Changeset 1522 for trunk/flashchips.c

Timestamp:

Apr 15, 2012 3:16:32 PM (13 months ago)

Author:

uwe

Message:

Add support for for the Atmel AT49F040 chip.

Chip features an optional permanent boot block write protection.

Signed-off-by: David Borg <borg.db@…>
Signed-off-by: Stefan Tauner <stefan.tauner@…>
Acked-by: Uwe Hermann <uwe@…>

File:

• trunk/flashchips.c (modified) (2 diffs)

trunk/flashchips.c

@@ -2227 +2227 @@
         {
                 .vendor         = "Atmel",
-                .name           = "AT49F020",
-                .bustype        = BUS_PARALLEL,
-                .manufacture_id = ATMEL_ID,
-                .model_id       = ATMEL_AT49F020,
-                .total_size     = 256,
-                .page_size      = 256,
-                .feature_bits   = FEATURE_EITHER_RESET,
-                .tested         = TEST_OK_PRE,
-                .probe          = probe_jedec,
-                .probe_timing   = TIMING_ZERO,  /* Datasheet has no timing info specified */
-                .block_erasers  =
-                {
-                        {
-                                .eraseblocks = { {256 * 1024, 1} },
-                                .block_erase = erase_chip_block_jedec,
-                        }
-                },
-                .write          = write_jedec_1,
-                .read           = read_memmapped,
-                .voltage        = {4500, 5500},
-        },
-
-        {
-                .vendor         = "Atmel",
                 .name           = "AT49F002(N)",
                 .bustype        = BUS_PARALLEL,
@@ -2308 +2284 @@
                         }
                 },
+                .write          = write_jedec_1,
+                .read           = read_memmapped,
+                .voltage        = {4500, 5500},
+        },
+
+        {
+                .vendor         = "Atmel",
+                .name           = "AT49F020",
+                .bustype        = BUS_PARALLEL,
+                .manufacture_id = ATMEL_ID,
+                .model_id       = ATMEL_AT49F020,
+                .total_size     = 256,
+                .page_size      = 256,
+                .feature_bits   = FEATURE_EITHER_RESET,
+                .tested         = TEST_OK_PRE,
+                .probe          = probe_jedec,
+                .probe_timing   = TIMING_ZERO,  /* Datasheet has no timing info specified */
+                .block_erasers  =
+                {
+                        {
+                                .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,