/* We need to buffer some data for some of the NAND core routines.
* The operations manage buffering that data. */
static void reset_buf(struct denali_nand_info *denali)
{
@@ -183,7 +183,7 @@ static void read_status(struct denali_nand_info *denali)
reset_buf(denali);
/* initiate a device status read */
- cmd = MODE_11 | BANK(denali->flash_bank);
+ cmd = MODE_11 | BANK(denali->flash_bank);
index_addr(denali, cmd | COMMAND_CYCLE, 0x70);
denali_write32(cmd | STATUS_CYCLE, denali->flash_mem);
@@ -199,7 +199,7 @@ static void read_status(struct denali_nand_info *denali)
static void reset_bank(struct denali_nand_info *denali)
{
uint32_t irq_status = 0;
- uint32_t irq_mask = reset_complete[denali->flash_bank] |
+ uint32_t irq_mask = reset_complete[denali->flash_bank] |
operation_timeout[denali->flash_bank];
int bank = 0;
@@ -209,7 +209,7 @@ static void reset_bank(struct denali_nand_info *denali)
denali_write32(bank, denali->flash_reg + DEVICE_RESET);
irq_status = wait_for_irq(denali, irq_mask);
-
+
if (irq_status & operation_timeout[denali->flash_bank])
{
printk(KERN_ERR "reset bank failed.\n");
@@ -610,7 +610,7 @@ static void get_hynix_nand_para(struct denali_nand_info *denali)
}
/* determines how many NAND chips are connected to the controller. Note for
- Intel CE4100 devices we don't support more than one device.
+ Intel CE4100 devices we don't support more than one device.
*/
static void find_valid_banks(struct denali_nand_info *denali)
{
@@ -641,8 +641,8 @@ static void find_valid_banks(struct denali_nand_info *denali)
{
/* Platform limitations of the CE4100 device limit
* users to a single chip solution for NAND.
- * Multichip support is not enabled.
- */
+ * Multichip support is not enabled.
+ */
if (denali->total_used_banks != 1)
{
printk(KERN_ERR "Sorry, Intel CE4100 only supports "
@@ -885,7 +885,7 @@ static uint16_t NAND_Read_Device_ID(struct denali_nand_info *denali)
dump_device_info(denali);
/* If the user specified to override the default timings
- * with a specific ONFI mode, we apply those changes here.
+ * with a specific ONFI mode, we apply those changes here.
*/
if (onfi_timing_mode != NAND_DEFAULT_TIMINGS)
{
@@ -912,7 +912,7 @@ static void NAND_LLD_Enable_Disable_Interrupts(struct denali_nand_info *denali,
*/
static inline bool is_flash_bank_valid(int flash_bank)
{
- return (flash_bank >= 0 && flash_bank < 4);
+ return (flash_bank >= 0 && flash_bank < 4);
}
static void denali_irq_init(struct denali_nand_info *denali)
@@ -948,7 +948,7 @@ static void denali_irq_enable(struct denali_nand_info *denali, uint32_t int_mask
}
/* This function only returns when an interrupt that this driver cares about
- * occurs. This is to reduce the overhead of servicing interrupts
+ * occurs. This is to reduce the overhead of servicing interrupts
*/
static inline uint32_t denali_irq_detected(struct denali_nand_info *denali)
{
@@ -1003,9 +1003,9 @@ static void print_irq_log(struct denali_nand_info *denali)
}
#endif
-/* This is the interrupt service routine. It handles all interrupts
- * sent to this device. Note that on CE4100, this is a shared
- * interrupt.
+/* This is the interrupt service routine. It handles all interrupts
+ * sent to this device. Note that on CE4100, this is a shared
+ * interrupt.
*/
static irqreturn_t denali_isr(int irq, void *dev_id)
{
@@ -1015,12 +1015,12 @@ static irqreturn_t denali_isr(int irq, void *dev_id)
spin_lock(&denali->irq_lock);
- /* check to see if a valid NAND chip has
- * been selected.
+ /* check to see if a valid NAND chip has
+ * been selected.
*/
if (is_flash_bank_valid(denali->flash_bank))
{
- /* check to see if controller generated
+ /* check to see if controller generated
* the interrupt, since this is a shared interrupt */
if ((irq_status = denali_irq_detected(denali)) != 0)
{
@@ -1078,10 +1078,10 @@ static uint32_t wait_for_irq(struct denali_nand_info *denali, uint32_t irq_mask)
/* our interrupt was detected */
break;
}
- else
+ else
{
- /* these are not the interrupts you are looking for -
- need to wait again */
+ /* these are not the interrupts you are looking for -
+ * need to wait again */
spin_unlock_irq(&denali->irq_lock);
#if DEBUG_DENALI
print_irq_log(denali);
@@ -1095,20 +1095,20 @@ static uint32_t wait_for_irq(struct denali_nand_info *denali, uint32_t irq_mask)
if (comp_res == 0)
{
/* timeout */
- printk(KERN_ERR "timeout occurred, status = 0x%x, mask = 0x%x\n",
- intr_status, irq_mask);
+ printk(KERN_ERR "timeout occurred, status = 0x%x, mask = 0x%x\n",
+ intr_status, irq_mask);
intr_status = 0;
}
return intr_status;
}
-/* This helper function setups the registers for ECC and whether or not
+/* This helper function setups the registers for ECC and whether or not
the spare area will be transfered. */
-static void setup_ecc_for_xfer(struct denali_nand_info *denali, bool ecc_en,
+static void setup_ecc_for_xfer(struct denali_nand_info *denali, bool ecc_en,
bool transfer_spare)
{
- int ecc_en_flag = 0, transfer_spare_flag = 0;
+ int ecc_en_flag = 0, transfer_spare_flag = 0;
/* set ECC, transfer spare bits if needed */
ecc_en_flag = ecc_en ? ECC_ENABLE__FLAG : 0;
@@ -1119,15 +1119,15 @@ static void setup_ecc_for_xfer(struct denali_nand_info *denali, bool ecc_en,
denali_write32(transfer_spare_flag, denali->flash_reg + TRANSFER_SPARE_REG);
}
-/* sends a pipeline command operation to the controller. See the Denali NAND
- controller's user guide for more information (section 4.2.3.6).
+/* sends a pipeline command operation to the controller. See the Denali NAND
+ controller's user guide for more information (section 4.2.3.6).
*/
-static int denali_send_pipeline_cmd(struct denali_nand_info *denali, bool ecc_en,
- bool transfer_spare, int access_type,
+static int denali_send_pipeline_cmd(struct denali_nand_info *denali, bool ecc_en,
+ bool transfer_spare, int access_type,
int op)
{
int status = PASS;
- uint32_t addr = 0x0, cmd = 0x0, page_count = 1, irq_status = 0,
+ uint32_t addr = 0x0, cmd = 0x0, page_count = 1, irq_status = 0,
irq_mask = 0;
if (op == DENALI_READ) irq_mask = INTR_STATUS0__LOAD_COMP;
@@ -1145,32 +1145,32 @@ static int denali_send_pipeline_cmd(struct denali_nand_info *denali, bool ecc_en
/* clear interrupts */
- clear_interrupts(denali);
+ clear_interrupts(denali);
addr = BANK(denali->flash_bank) | denali->page;
if (op == DENALI_WRITE && access_type != SPARE_ACCESS)
{
- cmd = MODE_01 | addr;
+ cmd = MODE_01 | addr;
denali_write32(cmd, denali->flash_mem);
}
else if (op == DENALI_WRITE && access_type == SPARE_ACCESS)
{
/* read spare area */
- cmd = MODE_10 | addr;
+ cmd = MODE_10 | addr;
index_addr(denali, (uint32_t)cmd, access_type);
- cmd = MODE_01 | addr;
+ cmd = MODE_01 | addr;
denali_write32(cmd, denali->flash_mem);
}
else if (op == DENALI_READ)
{
/* setup page read request for access type */
- cmd = MODE_10 | addr;
+ cmd = MODE_10 | addr;
index_addr(denali, (uint32_t)cmd, access_type);
/* page 33 of the NAND controller spec indicates we should not
- use the pipeline commands in Spare area only mode. So we
+ use the pipeline commands in Spare area only mode. So we
don't.
*/
if (access_type == SPARE_ACCESS)
@@ -1181,8 +1181,8 @@ static int denali_send_pipeline_cmd(struct denali_nand_info *denali, bool ecc_en
else
{
index_addr(denali, (uint32_t)cmd, 0x2000 | op | page_count);
-
- /* wait for command to be accepted
+
+ /* wait for command to be accepted
* can always use status0 bit as the mask is identical for each
* bank. */
irq_status = wait_for_irq(denali, irq_mask);
@@ -1204,13 +1204,13 @@ static int denali_send_pipeline_cmd(struct denali_nand_info *denali, bool ecc_en
}
/* helper function that simply writes a buffer to the flash */
-static int write_data_to_flash_mem(struct denali_nand_info *denali, const uint8_t *buf,
- int len)
+static int write_data_to_flash_mem(struct denali_nand_info *denali, const uint8_t *buf,
+ int len)
{
uint32_t i = 0, *buf32;
- /* verify that the len is a multiple of 4. see comment in
- * read_data_from_flash_mem() */
+ /* verify that the len is a multiple of 4. see comment in
+ * read_data_from_flash_mem() */
BUG_ON((len % 4) != 0);
/* write the data to the flash memory */
@@ -1219,21 +1219,20 @@ static int write_data_to_flash_mem(struct denali_nand_info *denali, const uint8_
{
denali_write32(*buf32++, denali->flash_mem + 0x10);
}
- return i*4; /* intent is to return the number of bytes read */
+ return i*4; /* intent is to return the number of bytes read */
}
/* helper function that simply reads a buffer from the flash */
-static int read_data_from_flash_mem(struct denali_nand_info *denali, uint8_t *buf,
+static int read_data_from_flash_mem(struct denali_nand_info *denali, uint8_t *buf,
int len)
{
uint32_t i = 0, *buf32;
/* we assume that len will be a multiple of 4, if not
* it would be nice to know about it ASAP rather than
- * have random failures...
- *
- * This assumption is based on the fact that this
- * function is designed to be used to read flash pages,
+ * have random failures...
+ * This assumption is based on the fact that this
+ * function is designed to be used to read flash pages,
* which are typically multiples of 4...
*/
@@ -1245,7 +1244,7 @@ static int read_data_from_flash_mem(struct denali_nand_info *denali, uint8_t *bu
{
*buf32++ = ioread32(denali->flash_mem + 0x10);
}
- return i*4; /* intent is to return the number of bytes read */
+ return i*4; /* intent is to return the number of bytes read */
}
/* writes OOB data to the device */
@@ -1253,14 +1252,14 @@ static int write_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
{
struct denali_nand_info *denali = mtd_to_denali(mtd);
uint32_t irq_status = 0;
- uint32_t irq_mask = INTR_STATUS0__PROGRAM_COMP |
+ uint32_t irq_mask = INTR_STATUS0__PROGRAM_COMP |
INTR_STATUS0__PROGRAM_FAIL;
int status = 0;
denali->page = page;
- if (denali_send_pipeline_cmd(denali, false, false, SPARE_ACCESS,
- DENALI_WRITE) == PASS)
+ if (denali_send_pipeline_cmd(denali, false, false, SPARE_ACCESS,
+ DENALI_WRITE) == PASS)
{
write_data_to_flash_mem(denali, buf, mtd->oobsize);
@@ -1271,7 +1270,7 @@ static int write_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
spin_unlock_irq(&denali->irq_lock);
#endif
-
+
/* wait for operation to complete */
irq_status = wait_for_irq(denali, irq_mask);
@@ -1281,10 +1280,10 @@ static int write_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
status = -EIO;
}
}
- else
- {
+ else
+ {
printk(KERN_ERR "unable to send pipeline command\n");
- status = -EIO;
+ status = -EIO;
}
return status;
}
@@ -1300,12 +1299,12 @@ static void read_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
#if DEBUG_DENALI
printk("read_oob %d\n", page);
#endif
- if (denali_send_pipeline_cmd(denali, false, true, SPARE_ACCESS,
- DENALI_READ) == PASS)
+ if (denali_send_pipeline_cmd(denali, false, true, SPARE_ACCESS,
+ DENALI_READ) == PASS)
{
- read_data_from_flash_mem(denali, buf, mtd->oobsize);
+ read_data_from_flash_mem(denali, buf, mtd->oobsize);
- /* wait for command to be accepted
+ /* wait for command to be accepted
* can always use status0 bit as the mask is identical for each
* bank. */
irq_status = wait_for_irq(denali, irq_mask);
@@ -1319,10 +1318,10 @@ static void read_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
* instability with the controller if you do a block erase
* and the last transaction was a SPARE_ACCESS. Block erase
* is reliable (according to the MTD test infrastructure)
- * if you are in MAIN_ACCESS.
+ * if you are in MAIN_ACCESS.
*/
addr = BANK(denali->flash_bank) | denali->page;
- cmd = MODE_10 | addr;
+ cmd = MODE_10 | addr;
index_addr(denali, (uint32_t)cmd, MAIN_ACCESS);
#if DEBUG_DENALI
@@ -1334,14 +1333,14 @@ static void read_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
}
}
-/* this function examines buffers to see if they contain data that
+/* this function examines buffers to see if they contain data that
* indicate that the buffer is part of an erased region of flash.
*/
bool is_erased(uint8_t *buf, int len)
{
int i = 0;
for (i = 0; i < len; i++)
- {
+ {
if (buf[i] != 0xFF)
{
return false;
@@ -1358,7 +1357,7 @@ bool is_erased(uint8_t *buf, int len)
#define ECC_ERR_DEVICE(x) ((x) & ERR_CORRECTION_INFO__DEVICE_NR >> 8)
#define ECC_LAST_ERR(x) ((x) & ERR_CORRECTION_INFO__LAST_ERR_INFO)
-static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf,
+static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf,
uint8_t *oobbuf, uint32_t irq_status)
{
bool check_erased_page = false;
@@ -1370,27 +1369,27 @@ static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf,
uint32_t err_byte = 0, err_sector = 0, err_device = 0;
uint32_t err_correction_value = 0;
- do
+ do
{
- err_address = ioread32(denali->flash_reg +
+ err_address = ioread32(denali->flash_reg +
ECC_ERROR_ADDRESS);
err_sector = ECC_SECTOR(err_address);
err_byte = ECC_BYTE(err_address);
- err_correction_info = ioread32(denali->flash_reg +
+ err_correction_info = ioread32(denali->flash_reg +
ERR_CORRECTION_INFO);
- err_correction_value =
+ err_correction_value =
ECC_CORRECTION_VALUE(err_correction_info);
err_device = ECC_ERR_DEVICE(err_correction_info);
if (ECC_ERROR_CORRECTABLE(err_correction_info))
{
/* offset in our buffer is computed as:
- sector number * sector size + offset in
+ sector number * sector size + offset in
sector
*/
- int offset = err_sector * ECC_SECTOR_SIZE +
+ int offset = err_sector * ECC_SECTOR_SIZE +
err_byte;
if (offset < denali->mtd.writesize)
{
@@ -1407,15 +1406,15 @@ static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf,
}
else
{
- /* if the error is not correctable, need to
+ /* if the error is not correctable, need to
* look at the page to see if it is an erased page.
- * if so, then it's not a real ECC error */
+ * if so, then it's not a real ECC error */
check_erased_page = true;
}
-#if DEBUG_DENALI
+#if DEBUG_DENALI
printk("Detected ECC error in page %d: err_addr = 0x%08x,"
- " info to fix is 0x%08x\n", denali->page, err_address,
+ " info to fix is 0x%08x\n", denali->page, err_address,
err_correction_info);
#endif
} while (!ECC_LAST_ERR(err_correction_info));
@@ -1458,9 +1457,9 @@ static void denali_setup_dma(struct denali_nand_info *denali, int op)
index_addr(denali, mode | 0x14000, 0x2400);
}
-/* writes a page. user specifies type, and this function handles the
+/* writes a page. user specifies type, and this function handles the
configuration details. */
-static void write_page(struct mtd_info *mtd, struct nand_chip *chip,
+static void write_page(struct mtd_info *mtd, struct nand_chip *chip,
const uint8_t *buf, bool raw_xfer)
{
struct denali_nand_info *denali = mtd_to_denali(mtd);
@@ -1470,7 +1469,7 @@ static void write_page(struct mtd_info *mtd, struct nand_chip *chip,
size_t size = denali->mtd.writesize + denali->mtd.oobsize;
uint32_t irq_status = 0;
- uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP |
+ uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP |
INTR_STATUS0__PROGRAM_FAIL;
/* if it is a raw xfer, we want to disable ecc, and send
@@ -1486,15 +1485,15 @@ static void write_page(struct mtd_info *mtd, struct nand_chip *chip,
if (raw_xfer)
{
/* transfer the data to the spare area */
- memcpy(denali->buf.buf + mtd->writesize,
- chip->oob_poi,
- mtd->oobsize);
+ memcpy(denali->buf.buf + mtd->writesize,
+ chip->oob_poi,
+ mtd->oobsize);
}
pci_dma_sync_single_for_device(pci_dev, addr, size, PCI_DMA_TODEVICE);
clear_interrupts(denali);
- denali_enable_dma(denali, true);
+ denali_enable_dma(denali, true);
denali_setup_dma(denali, DENALI_WRITE);
@@ -1504,53 +1503,53 @@ static void write_page(struct mtd_info *mtd, struct nand_chip *chip,
if (irq_status == 0)
{
printk(KERN_ERR "timeout on write_page (type = %d)\n", raw_xfer);
- denali->status =
- (irq_status & INTR_STATUS0__PROGRAM_FAIL) ? NAND_STATUS_FAIL :
- PASS;
+ denali->status =
+ (irq_status & INTR_STATUS0__PROGRAM_FAIL) ? NAND_STATUS_FAIL :
+ PASS;
}
- denali_enable_dma(denali, false);
+ denali_enable_dma(denali, false);
pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_TODEVICE);
}
/* NAND core entry points */
-/* this is the callback that the NAND core calls to write a page. Since
- writing a page with ECC or without is similar, all the work is done
+/* this is the callback that the NAND core calls to write a page. Since
+ writing a page with ECC or without is similar, all the work is done
by write_page above. */
-static void denali_write_page(struct mtd_info *mtd, struct nand_chip *chip,
+static void denali_write_page(struct mtd_info *mtd, struct nand_chip *chip,
const uint8_t *buf)
{
/* for regular page writes, we let HW handle all the ECC
- * data written to the device. */
+ * data written to the device. */
write_page(mtd, chip, buf, false);
}
-/* This is the callback that the NAND core calls to write a page without ECC.
+/* This is the callback that the NAND core calls to write a page without ECC.
raw access is similiar to ECC page writes, so all the work is done in the
- write_page() function above.
+ write_page() function above.
*/
-static void denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
+static void denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
const uint8_t *buf)
{
- /* for raw page writes, we want to disable ECC and simply write
+ /* for raw page writes, we want to disable ECC and simply write
whatever data is in the buffer. */
write_page(mtd, chip, buf, true);
}
-static int denali_write_oob(struct mtd_info *mtd, struct nand_chip *chip,
+static int denali_write_oob(struct mtd_info *mtd, struct nand_chip *chip,
int page)
{
- return write_oob_data(mtd, chip->oob_poi, page);
+ return write_oob_data(mtd, chip->oob_poi, page);
}
-static int denali_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
+static int denali_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
int page, int sndcmd)
{
read_oob_data(mtd, chip->oob_poi, page);
- return 0; /* notify NAND core to send command to
- * NAND device. */
+ return 0; /* notify NAND core to send command to
+ NAND device. */
}
static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
@@ -1563,7 +1562,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
size_t size = denali->mtd.writesize + denali->mtd.oobsize;
uint32_t irq_status = 0;
- uint32_t irq_mask = INTR_STATUS0__ECC_TRANSACTION_DONE |
+ uint32_t irq_mask = INTR_STATUS0__ECC_TRANSACTION_DONE |
INTR_STATUS0__ECC_ERR;
bool check_erased_page = false;
@@ -1581,7 +1580,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
memcpy(buf, denali->buf.buf, mtd->writesize);
-
+
check_erased_page = handle_ecc(denali, buf, chip->oob_poi, irq_status);
denali_enable_dma(denali, false);
@@ -1600,7 +1599,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
{
denali->mtd.ecc_stats.failed++;
}
- }
+ }
}
return 0;
}
@@ -1616,7 +1615,7 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
uint32_t irq_status = 0;
uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP;
-
+
setup_ecc_for_xfer(denali, false, true);
denali_enable_dma(denali, true);
@@ -1687,21 +1686,21 @@ static void denali_erase(struct mtd_info *mtd, int page)
printk("erase page: %d\n", page);
#endif
/* clear interrupts */
- clear_interrupts(denali);
+ clear_interrupts(denali);
/* setup page read request for access type */
cmd = MODE_10 | BANK(denali->flash_bank) | page;
index_addr(denali, (uint32_t)cmd, 0x1);
/* wait for erase to complete or failure to occur */
- irq_status = wait_for_irq(denali, INTR_STATUS0__ERASE_COMP |
+ irq_status = wait_for_irq(denali, INTR_STATUS0__ERASE_COMP |
INTR_STATUS0__ERASE_FAIL);
- denali->status = (irq_status & INTR_STATUS0__ERASE_FAIL) ? NAND_STATUS_FAIL :
+ denali->status = (irq_status & INTR_STATUS0__ERASE_FAIL) ? NAND_STATUS_FAIL :
PASS;
}
-static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
+static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
int page)
{
struct denali_nand_info *denali = mtd_to_denali(mtd);
@@ -1710,7 +1709,7 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
printk("cmdfunc: 0x%x %d %d\n", cmd, col, page);
#endif
switch (cmd)
- {
+ {
case NAND_CMD_PAGEPROG:
break;
case NAND_CMD_STATUS:
@@ -1720,19 +1719,19 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
reset_buf(denali);
if (denali->flash_bank < denali->total_used_banks)
{
- /* write manufacturer information into nand
+ /* write manufacturer information into nand
buffer for NAND subsystem to fetch.
- */
- write_byte_to_buf(denali, denali->dev_info.wDeviceMaker);
- write_byte_to_buf(denali, denali->dev_info.wDeviceID);
- write_byte_to_buf(denali, denali->dev_info.bDeviceParam0);
- write_byte_to_buf(denali, denali->dev_info.bDeviceParam1);
- write_byte_to_buf(denali, denali->dev_info.bDeviceParam2);
+ */
+ write_byte_to_buf(denali, denali->dev_info.wDeviceMaker);
+ write_byte_to_buf(denali, denali->dev_info.wDeviceID);
+ write_byte_to_buf(denali, denali->dev_info.bDeviceParam0);
+ write_byte_to_buf(denali, denali->dev_info.bDeviceParam1);
+ write_byte_to_buf(denali, denali->dev_info.bDeviceParam2);
}
- else
+ else
{
int i;
- for (i = 0; i < 5; i++)
+ for (i = 0; i < 5; i++)
write_byte_to_buf(denali, 0xff);
}
break;
@@ -1753,7 +1752,7 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
}
/* stubs for ECC functions not used by the NAND core */
-static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data,
+static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data,
uint8_t *ecc_code)
{
printk(KERN_ERR "denali_ecc_calculate called unexpectedly\n");
@@ -1761,7 +1760,7 @@ static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data,
return -EIO;
}
-static int denali_ecc_correct(struct mtd_info *mtd, uint8_t *data,
+static int denali_ecc_correct(struct mtd_info *mtd, uint8_t *data,
uint8_t *read_ecc, uint8_t *calc_ecc)
{
printk(KERN_ERR "denali_ecc_correct called unexpectedly\n");
@@ -1797,9 +1796,9 @@ static void denali_hw_init(struct denali_nand_info *denali)
static struct nand_ecclayout nand_oob_slc = {
.eccbytes = 4,
.eccpos = { 0, 1, 2, 3 }, /* not used */
- .oobfree = {{
- .offset = ECC_BYTES_SLC,
- .length = 64 - ECC_BYTES_SLC
+ .oobfree = {{
+ .offset = ECC_BYTES_SLC,
+ .length = 64 - ECC_BYTES_SLC
}}
};
@@ -1807,9 +1806,9 @@ static struct nand_ecclayout nand_oob_slc = {
static struct nand_ecclayout nand_oob_mlc_14bit = {
.eccbytes = 14,
.eccpos = { 0, 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13 }, /* not used */
- .oobfree = {{
- .offset = ECC_BYTES_MLC,
- .length = 64 - ECC_BYTES_MLC
+ .oobfree = {{
+ .offset = ECC_BYTES_MLC,
+ .length = 64 - ECC_BYTES_MLC
}}
};
@@ -1842,12 +1841,12 @@ void denali_drv_init(struct denali_nand_info *denali)
denali->idx = 0;
/* setup interrupt handler */
- /* the completion object will be used to notify
+ /* the completion object will be used to notify
* the callee that the interrupt is done */
init_completion(&denali->complete);
/* the spinlock will be used to synchronize the ISR
- * with any element that might be access shared
+ * with any element that might be access shared
* data (interrupt status) */
spin_lock_init(&denali->irq_lock);
@@ -1880,9 +1879,9 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
}
if (id->driver_data == INTEL_CE4100) {
- /* Due to a silicon limitation, we can only support
- * ONFI timing mode 1 and below.
- */
+ /* Due to a silicon limitation, we can only support
+ * ONFI timing mode 1 and below.
+ */
if (onfi_timing_mode < -1 || onfi_timing_mode > 1)
{
printk("Intel CE4100 only supports ONFI timing mode 1 "
@@ -1918,7 +1917,7 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
printk(KERN_ERR "Spectra: no usable DMA configuration\n");
goto failed_enable;
}
- denali->buf.dma_buf = pci_map_single(dev, denali->buf.buf, DENALI_BUF_SIZE,
+ denali->buf.dma_buf = pci_map_single(dev, denali->buf.buf, DENALI_BUF_SIZE,
PCI_DMA_BIDIRECTIONAL);
if (pci_dma_mapping_error(dev, denali->buf.dma_buf))
@@ -1976,8 +1975,8 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
NAND_Read_Device_ID(denali);
- /* MTD supported page sizes vary by kernel. We validate our
- kernel supports the device here.
+ /* MTD supported page sizes vary by kernel. We validate our
+ * kernel supports the device here.
*/
if (denali->dev_info.wPageSize > NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE)
{
@@ -2009,18 +2008,18 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
denali->nand.read_byte = denali_read_byte;
denali->nand.waitfunc = denali_waitfunc;
- /* scan for NAND devices attached to the controller
+ /* scan for NAND devices attached to the controller
* this is the first stage in a two step process to register
- * with the nand subsystem */
+ * with the nand subsystem */
if (nand_scan_ident(&denali->mtd, LLD_MAX_FLASH_BANKS, NULL))
{
ret = -ENXIO;
goto failed_nand;
}
-
- /* second stage of the NAND scan
- * this stage requires information regarding ECC and
- * bad block management. */
+
+ /* second stage of the NAND scan
+ * this stage requires information regarding ECC and
+ * bad block management. */
/* Bad block management */
denali->nand.bbt_td = &bbt_main_descr;
@@ -2041,9 +2040,9 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
denali->nand.ecc.bytes = ECC_BYTES_SLC;
}
- /* These functions are required by the NAND core framework, otherwise,
- the NAND core will assert. However, we don't need them, so we'll stub
- them out. */
+ /* These functions are required by the NAND core framework, otherwise,
+ * the NAND core will assert. However, we don't need them, so we'll stub
+ * them out. */
denali->nand.ecc.calculate = denali_ecc_calculate;
denali->nand.ecc.correct = denali_ecc_correct;
denali->nand.ecc.hwctl = denali_ecc_hwctl;
@@ -2079,7 +2078,7 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
failed_remap_csr:
pci_release_regions(dev);
failed_req_csr:
- pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE,
+ pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE,
PCI_DMA_BIDIRECTIONAL);
failed_enable:
kfree(denali);
@@ -2103,7 +2102,7 @@ static void denali_pci_remove(struct pci_dev *dev)
iounmap(denali->flash_mem);
pci_release_regions(dev);
pci_disable_device(dev);
- pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE,
+ pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE,
PCI_DMA_BIDIRECTIONAL);
pci_set_drvdata(dev, NULL);
kfree(denali);