drivers/ipmi/ocp: Add function to support OCP specific ipmi command
Add driver for OCP specific ipmi commands. With this driver, OCP specific ipmi command can be used after implementing functions here. TEST=Build with CB:42242 on Delta Lake, select Kconfig option: IPMI_OCP and add device in devicetree to open this function. Use ipmi-util in OpenBMC to dump raw data and check if this function work. Signed-off-by: Tim Chu <Tim.Chu@quantatw.com> Change-Id: I2efa85978ec4ad3d75f2bd93b4139ef8059127ed Reviewed-on: https://review.coreboot.org/c/coreboot/+/43996 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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config IPMI_OCP
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bool
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default n
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help
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This implements OCP specific IPMI command
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ramstage-$(CONFIG_IPMI_OCP) += ipmi_ocp.c
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Place in devicetree.cb:
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*
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* chip drivers/ipmi/ocp # OCP specific IPMI porting
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device pnp ca2.1 on end
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* end
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*/
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pnp.h>
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#include "chip.h"
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#include "drivers/ipmi/ipmi_kcs.h"
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#include "ipmi_ocp.h"
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static void ipmi_ocp_init(struct device *dev)
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{
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/* Add OCP specific IPMI command */
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}
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static void ipmi_ocp_final(struct device *dev)
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{
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/* Add OCP specific IPMI command */
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}
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static void ipmi_set_resources(struct device *dev)
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{
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struct resource *res;
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for (res = dev->resource_list; res; res = res->next) {
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if (!(res->flags & IORESOURCE_ASSIGNED))
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continue;
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res->flags |= IORESOURCE_STORED;
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report_resource_stored(dev, res, "");
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}
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}
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static void ipmi_read_resources(struct device *dev)
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{
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struct resource *res = new_resource(dev, 0);
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res->base = dev->path.pnp.port;
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res->size = 2;
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res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
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}
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static struct device_operations ops = {
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.read_resources = ipmi_read_resources,
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.set_resources = ipmi_set_resources,
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.init = ipmi_ocp_init,
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.final = ipmi_ocp_final,
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};
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static void enable_dev(struct device *dev)
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{
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if (dev->path.type != DEVICE_PATH_PNP)
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printk(BIOS_ERR, "%s: Unsupported device type\n",
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dev_path(dev));
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else if (dev->path.pnp.port & 1)
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printk(BIOS_ERR, "%s: Base address needs to be aligned to 2\n",
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dev_path(dev));
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else
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dev->ops = &ops;
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}
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struct chip_operations drivers_ipmi_ocp_ops = {
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CHIP_NAME("IPMI OCP")
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.enable_dev = enable_dev,
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};
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef __IPMI_OCP_H
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#define __IPMI_OCP_H
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#endif
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@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS
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select OCP_DMI
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select OCP_DMI
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select VPD
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select VPD
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select VPD_SMBIOS_VERSION
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select VPD_SMBIOS_VERSION
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select IPMI_OCP
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config POWER_STATE_DEFAULT_ON_AFTER_FAILURE
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config POWER_STATE_DEFAULT_ON_AFTER_FAILURE
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default n
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default n
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@ -85,6 +85,9 @@ chip soc/intel/xeon_sp/cpx
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register "bmc_i2c_address" = "0x20"
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register "bmc_i2c_address" = "0x20"
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register "bmc_boot_timeout" = "60"
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register "bmc_boot_timeout" = "60"
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end
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end
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chip drivers/ipmi/ocp # OCP specific IPMI porting
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device pnp ca2.1 on end
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end
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end # ISA bridge: Intel Device a245
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end # ISA bridge: Intel Device a245
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device pci 1f.1 on end # p2sb
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device pci 1f.1 on end # p2sb
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device pci 1f.2 on end # Memory controller: Intel Device a221
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device pci 1f.2 on end # Memory controller: Intel Device a221
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