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Merge tag 'bcm63138-v4' of http://github.com/brcm/linux into next/soc
Merge "ARM: BCM: Broadcom BCM63138 support" from Florian Fainelli: This patchset adds very minimal support for the BCM63138 SoC which is a xDSL SoC using a dual Cortex A9 CPU complex. * tag 'bcm63138-v4' of http://github.com/brcm/linux: MAINTAINERS: add entry for the Broadcom BCM63xx ARM SoCs ARM: BCM63XX: add BCM963138DVT Reference platform DTS ARM: BCM63XX: add BCM63138 minimal Device Tree ARM: BCM63XX: add low-level UART debug support ARM: BCM63XX: add basic support for the Broadcom BCM63138 DSL SoC Conflicts: arch/arm/Kconfig.debug Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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| Broadcom BCM63138 DSL System-on-a-Chip device tree bindings | ||
| ----------------------------------------------------------- | ||
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| Boards compatible with the BCM63138 DSL System-on-a-Chip should have the | ||
| following properties: | ||
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| Required root node property: | ||
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| compatible: should be "brcm,bcm63138" |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,134 @@ | ||
| /* | ||
| * Broadcom BCM63138 DSL SoCs Device Tree | ||
| */ | ||
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| #include <dt-bindings/interrupt-controller/arm-gic.h> | ||
| #include <dt-bindings/interrupt-controller/irq.h> | ||
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| #include "skeleton.dtsi" | ||
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| / { | ||
| compatible = "brcm,bcm63138"; | ||
| model = "Broadcom BCM63138 DSL SoC"; | ||
| interrupt-parent = <&gic>; | ||
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| aliases { | ||
| uart0 = &serial0; | ||
| uart1 = &serial1; | ||
| }; | ||
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| cpus { | ||
| #address-cells = <1>; | ||
| #size-cells = <0>; | ||
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| cpu@0 { | ||
| device_type = "cpu"; | ||
| compatible = "arm,cortex-a9"; | ||
| next-level-cache = <&L2>; | ||
| reg = <0>; | ||
| }; | ||
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| cpu@1 { | ||
| device_type = "cpu"; | ||
| compatible = "arm,cortex-a9"; | ||
| next-level-cache = <&L2>; | ||
| reg = <1>; | ||
| }; | ||
| }; | ||
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| clocks { | ||
| #address-cells = <1>; | ||
| #size-cells = <0>; | ||
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| arm_timer_clk: arm_timer_clk { | ||
| #clock-cells = <0>; | ||
| compatible = "fixed-clock"; | ||
| clock-frequency = <500000000>; | ||
| }; | ||
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| periph_clk: periph_clk { | ||
| #clock-cells = <0>; | ||
| compatible = "fixed-clock"; | ||
| clock-frequency = <50000000>; | ||
| clock-output-names = "periph"; | ||
| }; | ||
| }; | ||
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| /* ARM bus */ | ||
| axi@80000000 { | ||
| compatible = "simple-bus"; | ||
| ranges = <0 0x80000000 0x784000>; | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
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| L2: cache-controller@1d000 { | ||
| compatible = "arm,pl310-cache"; | ||
| reg = <0x1d000 0x1000>; | ||
| cache-unified; | ||
| cache-level = <2>; | ||
| cache-sets = <16>; | ||
| cache-size = <0x80000>; | ||
| interrupts = <GIC_PPI 0 IRQ_TYPE_LEVEL_HIGH>; | ||
| }; | ||
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| scu: scu@1e000 { | ||
| compatible = "arm,cortex-a9-scu"; | ||
| reg = <0x1e000 0x100>; | ||
| }; | ||
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| gic: interrupt-controller@1e100 { | ||
| compatible = "arm,cortex-a9-gic"; | ||
| reg = <0x1f000 0x1000 | ||
| 0x1e100 0x100>; | ||
| #interrupt-cells = <3>; | ||
| #address-cells = <0>; | ||
| interrupt-controller; | ||
| }; | ||
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| global_timer: timer@1e200 { | ||
| compatible = "arm,cortex-a9-global-timer"; | ||
| reg = <0x1e200 0x20>; | ||
| interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>; | ||
| clocks = <&arm_timer_clk>; | ||
| }; | ||
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| local_timer: local-timer@1e600 { | ||
| compatible = "arm,cortex-a9-twd-timer"; | ||
| reg = <0x1e600 0x20>; | ||
| interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>; | ||
| clocks = <&arm_timer_clk>; | ||
| }; | ||
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| twd_watchdog: watchdog@1e620 { | ||
| compatible = "arm,cortex-a9-twd-wdt"; | ||
| reg = <0x1e620 0x20>; | ||
| interupts = <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>; | ||
| }; | ||
| }; | ||
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| /* Legacy UBUS base */ | ||
| ubus@fffe8000 { | ||
| compatible = "simple-bus"; | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
| ranges = <0 0xfffe8000 0x8100>; | ||
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| serial0: serial@600 { | ||
| compatible = "brcm,bcm6345-uart"; | ||
| reg = <0x600 0x1b>; | ||
| interrupts = <GIC_SPI 32 0>; | ||
| clocks = <&periph_clk>; | ||
| clock-names = "periph"; | ||
| status = "disabled"; | ||
| }; | ||
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| serial1: serial@620 { | ||
| compatible = "brcm,bcm6345-uart"; | ||
| reg = <0x620 0x1b>; | ||
| interrupts = <GIC_SPI 33 0>; | ||
| clocks = <&periph_clk>; | ||
| clock-names = "periph"; | ||
| status = "disabled"; | ||
| }; | ||
| }; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,30 @@ | ||
| /* | ||
| * Broadcom BCM63138 Reference Board DTS | ||
| */ | ||
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| /dts-v1/; | ||
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| #include "bcm63138.dtsi" | ||
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| / { | ||
| compatible = "brcm,BCM963138DVT", "brcm,bcm63138"; | ||
| model = "Broadcom BCM963138DVT"; | ||
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| chosen { | ||
| bootargs = "console=ttyS0,115200"; | ||
| stdout-path = &serial0; | ||
| }; | ||
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| memory { | ||
| reg = <0x0 0x08000000>; | ||
| }; | ||
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| }; | ||
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| &serial0 { | ||
| status = "okay"; | ||
| }; | ||
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| &serial1 { | ||
| status = "okay"; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,33 @@ | ||
| /* | ||
| * Broadcom BCM63xx low-level UART debug | ||
| * | ||
| * Copyright (C) 2014 Broadcom Corporation | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License version 2 as | ||
| * published by the Free Software Foundation. | ||
| */ | ||
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| #include <linux/serial_bcm63xx.h> | ||
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| .macro addruart, rp, rv, tmp | ||
| ldr \rp, =CONFIG_DEBUG_UART_PHYS | ||
| ldr \rv, =CONFIG_DEBUG_UART_VIRT | ||
| .endm | ||
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| .macro senduart, rd, rx | ||
| /* word access do not work */ | ||
| strb \rd, [\rx, #UART_FIFO_REG] | ||
| .endm | ||
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| .macro waituart, rd, rx | ||
| 1001: ldr \rd, [\rx, #UART_IR_REG] | ||
| tst \rd, #(1 << UART_IR_TXEMPTY) | ||
| beq 1001b | ||
| .endm | ||
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| .macro busyuart, rd, rx | ||
| 1002: ldr \rd, [\rx, #UART_IR_REG] | ||
| tst \rd, #(1 << UART_IR_TXTRESH) | ||
| beq 1002b | ||
| .endm |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| /* | ||
| * Copyright (C) 2014 Broadcom Corporation | ||
| * | ||
| * 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 version 2. | ||
| * | ||
| * This program is distributed "as is" WITHOUT ANY WARRANTY of any | ||
| * kind, whether express or implied; without even the implied warranty | ||
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| */ | ||
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| #include <linux/of_platform.h> | ||
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| #include <asm/mach/arch.h> | ||
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| static const char * const bcm63xx_dt_compat[] = { | ||
| "brcm,bcm63138", | ||
| NULL | ||
| }; | ||
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| DT_MACHINE_START(BCM63XXX_DT, "BCM63xx DSL SoC") | ||
| .dt_compat = bcm63xx_dt_compat, | ||
| .l2c_aux_val = 0, | ||
| .l2c_aux_mask = ~0, | ||
| MACHINE_END |