Drop CONFIG_HAS_DATAFLASH

Last user of this option went away in commit:

fdc7718999 ("board: usb_a9263: Update to support DT and DM")

Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>

1 files changed, 0 insertions, 545 deletions

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);
-}