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authorAndrew Victor <andrew@sanpeople.com>2007-03-26 06:02:48 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-03-29 06:28:16 -0400
commit2848e647402719d4a8d03141361caed60f2668da (patch)
tree452f7ea9b86fc16ae0baf4cb1e728eee8e4c4577 /arch
parent190a4408ecb577391ea5fbd1f90148a6992a5756 (diff)
[ARM] 4289/1: AT91: SAM9260 NAND flash timing
Fix the NAND flash timings on the AT91SAM9260. The current timings lead to the detection of a number of bad blocks. These timings are now set the same as on the AT91SAM9263. Patch from Nicolas Ferre. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-at91/at91sam9260_devices.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index f7d342ccbebf..40586e22cd38 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -320,16 +320,16 @@ void __init at91_add_device_nand(struct at91_nand_data *data)
320 at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) 320 at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
321 | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); 321 | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
322 322
323 at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5) 323 at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3)
324 | AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5)); 324 | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
325 325
326 at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7)); 326 at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
327 327
328 if (data->bus_width_16) 328 if (data->bus_width_16)
329 mode = AT91_SMC_DBW_16; 329 mode = AT91_SMC_DBW_16;
330 else 330 else
331 mode = AT91_SMC_DBW_8; 331 mode = AT91_SMC_DBW_8;
332 at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1)); 332 at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2));
333 333
334 /* enable pin */ 334 /* enable pin */
335 if (data->enable_pin) 335 if (data->enable_pin)