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-rw-r--r--src/soc/intel/cannonlake/reset.c57
-rw-r--r--src/soc/intel/common/block/cse/cse.c61
-rw-r--r--src/soc/intel/common/block/include/intelblocks/cse.h12
-rw-r--r--src/soc/intel/icelake/reset.c57
-rw-r--r--src/soc/intel/skylake/include/soc/me.h12
-rw-r--r--src/soc/intel/skylake/me.c50
6 files changed, 78 insertions, 171 deletions
diff --git a/src/soc/intel/cannonlake/reset.c b/src/soc/intel/cannonlake/reset.c
index e92396f39a..e01c22c463 100644
--- a/src/soc/intel/cannonlake/reset.c
+++ b/src/soc/intel/cannonlake/reset.c
@@ -22,65 +22,10 @@
#include <string.h>
#include <soc/pci_devs.h>
-/* Reset Request */
-#define MKHI_GLOBAL_RESET 0x0b
-#define MKHI_STATUS_SUCCESS 0
-
-#define GR_ORIGIN_BIOS_MEM_INIT 0x01
-#define GR_ORIGIN_BIOS_POST 0x02
-#define GR_ORIGIN_MEBX 0x03
-
-#define GLOBAL_RST_TYPE 0x01
-
-#define BIOS_HOST_ADD 0x00
-#define HECI_MKHI_ADD 0x07
-
-static int send_heci_reset_message(void)
-{
- int status;
- struct reset_reply {
- u8 group_id;
- u8 command;
- u8 reserved;
- u8 result;
- } __packed reply;
- struct reset_message {
- u8 group_id;
- u8 cmd;
- u8 reserved;
- u8 result;
- u8 req_origin;
- u8 reset_type;
- } __packed;
- struct reset_message msg = {
- .cmd = MKHI_GLOBAL_RESET,
- .req_origin = GR_ORIGIN_BIOS_POST,
- .reset_type = GLOBAL_RST_TYPE
- };
- size_t reply_size;
-
- heci_reset();
-
- status = heci_send(&msg, sizeof(msg), BIOS_HOST_ADD, HECI_MKHI_ADD);
- if (status != 1)
- return -1;
-
- reply_size = sizeof(reply);
- memset(&reply, 0, reply_size);
- if (!heci_receive(&reply, &reply_size))
- return -1;
- if (reply.result != MKHI_STATUS_SUCCESS) {
- printk(BIOS_DEBUG, "Returned Mkhi Status is not success!\n");
- return -1;
- }
- printk(BIOS_DEBUG, "Heci receive success!\n");
- return 0;
-}
-
void do_global_reset(void)
{
/* Ask CSE to do the global reset */
- if (!send_heci_reset_message())
+ if (!send_heci_reset_req_message(GLOBAL_RESET))
return;
/* global reset if CSE fail to reset */
diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c
index 223eab5fb2..01b20501a7 100644
--- a/src/soc/intel/common/block/cse/cse.c
+++ b/src/soc/intel/common/block/cse/cse.c
@@ -69,10 +69,25 @@
#define HECI_OP_MODE_SEC_OVERRIDE 5
+/* Global Reset Command ID */
+#define MKHI_GLOBAL_RESET_REQ 0xb
+#define MKHI_GROUP_ID_CBM 0
+
+/* RST Origin */
+#define GR_ORIGIN_BIOS_POST 2
+
static struct cse_device {
uintptr_t sec_bar;
} g_cse;
+/* HECI Message Header */
+struct mkhi_hdr {
+ uint8_t group_id;
+ uint8_t command:7;
+ uint8_t is_resp:1;
+ uint8_t rsvd;
+ uint8_t result;
+} __packed;
/*
* Initialize the device with provided temporary BAR. If BAR is 0 use a
* default. This is intended for pre-mem usage only where BARs haven't been
@@ -558,6 +573,52 @@ uint32_t me_read_config32(int offset)
return pci_read_config32(PCH_DEV_CSE, offset);
}
+/*
+ * Sends GLOBAL_RESET_REQ cmd to CSE.The reset type can be GLOBAL_RESET/
+ * HOST_RESET_ONLY/CSE_RESET_ONLY.
+ */
+int send_heci_reset_req_message(uint8_t rst_type)
+{
+ int status;
+ struct mkhi_hdr reply;
+ struct reset_message {
+ struct mkhi_hdr hdr;
+ uint8_t req_origin;
+ uint8_t reset_type;
+ } __packed;
+ struct reset_message msg = {
+ .hdr = {
+ .group_id = MKHI_GROUP_ID_CBM,
+ .command = MKHI_GLOBAL_RESET_REQ,
+ },
+ .req_origin = GR_ORIGIN_BIOS_POST,
+ .reset_type = rst_type
+ };
+ size_t reply_size;
+
+ if (!((rst_type == GLOBAL_RESET) ||
+ (rst_type == HOST_RESET_ONLY) || (rst_type == CSE_RESET_ONLY)))
+ return -1;
+
+ heci_reset();
+
+ reply_size = sizeof(reply);
+ memset(&reply, 0, reply_size);
+
+ printk(BIOS_DEBUG, "HECI: Global Reset(Type:%d) Command\n", rst_type);
+ if (rst_type == CSE_RESET_ONLY)
+ status = heci_send_receive(&msg, sizeof(msg), NULL, 0);
+ else
+ status = heci_send_receive(&msg, sizeof(msg), &reply,
+ &reply_size);
+
+ if (status != 1)
+ return -1;
+
+ printk(BIOS_DEBUG, "HECI: Global Reset success!\n");
+ return 0;
+}
+
#if ENV_RAMSTAGE
static void update_sec_bar(struct device *dev)
diff --git a/src/soc/intel/common/block/include/intelblocks/cse.h b/src/soc/intel/common/block/include/intelblocks/cse.h
index 30d17c865a..1b08b4d4ea 100644
--- a/src/soc/intel/common/block/include/intelblocks/cse.h
+++ b/src/soc/intel/common/block/include/intelblocks/cse.h
@@ -106,7 +106,19 @@ void set_host_ready(void);
*/
uint8_t wait_cse_sec_override_mode(void);
+/*
+ * Sends GLOBAL_RESET_REQ cmd to CSE.The reset type can be
+ * GLOBAL_RESET/HOST_RESET_ONLY/CSE_RESET_ONLY.
+ * Returns -1 on failure a 0 on success.
+ */
+int send_heci_reset_req_message(uint8_t rst_type);
+
#define BIOS_HOST_ADDR 0x00
#define HECI_MKHI_ADDR 0x07
+/* Command GLOBAL_RESET_REQ Reset Types */
+#define GLOBAL_RESET 1
+#define HOST_RESET_ONLY 2
+#define CSE_RESET_ONLY 3
+
#endif // SOC_INTEL_COMMON_MSR_H
diff --git a/src/soc/intel/icelake/reset.c b/src/soc/intel/icelake/reset.c
index 470b5f4fde..d83b3ee3fa 100644
--- a/src/soc/intel/icelake/reset.c
+++ b/src/soc/intel/icelake/reset.c
@@ -22,65 +22,10 @@
#include <string.h>
#include <soc/pci_devs.h>
-/* Reset Request */
-#define MKHI_GLOBAL_RESET 0x0b
-#define MKHI_STATUS_SUCCESS 0
-
-#define GR_ORIGIN_BIOS_MEM_INIT 0x01
-#define GR_ORIGIN_BIOS_POST 0x02
-#define GR_ORIGIN_MEBX 0x03
-
-#define GLOBAL_RST_TYPE 0x01
-
-#define BIOS_HOST_ADD 0x00
-#define HECI_MKHI_ADD 0x07
-
-static int send_heci_reset_message(void)
-{
- int status;
- struct reset_reply {
- u8 group_id;
- u8 command;
- u8 reserved;
- u8 result;
- } __packed reply;
- struct reset_message {
- u8 group_id;
- u8 cmd;
- u8 reserved;
- u8 result;
- u8 req_origin;
- u8 reset_type;
- } __packed;
- struct reset_message msg = {
- .cmd = MKHI_GLOBAL_RESET,
- .req_origin = GR_ORIGIN_BIOS_POST,
- .reset_type = GLOBAL_RST_TYPE
- };
- size_t reply_size;
-
- heci_reset();
-
- status = heci_send(&msg, sizeof(msg), BIOS_HOST_ADD, HECI_MKHI_ADD);
- if (status != 1)
- return -1;
-
- reply_size = sizeof(reply);
- memset(&reply, 0, reply_size);
- if (!heci_receive(&reply, &reply_size))
- return -1;
- if (reply.result != MKHI_STATUS_SUCCESS) {
- printk(BIOS_DEBUG, "Returned Mkhi Status is not success!\n");
- return -1;
- }
- printk(BIOS_DEBUG, "Heci receive success!\n");
- return 0;
-}
-
void do_global_reset(void)
{
/* Ask CSE to do the global reset */
- if (!send_heci_reset_message())
+ if (!send_heci_reset_req_message(GLOBAL_RESET))
return;
/* global reset if CSE fail to reset */
diff --git a/src/soc/intel/skylake/include/soc/me.h b/src/soc/intel/skylake/include/soc/me.h
index ef84f59686..c1fdc8154a 100644
--- a/src/soc/intel/skylake/include/soc/me.h
+++ b/src/soc/intel/skylake/include/soc/me.h
@@ -173,20 +173,8 @@ union me_hfs6 {
#define MKHI_GEN_GROUP_ID 0xff
-/* Reset Request */
-#define MKHI_GLOBAL_RESET 0x0b
-
#define MKHI_GET_FW_VERSION 0x02
-#define GR_ORIGIN_BIOS_MEM_INIT 0x01
-#define GR_ORIGIN_BIOS_POST 0x02
-#define GR_ORIGIN_MEBX 0x03
-
-#define GLOBAL_RST_TYPE 0x01
-
-#define BIOS_HOST_ADD 0x00
-#define HECI_MKHI_ADD 0x07
-
void intel_me_status(void);
int send_global_reset(void);
diff --git a/src/soc/intel/skylake/me.c b/src/soc/intel/skylake/me.c
index 5fc817fd50..dcde348a25 100644
--- a/src/soc/intel/skylake/me.c
+++ b/src/soc/intel/skylake/me.c
@@ -257,8 +257,8 @@ static void print_me_version(void *unused)
*/
heci_reset();
- if (!heci_send(&fw_ver_msg, sizeof(fw_ver_msg), BIOS_HOST_ADD,
- HECI_MKHI_ADD))
+ if (!heci_send(&fw_ver_msg, sizeof(fw_ver_msg), BIOS_HOST_ADDR,
+ HECI_MKHI_ADDR))
goto failed;
if (!heci_receive(&resp, &resp_size))
@@ -437,50 +437,6 @@ void intel_me_status(void)
}
}
-static int send_heci_reset_message(void)
-{
- int status;
- struct reset_reply {
- u8 group_id;
- u8 command;
- u8 reserved;
- u8 result;
- } __packed reply;
- struct reset_message {
- u8 group_id;
- u8 cmd;
- u8 reserved;
- u8 result;
- u8 req_origin;
- u8 reset_type;
- } __packed;
- struct reset_message msg = {
- .cmd = MKHI_GLOBAL_RESET,
- .req_origin = GR_ORIGIN_BIOS_POST,
- .reset_type = GLOBAL_RST_TYPE
- };
- size_t reply_size;
-
- heci_reset();
-
- status = heci_send(&msg, sizeof(msg), BIOS_HOST_ADD, HECI_MKHI_ADD);
- if (!status)
- return -1;
-
- reply_size = sizeof(reply);
- memset(&reply, 0, reply_size);
- status = heci_receive(&reply, &reply_size);
- if (!status)
- return -1;
- /* get reply result from HECI MSG */
- if (reply.result) {
- printk(BIOS_DEBUG, "%s: Exit with Failure\n", __func__);
- return -1;
- }
- printk(BIOS_DEBUG, "%s: Exit with Success\n", __func__);
- return 0;
-}
-
int send_global_reset(void)
{
int status = -1;
@@ -495,7 +451,7 @@ int send_global_reset(void)
goto ret;
/* ME should be in Normal Mode for this command */
- status = send_heci_reset_message();
+ status = send_heci_reset_req_message(GLOBAL_RESET);
ret:
return status;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 07:18:05 +0000