diff options
| -rw-r--r-- | Documentation/devicetree/bindings/arm/bcm/bcm63138.txt | 9 | ||||
| -rw-r--r-- | MAINTAINERS | 8 | ||||
| -rw-r--r-- | arch/arm/Kconfig.debug | 18 | ||||
| -rw-r--r-- | arch/arm/boot/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/bcm63138.dtsi | 134 | ||||
| -rw-r--r-- | arch/arm/boot/dts/bcm963138dvt.dts | 30 | ||||
| -rw-r--r-- | arch/arm/include/debug/bcm63xx.S | 33 | ||||
| -rw-r--r-- | arch/arm/mach-bcm/Kconfig | 17 | ||||
| -rw-r--r-- | arch/arm/mach-bcm/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-bcm/bcm63xx.c | 27 |
10 files changed, 278 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/arm/bcm/bcm63138.txt b/Documentation/devicetree/bindings/arm/bcm/bcm63138.txt new file mode 100644 index 000000000000..bd49987a8812 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/bcm/bcm63138.txt @@ -0,0 +1,9 @@ +Broadcom BCM63138 DSL System-on-a-Chip device tree bindings +----------------------------------------------------------- + +Boards compatible with the BCM63138 DSL System-on-a-Chip should have the +following properties: + +Required root node property: + +compatible: should be "brcm,bcm63138" diff --git a/MAINTAINERS b/MAINTAINERS index cf24bb56bab9..be403bcc8e5f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2033,6 +2033,14 @@ F: arch/arm/mach-bcm/bcm_5301x.c F: arch/arm/boot/dts/bcm5301x.dtsi F: arch/arm/boot/dts/bcm470* +BROADCOM BCM63XX ARM ARCHITECTURE +M: Florian Fainelli <f.fainelli@gmail.com> +L: linux-arm-kernel@lists.infradead.org +T: git git://git.github.com/brcm/linux.git +S: Maintained +F: arch/arm/mach-bcm/bcm63xx.c +F: arch/arm/include/debug/bcm63xx.S + BROADCOM BCM7XXX ARM ARCHITECTURE M: Marc Carino <marc.ceeeee@gmail.com> M: Brian Norris <computersforpeace@gmail.com> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 2dc9f6cd3c38..22ebff9d781d 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -122,6 +122,11 @@ choice mobile SoCs in the Kona family of chips (e.g. bcm28155, bcm11351, etc...) + config DEBUG_BCM63XX + bool "Kernel low-level debugging on BCM63XX UART" + depends on ARCH_BCM_63XX + select DEBUG_UART_BCM63XX + config DEBUG_BERLIN_UART bool "Marvell Berlin SoC Debug UART" depends on ARCH_BERLIN @@ -1062,6 +1067,7 @@ config DEBUG_LL_INCLUDE default "debug/vf.S" if DEBUG_VF_UART default "debug/vt8500.S" if DEBUG_VT8500_UART0 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 + default "debug/bcm63xx.S" if DEBUG_UART_BCM63XX default "mach/debug-macro.S" # Compatibility options for PL01x @@ -1081,6 +1087,10 @@ config DEBUG_UART_8250 ARCH_IOP33X || ARCH_IXP4XX || \ ARCH_LPC32XX || ARCH_MV78XX0 || ARCH_ORION5X || ARCH_RPC +# Compatibility options for BCM63xx +config DEBUG_UART_BCM63XX + def_bool ARCH_BCM_63XX + config DEBUG_UART_PHYS hex "Physical base address of debug UART" default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 @@ -1149,11 +1159,13 @@ config DEBUG_UART_PHYS default 0xffc02000 if DEBUG_SOCFPGA_UART default 0xffd82340 if ARCH_IOP13XX default 0xfff36000 if DEBUG_HIGHBANK_UART + default 0xfffe8600 if DEBUG_UART_BCM63XX default 0xfffff700 if ARCH_IOP33X depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ DEBUG_LL_UART_EFM32 || \ DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ - DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART + DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ + DEBUG_UART_BCM63XX config DEBUG_UART_VIRT hex "Virtual base address of debug UART" @@ -1186,6 +1198,7 @@ config DEBUG_UART_VIRT default 0xfa71e000 if DEBUG_QCOM_UARTDM default 0xfb009000 if DEBUG_REALVIEW_STD_PORT default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT + default 0xfcfe8600 if DEBUG_UART_BCM63XX default 0xfd000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX default 0xfd000000 if ARCH_SPEAR13XX default 0xfd012000 if ARCH_MV78XX0 @@ -1224,7 +1237,8 @@ config DEBUG_UART_VIRT default DEBUG_UART_PHYS if !MMU depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ - DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART + DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ + DEBUG_UART_BCM63XX config DEBUG_UART_8250_SHIFT int "Register offset shift for the 8250 debug UART" diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 22aba8598ca7..1a471d7c61ce 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -53,6 +53,7 @@ dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb dtb-$(CONFIG_ARCH_AXXIA) += axm5516-amarillo.dtb dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb +dtb-$(CONFIG_ARCH_BCM_63XX) += bcm963138dvt.dtb dtb-$(CONFIG_ARCH_BCM_MOBILE) += bcm28155-ap.dtb \ bcm21664-garnet.dtb dtb-$(CONFIG_ARCH_BERLIN) += \ diff --git a/arch/arm/boot/dts/bcm63138.dtsi b/arch/arm/boot/dts/bcm63138.dtsi new file mode 100644 index 000000000000..f3bb2dd6269e --- /dev/null +++ b/arch/arm/boot/dts/bcm63138.dtsi @@ -0,0 +1,134 @@ +/* + * Broadcom BCM63138 DSL SoCs Device Tree + */ + +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/interrupt-controller/irq.h> + +#include "skeleton.dtsi" + +/ { + compatible = "brcm,bcm63138"; + model = "Broadcom BCM63138 DSL SoC"; + interrupt-parent = <&gic>; + + aliases { + uart0 = &serial0; + uart1 = &serial1; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + next-level-cache = <&L2>; + reg = <0>; + }; + + cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + next-level-cache = <&L2>; + reg = <1>; + }; + }; + + clocks { + #address-cells = <1>; + #size-cells = <0>; + + arm_timer_clk: arm_timer_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <500000000>; + }; + + periph_clk: periph_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <50000000>; + clock-output-names = "periph"; + }; + }; + + /* ARM bus */ + axi@80000000 { + compatible = "simple-bus"; + ranges = <0 0x80000000 0x784000>; + #address-cells = <1>; + #size-cells = <1>; + + 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>; + }; + + scu: scu@1e000 { + compatible = "arm,cortex-a9-scu"; + reg = <0x1e000 0x100>; + }; + + gic: interrupt-controller@1e100 { + compatible = "arm,cortex-a9-gic"; + reg = <0x1f000 0x1000 + 0x1e100 0x100>; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + }; + + 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>; + }; + + 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>; + }; + + twd_watchdog: watchdog@1e620 { + compatible = "arm,cortex-a9-twd-wdt"; + reg = <0x1e620 0x20>; + interupts = <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + + /* Legacy UBUS base */ + ubus@fffe8000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0xfffe8000 0x8100>; + + serial0: serial@600 { + compatible = "brcm,bcm6345-uart"; + reg = <0x600 0x1b>; + interrupts = <GIC_SPI 32 0>; + clocks = <&periph_clk>; + clock-names = "periph"; + status = "disabled"; + }; + + serial1: serial@620 { + compatible = "brcm,bcm6345-uart"; + reg = <0x620 0x1b>; + interrupts = <GIC_SPI 33 0>; + clocks = <&periph_clk>; + clock-names = "periph"; + status = "disabled"; + }; + }; +}; diff --git a/arch/arm/boot/dts/bcm963138dvt.dts b/arch/arm/boot/dts/bcm963138dvt.dts new file mode 100644 index 000000000000..69c93395ecd2 --- /dev/null +++ b/arch/arm/boot/dts/bcm963138dvt.dts @@ -0,0 +1,30 @@ +/* + * Broadcom BCM63138 Reference Board DTS + */ + +/dts-v1/; + +#include "bcm63138.dtsi" + +/ { + compatible = "brcm,BCM963138DVT", "brcm,bcm63138"; + model = "Broadcom BCM963138DVT"; + + chosen { + bootargs = "console=ttyS0,115200"; + stdout-path = &serial0; + }; + + memory { + reg = <0x0 0x08000000>; + }; + +}; + +&serial0 { + status = "okay"; +}; + +&serial1 { + status = "okay"; +}; diff --git a/arch/arm/include/debug/bcm63xx.S b/arch/arm/include/debug/bcm63xx.S new file mode 100644 index 000000000000..e7164d570f44 --- /dev/null +++ b/arch/arm/include/debug/bcm63xx.S @@ -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. + */ + +#include <linux/serial_bcm63xx.h> + + .macro addruart, rp, rv, tmp + ldr \rp, =CONFIG_DEBUG_UART_PHYS + ldr \rv, =CONFIG_DEBUG_UART_VIRT + .endm + + .macro senduart, rd, rx + /* word access do not work */ + strb \rd, [\rx, #UART_FIFO_REG] + .endm + + .macro waituart, rd, rx +1001: ldr \rd, [\rx, #UART_IR_REG] + tst \rd, #(1 << UART_IR_TXEMPTY) + beq 1001b + .endm + + .macro busyuart, rd, rx +1002: ldr \rd, [\rx, #UART_IR_REG] + tst \rd, #(1 << UART_IR_TXTRESH) + beq 1002b + .endm diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig index fc938005ad39..2abad742516d 100644 --- a/arch/arm/mach-bcm/Kconfig +++ b/arch/arm/mach-bcm/Kconfig @@ -99,6 +99,23 @@ config ARCH_BCM_5301X different SoC or with the older BCM47XX and BCM53XX based network SoC using a MIPS CPU, they are supported by arch/mips/bcm47xx +config ARCH_BCM_63XX + bool "Broadcom BCM63xx DSL SoC" if ARCH_MULTI_V7 + depends on MMU + select ARM_ERRATA_754322 + select ARM_ERRATA_764369 if SMP + select ARM_GIC + select ARM_GLOBAL_TIMER + select CACHE_L2X0 + select HAVE_ARM_ARCH_TIMER + select HAVE_ARM_TWD if SMP + select HAVE_ARM_SCU if SMP + select HAVE_SMP + help + This enables support for systems based on Broadcom DSL SoCs. + It currently supports the 'BCM63XX' ARM-based family, which includes + the BCM63138 variant. + config ARCH_BRCMSTB bool "Broadcom BCM7XXX based boards" if ARCH_MULTI_V7 depends on MMU diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile index b19a39652545..300ae4b79ae6 100644 --- a/arch/arm/mach-bcm/Makefile +++ b/arch/arm/mach-bcm/Makefile @@ -34,6 +34,9 @@ obj-$(CONFIG_ARCH_BCM2835) += board_bcm2835.o # BCM5301X obj-$(CONFIG_ARCH_BCM_5301X) += bcm_5301x.o +# BCM63XXx +obj-$(CONFIG_ARCH_BCM_63XX) := bcm63xx.o + ifeq ($(CONFIG_ARCH_BRCMSTB),y) obj-y += brcmstb.o endif diff --git a/arch/arm/mach-bcm/bcm63xx.c b/arch/arm/mach-bcm/bcm63xx.c new file mode 100644 index 000000000000..c4c66ae51308 --- /dev/null +++ b/arch/arm/mach-bcm/bcm63xx.c @@ -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. + */ + +#include <linux/of_platform.h> + +#include <asm/mach/arch.h> + +static const char * const bcm63xx_dt_compat[] = { + "brcm,bcm63138", + NULL +}; + +DT_MACHINE_START(BCM63XXX_DT, "BCM63xx DSL SoC") + .dt_compat = bcm63xx_dt_compat, + .l2c_aux_val = 0, + .l2c_aux_mask = ~0, +MACHINE_END |