Re: [PATCH] powerpc/85xx:Add BSC9131 RDB Support
flat view
From: Kumar Gala <hidden>
Date: 2012-03-16 20:12:51
Also in:
linux-devicetree
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=20 =20diff --git a/arch/powerpc/boot/dts/bsc9131rdb.dtsi =
b/arch/powerpc/boot/dts/bsc9131rdb.dtsi
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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)
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+ * + * 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.
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+ * + * + * 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
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+ * 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
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+ * 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,
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+ 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?
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+ 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";
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+ }; + + /* 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"; + }; +};
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diff --git a/arch/powerpc/platforms/85xx/bsc913x_board.c =
b/arch/powerpc/platforms/85xx/bsc913x_board.c should be bsc913x_rdb.c
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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 <Priyanka.Jain@freescale.com> + * + * 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
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+ * option) any later version. + */ + +#include <linux/of_platform.h> +#include <linux/pci.h> +#include <asm/mpic.h> +#include <sysdev/fsl_soc.h> +#include <asm/udbg.h> + +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,
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+ 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
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+} + +/* + * 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,
+};
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1.7.5.4
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