feat(intel): support version 2 SiP SVC SMC function ID for mailbox commands
A separated SMC function ID of mailbox command is introduced for the new format of SMC protocol. The new format of SMC procotol will be started using by Zephyr. Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com> Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com> Change-Id: I7996d5054f76c139b5ad55451c373f5669a1017f
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@ -113,6 +113,7 @@
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#define MBOX_WORD_BYTE 4U
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#define MBOX_RESP_BUFFER_SIZE 16
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#define MBOX_CMD_BUFFER_SIZE 32
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#define MBOX_INC_HEADER_MAX_WORD_SIZE 1024U
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/* Execution states for HPS_STAGE_NOTIFY */
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#define HPS_EXECUTION_STATE_FSBL 0
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@ -213,6 +214,8 @@ int mailbox_send_cmd(uint32_t job_id, uint32_t cmd, uint32_t *args,
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unsigned int *resp_len);
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int mailbox_send_cmd_async(uint32_t *job_id, uint32_t cmd, uint32_t *args,
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unsigned int len, unsigned int indirect);
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int mailbox_send_cmd_async_ext(uint32_t header_cmd, uint32_t *args,
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unsigned int len);
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int mailbox_read_response(uint32_t *job_id, uint32_t *response,
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unsigned int *resp_len);
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int mailbox_read_response_async(uint32_t *job_id, uint32_t *header,
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@ -24,6 +24,14 @@
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#define INTEL_SIP_SMC_CMD_V2_RANGE_BEGIN 0x400
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#define INTEL_SIP_SMC_CMD_V2_RANGE_END 0x4FF
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/* SiP V2 protocol header */
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#define INTEL_SIP_SMC_HEADER_JOB_ID_MASK 0xF
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#define INTEL_SIP_SMC_HEADER_JOB_ID_OFFSET 0U
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#define INTEL_SIP_SMC_HEADER_CID_MASK 0xF
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#define INTEL_SIP_SMC_HEADER_CID_OFFSET 4U
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#define INTEL_SIP_SMC_HEADER_VERSION_MASK 0xF
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#define INTEL_SIP_SMC_HEADER_VERSION_OFFSET 60U
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/* SMC SiP service function identifier for version 1 */
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/* FPGA Reconfig */
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@ -143,6 +151,10 @@
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#define INTEL_SIP_SMC_V2_REG_UPDATE 0xC2000403
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#define INTEL_SIP_SMC_V2_HPS_SET_BRIDGES 0xC2000404
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/* V2: Mailbox function identifier */
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#define INTEL_SIP_SMC_V2_MAILBOX_SEND_COMMAND 0xC2000420
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#define INTEL_SIP_SMC_V2_MAILBOX_POLL_RESPONSE 0xC2000421
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/* SMC function IDs for SiP Service queries */
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#define SIP_SVC_CALL_COUNT 0x8200ff00
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#define SIP_SVC_UID 0x8200ff01
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@ -236,7 +236,7 @@ int mailbox_read_response_async(unsigned int *job_id, uint32_t *header,
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/* copy response data to input buffer if applicable */
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ret_resp_len = MBOX_RESP_LEN(mailbox_resp_ctr.payload->header);
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if (ret_resp_len > 0 && response && resp_len) {
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if ((ret_resp_len > 0) && (response == NULL) && resp_len) {
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if (*resp_len > ret_resp_len) {
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*resp_len = ret_resp_len;
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}
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@ -385,6 +385,12 @@ int iterate_resp(uint32_t mbox_resp_len, uint32_t *resp_buf,
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return MBOX_RET_OK;
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}
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int mailbox_send_cmd_async_ext(uint32_t header_cmd, uint32_t *args,
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unsigned int len)
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{
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return fill_mailbox_circular_buffer(header_cmd, args, len);
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}
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int mailbox_send_cmd_async(uint32_t *job_id, uint32_t cmd, uint32_t *args,
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unsigned int len, unsigned int indirect)
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{
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@ -9,8 +9,119 @@
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#include <common/runtime_svc.h>
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#include <lib/mmio.h>
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#include "socfpga_mailbox.h"
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#include "socfpga_sip_svc.h"
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static uint32_t intel_v2_mbox_send_cmd(uint32_t req_header,
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uint32_t *data, uint32_t data_size)
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{
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uint32_t value;
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uint32_t len;
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if ((data == NULL) || (data_size == 0)) {
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return INTEL_SIP_SMC_STATUS_REJECTED;
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}
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if (data_size > (MBOX_INC_HEADER_MAX_WORD_SIZE * MBOX_WORD_BYTE)) {
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return INTEL_SIP_SMC_STATUS_REJECTED;
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}
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if (!is_size_4_bytes_aligned(data_size)) {
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return INTEL_SIP_SMC_STATUS_REJECTED;
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}
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/* Make sure client id align in SMC SiP V2 header and mailbox header */
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value = (req_header >> INTEL_SIP_SMC_HEADER_CID_OFFSET) &
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INTEL_SIP_SMC_HEADER_CID_MASK;
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if (value != MBOX_RESP_CLIENT_ID(data[0])) {
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return INTEL_SIP_SMC_STATUS_REJECTED;
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}
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/* Make sure job id align in SMC SiP V2 header and mailbox header */
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value = (req_header >> INTEL_SIP_SMC_HEADER_JOB_ID_OFFSET) &
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INTEL_SIP_SMC_HEADER_JOB_ID_MASK;
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if (value != MBOX_RESP_JOB_ID(data[0])) {
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return INTEL_SIP_SMC_STATUS_REJECTED;
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}
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/*
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* Make sure data length align in SMC SiP V2 header and
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* mailbox header
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*/
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len = (data_size / MBOX_WORD_BYTE) - 1;
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if (len != MBOX_RESP_LEN(data[0])) {
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return INTEL_SIP_SMC_STATUS_REJECTED;
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}
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return mailbox_send_cmd_async_ext(data[0], &data[1], len);
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}
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static uint32_t intel_v2_mbox_poll_resp(uint64_t req_header,
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uint32_t *data, uint32_t *data_size,
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uint64_t *resp_header)
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{
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int status = 0;
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uint32_t resp_len;
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uint32_t job_id = 0;
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uint32_t client_id = 0;
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uint32_t version;
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if ((data == NULL) || (data_size == NULL) || (resp_header == NULL)) {
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return INTEL_SIP_SMC_STATUS_REJECTED;
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}
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if (!is_size_4_bytes_aligned(*data_size)) {
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return INTEL_SIP_SMC_STATUS_REJECTED;
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}
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resp_len = (*data_size / MBOX_WORD_BYTE) - 1;
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status = mailbox_read_response_async(&job_id, &data[0], &data[1],
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&resp_len, 1);
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if (status == MBOX_BUSY) {
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status = INTEL_SIP_SMC_STATUS_BUSY;
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} else if (status == MBOX_NO_RESPONSE) {
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status = INTEL_SIP_SMC_STATUS_NO_RESPONSE;
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} else {
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*data_size = 0;
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if (resp_len > 0) {
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/*
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* Fill in the final response length,
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* the length include both mailbox header and payload
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*/
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*data_size = (resp_len + 1) * MBOX_WORD_BYTE;
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/* Extract the client id from mailbox header */
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client_id = MBOX_RESP_CLIENT_ID(data[0]);
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}
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/*
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* Extract SMC SiP V2 protocol version from
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* SMC request header
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*/
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version = (req_header >> INTEL_SIP_SMC_HEADER_VERSION_OFFSET) &
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INTEL_SIP_SMC_HEADER_VERSION_MASK;
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/* Fill in SMC SiP V2 protocol response header */
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*resp_header = 0;
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*resp_header |= (((uint64_t)job_id) &
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INTEL_SIP_SMC_HEADER_JOB_ID_MASK) <<
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INTEL_SIP_SMC_HEADER_JOB_ID_OFFSET;
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*resp_header |= (((uint64_t)client_id) &
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INTEL_SIP_SMC_HEADER_CID_MASK) <<
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INTEL_SIP_SMC_HEADER_CID_OFFSET;
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*resp_header |= (((uint64_t)version) &
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INTEL_SIP_SMC_HEADER_VERSION_MASK) <<
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INTEL_SIP_SMC_HEADER_VERSION_OFFSET;
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}
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return status;
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}
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uintptr_t sip_smc_handler_v2(uint32_t smc_fid,
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u_register_t x1,
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u_register_t x2,
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@ -21,6 +132,7 @@ uintptr_t sip_smc_handler_v2(uint32_t smc_fid,
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u_register_t flags)
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{
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uint32_t retval = 0;
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uint64_t retval64 = 0;
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int status = INTEL_SIP_SMC_STATUS_OK;
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switch (smc_fid) {
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@ -46,6 +158,15 @@ uintptr_t sip_smc_handler_v2(uint32_t smc_fid,
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status = intel_hps_set_bridges(x2, x3);
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SMC_RET2(handle, status, x1);
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case INTEL_SIP_SMC_V2_MAILBOX_SEND_COMMAND:
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status = intel_v2_mbox_send_cmd(x1, (uint32_t *)x2, x3);
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SMC_RET2(handle, status, x1);
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case INTEL_SIP_SMC_V2_MAILBOX_POLL_RESPONSE:
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status = intel_v2_mbox_poll_resp(x1, (uint32_t *)x2,
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(uint32_t *) &x3, &retval64);
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SMC_RET4(handle, status, retval64, x2, x3);
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default:
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ERROR("%s: unhandled SMC V2 (0x%x)\n", __func__, smc_fid);
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SMC_RET1(handle, SMC_UNK);
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