Hi Wadim,
On 08/31/2016 06:56 PM, Wadim Egorov wrote:
> Hello,
>
> I have a RK3288 based board with a Micron eMMC chip (MTFC16GAKAECN-4M
> IT). This eMMC is EDEC/MMC standard version 5.0-compliant.
>
> While doing eMMC boot tests with a 4.4.16 and 4.8.0-rc4 kernel I run
> into the following problem after more than 100 cold resets:
>
> [ 3.535448] dwmmc_rockchip ff0c0000.dwmmc: 1 slots initialized
> [ 3.543823] dwmmc_rockchip ff0f0000.dwmmc: IDMAC supports 32-bit address mode.
> [ 3.551276] dwmmc_rockchip ff0f0000.dwmmc: Using internal DMA controller.
> [ 3.558206] dwmmc_rockchip ff0f0000.dwmmc: Version ID is 270a
> [ 3.564275] dwmmc_rockchip ff0f0000.dwmmc: DW MMC controller at irq 31,32 bit host data width,256 deep fifo
> [ 3.604426] mmc_host mmc0: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
> [ 3.634510] dwmmc_rockchip ff0f0000.dwmmc: 1 slots initialized
> [ 3.645305] leds-pca953x 4-0062: setting platform data
> [ 3.656675] ledtrig-cpu: registered to indicate activity on CPUs
> [ 3.663200] usbcore: registered new interface driver usbhid
> [ 3.668783] usbhid: USB HID core driver
> [ 3.672674] usbcore: registered new interface driver r8188eu
> [ 3.678393] usbcore: registered new interface driver rtl8723au
> [ 3.699210] mmc_host mmc0: Bus speed (slot 0) = 50000000Hz (slot req 52000000Hz, actual 50000000HZ div = 0)
> [ 3.900398] random: crng init done
> [ 3.954089] NET: Registered protocol family 10
> [ 3.974107] mmc0: Card stuck in programming state! __mmc_switch
> [ 3.980027] mmc0: error -110 whilst initialising MMC card
Is it produced with both 4.4.16 and 4.8.0-rc4?
Could you enable the CONFIG_MMC_DEBUG? And which mode do you use?
According to below bootloader log, you're using eMMC4.0 card, right?
Best Regards,
Jaehoon Chung
>
>
> The bootloader I am using has no problems with the eMMC as you can see
> below:
>
> barebox@phycore-rk3288:/ devinfo mshc0
> Host information:
> current clock: 52000000
> current buswidth: 8
> capabilities: 4bit 8bit sd-hs mmc-hs mmc-52MHz
> Card information:
> Attached is a MMC card
> Version: 4.0
> Capacity: 14080 MiB
> High capacity card
> CID: 13014E52-314A3536-4C11616D-559BA2BD
> CSD: D04F0132-0F5913FF-FFFFFFEF-8A4000BF
> Max. transfer speed: 52000000 Hz
> capabilities: 4bit mmc-hs mmc-52MHz
> Manufacturer ID: 13
> OEM/Application ID: 014E
> Product name: 'R1J56'
> Product revision: 4.12
> Serial no: 1634555291
> Manufacturing date: 10.1999
> Parameters:
> boot: disabled ("disabled", "boot0", "boot1", "user")
> nt_signature: 8a35eb82
> probe: 0
>
> Any hints on what the problem could be?
>
> Regards,
> Wadim
>
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> .
>
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