ARM: orion5x: convert Maxtor Shared Storage II to the Device Tree
This commit converts the Maxtor Shared Storage II Orion5x platform to the Device Tree. The only remaining things not converted are PCI and the special power off method. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: https://lkml.kernel.org/r/1398202002-28530-37-git-send-email-thomas.petazzoni@free-electrons.com Cc: Sylver Bruneau <sylver.bruneau@googlemail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Thomas Petazzoni
Jason Cooper
Родитель
94b0bd366e
Коммит
fbf04d814d
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@ -291,6 +291,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
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dra7-evm.dtb
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dtb-$(CONFIG_ARCH_ORION5X) += orion5x-lacie-d2-network.dtb \
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orion5x-lacie-ethernet-disk-mini-v2.dtb \
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orion5x-maxtor-shared-storage-2.dtb \
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orion5x-rd88f5182-nas.dtb
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dtb-$(CONFIG_ARCH_PRIMA2) += prima2-evb.dtb
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dtb-$(CONFIG_ARCH_QCOM) += qcom-msm8660-surf.dtb \
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@ -0,0 +1,178 @@
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/*
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* Copyright (C) 2014 Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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* Copyright (C) Sylver Bruneau <sylver.bruneau@googlemail.com>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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/dts-v1/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include "orion5x-mv88f5182.dtsi"
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/ {
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model = "Maxtor Shared Storage II";
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compatible = "maxtor,shared-storage-2", "marvell,orion5x-88f5182", "marvell,orion5x";
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memory {
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reg = <0x00000000 0x4000000>; /* 64 MB */
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};
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chosen {
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bootargs = "console=ttyS0,115200n8 earlyprintk";
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linux,stdout-path = &uart0;
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};
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soc {
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ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>,
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<MBUS_ID(0x09, 0x00) 0 0xf2200000 0x800>,
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<MBUS_ID(0x01, 0x0f) 0 0xff800000 0x40000>;
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};
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gpio-keys {
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compatible = "gpio-keys";
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pinctrl-0 = <&pmx_buttons>;
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pinctrl-names = "default";
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#address-cells = <1>;
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#size-cells = <0>;
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power {
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label = "Power";
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linux,code = <KEY_POWER>;
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gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
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};
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reset {
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label = "Reset";
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linux,code = <KEY_RESTART>;
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gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
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};
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};
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};
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&devbus_bootcs {
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status = "okay";
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devbus,keep-config;
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/*
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* Currently the MTD code does not recognize the MX29LV400CBCT
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* as a bottom-type device. This could cause risks of
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* accidentally erasing critical flash sectors. We thus define
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* a single, write-protected partition covering the whole
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* flash. TODO: once the flash part TOP/BOTTOM detection
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* issue is sorted out in the MTD code, break this into at
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* least three partitions: 'u-boot code', 'u-boot environment'
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* and 'whatever is left'.
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*/
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flash@0 {
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compatible = "cfi-flash";
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reg = <0 0x40000>;
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bank-width = <1>;
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#address-cells = <1>;
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#size-cells = <1>;
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};
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};
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&mdio {
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status = "okay";
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ethphy: ethernet-phy {
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reg = <8>;
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};
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};
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&ehci0 {
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status = "okay";
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};
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ð {
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status = "okay";
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ethernet-port@0 {
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phy-handle = <ðphy>;
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};
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};
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&i2c {
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status = "okay";
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clock-frequency = <100000>;
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#address-cells = <1>;
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rtc@68 {
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compatible = "st,m41t81";
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reg = <0x68>;
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pinctrl-0 = <&pmx_rtc>;
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pinctrl-names = "default";
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interrupt-parent = <&gpio0>;
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interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
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};
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};
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&pinctrl {
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pinctrl-0 = <&pmx_leds &pmx_misc>;
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pinctrl-names = "default";
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pmx_buttons: pmx-buttons {
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marvell,pins = "mpp11", "mpp12";
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marvell,function = "gpio";
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};
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/*
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* MPP0: Power LED
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* MPP1: Error LED
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*/
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pmx_leds: pmx-leds {
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marvell,pins = "mpp0", "mpp1";
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marvell,function = "gpio";
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};
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/*
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* MPP4: HDD ind. (Single/Dual)
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* MPP5: HD0 5V control
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* MPP6: HD0 12V control
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* MPP7: HD1 5V control
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* MPP8: HD1 12V control
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*/
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pmx_misc: pmx-misc {
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marvell,pins = "mpp4", "mpp5", "mpp6", "mpp7", "mpp8", "mpp10";
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marvell,function = "gpio";
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};
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pmx_rtc: pmx-rtc {
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marvell,pins = "mpp3";
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marvell,function = "gpio";
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};
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pmx_sata0_led_active: pmx-sata0-led-active {
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marvell,pins = "mpp14";
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marvell,function = "sata0";
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};
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pmx_sata1_led_active: pmx-sata1-led-active {
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marvell,pins = "mpp15";
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marvell,function = "sata1";
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};
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/*
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* Non MPP GPIOs:
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* GPIO 22: USB port 1 fuse (0 = Fail, 1 = Ok)
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* GPIO 23: Blue front LED off
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* GPIO 24: Inhibit board power off (0 = Disabled, 1 = Enabled)
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*/
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};
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&sata {
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pinctrl-0 = <&pmx_sata0_led_active
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&pmx_sata1_led_active>;
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pinctrl-names = "default";
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status = "okay";
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nr-ports = <2>;
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};
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&uart0 {
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status = "okay";
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};
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@ -129,8 +129,9 @@ config MACH_NET2BIG
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Say 'Y' here if you want your kernel to support the
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LaCie 2Big Network NAS.
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config MACH_MSS2
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bool "Maxtor Shared Storage II"
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config MACH_MSS2_DT
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bool "Maxtor Shared Storage II (Flattened Device Tree)"
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select ARCH_ORION5X_DT
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help
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Say 'Y' here if you want your kernel to support the
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Maxtor Shared Storage II platform.
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@ -13,7 +13,6 @@ obj-$(CONFIG_MACH_WRT350N_V2) += wrt350n-v2-setup.o
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obj-$(CONFIG_MACH_TS78XX) += ts78xx-setup.o
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obj-$(CONFIG_MACH_MV2120) += mv2120-setup.o
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obj-$(CONFIG_MACH_NET2BIG) += net2big-setup.o
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obj-$(CONFIG_MACH_MSS2) += mss2-setup.o
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obj-$(CONFIG_MACH_WNR854T) += wnr854t-setup.o
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obj-$(CONFIG_MACH_RD88F5181L_GE) += rd88f5181l-ge-setup.o
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obj-$(CONFIG_MACH_RD88F5181L_FXO) += rd88f5181l-fxo-setup.o
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@ -22,4 +21,5 @@ obj-$(CONFIG_MACH_LINKSTATION_LSCHL) += ls-chl-setup.o
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obj-$(CONFIG_ARCH_ORION5X_DT) += board-dt.o
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obj-$(CONFIG_MACH_D2NET_DT) += board-d2net.o
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obj-$(CONFIG_MACH_MSS2_DT) += board-mss2.o
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obj-$(CONFIG_MACH_RD88F5182_DT) += board-rd88f5182.o
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@ -61,6 +61,9 @@ static void __init orion5x_dt_init(void)
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cpu_idle_poll_ctrl(true);
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}
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if (of_machine_is_compatible("maxtor,shared-storage-2"))
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mss2_init();
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of_platform_populate(NULL, of_default_bus_match_table,
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orion5x_auxdata_lookup, NULL);
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}
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@ -0,0 +1,90 @@
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/*
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* Maxtor Shared Storage II Board Setup
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*
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* Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/pci.h>
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#include <linux/irq.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/pci.h>
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#include <mach/orion5x.h>
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#include <mach/bridge-regs.h>
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#include "common.h"
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/*****************************************************************************
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* Maxtor Shared Storage II Info
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****************************************************************************/
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/****************************************************************************
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* PCI setup
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****************************************************************************/
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static int __init mss2_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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{
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int irq;
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/*
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* Check for devices with hard-wired IRQs.
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*/
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irq = orion5x_pci_map_irq(dev, slot, pin);
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if (irq != -1)
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return irq;
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return -1;
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}
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static struct hw_pci mss2_pci __initdata = {
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.nr_controllers = 2,
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.setup = orion5x_pci_sys_setup,
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.scan = orion5x_pci_sys_scan_bus,
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.map_irq = mss2_pci_map_irq,
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};
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static int __init mss2_pci_init(void)
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{
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if (machine_is_mss2())
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pci_common_init(&mss2_pci);
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return 0;
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}
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subsys_initcall(mss2_pci_init);
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/*****************************************************************************
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* MSS2 power off method
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****************************************************************************/
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/*
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* On the Maxtor Shared Storage II, the shutdown process is the following :
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* - Userland modifies U-boot env to tell U-boot to go idle at next boot
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* - The board reboots
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* - U-boot starts and go into an idle mode until the user press "power"
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*/
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static void mss2_power_off(void)
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{
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u32 reg;
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/*
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* Enable and issue soft reset
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*/
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reg = readl(RSTOUTn_MASK);
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reg |= 1 << 2;
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writel(reg, RSTOUTn_MASK);
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reg = readl(CPU_SOFT_RESET);
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reg |= 1;
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writel(reg, CPU_SOFT_RESET);
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}
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void __init mss2_init(void)
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{
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/* register mss2 specific power-off method */
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pm_power_off = mss2_power_off;
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}
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@ -68,6 +68,12 @@ struct meminfo;
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struct tag;
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extern void __init tag_fixup_mem32(struct tag *, char **, struct meminfo *);
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#ifdef CONFIG_MACH_MSS2_DT
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extern void mss2_init(void);
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#else
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static inline void mss2_init(void) {}
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#endif
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/*****************************************************************************
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* Helpers to access Orion registers
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****************************************************************************/
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@ -1,274 +0,0 @@
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/*
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* Maxtor Shared Storage II Board Setup
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*
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* Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com>
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*
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* 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.
|
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*/
|
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/pci.h>
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#include <linux/irq.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mv643xx_eth.h>
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#include <linux/leds.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/i2c.h>
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#include <linux/ata_platform.h>
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#include <linux/gpio.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/pci.h>
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#include <mach/orion5x.h>
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#include <mach/bridge-regs.h>
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#include "common.h"
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#include "mpp.h"
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#define MSS2_NOR_BOOT_BASE 0xff800000
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#define MSS2_NOR_BOOT_SIZE SZ_256K
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/*****************************************************************************
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* Maxtor Shared Storage II Info
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****************************************************************************/
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/*
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* Maxtor Shared Storage II hardware :
|
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* - Marvell 88F5182-A2 C500
|
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* - Marvell 88E1111 Gigabit Ethernet PHY
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* - RTC M41T81 (@0x68) on I2C bus
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* - 256KB NOR flash
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* - 64MB of RAM
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*/
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/*****************************************************************************
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* 256KB NOR Flash on BOOT Device
|
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****************************************************************************/
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static struct physmap_flash_data mss2_nor_flash_data = {
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.width = 1,
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};
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|
||||
static struct resource mss2_nor_flash_resource = {
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.flags = IORESOURCE_MEM,
|
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.start = MSS2_NOR_BOOT_BASE,
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.end = MSS2_NOR_BOOT_BASE + MSS2_NOR_BOOT_SIZE - 1,
|
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};
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||||
static struct platform_device mss2_nor_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &mss2_nor_flash_data,
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},
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.resource = &mss2_nor_flash_resource,
|
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.num_resources = 1,
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};
|
||||
|
||||
/****************************************************************************
|
||||
* PCI setup
|
||||
****************************************************************************/
|
||||
static int __init mss2_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
|
||||
{
|
||||
int irq;
|
||||
|
||||
/*
|
||||
* Check for devices with hard-wired IRQs.
|
||||
*/
|
||||
irq = orion5x_pci_map_irq(dev, slot, pin);
|
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if (irq != -1)
|
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return irq;
|
||||
|
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return -1;
|
||||
}
|
||||
|
||||
static struct hw_pci mss2_pci __initdata = {
|
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.nr_controllers = 2,
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.setup = orion5x_pci_sys_setup,
|
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.scan = orion5x_pci_sys_scan_bus,
|
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.map_irq = mss2_pci_map_irq,
|
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};
|
||||
|
||||
static int __init mss2_pci_init(void)
|
||||
{
|
||||
if (machine_is_mss2())
|
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pci_common_init(&mss2_pci);
|
||||
|
||||
return 0;
|
||||
}
|
||||
subsys_initcall(mss2_pci_init);
|
||||
|
||||
|
||||
/*****************************************************************************
|
||||
* Ethernet
|
||||
****************************************************************************/
|
||||
|
||||
static struct mv643xx_eth_platform_data mss2_eth_data = {
|
||||
.phy_addr = MV643XX_ETH_PHY_ADDR(8),
|
||||
};
|
||||
|
||||
/*****************************************************************************
|
||||
* SATA
|
||||
****************************************************************************/
|
||||
|
||||
static struct mv_sata_platform_data mss2_sata_data = {
|
||||
.n_ports = 2,
|
||||
};
|
||||
|
||||
/*****************************************************************************
|
||||
* GPIO buttons
|
||||
****************************************************************************/
|
||||
|
||||
#define MSS2_GPIO_KEY_RESET 12
|
||||
#define MSS2_GPIO_KEY_POWER 11
|
||||
|
||||
static struct gpio_keys_button mss2_buttons[] = {
|
||||
{
|
||||
.code = KEY_POWER,
|
||||
.gpio = MSS2_GPIO_KEY_POWER,
|
||||
.desc = "Power",
|
||||
.active_low = 1,
|
||||
}, {
|
||||
.code = KEY_RESTART,
|
||||
.gpio = MSS2_GPIO_KEY_RESET,
|
||||
.desc = "Reset",
|
||||
.active_low = 1,
|
||||
},
|
||||
};
|
||||
|
||||
static struct gpio_keys_platform_data mss2_button_data = {
|
||||
.buttons = mss2_buttons,
|
||||
.nbuttons = ARRAY_SIZE(mss2_buttons),
|
||||
};
|
||||
|
||||
static struct platform_device mss2_button_device = {
|
||||
.name = "gpio-keys",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = &mss2_button_data,
|
||||
},
|
||||
};
|
||||
|
||||
/*****************************************************************************
|
||||
* RTC m41t81 on I2C bus
|
||||
****************************************************************************/
|
||||
|
||||
#define MSS2_GPIO_RTC_IRQ 3
|
||||
|
||||
static struct i2c_board_info __initdata mss2_i2c_rtc = {
|
||||
I2C_BOARD_INFO("m41t81", 0x68),
|
||||
};
|
||||
|
||||
/*****************************************************************************
|
||||
* MSS2 power off method
|
||||
****************************************************************************/
|
||||
/*
|
||||
* On the Maxtor Shared Storage II, the shutdown process is the following :
|
||||
* - Userland modifies U-boot env to tell U-boot to go idle at next boot
|
||||
* - The board reboots
|
||||
* - U-boot starts and go into an idle mode until the user press "power"
|
||||
*/
|
||||
static void mss2_power_off(void)
|
||||
{
|
||||
u32 reg;
|
||||
|
||||
/*
|
||||
* Enable and issue soft reset
|
||||
*/
|
||||
reg = readl(RSTOUTn_MASK);
|
||||
reg |= 1 << 2;
|
||||
writel(reg, RSTOUTn_MASK);
|
||||
|
||||
reg = readl(CPU_SOFT_RESET);
|
||||
reg |= 1;
|
||||
writel(reg, CPU_SOFT_RESET);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* General Setup
|
||||
****************************************************************************/
|
||||
static unsigned int mss2_mpp_modes[] __initdata = {
|
||||
MPP0_GPIO, /* Power LED */
|
||||
MPP1_GPIO, /* Error LED */
|
||||
MPP2_UNUSED,
|
||||
MPP3_GPIO, /* RTC interrupt */
|
||||
MPP4_GPIO, /* HDD ind. (Single/Dual)*/
|
||||
MPP5_GPIO, /* HD0 5V control */
|
||||
MPP6_GPIO, /* HD0 12V control */
|
||||
MPP7_GPIO, /* HD1 5V control */
|
||||
MPP8_GPIO, /* HD1 12V control */
|
||||
MPP9_UNUSED,
|
||||
MPP10_GPIO, /* Fan control */
|
||||
MPP11_GPIO, /* Power button */
|
||||
MPP12_GPIO, /* Reset button */
|
||||
MPP13_UNUSED,
|
||||
MPP14_SATA_LED, /* SATA 0 active */
|
||||
MPP15_SATA_LED, /* SATA 1 active */
|
||||
MPP16_UNUSED,
|
||||
MPP17_UNUSED,
|
||||
MPP18_UNUSED,
|
||||
MPP19_UNUSED,
|
||||
0,
|
||||
};
|
||||
|
||||
static void __init mss2_init(void)
|
||||
{
|
||||
/* Setup basic Orion functions. Need to be called early. */
|
||||
orion5x_init();
|
||||
|
||||
orion5x_mpp_conf(mss2_mpp_modes);
|
||||
|
||||
/*
|
||||
* MPP[20] Unused
|
||||
* MPP[21] PCI clock
|
||||
* MPP[22] USB 0 over current
|
||||
* MPP[23] USB 1 over current
|
||||
*/
|
||||
|
||||
/*
|
||||
* Configure peripherals.
|
||||
*/
|
||||
orion5x_ehci0_init();
|
||||
orion5x_ehci1_init();
|
||||
orion5x_eth_init(&mss2_eth_data);
|
||||
orion5x_i2c_init();
|
||||
orion5x_sata_init(&mss2_sata_data);
|
||||
orion5x_uart0_init();
|
||||
orion5x_xor_init();
|
||||
|
||||
mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
|
||||
ORION_MBUS_DEVBUS_BOOT_ATTR,
|
||||
MSS2_NOR_BOOT_BASE,
|
||||
MSS2_NOR_BOOT_SIZE);
|
||||
platform_device_register(&mss2_nor_flash);
|
||||
|
||||
platform_device_register(&mss2_button_device);
|
||||
|
||||
if (gpio_request(MSS2_GPIO_RTC_IRQ, "rtc") == 0) {
|
||||
if (gpio_direction_input(MSS2_GPIO_RTC_IRQ) == 0)
|
||||
mss2_i2c_rtc.irq = gpio_to_irq(MSS2_GPIO_RTC_IRQ);
|
||||
else
|
||||
gpio_free(MSS2_GPIO_RTC_IRQ);
|
||||
}
|
||||
i2c_register_board_info(0, &mss2_i2c_rtc, 1);
|
||||
|
||||
/* register mss2 specific power-off method */
|
||||
pm_power_off = mss2_power_off;
|
||||
}
|
||||
|
||||
MACHINE_START(MSS2, "Maxtor Shared Storage II")
|
||||
/* Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com> */
|
||||
.atag_offset = 0x100,
|
||||
.init_machine = mss2_init,
|
||||
.map_io = orion5x_map_io,
|
||||
.init_early = orion5x_init_early,
|
||||
.init_irq = orion5x_init_irq,
|
||||
.init_time = orion5x_timer_init,
|
||||
.fixup = tag_fixup_mem32,
|
||||
.restart = orion5x_restart,
|
||||
MACHINE_END
|
||||
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