From: sebastian.hesselbarth@gmail.com (Sebastian Hesselbarth)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 11/29] ARM: orion5x: convert DT to use the mvebu-mbus driver
Date: Mon, 14 Apr 2014 12:33:01 +0200 [thread overview]
Message-ID: <534BB95D.7080100@gmail.com> (raw)
In-Reply-To: <1397400006-4315-12-git-send-email-thomas.petazzoni@free-electrons.com>
On 04/13/2014 04:39 PM, Thomas Petazzoni wrote:
> This commit switches the Orion5x Device Tree files to use the DT
> representation and probing for the mvebu-mbus driver. The changes are
> mainly:
>
> * Re-organize the DT to follow the same organization as the one used
> on Armada 370/XP, which is needed for mvebu-mbus to work: a
> top-level soc { ... } node, which corresponds to the MBus bus, and
> a sub-node internal-regs { ... } for all peripherals whose register
> sit only in the "Internal Register Window". This change re-indents
> by one level the definition of all nodes in the Device Tree, which
> explains the large change.
>
> * Use custom functions orion5x_dt_init_early() and
> orion5x_dt_init_time() instead of orion5x_init_early() and
> orion5x_timer_init() as we now want the MBus driver to be probed
> from the Device Tree. We still use the old-style timer
> initialization, but that will be changed in a followup commit.
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> ---
> .../dts/orion5x-lacie-ethernet-disk-mini-v2.dts | 23 +-
> arch/arm/boot/dts/orion5x-mv88f5182.dtsi | 24 ++
> arch/arm/boot/dts/orion5x.dtsi | 245 +++++++++++----------
> arch/arm/mach-orion5x/board-dt.c | 19 +-
> 4 files changed, 181 insertions(+), 130 deletions(-)
> create mode 100644 arch/arm/boot/dts/orion5x-mv88f5182.dtsi
>
> diff --git a/arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts b/arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts
> index 24f1ce7..d66d2fa 100644
> --- a/arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts
> +++ b/arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts
> @@ -10,7 +10,7 @@
>
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/input/input.h>
> -#include "orion5x.dtsi"
> +#include "orion5x-mv88f5182.dtsi"
>
> / {
> model = "LaCie Ethernet Disk mini V2";
> @@ -24,15 +24,20 @@
> bootargs = "console=ttyS0,115200n8 earlyprintk";
+ linux,stdout-path = &uart0;
You need labels for it in the SoC dtsi and probably the "linux,"
prefix has already been removed.
I am having a hard time with this and missing node labels on
barebox for kirkwood already. So it would be good to not make
the same mistakes on Orion5x again.
> };
>
> - ocp at f1000000 {
> - serial at 12000 {
> - clock-frequency = <166666667>;
> - status = "okay";
> - };
> + soc {
> + ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>,
> + <MBUS_ID(0x09, 0x00) 0 0xf2200000 0x800>;
> +
> + internal-regs {
> + serial at 12000 {
> + clock-frequency = <166666667>;
With node labels, you don't have to replay bus nodes here again
but can just do
&uart0 {
status = "okay";
};
Also, the clock-frequency property should rather been clocks
and part of SoC dtsi. IIRC, Andrew already mentioned it.
> + status = "okay";
> + };
>
> - sata at 80000 {
> - status = "okay";
> - nr-ports = <2>;
> + sata at 80000 {
Same comment about node labels for sata.
> + status = "okay";
> + nr-ports = <2>;
Not your problem right now, but sata binding and nr-ports
property is broken. It doesn't allow us to distinguish
clocks, sata-phys, and most important does not allow to
disable port0 while using port1.
We should really have a look at it soon.
> + };
> };
> };
>
> diff --git a/arch/arm/boot/dts/orion5x-mv88f5182.dtsi b/arch/arm/boot/dts/orion5x-mv88f5182.dtsi
> new file mode 100644
> index 0000000..ddfb4d1
> --- /dev/null
> +++ b/arch/arm/boot/dts/orion5x-mv88f5182.dtsi
> @@ -0,0 +1,24 @@
> +/*
> + * Copyright (C) 2014 Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> + *
> + * This file is licensed under the terms of the GNU General Public
> + * License version 2. This program is licensed "as is" without any
> + * warranty of any kind, whether express or implied.
> + */
> +
> +#include "orion5x.dtsi"
> +
> +/ {
> + compatible = "marvell,orion5x-88f5182", "marvell,orion5x";
> +
> + soc {
> + compatible = "marvell,orion5x-88f5182-mbus", "simple-bus";
> +
> + internal-regs {
> + mbusc: mbus-controller at 20000 {
> + compatible = "marvell,mbus-controller";
> + reg = <0x20000 0x100>, <0x1500 0x20>;
> + };
> + };
> + };
> +};
> diff --git a/arch/arm/boot/dts/orion5x.dtsi b/arch/arm/boot/dts/orion5x.dtsi
> index 2364e3d..31d46e6 100644
> --- a/arch/arm/boot/dts/orion5x.dtsi
> +++ b/arch/arm/boot/dts/orion5x.dtsi
> @@ -8,6 +8,8 @@
>
> #include "skeleton.dtsi"
>
> +#define MBUS_ID(target,attributes) (((target) << 24) | ((attributes) << 16))
> +
> / {
> model = "Marvell Orion5x SoC";
> compatible = "marvell,orion5x";
> @@ -17,149 +19,154 @@
> gpio0 = &gpio0;
> };
>
> - ocp at f1000000 {
> - compatible = "simple-bus";
> - ranges = <0x00000000 0xf1000000 0x4000000
> - 0xf2200000 0xf2200000 0x0000800>;
> - #address-cells = <1>;
> + soc {
> + #address-cells = <2>;
> #size-cells = <1>;
> + controller = <&mbusc>;
>
> - gpio0: gpio at 10100 {
> - compatible = "marvell,orion-gpio";
> - #gpio-cells = <2>;
> - gpio-controller;
> - reg = <0x10100 0x40>;
> - ngpios = <32>;
> - interrupt-controller;
> - #interrupt-cells = <2>;
> - interrupts = <6>, <7>, <8>, <9>;
> - };
> -
> - spi at 10600 {
> - compatible = "marvell,orion-spi";
> + internal-regs {
> + compatible = "simple-bus";
> #address-cells = <1>;
> - #size-cells = <0>;
> - cell-index = <0>;
> - reg = <0x10600 0x28>;
> - status = "disabled";
> - };
> -
> - i2c at 11000 {
> - compatible = "marvell,mv64xxx-i2c";
> - reg = <0x11000 0x20>;
> - #address-cells = <1>;
> - #size-cells = <0>;
> - interrupts = <5>;
> - clock-frequency = <100000>;
> - status = "disabled";
> - };
> + #size-cells = <1>;
> + ranges = <0 MBUS_ID(0xf0, 0x01) 0 0x100000>;
> +
> + gpio0: gpio at 10100 {
> + compatible = "marvell,orion-gpio";
> + #gpio-cells = <2>;
> + gpio-controller;
> + reg = <0x10100 0x40>;
> + ngpios = <32>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupts = <6>, <7>, <8>, <9>;
> + };
>
> - serial at 12000 {
> - compatible = "ns16550a";
> - reg = <0x12000 0x100>;
> - reg-shift = <2>;
> - interrupts = <3>;
> - /* set clock-frequency in board dts */
> - status = "disabled";
> - };
> + spi at 10600 {
Please add a node label.
> + compatible = "marvell,orion-spi";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + cell-index = <0>;
> + reg = <0x10600 0x28>;
> + status = "disabled";
> + };
>
> - serial at 12100 {
> - compatible = "ns16550a";
> - reg = <0x12100 0x100>;
> - reg-shift = <2>;
> - interrupts = <4>;
> - /* set clock-frequency in board dts */
> - status = "disabled";
> - };
> + i2c at 11000 {
ditto.
> + compatible = "marvell,mv64xxx-i2c";
> + reg = <0x11000 0x20>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + interrupts = <5>;
> + clock-frequency = <100000>;
> + status = "disabled";
> + };
>
> - intc: interrupt-controller at 20200 {
> - compatible = "marvell,orion-intc";
> - interrupt-controller;
> - #interrupt-cells = <1>;
> - reg = <0x20200 0x08>;
> - };
> + serial at 12000 {
ditto.
> + compatible = "ns16550a";
> + reg = <0x12000 0x100>;
> + reg-shift = <2>;
> + interrupts = <3>;
> + /* set clock-frequency in board dts */
clocks = <&reference-to-tclk>;
> + status = "disabled";
> + };
>
> - wdt at 20300 {
> - compatible = "marvell,orion-wdt";
> - reg = <0x20300 0x28>;
> - status = "okay";
> - };
> + serial at 12100 {
ditto.
> + compatible = "ns16550a";
> + reg = <0x12100 0x100>;
> + reg-shift = <2>;
> + interrupts = <4>;
> + /* set clock-frequency in board dts */
clocks = <&reference-to-tclk>;
> + status = "disabled";
> + };
>
> - ehci at 50000 {
> - compatible = "marvell,orion-ehci";
> - reg = <0x50000 0x1000>;
> - interrupts = <17>;
> - status = "disabled";
> - };
> + intc: interrupt-controller at 20200 {
> + compatible = "marvell,orion-intc";
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + reg = <0x20200 0x08>;
> + };
>
> - xor at 60900 {
> - compatible = "marvell,orion-xor";
> - reg = <0x60900 0x100
> - 0x60b00 0x100>;
> - status = "okay";
> + wdt at 20300 {
I suggest to keep on adding node labels for everything.
> + compatible = "marvell,orion-wdt";
> + reg = <0x20300 0x28>;
> + status = "okay";
> + };
>
> - xor00 {
> - interrupts = <30>;
> - dmacap,memcpy;
> - dmacap,xor;
> + ehci at 50000 {
Please add a node label.
> + compatible = "marvell,orion-ehci";
> + reg = <0x50000 0x1000>;
> + interrupts = <17>;
> + status = "disabled";
> };
> - xor01 {
> - interrupts = <31>;
> - dmacap,memcpy;
> - dmacap,xor;
> - dmacap,memset;
> +
> + xor at 60900 {
ditto, also ePAPR suggests "dma-controller" as node name,
so this should become:
xor0: dma-controller at 60900 {
...
};
> + compatible = "marvell,orion-xor";
> + reg = <0x60900 0x100
> + 0x60b00 0x100>;
> + status = "okay";
> +
> + xor00 {
> + interrupts = <30>;
> + dmacap,memcpy;
> + dmacap,xor;
> + };
> + xor01 {
> + interrupts = <31>;
> + dmacap,memcpy;
> + dmacap,xor;
> + dmacap,memset;
> + };
> };
> - };
>
> - eth: ethernet-controller at 72000 {
> - compatible = "marvell,orion-eth";
> - #address-cells = <1>;
> - #size-cells = <0>;
> - reg = <0x72000 0x4000>;
> - marvell,tx-checksum-limit = <1600>;
> - status = "disabled";
> -
> - ethernet-port at 0 {
> - compatible = "marvell,orion-eth-port";
> - reg = <0>;
> - /* overwrite MAC address in bootloader */
> - local-mac-address = [00 00 00 00 00 00];
> - /* set phy-handle property in board file */
> + eth: ethernet-controller at 72000 {
> + compatible = "marvell,orion-eth";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x72000 0x4000>;
> + marvell,tx-checksum-limit = <1600>;
> + status = "disabled";
> +
> + ethernet-port at 0 {
Please add a node label for the port, too.
> + compatible = "marvell,orion-eth-port";
> + reg = <0>;
> + /* overwrite MAC address in bootloader */
> + local-mac-address = [00 00 00 00 00 00];
> + /* set phy-handle property in board file */
> + };
> };
> - };
>
> - mdio: mdio-bus at 72004 {
> - compatible = "marvell,orion-mdio";
> - #address-cells = <1>;
> - #size-cells = <0>;
> - reg = <0x72004 0x84>;
> - interrupts = <22>;
> - status = "disabled";
> + mdio: mdio-bus at 72004 {
> + compatible = "marvell,orion-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x72004 0x84>;
> + interrupts = <22>;
> + status = "disabled";
>
> - /* add phy nodes in board file */
> - };
> + /* add phy nodes in board file */
> + };
> +
> + sata at 80000 {
ditto.
> + compatible = "marvell,orion-sata";
> + reg = <0x80000 0x5000>;
> + interrupts = <29>;
> + status = "disabled";
> + };
>
> - sata at 80000 {
> - compatible = "marvell,orion-sata";
> - reg = <0x80000 0x5000>;
> - interrupts = <29>;
> - status = "disabled";
> + ehci at a0000 {
> + compatible = "marvell,orion-ehci";
> + reg = <0xa0000 0x1000>;
> + interrupts = <12>;
> + status = "disabled";
> + };
> };
>
> crypto at 90000 {
ditto, something like "cesa: crypto at 90000 {"
Sebastian
> compatible = "marvell,orion-crypto";
> - reg = <0x90000 0x10000>,
> - <0xf2200000 0x800>;
> + reg = <MBUS_ID(0xf0, 0x01) 0x90000 0x10000>,
> + <MBUS_ID(0x09, 0x00) 0x0 0x800>;
> reg-names = "regs", "sram";
> interrupts = <28>;
> status = "okay";
> };
> -
> - ehci at a0000 {
> - compatible = "marvell,orion-ehci";
> - reg = <0xa0000 0x1000>;
> - interrupts = <12>;
> - status = "disabled";
> - };
> };
> };
> diff --git a/arch/arm/mach-orion5x/board-dt.c b/arch/arm/mach-orion5x/board-dt.c
> index c134a82..f6a388a 100644
> --- a/arch/arm/mach-orion5x/board-dt.c
> +++ b/arch/arm/mach-orion5x/board-dt.c
> @@ -15,10 +15,14 @@
> #include <linux/of.h>
> #include <linux/of_platform.h>
> #include <linux/cpu.h>
> +#include <linux/mbus.h>
> #include <asm/system_misc.h>
> #include <asm/mach/arch.h>
> +#include <asm/mach/map.h>
> #include <mach/orion5x.h>
> +#include <mach/bridge-regs.h>
> #include <plat/irq.h>
> +#include <plat/time.h>
> #include "common.h"
>
> static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = {
> @@ -31,6 +35,17 @@ static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = {
> {},
> };
>
> +static void orion5x_dt_init_early(void)
> +{
> + orion_time_set_base(TIMER_VIRT_BASE);
> +}
> +
> +static void orion5x_dt_init_time(void)
> +{
> + orion5x_timer_init();
> + BUG_ON(mvebu_mbus_dt_init());
> +}
> +
> static void __init orion5x_dt_init(void)
> {
> char *dev_name;
> @@ -71,9 +86,9 @@ static const char *orion5x_dt_compat[] = {
> DT_MACHINE_START(ORION5X_DT, "Marvell Orion5x (Flattened Device Tree)")
> /* Maintainer: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> */
> .map_io = orion5x_map_io,
> - .init_early = orion5x_init_early,
> + .init_early = orion5x_dt_init_early,
> .init_irq = orion_dt_init_irq,
> - .init_time = orion5x_timer_init,
> + .init_time = orion5x_dt_init_time,
> .init_machine = orion5x_dt_init,
> .restart = orion5x_restart,
> .dt_compat = orion5x_dt_compat,
>
next prev parent reply other threads:[~2014-04-14 10:33 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-13 14:39 [PATCH 00/29] ARM: orion5x: big step towards DT conversion Thomas Petazzoni
2014-04-13 14:39 ` [PATCH 01/29] ARM: orion5x: fix target ID for crypto SRAM window Thomas Petazzoni
2014-04-14 8:59 ` Sebastian Hesselbarth
2014-04-17 4:55 ` Jason Cooper
2014-04-13 14:39 ` [PATCH 02/29] pinctrl: mvebu: new driver for Orion platforms Thomas Petazzoni
2014-04-14 9:15 ` Sebastian Hesselbarth
2014-04-19 17:28 ` Thomas Petazzoni
2014-04-20 10:04 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 03/29] clk: mvebu: add Orion5x clock driver Thomas Petazzoni
2014-04-14 9:27 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 04/29] memory: mvebu-devbus: fix the conversion of the bus width Thomas Petazzoni
2014-04-14 9:30 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 05/29] memory: mvebu-devbus: use ARMADA_ prefix in defines Thomas Petazzoni
2014-04-14 9:33 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 06/29] memory: mvebu-devbus: split functions Thomas Petazzoni
2014-04-14 9:36 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 07/29] memory: mvebu-devbus: add Orion5x support Thomas Petazzoni
2014-04-14 9:41 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 08/29] ARM: orion5x: move interrupt controller node into ocp Thomas Petazzoni
2014-04-14 9:42 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 09/29] ARM: orion5x: switch to preprocessor includes in DT Thomas Petazzoni
2014-04-14 9:43 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 10/29] ARM: orion5x: use existing dt-bindings include for Device Tree files Thomas Petazzoni
2014-04-14 9:43 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 11/29] ARM: orion5x: convert DT to use the mvebu-mbus driver Thomas Petazzoni
2014-04-14 10:33 ` Sebastian Hesselbarth [this message]
2014-04-13 14:39 ` [PATCH 12/29] ARM: orion5x: add interrupt for Ethernet in Device Tree Thomas Petazzoni
2014-04-14 10:33 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 13/29] ARM: orion5x: switch to use the clock driver for DT platforms Thomas Petazzoni
2014-04-14 10:35 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 14/29] ARM: orion: switch to a per-platform handle_irq() function Thomas Petazzoni
2014-04-14 10:40 ` Sebastian Hesselbarth
2014-04-19 7:27 ` Thomas Petazzoni
2014-04-19 9:09 ` Sebastian Hesselbarth
2014-04-19 12:04 ` Thomas Petazzoni
2014-04-19 16:16 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 15/29] ARM: orion5x: switch to DT interrupts and timer Thomas Petazzoni
2014-04-14 10:43 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 16/29] ARM: orion5x: enable pinctrl driver at SoC level Thomas Petazzoni
2014-04-14 10:44 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 17/29] ARM: orion5x: update I2C description " Thomas Petazzoni
2014-04-14 10:45 ` Sebastian Hesselbarth
2014-04-19 7:38 ` Thomas Petazzoni
2014-04-19 9:10 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 18/29] ARM: orion5x: add Device Bus " Thomas Petazzoni
2014-04-14 10:47 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 19/29] ARM: orion5x: add standard pinctrl configs for sata0 and sata1 Thomas Petazzoni
2014-04-14 10:48 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 20/29] ARM: orion5x: convert edmini_v2 to DT pinctrl Thomas Petazzoni
2014-04-13 15:26 ` Andrew Lunn
2014-04-13 15:41 ` Thomas Petazzoni
2014-04-14 10:51 ` Sebastian Hesselbarth
2014-04-14 11:23 ` Thomas Petazzoni
2014-04-14 11:27 ` Sebastian Hesselbarth
2014-04-14 12:06 ` Andrew Lunn
2014-04-14 12:24 ` Ezequiel Garcia
2014-04-14 12:28 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 21/29] ARM: orion5x: use DT to describe I2C devices on edmini_v2 Thomas Petazzoni
2014-04-13 15:28 ` Andrew Lunn
2014-04-13 15:43 ` Thomas Petazzoni
2014-04-13 15:53 ` Andrew Lunn
2014-04-14 10:53 ` Sebastian Hesselbarth
2014-04-13 14:39 ` [PATCH 22/29] ARM: orion5x: use DT to describe EHCI " Thomas Petazzoni
2014-04-14 10:57 ` Sebastian Hesselbarth
2014-04-13 14:40 ` [PATCH 23/29] ARM: orion5x: use DT to describe NOR " Thomas Petazzoni
2014-04-13 15:31 ` Andrew Lunn
2014-04-13 15:45 ` Thomas Petazzoni
2014-04-14 2:10 ` Chris Moore
2014-04-14 2:19 ` Chris Moore
2014-04-14 18:44 ` Andrew Lunn
2014-04-14 11:14 ` Sebastian Hesselbarth
2014-04-14 11:24 ` Thomas Petazzoni
2014-04-14 11:28 ` Sebastian Hesselbarth
2014-04-13 14:40 ` [PATCH 24/29] ARM: orion5x: keep TODO list in edmini_v2 DT Thomas Petazzoni
2014-04-14 11:17 ` Sebastian Hesselbarth
2014-04-15 2:59 ` Chris Moore
2014-04-13 14:40 ` [PATCH 25/29] ARM: orion5x: remove unneeded code for edmini_v2 Thomas Petazzoni
2014-04-14 11:18 ` Sebastian Hesselbarth
2014-04-13 14:40 ` [PATCH 26/29] ARM: orion5x: convert RD-88F5182 to Device Tree Thomas Petazzoni
2014-04-13 15:47 ` Andrew Lunn
2014-04-13 15:56 ` Thomas Petazzoni
2014-04-13 15:59 ` Andrew Lunn
2014-04-13 16:53 ` Thomas Petazzoni
2014-04-13 16:59 ` Sebastian Hesselbarth
2014-04-13 17:50 ` Arnd Bergmann
2014-04-14 8:01 ` Andrew Lunn
2014-04-14 9:08 ` Arnd Bergmann
2014-04-14 11:26 ` Sebastian Hesselbarth
2014-04-19 7:46 ` Thomas Petazzoni
2014-04-19 9:18 ` Sebastian Hesselbarth
2014-04-19 9:18 ` Sebastian Hesselbarth
2014-04-13 14:40 ` [PATCH 27/29] ARM: orion5x: convert d2net " Thomas Petazzoni
2014-04-13 14:40 ` [PATCH 28/29] ARM: orion: remove no longer needed DT IRQ code Thomas Petazzoni
2014-04-13 14:40 ` [PATCH 29/29] ARM: orion: remove no longer needed gpio DT code Thomas Petazzoni
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