[U-Boot] [PATCH v2 00/11] SF: Migrate to Linux SPI NOR framework

Vignesh R vigneshr at ti.com
Wed Jan 9 09:26:20 UTC 2019



On 22/12/18 1:13 PM, Simon Goldschmidt wrote:
> Am 21.12.2018 um 14:29 schrieb Simon Goldschmidt:
>> Am 21.12.2018 um 12:11 schrieb Vignesh R:
>>> Hi Simon,
>>> [...]
>>>>
>>>> Hi Vignesh,
>>>>
>>>> I just did a quick test on this but it fails to boot. I guess this could
>>>> be a size problem.
>>>
>>> I guess. SPL_SPI_FLASH_TINY would help with SPL size issue here.
>>
>> Yes, after enabling that it works. With the tiny framework, I get
>> ~1.5KiB reduction compared to current mainline.
>>
>>>
>>>> Unfortunately, the socfpga gen5 config does not
>>>> correctly check SPL size currently. I'll have to work on that. I'll test
>>>> your patch with a more limited config when I find the time.
>>>>
>>> Okay, thanks!
>>
>> I can successfully boot with your v2 patch applied with the standard and
>> the tiny framework. However, allow me some more time to check SFDP (and
>> maybe BAR) and also to check that the correct opcodes are used
>> (stateless 4-byte opcodes should be used).
> 
> After testing different configs with SPL and U-Boot:
> 
> Tested-by: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>
> 
> However, two suggestions:
> - I would recommend to enable SPL_SPI_FLASH_TINY by default to prevent 
> SPL size increasement for any board

I am fine with doing this if there are no objections on "[PATCH v2
10/11] configs: Don't use SPI_FLASH_BAR as default"

> - SPL_SPI_FLASH_TINY does not provide BAR support and the Kconfig option 
> does not reflect this. This should probably be fixed before making 
> SPL_SPI_FLASH_TINY the default.
> 

Ok, I will make SPI_FLASH_BAR depend on !SPL_SPI_FLASH_TINY


Thanks for the suggestions!

> Regards,
> Simon
> 
>>
>> Regards,
>> Simon
>>
>>>
>>> Regards
>>> Vignesh
>>>
>>>> Regards,
>>>> Simon
>>>>
>>>>
>>>>       Change log:
>>>>       Since v1:
>>>>       Remove #ifindef __UBOOT__
>>>>       Add back BAR support, but dont enable as default for all platform (see
>>>>       10/11 for more details)
>>>>       Enable SPI_FLASH_TINY on boards where there is SPL size constraint as
>>>>       seen on travis ci builds.
>>>>       Drop sf_mtd changes for now as it seems to cause issues.
>>>>       v1: https://patchwork.ozlabs.org/cover/1012146/
>>>>
>>>>       Since RFC v2:
>>>>       Fix issues reported by Simon Goldschmidt wrt 4 use of byte
>>>>       addressing opcode
>>>>       Fix issues in compiling SFDP code
>>>>       Re organize file names and Makefile to simply spi-nor-tiny inclusion
>>>>       Remove SPI_FLASH_BAR and SF_DUAL_FLASH as these are no longer used
>>>>       RFC v2: https://patchwork.ozlabs.org/cover/1007589/
>>>>
>>>>       Since RFC v1:
>>>>       Add lightweight SPI flash stack for boards with SPL size constraints
>>>>       Provide non DM version of spi-mem
>>>>       Fix build issues on different platforms as reported by travis-ci on v1
>>>>
>>>>       RFC v1: https://patchwork.ozlabs.org/cover/1004689/
>>>>
>>>>       Vignesh R (11):
>>>>         spi-mem: Claim SPI bus before spi mem access
>>>>         spi: Add non DM version of SPI_MEM
>>>>         sh: bitops: add hweight*() macros
>>>>         mtd: spi: Port SPI NOR framework from Linux
>>>>         mtd: spi: Switch to new SPI NOR framework
>>>>         mtd: spi: Remove unused files
>>>>         mtd: spi: Add lightweight SPI flash stack for SPL
>>>>         configs: Enable SPI_FLASH_TINY for resource constrained boards
>>>>         configs: Remove SF_DUAL_FLASH
>>>>         configs: Don't use SPI_FLASH_BAR as default
>>>>         MAINTAINERS: Add an entry for SPI NOR
>>>>
>>>>        MAINTAINERS                                   |    9 +
>>>>        arch/arm/mach-omap2/am33xx/Kconfig            |    1 -
>>>>        arch/sh/include/asm/bitops.h                  |    4 +
>>>>        common/spl/Kconfig                            |   21 +-
>>>>        configs/alt_defconfig                         |    1 -
>>>>        configs/am57xx_evm_defconfig                  |    1 -
>>>>        configs/am57xx_hs_evm_defconfig               |    1 -
>>>>        configs/ap121_defconfig                       |    1 -
>>>>        configs/ap143_defconfig                       |    1 -
>>>>        configs/avnet_ultra96_rev1_defconfig          |    1 -
>>>>        configs/axm_defconfig                         |    1 +
>>>>        configs/axs101_defconfig                      |    1 -
>>>>        configs/axs103_defconfig                      |    1 -
>>>>        configs/bg0900_defconfig                      |    1 -
>>>>        configs/blanche_defconfig                     |    1 -
>>>>        configs/cl-som-am57x_defconfig                |    1 -
>>>>        configs/clearfog_defconfig                    |    1 -
>>>>        configs/cm_t43_defconfig                      |    1 -
>>>>        configs/da850_am18xxevm_defconfig             |    1 +
>>>>        configs/da850evm_nand_defconfig               |    2 +-
>>>>        configs/db-88f6820-amc_defconfig              |    1 -
>>>>        configs/db-88f6820-gp_defconfig               |    1 +
>>>>        configs/display5_defconfig                    |    1 -
>>>>        configs/display5_factory_defconfig            |    1 -
>>>>        configs/dra7xx_evm_defconfig                  |    1 -
>>>>        configs/dra7xx_hs_evm_defconfig               |    1 -
>>>>        configs/ds109_defconfig                       |    1 -
>>>>        configs/ds414_defconfig                       |    1 -
>>>>        configs/evb-rv1108_defconfig                  |    1 -
>>>>        configs/gose_defconfig                        |    1 -
>>>>        configs/helios4_defconfig                     |    1 -
>>>>        configs/k2g_evm_defconfig                     |    1 -
>>>>        configs/k2g_hs_evm_defconfig                  |    1 -
>>>>        configs/koelsch_defconfig                     |    1 -
>>>>        configs/lager_defconfig                       |    1 -
>>>>        configs/maxbcm_defconfig                      |    1 -
>>>>        configs/mt7629_rfb_defconfig                  |    1 -
>>>>        configs/mx6sxsabreauto_defconfig              |    1 -
>>>>        configs/mx6sxsabresd_defconfig                |    1 -
>>>>        configs/mx6ul_14x14_evk_defconfig             |    1 -
>>>>        configs/mx6ul_9x9_evk_defconfig               |    1 -
>>>>        configs/mx6ull_14x14_evk_defconfig            |    1 -
>>>>        configs/mx6ull_14x14_evk_plugin_defconfig     |    1 -
>>>>        configs/mx7dsabresd_qspi_defconfig            |    1 -
>>>>        configs/porter_defconfig                      |    2 +-
>>>>        configs/r8a77970_eagle_defconfig              |    1 -
>>>>        configs/silk_defconfig                        |    1 -
>>>>        configs/socfpga_arria5_defconfig              |    1 -
>>>>        configs/socfpga_cyclone5_defconfig            |    1 -
>>>>        configs/socfpga_is1_defconfig                 |    1 -
>>>>        configs/socfpga_sockit_defconfig              |    1 -
>>>>        configs/socfpga_socrates_defconfig            |    1 -
>>>>        configs/socfpga_sr1500_defconfig              |    1 -
>>>>        configs/socfpga_stratix10_defconfig           |    1 -
>>>>        configs/stout_defconfig                       |    2 +-
>>>>        configs/taurus_defconfig                      |    3 +-
>>>>        configs/topic_miami_defconfig                 |    1 -
>>>>        configs/topic_miamilite_defconfig             |    2 -
>>>>        configs/topic_miamiplus_defconfig             |    2 -
>>>>        configs/turris_omnia_defconfig                |    2 +-
>>>>        configs/xilinx_versal_virt_defconfig          |    1 -
>>>>        configs/xilinx_zynqmp_mini_qspi_defconfig     |    2 -
>>>>        configs/xilinx_zynqmp_zc1232_revA_defconfig   |    2 -
>>>>        configs/xilinx_zynqmp_zc1254_revA_defconfig   |    2 -
>>>>        configs/xilinx_zynqmp_zc1275_revA_defconfig   |    2 -
>>>>        configs/xilinx_zynqmp_zc1275_revB_defconfig   |    2 -
>>>>        .../xilinx_zynqmp_zc1751_xm015_dc1_defconfig  |    1 -
>>>>        .../xilinx_zynqmp_zc1751_xm016_dc2_defconfig  |    1 -
>>>>        .../xilinx_zynqmp_zc1751_xm018_dc4_defconfig  |    1 -
>>>>        configs/xilinx_zynqmp_zcu100_revC_defconfig   |    1 -
>>>>        configs/xilinx_zynqmp_zcu102_rev1_0_defconfig |    1 -
>>>>        configs/xilinx_zynqmp_zcu102_revA_defconfig   |    1 -
>>>>        configs/xilinx_zynqmp_zcu102_revB_defconfig   |    1 -
>>>>        configs/xilinx_zynqmp_zcu104_revA_defconfig   |    2 -
>>>>        configs/xilinx_zynqmp_zcu104_revC_defconfig   |    2 -
>>>>        configs/xilinx_zynqmp_zcu106_revA_defconfig   |    2 -
>>>>        configs/xilinx_zynqmp_zcu111_revA_defconfig   |    1 -
>>>>        configs/zynq_cc108_defconfig                  |    1 -
>>>>        configs/zynq_cse_qspi_defconfig               |    1 -
>>>>        configs/zynq_dlc20_rev1_0_defconfig           |    1 -
>>>>        configs/zynq_microzed_defconfig               |    1 -
>>>>        configs/zynq_minized_defconfig                |    1 -
>>>>        configs/zynq_z_turn_defconfig                 |    1 -
>>>>        configs/zynq_zc702_defconfig                  |    1 -
>>>>        configs/zynq_zc706_defconfig                  |    1 -
>>>>        configs/zynq_zc770_xm010_defconfig            |    1 -
>>>>        configs/zynq_zc770_xm013_defconfig            |    1 -
>>>>        configs/zynq_zed_defconfig                    |    1 -
>>>>        configs/zynq_zybo_defconfig                   |    1 -
>>>>        configs/zynq_zybo_z7_defconfig                |    1 -
>>>>        doc/SPI/README.dual-flash                     |   92 -
>>>>        doc/SPI/README.ti_qspi_dra_test               |    1 -
>>>>        drivers/mtd/spi/Kconfig                       |   16 +-
>>>>        drivers/mtd/spi/Makefile                      |   12 +-
>>>>        drivers/mtd/spi/sandbox.c                     |   36 +-
>>>>        drivers/mtd/spi/sf_dataflash.c                |   11 +-
>>>>        drivers/mtd/spi/sf_internal.h                 |  225 +-
>>>>        drivers/mtd/spi/sf_probe.c                    |   33 +-
>>>>        drivers/mtd/spi/spi-nor-core.c                | 2432 +++++++++++++++++
>>>>        drivers/mtd/spi/spi-nor-ids.c                 |  297 ++
>>>>        drivers/mtd/spi/spi-nor-tiny.c                |  810 ++++++
>>>>        drivers/mtd/spi/spi_flash.c                   | 1337 ---------
>>>>        drivers/mtd/spi/spi_flash_ids.c               |  211 --
>>>>        drivers/spi/Kconfig                           |    9 +-
>>>>        drivers/spi/Makefile                          |    1 +
>>>>        drivers/spi/spi-mem-nodm.c                    |   89 +
>>>>        drivers/spi/spi-mem.c                         |    6 +
>>>>        drivers/spi/stm32_qspi.c                      |    4 +-
>>>>        include/configs/T102xQDS.h                    |    1 -
>>>>        include/configs/T102xRDB.h                    |    1 -
>>>>        include/configs/T104xRDB.h                    |    1 -
>>>>        include/configs/T208xQDS.h                    |    1 -
>>>>        include/configs/T208xRDB.h                    |    1 -
>>>>        include/configs/gw_ventana.h                  |    1 -
>>>>        include/configs/km/kmp204x-common.h           |    1 -
>>>>        include/configs/ls1021aiot.h                  |    1 -
>>>>        include/configs/socfpga_stratix10_socdk.h     |    1 -
>>>>        include/linux/mtd/cfi.h                       |   32 +
>>>>        include/linux/mtd/spi-nor.h                   |  419 +++
>>>>        include/spi_flash.h                           |  105 +-
>>>>        120 files changed, 4266 insertions(+), 2058 deletions(-)
>>>>        delete mode 100644 doc/SPI/README.dual-flash
>>>>        create mode 100644 drivers/mtd/spi/spi-nor-core.c
>>>>        create mode 100644 drivers/mtd/spi/spi-nor-ids.c
>>>>        create mode 100644 drivers/mtd/spi/spi-nor-tiny.c
>>>>        delete mode 100644 drivers/mtd/spi/spi_flash.c
>>>>        delete mode 100644 drivers/mtd/spi/spi_flash_ids.c
>>>>        create mode 100644 drivers/spi/spi-mem-nodm.c
>>>>        create mode 100644 include/linux/mtd/cfi.h
>>>>        create mode 100644 include/linux/mtd/spi-nor.h
>>>>
>>>>       --
>>>>       2.20.1
>>>>
>>>
>>
> 

-- 
Regards
Vignesh


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