From: nick.hawkins@hpe.com To: verdun@hpe.com, nick.hawkins@hpe.com, joel@jms.id.au, arnd@arndb.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Russell King <linux@armlinux.org.uk> Subject: [PATCH v8 1/8] ARM: hpe: Introduce the HPE GXP architecture Date: Mon, 16 May 2022 11:33:39 -0500 [thread overview] Message-ID: <20220516163347.44890-1-nick.hawkins@hpe.com> (raw) From: Nick Hawkins <nick.hawkins@hpe.com> The GXP is the HPE BMC SoC that is used in the majority of current generation HPE servers. Traditionally the asic will last multiple generations of server before being replaced. Info about SoC: HPE GXP is the name of the HPE Soc. This SoC is used to implement many BMC features at HPE. It supports ARMv7 architecture based on the Cortex A9 core. It is capable of using an AXI bus to whicha memory controller is attached. It has multiple SPI interfaces to connect boot flash and BIOS flash. It uses a 10/100/1000 MAC for network connectivity. It has multiple i2c engines to drive connectivity with a host infrastructure. There currently are no public specifications but this process is being worked. Previously there was a requirement to reset the EHCI controller for the asic to boot. This functionality has been moved to the u-boot bootloader. Signed-off-by: Nick Hawkins <nick.hawkins@hpe.com> --- v8: * No change v7: * No change v6: * Adjusted title to match log entries * Reconfigured commit message to be closer to 75 char. * Add space before comment delimiter. * Added a more elaborate Kconfig help section and fixed punctuation. * Fixed l2c_aux_map initialization. v5: * Fixed version log * Removed incorrect statement about reset. v4: * Removed unnecessary code: restart, iomap, init_machine * Reordered Kconfig depends * Removed SPARSE_IRQ, MULTI_IRQ_HANDLER, IRQ_DOMAIN, PINCTL from Kconfig v3: * Put into proper patchset format v2: * No change --- arch/arm/Kconfig | 2 ++ arch/arm/Makefile | 1 + arch/arm/mach-hpe/Kconfig | 23 +++++++++++++++++++++++ arch/arm/mach-hpe/Makefile | 1 + arch/arm/mach-hpe/gxp.c | 16 ++++++++++++++++ 5 files changed, 43 insertions(+) create mode 100644 arch/arm/mach-hpe/Kconfig create mode 100644 arch/arm/mach-hpe/Makefile create mode 100644 arch/arm/mach-hpe/gxp.c diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 2e8091e2d8a8..13f77eec7c40 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -620,6 +620,8 @@ source "arch/arm/mach-highbank/Kconfig" source "arch/arm/mach-hisi/Kconfig" +source "arch/arm/mach-hpe/Kconfig" + source "arch/arm/mach-imx/Kconfig" source "arch/arm/mach-integrator/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index a2391b8de5a5..97a89023c10f 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -179,6 +179,7 @@ machine-$(CONFIG_ARCH_FOOTBRIDGE) += footbridge machine-$(CONFIG_ARCH_GEMINI) += gemini machine-$(CONFIG_ARCH_HIGHBANK) += highbank machine-$(CONFIG_ARCH_HISI) += hisi +machine-$(CONFIG_ARCH_HPE) += hpe machine-$(CONFIG_ARCH_INTEGRATOR) += integrator machine-$(CONFIG_ARCH_IOP32X) += iop32x machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx diff --git a/arch/arm/mach-hpe/Kconfig b/arch/arm/mach-hpe/Kconfig new file mode 100644 index 000000000000..3372bbf38d38 --- /dev/null +++ b/arch/arm/mach-hpe/Kconfig @@ -0,0 +1,23 @@ +menuconfig ARCH_HPE + bool "HPE SoC support" + depends on ARCH_MULTI_V7 + help + This enables support for HPE ARM based BMC chips. +if ARCH_HPE + +config ARCH_HPE_GXP + bool "HPE GXP SoC" + depends on ARCH_MULTI_V7 + select ARM_VIC + select GENERIC_IRQ_CHIP + select CLKSRC_MMIO + help + HPE GXP is the name of the HPE Soc. This SoC is used to implement many + BMC features at HPE. It supports ARMv7 architecture based on the Cortex + A9 core. It is capable of using an AXI bus to which a memory controller + is attached. It has multiple SPI interfaces to connect boot flash and + BIOS flash. It uses a 10/100/1000 MAC for network connectivity. It + has multiple i2c engines to drive connectivity with a host + infrastructure. + +endif diff --git a/arch/arm/mach-hpe/Makefile b/arch/arm/mach-hpe/Makefile new file mode 100644 index 000000000000..8b0a91234df4 --- /dev/null +++ b/arch/arm/mach-hpe/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_ARCH_HPE_GXP) += gxp.o diff --git a/arch/arm/mach-hpe/gxp.c b/arch/arm/mach-hpe/gxp.c new file mode 100644 index 000000000000..ef3341373006 --- /dev/null +++ b/arch/arm/mach-hpe/gxp.c @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2022 Hewlett-Packard Enterprise Development Company, L.P. */ + +#include <linux/of_platform.h> +#include <asm/mach/arch.h> + +static const char * const gxp_board_dt_compat[] = { + "hpe,gxp", + NULL, +}; + +DT_MACHINE_START(GXP_DT, "HPE GXP") + .dt_compat = gxp_board_dt_compat, + .l2c_aux_val = 0, + .l2c_aux_mask = ~0, +MACHINE_END -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: nick.hawkins@hpe.com To: verdun@hpe.com, nick.hawkins@hpe.com, joel@jms.id.au, arnd@arndb.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Russell King <linux@armlinux.org.uk> Subject: [PATCH v8 1/8] ARM: hpe: Introduce the HPE GXP architecture Date: Mon, 16 May 2022 11:33:39 -0500 [thread overview] Message-ID: <20220516163347.44890-1-nick.hawkins@hpe.com> (raw) From: Nick Hawkins <nick.hawkins@hpe.com> The GXP is the HPE BMC SoC that is used in the majority of current generation HPE servers. Traditionally the asic will last multiple generations of server before being replaced. Info about SoC: HPE GXP is the name of the HPE Soc. This SoC is used to implement many BMC features at HPE. It supports ARMv7 architecture based on the Cortex A9 core. It is capable of using an AXI bus to whicha memory controller is attached. It has multiple SPI interfaces to connect boot flash and BIOS flash. It uses a 10/100/1000 MAC for network connectivity. It has multiple i2c engines to drive connectivity with a host infrastructure. There currently are no public specifications but this process is being worked. Previously there was a requirement to reset the EHCI controller for the asic to boot. This functionality has been moved to the u-boot bootloader. Signed-off-by: Nick Hawkins <nick.hawkins@hpe.com> --- v8: * No change v7: * No change v6: * Adjusted title to match log entries * Reconfigured commit message to be closer to 75 char. * Add space before comment delimiter. * Added a more elaborate Kconfig help section and fixed punctuation. * Fixed l2c_aux_map initialization. v5: * Fixed version log * Removed incorrect statement about reset. v4: * Removed unnecessary code: restart, iomap, init_machine * Reordered Kconfig depends * Removed SPARSE_IRQ, MULTI_IRQ_HANDLER, IRQ_DOMAIN, PINCTL from Kconfig v3: * Put into proper patchset format v2: * No change --- arch/arm/Kconfig | 2 ++ arch/arm/Makefile | 1 + arch/arm/mach-hpe/Kconfig | 23 +++++++++++++++++++++++ arch/arm/mach-hpe/Makefile | 1 + arch/arm/mach-hpe/gxp.c | 16 ++++++++++++++++ 5 files changed, 43 insertions(+) create mode 100644 arch/arm/mach-hpe/Kconfig create mode 100644 arch/arm/mach-hpe/Makefile create mode 100644 arch/arm/mach-hpe/gxp.c diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 2e8091e2d8a8..13f77eec7c40 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -620,6 +620,8 @@ source "arch/arm/mach-highbank/Kconfig" source "arch/arm/mach-hisi/Kconfig" +source "arch/arm/mach-hpe/Kconfig" + source "arch/arm/mach-imx/Kconfig" source "arch/arm/mach-integrator/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index a2391b8de5a5..97a89023c10f 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -179,6 +179,7 @@ machine-$(CONFIG_ARCH_FOOTBRIDGE) += footbridge machine-$(CONFIG_ARCH_GEMINI) += gemini machine-$(CONFIG_ARCH_HIGHBANK) += highbank machine-$(CONFIG_ARCH_HISI) += hisi +machine-$(CONFIG_ARCH_HPE) += hpe machine-$(CONFIG_ARCH_INTEGRATOR) += integrator machine-$(CONFIG_ARCH_IOP32X) += iop32x machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx diff --git a/arch/arm/mach-hpe/Kconfig b/arch/arm/mach-hpe/Kconfig new file mode 100644 index 000000000000..3372bbf38d38 --- /dev/null +++ b/arch/arm/mach-hpe/Kconfig @@ -0,0 +1,23 @@ +menuconfig ARCH_HPE + bool "HPE SoC support" + depends on ARCH_MULTI_V7 + help + This enables support for HPE ARM based BMC chips. +if ARCH_HPE + +config ARCH_HPE_GXP + bool "HPE GXP SoC" + depends on ARCH_MULTI_V7 + select ARM_VIC + select GENERIC_IRQ_CHIP + select CLKSRC_MMIO + help + HPE GXP is the name of the HPE Soc. This SoC is used to implement many + BMC features at HPE. It supports ARMv7 architecture based on the Cortex + A9 core. It is capable of using an AXI bus to which a memory controller + is attached. It has multiple SPI interfaces to connect boot flash and + BIOS flash. It uses a 10/100/1000 MAC for network connectivity. It + has multiple i2c engines to drive connectivity with a host + infrastructure. + +endif diff --git a/arch/arm/mach-hpe/Makefile b/arch/arm/mach-hpe/Makefile new file mode 100644 index 000000000000..8b0a91234df4 --- /dev/null +++ b/arch/arm/mach-hpe/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_ARCH_HPE_GXP) += gxp.o diff --git a/arch/arm/mach-hpe/gxp.c b/arch/arm/mach-hpe/gxp.c new file mode 100644 index 000000000000..ef3341373006 --- /dev/null +++ b/arch/arm/mach-hpe/gxp.c @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2022 Hewlett-Packard Enterprise Development Company, L.P. */ + +#include <linux/of_platform.h> +#include <asm/mach/arch.h> + +static const char * const gxp_board_dt_compat[] = { + "hpe,gxp", + NULL, +}; + +DT_MACHINE_START(GXP_DT, "HPE GXP") + .dt_compat = gxp_board_dt_compat, + .l2c_aux_val = 0, + .l2c_aux_mask = ~0, +MACHINE_END -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2022-05-16 16:32 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-16 16:33 nick.hawkins [this message] 2022-05-16 16:33 ` [PATCH v8 1/8] ARM: hpe: Introduce the HPE GXP architecture nick.hawkins 2022-05-16 16:33 ` [PATCH v8 2/8] ARM: configs: multi_v7_defconfig: Add HPE GXP ARCH nick.hawkins 2022-05-16 16:33 ` nick.hawkins 2022-05-16 16:33 ` [PATCH v8 3/8] watchdog: hpe-wdt: Introduce HPE GXP Watchdog nick.hawkins 2022-05-16 16:33 ` nick.hawkins 2022-05-16 21:28 ` Guenter Roeck 2022-05-16 21:28 ` Guenter Roeck 2022-05-16 16:33 ` [PATCH v8 4/8] clocksource/drivers/timer-gxp: Add HPE GXP Timer nick.hawkins 2022-05-16 16:33 ` nick.hawkins 2022-05-16 16:33 ` [PATCH v8 5/8] dt-bindings: timer: hpe,gxp-timer: Add HPE GXP Timer and Watchdog nick.hawkins 2022-05-16 16:33 ` [PATCH v8 5/8] dt-bindings: timer: hpe, gxp-timer: " nick.hawkins 2022-05-16 16:33 ` [PATCH v8 6/8] dt-bindings: arm: hpe: add GXP Support nick.hawkins 2022-05-16 16:33 ` nick.hawkins 2022-05-16 16:33 ` [PATCH v8 7/8] ARM: dts: Introduce HPE GXP Device tree nick.hawkins 2022-05-16 16:33 ` nick.hawkins 2022-05-16 16:33 ` [PATCH v8 8/8] MAINTAINERS: Introduce HPE GXP Architecture nick.hawkins 2022-05-16 16:33 ` nick.hawkins
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