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Diffstat (limited to 'src/soc/intel/cannonlake/me.c')
-rw-r--r--src/soc/intel/cannonlake/me.c80
1 files changed, 1 insertions, 79 deletions
diff --git a/src/soc/intel/cannonlake/me.c b/src/soc/intel/cannonlake/me.c
index 3d3fcb8ded..d41b0b8bc8 100644
--- a/src/soc/intel/cannonlake/me.c
+++ b/src/soc/intel/cannonlake/me.c
@@ -23,14 +23,6 @@
#include <soc/pci_devs.h>
#include <stdint.h>
-/* Miscellaneous constants */
-enum {
- MKHI_GEN_GROUP_ID = 0xFF,
- MKHI_GET_FW_VERSION = 0x02,
- ME_OPMODE_NORMAL = 0x00,
- ME_WSTATE_NORMAL = 0x05,
-};
-
/* Host Firmware Status Register 2 */
union me_hfsts2 {
uint32_t raw;
@@ -115,76 +107,6 @@ union me_hfsts6 {
} __packed fields;
};
-/*
- * From reading the documentation, this should work for both WHL and CML
- * platforms. Also, calling this function from dump_me_status() does not
- * work, as the ME does not respond and the command times out.
- */
-static void print_me_version(void *unused)
-{
- struct version {
- uint16_t minor;
- uint16_t major;
- uint16_t build;
- uint16_t hotfix;
- } __packed;
-
- struct fw_ver_resp {
- struct mkhi_hdr hdr;
- struct version code;
- struct version rec;
- struct version fitc;
- } __packed;
-
- union me_hfsts1 hfsts1;
- const struct mkhi_hdr fw_ver_msg = {
- .group_id = MKHI_GEN_GROUP_ID,
- .command = MKHI_GET_FW_VERSION,
- };
- struct fw_ver_resp resp;
- size_t resp_size = sizeof(resp);
-
- /* Ignore if UART debugging is disabled */
- if (!CONFIG(CONSOLE_SERIAL))
- return;
-
- if (!is_cse_enabled())
- return;
-
- hfsts1.data = me_read_config32(PCI_ME_HFSTS1);
-
- /*
- * Prerequisites:
- * 1) HFSTS1 Current Working State is Normal
- * 2) HFSTS1 Current Operation Mode is Normal
- * 3) It's after DRAM INIT DONE message (taken care of by calling it
- * during ramstage
- */
- if ((hfsts1.fields.working_state != ME_WSTATE_NORMAL) ||
- (hfsts1.fields.operation_mode != ME_OPMODE_NORMAL))
- goto fail;
-
- heci_reset();
-
- if (!heci_send(&fw_ver_msg, sizeof(fw_ver_msg), BIOS_HOST_ADDR,
- HECI_MKHI_ADDR))
- goto fail;
-
- if (!heci_receive(&resp, &resp_size))
- goto fail;
-
- if (resp.hdr.result)
- goto fail;
-
- printk(BIOS_DEBUG, "ME: Version: %d.%d.%d.%d\n", resp.code.major,
- resp.code.minor, resp.code.hotfix, resp.code.build);
- return;
-
-fail:
- printk(BIOS_DEBUG, "ME: Version: Unavailable\n");
-}
-BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_EXIT, print_me_version, NULL);
-
void dump_me_status(void *unused)
{
union me_hfsts1 hfsts1;
@@ -250,5 +172,5 @@ void dump_me_status(void *unused)
printk(BIOS_DEBUG, "ME: TXT Support : %s\n",
hfsts6.fields.txt_support ? "YES" : "NO");
}
-
+BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_EXIT, print_me_fw_version, NULL);
BOOT_STATE_INIT_ENTRY(BS_OS_RESUME_CHECK, BS_ON_EXIT, dump_me_status, NULL);