Author: uwe
Date: Sun Apr 15 15:16:32 2012
New Revision: 1522
URL: http://flashrom.org/trac/flashrom/changeset/1522

Log:
Add support for for the Atmel AT49F040 chip.

Chip features an optional permanent boot block write protection.

Signed-off-by: David Borg <[email protected]>
Signed-off-by: Stefan Tauner <[email protected]>
Acked-by: Uwe Hermann <[email protected]>

Modified:
   trunk/chipdrivers.h
   trunk/flashchips.c
   trunk/flashchips.h
   trunk/w39.c

Modified: trunk/chipdrivers.h
==============================================================================
--- trunk/chipdrivers.h Sun Apr 15 00:51:40 2012        (r1521)
+++ trunk/chipdrivers.h Sun Apr 15 15:16:32 2012        (r1522)
@@ -149,6 +149,7 @@
 int printlock_w39v080fa_dual(struct flashctx *flash);
 int unlock_w39v040fb(struct flashctx *flash);
 int unlock_w39v080fa(struct flashctx *flash);
+int printlock_at49f(struct flashctx *flash);
 
 /* w29ee011.c */
 int probe_w29ee011(struct flashctx *flash);

Modified: trunk/flashchips.c
==============================================================================
--- trunk/flashchips.c  Sun Apr 15 00:51:40 2012        (r1521)
+++ trunk/flashchips.c  Sun Apr 15 15:16:32 2012        (r1522)
@@ -2226,19 +2226,27 @@
 
        {
                .vendor         = "Atmel",
-               .name           = "AT49F020",
+               .name           = "AT49F002(N)",
                .bustype        = BUS_PARALLEL,
                .manufacture_id = ATMEL_ID,
-               .model_id       = ATMEL_AT49F020,
+               .model_id       = ATMEL_AT49F002N,
                .total_size     = 256,
                .page_size      = 256,
                .feature_bits   = FEATURE_EITHER_RESET,
-               .tested         = TEST_OK_PRE,
+               .tested         = TEST_UNTESTED,
                .probe          = probe_jedec,
                .probe_timing   = TIMING_ZERO,  /* Datasheet has no timing info 
specified */
                .block_erasers  =
                {
                        {
+                               .eraseblocks = {
+                                       {16 * 1024, 1},
+                                       {8 * 1024, 2},
+                                       {96 * 1024, 1},
+                                       {128 * 1024, 1},
+                               },
+                               .block_erase = erase_sector_jedec,
+                       }, {
                                .eraseblocks = { {256 * 1024, 1} },
                                .block_erase = erase_chip_block_jedec,
                        }
@@ -2250,24 +2258,24 @@
 
        {
                .vendor         = "Atmel",
-               .name           = "AT49F002(N)",
+               .name           = "AT49F002(N)T",
                .bustype        = BUS_PARALLEL,
                .manufacture_id = ATMEL_ID,
-               .model_id       = ATMEL_AT49F002N,
+               .model_id       = ATMEL_AT49F002NT,
                .total_size     = 256,
                .page_size      = 256,
                .feature_bits   = FEATURE_EITHER_RESET,
-               .tested         = TEST_UNTESTED,
+               .tested         = TEST_OK_PR,
                .probe          = probe_jedec,
                .probe_timing   = TIMING_ZERO,  /* Datasheet has no timing info 
specified */
                .block_erasers  =
                {
                        {
                                .eraseblocks = {
-                                       {16 * 1024, 1},
-                                       {8 * 1024, 2},
-                                       {96 * 1024, 1},
                                        {128 * 1024, 1},
+                                       {96 * 1024, 1},
+                                       {8 * 1024, 2},
+                                       {16 * 1024, 1},
                                },
                                .block_erase = erase_sector_jedec,
                        }, {
@@ -2282,31 +2290,61 @@
 
        {
                .vendor         = "Atmel",
-               .name           = "AT49F002(N)T",
+               .name           = "AT49F020",
                .bustype        = BUS_PARALLEL,
                .manufacture_id = ATMEL_ID,
-               .model_id       = ATMEL_AT49F002NT,
+               .model_id       = ATMEL_AT49F020,
                .total_size     = 256,
                .page_size      = 256,
                .feature_bits   = FEATURE_EITHER_RESET,
-               .tested         = TEST_OK_PR,
+               .tested         = TEST_OK_PRE,
                .probe          = probe_jedec,
                .probe_timing   = TIMING_ZERO,  /* Datasheet has no timing info 
specified */
                .block_erasers  =
                {
                        {
-                               .eraseblocks = {
-                                       {128 * 1024, 1},
-                                       {96 * 1024, 1},
-                                       {8 * 1024, 2},
-                                       {16 * 1024, 1},
-                               },
-                               .block_erase = erase_sector_jedec,
-                       }, {
                                .eraseblocks = { {256 * 1024, 1} },
                                .block_erase = erase_chip_block_jedec,
                        }
+                       /* Chip features an optional permanent write protection
+                        * of the first 8 kB. The erase function is the same as
+                        * above, but 00000H to 01FFFH will not be erased.
+                        * FIXME: add another eraser when partial erasers are
+                        * supported.
+                        */
+               },
+               .printlock      = printlock_at49f,
+               .write          = write_jedec_1,
+               .read           = read_memmapped,
+               .voltage        = {4500, 5500},
+       },
+
+       {
+               .vendor         = "Atmel",
+               .name           = "AT49F040",
+               .bustype        = BUS_PARALLEL,
+               .manufacture_id = ATMEL_ID,
+               .model_id       = ATMEL_AT49F040,
+               .total_size     = 512,
+               .page_size      = 512,
+               .feature_bits   = FEATURE_EITHER_RESET,
+               .tested         = TEST_UNTESTED,
+               .probe          = probe_jedec,
+               .probe_timing   = TIMING_ZERO,  /* Datasheet has no timing info 
specified */
+               .block_erasers  =
+               {
+                       {
+                               .eraseblocks = { {512 * 1024, 1} },
+                               .block_erase = erase_chip_block_jedec,
+                       }
+                       /* Chip features an optional permanent write protection
+                        * of the first 16 kB. The erase function is the same as
+                        * above, but 00000H to 03FFFH will not be erased.
+                        * FIXME: add another eraser when partial erasers are
+                        * supported.
+                        */
                },
+               .printlock      = printlock_at49f,
                .write          = write_jedec_1,
                .read           = read_memmapped,
                .voltage        = {4500, 5500},

Modified: trunk/flashchips.h
==============================================================================
--- trunk/flashchips.h  Sun Apr 15 00:51:40 2012        (r1521)
+++ trunk/flashchips.h  Sun Apr 15 15:16:32 2012        (r1522)
@@ -184,10 +184,11 @@
 #define ATMEL_AT45DB642                /* No ID available */
 #define ATMEL_AT45DB642D       0x2800
 #define ATMEL_AT49BV512                0x03
-#define ATMEL_AT49F020         0x0B
 #define ATMEL_AT49F002N                0x07    /* for AT49F002(N)  */
-#define ATMEL_AT49F002NT               0x08    /* for AT49F002(N)T */
 #define ATMEL_AT49LH002                0xE9
+#define ATMEL_AT49F002NT       0x08    /* for AT49F002(N)T */
+#define ATMEL_AT49F020         0x0B
+#define ATMEL_AT49F040         0x13
 
 /* Bright Microelectronics has the same manufacturer ID as Hyundai... */
 #define BRIGHT_ID              0xAD    /* Bright Microelectronics */

Modified: trunk/w39.c
==============================================================================
--- trunk/w39.c Sun Apr 15 00:51:40 2012        (r1521)
+++ trunk/w39.c Sun Apr 15 15:16:32 2012        (r1522)
@@ -278,3 +278,11 @@
 
        return 0;
 }
+
+int printlock_at49f(struct flashctx *flash)
+{
+       uint8_t lock = w39_idmode_readb(flash, 0x00002);
+       msg_cdbg("Hardware bootblock lockout is %sactive.\n",
+                (lock & 0x01) ? "" : "not ");
+       return 0;
+}

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