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/openbmc/linux/arch/arm/boot/dts/intel/ixp/
H A Dintel-ixp4xx-reference-design.dtsi1 // SPDX-License-Identifier: ISC
5 * set-up for IXDP425, IXCDP1100, KIXRP435 and IXDP465.
20 stdout-path = "uart0:115200n8";
28 compatible = "i2c-gpio";
29 sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
30 scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
31 #address-cells = <1>;
32 #size-cells = <0>;
36 * Philips PCF8582C-2T/03 512byte I2C EEPROM
43 read-only;
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/openbmc/u-boot/include/configs/
H A Dgw_ventana.h1 /* SPDX-License-Identifier: GPL-2.0+ */
10 /* Location in NAND to read U-Boot from */
16 /* Falcon Mode - NAND support: args@17MB kernel@18MB */
19 /* Falcon Mode - MMC support: args@1MB kernel@2MB */
55 /* GPIO 3-19 (21248) */
59 /* Enable NAND support */
66 /* DMA stuff, needed for GPMI/MXS NAND support */
141 #define CONFIG_HIDE_LOGO_VERSION /* Custom config to hide U-boot version */
159 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
222 "fs=ext4\0" \
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H A Dimx6_logic.h1 /* SPDX-License-Identifier: GPL-2.0+ */
51 " ubi.mtd=fs root=${nandroot} ${mtdparts}\0" \
64 "run loadimage; run loadfdt; bootz ${loadaddr} - ${fdt_addr_r}\0" \
68 "nandboot=echo Booting from nand ...; " \
70 " nand read ${loadaddr} kernel ${kernelsize};" \
71 " nand read ${fdt_addr_r} dtb;" \
72 " bootz ${loadaddr} - ${fdt_addr_r}\0" \
73 "nandramboot=echo Booting RAMdisk from nand ...; " \
74 " nand read ${ramdisk_addr_r} fs ${ramdisksize};" \
75 " nand read ${loadaddr} kernel ${kernelsize};" \
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H A Dx530.h1 /* SPDX-License-Identifier: GPL-2.0+ */
23 #define CONFIG_SYS_NS16550_REG_SIZE (-4)
40 /* NAND */
51 #define MTDIDS_DEFAULT "nand0=nand"
52 #define MTDPARTS_DEFAULT "mtdparts=nand:240M(user),8M(errlog),8M(nand-bbt)"
57 /* Additional FS support/configuration */
76 /* NAND */
111 #define CONFIG_SPL_MAX_SIZE (CONFIG_SPL_SIZE - 0x0030)
120 #define CONFIG_SPL_STACK (0x40000000 + ((192 - 16) << 10))
/openbmc/linux/Documentation/devicetree/bindings/mtd/
H A Dqcom,nandc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm NAND controller
10 - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
15 - qcom,ipq806x-nand
16 - qcom,ipq4019-nand
17 - qcom,ipq6018-nand
18 - qcom,ipq8074-nand
19 - qcom,sdx55-nand
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H A Dfsl-upm-nand.txt1 Freescale Localbus UPM programmed to work with NAND flash
4 - compatible : "fsl,upm-nand".
5 - reg : should specify localbus chip select and size used for the chip.
6 - fsl,upm-addr-offset : UPM pattern offset for the address latch.
7 - fsl,upm-cmd-offset : UPM pattern offset for the command latch.
10 - fsl,upm-addr-line-cs-offsets : address offsets for multi-chip support.
12 - gpios : may specify optional GPIOs connected to the Ready-Not-Busy pins
13 (R/B#). For multi-chip devices, "n" GPIO definitions are required
17 - fsl,upm-wait-flags : add chip-dependent short delays after running the
20 - chip-delay : chip dependent delay for transferring data from array to
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/openbmc/linux/arch/powerpc/boot/dts/fsl/
H A Dmpc8536ds.dtsi2 * MPC8536DS Device Tree Source stub (no addresses or top-level ranges)
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
46 label = "ramdisk-nor";
51 label = "diagnostic-nor";
52 read-only;
57 label = "dink-nor";
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H A Dp1020rdb.dtsi2 * P1020 RDB Device Tree Source stub (no addresses or top-level ranges)
4 * Copyright 2011-2012 Freescale Semiconductor Inc.
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
48 label = "NOR (RO) Vitesse-7385 Firmware";
49 read-only;
56 read-only;
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H A Dp1020rdb-pc.dtsi2 * P1020 RDB-PC Device Tree Source stub (no addresses or top-level ranges)
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
48 label = "NOR Vitesse-7385 Firmware";
49 read-only;
72 /* 512KB for u-boot Bootloader Image */
73 /* 512KB for u-boot Environment Variables */
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H A Dp1021rdb-pc.dtsi2 * P1021 RDB Device Tree Source stub (no addresses or top-level ranges)
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
48 label = "NOR Vitesse-7385 Firmware";
49 read-only;
75 read-only;
80 /* 512KB for u-boot Bootloader Image */
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H A Dp1025rdb.dtsi2 * P1025 RDB Device Tree Source stub (no addresses or top-level ranges)
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
48 label = "NOR Vitesse-7385 Firmware";
49 read-only;
72 /* 512KB for u-boot Bootloader Image */
73 /* 512KB for u-boot Environment Variables */
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H A Dmpc8572ds.dtsi2 * MPC8572DS Device Tree Source stub (no addresses or top-level ranges)
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
46 label = "ramdisk-nor";
51 label = "diagnostic-nor";
52 read-only;
57 label = "dink-nor";
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/openbmc/linux/Documentation/devicetree/bindings/pinctrl/
H A Dmarvell,kirkwood-pinctrl.txt3 Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
7 - compatible: "marvell,88f6180-pinctrl",
8 "marvell,88f6190-pinctrl", "marvell,88f6192-pinctrl",
9 "marvell,88f6281-pinctrl", "marvell,88f6282-pinctrl",
10 "marvell,98dx4122-pinctrl", "marvell,98dx1135-pinctrl"
11 - reg: register specifier of MPP registers
14 It also support the 88f6281-based variant in the 98dx412x Bobcat SoCs.
24 mpp0 0 gpio, nand(io2), spi(cs)
25 mpp1 1 gpo, nand(io3), spi(mosi)
26 mpp2 2 gpo, nand(io4), spi(sck)
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/openbmc/u-boot/configs/
H A Ddevkit8000_defconfig25 CONFIG_MTDIDS_DEFAULT="nand0=nand"
26 CONFIG_MTDPARTS_DEFAULT="mtdparts=nand:512k(x-loader),1920k(u-boot),128k(u-boot-env),4m(kernel),-(f…
H A Dtao3530_defconfig11 CONFIG_SYS_PROMPT="TAO-3530 # "
25 CONFIG_MTDIDS_DEFAULT="nand0=nand"
26 CONFIG_MTDPARTS_DEFAULT="mtdparts=nand:512k(x-loader),1920k(u-boot),128k(u-boot-env),4m(kernel),-(f…
H A Domap3_ha_defconfig25 CONFIG_MTDIDS_DEFAULT="nand0=nand"
26 CONFIG_MTDPARTS_DEFAULT="mtdparts=nand:512k(x-loader),1920k(u-boot),128k(u-boot-env),4m(kernel),-(f…
H A Domap3_zoom1_defconfig22 CONFIG_MTDIDS_DEFAULT="nand0=nand"
23 CONFIG_MTDPARTS_DEFAULT="mtdparts=nand:512k(x-loader),1920k(u-boot),128k(u-boot-env),4m(kernel),-(f…
H A Dcm_t35_defconfig13 CONFIG_SYS_PROMPT="CM-T3x # "
32 CONFIG_MTDIDS_DEFAULT="nand0=nand"
33 CONFIG_MTDPARTS_DEFAULT="mtdparts=nand:512k(x-loader),1920k(u-boot),256k(u-boot-env),4m(kernel),-(f…
H A Dcm_t3517_defconfig12 CONFIG_SYS_PROMPT="CM-T3517 # "
31 CONFIG_MTDIDS_DEFAULT="nand0=nand"
32 CONFIG_MTDPARTS_DEFAULT="mtdparts=nand:512k(x-loader),1920k(u-boot),256k(u-boot-env),4m(kernel),-(f…
H A Domap3_logic_defconfig33 CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0"
34 …ONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1792k(u-boot),128k(spl-os),128k(u-boot-env…
38 CONFIG_DEFAULT_DEVICE_TREE="logicpd-torpedo-37xx-devkit"
H A Domap35_logic_defconfig17 CONFIG_DEFAULT_FDT_FILE="logicpd-torpedo-35xx-devkit.dtb"
34 CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0"
35 …ONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1792k(u-boot),128k(spl-os),128k(u-boot-env…
39 CONFIG_DEFAULT_DEVICE_TREE="logicpd-torpedo-35xx-devkit"
H A Dimx6q_logic_defconfig14 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg"
28 CONFIG_SPL_PAYLOAD="u-boot.img"
53 CONFIG_MTDIDS_DEFAULT="nand0=gpmi-nand"
54 CONFIG_MTDPARTS_DEFAULT="mtdparts=gpmi-nand:2m(spl),2m(uboot),1m(env),16m(kernel),1m(dtb),-(fs)"
56 CONFIG_DEFAULT_DEVICE_TREE="imx6q-logicpd"
H A Domap3_logic_somlv_defconfig16 CONFIG_DEFAULT_FDT_FILE="logicpd-som-lv-37xx-devkit.dtb"
33 CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0,nor0=physmap-flash.0"
34 …ARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1792k(u-boot),128k(spl-os),128k(u-boot-env),6m(kerne…
38 CONFIG_DEFAULT_DEVICE_TREE="logicpd-som-lv-37xx-devkit"
H A Domap35_logic_somlv_defconfig16 CONFIG_DEFAULT_FDT_FILE="logicpd-som-lv-35xx-devkit.dtb"
33 CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0,nor0=physmap-flash.0"
34 …ARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1792k(u-boot),128k(spl-os),128k(u-boot-env),6m(kerne…
38 CONFIG_DEFAULT_DEVICE_TREE="logicpd-som-lv-35xx-devkit"
/openbmc/linux/Documentation/filesystems/
H A Dubifs.rst1 .. SPDX-License-Identifier: GPL-2.0
10 UBIFS file-system stands for UBI File System. UBI stands for "Unsorted
13 is completely different to any traditional file-system in Linux, like
14 Ext2, XFS, JFS, etc. UBIFS represents a separate class of file-systems
16 file-system of this class is JFFS2.
24 2 MTD devices support 3 main operations - read from some offset within an
26 eraseblock. Block devices support 2 main operations - read a whole
29 re-write its contents. Blocks may be just re-written.
30 4 Eraseblocks become worn out after some number of erase cycles -
31 typically 100K-1G for SLC NAND and NOR flashes, and 1K-10K for MLC
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