cmd: provide command sbi

[platform/kernel/u-boot.git] / arch / riscv / lib / sbi.c

diff --git a/arch/riscv/lib/sbi.c b/arch/riscv/lib/sbi.c
index f298846..77845a7 100644 (file)
--- a/arch/riscv/lib/sbi.c
+++ b/arch/riscv/lib/sbi.c
@@ -53,6 +53,61 @@ void sbi_set_timer(uint64_t stime_value)
 #endif
 }
 
+/**
+ * sbi_get_spec_version() - get current SBI specification version
+ *
+ * Return: version id
+ */
+long sbi_get_spec_version(void)
+{
+       struct sbiret ret;
+
+       ret = sbi_ecall(SBI_EXT_BASE, SBI_EXT_BASE_GET_SPEC_VERSION,
+                       0, 0, 0, 0, 0, 0);
+       if (!ret.error)
+               if (ret.value)
+                       return ret.value;
+
+       return -ENOTSUPP;
+}
+
+/**
+ * sbi_get_impl_id() - get SBI implementation ID
+ *
+ * Return: implementation ID
+ */
+int sbi_get_impl_id(void)
+{
+       struct sbiret ret;
+
+       ret = sbi_ecall(SBI_EXT_BASE, SBI_EXT_BASE_GET_IMP_ID,
+                       0, 0, 0, 0, 0, 0);
+       if (!ret.error)
+               if (ret.value)
+                       return ret.value;
+
+       return -ENOTSUPP;
+}
+
+/**
+ * sbi_probe_extension() - Check if an SBI extension ID is supported or not.
+ * @extid: The extension ID to be probed.
+ *
+ * Return: Extension specific nonzero value f yes, -ENOTSUPP otherwise.
+ */
+int sbi_probe_extension(int extid)
+{
+       struct sbiret ret;
+
+       ret = sbi_ecall(SBI_EXT_BASE, SBI_EXT_BASE_PROBE_EXT, extid,
+                       0, 0, 0, 0, 0);
+       if (!ret.error)
+               if (ret.value)
+                       return ret.value;
+
+       return -ENOTSUPP;
+}
+
 #ifdef CONFIG_SBI_V01
 
 /**
@@ -162,22 +217,4 @@ void sbi_remote_sfence_vma_asid(const unsigned long *hart_mask,
                  (unsigned long)hart_mask, start, size, asid, 0, 0);
 }
 
-/**
- * sbi_probe_extension() - Check if an SBI extension ID is supported or not.
- * @extid: The extension ID to be probed.
- *
- * Return: Extension specific nonzero value f yes, -ENOTSUPP otherwise.
- */
-int sbi_probe_extension(int extid)
-{
-       struct sbiret ret;
-
-       ret = sbi_ecall(SBI_EXT_BASE, SBI_EXT_BASE_PROBE_EXT, extid,
-                       0, 0, 0, 0, 0);
-       if (!ret.error)
-               if (ret.value)
-                       return ret.value;
-
-       return -ENOTSUPP;
-}
 #endif /* CONFIG_SBI_V01 */