forked from luck/tmp_suning_uos_patched
[MTD] CHIPS: Support for SST 49LF040B flash chip
Add chip driver and JEDEC probe support for the SST 49LF040B flash chip. Signed-off-by: Ryan Jackson <rjackson@lnxi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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parent
c9073ce02a
commit
89072ef993
drivers/mtd/chips
@ -48,6 +48,7 @@
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#define MANUFACTURER_ATMEL 0x001F
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#define MANUFACTURER_SST 0x00BF
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#define SST49LF004B 0x0060
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#define SST49LF040B 0x0050
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#define SST49LF008A 0x005a
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#define AT49BV6416 0x00d6
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@ -233,6 +234,7 @@ static struct cfi_fixup cfi_fixup_table[] = {
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};
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static struct cfi_fixup jedec_fixup_table[] = {
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{ MANUFACTURER_SST, SST49LF004B, fixup_use_fwh_lock, NULL, },
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{ MANUFACTURER_SST, SST49LF040B, fixup_use_fwh_lock, NULL, },
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{ MANUFACTURER_SST, SST49LF008A, fixup_use_fwh_lock, NULL, },
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{ 0, 0, NULL, NULL }
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};
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@ -519,10 +521,12 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
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if (mode == FL_WRITING) /* FIXME: Erase-suspend-program appears broken. */
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goto sleep;
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if (!(mode == FL_READY || mode == FL_POINT
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if (!( mode == FL_READY
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|| mode == FL_POINT
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|| !cfip
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|| (mode == FL_WRITING && (cfip->EraseSuspend & 0x2))
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|| (mode == FL_WRITING && (cfip->EraseSuspend & 0x1))))
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|| (mode == FL_WRITING && (cfip->EraseSuspend & 0x1)
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)))
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goto sleep;
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/* We could check to see if we're trying to access the sector
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@ -154,6 +154,7 @@
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#define SST39SF010A 0x00B5
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#define SST39SF020A 0x00B6
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#define SST49LF004B 0x0060
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#define SST49LF040B 0x0050
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#define SST49LF008A 0x005a
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#define SST49LF030A 0x001C
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#define SST49LF040A 0x0051
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@ -1400,6 +1401,20 @@ static const struct amd_flash_info jedec_table[] = {
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ERASEINFO(0x01000,64),
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}
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}, {
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.mfr_id = MANUFACTURER_SST,
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.dev_id = SST49LF040B,
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.name = "SST 49LF040B",
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.uaddr = {
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[0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
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},
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.DevSize = SIZE_512KiB,
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.CmdSet = P_ID_AMD_STD,
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.NumEraseRegions= 1,
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.regions = {
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ERASEINFO(0x01000,128),
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}
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}, {
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.mfr_id = MANUFACTURER_SST,
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.dev_id = SST49LF004B,
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.name = "SST 49LF004B",
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