Message ID | 20220815113359.v2.1.I7c470cdf7582d7ef7676b1888e97a3ceeb91a7c4@changeid |
---|---|
State | Superseded |
Delegated to: | Tom Rini |
Headers | show |
Series | arm: bcmbca: move bcm68360 support under CONFIG_ARCH_BCMBCA | expand |
Hi William, Le 15/08/2022 à 20:55, William Zhang a écrit : > BCM6856 is a Broadcom B53 based PON Gateway SoC. It is part of the BCA > (Broadband Carrier Access origin) chipset family. Like other Broadband > SoC, this patch adds it under CONFIG_BCM6856 chip config and > CONFIG_ARCH_BCMBCA platform config. > > This initial support includes a bare-bone implementation and dts with > CPU subsystem, memory and Broadcom uart. This SoC is supported in the > linux-next git repository so the dts and dtsi files are copied from > linux. > > The u-boot image can be loaded from flash or network to the entry point > address in the memory and boot from there to the console. > > Signed-off-by: William Zhang <william.zhang@broadcom.com> Reviewed-by: Philippe Reynes <philippe.reynes@softathome.com> > --- > > (no changes since v1) > > MAINTAINERS | 1 + > arch/arm/dts/Makefile | 2 + > arch/arm/dts/bcm6856.dtsi | 103 +++++++++++++++++++++++ > arch/arm/dts/bcm96856.dts | 30 +++++++ > arch/arm/mach-bcmbca/Kconfig | 8 ++ > arch/arm/mach-bcmbca/Makefile | 1 + > arch/arm/mach-bcmbca/bcm6856/Kconfig | 17 ++++ > arch/arm/mach-bcmbca/bcm6856/Makefile | 5 ++ > arch/arm/mach-bcmbca/bcm6856/mmu_table.c | 32 +++++++ > board/broadcom/bcmbca/Kconfig | 7 ++ > configs/bcm96856_defconfig | 23 +++++ > include/configs/bcm96856.h | 11 +++ > 12 files changed, 240 insertions(+) > create mode 100644 arch/arm/dts/bcm6856.dtsi > create mode 100644 arch/arm/dts/bcm96856.dts > create mode 100644 arch/arm/mach-bcmbca/bcm6856/Kconfig > create mode 100644 arch/arm/mach-bcmbca/bcm6856/Makefile > create mode 100644 arch/arm/mach-bcmbca/bcm6856/mmu_table.c > create mode 100644 configs/bcm96856_defconfig > create mode 100644 include/configs/bcm96856.h > > diff --git a/MAINTAINERS b/MAINTAINERS > index d0a5b2352cc8..1f50dad583ce 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -230,6 +230,7 @@ N: bcm[9]?63178 > N: bcm[9]?6756 > N: bcm[9]?6813 > N: bcm[9]?6846 > +N: bcm[9]?6856 > N: bcm[9]?6878 > > ARM BROADCOM BCMSTB > diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile > index c55bc3569662..a32bdf8c9f17 100644 > --- a/arch/arm/dts/Makefile > +++ b/arch/arm/dts/Makefile > @@ -1182,6 +1182,8 @@ dtb-$(CONFIG_BCM6813) += \ > bcm96813.dtb > dtb-$(CONFIG_BCM6846) += \ > bcm96846.dtb > +dtb-$(CONFIG_BCM6856) += \ > + bcm96856.dtb > dtb-$(CONFIG_BCM6878) += \ > bcm96878.dtb > > diff --git a/arch/arm/dts/bcm6856.dtsi b/arch/arm/dts/bcm6856.dtsi > new file mode 100644 > index 000000000000..0bce6497219f > --- /dev/null > +++ b/arch/arm/dts/bcm6856.dtsi > @@ -0,0 +1,103 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright 2022 Broadcom Ltd. > + */ > + > +#include <dt-bindings/interrupt-controller/irq.h> > +#include <dt-bindings/interrupt-controller/arm-gic.h> > + > +/ { > + compatible = "brcm,bcm6856", "brcm,bcmbca"; > + #address-cells = <2>; > + #size-cells = <2>; > + > + interrupt-parent = <&gic>; > + > + cpus { > + #address-cells = <2>; > + #size-cells = <0>; > + > + B53_0: cpu@0 { > + compatible = "brcm,brahma-b53"; > + device_type = "cpu"; > + reg = <0x0 0x0>; > + next-level-cache = <&L2_0>; > + enable-method = "psci"; > + }; > + > + B53_1: cpu@1 { > + compatible = "brcm,brahma-b53"; > + device_type = "cpu"; > + reg = <0x0 0x1>; > + next-level-cache = <&L2_0>; > + enable-method = "psci"; > + }; > + > + L2_0: l2-cache0 { > + compatible = "cache"; > + }; > + }; > + > + timer { > + compatible = "arm,armv8-timer"; > + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>; > + }; > + > + pmu: pmu { > + compatible = "arm,cortex-a53-pmu"; > + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-affinity = <&B53_0>, <&B53_1>; > + }; > + > + clocks: clocks { > + periph_clk:periph-clk { > + compatible = "fixed-clock"; > + #clock-cells = <0>; > + clock-frequency = <200000000>; > + }; > + }; > + > + psci { > + compatible = "arm,psci-0.2"; > + method = "smc"; > + }; > + > + axi@81000000 { > + compatible = "simple-bus"; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0x0 0x0 0x81000000 0x8000>; > + > + gic: interrupt-controller@1000 { > + compatible = "arm,gic-400"; > + #interrupt-cells = <3>; > + interrupt-controller; > + reg = <0x1000 0x1000>, /* GICD */ > + <0x2000 0x2000>, /* GICC */ > + <0x4000 0x2000>, /* GICH */ > + <0x6000 0x2000>; /* GICV */ > + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | > + IRQ_TYPE_LEVEL_HIGH)>; > + }; > + }; > + > + bus@ff800000 { > + compatible = "simple-bus"; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0x0 0x0 0xff800000 0x800000>; > + > + uart0: serial@640 { > + compatible = "brcm,bcm6345-uart"; > + reg = <0x640 0x18>; > + interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&periph_clk>; > + clock-names = "refclk"; > + status = "disabled"; > + }; > + }; > +}; > diff --git a/arch/arm/dts/bcm96856.dts b/arch/arm/dts/bcm96856.dts > new file mode 100644 > index 000000000000..032aeb75c983 > --- /dev/null > +++ b/arch/arm/dts/bcm96856.dts > @@ -0,0 +1,30 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright 2022 Broadcom Ltd. > + */ > + > +/dts-v1/; > + > +#include "bcm6856.dtsi" > + > +/ { > + model = "Broadcom BCM96856 Reference Board"; > + compatible = "brcm,bcm96856", "brcm,bcm6856", "brcm,bcmbca"; > + > + aliases { > + serial0 = &uart0; > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > + memory@0 { > + device_type = "memory"; > + reg = <0x0 0x0 0x0 0x08000000>; > + }; > +}; > + > +&uart0 { > + status = "okay"; > +}; > diff --git a/arch/arm/mach-bcmbca/Kconfig b/arch/arm/mach-bcmbca/Kconfig > index d78618820b58..5dd566a98d32 100644 > --- a/arch/arm/mach-bcmbca/Kconfig > +++ b/arch/arm/mach-bcmbca/Kconfig > @@ -83,6 +83,13 @@ config BCM6846 > select DM_SERIAL > select BCM6345_SERIAL > > +config BCM6856 > + bool "Support for Broadcom 6856 Family" > + select ARM64 > + select SYS_ARCH_TIMER > + select DM_SERIAL > + select BCM6345_SERIAL > + > config BCM6878 > bool "Support for Broadcom 6878 Family" > select SYS_ARCH_TIMER > @@ -101,6 +108,7 @@ source "arch/arm/mach-bcmbca/bcm63178/Kconfig" > source "arch/arm/mach-bcmbca/bcm6756/Kconfig" > source "arch/arm/mach-bcmbca/bcm6813/Kconfig" > source "arch/arm/mach-bcmbca/bcm6846/Kconfig" > +source "arch/arm/mach-bcmbca/bcm6856/Kconfig" > source "arch/arm/mach-bcmbca/bcm6878/Kconfig" > > endif > diff --git a/arch/arm/mach-bcmbca/Makefile b/arch/arm/mach-bcmbca/Makefile > index e5df60e7648b..20f827512005 100644 > --- a/arch/arm/mach-bcmbca/Makefile > +++ b/arch/arm/mach-bcmbca/Makefile > @@ -14,4 +14,5 @@ obj-$(CONFIG_BCM63178) += bcm63178/ > obj-$(CONFIG_BCM6756) += bcm6756/ > obj-$(CONFIG_BCM6813) += bcm6813/ > obj-$(CONFIG_BCM6846) += bcm6846/ > +obj-$(CONFIG_BCM6856) += bcm6856/ > obj-$(CONFIG_BCM6878) += bcm6878/ > diff --git a/arch/arm/mach-bcmbca/bcm6856/Kconfig b/arch/arm/mach-bcmbca/bcm6856/Kconfig > new file mode 100644 > index 000000000000..6ac75cb84095 > --- /dev/null > +++ b/arch/arm/mach-bcmbca/bcm6856/Kconfig > @@ -0,0 +1,17 @@ > +# SPDX-License-Identifier: GPL-2.0+ > +# > +# (C) Copyright 2022 Broadcom Ltd > +# > + > +if BCM6856 > + > +config TARGET_BCM96856 > + bool "Broadcom 6856 Reference Board" > + depends on ARCH_BCMBCA > + > +config SYS_SOC > + default "bcm6856" > + > +source "board/broadcom/bcmbca/Kconfig" > + > +endif > diff --git a/arch/arm/mach-bcmbca/bcm6856/Makefile b/arch/arm/mach-bcmbca/bcm6856/Makefile > new file mode 100644 > index 000000000000..62624977034b > --- /dev/null > +++ b/arch/arm/mach-bcmbca/bcm6856/Makefile > @@ -0,0 +1,5 @@ > +# SPDX-License-Identifier: GPL-2.0+ > +# > +# (C) Copyright 2022 Broadcom Ltd > +# > +obj-y += mmu_table.o > diff --git a/arch/arm/mach-bcmbca/bcm6856/mmu_table.c b/arch/arm/mach-bcmbca/bcm6856/mmu_table.c > new file mode 100644 > index 000000000000..8e53b4929eb8 > --- /dev/null > +++ b/arch/arm/mach-bcmbca/bcm6856/mmu_table.c > @@ -0,0 +1,32 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Copyright 2022 Broadcom Ltd. > + */ > +#include <common.h> > +#include <asm/armv8/mmu.h> > +#include <linux/sizes.h> > + > +static struct mm_region bcm96856_mem_map[] = { > + { > + .virt = 0x00000000UL, > + .phys = 0x00000000UL, > + .size = 1UL * SZ_1G, > + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | > + PTE_BLOCK_INNER_SHARE > + }, > + { > + /* SoC peripheral */ > + .virt = 0xff800000UL, > + .phys = 0xff800000UL, > + .size = 0x100000, > + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | > + PTE_BLOCK_NON_SHARE | > + PTE_BLOCK_PXN | PTE_BLOCK_UXN > + }, > + { > + /* List terminator */ > + 0, > + } > +}; > + > +struct mm_region *mem_map = bcm96856_mem_map; > diff --git a/board/broadcom/bcmbca/Kconfig b/board/broadcom/bcmbca/Kconfig > index 13815fd7975f..efe504919a0f 100644 > --- a/board/broadcom/bcmbca/Kconfig > +++ b/board/broadcom/bcmbca/Kconfig > @@ -86,6 +86,13 @@ config SYS_CONFIG_NAME > > endif > > +if TARGET_BCM96856 > + > +config SYS_CONFIG_NAME > + default "bcm96856" > + > +endif > + > if TARGET_BCM96878 > > config SYS_CONFIG_NAME > diff --git a/configs/bcm96856_defconfig b/configs/bcm96856_defconfig > new file mode 100644 > index 000000000000..7e1c09769f70 > --- /dev/null > +++ b/configs/bcm96856_defconfig > @@ -0,0 +1,23 @@ > +CONFIG_ARM=y > +CONFIG_COUNTER_FREQUENCY=50000000 > +CONFIG_ARCH_BCMBCA=y > +CONFIG_SYS_TEXT_BASE=0x01000000 > +CONFIG_SYS_MALLOC_LEN=0x2000000 > +CONFIG_SYS_MALLOC_F_LEN=0x8000 > +CONFIG_BCM6856=y > +CONFIG_TARGET_BCM96856=y > +CONFIG_NR_DRAM_BANKS=2 > +CONFIG_DEFAULT_DEVICE_TREE="bcm96856" > +CONFIG_IDENT_STRING=" Broadcom BCM6856" > +CONFIG_SYS_LOAD_ADDR=0x01000000 > +CONFIG_ENV_VARS_UBOOT_CONFIG=y > +CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y > +CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x2000000 > +CONFIG_OF_STDOUT_VIA_ALIAS=y > +CONFIG_DISPLAY_BOARDINFO_LATE=y > +CONFIG_HUSH_PARSER=y > +CONFIG_SYS_MAXARGS=64 > +CONFIG_SYS_BOOTM_LEN=0x4000000 > +CONFIG_CMD_CACHE=y > +CONFIG_OF_EMBED=y > +CONFIG_CLK=y > diff --git a/include/configs/bcm96856.h b/include/configs/bcm96856.h > new file mode 100644 > index 000000000000..a7ae71eeaafe > --- /dev/null > +++ b/include/configs/bcm96856.h > @@ -0,0 +1,11 @@ > +/* SPDX-License-Identifier: GPL-2.0+ */ > +/* > + * (C) Copyright 2022 Broadcom Ltd. > + */ > + > +#ifndef __BCM96856_H > +#define __BCM96856_H > + > +#define CONFIG_SYS_SDRAM_BASE 0x00000000 > + > +#endif
diff --git a/MAINTAINERS b/MAINTAINERS index d0a5b2352cc8..1f50dad583ce 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -230,6 +230,7 @@ N: bcm[9]?63178 N: bcm[9]?6756 N: bcm[9]?6813 N: bcm[9]?6846 +N: bcm[9]?6856 N: bcm[9]?6878 ARM BROADCOM BCMSTB diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index c55bc3569662..a32bdf8c9f17 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -1182,6 +1182,8 @@ dtb-$(CONFIG_BCM6813) += \ bcm96813.dtb dtb-$(CONFIG_BCM6846) += \ bcm96846.dtb +dtb-$(CONFIG_BCM6856) += \ + bcm96856.dtb dtb-$(CONFIG_BCM6878) += \ bcm96878.dtb diff --git a/arch/arm/dts/bcm6856.dtsi b/arch/arm/dts/bcm6856.dtsi new file mode 100644 index 000000000000..0bce6497219f --- /dev/null +++ b/arch/arm/dts/bcm6856.dtsi @@ -0,0 +1,103 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2022 Broadcom Ltd. + */ + +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + compatible = "brcm,bcm6856", "brcm,bcmbca"; + #address-cells = <2>; + #size-cells = <2>; + + interrupt-parent = <&gic>; + + cpus { + #address-cells = <2>; + #size-cells = <0>; + + B53_0: cpu@0 { + compatible = "brcm,brahma-b53"; + device_type = "cpu"; + reg = <0x0 0x0>; + next-level-cache = <&L2_0>; + enable-method = "psci"; + }; + + B53_1: cpu@1 { + compatible = "brcm,brahma-b53"; + device_type = "cpu"; + reg = <0x0 0x1>; + next-level-cache = <&L2_0>; + enable-method = "psci"; + }; + + L2_0: l2-cache0 { + compatible = "cache"; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>; + }; + + pmu: pmu { + compatible = "arm,cortex-a53-pmu"; + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>; + interrupt-affinity = <&B53_0>, <&B53_1>; + }; + + clocks: clocks { + periph_clk:periph-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <200000000>; + }; + }; + + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + + axi@81000000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x81000000 0x8000>; + + gic: interrupt-controller@1000 { + compatible = "arm,gic-400"; + #interrupt-cells = <3>; + interrupt-controller; + reg = <0x1000 0x1000>, /* GICD */ + <0x2000 0x2000>, /* GICC */ + <0x4000 0x2000>, /* GICH */ + <0x6000 0x2000>; /* GICV */ + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | + IRQ_TYPE_LEVEL_HIGH)>; + }; + }; + + bus@ff800000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0xff800000 0x800000>; + + uart0: serial@640 { + compatible = "brcm,bcm6345-uart"; + reg = <0x640 0x18>; + interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&periph_clk>; + clock-names = "refclk"; + status = "disabled"; + }; + }; +}; diff --git a/arch/arm/dts/bcm96856.dts b/arch/arm/dts/bcm96856.dts new file mode 100644 index 000000000000..032aeb75c983 --- /dev/null +++ b/arch/arm/dts/bcm96856.dts @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2022 Broadcom Ltd. + */ + +/dts-v1/; + +#include "bcm6856.dtsi" + +/ { + model = "Broadcom BCM96856 Reference Board"; + compatible = "brcm,bcm96856", "brcm,bcm6856", "brcm,bcmbca"; + + aliases { + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@0 { + device_type = "memory"; + reg = <0x0 0x0 0x0 0x08000000>; + }; +}; + +&uart0 { + status = "okay"; +}; diff --git a/arch/arm/mach-bcmbca/Kconfig b/arch/arm/mach-bcmbca/Kconfig index d78618820b58..5dd566a98d32 100644 --- a/arch/arm/mach-bcmbca/Kconfig +++ b/arch/arm/mach-bcmbca/Kconfig @@ -83,6 +83,13 @@ config BCM6846 select DM_SERIAL select BCM6345_SERIAL +config BCM6856 + bool "Support for Broadcom 6856 Family" + select ARM64 + select SYS_ARCH_TIMER + select DM_SERIAL + select BCM6345_SERIAL + config BCM6878 bool "Support for Broadcom 6878 Family" select SYS_ARCH_TIMER @@ -101,6 +108,7 @@ source "arch/arm/mach-bcmbca/bcm63178/Kconfig" source "arch/arm/mach-bcmbca/bcm6756/Kconfig" source "arch/arm/mach-bcmbca/bcm6813/Kconfig" source "arch/arm/mach-bcmbca/bcm6846/Kconfig" +source "arch/arm/mach-bcmbca/bcm6856/Kconfig" source "arch/arm/mach-bcmbca/bcm6878/Kconfig" endif diff --git a/arch/arm/mach-bcmbca/Makefile b/arch/arm/mach-bcmbca/Makefile index e5df60e7648b..20f827512005 100644 --- a/arch/arm/mach-bcmbca/Makefile +++ b/arch/arm/mach-bcmbca/Makefile @@ -14,4 +14,5 @@ obj-$(CONFIG_BCM63178) += bcm63178/ obj-$(CONFIG_BCM6756) += bcm6756/ obj-$(CONFIG_BCM6813) += bcm6813/ obj-$(CONFIG_BCM6846) += bcm6846/ +obj-$(CONFIG_BCM6856) += bcm6856/ obj-$(CONFIG_BCM6878) += bcm6878/ diff --git a/arch/arm/mach-bcmbca/bcm6856/Kconfig b/arch/arm/mach-bcmbca/bcm6856/Kconfig new file mode 100644 index 000000000000..6ac75cb84095 --- /dev/null +++ b/arch/arm/mach-bcmbca/bcm6856/Kconfig @@ -0,0 +1,17 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# (C) Copyright 2022 Broadcom Ltd +# + +if BCM6856 + +config TARGET_BCM96856 + bool "Broadcom 6856 Reference Board" + depends on ARCH_BCMBCA + +config SYS_SOC + default "bcm6856" + +source "board/broadcom/bcmbca/Kconfig" + +endif diff --git a/arch/arm/mach-bcmbca/bcm6856/Makefile b/arch/arm/mach-bcmbca/bcm6856/Makefile new file mode 100644 index 000000000000..62624977034b --- /dev/null +++ b/arch/arm/mach-bcmbca/bcm6856/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# (C) Copyright 2022 Broadcom Ltd +# +obj-y += mmu_table.o diff --git a/arch/arm/mach-bcmbca/bcm6856/mmu_table.c b/arch/arm/mach-bcmbca/bcm6856/mmu_table.c new file mode 100644 index 000000000000..8e53b4929eb8 --- /dev/null +++ b/arch/arm/mach-bcmbca/bcm6856/mmu_table.c @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2022 Broadcom Ltd. + */ +#include <common.h> +#include <asm/armv8/mmu.h> +#include <linux/sizes.h> + +static struct mm_region bcm96856_mem_map[] = { + { + .virt = 0x00000000UL, + .phys = 0x00000000UL, + .size = 1UL * SZ_1G, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, + { + /* SoC peripheral */ + .virt = 0xff800000UL, + .phys = 0xff800000UL, + .size = 0x100000, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, + { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = bcm96856_mem_map; diff --git a/board/broadcom/bcmbca/Kconfig b/board/broadcom/bcmbca/Kconfig index 13815fd7975f..efe504919a0f 100644 --- a/board/broadcom/bcmbca/Kconfig +++ b/board/broadcom/bcmbca/Kconfig @@ -86,6 +86,13 @@ config SYS_CONFIG_NAME endif +if TARGET_BCM96856 + +config SYS_CONFIG_NAME + default "bcm96856" + +endif + if TARGET_BCM96878 config SYS_CONFIG_NAME diff --git a/configs/bcm96856_defconfig b/configs/bcm96856_defconfig new file mode 100644 index 000000000000..7e1c09769f70 --- /dev/null +++ b/configs/bcm96856_defconfig @@ -0,0 +1,23 @@ +CONFIG_ARM=y +CONFIG_COUNTER_FREQUENCY=50000000 +CONFIG_ARCH_BCMBCA=y +CONFIG_SYS_TEXT_BASE=0x01000000 +CONFIG_SYS_MALLOC_LEN=0x2000000 +CONFIG_SYS_MALLOC_F_LEN=0x8000 +CONFIG_BCM6856=y +CONFIG_TARGET_BCM96856=y +CONFIG_NR_DRAM_BANKS=2 +CONFIG_DEFAULT_DEVICE_TREE="bcm96856" +CONFIG_IDENT_STRING=" Broadcom BCM6856" +CONFIG_SYS_LOAD_ADDR=0x01000000 +CONFIG_ENV_VARS_UBOOT_CONFIG=y +CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y +CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x2000000 +CONFIG_OF_STDOUT_VIA_ALIAS=y +CONFIG_DISPLAY_BOARDINFO_LATE=y +CONFIG_HUSH_PARSER=y +CONFIG_SYS_MAXARGS=64 +CONFIG_SYS_BOOTM_LEN=0x4000000 +CONFIG_CMD_CACHE=y +CONFIG_OF_EMBED=y +CONFIG_CLK=y diff --git a/include/configs/bcm96856.h b/include/configs/bcm96856.h new file mode 100644 index 000000000000..a7ae71eeaafe --- /dev/null +++ b/include/configs/bcm96856.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2022 Broadcom Ltd. + */ + +#ifndef __BCM96856_H +#define __BCM96856_H + +#define CONFIG_SYS_SDRAM_BASE 0x00000000 + +#endif
BCM6856 is a Broadcom B53 based PON Gateway SoC. It is part of the BCA (Broadband Carrier Access origin) chipset family. Like other Broadband SoC, this patch adds it under CONFIG_BCM6856 chip config and CONFIG_ARCH_BCMBCA platform config. This initial support includes a bare-bone implementation and dts with CPU subsystem, memory and Broadcom uart. This SoC is supported in the linux-next git repository so the dts and dtsi files are copied from linux. The u-boot image can be loaded from flash or network to the entry point address in the memory and boot from there to the console. Signed-off-by: William Zhang <william.zhang@broadcom.com> --- (no changes since v1) MAINTAINERS | 1 + arch/arm/dts/Makefile | 2 + arch/arm/dts/bcm6856.dtsi | 103 +++++++++++++++++++++++ arch/arm/dts/bcm96856.dts | 30 +++++++ arch/arm/mach-bcmbca/Kconfig | 8 ++ arch/arm/mach-bcmbca/Makefile | 1 + arch/arm/mach-bcmbca/bcm6856/Kconfig | 17 ++++ arch/arm/mach-bcmbca/bcm6856/Makefile | 5 ++ arch/arm/mach-bcmbca/bcm6856/mmu_table.c | 32 +++++++ board/broadcom/bcmbca/Kconfig | 7 ++ configs/bcm96856_defconfig | 23 +++++ include/configs/bcm96856.h | 11 +++ 12 files changed, 240 insertions(+) create mode 100644 arch/arm/dts/bcm6856.dtsi create mode 100644 arch/arm/dts/bcm96856.dts create mode 100644 arch/arm/mach-bcmbca/bcm6856/Kconfig create mode 100644 arch/arm/mach-bcmbca/bcm6856/Makefile create mode 100644 arch/arm/mach-bcmbca/bcm6856/mmu_table.c create mode 100644 configs/bcm96856_defconfig create mode 100644 include/configs/bcm96856.h