feat(intel): add SMC support for ROM Patch SHA384 mailbox
HSD #16014059592:
Add support for ROM Patch SHA384 mailbox SMC call.
Signed-off-by: Kris Chaplin <kris.chaplin@linux.intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: Ide9a7af41a089980745cb7216a9bf85e7fbd84e3
diff --git a/plat/intel/soc/common/include/socfpga_fcs.h b/plat/intel/soc/common/include/socfpga_fcs.h
index ff10d36..d3b7141 100644
--- a/plat/intel/soc/common/include/socfpga_fcs.h
+++ b/plat/intel/soc/common/include/socfpga_fcs.h
@@ -11,9 +11,11 @@
#define FCS_RANDOM_WORD_SIZE 8U
#define FCS_PROV_DATA_WORD_SIZE 44U
+#define FCS_SHA384_WORD_SIZE 12U
#define FCS_RANDOM_BYTE_SIZE (FCS_RANDOM_WORD_SIZE * 4U)
#define FCS_PROV_DATA_BYTE_SIZE (FCS_PROV_DATA_WORD_SIZE * 4U)
+#define FCS_SHA384_BYTE_SIZE (FCS_SHA384_WORD_SIZE * 4U)
#define FCS_CRYPTION_DATA_0 0x10100
@@ -38,4 +40,7 @@
uint32_t src_size, uint32_t dst_addr,
uint32_t dst_size, uint32_t *send_id);
+uint32_t intel_fcs_get_rom_patch_sha384(uint64_t addr, uint64_t *ret_size,
+ uint32_t *mbox_error);
+
#endif /* SOCFPGA_FCS_H */
diff --git a/plat/intel/soc/common/include/socfpga_mailbox.h b/plat/intel/soc/common/include/socfpga_mailbox.h
index 6b7e0fc..a6a3565 100644
--- a/plat/intel/soc/common/include/socfpga_mailbox.h
+++ b/plat/intel/soc/common/include/socfpga_mailbox.h
@@ -67,6 +67,8 @@
#define MBOX_FCS_ENCRYPT_REQ 0x7E
#define MBOX_FCS_DECRYPT_REQ 0x7F
#define MBOX_FCS_RANDOM_GEN 0x80
+/* Miscellaneous commands */
+#define MBOX_GET_ROM_PATCH_SHA384 0x1B0
/* Mailbox Definitions */
diff --git a/plat/intel/soc/common/include/socfpga_sip_svc.h b/plat/intel/soc/common/include/socfpga_sip_svc.h
index 0db71e2..4d31c77 100644
--- a/plat/intel/soc/common/include/socfpga_sip_svc.h
+++ b/plat/intel/soc/common/include/socfpga_sip_svc.h
@@ -44,6 +44,9 @@
/* ECC */
#define INTEL_SIP_SMC_ECC_DBE 0xC200000D
+/* Generic Command */
+#define INTEL_SIP_SMC_GET_ROM_PATCH_SHA384 0xC2000040
+
/* Send Mailbox Command */
#define INTEL_SIP_SMC_MBOX_SEND_CMD 0xC200001E
diff --git a/plat/intel/soc/common/sip/socfpga_sip_fcs.c b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
index fe5461b..3a7d693 100644
--- a/plat/intel/soc/common/sip/socfpga_sip_fcs.c
+++ b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
@@ -118,3 +118,33 @@
return INTEL_SIP_SMC_STATUS_OK;
}
+
+uint32_t intel_fcs_get_rom_patch_sha384(uint64_t addr, uint64_t *ret_size,
+ uint32_t *mbox_error)
+{
+ int status;
+ unsigned int resp_len = FCS_SHA384_WORD_SIZE;
+
+ if (!is_address_in_ddr_range(addr, FCS_SHA384_BYTE_SIZE)) {
+ return INTEL_SIP_SMC_STATUS_REJECTED;
+ }
+
+ status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_GET_ROM_PATCH_SHA384, NULL, 0U,
+ CMD_CASUAL, (uint32_t *) addr, &resp_len);
+
+ if (status < 0) {
+ *mbox_error = -status;
+ return INTEL_SIP_SMC_STATUS_ERROR;
+ }
+
+ if (resp_len != FCS_SHA384_WORD_SIZE) {
+ *mbox_error = GENERIC_RESPONSE_ERROR;
+ return INTEL_SIP_SMC_STATUS_ERROR;
+ }
+
+ *ret_size = FCS_SHA384_BYTE_SIZE;
+
+ flush_dcache_range(addr, *ret_size);
+
+ return INTEL_SIP_SMC_STATUS_OK;
+}
diff --git a/plat/intel/soc/common/socfpga_sip_svc.c b/plat/intel/soc/common/socfpga_sip_svc.c
index 14cd9e0..2335957 100644
--- a/plat/intel/soc/common/socfpga_sip_svc.c
+++ b/plat/intel/soc/common/socfpga_sip_svc.c
@@ -433,8 +433,9 @@
u_register_t flags)
{
uint32_t retval = 0;
+ uint32_t mbox_error = 0;
uint32_t completed_addr[3];
- uint64_t rsu_respbuf[9];
+ uint64_t retval64, rsu_respbuf[9];
int status = INTEL_SIP_SMC_STATUS_OK;
int mbox_status;
unsigned int len_in_resp;
@@ -542,6 +543,11 @@
&len_in_resp);
SMC_RET3(handle, status, mbox_status, len_in_resp);
+ case INTEL_SIP_SMC_GET_ROM_PATCH_SHA384:
+ status = intel_fcs_get_rom_patch_sha384(x1, &retval64,
+ &mbox_error);
+ SMC_RET4(handle, status, mbox_error, x1, retval64);
+
default:
return socfpga_sip_handler(smc_fid, x1, x2, x3, x4,
cookie, handle, flags);