Hi Yifeng, Yifeng Zhao <yifeng.zhao@xxxxxxxxxxxxxx> wrote on Tue, 29 Sep 2020 17:08:05 +0800: > This driver supports Rockchip NFC (NAND Flash Controller) found on RK3308, > RK2928, RKPX30, RV1108 and other SOCs. The driver has been tested using > 8-bit NAND interface on the ARM based RK3308 platform. > > Support Rockchip SoCs and NFC versions: > - PX30 and RK3326(NFCv900). > ECC: 16/40/60/70 bits/1KB. > CLOCK: ahb and nfc. > - RK3308 and RV1108(NFCv800). > ECC: 16 bits/1KB. > CLOCK: ahb and nfc. > - RK3036 and RK3128(NFCv622). > ECC: 16/24/40/60 bits/1KB. > CLOCK: ahb and nfc. > - RK3066, RK3188 and RK2928(NFCv600). > ECC: 16/24/40/60 bits/1KB. > CLOCK: ahb. > > Supported features: > - Read full page data by DMA. > - Support HW ECC(one step is 1KB). > - Support 2 - 32K page size. > - Support 8 CS(depend on SoCs) > > Limitations: > - No support for the ecc step size is 512. > - Untested on some SoCs. > - No support for subpages. > - No support for the builtin randomizer. > - The original bad block mask is not supported. It is recommended to use > the BBT(bad block table). > > Signed-off-by: Yifeng Zhao <yifeng.zhao@xxxxxxxxxxxxxx> > --- > > Changes in v9: > - The nfc->buffer will realloc while the page size of the second mtd > is large than the first one > - Fix coding style. > - Remove struct rk_nfc_clk. > - Prepend some function with rk_nfc_. > - Replace function readl_poll_timeout_atomic with readl_relaxed_poll_timeout. > - Remove function rk_nfc_read_byte and rk_nfc_write_byte. > - Don't select the die if 'check_only == true' in function rk_nfc_exec_op. > - Modify function rk_nfc_write_page and rk_nfc_write_page_raw. You should probably rebase your patches on a more recent kernel, there are several inconsistencies with the current core (see the kernel test robot reports). Please consider having a look at the history to follow the naming. If you need help, please ask! Cheers, Miquèl
