diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/Makefile | 7 | ||||
| -rw-r--r-- | arch/arm/boot/Makefile | 6 | ||||
| -rw-r--r-- | arch/arm/boot/dts/skeleton.dtsi | 13 | ||||
| -rw-r--r-- | arch/arm/boot/dts/tegra-harmony.dts | 70 | ||||
| -rw-r--r-- | arch/arm/boot/dts/tegra-seaboard.dts | 28 | ||||
| -rw-r--r-- | arch/arm/boot/dts/tegra20.dtsi | 139 | ||||
| -rw-r--r-- | arch/arm/boot/dts/versatile-ab.dts | 192 | ||||
| -rw-r--r-- | arch/arm/boot/dts/versatile-pb.dts | 48 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach/arch.h | 7 | ||||
| -rw-r--r-- | arch/arm/include/asm/prom.h | 5 | ||||
| -rw-r--r-- | arch/arm/kernel/devtree.c | 14 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/Kconfig | 6 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/Makefile.boot | 3 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/board-dt.c | 119 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/core.c | 62 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/core.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/versatile_dt.c | 51 |
21 files changed, 768 insertions, 19 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 09ebf0ba64fa..2c71a8f3535a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1716,6 +1716,7 @@ config USE_OF bool "Flattened Device Tree support" select OF select OF_EARLY_FLATTREE + select IRQ_DOMAIN help Include support for flattened device tree machine descriptions. diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 3a4a04b33d0f..70c424eaf7b0 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -282,6 +282,12 @@ zImage Image xipImage bootpImage uImage: vmlinux zinstall uinstall install: vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ +%.dtb: + $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ + +dtbs: + $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ + # We use MRPROPER_FILES and CLEAN_FILES now archclean: $(Q)$(MAKE) $(clean)=$(boot) @@ -298,6 +304,7 @@ define archhelp echo ' uImage - U-Boot wrapped zImage' echo ' bootpImage - Combined zImage and initial RAM disk' echo ' (supply initrd image via make variable INITRD=<path>)' + echo ' dtbs - Build device tree blobs for enabled boards' echo ' install - Install uncompressed kernel' echo ' zinstall - Install compressed kernel' echo ' uinstall - Install U-Boot wrapped compressed kernel' diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index 9128fddf1109..a1edfd5a129a 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -59,6 +59,12 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE endif +# Rule to build device tree blobs +$(obj)/%.dtb: $(src)/dts/%.dts + $(call cmd,dtc) + +$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) + quiet_cmd_uimage = UIMAGE $@ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \ -C none -a $(LOADADDR) -e $(STARTADDR) \ diff --git a/arch/arm/boot/dts/skeleton.dtsi b/arch/arm/boot/dts/skeleton.dtsi new file mode 100644 index 000000000000..b41d241de2cd --- /dev/null +++ b/arch/arm/boot/dts/skeleton.dtsi @@ -0,0 +1,13 @@ +/* + * Skeleton device tree; the bare minimum needed to boot; just include and + * add a compatible value. The bootloader will typically populate the memory + * node. + */ + +/ { + #address-cells = <1>; + #size-cells = <1>; + chosen { }; + aliases { }; + memory { device_type = "memory"; reg = <0 0>; }; +}; diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts new file mode 100644 index 000000000000..4c053340ce33 --- /dev/null +++ b/arch/arm/boot/dts/tegra-harmony.dts @@ -0,0 +1,70 @@ +/dts-v1/; + +/memreserve/ 0x1c000000 0x04000000; +/include/ "tegra20.dtsi" + +/ { + model = "NVIDIA Tegra2 Harmony evaluation board"; + compatible = "nvidia,harmony", "nvidia,tegra20"; + + chosen { + bootargs = "vmalloc=192M video=tegrafb console=ttyS0,115200n8 root=/dev/mmcblk0p2 rw rootwait"; + }; + + memory@0 { + reg = < 0x00000000 0x40000000 >; + }; + + i2c@7000c000 { + clock-frequency = <400000>; + + codec: wm8903@1a { + compatible = "wlf,wm8903"; + reg = <0x1a>; + interrupts = < 347 >; + + gpio-controller; + #gpio-cells = <2>; + + /* 0x8000 = Not configured */ + gpio-cfg = < 0x8000 0x8000 0 0x8000 0x8000 >; + }; + }; + + i2c@7000c400 { + clock-frequency = <400000>; + }; + + i2c@7000c500 { + clock-frequency = <400000>; + }; + + i2c@7000d000 { + clock-frequency = <400000>; + }; + + sound { + compatible = "nvidia,harmony-sound", "nvidia,tegra-wm8903"; + + spkr-en-gpios = <&codec 2 0>; + hp-det-gpios = <&gpio 178 0>; + int-mic-en-gpios = <&gpio 184 0>; + ext-mic-en-gpios = <&gpio 185 0>; + }; + + serial@70006300 { + clock-frequency = < 216000000 >; + }; + + sdhci@c8000200 { + gpios = <&gpio 69 0>, /* cd, gpio PI5 */ + <&gpio 57 0>, /* wp, gpio PH1 */ + <&gpio 155 0>; /* power, gpio PT3 */ + }; + + sdhci@c8000600 { + gpios = <&gpio 58 0>, /* cd, gpio PH2 */ + <&gpio 59 0>, /* wp, gpio PH3 */ + <&gpio 70 0>; /* power, gpio PI6 */ + }; +}; diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts new file mode 100644 index 000000000000..1940cae00748 --- /dev/null +++ b/arch/arm/boot/dts/tegra-seaboard.dts @@ -0,0 +1,28 @@ +/dts-v1/; + +/memreserve/ 0x1c000000 0x04000000; +/include/ "tegra20.dtsi" + +/ { + model = "NVIDIA Seaboard"; + compatible = "nvidia,seaboard", "nvidia,tegra20"; + + chosen { + bootargs = "vmalloc=192M video=tegrafb console=ttyS0,115200n8 root=/dev/mmcblk1p3 rw rootwait"; + }; + + memory { + device_type = "memory"; + reg = < 0x00000000 0x40000000 >; + }; + + serial@70006300 { + clock-frequency = < 216000000 >; + }; + + sdhci@c8000400 { + gpios = <&gpio 69 0>, /* cd, gpio PI5 */ + <&gpio 57 0>, /* wp, gpio PH1 */ + <&gpio 70 0>; /* power, gpio PI6 */ + }; +}; diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi new file mode 100644 index 000000000000..5727595cde61 --- /dev/null +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -0,0 +1,139 @@ +/include/ "skeleton.dtsi" + +/ { + compatible = "nvidia,tegra20"; + interrupt-parent = <&intc>; + + intc: interrupt-controller@50041000 { + compatible = "nvidia,tegra20-gic"; + interrupt-controller; + #interrupt-cells = <1>; + reg = < 0x50041000 0x1000 >, + < 0x50040100 0x0100 >; + }; + + i2c@7000c000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nvidia,tegra20-i2c"; + reg = <0x7000C000 0x100>; + interrupts = < 70 >; + }; + + i2c@7000c400 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nvidia,tegra20-i2c"; + reg = <0x7000C400 0x100>; + interrupts = < 116 >; + }; + + i2c@7000c500 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nvidia,tegra20-i2c"; + reg = <0x7000C500 0x100>; + interrupts = < 124 >; + }; + + i2c@7000d000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nvidia,tegra20-i2c"; + reg = <0x7000D000 0x200>; + interrupts = < 85 >; + }; + + i2s@70002800 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nvidia,tegra20-i2s"; + reg = <0x70002800 0x200>; + interrupts = < 45 >; + dma-channel = < 2 >; + }; + + i2s@70002a00 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nvidia,tegra20-i2s"; + reg = <0x70002a00 0x200>; + interrupts = < 35 >; + dma-channel = < 1 >; + }; + + das@70000c00 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nvidia,tegra20-das"; + reg = <0x70000c00 0x80>; + }; + + gpio: gpio@6000d000 { + compatible = "nvidia,tegra20-gpio"; + reg = < 0x6000d000 0x1000 >; + interrupts = < 64 65 66 67 87 119 121 >; + #gpio-cells = <2>; + gpio-controller; + }; + + serial@70006000 { + compatible = "nvidia,tegra20-uart"; + reg = <0x70006000 0x40>; + reg-shift = <2>; + interrupts = < 68 >; + }; + + serial@70006040 { + compatible = "nvidia,tegra20-uart"; + reg = <0x70006040 0x40>; + reg-shift = <2>; + interrupts = < 69 >; + }; + + serial@70006200 { + compatible = "nvidia,tegra20-uart"; + reg = <0x70006200 0x100>; + reg-shift = <2>; + interrupts = < 78 >; + }; + + serial@70006300 { + compatible = "nvidia,tegra20-uart"; + reg = <0x70006300 0x100>; + reg-shift = <2>; + interrupts = < 122 >; + }; + + serial@70006400 { + compatible = "nvidia,tegra20-uart"; + reg = <0x70006400 0x100>; + reg-shift = <2>; + interrupts = < 123 >; + }; + + sdhci@c8000000 { + compatible = "nvidia,tegra20-sdhci"; + reg = <0xc8000000 0x200>; + interrupts = < 46 >; + }; + + sdhci@c8000200 { + compatible = "nvidia,tegra20-sdhci"; + reg = <0xc8000200 0x200>; + interrupts = < 47 >; + }; + + sdhci@c8000400 { + compatible = "nvidia,tegra20-sdhci"; + reg = <0xc8000400 0x200>; + interrupts = < 51 >; + }; + + sdhci@c8000600 { + compatible = "nvidia,tegra20-sdhci"; + reg = <0xc8000600 0x200>; + interrupts = < 63 >; + }; +}; + diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts new file mode 100644 index 000000000000..0b32925f2147 --- /dev/null +++ b/arch/arm/boot/dts/versatile-ab.dts @@ -0,0 +1,192 @@ +/dts-v1/; +/include/ "skeleton.dtsi" + +/ { + model = "ARM Versatile AB"; + compatible = "arm,versatile-ab"; + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&vic>; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + serial2 = &uart2; + i2c0 = &i2c0; + }; + + memory { + reg = <0x0 0x08000000>; + }; + + flash@34000000 { + compatible = "arm,versatile-flash"; + reg = <0x34000000 0x4000000>; + bank-width = <4>; + }; + + i2c0: i2c@10002000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "arm,versatile-i2c"; + reg = <0x10002000 0x1000>; + + rtc@68 { + compatible = "dallas,ds1338"; + reg = <0x68>; + }; + }; + + net@10010000 { + compatible = "smsc,lan91c111"; + reg = <0x10010000 0x10000>; + interrupts = <25>; + }; + + lcd@10008000 { + compatible = "arm,versatile-lcd"; + reg = <0x10008000 0x1000>; + }; + + amba { + compatible = "arm,amba-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + vic: intc@10140000 { + compatible = "arm,versatile-vic"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0x10140000 0x1000>; + }; + + sic: intc@10003000 { + compatible = "arm,versatile-sic"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0x10003000 0x1000>; + interrupt-parent = <&vic>; + interrupts = <31>; /* Cascaded to vic */ + }; + + dma@10130000 { + compatible = "arm,pl081", "arm,primecell"; + reg = <0x10130000 0x1000>; + interrupts = <17>; + }; + + uart0: uart@101f1000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0x101f1000 0x1000>; + interrupts = <12>; + }; + + uart1: uart@101f2000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0x101f2000 0x1000>; + interrupts = <13>; + }; + + uart2: uart@101f3000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0x101f3000 0x1000>; + interrupts = <14>; + }; + + smc@10100000 { + compatible = "arm,primecell"; + reg = <0x10100000 0x1000>; + }; + + mpmc@10110000 { + compatible = "arm,primecell"; + reg = <0x10110000 0x1000>; + }; + + display@10120000 { + compatible = "arm,pl110", "arm,primecell"; + reg = <0x10120000 0x1000>; + interrupts = <16>; + }; + + sctl@101e0000 { + compatible = "arm,primecell"; + reg = <0x101e0000 0x1000>; + }; + + watchdog@101e1000 { + compatible = "arm,primecell"; + reg = <0x101e1000 0x1000>; + interrupts = <0>; + }; + + gpio0: gpio@101e4000 { + compatible = "arm,pl061", "arm,primecell"; + reg = <0x101e4000 0x1000>; + gpio-controller; + interrupts = <6>; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio1: gpio@101e5000 { + compatible = "arm,pl061", "arm,primecell"; + reg = <0x101e5000 0x1000>; + interrupts = <7>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + rtc@101e8000 { + compatible = "arm,pl030", "arm,primecell"; + reg = <0x101e8000 0x1000>; + interrupts = <10>; + }; + + sci@101f0000 { + compatible = "arm,primecell"; + reg = <0x101f0000 0x1000>; + interrupts = <15>; + }; + + ssp@101f4000 { + compatible = "arm,pl022", "arm,primecell"; + reg = <0x101f4000 0x1000>; + interrupts = <11>; + }; + + fpga { + compatible = "arm,versatile-fpga", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x10000000 0x10000>; + + aaci@4000 { + compatible = "arm,primecell"; + reg = <0x4000 0x1000>; + interrupts = <24>; + }; + mmc@5000 { + compatible = "arm,primecell"; + reg = < 0x5000 0x1000>; + interrupts = <22>; + }; + kmi@6000 { + compatible = "arm,pl050", "arm,primecell"; + reg = <0x6000 0x1000>; + interrupt-parent = <&sic>; + interrupts = <3>; + }; + kmi@7000 { + compatible = "arm,pl050", "arm,primecell"; + reg = <0x7000 0x1000>; + interrupt-parent = <&sic>; + interrupts = <4>; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts new file mode 100644 index 000000000000..8a614e398004 --- /dev/null +++ b/arch/arm/boot/dts/versatile-pb.dts @@ -0,0 +1,48 @@ +/include/ "versatile-ab.dts" + +/ { + model = "ARM Versatile PB"; + compatible = "arm,versatile-pb"; + + amba { + gpio2: gpio@101e6000 { + compatible = "arm,pl061", "arm,primecell"; + reg = <0x101e6000 0x1000>; + interrupts = <8>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio3: gpio@101e7000 { + compatible = "arm,pl061", "arm,primecell"; + reg = <0x101e7000 0x1000>; + interrupts = <9>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + fpga { + uart@9000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0x9000 0x1000>; + interrupt-parent = <&sic>; + interrupts = <6>; + }; + sci@a000 { + compatible = "arm,primecell"; + reg = <0xa000 0x1000>; + interrupt-parent = <&sic>; + interrupts = <5>; + }; + mmc@b000 { + compatible = "arm,primecell"; + reg = <0xb000 0x1000>; + interrupts = <23>; + }; + }; + }; +}; diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index 3281fb4b12e3..217aa1911dd7 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -74,4 +74,11 @@ static const struct machine_desc __mach_desc_##_type \ #define MACHINE_END \ }; +#define DT_MACHINE_START(_name, _namestr) \ +static const struct machine_desc __mach_desc_##_name \ + __used \ + __attribute__((__section__(".arch.info.init"))) = { \ + .nr = ~0, \ + .name = _namestr, + #endif diff --git a/arch/arm/include/asm/prom.h b/arch/arm/include/asm/prom.h index 11b8708fc4db..6f65ca86a5ec 100644 --- a/arch/arm/include/asm/prom.h +++ b/arch/arm/include/asm/prom.h @@ -16,11 +16,6 @@ #include <asm/setup.h> #include <asm/irq.h> -static inline void irq_dispose_mapping(unsigned int virq) -{ - return; -} - extern struct machine_desc *setup_machine_fdt(unsigned int dt_phys); extern void arm_dt_memblock_reserve(void); diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c index 0cdd7b456cb2..1a33e9d6bb1f 100644 --- a/arch/arm/kernel/devtree.c +++ b/arch/arm/kernel/devtree.c @@ -132,17 +132,3 @@ struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys) return mdesc_best; } - -/** - * irq_create_of_mapping - Hook to resolve OF irq specifier into a Linux irq# - * - * Currently the mapping mechanism is trivial; simple flat hwirq numbers are - * mapped 1:1 onto Linux irq numbers. Cascaded irq controllers are not - * supported. - */ -unsigned int irq_create_of_mapping(struct device_node *controller, - const u32 *intspec, unsigned int intsize) -{ - return intspec[0]; -} -EXPORT_SYMBOL_GPL(irq_create_of_mapping); diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig index 5ec1846aa1d0..4b8abf93bd95 100644 --- a/arch/arm/mach-tegra/Kconfig +++ b/arch/arm/mach-tegra/Kconfig @@ -51,6 +51,12 @@ config MACH_SEABOARD also be included for some of the derivative boards that have large similarities with the seaboard design. +config MACH_TEGRA_DT + bool "Generic Tegra board (FDT support)" + select USE_OF + help + Support for generic nVidia Tegra boards using Flattened Device Tree + config MACH_TRIMSLICE bool "TrimSlice board" select TEGRA_PCI diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index ed58ef9019b5..f11b9100114a 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -29,5 +29,8 @@ obj-${CONFIG_MACH_PAZ00} += board-paz00-pinmux.o obj-${CONFIG_MACH_SEABOARD} += board-seaboard.o obj-${CONFIG_MACH_SEABOARD} += board-seaboard-pinmux.o +obj-${CONFIG_MACH_TEGRA_DT} += board-dt.o +obj-${CONFIG_MACH_TEGRA_DT} += board-harmony-pinmux.o + obj-${CONFIG_MACH_TRIMSLICE} += board-trimslice.o obj-${CONFIG_MACH_TRIMSLICE} += board-trimslice-pinmux.o diff --git a/arch/arm/mach-tegra/Makefile.boot b/arch/arm/mach-tegra/Makefile.boot index db52d61a7386..428ad122be03 100644 --- a/arch/arm/mach-tegra/Makefile.boot +++ b/arch/arm/mach-tegra/Makefile.boot @@ -1,3 +1,6 @@ zreladdr-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00008000 params_phys-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00000100 initrd_phys-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00800000 + +dtb-$(CONFIG_MACH_HARMONY) += tegra-harmony.dtb +dtb-$(CONFIG_MACH_SEABOARD) += tegra-seaboard.dtb diff --git a/arch/arm/mach-tegra/board-dt.c b/arch/arm/mach-tegra/board-dt.c new file mode 100644 index 000000000000..9f47e04446f3 --- /dev/null +++ b/arch/arm/mach-tegra/board-dt.c @@ -0,0 +1,119 @@ +/* + * nVidia Tegra device tree board support + * + * Copyright (C) 2010 Secret Lab Technologies, Ltd. + * Copyright (C) 2010 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> +#include <linux/clk.h> +#include <linux/dma-mapping.h> +#include <linux/irqdomain.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_fdt.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/pda_power.h> +#include <linux/io.h> +#include <linux/i2c.h> +#include <linux/i2c-tegra.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/setup.h> + +#include <mach/iomap.h> +#include <mach/irqs.h> + +#include "board.h" +#include "board-harmony.h" +#include "clock.h" +#include "devices.h" + +void harmony_pinmux_init(void); +void seaboard_pinmux_init(void); + + +struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC1_BASE, "sdhci-tegra.0", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC2_BASE, "sdhci-tegra.1", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC3_BASE, "sdhci-tegra.2", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC4_BASE, "sdhci-tegra.3", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_I2C_BASE, "tegra-i2c.0", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_I2C2_BASE, "tegra-i2c.1", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_I2C3_BASE, "tegra-i2c.2", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-i2c", TEGRA_DVC_BASE, "tegra-i2c.3", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-i2s", TEGRA_I2S1_BASE, "tegra-i2s.0", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-i2s", TEGRA_I2S1_BASE, "tegra-i2s.1", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-das", TEGRA_APB_MISC_DAS_BASE, "tegra-das", NULL), + {} +}; + +static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = { + /* name parent rate enabled */ + { "uartd", "pll_p", 216000000, true }, + { NULL, NULL, 0, 0}, +}; + +static struct of_device_id tegra_dt_match_table[] __initdata = { + { .compatible = "simple-bus", }, + {} +}; + +static struct of_device_id tegra_dt_gic_match[] __initdata = { + { .compatible = "nvidia,tegra20-gic", }, + {} +}; + +static void __init tegra_dt_init(void) +{ + struct device_node *node; + + node = of_find_matching_node_by_address(NULL, tegra_dt_gic_match, + TEGRA_ARM_INT_DIST_BASE); + if (node) + irq_domain_add_simple(node, INT_GIC_BASE); + + tegra_clk_init_from_table(tegra_dt_clk_init_table); + + if (of_machine_is_compatible("nvidia,harmony")) + harmony_pinmux_init(); + else if (of_machine_is_compatible("nvidia,seaboard")) + seaboard_pinmux_init(); + + /* + * Finished with the static registrations now; fill in the missing + * devices + */ + of_platform_populate(NULL, tegra_dt_match_table, tegra20_auxdata_lookup, NULL); +} + +static const char * tegra_dt_board_compat[] = { + "nvidia,harmony", + "nvidia,seaboard", + NULL +}; + +DT_MACHINE_START(TEGRA_DT, "nVidia Tegra (Flattened Device Tree)") + .map_io = tegra_map_common_io, + .init_early = tegra_init_early, + .init_irq = tegra_init_irq, + .timer = &tegra_timer, + .init_machine = tegra_dt_init, + .dt_compat = tegra_dt_board_compat, +MACHINE_END diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig index 9cdec5aa04a0..c1f38f6625b2 100644 --- a/arch/arm/mach-versatile/Kconfig +++ b/arch/arm/mach-versatile/Kconfig @@ -17,4 +17,12 @@ config MACH_VERSATILE_AB Include support for the ARM(R) Versatile Application Baseboard for the ARM926EJ-S. +config MACH_VERSATILE_DT + bool "Support Versatile platform from device tree" + select USE_OF + select CPU_ARM926T + help + Include support for the ARM(R) Versatile/PB platform, + using the device tree for discovery + endmenu diff --git a/arch/arm/mach-versatile/Makefile b/arch/arm/mach-versatile/Makefile index 97cf4d831b0c..81fa3fe25e1a 100644 --- a/arch/arm/mach-versatile/Makefile +++ b/arch/arm/mach-versatile/Makefile @@ -5,4 +5,5 @@ obj-y := core.o obj-$(CONFIG_ARCH_VERSATILE_PB) += versatile_pb.o obj-$(CONFIG_MACH_VERSATILE_AB) += versatile_ab.o +obj-$(CONFIG_MACH_VERSATILE_DT) += versatile_dt.o obj-$(CONFIG_PCI) += pci.o diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 0c99cf076c63..e340a54251df 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -24,6 +24,9 @@ #include <linux/platform_device.h> #include <linux/sysdev.h> #include <linux/interrupt.h> +#include <linux/irqdomain.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> #include <linux/amba/bus.h> #include <linux/amba/clcd.h> #include <linux/amba/pl061.h> @@ -83,13 +86,26 @@ static struct fpga_irq_data sic_irq = { #define PIC_MASK 0 #endif +/* Lookup table for finding a DT node that represents the vic instance */ +static const struct of_device_id vic_of_match[] __initconst = { + { .compatible = "arm,versatile-vic", }, + {} +}; + +static const struct of_device_id sic_of_match[] __initconst = { + { .compatible = "arm,versatile-sic", }, + {} +}; + void __init versatile_init_irq(void) { vic_init(VA_VIC_BASE, IRQ_VIC_START, ~0, 0); + irq_domain_generate_simple(vic_of_match, VERSATILE_VIC_BASE, IRQ_VIC_START); writel(~0, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR); fpga_irq_init(IRQ_VICSOURCE31, ~PIC_MASK, &sic_irq); + irq_domain_generate_simple(sic_of_match, VERSATILE_SIC_BASE, IRQ_SIC_START); /* * Interrupts on secondary controller from 0 to 8 are routed to @@ -646,6 +662,52 @@ static struct amba_device *amba_devs[] __initdata = { &kmi1_device, }; +#ifdef CONFIG_OF +/* + * Lookup table for attaching a specific name and platform_data pointer to + * devices as they get created by of_platform_populate(). Ideally this table + * would not exist, but the current clock implementation depends on some devices + * having a specific name. + */ +struct of_dev_auxdata versatile_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI0_BASE, "fpga:05", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_KMI0_BASE, "fpga:06", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_KMI1_BASE, "fpga:07", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART3_BASE, "fpga:09", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI1_BASE, "fpga:0b", NULL), + + OF_DEV_AUXDATA("arm,primecell", VERSATILE_CLCD_BASE, "dev:20", &clcd_plat_data), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART0_BASE, "dev:f1", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART1_BASE, "dev:f2", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART2_BASE, "dev:f3", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_SSP_BASE, "dev:f4", NULL), + +#if 0 + /* + * These entries are unnecessary because no clocks referencing + * them. I've left them in for now as place holders in case + * any of them need to be added back, but they should be + * removed before actually committing this patch. --gcl + */ + OF_DEV_AUXDATA("arm,primecell", VERSATILE_AACI_BASE, "fpga:04", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCI1_BASE, "fpga:0a", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_SMC_BASE, "dev:00", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_MPMC_BASE, "dev:10", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_DMAC_BASE, "dev:30", NULL), + + OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCTL_BASE, "dev:e0", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_WATCHDOG_BASE, "dev:e1", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO0_BASE, "dev:e4", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO1_BASE, "dev:e5", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO2_BASE, "dev:e6", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO3_BASE, "dev:e7", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_RTC_BASE, "dev:e8", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCI_BASE, "dev:f0", NULL), +#endif + {} +}; +#endif + #ifdef CONFIG_LEDS #define VA_LEDS_BASE (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_LED_OFFSET) diff --git a/arch/arm/mach-versatile/core.h b/arch/arm/mach-versatile/core.h index fd6404e5d788..e01422700ebb 100644 --- a/arch/arm/mach-versatile/core.h +++ b/arch/arm/mach-versatile/core.h @@ -23,6 +23,7 @@ #define __ASM_ARCH_VERSATILE_H #include <linux/amba/bus.h> +#include <linux/of_platform.h> extern void __init versatile_init(void); extern void __init versatile_init_early(void); @@ -30,6 +31,9 @@ extern void __init versatile_init_irq(void); extern void __init versatile_map_io(void); extern struct sys_timer versatile_timer; extern unsigned int mmc_status(struct device *dev); +#ifdef CONFIG_OF +extern struct of_dev_auxdata versatile_auxdata_lookup[]; +#endif #define AMBA_DEVICE(name,busid,base,plat) \ static struct amba_device name##_device = { \ diff --git a/arch/arm/mach-versatile/versatile_dt.c b/arch/arm/mach-versatile/versatile_dt.c new file mode 100644 index 000000000000..54e037c090f5 --- /dev/null +++ b/arch/arm/mach-versatile/versatile_dt.c @@ -0,0 +1,51 @@ +/* + * Versatile board support using the device tree + * + * Copyright (C) 2010 Secret Lab Technologies Ltd. + * Copyright (C) 2009 Jeremy Kerr <jeremy.kerr@canonical.com> + * Copyright (C) 2004 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/init.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include "core.h" + +static void __init versatile_dt_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, + versatile_auxdata_lookup, NULL); +} + +static const char *versatile_dt_match[] __initconst = { + "arm,versatile-ab", + "arm,versatile-pb", + NULL, +}; + +DT_MACHINE_START(VERSATILE_PB, "ARM-Versatile (Device Tree Support)") + .map_io = versatile_map_io, + .init_early = versatile_init_early, + .init_irq = versatile_init_irq, + .timer = &versatile_timer, + .init_machine = versatile_dt_init, + .dt_compat = versatile_dt_match, +MACHINE_END |