include: Add firmware context to sbi_platform

Add firmware context field struct sbi_platform to carry firmware
specific information.

Signed-off-by: Abner Chang <abner.chang@hpe.com>
Acked-by: Anup Patel <anup.patel@wdc.com>

diff --git a/include/sbi/sbi_platform.h b/include/sbi/sbi_platform.h
index 4399378..e3377b4 100644 (file)
--- a/include/sbi/sbi_platform.h
+++ b/include/sbi/sbi_platform.h
@@ -32,6 +32,8 @@
 #define SBI_PLATFORM_DISABLED_HART_OFFSET (0x58)
 /** Offset of platform_ops_addr in struct sbi_platform */
 #define SBI_PLATFORM_OPS_OFFSET (0x60)
+/** Offset of firmware_context in struct sbi_platform */
+#define SBI_PLATFORM_FIRMWARE_CONTEXT_OFFSET (0x60 + __SIZEOF_POINTER__)
 
 #ifndef __ASSEMBLY__
 
@@ -136,6 +138,8 @@ struct sbi_platform {
        u64 disabled_hart_mask;
        /** Pointer to sbi platform operations */
        unsigned long platform_ops_addr;
+       /** Pointer to system firmware specific context */
+       unsigned long firmware_context;
 } __packed;
 
 /** Get pointer to sbi_platform for sbi_scratch pointer */