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RE: GPIO toggling/chattering while performing NAND read. » u_boot_2018.01_control_module_registers.txt

Srinivasa Wunnimani, 03/28/2020 01:11 PM

 
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U-Boot SPL 2018.01-g2659de8-dirty (Mar 28 2020 - 18:39:16)
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Critical Link AM335X Dev Kit -- NAND Page size = 2048k booting from dev 8
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Trying to boot from MMC1
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reading u-boot.img
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reading u-boot.img
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U-Boot 2018.01-g2659de8-dirty (Mar 28 2020 - 18:39:16 +0530)
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CPU  : AM335X-GP rev 1.0
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I2C:   ready
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DRAM:  256 MiB
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NAND:  256 MiB
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MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
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Using default environment
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In:    ns16550_serial
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Out:   ns16550_serial
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Err:   ns16550_serial
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Net:   Could not find PHY for cpsw: phy_mask 6
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cpsw
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Hit any key to stop autoboot:  0 
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=> 
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=> 
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=> print_nandpins_regs
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Value of conf_gpmc_ad0           at location 0x44e10800 is 0x30
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Value of conf_gpmc_ad1           at location 0x44e10804 is 0x30
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Value of conf_gpmc_ad2           at location 0x44e10808 is 0x30
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Value of conf_gpmc_ad3           at location 0x44e1080c is 0x30
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Value of conf_gpmc_ad4           at location 0x44e10810 is 0x30
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Value of conf_gpmc_ad5           at location 0x44e10814 is 0x30
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Value of conf_gpmc_ad6           at location 0x44e10818 is 0x30
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Value of conf_gpmc_ad7           at location 0x44e1081c is 0x30
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Value of conf_gpmc_wait0         at location 0x44e10870 is 0x30
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Value of conf_gpmc_wpn           at location 0x44e10874 is 0x37
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Value of conf_gpmc_csn0          at location 0x44e1087c is 0x0
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Value of conf_gpmc_advn_ale      at location 0x44e10890 is 0x0
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Value of conf_gpmc_oen_ren       at location 0x44e10894 is 0x0
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Value of conf_gpmc_wen           at location 0x44e10898 is 0x0
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Value of conf_gpmc_be0n_cle      at location 0x44e1089c is 0x0
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=> 
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