| /* 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 <string.h> |
| #include <intelblocks/cpulib.h> |
| #include <arch/cpu.h> |
| #include "chip.h" |
| #include "drivers/ipmi/ipmi_kcs.h" |
| #include "ipmi_ocp.h" |
| |
| static int ipmi_set_processor_information_param1(struct device *dev) |
| { |
| int ret; |
| struct ipmi_processor_info_param1_req req1 = {0}; |
| struct ipmi_rsp rsp; |
| int mfid = CONFIG_IPMI_OCP_MANU_ID; |
| |
| memcpy(&req1.data.manufacturer_id, &mfid, 3); |
| printk(BIOS_DEBUG, "IPMI BMC manufacturer id: %02x%02x%02x\n", |
| req1.data.manufacturer_id[2], req1.data.manufacturer_id[1], |
| req1.data.manufacturer_id[0]); |
| |
| req1.data.index = 0; |
| req1.data.parameter_selector = 1; |
| |
| /* Get processor name. */ |
| fill_processor_name(req1.product_name); |
| printk(BIOS_DEBUG, "IPMI BMC CPU NAME: %s.\n", req1.product_name); |
| |
| ret = ipmi_kcs_message(dev->path.pnp.port, IPMI_NETFN_OEM_COMMON, 0, |
| IPMI_BMC_SET_PROCESSOR_INFORMATION, (u8 *) &req1, |
| sizeof(req1), (u8 *) &rsp, sizeof(rsp)); |
| |
| if (ret < sizeof(struct ipmi_rsp) || rsp.completion_code) { |
| printk(BIOS_ERR, "IPMI BMC: %s command failed (ret=%d rsp=0x%x)\n", |
| __func__, ret, rsp.completion_code); |
| return CB_ERR; |
| } |
| return CB_SUCCESS; |
| } |
| |
| static int ipmi_set_processor_information_param2(struct device *dev) |
| { |
| int ret; |
| struct ipmi_processor_info_param2_req req2 = {0}; |
| struct ipmi_rsp rsp; |
| uint8_t stepping_id; |
| int mfid = CONFIG_IPMI_OCP_MANU_ID; |
| unsigned int core_count, thread_count; |
| struct cpuinfo_x86 c; |
| |
| memcpy(&req2.data.manufacturer_id, &mfid, 3); |
| printk(BIOS_DEBUG, "IPMI BMC manufacturer id: %02x%02x%02x\n", |
| req2.data.manufacturer_id[2], req2.data.manufacturer_id[1], |
| req2.data.manufacturer_id[0]); |
| |
| req2.data.index = 0; |
| req2.data.parameter_selector = 2; |
| |
| /* Get core number and thread number. */ |
| cpu_read_topology(&core_count, &thread_count); |
| req2.core_number = core_count; |
| req2.thread_number = thread_count; |
| printk(BIOS_DEBUG, "IPMI BMC CPU has %u cores, %u threads enabled.\n", |
| req2.core_number, req2.thread_number); |
| |
| /* Get processor frequency. */ |
| req2.processor_freq = 100 * cpu_get_max_ratio(); |
| printk(BIOS_DEBUG, "IPMI BMC CPU frequency is %u MHz.\n", |
| req2.processor_freq); |
| |
| /* Get revision. */ |
| get_fms(&c, cpuid_eax(1)); |
| stepping_id = c.x86_mask; |
| printk(BIOS_DEBUG, "IPMI BMC CPU stepping id is %x.\n", stepping_id); |
| switch (stepping_id) { |
| /* TBD */ |
| case 0x0a: |
| req2.revision[0] = 'A'; |
| req2.revision[1] = '0'; |
| break; |
| default: |
| req2.revision[0] = 'X'; |
| req2.revision[1] = 'X'; |
| } |
| |
| ret = ipmi_kcs_message(dev->path.pnp.port, IPMI_NETFN_OEM_COMMON, 0, |
| IPMI_BMC_SET_PROCESSOR_INFORMATION, (u8 *) &req2, |
| sizeof(req2), (u8 *) &rsp, sizeof(rsp)); |
| |
| if (ret < sizeof(struct ipmi_rsp) || rsp.completion_code) { |
| printk(BIOS_ERR, "IPMI: %s command failed (ret=%d rsp=0x%x)\n", |
| __func__, ret, rsp.completion_code); |
| return CB_ERR; |
| } |
| return CB_SUCCESS; |
| } |
| |
| static void ipmi_set_processor_information(struct device *dev) |
| { |
| if (ipmi_set_processor_information_param1(dev)) |
| printk(BIOS_ERR, "IPMI BMC set param 1 processor info failed\n"); |
| |
| if (ipmi_set_processor_information_param2(dev)) |
| printk(BIOS_ERR, "IPMI BMC set param 2 processor info failed\n"); |
| } |
| |
| 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 */ |
| |
| /* Send processor information */ |
| ipmi_set_processor_information(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, |
| }; |