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OpenCloudOS-Kernel/arch/arm/mach-orion5x/board-dt.c

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arm: orion5x: basic Device Tree support This commit adds basic DT support for the Orion5x SoC family. It adds an orion5x.dtsi description of the Orion5x SoC as well as the needed DT_MACHINE structure to support boards converted to DT in the future. So far, the Device Tree contains the interrupt controller, the GPIO bank, the UART controllers, the SPI controller, the watchdog, the SATA controller, the I2C controller and the cryptographic engine. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-16 23:39:45 +08:00
/*
* Copyright 2012 (C), Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
*
* arch/arm/mach-orion5x/board-dt.c
*
* Flattened Device Tree board initialization
*
* 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 <linux/kernel.h>
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_platform.h>
arm: Use generic idle loop Use the generic idle loop and replace enable/disable_hlt with the respective core functions. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Russell King <linux@arm.linux.org.uk> Tested-by: Kevin Hilman <khilman@linaro.org> # OMAP Link: http://lkml.kernel.org/r/20130321215233.826238797@linutronix.de
2013-03-22 05:49:38 +08:00
#include <linux/cpu.h>
ARM: orion5x: convert DT to use the mvebu-mbus driver 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> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: https://lkml.kernel.org/r/1398202002-28530-14-git-send-email-thomas.petazzoni@free-electrons.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-23 05:26:17 +08:00
#include <linux/mbus.h>
ARM: orion5x: switch to use the clock driver for DT platforms This commit moves the Orion5x platforms using the Device Tree to use the recently introduced clock driver for Orion5x. To achieve that, it: * Adds the necessary DT description of the clock. * Selects ORION_CLK to enable the compilation of the clock driver. * Call of_clk_init() instead of the Orion5x-specific clock initialization function. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Link: https://lkml.kernel.org/r/1398202002-28530-21-git-send-email-thomas.petazzoni@free-electrons.com Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-23 05:26:24 +08:00
#include <linux/clk-provider.h>
ARM: orion5x: switch to DT interrupts and timer This commit switches the Orion5x platforms described through DT to use a DT-defined interrupt controller and timer. This involves: * Describing in the DT the bridge interrupt controller, which is a child interrupt controller to the main one, which is used for timer and watchdog interrupts. * Describing in the DT the timer. * Adding in the DT the interrupt specifications for the watchdog. * Selecting the ORION_IRQCHIP and ORION_TIMER drivers to be compiled. * Change board-dt.c to no longer have an ->init_time() callback, since the default callback will work fine: it calls clocksource_of_init() and of_clk_init(), as needed. * Implement a multi-IRQ handler for non-DT platforms in mach-orion5x/irq.c. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: https://lkml.kernel.org/r/1398202002-28530-24-git-send-email-thomas.petazzoni@free-electrons.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-23 05:26:27 +08:00
#include <linux/clocksource.h>
arm: orion5x: basic Device Tree support This commit adds basic DT support for the Orion5x SoC family. It adds an orion5x.dtsi description of the Orion5x SoC as well as the needed DT_MACHINE structure to support boards converted to DT in the future. So far, the Device Tree contains the interrupt controller, the GPIO bank, the UART controllers, the SPI controller, the watchdog, the SATA controller, the I2C controller and the cryptographic engine. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-16 23:39:45 +08:00
#include <asm/system_misc.h>
#include <asm/mach/arch.h>
ARM: orion5x: convert DT to use the mvebu-mbus driver 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> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: https://lkml.kernel.org/r/1398202002-28530-14-git-send-email-thomas.petazzoni@free-electrons.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-23 05:26:17 +08:00
#include <asm/mach/map.h>
arm: orion5x: basic Device Tree support This commit adds basic DT support for the Orion5x SoC family. It adds an orion5x.dtsi description of the Orion5x SoC as well as the needed DT_MACHINE structure to support boards converted to DT in the future. So far, the Device Tree contains the interrupt controller, the GPIO bank, the UART controllers, the SPI controller, the watchdog, the SATA controller, the I2C controller and the cryptographic engine. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-16 23:39:45 +08:00
#include <mach/orion5x.h>
ARM: orion5x: convert DT to use the mvebu-mbus driver 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> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: https://lkml.kernel.org/r/1398202002-28530-14-git-send-email-thomas.petazzoni@free-electrons.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-23 05:26:17 +08:00
#include <mach/bridge-regs.h>
arm: orion5x: basic Device Tree support This commit adds basic DT support for the Orion5x SoC family. It adds an orion5x.dtsi description of the Orion5x SoC as well as the needed DT_MACHINE structure to support boards converted to DT in the future. So far, the Device Tree contains the interrupt controller, the GPIO bank, the UART controllers, the SPI controller, the watchdog, the SATA controller, the I2C controller and the cryptographic engine. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-16 23:39:45 +08:00
#include <plat/irq.h>
ARM: orion5x: convert DT to use the mvebu-mbus driver 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> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: https://lkml.kernel.org/r/1398202002-28530-14-git-send-email-thomas.petazzoni@free-electrons.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-23 05:26:17 +08:00
#include <plat/time.h>
arm: orion5x: basic Device Tree support This commit adds basic DT support for the Orion5x SoC family. It adds an orion5x.dtsi description of the Orion5x SoC as well as the needed DT_MACHINE structure to support boards converted to DT in the future. So far, the Device Tree contains the interrupt controller, the GPIO bank, the UART controllers, the SPI controller, the watchdog, the SATA controller, the I2C controller and the cryptographic engine. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-16 23:39:45 +08:00
#include "common.h"
ARM: Orion5x: Fix warnings when using C=1. Add missing include files, missing static keyword, and use NULL instead of 0, in order to fix warnings when compiling with C=1. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-10-23 22:12:51 +08:00
static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = {
arm: orion5x: basic Device Tree support This commit adds basic DT support for the Orion5x SoC family. It adds an orion5x.dtsi description of the Orion5x SoC as well as the needed DT_MACHINE structure to support boards converted to DT in the future. So far, the Device Tree contains the interrupt controller, the GPIO bank, the UART controllers, the SPI controller, the watchdog, the SATA controller, the I2C controller and the cryptographic engine. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-16 23:39:45 +08:00
OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),
OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",
NULL),
OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),
OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1090000, "mv_crypto", NULL),
{},
};
static void __init orion5x_dt_init(void)
{
char *dev_name;
u32 dev, rev;
orion5x_id(&dev, &rev, &dev_name);
printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
ARM: orion5x: convert DT to use the mvebu-mbus driver 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> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: https://lkml.kernel.org/r/1398202002-28530-14-git-send-email-thomas.petazzoni@free-electrons.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-23 05:26:17 +08:00
BUG_ON(mvebu_mbus_dt_init());
arm: orion5x: basic Device Tree support This commit adds basic DT support for the Orion5x SoC family. It adds an orion5x.dtsi description of the Orion5x SoC as well as the needed DT_MACHINE structure to support boards converted to DT in the future. So far, the Device Tree contains the interrupt controller, the GPIO bank, the UART controllers, the SPI controller, the watchdog, the SATA controller, the I2C controller and the cryptographic engine. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-16 23:39:45 +08:00
/*
* Setup Orion address map
*/
arm: mach-orion5x: convert to use mvebu-mbus driver This commit migrates the mach-orion5x platforms to use the mvebu-mbus driver and therefore removes the Orion5x-specific addr-map code. The dove_init_early() function now initializes the mvebu-mbus driver by calling mvebu_mbus_init(). We also convert a number of orion5x_setup_xyz_win() calls to the appropriate mvebu_mbus_add_window() calls, as each board was doing its own setup for the NOR window or other devices. Ultimately, those devices will be probed from the DT. The common address decoding windows are now registered in the orion5x_setup_wins() function. It is worth noting that the four PCIe address decoding windows will ultimately no longer have to be registered here: it will be done automatically by the PCIe driver once Dove has been migrated to use the upcoming mvebu PCIe driver. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-22 00:59:18 +08:00
orion5x_setup_wins();
arm: orion5x: basic Device Tree support This commit adds basic DT support for the Orion5x SoC family. It adds an orion5x.dtsi description of the Orion5x SoC as well as the needed DT_MACHINE structure to support boards converted to DT in the future. So far, the Device Tree contains the interrupt controller, the GPIO bank, the UART controllers, the SPI controller, the watchdog, the SATA controller, the I2C controller and the cryptographic engine. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-16 23:39:45 +08:00
/*
* Don't issue "Wait for Interrupt" instruction if we are
* running on D0 5281 silicon.
*/
if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
arm: Use generic idle loop Use the generic idle loop and replace enable/disable_hlt with the respective core functions. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Russell King <linux@arm.linux.org.uk> Tested-by: Kevin Hilman <khilman@linaro.org> # OMAP Link: http://lkml.kernel.org/r/20130321215233.826238797@linutronix.de
2013-03-22 05:49:38 +08:00
cpu_idle_poll_ctrl(true);
arm: orion5x: basic Device Tree support This commit adds basic DT support for the Orion5x SoC family. It adds an orion5x.dtsi description of the Orion5x SoC as well as the needed DT_MACHINE structure to support boards converted to DT in the future. So far, the Device Tree contains the interrupt controller, the GPIO bank, the UART controllers, the SPI controller, the watchdog, the SATA controller, the I2C controller and the cryptographic engine. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-16 23:39:45 +08:00
}
of_platform_populate(NULL, of_default_bus_match_table,
orion5x_auxdata_lookup, NULL);
}
static const char *orion5x_dt_compat[] = {
"marvell,orion5x",
NULL,
};
DT_MACHINE_START(ORION5X_DT, "Marvell Orion5x (Flattened Device Tree)")
/* Maintainer: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> */
.map_io = orion5x_map_io,
.init_machine = orion5x_dt_init,
.restart = orion5x_restart,
.dt_compat = orion5x_dt_compat,
MACHINE_END