diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/apollolake/cse.c | 13 | ||||
| -rw-r--r-- | src/soc/intel/common/block/cse/cse.c | 32 | ||||
| -rw-r--r-- | src/soc/intel/common/block/cse/cse_eop.c | 14 | ||||
| -rw-r--r-- | src/soc/intel/common/block/cse/cse_lite.c | 8 | ||||
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/cse.h | 20 |
5 files changed, 38 insertions, 49 deletions
diff --git a/src/soc/intel/apollolake/cse.c b/src/soc/intel/apollolake/cse.c index 1558d38b00..24fb41749d 100644 --- a/src/soc/intel/apollolake/cse.c +++ b/src/soc/intel/apollolake/cse.c @@ -44,7 +44,6 @@ static enum fuse_flash_state { static int read_cse_file(const char *path, void *buff, size_t *size, size_t offset, uint32_t flags) { - int res; size_t reply_size; struct mca_command { @@ -77,18 +76,10 @@ static int read_cse_file(const char *path, void *buff, size_t *size, msg.data_size = *size; msg.offset = offset; - res = heci_send(&msg, sizeof(msg), BIOS_HOST_ADDR, HECI_MKHI_ADDR); - - if (!res) { - printk(BIOS_ERR, "failed to send HECI message\n"); - return 0; - } - reply_size = sizeof(rmsg); - res = heci_receive(&rmsg, &reply_size); - if (!res) { - printk(BIOS_ERR, "failed to receive HECI reply\n"); + if (!heci_send_receive(&msg, sizeof(msg), &rmsg, &reply_size, HECI_MKHI_ADDR)) { + printk(BIOS_ERR, "HECI: Failed to read file\n"); return 0; } diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c index 7708c1b5f9..1cea7d9237 100644 --- a/src/soc/intel/common/block/cse/cse.c +++ b/src/soc/intel/common/block/cse/cse.c @@ -384,7 +384,12 @@ send_one_message(uint32_t hdr, const void *buff) return pend_len; } -int +/* + * Send message msg of size len to host from host_addr to cse_addr. + * Returns 1 on success and 0 otherwise. + * In case of error heci_reset() may be required. + */ +static int heci_send(const void *msg, size_t len, uint8_t host_addr, uint8_t client_addr) { uint8_t retry; @@ -487,7 +492,15 @@ recv_one_message(uint32_t *hdr, void *buff, size_t maxlen) return recv_len; } -int heci_receive(void *buff, size_t *maxlen) +/* + * Receive message into buff not exceeding maxlen. Message is considered + * successfully received if a 'complete' indication is read from ME side + * and there was enough space in the buffer to fit that message. maxlen + * is updated with size of message that was received. Returns 0 on failure + * and 1 on success. + * In case of error heci_reset() may be required. + */ +static int heci_receive(void *buff, size_t *maxlen) { uint8_t retry; size_t left, received; @@ -533,9 +546,10 @@ int heci_receive(void *buff, size_t *maxlen) return 0; } -int heci_send_receive(const void *snd_msg, size_t snd_sz, void *rcv_msg, size_t *rcv_sz) +int heci_send_receive(const void *snd_msg, size_t snd_sz, void *rcv_msg, size_t *rcv_sz, + uint8_t cse_addr) { - if (!heci_send(snd_msg, snd_sz, BIOS_HOST_ADDR, HECI_MKHI_ADDR)) { + if (!heci_send(snd_msg, snd_sz, BIOS_HOST_ADDR, cse_addr)) { printk(BIOS_ERR, "HECI: send Failed\n"); return 0; } @@ -663,7 +677,8 @@ static int cse_request_reset(enum rst_req_type rst_type) if (rst_type == CSE_RESET_ONLY) status = heci_send(&msg, sizeof(msg), BIOS_HOST_ADDR, HECI_MKHI_ADDR); else - status = heci_send_receive(&msg, sizeof(msg), &reply, &reply_size); + status = heci_send_receive(&msg, sizeof(msg), &reply, &reply_size, + HECI_MKHI_ADDR); printk(BIOS_DEBUG, "HECI: Global Reset %s!\n", status ? "success" : "failure"); return status; @@ -733,7 +748,7 @@ int cse_hmrfpo_enable(void) } if (!heci_send_receive(&msg, sizeof(struct hmrfpo_enable_msg), - &resp, &resp_size)) + &resp, &resp_size, HECI_MKHI_ADDR)) return 0; if (resp.hdr.result) { @@ -782,7 +797,7 @@ int cse_hmrfpo_get_status(void) } if (!heci_send_receive(&msg, sizeof(struct hmrfpo_get_status_msg), - &resp, &resp_size)) { + &resp, &resp_size, HECI_MKHI_ADDR)) { printk(BIOS_ERR, "HECI: HMRFPO send/receive fail\n"); return -1; } @@ -847,7 +862,8 @@ void print_me_fw_version(void *unused) heci_reset(); - if (!heci_send_receive(&fw_ver_msg, sizeof(fw_ver_msg), &resp, &resp_size)) + if (!heci_send_receive(&fw_ver_msg, sizeof(fw_ver_msg), &resp, &resp_size, + HECI_MKHI_ADDR)) goto fail; if (resp.hdr.result) diff --git a/src/soc/intel/common/block/cse/cse_eop.c b/src/soc/intel/common/block/cse/cse_eop.c index 6e5743966c..d8c6430b97 100644 --- a/src/soc/intel/common/block/cse/cse_eop.c +++ b/src/soc/intel/common/block/cse/cse_eop.c @@ -33,16 +33,10 @@ static bool cse_disable_mei_bus(void) uint8_t reserved[2]; } __packed reply = {}; - /* This is sent to the MEI client endpoint, not the MKHI endpoint */ - int ret = heci_send(&msg, sizeof(msg), BIOS_HOST_ADDR, HECI_MEI_ADDR); - if (!ret) { - printk(BIOS_ERR, "HECI: Failed to send MEI bus disable command!\n"); - return false; - } - size_t reply_sz = sizeof(reply); - if (!heci_receive(&reply, &reply_sz)) { - printk(BIOS_ERR, "HECI: Failed to receive a reply from CSE\n"); + + if (!heci_send_receive(&msg, sizeof(msg), &reply, &reply_sz, HECI_MEI_ADDR)) { + printk(BIOS_ERR, "HECI: Failed to Disable MEI bus\n"); return false; } @@ -112,7 +106,7 @@ static enum cse_eop_result cse_send_eop(void) printk(BIOS_INFO, "HECI: Sending End-of-Post\n"); - if (!heci_send_receive(&msg, sizeof(msg), &resp, &resp_size)) { + if (!heci_send_receive(&msg, sizeof(msg), &resp, &resp_size, HECI_MKHI_ADDR)) { printk(BIOS_ERR, "HECI: EOP send/receive fail\n"); return CSE_EOP_RESULT_ERROR; } diff --git a/src/soc/intel/common/block/cse/cse_lite.c b/src/soc/intel/common/block/cse/cse_lite.c index 15d585d723..762de2a10d 100644 --- a/src/soc/intel/common/block/cse/cse_lite.c +++ b/src/soc/intel/common/block/cse/cse_lite.c @@ -202,7 +202,8 @@ static bool cse_get_bp_info(struct get_bp_info_rsp *bp_info_rsp) size_t resp_size = sizeof(struct get_bp_info_rsp); - if (!heci_send_receive(&info_req, sizeof(info_req), bp_info_rsp, &resp_size)) { + if (!heci_send_receive(&info_req, sizeof(info_req), bp_info_rsp, &resp_size, + HECI_MKHI_ADDR)) { printk(BIOS_ERR, "cse_lite: Could not get partition info\n"); return false; } @@ -254,7 +255,8 @@ static bool cse_set_next_boot_partition(enum boot_partition_id bp) struct mkhi_hdr switch_resp; size_t sw_resp_sz = sizeof(struct mkhi_hdr); - if (!heci_send_receive(&switch_req, sizeof(switch_req), &switch_resp, &sw_resp_sz)) + if (!heci_send_receive(&switch_req, sizeof(switch_req), &switch_resp, &sw_resp_sz, + HECI_MKHI_ADDR)) return false; if (switch_resp.result) { @@ -291,7 +293,7 @@ static bool cse_data_clear_request(const struct cse_bp_info *cse_bp_info) size_t data_clr_rsp_sz = sizeof(data_clr_rsp); if (!heci_send_receive(&data_clr_rq, sizeof(data_clr_rq), &data_clr_rsp, - &data_clr_rsp_sz)) { + &data_clr_rsp_sz, HECI_MKHI_ADDR)) { return false; } diff --git a/src/soc/intel/common/block/include/intelblocks/cse.h b/src/soc/intel/common/block/include/intelblocks/cse.h index 153cb228da..9753798c15 100644 --- a/src/soc/intel/common/block/include/intelblocks/cse.h +++ b/src/soc/intel/common/block/include/intelblocks/cse.h @@ -130,29 +130,15 @@ enum csme_failure_reason { /* set up device for use in early boot enviroument with temp bar */ void heci_init(uintptr_t bar); -/* - * Receive message into buff not exceeding maxlen. Message is considered - * successfully received if a 'complete' indication is read from ME side - * and there was enough space in the buffer to fit that message. maxlen - * is updated with size of message that was received. Returns 0 on failure - * and 1 on success. - * In case of error heci_reset() may be requiered. - */ -int heci_receive(void *buff, size_t *maxlen); -/* - * Send message msg of size len to host from host_addr to cse_addr. - * Returns 1 on success and 0 otherwise. - * In case of error heci_reset() may be requiered. - */ -int -heci_send(const void *msg, size_t len, uint8_t host_addr, uint8_t cse_addr); /* + * Send message from BIOS_HOST_ADDR to cse_addr. * Sends snd_msg of size snd_sz, and reads message into buffer pointed by * rcv_msg of size rcv_sz * Returns 0 on failure and 1 on success. */ -int heci_send_receive(const void *snd_msg, size_t snd_sz, void *rcv_msg, size_t *rcv_sz); +int heci_send_receive(const void *snd_msg, size_t snd_sz, void *rcv_msg, size_t *rcv_sz, + uint8_t cse_addr); /* * Attempt device reset. This is useful and perhaps only thing left to do when |