# Re: \[PATCH\] powerpc/85xx:Add BSC9131 RDB Support - From: Kumar Gala \ - Date: 2012-03-16 20:12:51 - List: linuxppc-dev - Page: https://ratatoskr.run/linuxppc-dev/2012/03/8058606 - Thread: https://ratatoskr.run/linux-devicetree/2012/03/8058606/t.md ```text >=20 >=20 > diff --git a/arch/powerpc/boot/dts/bsc9131rdb.dtsi = b/arch/powerpc/boot/dts/bsc9131rdb.dtsi > new file mode 100644 > index 0000000..d274c014 > --- /dev/null > +++ b/arch/powerpc/boot/dts/bsc9131rdb.dtsi > @@ -0,0 +1,179 @@ > +/* > + * BSC9131 RDB Device Tree Source stub (no addresses or top-level = ranges) > + * > + * Copyright 2011-2012 Freescale Semiconductor Inc. > + * > + * Redistribution and use in source and binary forms, with or without > + * modification, are permitted provided that the following conditions = are met: > + * * Redistributions of source code must retain the above = copyright > + * notice, this list of conditions and the following = disclaimer. > + * * Redistributions in binary form must reproduce the above = copyright > + * notice, this list of conditions and the following disclaimer = in the > + * documentation and/or other materials provided with the = distribution. > + * * Neither the name of Freescale Semiconductor nor the > + * names of its contributors may be used to endorse or promote = products > + * derived from this software without specific prior written = permission. > + * > + * > + * ALTERNATIVELY, this software may be distributed under the terms of = the > + * GNU General Public License ("GPL") as published by the Free = Software > + * Foundation, either version 2 of that License or (at your option) = any > + * later version. > + * > + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND = ANY > + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE = IMPLIED > + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE = ARE > + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE = FOR ANY > + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL = DAMAGES > + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR = SERVICES; > + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER = CAUSED AND > + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, = OR TORT > + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE = USE OF THIS > + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. > + */ > + > +&board_ifc { > + > + nand@0,0 { > + #address-cells =3D <1>; > + #size-cells =3D <1>; > + compatible =3D "fsl,ifc-nand"; > + reg =3D <0x0 0x0 0x4000>; > + > + partition@0 { > + /* This location must not be altered */ > + /* 3MB for u-boot Bootloader Image */ > + reg =3D <0x0 0x00300000>; > + label =3D "NAND U-Boot Image"; > + read-only; > + }; > + > + partition@300000 { > + /* 1MB for DTB Image */ > + reg =3D <0x00300000 0x00100000>; > + label =3D "NAND DTB Image"; > + }; > + > + partition@400000 { > + /* 8MB for Linux Kernel Image */ > + reg =3D <0x00400000 0x00800000>; > + label =3D "NAND Linux Kernel Image"; > + }; > + > + partition@c00000 { > + /* Rest space for Root file System Image */ > + reg =3D <0x00c00000 0x07400000>; > + label =3D " NAND RFS Image"; > + }; > + }; > +}; > + > +&board_soc { > + i2c@3000 { > + gpio3: gpio@21 { > + compatible =3D "nxp,pca9555"; Is there any binding spec for nxp, > + reg =3D <0x21>; > + #gpio-cells =3D <2>; > + gpio-controller; > + polarity =3D <0x00>; > + }; > + gpio4: gpio@23 { > + compatible =3D "nxp,pca9555"; > + reg =3D <0x23>; > + #gpio-cells =3D <2>; > + gpio-controller; > + polarity =3D <0x00>; > + }; > + gpio5: gpio@27 { > + compatible =3D "nxp,pca9555"; > + reg =3D <0x27>; > + #gpio-cells =3D <2>; > + gpio-controller; > + polarity =3D <0x00>; > + }; > + hwmon@4c { > + compatible =3D "adi,adt7461"; > + reg =3D <0x4c>; > + }; > + eeprom@52 { > + compatible =3D "st-micro,24c02"; should this have a compatible with atmel,24c02? > + reg =3D <0x52>; > + }; > + }; > + > + /* BSC9131RDB does not have any device on i2c@3100 */ > + i2c@3100 { > + status =3D "disabled"; > + }; > + > + spi@7000 { > + flash@0 { > + #address-cells =3D <1>; > + #size-cells =3D <1>; > + compatible =3D "spansion,s25sl12801"; > + reg =3D <0>; > + spi-max-frequency =3D <50000000>; > + > + /* 512KB for u-boot Bootloader Image */ > + partition@0 { > + reg =3D <0x0 0x00080000>; > + label =3D "SPI Flash U-Boot Image"; > + read-only; > + }; > + > + /* 512KB for DTB Image */ > + partition@80000 { > + reg =3D <0x00080000 0x00080000>; > + label =3D "SPI Flash DTB Image"; > + }; > + > + /* 4MB for Linux Kernel Image */ > + partition@100000 { > + reg =3D <0x00100000 0x00400000>; > + label =3D "SPI Flash Kernel Image"; > + }; > + > + /* 4MB for Compressed RFS Image */ > + partition@500000 { > + reg =3D <0x00500000 0x00400000>; > + label =3D "SPI Flash Compressed RFS = Image"; > + }; > + > + /* 7MB for JFFS2 based RFS */ > + partition@900000 { > + reg =3D <0x00900000 0x00700000>; > + label =3D "SPI Flash JFFS2 RFS Image"; > + }; > + }; > + }; > + > + usb@22000 { > + phy_type =3D "ulpi"; > + }; > + > + mdio@24000 { > + phy0: ethernet-phy@0 { > + interrupts =3D <3 1 0 0>; > + reg =3D <0x0>; > + }; > + > + phy1: ethernet-phy@1 { > + interrupts =3D <2 1 0 0>; > + reg =3D <0x3>; > + }; > + }; > + > + sdhci@2e000 { > + status =3D "disabled"; > + }; > + > + enet0: ethernet@b0000 { > + phy-handle =3D <&phy0>; > + phy-connection-type =3D "rgmii-id"; > + }; > + > + enet1: ethernet@b1000 { > + phy-handle =3D <&phy1>; > + phy-connection-type =3D "rgmii-id"; > + }; > +}; > diff --git a/arch/powerpc/platforms/85xx/bsc913x_board.c = b/arch/powerpc/platforms/85xx/bsc913x_board.c should be bsc913x_rdb.c > new file mode 100644 > index 0000000..934c3b5 > --- /dev/null > +++ b/arch/powerpc/platforms/85xx/bsc913x_board.c > @@ -0,0 +1,96 @@ > +/* > + * BSC9131RDB Board Setup > + * > + * Author: Priyanka Jain [ref] > + * > + * Copyright 2011-2012 Freescale Semiconductor Inc. > + * > + * This program is free software; you can redistribute it and/or = modify it > + * under the terms of the GNU General Public License as published = by the > + * Free Software Foundation; either version 2 of the License, or = (at your > + * option) any later version. > + */ > + > +#include > +#include > +#include > +#include > +#include > + > +void __init bsc913x_board_pic_init(void) > +{ > + struct mpic *mpic; > + struct resource r; > + struct device_node *np; > + > + np =3D of_find_node_by_type(NULL, "open-pic"); > + if (!np) { > + pr_err("bsc913x: Could not find open-pic node\n"); > + return; > + } > + > + if (of_address_to_resource(np, 0, &r)) { > + pr_err("bsc913x: Failed to map mpic register space\n"); > + of_node_put(np); > + return; > + } > + > + mpic =3D mpic_alloc(np, r.start, MPIC_WANTS_RESET | > + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | = MPIC_SINGLE_DEST_CPU, > + 0, 256, " OpenPIC "); > + > + of_node_put(np); > + > + if (!mpic) > + pr_err("bsc913x: Failed to allocate MPIC structure\n"); > + else > + mpic_init(mpic); Please update to match current board code > +} > + > +/* > + * Setup the architecture > + */ > +static void __init bsc913x_board_setup_arch(void) > +{ > + if (ppc_md.progress) > + ppc_md.progress("bsc913x_board_setup_arch()", 0); > + > + pr_info("bsc913x board from Freescale Semiconductor\n"); > +} > + > +static struct of_device_id __initdata bsc913x_board_ids[] =3D { > + { .type =3D "soc", }, > + { .type =3D "dsp", }, remove dsp, doesn't show up anywhere else > + { .compatible =3D "soc", }, > + { .compatible =3D "simple-bus", }, > + { .compatible =3D "gianfar", }, > + {}, > +}; > + > +static int __init bsc913x_board_publish_devices(void) > +{ > + return of_platform_bus_probe(NULL, bsc913x_board_ids, NULL); > +} > +machine_device_initcall(bsc9131_rdb, bsc913x_board_publish_devices); > + > +/* > + * Called very early, device-tree isn't unflattened > + */ > + > +static int __init bsc9131_rdb_probe(void) > +{ > + unsigned long root =3D of_get_flat_dt_root(); > + > + return of_flat_dt_is_compatible(root, "fsl,bsc9131rdb"); > +} > + > +define_machine(bsc9131_rdb) { > + .name =3D "BSC9131 RDB", > + .probe =3D bsc9131_rdb_probe, > + .setup_arch =3D bsc913x_board_setup_arch, > + .init_IRQ =3D bsc913x_board_pic_init, > + .get_irq =3D mpic_get_irq, > + .restart =3D fsl_rstcr_restart, > + .calibrate_decr =3D generic_calibrate_decr, > + .progress =3D udbg_progress, > +}; > --=20 > 1.7.5.4 >=20 >=20 ```