[U-Boot] QSPI "sf probe ...", "sf read ..." on Altera SoC FPGA

Eldor Rødseth er at systemsoft.no
Mon Dec 19 16:07:22 CET 2016 

Hi,

 

I observe a behavior with the QSPI functionality on newer uboot versions; e.g. 2016.11 rc1 and also latest from DENX mainline.

I was wondering whether anyone else has experienced similar issue(s) and can perhaps give hints as to what can cause this.

I will try to narrow down the issue to a couple of examples related to “sf probe …” and “sf read ..”.

I apologize for the long listing, but I am running with full DEBUG for additional details:

 

Example #1:

When issuing “sf probe” with no parameters; i.e. use defaults, the command fails and causes board reboot:

=> sf probe

uclass_find_device_by_seq: 0 0

   - 0 -1

   - not found

spi_find_bus_and_cs: No bus 0

uclass_find_device_by_seq: 0 0

   - 0 -1

   - not found

uclass_find_device_by_seq: 1 0

   - 0 -1

   - found

uclass_find_device_by_seq: 0 0

   - 0 -1

   - not found

fdtdec_get_int_array: reg

get_prop_check_min_len: reg

fdtdec_get_uint: spi-max-frequency: 0x5f5e100 (100000000)

fdtdec_get_int: page-size: 0x100 (256)

fdtdec_get_int: block-size: 0x10 (16)

fdtdec_get_int: tshsl-ns: 0x32 (50)

fdtdec_get_int: tsd2d-ns: 0x32 (50)

fdtdec_get_int: tchsh-ns: 0x4 (4)

fdtdec_get_int: tslch-ns: 0x4 (4)

fdtdec_get_int: sram-size: 0x80 (128)

cadence_spi_ofdata_to_platdata: regbase=ff705000 ahbbase=ffa00000 max-frequency=100000000 page-size=256

fdtdec_get_int: spi-max-frequency: (not found)

spi_get_bus_and_cs: Binding new device 'spi_flash at 0:0', busnum=0, cs=0, driver=spi_flash_std

Bound device spi_flash at 0:0 to spi at ff705000

uclass_find_device_by_seq: 0 -1

uclass_find_device_by_seq: 0 0

   - -1 -1

   - not found

spi_flash_std_probe: slave=7bf49e88, cs=0

cadence_qspi_apb_config_baudrate_div: ref_clk 400000000Hz sclk 1000000Hz Div 0xf

cadence_qspi_apb_config_baudrate_div: ref_clk 400000000Hz sclk 100000Hz Div 0xf

SF: Read data capture delay calibrated to 7 (0 - 15)

cadence_spi_set_speed: speed=100000

cadence_spi_xfer: len=1 [bytes]

cadence_qspi_apb_chipselect : chipselect 0 decode 0

cadence_spi_xfer: len=5 [bytes]

cadence_qspi_apb_chipselect : chipselect 0 decode 0

SF: Got idcodes

00000000: 20 ba 22 10 44                                      .".D

cadence_spi_xfer: len=1 [bytes]

cadence_qspi_apb_chipselect : chipselect 0 decode 0

cadence_spi_xfer: len=1 [bytes]

cadence_qspi_apb_chipselect : chipselect 0 decode 0

fdtdec_get_addr_size_fixed: memory-map: (not found)

spi_flash_decode_fdt: Cannot decode address

SF: Detected MT25QL02 with page size 256 Bytes, erase size 64 KiB, total 256 MiB

cadence_qspi_apb_config_baudrate_div: ref_clk 400000000Hz sclk 1000000Hz Div 0xf

### ERROR ### Please RESET the board ###

 

--------------

 

Example #2:

When issuing “sf probe <w/params>”; the command apparently succeeds; i.e. correct flash type is detected.

However – look at Example #3 below.

=> sf probe 0 100000000 3 ß should be identical parameters as read from DTS in Example #1

uclass_find_device_by_seq: 0 0

   - 0 -1

   - not found

spi_find_bus_and_cs: No bus 0

uclass_find_device_by_seq: 0 0

   - 0 -1

   - not found

uclass_find_device_by_seq: 1 0

   - 0 -1

   - found

uclass_find_device_by_seq: 0 0

   - 0 -1

   - not found

fdtdec_get_int_array: reg

get_prop_check_min_len: reg

fdtdec_get_uint: spi-max-frequency: 0x5f5e100 (100000000)

fdtdec_get_int: page-size: 0x100 (256)

fdtdec_get_int: block-size: 0x10 (16)

fdtdec_get_int: tshsl-ns: 0x32 (50)

fdtdec_get_int: tsd2d-ns: 0x32 (50)

fdtdec_get_int: tchsh-ns: 0x4 (4)

fdtdec_get_int: tslch-ns: 0x4 (4)

fdtdec_get_int: sram-size: 0x80 (128)

cadence_spi_ofdata_to_platdata: regbase=ff705000 ahbbase=ffa00000 max-frequency=100000000 page-size=256

fdtdec_get_int: spi-max-frequency: (not found)

spi_get_bus_and_cs: Binding new device 'spi_flash at 0:0', busnum=0, cs=0, driver=spi_flash_std

Bound device spi_flash at 0:0 to spi at ff705000

uclass_find_device_by_seq: 0 -1

uclass_find_device_by_seq: 0 0

   - -1 -1

   - not found

spi_flash_std_probe: slave=7bf49ec0, cs=0

cadence_qspi_apb_config_baudrate_div: ref_clk 400000000Hz sclk 1000000Hz Div 0xf

cadence_qspi_apb_config_baudrate_div: ref_clk 400000000Hz sclk 100000000Hz Div 0x1

SF: Read data capture delay calibrated to 3 (2 - 4)

cadence_spi_set_speed: speed=100000000

cadence_spi_xfer: len=1 [bytes]

cadence_qspi_apb_chipselect : chipselect 0 decode 0

cadence_spi_xfer: len=5 [bytes]

cadence_qspi_apb_chipselect : chipselect 0 decode 0

SF: Got idcodes

00000000: 20 ba 22 10 44                                      .".D

cadence_spi_xfer: len=1 [bytes]

cadence_qspi_apb_chipselect : chipselect 0 decode 0

cadence_spi_xfer: len=1 [bytes]

cadence_qspi_apb_chipselect : chipselect 0 decode 0

fdtdec_get_addr_size_fixed: memory-map: (not found)

spi_flash_decode_fdt: Cannot decode address

SF: Detected MT25QL02 with page size 256 Bytes, erase size 64 KiB, total 256 MiB

cadence_spi_set_speed: speed=100000000

spi_get_bus_and_cs: bus=7bf48348, slave=7bf49ec0

=> 

 

------

 

Example #3:

After successful “sf probe” in Example #2, any “sf ……” access (except “sf erase ….”) causes core dump in uboot:

=> mtdparts

 

---mtdparts_init---

last_ids  : 

env_ids   : <NULL>

last_parts: 

env_parts : <NULL>

 

last_partition : 

env_partition  : <NULL>

mtdids variable not defined, using default

Initial value for argc=3

Final value for argc=3

Initial value for argc=3

Final value for argc=3

 

---parse_mtdids---

mtdids = nor0=ff705000.spi.0

 

+ id nor0              268435456 bytes  ff705000.spi.0

 

---parse_mtdparts---

mtdparts = <NULL>

 

--- current_save ---

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "partition"

=> partition NULL

--- index partitions ---

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevnum"

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevname"

=> mtddevnum NULL

=> mtddevname NULL

===device_parse===

--- id_find_by_mtd_id: 'ff705000.spi.0' (len = 14)

entry: 'ff705000.spi.0' (len = 14)

dev type = 1 (nor), dev num = 0, mtd-id = ff705000.spi.0

parsing partitions 256k(spl),512k(u-boot),64k(env1),256k(dtb),8m(lba),32m(lbafs),8m(fpga),128k(script),-(UBI)

+ partition: name spl                    size 0x00040000 offset 0xffffffffffffffff mask flags 0

+ partition: name u-boot                 size 0x00080000 offset 0xffffffffffffffff mask flags 0

+ partition: name env1                   size 0x00010000 offset 0xffffffffffffffff mask flags 0

+ partition: name dtb                    size 0x00040000 offset 0xffffffffffffffff mask flags 0

+ partition: name lba                    size 0x00800000 offset 0xffffffffffffffff mask flags 0

+ partition: name lbafs                  size 0x02000000 offset 0xffffffffffffffff mask flags 0

+ partition: name fpga                   size 0x00800000 offset 0xffffffffffffffff mask flags 0

+ partition: name script                 size 0x00020000 offset 0xffffffffffffffff mask flags 0

'-': remaining size assigned

+ partition: name UBI                    size 0xffffffffffffffff offset 0xffffffffffffffff mask flags 0

 

total partitions: 9

part_sort_add: list empty

--- index partitions ---

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevnum"

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevname"

=> mtddevnum NULL

=> mtddevname NULL

--- index partitions ---

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevnum"

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevname"

=> mtddevnum NULL

=> mtddevname NULL

--- index partitions ---

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevnum"

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevname"

=> mtddevnum NULL

=> mtddevname NULL

--- index partitions ---

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevnum"

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevname"

=> mtddevnum NULL

=> mtddevname NULL

--- index partitions ---

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevnum"

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevname"

=> mtddevnum NULL

=> mtddevname NULL

--- index partitions ---

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevnum"

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevname"

=> mtddevnum NULL

=> mtddevname NULL

--- index partitions ---

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevnum"

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevname"

=> mtddevnum NULL

=> mtddevname NULL

--- index partitions ---

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevnum"

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevname"

=> mtddevnum NULL

=> mtddevname NULL

--- index partitions ---

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevnum"

Initial value for argc=2

Final value for argc=2

hdelete: DELETE key "mtddevname"

=> mtddevnum NULL

=> mtddevname NULL

===

 

+ device: nor   0       ff705000.spi.0

--- current_save ---

Initial value for argc=3

Final value for argc=3

=> partition nor0,0

--- index partitions ---

Initial value for argc=3

Final value for argc=3

 

--- mtd_part_info: partition number 0 for device nor0 (ff705000.spi.0)

Initial value for argc=3

Final value for argc=3

=> mtddevnum 0,

=> mtddevname spl

mtdparts_init: current_mtd_dev  = nor0, current_mtd_partnum = 0

 

---list_partitions---

 

device nor0 <ff705000.spi.0>, # parts = 9

 #: name                size            offset          mask_flags

 0: spl                 0x00040000      0x00000000      0

 1: u-boot              0x00080000      0x00040000      0

 2: env1                0x00010000      0x000c0000      0

 3: dtb                 0x00040000      0x000d0000      0

 4: lba                 0x00800000      0x00110000      0

 5: lbafs               0x02000000      0x00910000      0

 6: fpga                0x00800000      0x02910000      0

 7: script              0x00020000      0x03110000      0

 8: UBI                 0x0ced0000      0x03130000      0

 

--- mtd_part_info: partition number 0 for device nor0 (ff705000.spi.0)

 

active partition: nor0,0 - (spl) 0x00040000 @ 0x00000000

 

defaults:

mtdids  : nor0=ff705000.spi.0

mtdparts: mtdparts=ff705000.spi.0:256k(spl),512k(u-boot),64k(env1),256k(dtb),8m(lba),32m(lbafs),8m(fpga),128k(script),-(UBI)

=> 

=> sf read 100 0 100

device 0 offset 0x0, size 0x100

cadence_spi_xfer: len=5 [bytes]

cadence_qspi_apb_chipselect : chipselect 0 decode 0

cadence_spi_xfer: len=256 [bytes]

cadence_qspi_apb_chipselect : chipselect 0 decode 0

data abort

pc : [<7ff706c8>]          lr : [<7ff90021>]

reloc pc : [<01027708>]    lr : [<01047061>]

sp : 7bf42c18  ip : 00000000     fp : 00000002

r10: 00000000  r9 : 7bf47ee8     r8 : 7bf483a0

r7 : 0000270f  r6 : 00000100     r5 : 00000100  r4 : 7bf483a0

r3 : 00000008  r2 : 00000001     r1 : 00000100  r0 : ffa00000

Flags: nzCv  IRQs off  FIQs off  Mode SVC_32

Resetting CPU ...

 

resetting ...

 

-------

 

My QSPI is a “cadence,qspi” compatible device, and I am using the default DTS for socfpga_cyclone5_socdk.dts.

 

Regards,

Eldor Rodseth

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