Add support for Broadcom Northstar 3 SoC. NS3 is a octo-core 64-bit ARMv8 Cortex-A72 processors targeting a broad range of networking applications.
Signed-off-by: Rayagonda Kokatanur rayagonda.kokatanur@broadcom.com --- arch/arm/Kconfig | 10 ++++++ arch/arm/dts/Makefile | 2 ++ arch/arm/dts/ns3-board.dts | 24 +++++++++++++ arch/arm/dts/ns3.dtsi | 34 ++++++++++++++++++ board/broadcom/bcmns3/Kconfig | 15 ++++++++ board/broadcom/bcmns3/Makefile | 5 +++ board/broadcom/bcmns3/ns3.c | 64 ++++++++++++++++++++++++++++++++++ configs/bcm_ns3_defconfig | 20 +++++++++++ include/configs/bcm_ns3.h | 40 +++++++++++++++++++++ 9 files changed, 214 insertions(+) create mode 100644 arch/arm/dts/ns3-board.dts create mode 100644 arch/arm/dts/ns3.dtsi create mode 100644 board/broadcom/bcmns3/Kconfig create mode 100644 board/broadcom/bcmns3/Makefile create mode 100644 board/broadcom/bcmns3/ns3.c create mode 100644 configs/bcm_ns3_defconfig create mode 100644 include/configs/bcm_ns3.h
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 21df1c415f..79c8983902 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -728,6 +728,15 @@ config TARGET_BCMNS2 ARMv8 Cortex-A57 processors targeting a broad range of networking applications.
+config TARGET_BCMNS3 + bool "Support Broadcom NS3" + select ARM64 + select BOARD_LATE_INIT + help + Support for Broadcom Northstar 3 SoCs. NS3 is a octo-core 64-bit + ARMv8 Cortex-A72 processors targeting a broad range of networking + applications. + config ARCH_EXYNOS bool "Samsung EXYNOS" select DM @@ -1875,6 +1884,7 @@ source "board/broadcom/bcm968580xref/Kconfig" source "board/broadcom/bcmcygnus/Kconfig" source "board/broadcom/bcmnsp/Kconfig" source "board/broadcom/bcmns2/Kconfig" +source "board/broadcom/bcmns3/Kconfig" source "board/cavium/thunderx/Kconfig" source "board/cirrus/edb93xx/Kconfig" source "board/eets/pdu001/Kconfig" diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 9900b44274..6cf63b5d2b 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -907,6 +907,8 @@ dtb-$(CONFIG_ARCH_BCM68360) += \ dtb-$(CONFIG_ARCH_BCM6858) += \ bcm968580xref.dtb
+dtb-$(CONFIG_TARGET_BCMNS3) += ns3-board.dtb + dtb-$(CONFIG_ARCH_ASPEED) += ast2500-evb.dtb
dtb-$(CONFIG_ARCH_STI) += stih410-b2260.dtb diff --git a/arch/arm/dts/ns3-board.dts b/arch/arm/dts/ns3-board.dts new file mode 100644 index 0000000000..54e56879a5 --- /dev/null +++ b/arch/arm/dts/ns3-board.dts @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 Broadcom + */ + +/dts-v1/; + +#include "ns3.dtsi" + +/ { + model = "NS3 model"; + + aliases { + serial0 = &uart1; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&uart1 { + status = "okay"; +}; diff --git a/arch/arm/dts/ns3.dtsi b/arch/arm/dts/ns3.dtsi new file mode 100644 index 0000000000..09098aac3a --- /dev/null +++ b/arch/arm/dts/ns3.dtsi @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 Broadcom + */ + +#include "skeleton64.dtsi" + +/ { + compatible = "brcm,ns3"; + #address-cells = <2>; + #size-cells = <2>; + + memory { + device_type = "memory"; + reg = <0x0 0x80000000 0x0 0x80000000>, + <0x8 0x80000000 0x1 0x80000000>; + }; + + hsls { + compatible = "simple-bus"; + dma-ranges; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x68900000 0x17700000>; + + uart1: uart@110000 { + compatible = "snps,dw-apb-uart"; + reg = <0x00110000 0x1000>; + reg-shift = <2>; + clock-frequency = <25000000>; + status = "disabled"; + }; + }; +}; diff --git a/board/broadcom/bcmns3/Kconfig b/board/broadcom/bcmns3/Kconfig new file mode 100644 index 0000000000..8ce21f980d --- /dev/null +++ b/board/broadcom/bcmns3/Kconfig @@ -0,0 +1,15 @@ +if TARGET_BCMNS3 + +config SYS_BOARD + default "bcmns3" + +config SYS_VENDOR + default "broadcom" + +config SYS_SOC + default "bcmns3" + +config SYS_CONFIG_NAME + default "bcm_ns3" + +endif diff --git a/board/broadcom/bcmns3/Makefile b/board/broadcom/bcmns3/Makefile new file mode 100644 index 0000000000..3404260148 --- /dev/null +++ b/board/broadcom/bcmns3/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright 2020 Broadcom. + +obj-y := ns3.o diff --git a/board/broadcom/bcmns3/ns3.c b/board/broadcom/bcmns3/ns3.c new file mode 100644 index 0000000000..e38156723c --- /dev/null +++ b/board/broadcom/bcmns3/ns3.c @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2020 Broadcom. + * + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/system.h> +#include <asm/armv8/mmu.h> + +static struct mm_region ns3_mem_map[] = { + { + .virt = 0x0UL, + .phys = 0x0UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + .virt = 0x80000000UL, + .phys = 0x80000000UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = ns3_mem_map; + +DECLARE_GLOBAL_DATA_PTR; + +int board_init(void) +{ + return 0; +} + +int board_late_init(void) +{ + return 0; +} + +int dram_init(void) +{ + if (fdtdec_setup_mem_size_base() != 0) + return -EINVAL; + + return 0; +} + +int dram_init_banksize(void) +{ + fdtdec_setup_memory_banksize(); + + return 0; +} + +void reset_cpu(ulong addr) +{ + psci_system_reset(); +} diff --git a/configs/bcm_ns3_defconfig b/configs/bcm_ns3_defconfig new file mode 100644 index 0000000000..a81541e394 --- /dev/null +++ b/configs/bcm_ns3_defconfig @@ -0,0 +1,20 @@ +CONFIG_ARM=y +CONFIG_TARGET_BCMNS3=y +CONFIG_SYS_TEXT_BASE=0xFF000000 +CONFIG_ENV_SIZE=0x80000 +CONFIG_NR_DRAM_BANKS=2 +CONFIG_LOGLEVEL=7 +CONFIG_SILENT_CONSOLE=y +CONFIG_SILENT_U_BOOT_ONLY=y +# CONFIG_SILENT_CONSOLE_UPDATE_ON_SET is not set +CONFIG_SUPPORT_RAW_INITRD=y +# CONFIG_DISPLAY_CPUINFO is not set +CONFIG_HUSH_PARSER=y +CONFIG_SYS_PROMPT="u-boot> " +CONFIG_SYS_XTRACE="n" +# CONFIG_CMD_SOURCE is not set +CONFIG_OF_CONTROL=y +CONFIG_DEFAULT_DEVICE_TREE="ns3-board" +CONFIG_DM=y +CONFIG_DM_SERIAL=y +CONFIG_SYS_NS16550=y diff --git a/include/configs/bcm_ns3.h b/include/configs/bcm_ns3.h new file mode 100644 index 0000000000..02a736456a --- /dev/null +++ b/include/configs/bcm_ns3.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2020 Broadcom. + * + */ + +#ifndef __BCM_NS3_H +#define __BCM_NS3_H + +#include <linux/sizes.h> + +#define CONFIG_HOSTNAME "NS3" + +/* Physical Memory Map */ +#define V2M_BASE 0x80000000 +#define PHYS_SDRAM_1 V2M_BASE + +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 +#define CONFIG_SYS_LOAD_ADDR (PHYS_SDRAM_1 + 0x80000) + +/* + * Initial SP before reloaction is placed at end of first DRAM bank, + * which is 0x1_0000_0000. + * Just before re-loaction, new SP is updated and re-location happens. + * So pointing the initial SP to end of 2GB DDR is not a problem + */ +#define CONFIG_SYS_INIT_SP_ADDR (PHYS_SDRAM_1 + 0x80000000) +/* 12MB Malloc size */ +#define CONFIG_SYS_MALLOC_LEN (SZ_8M + SZ_4M) + +/* console configuration */ +#define CONFIG_SYS_NS16550_CLK 25000000 + +#define CONFIG_SYS_CBSIZE SZ_1K +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ + sizeof(CONFIG_SYS_PROMPT) + 16) +#define CONFIG_SYS_MAXARGS 64 +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + +#endif /* __BCM_NS3_H */