drivers/mtd : move mtd drivers to drivers/mtd

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 0 insertions, 507 deletions

diff --git a/drivers/dataflash.c b/drivers/dataflash.c
deleted file mode 100644
index 91903c8..0000000
--- a/drivers/dataflash.c
+++ /dev/null
@@ -1,507 +0,0 @@
-/* LowLevel function for ATMEL DataFlash support
- * Author : Hamid Ikdoumi (Atmel)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-#include <common.h>
-#include <config.h>
-#ifdef CONFIG_HAS_DATAFLASH
-#include <asm/hardware.h>
-#include <dataflash.h>
-
-AT91S_DATAFLASH_INFO dataflash_info[CFG_MAX_DATAFLASH_BANKS];
-static AT91S_DataFlash DataFlashInst;
-
-#ifdef CONFIG_AT91SAM9260EK
-int cs[][CFG_MAX_DATAFLASH_BANKS] = {
-	{CFG_DATAFLASH_LOGIC_ADDR_CS0, 0},	/* Logical adress, CS */
-	{CFG_DATAFLASH_LOGIC_ADDR_CS1, 1}
-};
-#elif defined(CONFIG_AT91SAM9263EK)
-int cs[][CFG_MAX_DATAFLASH_BANKS] = {
-	{CFG_DATAFLASH_LOGIC_ADDR_CS0, 0}	/* Logical adress, CS */
-};
-#else
-int cs[][CFG_MAX_DATAFLASH_BANKS] = {
-	{CFG_DATAFLASH_LOGIC_ADDR_CS0, 0},	/* Logical adress, CS */
-	{CFG_DATAFLASH_LOGIC_ADDR_CS3, 3}
-};
-#endif
-
-/*define the area offsets*/
-#if defined(CONFIG_AT91SAM9261EK) || defined(CONFIG_AT91SAM9260EK) || defined(CONFIG_AT91SAM9263EK)
-#if	defined(CONFIG_NEW_PARTITION)
-dataflash_protect_t area_list[NB_DATAFLASH_AREA] = {
-	{0x00000000,	0x00003FFF, 	FLAG_PROTECT_SET,	0,    		"Bootstrap"},  	/* ROM code */
-	{0x00004200,	0x000083FF, 	FLAG_PROTECT_CLEAR,	0,    		"Environment"},	/* u-boot environment */
-	{0x00008400,	0x0003DDFF,	FLAG_PROTECT_SET,	0,    		"U-Boot"},     	/* u-boot code */
-	{0x0003DE00,	0x00041FFF,	FLAG_PROTECT_CLEAR,	FLAG_SETENV,	"MON"},	       	/* Room for alternative boot monitor */
-	{0x00042000,	0x0018BFFF,	FLAG_PROTECT_CLEAR,	FLAG_SETENV,	"OS"},	       	/* data area size to tune */
-	{0x0018C000,	0xFFFFFFFF,	FLAG_PROTECT_CLEAR,	FLAG_SETENV,	"FS"},	       	/* data area size to tune */
-};
-#else
-dataflash_protect_t area_list[NB_DATAFLASH_AREA] = {
-	{0, 0x3fff, FLAG_PROTECT_SET},			/* ROM code */
-	{0x4000, 0x7fff, FLAG_PROTECT_CLEAR},		/* u-boot environment */
-	{0x8000, 0x37fff, FLAG_PROTECT_SET},		/* u-boot code */
-	{0x38000, 0x1fffff, FLAG_PROTECT_CLEAR},	/* data area size to tune */
-};
-#endif
-#elif defined(CONFIG_NEW_PARTITION)
-/*define the area offsets*/
-/* Invalid partitions should be defined with start > end */
-dataflash_protect_t area_list[NB_DATAFLASH_AREA*CFG_MAX_DATAFLASH_BANKS] = {
-	{0x00000000, 0x000083ff, FLAG_PROTECT_SET,	0,		"Bootstrap"},	/* ROM code */
-	{0x00008400, 0x00020fff, FLAG_PROTECT_SET,	0,		"U-Boot"},	/* u-boot code */
-	{0x00021000, 0x000293ff, FLAG_PROTECT_CLEAR,	0,		"Environment"},	/* u-boot environment 8Kb */
-	{0x00029400, 0x00041fff, FLAG_PROTECT_INVALID,	0,		"<Unused>"},	/* Rest of Sector 1 */
-	{0x00042000, 0x0018Bfff, FLAG_PROTECT_CLEAR,	FLAG_SETENV,	"OS"},	/* data area size to tune */
-	{0x0018C000, 0xffffffff, FLAG_PROTECT_CLEAR,	FLAG_SETENV,	"FS"},	/* data area size to tune */
-
-	{0x00000000, 0xffffffff, FLAG_PROTECT_CLEAR,	FLAG_SETENV,	"Data"},	/* data area */
-	{0xffffffff, 0x00000000, FLAG_PROTECT_INVALID,	0,		"<Invalid>"},	/* Invalid */
-	{0xffffffff, 0x00000000, FLAG_PROTECT_INVALID,	0,		"<Invalid>"},	/* Invalid */
-	{0xffffffff, 0x00000000, FLAG_PROTECT_INVALID,	0,		"<Invalid>"},	/* Invalid */
-	{0xffffffff, 0x00000000, FLAG_PROTECT_INVALID,	0,		"<Invalid>"},	/* Invalid */
-	{0xffffffff, 0x00000000, FLAG_PROTECT_INVALID,	0,		"<Invalid>"},	/* Invalid */
-};
-#else
-dataflash_protect_t area_list[NB_DATAFLASH_AREA] = {
-	{0, 0x7fff, FLAG_PROTECT_SET},			/* ROM code */
-	{0x8000, 0x1ffff, FLAG_PROTECT_SET},		/* u-boot code */
-	{0x20000, 0x27fff, FLAG_PROTECT_CLEAR},		/* u-boot environment */
-	{0x28000, 0x1fffff, FLAG_PROTECT_CLEAR},	/* data area size to tune */
-};
-#endif
-
-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 = 0;
-	int last_part;
-	int found[CFG_MAX_DATAFLASH_BANKS];
-	unsigned char protected;
-
-	AT91F_SpiInit ();
-
-	for (i = 0; i < CFG_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][1],
-				&dataflash_info[i].Desc);
-
-		switch (dfcode) {
-		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][1];
-			dataflash_info[i].Desc.DataFlash_state = IDLE;
-			dataflash_info[i].logical_address = cs[i][0];
-			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][1];
-			dataflash_info[i].Desc.DataFlash_state = IDLE;
-			dataflash_info[i].logical_address = cs[i][0];
-			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][1];
-			dataflash_info[i].Desc.DataFlash_state = IDLE;
-			dataflash_info[i].logical_address = cs[i][0];
-			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][1];
-			dataflash_info[i].Desc.DataFlash_state = IDLE;
-			dataflash_info[i].logical_address = cs[i][0];
-			dataflash_info[i].id = dfcode;
-			found[i] += dfcode;;
-			break;
-
-		default:
-			dfcode = 0;
-			break;
-		}
-		/* set the last area end to the dataflash size*/
-		area_list[NB_DATAFLASH_AREA -1].end =
-				(dataflash_info[i].Device.pages_number *
-				dataflash_info[i].Device.pages_size)-1;
-
-		last_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;
-					last_part = 1;
-				} 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];
-}
-
-#ifdef	CONFIG_NEW_DF_PARTITION
-int AT91F_DataflashSetEnv (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 < CFG_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(s,"%X",start);
-				setenv(area_list[part].label,s);
-			}
-			part++;
-		}
-	}
-}
-#endif
-
-void dataflash_print_info (void)
-{
-	int i, j;
-
-	for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++) {
-		if (dataflash_info[i].id != 0) {
-			printf("DataFlash:");
-			switch (dataflash_info[i].id) {
-			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)" : "    ");
-#ifdef	CONFIG_NEW_DF_PARTITION
-						printf(" %s\n",	dataflash_info[i].Device.area_list[j].label);
-#else
-						printf("\n");
-#endif
-					break;
-#ifdef	CONFIG_NEW_DF_PARTITION
-				case	FLAG_PROTECT_INVALID:
-					break;
-#endif
-				}
-			}
-		}
-	}
-}
-
-
-/*---------------------------------------------------------------------------*/
-/* 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 < CFG_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 < CFG_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 < CFG_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;
-	}
-}
-
-#endif