diff options
Diffstat (limited to 'drivers/dataflash.c')
| -rw-r--r-- | drivers/dataflash.c | 507 |
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 |