[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>
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190a4408ec
Коммит
2848e64740
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@ -320,16 +320,16 @@ void __init at91_add_device_nand(struct at91_nand_data *data)
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at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
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| AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
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at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5)
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| AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5));
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at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3)
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| AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
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at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
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at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
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if (data->bus_width_16)
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mode = AT91_SMC_DBW_16;
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else
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mode = AT91_SMC_DBW_8;
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at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1));
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at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2));
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/* enable pin */
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if (data->enable_pin)
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