| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Place in devicetree.cb: |
| * |
| * chip drivers/ipmi/ocp # OCP specific IPMI porting |
| device pnp ca2.1 on end |
| * end |
| */ |
| |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pnp.h> |
| #include <drivers/ipmi/ipmi_if.h> |
| #include <drivers/ocp/dmi/ocp_dmi.h> |
| #include <types.h> |
| |
| #include "ipmi_ocp.h" |
| |
| static enum cb_err ipmi_set_ppin(struct device *dev) |
| { |
| int ret; |
| struct ipmi_rsp rsp; |
| struct ppin_req req = {0}; |
| |
| req.cpu0_lo = xeon_sp_ppin[0].lo; |
| req.cpu0_hi = xeon_sp_ppin[0].hi; |
| if (CONFIG_MAX_SOCKET > 1) { |
| req.cpu1_lo = xeon_sp_ppin[1].lo; |
| req.cpu1_hi = xeon_sp_ppin[1].hi; |
| } |
| ret = ipmi_message(dev->path.pnp.port, IPMI_NETFN_OEM, 0x0, IPMI_OEM_SET_PPIN, |
| (const unsigned char *)&req, sizeof(req), |
| (unsigned char *)&rsp, sizeof(rsp)); |
| |
| if (ret < sizeof(struct ipmi_rsp) || rsp.completion_code) { |
| printk(BIOS_ERR, "IPMI: %s command failed (ret=%d resp=0x%x)\n", |
| __func__, ret, rsp.completion_code); |
| return CB_ERR; |
| } |
| printk(BIOS_DEBUG, "IPMI: %s command success\n", __func__); |
| return CB_SUCCESS; |
| } |
| |
| static void ipmi_ocp_init(struct device *dev) |
| { |
| /* Add OCP specific IPMI command */ |
| } |
| |
| static void ipmi_ocp_final(struct device *dev) |
| { |
| /* Add OCP specific IPMI command */ |
| |
| if (CONFIG(OCP_DMI)) |
| ipmi_set_ppin(dev); |
| } |
| |
| static void ipmi_set_resources(struct device *dev) |
| { |
| struct resource *res; |
| |
| for (res = dev->resource_list; res; res = res->next) { |
| if (!(res->flags & IORESOURCE_ASSIGNED)) |
| continue; |
| |
| res->flags |= IORESOURCE_STORED; |
| report_resource_stored(dev, res, ""); |
| } |
| } |
| |
| static void ipmi_read_resources(struct device *dev) |
| { |
| struct resource *res = new_resource(dev, 0); |
| res->base = dev->path.pnp.port; |
| res->size = 2; |
| res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
| } |
| |
| static struct device_operations ops = { |
| .read_resources = ipmi_read_resources, |
| .set_resources = ipmi_set_resources, |
| .init = ipmi_ocp_init, |
| .final = ipmi_ocp_final, |
| }; |
| |
| static void enable_dev(struct device *dev) |
| { |
| if (dev->path.type != DEVICE_PATH_PNP) |
| printk(BIOS_ERR, "%s: Unsupported device type\n", |
| dev_path(dev)); |
| else if (dev->path.pnp.port & 1) |
| printk(BIOS_ERR, "%s: Base address needs to be aligned to 2\n", |
| dev_path(dev)); |
| else |
| dev->ops = &ops; |
| } |
| |
| struct chip_operations drivers_ipmi_ocp_ops = { |
| CHIP_NAME("IPMI OCP") |
| .enable_dev = enable_dev, |
| }; |