[INKA4x0] NG hardware: flash support
[platform/kernel/u-boot.git] / drivers / dataflash.c
index 17eb859..91903c8 100644 (file)
 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);
@@ -45,22 +94,28 @@ 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 );
+                               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);
+               dfcode = AT91F_DataflashProbe (cs[i][1],
+                               &dataflash_info[i].Desc);
 
                switch (dfcode) {
                case AT45DB161:
@@ -72,6 +127,7 @@ int AT91F_DataflashInit (void)
                        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:
@@ -83,6 +139,7 @@ int AT91F_DataflashInit (void)
                        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:
@@ -94,7 +151,9 @@ int AT91F_DataflashInit (void)
                        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;
@@ -104,9 +163,11 @@ int AT91F_DataflashInit (void)
                        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*/
@@ -114,16 +175,64 @@ int AT91F_DataflashInit (void)
                                (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++) {
-                       dataflash_info[i].Device.area_list[j].start = area_list[j].start + dataflash_info[i].logical_address;
-                       dataflash_info[i].Device.area_list[j].end = area_list[j].end + dataflash_info[i].logical_address;
-                       dataflash_info[i].Device.area_list[j].protected = area_list[j].protected;
+                       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 (1);
+       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)
 {
@@ -131,25 +240,25 @@ void dataflash_print_info (void)
 
        for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++) {
                if (dataflash_info[i].id != 0) {
-                       printf ("DataFlash:");
+                       printf("DataFlash:");
                        switch (dataflash_info[i].id) {
                        case AT45DB161:
-                               printf ("AT45DB161\n");
+                               printf("AT45DB161\n");
                                break;
 
                        case AT45DB321:
-                               printf ("AT45DB321\n");
+                               printf("AT45DB321\n");
                                break;
 
                        case AT45DB642:
-                               printf ("AT45DB642\n");
+                               printf("AT45DB642\n");
                                break;
                        case AT45DB128:
-                               printf ("AT45DB128\n");
+                               printf("AT45DB128\n");
                                break;
                        }
 
-                       printf ("Nb pages: %6d\n"
+                       printf("Nb pages: %6d\n"
                                "Page Size: %6d\n"
                                "Size=%8d bytes\n"
                                "Logical address: 0x%08X\n",
@@ -159,28 +268,44 @@ void dataflash_print_info (void)
                                dataflash_info[i].Device.pages_size,
                                (unsigned int) dataflash_info[i].logical_address);
                        for (j=0; j< NB_DATAFLASH_AREA; j++) {
-                               printf ("Area %i:\t%08lX to %08lX %s\n", 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)" : "");
+                               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)
+/*---------------------------------------------------------------------------*/
+/* 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 ((*addr & 0xFF000000) == dataflash_info[i].logical_address) {
+               if ( dataflash_info[i].id
+                       && ((((int) addr) & 0xFF000000) ==
+                       dataflash_info[i].logical_address)) {
                        addr_valid = 1;
                        break;
                }
@@ -194,10 +319,10 @@ AT91PS_DataFlash AT91F_DataflashSelect (AT91PS_DataFlash pFlash, unsigned long *
        return (pFlash);
 }
 
-/*------------------------------------------------------------------------------*/
-/* Function Name       : addr_dataflash                                        */
-/* Object              : Test if address is valid                              */
-/*------------------------------------------------------------------------------*/
+/*---------------------------------------------------------------------------*/
+/* Function Name       : addr_dataflash                                     */
+/* Object              : Test if address is valid                           */
+/*---------------------------------------------------------------------------*/
 int addr_dataflash (unsigned long addr)
 {
        int addr_valid = 0;
@@ -213,25 +338,27 @@ int addr_dataflash (unsigned long addr)
 
        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)
+/*---------------------------------------------------------------------------*/
+/* 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;
+               pdataFlash->pDevice->pages_number) -
+               ((int)addr & 0x0FFFFFFF))) return 0;
 
        return 1;
 }
-/*-----------------------------------------------------------------------------*/
-/* Function Name       : prot_dataflash                                        */
-/* Object              : Test if destination area is protected                 */
-/*-----------------------------------------------------------------------------*/
+/*---------------------------------------------------------------------------*/
+/* Function Name       : prot_dataflash                                     */
+/* Object              : Test if destination area is protected              */
+/*---------------------------------------------------------------------------*/
 int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr)
 {
 int area;
@@ -241,17 +368,23 @@ int area;
                        (addr < pdataFlash->pDevice->area_list[area].end))
                        break;
        }
-       if (area == NB_DATAFLASH_AREA) return -1;
+       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_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)
+/*--------------------------------------------------------------------------*/
+/* 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 */
@@ -267,27 +400,38 @@ int i,j, area1, area2, addr_valid = 0;
        }
        /* find start area */
        for (area1=0; area1 < NB_DATAFLASH_AREA; area1++) {
-               if (start_addr == dataflash_info[i].Device.area_list[area1].start) break;
+               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 (end_addr == dataflash_info[i].Device.area_list[area2].end)
+                       break;
        }
-       if (area2 == NB_DATAFLASH_AREA) return -1;
+       if (area2 == NB_DATAFLASH_AREA)
+               return -1;
 
        /*set protection value*/
        for(j = area1; j < area2+1 ; j++)
-               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;
+               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                                 */
-/*------------------------------------------------------------------------------*/
+/*---------------------------------------------------------------------------*/
+/* Function Name       : read_dataflash                                     */
+/* Object              : dataflash memory read                              */
+/*---------------------------------------------------------------------------*/
 int read_dataflash (unsigned long addr, unsigned long size, char *result)
 {
        unsigned long AddrToRead = addr;
@@ -305,12 +449,12 @@ int read_dataflash (unsigned long addr, unsigned long size, char *result)
 }
 
 
-/*-----------------------------------------------------------------------------*/
-/* Function Name       : write_dataflash                                      */
-/* Object              : write a block in dataflash                           */
-/*-----------------------------------------------------------------------------*/
+/*---------------------------------------------------------------------------*/
+/* 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 size)
 {
        unsigned long AddrToWrite = addr_dest;
        AT91PS_DataFlash pFlash = &DataFlashInst;
@@ -329,7 +473,8 @@ int write_dataflash (unsigned long addr_dest, unsigned long addr_src,
        if (AddrToWrite == -1)
                return -1;
 
-       return AT91F_DataFlashWrite (pFlash, (uchar *)addr_src, AddrToWrite, size);
+       return AT91F_DataFlashWrite (pFlash, (uchar *)addr_src,
+                                               AddrToWrite, size);
 }
 
 
@@ -339,22 +484,22 @@ void dataflash_perror (int err)
        case ERR_OK:
                break;
        case ERR_TIMOUT:
-               printf ("Timeout writing to DataFlash\n");
+               printf("Timeout writing to DataFlash\n");
                break;
        case ERR_PROTECTED:
-               printf ("Can't write to protected DataFlash sectors\n");
+               printf("Can't write to protected/invalid DataFlash sectors\n");
                break;
        case ERR_INVAL:
-               printf ("Outside available DataFlash\n");
+               printf("Outside available DataFlash\n");
                break;
        case ERR_UNKNOWN_FLASH_TYPE:
-               printf ("Unknown Type of DataFlash\n");
+               printf("Unknown Type of DataFlash\n");
                break;
        case ERR_PROG_ERROR:
-               printf ("General DataFlash Programming Error\n");
+               printf("General DataFlash Programming Error\n");
                break;
        default:
-               printf ("%s[%d] FIXME: rc=%d\n", __FILE__, __LINE__, err);
+               printf("%s[%d] FIXME: rc=%d\n", __FILE__, __LINE__, err);
                break;
        }
 }