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/openbmc/linux/Documentation/devicetree/bindings/mfd/
H A Daspeed-lpc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/mfd/aspeed-lpc.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Aspeed Low Pin Count (LPC) Bus Controller
11 - Andrew Jeffery <andrew@aj.id.au>
12 - Chia-Wei Wang <chiawei_wang@aspeedtech.com>
15 The LPC bus is a means to bridge a host CPU to a number of low-bandwidth
17 primary use case of the Aspeed LPC controller is as a slave on the bus
21 The LPC controller is represented as a multi-function device to account for the
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/openbmc/phosphor-mboxd/
H A Dconfigure.ac5 AM_INIT_AUTOMAKE([subdir-objects -Wall foreign dist-xz])
17 AC_CHECK_HEADER(linux/aspeed-lpc-ctrl.h,[HAVE_UAPI_LINUX_LPC_CTRL_H=""],[HAVE_UAPI_LINUX_LPC_CTRL_H…
19 …-lpc-ctrl.h: Attempting to download locally for building from https://git.kernel.org/pub/scm/linux…
20 …-f linux/aspeed-lpc-ctrl.h && mkdir -p linux && wget --quiet https://git.kernel.org/pub/scm/linux/…
25 AX_APPEND_COMPILE_FLAGS([-fpic -Wall], [CFLAGS])
26 AX_APPEND_COMPILE_FLAGS([-fpic -Wall], [CXXFLAGS])
31 PKG_CHECK_MODULES([PHOSPHOR_LOGGING], [phosphor-logging],,\
32 AC_MSG_ERROR(["Requires phosphor-logging package."]))
34 AX_PKG_CHECK_MODULES([PHOSPHOR_DBUS_INTERFACES], [],[phosphor-dbus-interfaces],\
35 [], [AC_MSG_ERROR(["phosphor-dbus-interfaces required and not found."])])
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H A Dmboxd_lpc.c1 // SPDX-License-Identifier: Apache-2.0
31 #include <linux/aspeed-lpc-ctrl.h>
33 #define LPC_CTRL_PATH "/dev/aspeed-lpc-ctrl"
47 /* Open LPC Device */ in __init_lpc_dev()
53 return -errno; in __init_lpc_dev()
56 context->fds[LPC_CTRL_FD].fd = fd; in __init_lpc_dev()
61 MSG_ERR("Couldn't get lpc control buffer size: %s\n", in __init_lpc_dev()
63 return -errno; in __init_lpc_dev()
66 context->mem_size = map.size; in __init_lpc_dev()
67 /* Map at the top of the 28-bit LPC firmware address space-0 */ in __init_lpc_dev()
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/openbmc/hiomapd/
H A Dconfigure.ac5 AM_INIT_AUTOMAKE([subdir-objects -Wall -Wno-portability foreign dist-xz])
17 AC_CHECK_HEADER(linux/aspeed-lpc-ctrl.h,[HAVE_UAPI_LINUX_LPC_CTRL_H=""],[HAVE_UAPI_LINUX_LPC_CTRL_H…
19 …-lpc-ctrl.h: Attempting to download locally for building from https://git.kernel.org/pub/scm/linux…
20 …-f linux/aspeed-lpc-ctrl.h && mkdir -p linux && wget --quiet https://git.kernel.org/pub/scm/linux/…
25 AX_APPEND_COMPILE_FLAGS([-fpic -Wall], [CFLAGS])
26 AX_APPEND_COMPILE_FLAGS([-fpic -Wall], [CXXFLAGS])
29 LT_INIT # Removes 'unrecognized options: --with-libtool-sysroot'
31 AC_ARG_ENABLE([oe-sdk],
32 …AS_HELP_STRING([--enable-oe-sdk], [Link testcases absolutely against OE SDK so they can be ran wit…
38 AC_MSG_ERROR([OECORE_TARGET_SYSROOT must be set with --enable-oe-sdk])
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H A Dlpc.c1 // SPDX-License-Identifier: Apache-2.0
29 #include "lpc.h"
31 #include <linux/aspeed-lpc-ctrl.h>
33 #define LPC_CTRL_PATH "/dev/aspeed-lpc-ctrl"
47 /* Open LPC Device */ in __lpc_dev_init()
53 return -errno; in __lpc_dev_init()
56 context->fds[LPC_CTRL_FD].fd = fd; in __lpc_dev_init()
61 MSG_ERR("Couldn't get lpc control buffer size: %s\n", in __lpc_dev_init()
63 return -errno; in __lpc_dev_init()
66 context->mem_size = map.size; in __lpc_dev_init()
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/openbmc/linux/drivers/soc/aspeed/
H A Daspeed-lpc-ctrl.c1 // SPDX-License-Identifier: GPL-2.0-or-later
17 #include <linux/aspeed-lpc-ctrl.h>
19 #define DEVICE_NAME "aspeed-lpc-ctrl"
45 return container_of(file->private_data, struct aspeed_lpc_ctrl, in file_aspeed_lpc_ctrl()
52 unsigned long vsize = vma->vm_end - vma->vm_start; in aspeed_lpc_ctrl_mmap()
53 pgprot_t prot = vma->vm_page_prot; in aspeed_lpc_ctrl_mmap()
55 if (vma->vm_pgoff + vma_pages(vma) > lpc_ctrl->mem_size >> PAGE_SHIFT) in aspeed_lpc_ctrl_mmap()
56 return -EINVAL; in aspeed_lpc_ctrl_mmap()
61 if (remap_pfn_range(vma, vma->vm_start, in aspeed_lpc_ctrl_mmap()
62 (lpc_ctrl->mem_base >> PAGE_SHIFT) + vma->vm_pgoff, in aspeed_lpc_ctrl_mmap()
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H A DMakefile1 # SPDX-License-Identifier: GPL-2.0-only
2 obj-$(CONFIG_ASPEED_LPC_CTRL) += aspeed-lpc-ctrl.o
3 obj-$(CONFIG_ASPEED_LPC_SNOOP) += aspeed-lpc-snoop.o
4 obj-$(CONFIG_ASPEED_UART_ROUTING) += aspeed-uart-routing.o
5 obj-$(CONFIG_ASPEED_P2A_CTRL) += aspeed-p2a-ctrl.o
6 obj-$(CONFIG_ASPEED_SOCINFO) += aspeed-socinfo.o
7 obj-$(CONFIG_ASPEED_SBC) += aspeed-sbc.o
8 obj-$(CONFIG_ASPEED_XDMA) += aspeed-xdma.o
/openbmc/libmctp/docs/bindings/
H A Dvendor-ibm-astlpc.md1 # Management Component Transport Protocol (MCTP) LPC Transport Binding Specification for ASPEED BMC…
6 host and BMC over the LPC bus on ASPEED BMC platforms.
17 2. Intel (R) Low Pin Count (LPC) Interface Specification 1.1,
18 …<https://www.intel.com/content/dam/www/program/design/us/en/documents/low-pin-count-interface-spec…
29 MCTP-compliant endpoints must accept.
33 A hardware-defined flag bit in a KCS device's Status Register (STR). The IBF
42 ### KCS: Keyboard-Controller-Style
48 systems. This interface is available built-in to several commercially available
49 microcontrollers. Data is transferred across the KCS interface using a per-byte
52 ### LPC Bus: Low Pin Count Bus
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/openbmc/phosphor-ipmi-flash/bmc/firmware-handler/
H A Dlpc_aspeed.cpp8 * http://www.apache.org/licenses/LICENSE-2.0
23 #include <linux/aspeed-lpc-ctrl.h>
36 const std::string LpcMapperAspeed::lpcControlPath = "/dev/aspeed-lpc-ctrl";
51 sys->munmap(mappedRegion, regionSize); in close()
55 if (mappedFd != -1) in close()
57 sys->close(mappedFd); in close()
58 mappedFd = -1; in close()
78 result.windowSize = regionSize - offset; in mapWindow()
92 "requesting Aspeed LPC window at %#" PRIx32 " of size %" PRIu32 in mapWindow()
96 const auto lpcControlFd = sys->open(lpcControlPath.c_str(), O_RDWR); in mapWindow()
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H A Dlpc_handler.cpp8 * http://www.apache.org/licenses/LICENSE-2.0
36 memory = mapper->open(); in setInitializedAndReturn()
51 /* For the ASPEED LPC CTRL driver, the ioctl is required to set up the in open()
59 mapper->close(); in close()
66 /* TODO: implement this -- in an earlier and different version of this that in copyFrom()
67 * didn't use BLOBs, the region was memory-mapped and the writes to the data in copyFrom()
68 * were just done directly from the memory-mapped region instead of a in copyFrom()
70 * able to get a memory-mapped handle from the driver from which to in copyFrom()
101 mappingResult = mapper->mapWindow(lpcRegion.address, lpcRegion.length); in writeMeta()
/openbmc/openbmc/meta-phosphor/recipes-phosphor/mboxd/
H A Dmboxd_git.bb3 LICENSE = "Apache-2.0"
5 DEPENDS += "autoconf-archive-native"
7 DEPENDS += "phosphor-logging"
10 # Enable virtual-pnor by DISTRO_FEATURE openpower-virtual-pnor.
11 PACKAGECONFIG:append:df-openpower-virtual-pnor = " virtual-pnor"
12 PACKAGECONFIG[virtual-pnor] = "--enable-virtual-pnor,--disable-virtual-pnor"
17 SRC_URI += "file://99-aspeed-lpc-ctrl.rules"
23 SYSTEMD_SERVICE:${PN} += "mboxd-reload@.service"
28 inherit obmc-phosphor-systemd
31 install -d ${D}/${nonarch_base_libdir}/udev/rules.d
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/openbmc/linux/arch/powerpc/include/asm/
H A Dmpc5121.h1 /* SPDX-License-Identifier: GPL-2.0-only */
47 * LPC Module
67 u32 ctrl; /* SCLPC Control Register */ member
75 u32 data_word; /* LPC RX/TX FIFO Data Word Register */
76 u32 fifo_status; /* LPC RX/TX FIFO Status Register */
77 u32 fifo_ctrl; /* LPC RX/TX FIFO Control Register */
78 u32 fifo_alarm; /* LPC RX/TX FIFO Alarm Register */
/openbmc/phosphor-mboxd/test/
H A Dsystem.c1 // SPDX-License-Identifier: Apache-2.0
5 #include <mtd/mtd-user.h>
12 #include "linux/aspeed-lpc-ctrl.h"
14 static struct aspeed_lpc_ctrl_mapping ctrl = { variable
24 ctrl.size = size; in system_set_reserved_size()
58 if (info->start + info->length > mtd.size) in ioctl()
59 return -1; in ioctl()
63 return -1; in ioctl()
65 memset(&map[info->start], 0xff, info->length); in ioctl()
77 info->size = ctrl.size; in ioctl()
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H A Dmbox.c1 // SPDX-License-Identifier: Apache-2.0
36 delta = len - i; in dump_buf()
69 fd = context->fds[MBOX_FD].fd; in mbox_cmp()
96 fd = context->fds[MBOX_FD].fd; in mbox_rspcpy()
115 fd = context->fds[MBOX_FD].fd; in mbox_command_write()
118 return -1; in mbox_command_write()
125 remaining -= rc; in mbox_command_write()
130 return -1; in mbox_command_write()
148 return -rc; in mbox_command_dispatch()
151 * The aspeed-lpc-ctrl driver implements mailbox register access in mbox_command_dispatch()
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/openbmc/hiomapd/test/
H A Dsystem.c1 // SPDX-License-Identifier: Apache-2.0
5 #include <mtd/mtd-user.h>
12 #include "linux/aspeed-lpc-ctrl.h"
14 static struct aspeed_lpc_ctrl_mapping ctrl = { .size = 0 }; variable
23 ctrl.size = size; in system_set_reserved_size()
57 if (info->start + info->length > mtd.size) in ioctl()
58 return -1; in ioctl()
62 return -1; in ioctl()
64 memset(&map[info->start], 0xff, info->length); in ioctl()
76 info->size = ctrl.size; in ioctl()
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H A Dmbox.c1 // SPDX-License-Identifier: Apache-2.0
20 #include "lpc.h"
38 delta = len - i; in dump_buf()
71 fd = context->fds[MBOX_FD].fd; in mbox_cmp()
100 fd = context->fds[MBOX_FD].fd; in mbox_rspcpy()
119 fd = context->fds[MBOX_FD].fd; in mbox_command_write()
122 return -1; in mbox_command_write()
129 remaining -= rc; in mbox_command_write()
134 return -1; in mbox_command_write()
152 return -rc; in mbox_command_dispatch()
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/openbmc/openbmc/meta-phosphor/recipes-phosphor/mboxd/files/
H A D99-aspeed-lpc-ctrl.rules1 SUBSYSTEM=="misc", KERNEL=="aspeed-lpc-ctrl", TAG+="systemd"
/openbmc/phosphor-ipmi-flash/
H A DREADME.md7 [here](https://github.com/openbmc/docs/blob/master/designs/firmware-update-via-blobs.md).
9 ## Building and using the host-tool
11 This repo contains a host-tool implementation for talking to the corresponding
14 ### Building the host-tool
16 The host-tool depends on ipmi-blob-tool and pciutils.
21 [xorg-macros source](https://gitlab.freedesktop.org/xorg/util/macros).
26 ./autogen.sh --prefix=/usr
41 #### Building ipmi-blob-tool
44 [ipmi-blob-tool source](https://github.com/openbmc/ipmi-blob-tool).
62 meson setup -Dexamples=false -Dtests=disabled builddir
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/openbmc/u-boot/arch/arm/dts/
H A Dast2400.dtsi3 * https://raw.githubusercontent.com/torvalds/linux/34ea5c9d/arch/arm/boot/dts/aspeed-g4.dtsi
10 #address-cells = <1>;
11 #size-cells = <1>;
12 interrupt-parent = <&vic>;
38 #address-cells = <1>;
39 #size-cells = <0>;
42 compatible = "arm,arm926ej-s";
54 compatible = "simple-bus";
55 #address-cells = <1>;
56 #size-cells = <1>;
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H A Dast2500.dtsi3 * https://raw.githubusercontent.com/torvalds/linux/34ea5c9d/arch/arm/boot/dts/aspeed-g5.dtsi
10 #address-cells = <1>;
11 #size-cells = <1>;
12 interrupt-parent = <&vic>;
38 #address-cells = <1>;
39 #size-cells = <0>;
42 compatible = "arm,arm1176jzf-s";
54 compatible = "simple-bus";
55 #address-cells = <1>;
56 #size-cells = <1>;
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/openbmc/linux/arch/arm/boot/dts/aspeed/
H A Daspeed-g4.dtsi1 // SPDX-License-Identifier: GPL-2.0+
2 #include <dt-bindings/clock/aspeed-clock.h>
7 #address-cells = <1>;
8 #size-cells = <1>;
9 interrupt-parent = <&vic>;
35 #address-cells = <1>;
36 #size-cells = <0>;
39 compatible = "arm,arm926ej-s";
51 compatible = "simple-bus";
52 #address-cells = <1>;
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H A Daspeed-g5.dtsi1 // SPDX-License-Identifier: GPL-2.0+
2 #include <dt-bindings/clock/aspeed-clock.h>
3 #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
8 #address-cells = <1>;
9 #size-cells = <1>;
10 interrupt-parent = <&vic>;
36 #address-cells = <1>;
37 #size-cells = <0>;
40 compatible = "arm,arm1176jzf-s";
52 compatible = "simple-bus";
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/openbmc/linux/drivers/hwmon/
H A Dit87.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * it87.c - Part of lm_sensors, Linux kernel modules for hardware
6 * The IT8705F is an LPC-based Super I/O part that contains UARTs, a
14 * Supports: IT8603E Super I/O chip w/LPC interface
15 * IT8620E Super I/O chip w/LPC interface
16 * IT8622E Super I/O chip w/LPC interface
17 * IT8623E Super I/O chip w/LPC interface
18 * IT8628E Super I/O chip w/LPC interface
19 * IT8705F Super I/O chip w/LPC interface
20 * IT8712F Super I/O chip w/LPC interface
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/openbmc/linux/drivers/watchdog/
H A Dit87_wdt.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * for ITE IT87xx Environment Control - Low Pin Count Input / Output
12 * Data-sheets: Publicly available at the ITE website
120 return -EBUSY; in superio_enter()
204 t -= t % 60; in wdt_round_time()
212 return wdt_update_timeout(wdd->timeout); in wdt_start()
221 * wdt_set_timeout - set a new timeout value with watchdog ioctl
237 wdd->timeout = t; in wdt_set_timeout()
283 u8 ctrl; in it87_wdt_init() local
297 quirks = (long)dmi_id->driver_data; in it87_wdt_init()
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/openbmc/linux/drivers/pinctrl/
H A Dpinctrl-gemini.c6 * This is a group-only pin controller.
19 #include <linux/pinctrl/pinconf-generic.h>
24 #include "pinctrl-utils.h"
26 #define DRIVER_NAME "pinctrl-gemini"
29 * struct gemini_pin_conf - information about configuring a pin
41 * struct gemini_pmx - state holder for the gemini pin controller
64 * struct gemini_pin_group - describes a Gemini pin group
67 * from the driver-local pin enumeration space
85 /* Some straight-forward control registers */
98 * - For the bits named *_ENABLE, once you DISABLE something, it simply cannot
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