summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--am29f040b.c5
-rw-r--r--chipdrivers.h5
-rw-r--r--flashchips.c210
-rw-r--r--m29f400bt.c12
-rw-r--r--mx29f002.c33
5 files changed, 246 insertions, 19 deletions
diff --git a/am29f040b.c b/am29f040b.c
index cfa6c49..62774ba 100644
--- a/am29f040b.c
+++ b/am29f040b.c
@@ -20,8 +20,7 @@
#include "flash.h"
-/* FIMXE: check that the 2 second delay is really needed.
- Use erase_sector_jedec if not? */
+/* FIMXE: Use erase_sector_jedec if not? */
int erase_sector_29f040b(struct flashchip *flash, unsigned int address, unsigned int blocklen)
{
chipaddr bios = flash->virtual_memory;
@@ -33,7 +32,7 @@ int erase_sector_29f040b(struct flashchip *flash, unsigned int address, unsigned
chip_writeb(0x55, bios + 0x2AA);
chip_writeb(0x30, bios + address);
- programmer_delay(2 * 1000 * 1000);
+ programmer_delay(10);
/* wait for Toggle bit ready */
toggle_ready_jedec(bios + address);
diff --git a/chipdrivers.h b/chipdrivers.h
index a4e1273..adcb46d 100644
--- a/chipdrivers.h
+++ b/chipdrivers.h
@@ -97,7 +97,8 @@ int write_m29f002b(struct flashchip *flash, uint8_t *buf);
/* m29f400bt.c */
int probe_m29f400bt(struct flashchip *flash);
int erase_m29f400bt(struct flashchip *flash);
-int block_erase_m29f400bt(struct flashchip *flash, int start, int len);
+int block_erase_m29f400bt(struct flashchip *flash, unsigned int start, unsigned int len);
+int block_erase_chip_m29f400bt(struct flashchip *flash, unsigned int start, unsigned int len);
int write_m29f400bt(struct flashchip *flash, uint8_t *buf);
int write_coreboot_m29f400bt(struct flashchip *flash, uint8_t *buf);
void protect_m29f400bt(chipaddr bios);
@@ -107,6 +108,8 @@ void write_page_m29f400bt(chipaddr bios, uint8_t *src,
/* mx29f002.c */
int probe_29f002(struct flashchip *flash);
int erase_29f002(struct flashchip *flash);
+int erase_chip_29f002(struct flashchip *flash, unsigned int addr, unsigned int blocklen);
+int erase_sector_29f002(struct flashchip *flash, unsigned int address, unsigned int blocklen);
int write_29f002(struct flashchip *flash, uint8_t *buf);
/* pm49fl00x.c */
diff --git a/flashchips.c b/flashchips.c
index bf38c4b..59f9139 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -1166,7 +1166,22 @@ struct flashchip flashchips[] = {
.tested = TEST_UNTESTED,
.probe = probe_29f002,
.probe_timing = TIMING_IGNORED, /* routine don't use probe_timing (mx29f002.c) */
- .erase = erase_29f002,
+ .erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = {
+ {16 * 1024, 1},
+ {8 * 1024, 2},
+ {32 * 1024, 1},
+ {64 * 1024, 3},
+ },
+ .block_erase = erase_sector_29f002,
+ }, {
+ .eraseblocks = { {256 * 1024, 1} },
+ .block_erase = erase_chip_29f002,
+ },
+ },
.write = write_jedec_1,
.read = read_memmapped,
},
@@ -1179,10 +1194,25 @@ struct flashchip flashchips[] = {
.model_id = AMIC_A29002T,
.total_size = 256,
.page_size = 64 * 1024,
- .tested = TEST_OK_PRE,
+ .tested = TEST_OK_PR,
.probe = probe_29f002,
.probe_timing = TIMING_IGNORED, /* routine don't use probe_timing (mx29f002.c) */
- .erase = erase_29f002,
+ .erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = {
+ {64 * 1024, 3},
+ {32 * 1024, 1},
+ {8 * 1024, 2},
+ {16 * 1024, 1},
+ },
+ .block_erase = erase_sector_29f002,
+ }, {
+ .eraseblocks = { {256 * 1024, 1} },
+ .block_erase = erase_chip_29f002,
+ },
+ },
.write = write_jedec_1,
.read = read_memmapped,
},
@@ -1448,7 +1478,23 @@ struct flashchip flashchips[] = {
.tested = TEST_OK_PROBE,
.probe = probe_spi_rdid,
.probe_timing = TIMING_ZERO,
- .erase = spi_chip_erase_60_c7,
+ .erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = { {4 * 1024, 2048} },
+ .block_erase = spi_block_erase_20,
+ }, {
+ .eraseblocks = { {4 * 1024, 2048} },
+ .block_erase = spi_block_erase_d8,
+ }, {
+ .eraseblocks = { {8 * 1024 * 1024, 1} },
+ .block_erase = spi_block_erase_60,
+ }, {
+ .eraseblocks = { {8 * 1024 * 1024, 1} },
+ .block_erase = spi_block_erase_c7,
+ },
+ },
.write = spi_chip_write_256,
.read = spi_chip_read,
},
@@ -1512,7 +1558,22 @@ struct flashchip flashchips[] = {
.tested = TEST_UNTESTED,
.probe = probe_jedec,
.probe_timing = TIMING_ZERO, /* Datasheet has no timing info specified */
- .erase = erase_chip_jedec,
+ .erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = {
+ {64 * 1024, 3},
+ {32 * 1024, 1},
+ {8 * 1024, 2},
+ {16 * 1024, 1},
+ },
+ .block_erase = erase_sector_jedec,
+ }, {
+ .eraseblocks = { {256 * 1024, 1} },
+ .block_erase = erase_chip_block_jedec,
+ },
+ },
.write = write_jedec_1,
.read = read_memmapped,
},
@@ -1525,10 +1586,25 @@ struct flashchip flashchips[] = {
.model_id = EN_29F002T,
.total_size = 256,
.page_size = 256,
- .tested = TEST_OK_PRE,
+ .tested = TEST_OK_PR,
.probe = probe_jedec,
.probe_timing = TIMING_ZERO, /* Datasheet has no timing info specified */
- .erase = erase_chip_jedec,
+ .erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = {
+ {16 * 1024, 1},
+ {8 * 1024, 2},
+ {32 * 1024, 1},
+ {64 * 1024, 3},
+ },
+ .block_erase = erase_sector_jedec,
+ }, {
+ .eraseblocks = { {256 * 1024, 1} },
+ .block_erase = erase_chip_block_jedec,
+ },
+ },
.write = write_jedec_1,
.read = read_memmapped,
},
@@ -1545,6 +1621,21 @@ struct flashchip flashchips[] = {
.probe = probe_jedec,
.probe_timing = TIMING_ZERO, /* Datasheet has no timing info specified */
.erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = {
+ {16 * 1024, 1},
+ {8 * 1024, 2},
+ {32 * 1024, 1},
+ {64 * 1024, 7},
+ },
+ .block_erase = erase_sector_29f040b,
+ }, {
+ .eraseblocks = { {512 * 1024, 1} },
+ .block_erase = erase_chip_29f040b,
+ },
+ },
.write = NULL,
.read = read_memmapped,
},
@@ -1561,6 +1652,21 @@ struct flashchip flashchips[] = {
.probe = probe_jedec,
.probe_timing = TIMING_ZERO, /* Datasheet has no timing info specified */
.erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = {
+ {64 * 1024, 7},
+ {32 * 1024, 1},
+ {8 * 1024, 2},
+ {16 * 1024, 1},
+ },
+ .block_erase = erase_sector_29f040b,
+ }, {
+ .eraseblocks = { {512 * 1024, 1} },
+ .block_erase = erase_chip_29f040b,
+ },
+ },
.write = NULL,
.read = read_memmapped,
},
@@ -1576,7 +1682,22 @@ struct flashchip flashchips[] = {
.tested = TEST_UNTESTED,
.probe = probe_m29f400bt,
.probe_timing = TIMING_IGNORED, /* routine don't use probe_timing (m29f400bt.c) */
- .erase = erase_m29f400bt,
+ .erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = {
+ {16 * 1024, 1},
+ {8 * 1024, 2},
+ {32 * 1024, 1},
+ {64 * 1024, 7},
+ },
+ .block_erase = block_erase_m29f400bt,
+ }, {
+ .eraseblocks = { {512 * 1024, 1} },
+ .block_erase = block_erase_chip_m29f400bt,
+ },
+ },
.write = write_coreboot_m29f400bt,
.read = read_memmapped,
},
@@ -1592,7 +1713,22 @@ struct flashchip flashchips[] = {
.tested = TEST_UNTESTED,
.probe = probe_m29f400bt,
.probe_timing = TIMING_IGNORED, /* routine don't use probe_timing (m29f400bt.c) */
- .erase = erase_m29f400bt,
+ .erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = {
+ {64 * 1024, 7},
+ {32 * 1024, 1},
+ {8 * 1024, 2},
+ {16 * 1024, 1},
+ },
+ .block_erase = block_erase_m29f400bt,
+ }, {
+ .eraseblocks = { {512 * 1024, 1} },
+ .block_erase = block_erase_chip_m29f400bt,
+ },
+ },
.write = write_coreboot_m29f400bt,
.read = read_memmapped,
},
@@ -1892,10 +2028,26 @@ struct flashchip flashchips[] = {
.model_id = MX_25L3205,
.total_size = 4096,
.page_size = 256,
- .tested = TEST_OK_PREW,
+ .tested = TEST_OK_PRW,
.probe = probe_spi_rdid,
.probe_timing = TIMING_ZERO,
- .erase = spi_chip_erase_60_c7,
+ .erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = { {4 * 1024, 1024} },
+ .block_erase = spi_block_erase_20,
+ }, {
+ .eraseblocks = { {4 * 1024, 1024} },
+ .block_erase = spi_block_erase_d8,
+ }, {
+ .eraseblocks = { {4 * 1024 * 1024, 1} },
+ .block_erase = spi_block_erase_60,
+ }, {
+ .eraseblocks = { {4 * 1024 * 1024, 1} },
+ .block_erase = spi_block_erase_c7,
+ },
+ },
.write = spi_chip_write_256,
.read = spi_chip_read,
},
@@ -1991,7 +2143,22 @@ struct flashchip flashchips[] = {
.tested = TEST_UNTESTED,
.probe = probe_29f002,
.probe_timing = TIMING_IGNORED, /* routine don't use probe_timing (mx29f002.c) */
- .erase = erase_29f002,
+ .erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = {
+ {16 * 1024, 1},
+ {8 * 1024, 2},
+ {32 * 1024, 1},
+ {64 * 1024, 3},
+ },
+ .block_erase = erase_sector_29f002, /* This erase function has 64k blocksize for eLiteFlash */
+ }, {
+ .eraseblocks = { {256 * 1024, 1} },
+ .block_erase = erase_chip_29f002,
+ },
+ },
.write = write_jedec_1,
.read = read_memmapped,
},
@@ -2004,10 +2171,25 @@ struct flashchip flashchips[] = {
.model_id = MX_29F002T,
.total_size = 256,
.page_size = 64 * 1024,
- .tested = TEST_OK_PRE,
+ .tested = TEST_OK_PR,
.probe = probe_29f002,
.probe_timing = TIMING_IGNORED, /* routine don't use probe_timing (mx29f002.c) */
- .erase = erase_29f002,
+ .erase = NULL,
+ .block_erasers =
+ {
+ {
+ .eraseblocks = {
+ {64 * 1024, 3},
+ {32 * 1024, 1},
+ {8 * 1024, 2},
+ {16 * 1024, 1},
+ },
+ .block_erase = erase_sector_29f002, /* This erase function has 64k blocksize for eLiteFlash */
+ }, {
+ .eraseblocks = { {256 * 1024, 1} },
+ .block_erase = erase_chip_29f002,
+ },
+ },
.write = write_jedec_1,
.read = read_memmapped,
},
diff --git a/m29f400bt.c b/m29f400bt.c
index c327f44..e77572a 100644
--- a/m29f400bt.c
+++ b/m29f400bt.c
@@ -102,7 +102,7 @@ int erase_m29f400bt(struct flashchip *flash)
return 0;
}
-int block_erase_m29f400bt(struct flashchip *flash, int start, int len)
+int block_erase_m29f400bt(struct flashchip *flash, unsigned int start, unsigned int len)
{
chipaddr bios = flash->virtual_memory;
chipaddr dst = bios + start;
@@ -126,6 +126,16 @@ int block_erase_m29f400bt(struct flashchip *flash, int start, int len)
return 0;
}
+int block_erase_chip_m29f400bt(struct flashchip *flash, unsigned int address, unsigned int blocklen)
+{
+ if ((address != 0) || (blocklen != flash->total_size * 1024)) {
+ fprintf(stderr, "%s called with incorrect arguments\n",
+ __func__);
+ return -1;
+ }
+ return erase_m29f400bt(flash);
+}
+
int write_m29f400bt(struct flashchip *flash, uint8_t *buf)
{
int i;
diff --git a/mx29f002.c b/mx29f002.c
index 7838c3d..411e539 100644
--- a/mx29f002.c
+++ b/mx29f002.c
@@ -43,6 +43,39 @@ int probe_29f002(struct flashchip *flash)
return 0;
}
+int erase_sector_29f002(struct flashchip *flash, unsigned int address, unsigned int blocklen)
+{
+ chipaddr bios = flash->virtual_memory;
+
+ chip_writeb(0xAA, bios + 0x555);
+ chip_writeb(0x55, bios + 0x2AA);
+ chip_writeb(0x80, bios + 0x555);
+ chip_writeb(0xAA, bios + 0x555);
+ chip_writeb(0x55, bios + 0x2AA);
+ chip_writeb(0x30, bios + address);
+
+ programmer_delay(10);
+
+ /* wait for Toggle bit ready */
+ toggle_ready_jedec(bios + address);
+
+ if (check_erased_range(flash, address, blocklen)) {
+ fprintf(stderr, "ERASE FAILED!\n");
+ return -1;
+ }
+ return 0;
+}
+
+int erase_chip_29f002(struct flashchip *flash, unsigned int addr, unsigned int blocklen)
+{
+ if ((addr != 0) || (blocklen != flash->total_size * 1024)) {
+ fprintf(stderr, "%s called with incorrect arguments\n",
+ __func__);
+ return -1;
+ }
+ return erase_29f002(flash);
+}
+
/* FIXME: Use erase_chip_jedec?
* erase_29f002 uses shorter addresses, sends F0 (exit ID mode) and
* and has a bigger delay before polling the toggle bit */
OpenPOWER on IntegriCloud