diff options
| -rw-r--r-- | arch/arm/boot/dts/orion5x.dtsi | 98 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/Kconfig | 7 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/board-dt.c | 76 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/common.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/common.h | 2 |
6 files changed, 187 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/orion5x.dtsi b/arch/arm/boot/dts/orion5x.dtsi new file mode 100644 index 000000000000..8aad00f81ed9 --- /dev/null +++ b/arch/arm/boot/dts/orion5x.dtsi @@ -0,0 +1,98 @@ +/* + * Copyright (C) 2012 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/ "skeleton.dtsi" + +/ { + model = "Marvell Orion5x SoC"; + compatible = "marvell,orion5x"; + interrupt-parent = <&intc>; + + intc: interrupt-controller { + compatible = "marvell,orion-intc", "marvell,intc"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0xf1020204 0x04>; + }; + + ocp@f1000000 { + compatible = "simple-bus"; + ranges = <0x00000000 0xf1000000 0x4000000 + 0xf2200000 0xf2200000 0x0000800>; + #address-cells = <1>; + #size-cells = <1>; + + gpio0: gpio@10100 { + compatible = "marvell,orion-gpio"; + #gpio-cells = <2>; + gpio-controller; + reg = <0x10100 0x40>; + ngpio = <32>; + interrupts = <6>, <7>, <8>, <9>; + }; + + serial@12000 { + compatible = "ns16550a"; + reg = <0x12000 0x100>; + reg-shift = <2>; + interrupts = <3>; + /* set clock-frequency in board dts */ + status = "disabled"; + }; + + serial@12100 { + compatible = "ns16550a"; + reg = <0x12100 0x100>; + reg-shift = <2>; + interrupts = <4>; + /* set clock-frequency in board dts */ + status = "disabled"; + }; + + spi@10600 { + compatible = "marvell,orion-spi"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; + reg = <0x10600 0x28>; + status = "disabled"; + }; + + wdt@20300 { + compatible = "marvell,orion-wdt"; + reg = <0x20300 0x28>; + status = "okay"; + }; + + sata@80000 { + compatible = "marvell,orion-sata"; + reg = <0x80000 0x5000>; + interrupts = <29>; + status = "disabled"; + }; + + i2c@11000 { + compatible = "marvell,mv64xxx-i2c"; + reg = <0x11000 0x20>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = <5>; + clock-frequency = <100000>; + status = "disabled"; + }; + + crypto@90000 { + compatible = "marvell,orion-crypto"; + reg = <0x90000 0x10000>, + <0xf2200000 0x800>; + reg-names = "regs", "sram"; + interrupts = <22>; + status = "okay"; + }; + }; +}; diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig index 0673f0c10432..0910c3bd0c99 100644 --- a/arch/arm/mach-orion5x/Kconfig +++ b/arch/arm/mach-orion5x/Kconfig @@ -2,6 +2,13 @@ if ARCH_ORION5X menu "Orion Implementations" +config ARCH_ORION5X_DT + bool "Marvell Orion5x Flattened Device Tree" + select USE_OF + help + Say 'Y' here if you want your kernel to support the + Marvell Orion5x using flattened device tree. + config MACH_DB88F5281 bool "Marvell Orion-2 Development Board" select I2C_BOARDINFO diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile index 7f18cdacd487..843e6deb66d0 100644 --- a/arch/arm/mach-orion5x/Makefile +++ b/arch/arm/mach-orion5x/Makefile @@ -22,3 +22,5 @@ obj-$(CONFIG_MACH_RD88F5181L_GE) += rd88f5181l-ge-setup.o obj-$(CONFIG_MACH_RD88F5181L_FXO) += rd88f5181l-fxo-setup.o obj-$(CONFIG_MACH_RD88F6183AP_GE) += rd88f6183ap-ge-setup.o obj-$(CONFIG_MACH_LINKSTATION_LSCHL) += ls-chl-setup.o + +obj-$(CONFIG_ARCH_ORION5X_DT) += board-dt.o diff --git a/arch/arm/mach-orion5x/board-dt.c b/arch/arm/mach-orion5x/board-dt.c new file mode 100644 index 000000000000..a26397f58f1f --- /dev/null +++ b/arch/arm/mach-orion5x/board-dt.c @@ -0,0 +1,76 @@ +/* + * 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> +#include <asm/system_misc.h> +#include <asm/mach/arch.h> +#include <mach/orion5x.h> +#include <plat/irq.h> +#include "common.h" + +struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = { + 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); + + /* + * Setup Orion address map + */ + orion5x_setup_cpu_mbus_bridge(); + + /* Setup root of clk tree */ + clk_init(); + + /* + * 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"); + disable_hlt(); + } + + 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_early = orion5x_init_early, + .init_irq = orion_dt_init_irq, + .timer = &orion5x_timer, + .init_machine = orion5x_dt_init, + .restart = orion5x_restart, + .dt_compat = orion5x_dt_compat, +MACHINE_END diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index b3eb3da01160..550f92320afb 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -65,7 +65,7 @@ void __init orion5x_map_io(void) ****************************************************************************/ static struct clk *tclk; -static void __init clk_init(void) +void __init clk_init(void) { tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT, orion5x_tclk); @@ -236,7 +236,7 @@ struct sys_timer orion5x_timer = { /* * Identify device ID and rev from PCIe configuration header space '0'. */ -static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) +void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) { orion5x_pcie_id(dev, rev); diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h index 31bab92ce038..2033b79089a7 100644 --- a/arch/arm/mach-orion5x/common.h +++ b/arch/arm/mach-orion5x/common.h @@ -12,6 +12,8 @@ void orion5x_map_io(void); void orion5x_init_early(void); void orion5x_init_irq(void); void orion5x_init(void); +void orion5x_id(u32 *dev, u32 *rev, char **dev_name); +void clk_init(void); extern int orion5x_tclk; extern struct sys_timer orion5x_timer; |