提交 2848e647 编写于 作者: A Andrew Victor 提交者: Russell King

[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: NAndrew Victor <andrew@sanpeople.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
上级 190a4408
......@@ -320,16 +320,16 @@ void __init at91_add_device_nand(struct at91_nand_data *data)
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_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_sys_write(AT91_SMC_PULSE(3), 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_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
if (data->bus_width_16)
mode = AT91_SMC_DBW_16;
else
mode = AT91_SMC_DBW_8;
at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1));
at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2));
/* enable pin */
if (data->enable_pin)
......
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