From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Wed, 13 Aug 2014 10:12:02 +0100 Subject: [PATCH 3/8] ARM: sti: Add BCH (NAND Flash) Controller support for STiH41x (Orly) SoCs In-Reply-To: <1407921127-8590-1-git-send-email-lee.jones@linaro.org> References: <1407921127-8590-1-git-send-email-lee.jones@linaro.org> Message-ID: <1407921127-8590-4-git-send-email-lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Provide device information and flash layout for the NAND Micron MT29F8G08ABABAWP chip found on the STM B2020 Development Board. Signed-off-by: Lee Jones --- arch/arm/boot/dts/stih41x-b2020.dtsi | 38 ++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/arch/arm/boot/dts/stih41x-b2020.dtsi b/arch/arm/boot/dts/stih41x-b2020.dtsi index d8a8429..553ee1f 100644 --- a/arch/arm/boot/dts/stih41x-b2020.dtsi +++ b/arch/arm/boot/dts/stih41x-b2020.dtsi @@ -74,5 +74,43 @@ pinctrl-0 = <&pinctrl_rgmii1>; }; + + nand at fe901000 { + compatible = "st,nand-bch"; + reg = <0xfe901000 0x1000>, <0xfef00000 0x107c>; + reg-names = "emi_nand", "emiss"; + interrupts = <0 139 0x0>; + interrupt-names = "nand_irq"; + status = "disabled"; + + /* + * Micron MT29F8G08ABABAWP: + * - Size = 8Gib(1GiB); Page = 4096+224; Block = 512KiB + * - ECC = 4-bit/540B min + * - ONFI 2.1 (timing parameters retrieved during probe) + */ + bank0 { + nand-on-flash-bbt; + st,nand-csn = <0>; + st,nand-timing-relax = <0>; + + partitions { + #address-cells = <1>; + #size-cells = <1>; + + partition at 0 { + /* 8MB */ + label = "NANDFlash1"; + reg = <0x00000000 0x00800000>; + }; + + partition at 800000 { + /* 1GB - 8MB */ + label = "NANDFlash2"; + reg = <0x00800000 0x1f000000>; + }; + }; + }; + }; }; }; -- 1.9.1