Messages in this thread | | | Date | Thu, 20 Dec 2018 14:43:57 +0100 | From | Boris Brezillon <> | Subject | Re: [PATCH v4 2/3] mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver |
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On Fri, 14 Dec 2018 10:58:07 +0100 Christophe Kerello <christophe.kerello@st.com> wrote:
> The driver adds the support for the STMicroelectronics FMC2 NAND > Controller found on STM32MP SOCs. > > This patch is based on FMC2 command sequencer. > The purpose of the command sequencer is to facilitate the programming > and the reading of NAND flash pages with the ECC and to free the CPU > of sequencing tasks. > It requires one DMA channel for write and two DMA channels for read > operations. > > Only NAND_ECC_HW mode is actually supported. > The driver supports a maximum 8k page size. > The following ECC strength and step size are currently supported: > - nand-ecc-strength = <8>, nand-ecc-step-size = <512> (BCH8) > - nand-ecc-strength = <4>, nand-ecc-step-size = <512> (BCH4) > - nand-ecc-strength = <1>, nand-ecc-step-size = <512> (Extended ECC > based on Hamming) > > This patch has been tested on Micron MT29F8G08ABACAH4 and > MT29F8G16ABACAH4 > > Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
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