From 407b35aa9f5e243acbcc37e72e128c2fe241ef1d Mon Sep 17 00:00:00 2001 From: Johnny Lin Date: Tue, 12 May 2020 10:05:27 +0800 Subject: mb/ocp/deltalake: Populate SMBIOS data and set the read PPIN to BMC 1. Populate SMBIOS data from OCP_DMI driver read from FRU and PPIN MSR for OEM string 1 to 6, add string 8 for PCIE configuration. 2. Set the read PPIN MSR to BMC. Tested on OCP Delta Lake. Change-Id: I9127cf5da1c56d8012694d070615aec24cc22fdf Signed-off-by: Johnny Lin Reviewed-on: https://review.coreboot.org/c/coreboot/+/41279 Reviewed-by: Jonathan Zhang Reviewed-by: Christian Walter Tested-by: build bot (Jenkins) --- src/mainboard/ocp/deltalake/Kconfig | 1 + src/mainboard/ocp/deltalake/Makefile.inc | 2 +- src/mainboard/ocp/deltalake/ipmi.c | 48 +++++++++++++++++++++++ src/mainboard/ocp/deltalake/ipmi.h | 27 +++++++++++++ src/mainboard/ocp/deltalake/ramstage.c | 65 ++++++++++++++++++++++++++++++++ 5 files changed, 142 insertions(+), 1 deletion(-) create mode 100644 src/mainboard/ocp/deltalake/ipmi.c create mode 100644 src/mainboard/ocp/deltalake/ipmi.h (limited to 'src/mainboard/ocp') diff --git a/src/mainboard/ocp/deltalake/Kconfig b/src/mainboard/ocp/deltalake/Kconfig index d61a3a6451..698c57b246 100644 --- a/src/mainboard/ocp/deltalake/Kconfig +++ b/src/mainboard/ocp/deltalake/Kconfig @@ -9,6 +9,7 @@ config BOARD_SPECIFIC_OPTIONS select SOC_INTEL_COOPERLAKE_SP select SUPERIO_ASPEED_AST2400 select IPMI_KCS + select OCP_DMI config IPMI_KCS_REGISTER_SPACING int diff --git a/src/mainboard/ocp/deltalake/Makefile.inc b/src/mainboard/ocp/deltalake/Makefile.inc index bfdd78ed88..14162bb1da 100644 --- a/src/mainboard/ocp/deltalake/Makefile.inc +++ b/src/mainboard/ocp/deltalake/Makefile.inc @@ -4,7 +4,7 @@ bootblock-y += bootblock.c romstage-y += romstage.c -ramstage-y += ramstage.c +ramstage-y += ramstage.c ipmi.c ramstage-$(CONFIG_HAVE_ACPI_TABLES) += fadt.c CPPFLAGS_common += -Isrc/mainboard/$(MAINBOARDDIR)/ diff --git a/src/mainboard/ocp/deltalake/ipmi.c b/src/mainboard/ocp/deltalake/ipmi.c new file mode 100644 index 0000000000..b8a4c53c4d --- /dev/null +++ b/src/mainboard/ocp/deltalake/ipmi.c @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include +#include +#include + +#include "ipmi.h" + +enum cb_err ipmi_set_ppin(struct ppin_req *req) +{ + int ret; + struct ipmi_rsp rsp; + + ret = ipmi_kcs_message(CONFIG_BMC_KCS_BASE, 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; + } + + return CB_SUCCESS; +} + +enum cb_err ipmi_get_pcie_config(uint8_t *pcie_config) +{ + int ret; + struct ipmi_config_rsp { + struct ipmi_rsp resp; + uint8_t config; + } __packed; + struct ipmi_config_rsp rsp; + + ret = ipmi_kcs_message(CONFIG_BMC_KCS_BASE, IPMI_NETFN_OEM, 0x0, + IPMI_OEM_GET_PCIE_CONFIG, NULL, 0, (unsigned char *) &rsp, + sizeof(rsp)); + + if (ret < sizeof(struct ipmi_rsp) || rsp.resp.completion_code) { + printk(BIOS_ERR, "IPMI: %s command failed (ret=%d resp=0x%x)\n", + __func__, ret, rsp.resp.completion_code); + return CB_ERR; + } + *pcie_config = rsp.config; + + return CB_SUCCESS; +} diff --git a/src/mainboard/ocp/deltalake/ipmi.h b/src/mainboard/ocp/deltalake/ipmi.h new file mode 100644 index 0000000000..310ff27248 --- /dev/null +++ b/src/mainboard/ocp/deltalake/ipmi.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#ifndef DELTALAKE_IPMI_H +#define DELTALAKE_IPMI_H + +#include + +#define IPMI_NETFN_OEM 0x30 +#define IPMI_OEM_SET_PPIN 0x77 +#define IPMI_OEM_GET_PCIE_CONFIG 0xf4 + +#define PCIE_CONFIG_UNKNOWN 0x0 +#define PCIE_CONFIG_A 0x1 +#define PCIE_CONFIG_B 0x2 +#define PCIE_CONFIG_C 0x3 +#define PCIE_CONFIG_D 0x4 + +struct ppin_req { + uint32_t cpu0_lo; + uint32_t cpu0_hi; + uint32_t cpu1_lo; + uint32_t cpu1_hi; +} __packed; + +enum cb_err ipmi_set_ppin(struct ppin_req *req); +enum cb_err ipmi_get_pcie_config(uint8_t *config); +#endif diff --git a/src/mainboard/ocp/deltalake/ramstage.c b/src/mainboard/ocp/deltalake/ramstage.c index c4da628709..a8f92ad04a 100644 --- a/src/mainboard/ocp/deltalake/ramstage.c +++ b/src/mainboard/ocp/deltalake/ramstage.c @@ -1,7 +1,72 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include +#include +#include #include +#include "ipmi.h" + +extern struct fru_info_str fru_strings; + +static void dl_oem_smbios_strings(struct device *dev, struct smbios_type11 *t) +{ + uint8_t pcie_config = 0; + + /* OEM string 1 to 6 */ + ocp_oem_smbios_strings(dev, t); + + /* TODO: Add real OEM string 7, add TBF for now */ + t->count = smbios_add_oem_string(t->eos, TBF); + + /* Add OEM string 8 */ + if (ipmi_get_pcie_config(&pcie_config) == CB_SUCCESS) { + switch (pcie_config) { + case PCIE_CONFIG_UNKNOWN: + t->count = smbios_add_oem_string(t->eos, "0x0: Unknown"); + break; + case PCIE_CONFIG_A: + t->count = smbios_add_oem_string(t->eos, "0x1: YV3 Config-A"); + break; + case PCIE_CONFIG_B: + t->count = smbios_add_oem_string(t->eos, "0x2: YV3 Config-B"); + break; + case PCIE_CONFIG_C: + t->count = smbios_add_oem_string(t->eos, "0x3: YV3 Config-C"); + break; + case PCIE_CONFIG_D: + t->count = smbios_add_oem_string(t->eos, "0x4: YV3 Config-D"); + break; + default: + t->count = smbios_add_oem_string(t->eos, "Check BMC return data"); + } + } else { + printk(BIOS_ERR, "Failed to get IPMI PCIe config\n"); + } +} + +static void mainboard_enable(struct device *dev) +{ + dev->ops->get_smbios_strings = dl_oem_smbios_strings, + read_fru_areas(CONFIG_BMC_KCS_BASE, CONFIG_FRU_DEVICE_ID, 0, &fru_strings); +} + void mainboard_silicon_init_params(FSPS_UPD *params) { } + +static void mainboard_final(void *chip_info) +{ + struct ppin_req req = {0}; + + req.cpu0_lo = xeon_sp_ppin[0].lo; + req.cpu0_hi = xeon_sp_ppin[0].hi; + /* Set PPIN to BMC */ + if (ipmi_set_ppin(&req) != CB_SUCCESS) + printk(BIOS_ERR, "ipmi_set_ppin failed\n"); +} + +struct chip_operations mainboard_ops = { + .enable_dev = mainboard_enable, + .final = mainboard_final, +}; -- cgit v1.2.3