sysinfo: Add sysinfo driver and data structure for smbios
Add sysinfo driver to retrieve smbios information (Type 4 and 7).
So that the smbios library can use it for getting values from the
hardware platform instead of device tree.
Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
diff --git a/include/smbios_plat.h b/include/smbios_plat.h
new file mode 100644
index 0000000..70089d5
--- /dev/null
+++ b/include/smbios_plat.h
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2024 Linaro Limited
+ * Author: Raymond Mao <raymond.mao@linaro.org>
+ */
+#ifndef __SMBIOS_PLAT_H
+#define __SMBIOS_PLAT_H
+
+#include <smbios.h>
+
+struct cache_info {
+ union cache_config config;
+ union cache_sram_type supp_sram_type;
+ union cache_sram_type curr_sram_type;
+ u32 line_size;
+ u32 associativity;
+ u32 max_size;
+ u32 inst_size;
+ u8 cache_type;
+ u8 speed;
+ u8 err_corr_type;
+ char *socket_design;
+};
+
+struct processor_info {
+ u32 id[2];
+ u16 ext_clock;
+ u16 max_speed;
+ u16 curr_speed;
+ u16 characteristics;
+ u16 family2;
+ u16 core_count2;
+ u16 core_enabled2;
+ u16 thread_count2;
+ u16 thread_enabled;
+ u8 type;
+ u8 family;
+ u8 voltage;
+ u8 status;
+ u8 upgrade;
+ u8 core_count;
+ u8 core_enabled;
+ u8 thread_count;
+ char *socket_design;
+ char *manufacturer;
+ char *version;
+ char *sn;
+ char *asset_tag;
+ char *pn;
+};
+
+struct sysinfo_plat {
+ struct processor_info *processor;
+ struct cache_info *cache;
+ /* add other sysinfo structure here */
+};
+
+#if defined CONFIG_SYSINFO_SMBIOS
+int sysinfo_get_cache_info(u8 level, struct cache_info *cache_info);
+void sysinfo_cache_info_default(struct cache_info *ci);
+int sysinfo_get_processor_info(struct processor_info *pinfo);
+#else
+static inline int sysinfo_get_cache_info(u8 level,
+ struct cache_info *cache_info)
+{
+ return -ENOSYS;
+}
+
+static inline void sysinfo_cache_info_default(struct cache_info *ci)
+{
+}
+
+static inline int sysinfo_get_processor_info(struct processor_info *pinfo)
+{
+ return -ENOSYS;
+}
+#endif
+
+#endif /* __SMBIOS_PLAT_H */