diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/Makefile | 2 | ||||
| -rw-r--r-- | drivers/mtd/at45.c | 545 | ||||
| -rw-r--r-- | drivers/mtd/dataflash.c | 448 |
3 files changed, 0 insertions, 995 deletions
diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile index bd680a784f..20c0d0af44 100644 --- a/drivers/mtd/Makefile +++ b/drivers/mtd/Makefile @@ -12,10 +12,8 @@ obj-$(CONFIG_MTD) += mtd-uclass.o obj-$(CONFIG_MTD_PARTITIONS) += mtdpart.o obj-$(CONFIG_MTD_CONCAT) += mtdconcat.o obj-$(CONFIG_ALTERA_QSPI) += altera_qspi.o -obj-$(CONFIG_HAS_DATAFLASH) += at45.o obj-$(CONFIG_FLASH_CFI_DRIVER) += cfi_flash.o obj-$(CONFIG_FLASH_CFI_MTD) += cfi_mtd.o -obj-$(CONFIG_HAS_DATAFLASH) += dataflash.o obj-$(CONFIG_FTSMC020) += ftsmc020.o obj-$(CONFIG_FLASH_CFI_LEGACY) += jedec_flash.o obj-$(CONFIG_MW_EEPROM) += mw_eeprom.o diff --git a/drivers/mtd/at45.c b/drivers/mtd/at45.c deleted file mode 100644 index 2f49be38b8..0000000000 --- a/drivers/mtd/at45.c +++ /dev/null @@ -1,545 +0,0 @@ -/* Driver for ATMEL DataFlash support - * Author : Hamid Ikdoumi (Atmel) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> -#include <common.h> -#include <dataflash.h> - -/* - * spi.c API - */ -extern unsigned int AT91F_SpiWrite(AT91PS_DataflashDesc pDesc); -extern void AT91F_SpiEnable(int cs); - -#define AT91C_TIMEOUT_WRDY 200000 - -/*----------------------------------------------------------------------*/ -/* \fn AT91F_DataFlashSendCommand */ -/* \brief Generic function to send a command to the dataflash */ -/*----------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_DataFlashSendCommand(AT91PS_DataFlash pDataFlash, - unsigned char OpCode, - unsigned int CmdSize, - unsigned int DataflashAddress) -{ - unsigned int adr; - - if ((pDataFlash->pDataFlashDesc->state) != IDLE) - return DATAFLASH_BUSY; - - /* process the address to obtain page address and byte address */ - adr = ((DataflashAddress / (pDataFlash->pDevice->pages_size)) << - pDataFlash->pDevice->page_offset) + - (DataflashAddress % (pDataFlash->pDevice->pages_size)); - - /* fill the command buffer */ - pDataFlash->pDataFlashDesc->command[0] = OpCode; - if (pDataFlash->pDevice->pages_number >= 16384) { - pDataFlash->pDataFlashDesc->command[1] = - (unsigned char)((adr & 0x0F000000) >> 24); - pDataFlash->pDataFlashDesc->command[2] = - (unsigned char)((adr & 0x00FF0000) >> 16); - pDataFlash->pDataFlashDesc->command[3] = - (unsigned char)((adr & 0x0000FF00) >> 8); - pDataFlash->pDataFlashDesc->command[4] = - (unsigned char)(adr & 0x000000FF); - } else { - pDataFlash->pDataFlashDesc->command[1] = - (unsigned char)((adr & 0x00FF0000) >> 16); - pDataFlash->pDataFlashDesc->command[2] = - (unsigned char)((adr & 0x0000FF00) >> 8); - pDataFlash->pDataFlashDesc->command[3] = - (unsigned char)(adr & 0x000000FF); - pDataFlash->pDataFlashDesc->command[4] = 0; - } - pDataFlash->pDataFlashDesc->command[5] = 0; - pDataFlash->pDataFlashDesc->command[6] = 0; - pDataFlash->pDataFlashDesc->command[7] = 0; - - /* Initialize the SpiData structure for the spi write fuction */ - pDataFlash->pDataFlashDesc->tx_cmd_pt = - pDataFlash->pDataFlashDesc->command; - pDataFlash->pDataFlashDesc->tx_cmd_size = CmdSize; - pDataFlash->pDataFlashDesc->rx_cmd_pt = - pDataFlash->pDataFlashDesc->command; - pDataFlash->pDataFlashDesc->rx_cmd_size = CmdSize; - - /* send the command and read the data */ - return AT91F_SpiWrite(pDataFlash->pDataFlashDesc); -} - -/*----------------------------------------------------------------------*/ -/* \fn AT91F_DataFlashGetStatus */ -/* \brief Read the status register of the dataflash */ -/*----------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_DataFlashGetStatus(AT91PS_DataflashDesc pDesc) -{ - AT91S_DataFlashStatus status; - - /* if a transfert is in progress ==> return 0 */ - if ((pDesc->state) != IDLE) - return DATAFLASH_BUSY; - - /* first send the read status command (D7H) */ - pDesc->command[0] = DB_STATUS; - pDesc->command[1] = 0; - - pDesc->DataFlash_state = GET_STATUS; - pDesc->tx_data_size = 0; /* Transmit the command */ - /* and receive response */ - pDesc->tx_cmd_pt = pDesc->command; - pDesc->rx_cmd_pt = pDesc->command; - pDesc->rx_cmd_size = 2; - pDesc->tx_cmd_size = 2; - status = AT91F_SpiWrite(pDesc); - - pDesc->DataFlash_state = *((unsigned char *)(pDesc->rx_cmd_pt) + 1); - - return status; -} - -/*----------------------------------------------------------------------*/ -/* \fn AT91F_DataFlashWaitReady */ -/* \brief wait for dataflash ready (bit7 of the status register == 1) */ -/*----------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_DataFlashWaitReady(AT91PS_DataflashDesc - pDataFlashDesc, - unsigned int timeout) -{ - pDataFlashDesc->DataFlash_state = IDLE; - - do { - AT91F_DataFlashGetStatus(pDataFlashDesc); - timeout--; - } while (((pDataFlashDesc->DataFlash_state & 0x80) != 0x80) && - (timeout > 0)); - - if ((pDataFlashDesc->DataFlash_state & 0x80) != 0x80) - return DATAFLASH_ERROR; - - return DATAFLASH_OK; -} - -/*--------------------------------------------------------------------------*/ -/* Function Name : AT91F_DataFlashContinuousRead */ -/* Object : Continuous stream Read */ -/* Input Parameters : DataFlash Service */ -/* : <src> = dataflash address */ -/* : <*dataBuffer> = data buffer pointer */ -/* : <sizeToRead> = data buffer size */ -/* Return value : State of the dataflash */ -/*--------------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_DataFlashContinuousRead( - AT91PS_DataFlash pDataFlash, - int src, - unsigned char *dataBuffer, - int sizeToRead) -{ - AT91S_DataFlashStatus status; - /* Test the size to read in the device */ - if ((src + sizeToRead) > - (pDataFlash->pDevice->pages_size * - (pDataFlash->pDevice->pages_number))) - return DATAFLASH_MEMORY_OVERFLOW; - - pDataFlash->pDataFlashDesc->rx_data_pt = dataBuffer; - pDataFlash->pDataFlashDesc->rx_data_size = sizeToRead; - pDataFlash->pDataFlashDesc->tx_data_pt = dataBuffer; - pDataFlash->pDataFlashDesc->tx_data_size = sizeToRead; - - status = AT91F_DataFlashSendCommand( - pDataFlash, DB_CONTINUOUS_ARRAY_READ, 8, src); - /* Send the command to the dataflash */ - return (status); -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : AT91F_DataFlashPagePgmBuf */ -/* Object : Main memory page program thru buffer 1 or buffer 2 */ -/* Input Parameters : DataFlash Service */ -/* : <*src> = Source buffer */ -/* : <dest> = dataflash destination address */ -/* : <SizeToWrite> = data buffer size */ -/* Return value : State of the dataflash */ -/*---------------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_DataFlashPagePgmBuf(AT91PS_DataFlash pDataFlash, - unsigned char *src, - unsigned int dest, - unsigned int SizeToWrite) -{ - int cmdsize; - pDataFlash->pDataFlashDesc->tx_data_pt = src; - pDataFlash->pDataFlashDesc->tx_data_size = SizeToWrite; - pDataFlash->pDataFlashDesc->rx_data_pt = src; - pDataFlash->pDataFlashDesc->rx_data_size = SizeToWrite; - - cmdsize = 4; - /* Send the command to the dataflash */ - if (pDataFlash->pDevice->pages_number >= 16384) - cmdsize = 5; - return (AT91F_DataFlashSendCommand( - pDataFlash, DB_PAGE_PGM_BUF1, cmdsize, dest)); -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : AT91F_MainMemoryToBufferTransfert */ -/* Object : Read a page in the SRAM Buffer 1 or 2 */ -/* Input Parameters : DataFlash Service */ -/* : Page concerned */ -/* : */ -/* Return value : State of the dataflash */ -/*---------------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_MainMemoryToBufferTransfert( - AT91PS_DataFlash - pDataFlash, - unsigned char - BufferCommand, - unsigned int page) -{ - int cmdsize; - /* Test if the buffer command is legal */ - if ((BufferCommand != DB_PAGE_2_BUF1_TRF) && - (BufferCommand != DB_PAGE_2_BUF2_TRF)) { - return DATAFLASH_BAD_COMMAND; - } - - /* no data to transmit or receive */ - pDataFlash->pDataFlashDesc->tx_data_size = 0; - cmdsize = 4; - if (pDataFlash->pDevice->pages_number >= 16384) - cmdsize = 5; - return (AT91F_DataFlashSendCommand( - pDataFlash, BufferCommand, cmdsize, - page * pDataFlash->pDevice->pages_size)); -} - -/*-------------------------------------------------------------------------- */ -/* Function Name : AT91F_DataFlashWriteBuffer */ -/* Object : Write data to the internal sram buffer 1 or 2 */ -/* Input Parameters : DataFlash Service */ -/* : <BufferCommand> = command to write buffer1 or 2 */ -/* : <*dataBuffer> = data buffer to write */ -/* : <bufferAddress> = address in the internal buffer */ -/* : <SizeToWrite> = data buffer size */ -/* Return value : State of the dataflash */ -/*---------------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_DataFlashWriteBuffer( - AT91PS_DataFlash pDataFlash, - unsigned char BufferCommand, - unsigned char *dataBuffer, - unsigned int bufferAddress, - int SizeToWrite) -{ - int cmdsize; - /* Test if the buffer command is legal */ - if ((BufferCommand != DB_BUF1_WRITE) && - (BufferCommand != DB_BUF2_WRITE)) { - return DATAFLASH_BAD_COMMAND; - } - - /* buffer address must be lower than page size */ - if (bufferAddress > pDataFlash->pDevice->pages_size) - return DATAFLASH_BAD_ADDRESS; - - if ((pDataFlash->pDataFlashDesc->state) != IDLE) - return DATAFLASH_BUSY; - - /* Send first Write Command */ - pDataFlash->pDataFlashDesc->command[0] = BufferCommand; - pDataFlash->pDataFlashDesc->command[1] = 0; - if (pDataFlash->pDevice->pages_number >= 16384) { - pDataFlash->pDataFlashDesc->command[2] = 0; - pDataFlash->pDataFlashDesc->command[3] = - (unsigned char)(((unsigned int)(bufferAddress & - pDataFlash->pDevice-> - byte_mask)) >> 8); - pDataFlash->pDataFlashDesc->command[4] = - (unsigned char)((unsigned int)bufferAddress & 0x00FF); - cmdsize = 5; - } else { - pDataFlash->pDataFlashDesc->command[2] = - (unsigned char)(((unsigned int)(bufferAddress & - pDataFlash->pDevice-> - byte_mask)) >> 8); - pDataFlash->pDataFlashDesc->command[3] = - (unsigned char)((unsigned int)bufferAddress & 0x00FF); - pDataFlash->pDataFlashDesc->command[4] = 0; - cmdsize = 4; - } - - pDataFlash->pDataFlashDesc->tx_cmd_pt = - pDataFlash->pDataFlashDesc->command; - pDataFlash->pDataFlashDesc->tx_cmd_size = cmdsize; - pDataFlash->pDataFlashDesc->rx_cmd_pt = - pDataFlash->pDataFlashDesc->command; - pDataFlash->pDataFlashDesc->rx_cmd_size = cmdsize; - - pDataFlash->pDataFlashDesc->rx_data_pt = dataBuffer; - pDataFlash->pDataFlashDesc->tx_data_pt = dataBuffer; - pDataFlash->pDataFlashDesc->rx_data_size = SizeToWrite; - pDataFlash->pDataFlashDesc->tx_data_size = SizeToWrite; - - return AT91F_SpiWrite(pDataFlash->pDataFlashDesc); -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : AT91F_PageErase */ -/* Object : Erase a page */ -/* Input Parameters : DataFlash Service */ -/* : Page concerned */ -/* : */ -/* Return value : State of the dataflash */ -/*---------------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_PageErase( - AT91PS_DataFlash pDataFlash, - unsigned int page) -{ - int cmdsize; - /* Test if the buffer command is legal */ - /* no data to transmit or receive */ - pDataFlash->pDataFlashDesc->tx_data_size = 0; - - cmdsize = 4; - if (pDataFlash->pDevice->pages_number >= 16384) - cmdsize = 5; - return (AT91F_DataFlashSendCommand(pDataFlash, - DB_PAGE_ERASE, cmdsize, - page * pDataFlash->pDevice->pages_size)); -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : AT91F_BlockErase */ -/* Object : Erase a Block */ -/* Input Parameters : DataFlash Service */ -/* : Page concerned */ -/* : */ -/* Return value : State of the dataflash */ -/*---------------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_BlockErase( - AT91PS_DataFlash pDataFlash, - unsigned int block) -{ - int cmdsize; - /* Test if the buffer command is legal */ - /* no data to transmit or receive */ - pDataFlash->pDataFlashDesc->tx_data_size = 0; - cmdsize = 4; - if (pDataFlash->pDevice->pages_number >= 16384) - cmdsize = 5; - return (AT91F_DataFlashSendCommand(pDataFlash, DB_BLOCK_ERASE, cmdsize, - block * 8 * - pDataFlash->pDevice->pages_size)); -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : AT91F_WriteBufferToMain */ -/* Object : Write buffer to the main memory */ -/* Input Parameters : DataFlash Service */ -/* : <BufferCommand> = command to send to buffer1 or buffer2 */ -/* : <dest> = main memory address */ -/* Return value : State of the dataflash */ -/*---------------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_WriteBufferToMain(AT91PS_DataFlash pDataFlash, - unsigned char BufferCommand, - unsigned int dest) -{ - int cmdsize; - /* Test if the buffer command is correct */ - if ((BufferCommand != DB_BUF1_PAGE_PGM) && - (BufferCommand != DB_BUF1_PAGE_ERASE_PGM) && - (BufferCommand != DB_BUF2_PAGE_PGM) && - (BufferCommand != DB_BUF2_PAGE_ERASE_PGM)) - return DATAFLASH_BAD_COMMAND; - - /* no data to transmit or receive */ - pDataFlash->pDataFlashDesc->tx_data_size = 0; - - cmdsize = 4; - if (pDataFlash->pDevice->pages_number >= 16384) - cmdsize = 5; - /* Send the command to the dataflash */ - return (AT91F_DataFlashSendCommand(pDataFlash, BufferCommand, - cmdsize, dest)); -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : AT91F_PartialPageWrite */ -/* Object : Erase partielly a page */ -/* Input Parameters : <page> = page number */ -/* : <AdrInpage> = adr to begin the fading */ -/* : <length> = Number of bytes to erase */ -/*---------------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_PartialPageWrite(AT91PS_DataFlash pDataFlash, - unsigned char *src, - unsigned int dest, - unsigned int size) -{ - unsigned int page; - unsigned int AdrInPage; - - page = dest / (pDataFlash->pDevice->pages_size); - AdrInPage = dest % (pDataFlash->pDevice->pages_size); - - /* Read the contents of the page in the Sram Buffer */ - AT91F_MainMemoryToBufferTransfert(pDataFlash, DB_PAGE_2_BUF1_TRF, page); - AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, - AT91C_TIMEOUT_WRDY); - /*Update the SRAM buffer */ - AT91F_DataFlashWriteBuffer(pDataFlash, DB_BUF1_WRITE, src, - AdrInPage, size); - - AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, - AT91C_TIMEOUT_WRDY); - - /* Erase page if a 128 Mbits device */ - if (pDataFlash->pDevice->pages_number >= 16384) { - AT91F_PageErase(pDataFlash, page); - /* Rewrite the modified Sram Buffer in the main memory */ - AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, - AT91C_TIMEOUT_WRDY); - } - - /* Rewrite the modified Sram Buffer in the main memory */ - return (AT91F_WriteBufferToMain(pDataFlash, DB_BUF1_PAGE_ERASE_PGM, - (page * - pDataFlash->pDevice->pages_size))); -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : AT91F_DataFlashWrite */ -/* Object : */ -/* Input Parameters : <*src> = Source buffer */ -/* : <dest> = dataflash adress */ -/* : <size> = data buffer size */ -/*---------------------------------------------------------------------------*/ -AT91S_DataFlashStatus AT91F_DataFlashWrite(AT91PS_DataFlash pDataFlash, - unsigned char *src, - int dest, int size) -{ - unsigned int length; - unsigned int page; - unsigned int status; - - AT91F_SpiEnable(pDataFlash->pDevice->cs); - - if ((dest + size) > (pDataFlash->pDevice->pages_size * - (pDataFlash->pDevice->pages_number))) - return DATAFLASH_MEMORY_OVERFLOW; - - /* If destination does not fit a page start address */ - if ((dest % ((unsigned int)(pDataFlash->pDevice->pages_size))) != 0) { - length = - pDataFlash->pDevice->pages_size - - (dest % ((unsigned int)(pDataFlash->pDevice->pages_size))); - - if (size < length) - length = size; - - if (!AT91F_PartialPageWrite(pDataFlash, src, dest, length)) - return DATAFLASH_ERROR; - - AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, - AT91C_TIMEOUT_WRDY); - - /* Update size, source and destination pointers */ - size -= length; - dest += length; - src += length; - } - - while ((size - pDataFlash->pDevice->pages_size) >= 0) { - /* program dataflash page */ - page = (unsigned int)dest / (pDataFlash->pDevice->pages_size); - - status = AT91F_DataFlashWriteBuffer(pDataFlash, - DB_BUF1_WRITE, src, 0, - pDataFlash->pDevice-> - pages_size); - AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, - AT91C_TIMEOUT_WRDY); - - status = AT91F_PageErase(pDataFlash, page); - AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, - AT91C_TIMEOUT_WRDY); - if (!status) - return DATAFLASH_ERROR; - - status = AT91F_WriteBufferToMain(pDataFlash, - DB_BUF1_PAGE_PGM, dest); - if (!status) - return DATAFLASH_ERROR; - - AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, - AT91C_TIMEOUT_WRDY); - - /* Update size, source and destination pointers */ - size -= pDataFlash->pDevice->pages_size; - dest += pDataFlash->pDevice->pages_size; - src += pDataFlash->pDevice->pages_size; - } - - /* If still some bytes to read */ - if (size > 0) { - /* program dataflash page */ - if (!AT91F_PartialPageWrite(pDataFlash, src, dest, size)) - return DATAFLASH_ERROR; - - AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, - AT91C_TIMEOUT_WRDY); - } - return DATAFLASH_OK; -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : AT91F_DataFlashRead */ -/* Object : Read a block in dataflash */ -/* Input Parameters : */ -/* Return value : */ -/*---------------------------------------------------------------------------*/ -int AT91F_DataFlashRead(AT91PS_DataFlash pDataFlash, - unsigned long addr, unsigned long size, char *buffer) -{ - unsigned long SizeToRead; - - AT91F_SpiEnable(pDataFlash->pDevice->cs); - - if (AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, - AT91C_TIMEOUT_WRDY) != DATAFLASH_OK) - return -1; - - while (size) { - SizeToRead = (size < 0x8000) ? size : 0x8000; - - if (AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, - AT91C_TIMEOUT_WRDY) != - DATAFLASH_OK) - return -1; - - if (AT91F_DataFlashContinuousRead(pDataFlash, addr, - (uchar *) buffer, - SizeToRead) != DATAFLASH_OK) - return -1; - - size -= SizeToRead; - addr += SizeToRead; - buffer += SizeToRead; - } - - return DATAFLASH_OK; -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : AT91F_DataflashProbe */ -/* Object : */ -/* Input Parameters : */ -/* Return value : Dataflash status register */ -/*---------------------------------------------------------------------------*/ -int AT91F_DataflashProbe(int cs, AT91PS_DataflashDesc pDesc) -{ - AT91F_SpiEnable(cs); - AT91F_DataFlashGetStatus(pDesc); - return ((pDesc->command[1] == 0xFF) ? 0 : pDesc->command[1] & 0x3C); -} diff --git a/drivers/mtd/dataflash.c b/drivers/mtd/dataflash.c deleted file mode 100644 index e961f518b0..0000000000 --- a/drivers/mtd/dataflash.c +++ /dev/null @@ -1,448 +0,0 @@ -/* - * LowLevel function for ATMEL DataFlash support - * Author : Hamid Ikdoumi (Atmel) - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#include <common.h> -#include <config.h> -#include <asm/hardware.h> -#include <dataflash.h> - -static AT91S_DataFlash DataFlashInst; - -extern void AT91F_SpiInit (void); -extern int AT91F_DataflashProbe (int i, AT91PS_DataflashDesc pDesc); -extern int AT91F_DataFlashRead (AT91PS_DataFlash pDataFlash, - unsigned long addr, - unsigned long size, char *buffer); -extern int AT91F_DataFlashWrite( AT91PS_DataFlash pDataFlash, - unsigned char *src, - int dest, - int size ); - -int AT91F_DataflashInit (void) -{ - int i, j; - int dfcode; - int part; - int found[CONFIG_SYS_MAX_DATAFLASH_BANKS]; - unsigned char protected; - - AT91F_SpiInit (); - - for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) { - found[i] = 0; - dataflash_info[i].Desc.state = IDLE; - dataflash_info[i].id = 0; - dataflash_info[i].Device.pages_number = 0; - dfcode = AT91F_DataflashProbe (cs[i].cs, - &dataflash_info[i].Desc); - - switch (dfcode) { - case AT45DB021: - dataflash_info[i].Device.pages_number = 1024; - dataflash_info[i].Device.pages_size = 264; - dataflash_info[i].Device.page_offset = 9; - dataflash_info[i].Device.byte_mask = 0x300; - dataflash_info[i].Device.cs = cs[i].cs; - dataflash_info[i].Desc.DataFlash_state = IDLE; - dataflash_info[i].logical_address = cs[i].addr; - dataflash_info[i].id = dfcode; - found[i] += dfcode; - break; - - case AT45DB081: - dataflash_info[i].Device.pages_number = 4096; - dataflash_info[i].Device.pages_size = 264; - dataflash_info[i].Device.page_offset = 9; - dataflash_info[i].Device.byte_mask = 0x300; - dataflash_info[i].Device.cs = cs[i].cs; - dataflash_info[i].Desc.DataFlash_state = IDLE; - dataflash_info[i].logical_address = cs[i].addr; - dataflash_info[i].id = dfcode; - found[i] += dfcode; - break; - - case AT45DB161: - dataflash_info[i].Device.pages_number = 4096; - dataflash_info[i].Device.pages_size = 528; - dataflash_info[i].Device.page_offset = 10; - dataflash_info[i].Device.byte_mask = 0x300; - dataflash_info[i].Device.cs = cs[i].cs; - dataflash_info[i].Desc.DataFlash_state = IDLE; - dataflash_info[i].logical_address = cs[i].addr; - dataflash_info[i].id = dfcode; - found[i] += dfcode; - break; - - case AT45DB321: - dataflash_info[i].Device.pages_number = 8192; - dataflash_info[i].Device.pages_size = 528; - dataflash_info[i].Device.page_offset = 10; - dataflash_info[i].Device.byte_mask = 0x300; - dataflash_info[i].Device.cs = cs[i].cs; - dataflash_info[i].Desc.DataFlash_state = IDLE; - dataflash_info[i].logical_address = cs[i].addr; - dataflash_info[i].id = dfcode; - found[i] += dfcode; - break; - - case AT45DB642: - dataflash_info[i].Device.pages_number = 8192; - dataflash_info[i].Device.pages_size = 1056; - dataflash_info[i].Device.page_offset = 11; - dataflash_info[i].Device.byte_mask = 0x700; - dataflash_info[i].Device.cs = cs[i].cs; - dataflash_info[i].Desc.DataFlash_state = IDLE; - dataflash_info[i].logical_address = cs[i].addr; - dataflash_info[i].id = dfcode; - found[i] += dfcode; - break; - - case AT45DB128: - dataflash_info[i].Device.pages_number = 16384; - dataflash_info[i].Device.pages_size = 1056; - dataflash_info[i].Device.page_offset = 11; - dataflash_info[i].Device.byte_mask = 0x700; - dataflash_info[i].Device.cs = cs[i].cs; - dataflash_info[i].Desc.DataFlash_state = IDLE; - dataflash_info[i].logical_address = cs[i].addr; - dataflash_info[i].id = dfcode; - found[i] += dfcode; - break; - - default: - dfcode = 0; - break; - } - /* set the last area end to the dataflash size*/ - dataflash_info[i].end_address = - (dataflash_info[i].Device.pages_number * - dataflash_info[i].Device.pages_size) - 1; - - part = 0; - /* set the area addresses */ - for(j = 0; j < NB_DATAFLASH_AREA; j++) { - if(found[i]!=0) { - dataflash_info[i].Device.area_list[j].start = - area_list[part].start + - dataflash_info[i].logical_address; - if(area_list[part].end == 0xffffffff) { - dataflash_info[i].Device.area_list[j].end = - dataflash_info[i].end_address + - dataflash_info[i].logical_address; - } else { - dataflash_info[i].Device.area_list[j].end = - area_list[part].end + - dataflash_info[i].logical_address; - } - protected = area_list[part].protected; - /* Set the environment according to the label...*/ - if(protected == FLAG_PROTECT_INVALID) { - dataflash_info[i].Device.area_list[j].protected = - FLAG_PROTECT_INVALID; - } else { - dataflash_info[i].Device.area_list[j].protected = - protected; - } - strcpy((char*)(dataflash_info[i].Device.area_list[j].label), - (const char *)area_list[part].label); - } - part++; - } - } - return found[0]; -} - -void AT91F_Dataflashenv_set(void) -{ - int i, j; - int part; - unsigned char env; - unsigned char s[32]; /* Will fit a long int in hex */ - unsigned long start; - - for (i = 0, part= 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) { - for(j = 0; j < NB_DATAFLASH_AREA; j++) { - env = area_list[part].setenv; - /* Set the environment according to the label...*/ - if((env & FLAG_SETENV) == FLAG_SETENV) { - start = dataflash_info[i].Device.area_list[j].start; - sprintf((char *)s, "%lX", start); - env_set((char *)area_list[part].label, - (char *)s); - } - part++; - } - } -} - -void dataflash_print_info (void) -{ - int i, j; - - for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) { - if (dataflash_info[i].id != 0) { - printf("DataFlash:"); - switch (dataflash_info[i].id) { - case AT45DB021: - printf("AT45DB021\n"); - break; - case AT45DB161: - printf("AT45DB161\n"); - break; - - case AT45DB321: - printf("AT45DB321\n"); - break; - - case AT45DB642: - printf("AT45DB642\n"); - break; - case AT45DB128: - printf("AT45DB128\n"); - break; - } - - printf("Nb pages: %6d\n" - "Page Size: %6d\n" - "Size=%8d bytes\n" - "Logical address: 0x%08X\n", - (unsigned int) dataflash_info[i].Device.pages_number, - (unsigned int) dataflash_info[i].Device.pages_size, - (unsigned int) dataflash_info[i].Device.pages_number * - dataflash_info[i].Device.pages_size, - (unsigned int) dataflash_info[i].logical_address); - for (j = 0; j < NB_DATAFLASH_AREA; j++) { - switch(dataflash_info[i].Device.area_list[j].protected) { - case FLAG_PROTECT_SET: - case FLAG_PROTECT_CLEAR: - printf("Area %i:\t%08lX to %08lX %s", j, - dataflash_info[i].Device.area_list[j].start, - dataflash_info[i].Device.area_list[j].end, - (dataflash_info[i].Device.area_list[j].protected==FLAG_PROTECT_SET) ? "(RO)" : " "); - printf(" %s\n", dataflash_info[i].Device.area_list[j].label); - break; - case FLAG_PROTECT_INVALID: - break; - } - } - } - } -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : AT91F_DataflashSelect */ -/* Object : Select the correct device */ -/*---------------------------------------------------------------------------*/ -AT91PS_DataFlash AT91F_DataflashSelect (AT91PS_DataFlash pFlash, - unsigned long *addr) -{ - char addr_valid = 0; - int i; - - for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) - if ( dataflash_info[i].id - && ((((int) *addr) & 0xFF000000) == - dataflash_info[i].logical_address)) { - addr_valid = 1; - break; - } - if (!addr_valid) { - pFlash = (AT91PS_DataFlash) 0; - return pFlash; - } - pFlash->pDataFlashDesc = &(dataflash_info[i].Desc); - pFlash->pDevice = &(dataflash_info[i].Device); - *addr -= dataflash_info[i].logical_address; - return (pFlash); -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : addr_dataflash */ -/* Object : Test if address is valid */ -/*---------------------------------------------------------------------------*/ -int addr_dataflash (unsigned long addr) -{ - int addr_valid = 0; - int i; - - for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) { - if ((((int) addr) & 0xFF000000) == - dataflash_info[i].logical_address) { - addr_valid = 1; - break; - } - } - - return addr_valid; -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : size_dataflash */ -/* Object : Test if address is valid regarding the size */ -/*---------------------------------------------------------------------------*/ -int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, - unsigned long size) -{ - /* is outside the dataflash */ - if (((int)addr & 0x0FFFFFFF) > (pdataFlash->pDevice->pages_size * - pdataFlash->pDevice->pages_number)) return 0; - /* is too large for the dataflash */ - if (size > ((pdataFlash->pDevice->pages_size * - pdataFlash->pDevice->pages_number) - - ((int)addr & 0x0FFFFFFF))) return 0; - - return 1; -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : prot_dataflash */ -/* Object : Test if destination area is protected */ -/*---------------------------------------------------------------------------*/ -int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr) -{ - int area; - - /* find area */ - for (area = 0; area < NB_DATAFLASH_AREA; area++) { - if ((addr >= pdataFlash->pDevice->area_list[area].start) && - (addr < pdataFlash->pDevice->area_list[area].end)) - break; - } - if (area == NB_DATAFLASH_AREA) - return -1; - - /*test protection value*/ - if (pdataFlash->pDevice->area_list[area].protected == FLAG_PROTECT_SET) - return 0; - if (pdataFlash->pDevice->area_list[area].protected == FLAG_PROTECT_INVALID) - return 0; - - return 1; -} - -/*--------------------------------------------------------------------------*/ -/* Function Name : dataflash_real_protect */ -/* Object : protect/unprotect area */ -/*--------------------------------------------------------------------------*/ -int dataflash_real_protect (int flag, unsigned long start_addr, - unsigned long end_addr) -{ - int i,j, area1, area2, addr_valid = 0; - - /* find dataflash */ - for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) { - if ((((int) start_addr) & 0xF0000000) == - dataflash_info[i].logical_address) { - addr_valid = 1; - break; - } - } - if (!addr_valid) { - return -1; - } - /* find start area */ - for (area1 = 0; area1 < NB_DATAFLASH_AREA; area1++) { - if (start_addr == dataflash_info[i].Device.area_list[area1].start) - break; - } - if (area1 == NB_DATAFLASH_AREA) return -1; - /* find end area */ - for (area2 = 0; area2 < NB_DATAFLASH_AREA; area2++) { - if (end_addr == dataflash_info[i].Device.area_list[area2].end) - break; - } - if (area2 == NB_DATAFLASH_AREA) - return -1; - - /*set protection value*/ - for(j = area1; j < area2 + 1 ; j++) - if(dataflash_info[i].Device.area_list[j].protected - != FLAG_PROTECT_INVALID) { - if (flag == 0) { - dataflash_info[i].Device.area_list[j].protected - = FLAG_PROTECT_CLEAR; - } else { - dataflash_info[i].Device.area_list[j].protected - = FLAG_PROTECT_SET; - } - } - - return (area2 - area1 + 1); -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : read_dataflash */ -/* Object : dataflash memory read */ -/*---------------------------------------------------------------------------*/ -int read_dataflash (unsigned long addr, unsigned long size, char *result) -{ - unsigned long AddrToRead = addr; - AT91PS_DataFlash pFlash = &DataFlashInst; - - pFlash = AT91F_DataflashSelect (pFlash, &AddrToRead); - - if (pFlash == 0) - return ERR_UNKNOWN_FLASH_TYPE; - - if (size_dataflash(pFlash,addr,size) == 0) - return ERR_INVAL; - - return (AT91F_DataFlashRead (pFlash, AddrToRead, size, result)); -} - -/*---------------------------------------------------------------------------*/ -/* Function Name : write_dataflash */ -/* Object : write a block in dataflash */ -/*---------------------------------------------------------------------------*/ -int write_dataflash (unsigned long addr_dest, unsigned long addr_src, - unsigned long size) -{ - unsigned long AddrToWrite = addr_dest; - AT91PS_DataFlash pFlash = &DataFlashInst; - - pFlash = AT91F_DataflashSelect (pFlash, &AddrToWrite); - - if (pFlash == 0) - return ERR_UNKNOWN_FLASH_TYPE; - - if (size_dataflash(pFlash,addr_dest,size) == 0) - return ERR_INVAL; - - if (prot_dataflash(pFlash,addr_dest) == 0) - return ERR_PROTECTED; - - if (AddrToWrite == -1) - return -1; - - return AT91F_DataFlashWrite (pFlash, (uchar *)addr_src, - AddrToWrite, size); -} - -void dataflash_perror (int err) -{ - switch (err) { - case ERR_OK: - break; - case ERR_TIMOUT: - printf("Timeout writing to DataFlash\n"); - break; - case ERR_PROTECTED: - printf("Can't write to protected/invalid DataFlash sectors\n"); - break; - case ERR_INVAL: - printf("Outside available DataFlash\n"); - break; - case ERR_UNKNOWN_FLASH_TYPE: - printf("Unknown Type of DataFlash\n"); - break; - case ERR_PROG_ERROR: - printf("General DataFlash Programming Error\n"); - break; - default: - printf("%s[%d] FIXME: rc=%d\n", __FILE__, __LINE__, err); - break; - } -} |