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[AT91SAM9] Fix NAND FLASH timings

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Fix NAND FLASH timings for at91sam9x evaluation kits.

New timings are based on application note
"NAND Flash Support on AT91SAM9 Microcontrollers" available at
http://atmel.com/dyn/resources/prod_documents/doc6255.pdf

Signed-off-by: Patrice Vilchez <patice.vilchez@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Stelian Pop <stelian@popies.net>
This commit is contained in:
Patrice Vilchez 2008-05-27 11:15:29 +02:00 committed by Jean-Christophe PLAGNIOL-VILLARD
parent 19bd688484
commit d3bcdf838e
4 changed files with 16 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
board/atmel/at91sam9260ek/at91sam9260ek.c
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@ -80,8 +80,8 @@ static void at91sam9260ek_nand_hw_init(void)
/* Configure SMC CS3 for NAND/SmartMedia */
at91_sys_write(AT91_SMC_SETUP(3),
AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) |
AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
at91_sys_write(AT91_SMC_PULSE(3),
AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));

12
board/atmel/at91sam9261ek/at91sam9261ek.c
View File

@ -82,13 +82,13 @@ static void at91sam9261ek_nand_hw_init(void)
/* Configure SMC CS3 for NAND/SmartMedia */
at91_sys_write(AT91_SMC_SETUP(3),
AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) |
AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
at91_sys_write(AT91_SMC_PULSE(3),
AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5) |
AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5));
AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
at91_sys_write(AT91_SMC_CYCLE(3),
AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
at91_sys_write(AT91_SMC_MODE(3),
AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
AT91_SMC_EXNWMODE_DISABLE |
@ -97,7 +97,7 @@ static void at91sam9261ek_nand_hw_init(void)
#else /* CFG_NAND_DBW_8 */
AT91_SMC_DBW_8 |
#endif
AT91_SMC_TDF_(1));
AT91_SMC_TDF_(2));
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_PIOC);

4
board/atmel/at91sam9263ek/at91sam9263ek.c
View File

@ -83,8 +83,8 @@ static void at91sam9263ek_nand_hw_init(void)
/* Configure SMC CS3 for NAND/SmartMedia */
at91_sys_write(AT91_SMC_SETUP(3),
AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) |
AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
at91_sys_write(AT91_SMC_PULSE(3),
AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));

12
board/atmel/at91sam9rlek/at91sam9rlek.c
View File

@ -82,13 +82,13 @@ static void at91sam9rlek_nand_hw_init(void)
/* Configure SMC CS3 for NAND/SmartMedia */
at91_sys_write(AT91_SMC_SETUP(3),
AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) |
AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
at91_sys_write(AT91_SMC_PULSE(3),
AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5) |
AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5));
AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
at91_sys_write(AT91_SMC_CYCLE(3),
AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
at91_sys_write(AT91_SMC_MODE(3),
AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
AT91_SMC_EXNWMODE_DISABLE |
@ -97,7 +97,7 @@ static void at91sam9rlek_nand_hw_init(void)
#else /* CFG_NAND_DBW_8 */
AT91_SMC_DBW_8 |
#endif
AT91_SMC_TDF_(1));
AT91_SMC_TDF_(2));
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_PIOD);