intel: common: Change how mailbox handles job id & buffer
This patch modifies several basic mailbox driver features to prepare for
FCS enablement:
- Job id management for asynchronous response
- SDM command buffer full
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I78168dfb6c521d70d9cba187356b7a3c8e9b62d2
diff --git a/plat/intel/soc/common/socfpga_sip_svc.c b/plat/intel/soc/common/socfpga_sip_svc.c
index 8588e93..d5789f2 100644
--- a/plat/intel/soc/common/socfpga_sip_svc.c
+++ b/plat/intel/soc/common/socfpga_sip_svc.c
@@ -14,30 +14,15 @@
#include "socfpga_reset_manager.h"
#include "socfpga_sip_svc.h"
-/* Number of SiP Calls implemented */
-#define SIP_NUM_CALLS 0x3
/* Total buffer the driver can hold */
#define FPGA_CONFIG_BUFFER_SIZE 4
-static int current_block;
-static int read_block;
-static int current_buffer;
-static int send_id;
-static int rcv_id;
-static int max_blocks;
-static uint32_t bytes_per_block;
-static uint32_t blocks_submitted;
-static int is_partial_reconfig;
+static int current_block, current_buffer;
+static int read_block, max_blocks, is_partial_reconfig;
+static uint32_t send_id, rcv_id;
+static uint32_t bytes_per_block, blocks_submitted;
-struct fpga_config_info {
- uint32_t addr;
- int size;
- int size_written;
- uint32_t write_requested;
- int subblocks_sent;
- int block_number;
-};
/* SiP Service UUID */
DEFINE_SVC_UUID2(intl_svc_uid,
@@ -74,9 +59,8 @@
args[2] = bytes_per_block;
buffer->size_written += args[2];
- mailbox_send_cmd_async(send_id++ % MBOX_MAX_JOB_ID,
- MBOX_RECONFIG_DATA, args, 3,
- CMD_INDIRECT);
+ mailbox_send_cmd_async(&send_id, MBOX_RECONFIG_DATA, args,
+ 3, CMD_INDIRECT);
buffer->subblocks_sent++;
max_blocks--;
@@ -142,7 +126,7 @@
}
static int intel_fpga_config_completed_write(uint32_t *completed_addr,
- uint32_t *count)
+ uint32_t *count, uint32_t *job_id)
{
uint32_t status = INTEL_SIP_SMC_STATUS_OK;
*count = 0;
@@ -152,14 +136,13 @@
while (*count < 3) {
- resp_len = mailbox_read_response(rcv_id % MBOX_MAX_JOB_ID,
+ resp_len = mailbox_read_response(job_id,
resp, ARRAY_SIZE(resp));
if (resp_len < 0)
break;
max_blocks++;
- rcv_id++;
if (mark_last_buffer_xfer_completed(
&completed_addr[*count]) == 0)
@@ -231,8 +214,6 @@
current_block = 0;
read_block = 0;
current_buffer = 0;
- send_id = 0;
- rcv_id = 0;
/* full reconfiguration */
if (!is_partial_reconfig) {
@@ -251,7 +232,7 @@
return true;
}
-static bool is_address_in_ddr_range(uint64_t addr, uint64_t size)
+bool is_address_in_ddr_range(uint64_t addr, uint64_t size)
{
if (size > (UINT64_MAX - addr))
return false;
@@ -440,11 +421,10 @@
void *handle,
u_register_t flags)
{
- uint32_t val = 0;
+ uint32_t retval = 0;
uint32_t status = INTEL_SIP_SMC_STATUS_OK;
uint32_t completed_addr[3];
uint64_t rsu_respbuf[9];
- uint32_t count = 0;
u_register_t x5, x6;
int mbox_status, len_in_resp;
@@ -474,8 +454,8 @@
case INTEL_SIP_SMC_FPGA_CONFIG_COMPLETED_WRITE:
status = intel_fpga_config_completed_write(completed_addr,
- &count);
- switch (count) {
+ &retval, &rcv_id);
+ switch (retval) {
case 1:
SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
completed_addr[0], 0, 0);
@@ -500,17 +480,17 @@
}
case INTEL_SIP_SMC_REG_READ:
- status = intel_secure_reg_read(x1, &val);
- SMC_RET3(handle, status, val, x1);
+ status = intel_secure_reg_read(x1, &retval);
+ SMC_RET3(handle, status, retval, x1);
case INTEL_SIP_SMC_REG_WRITE:
- status = intel_secure_reg_write(x1, (uint32_t)x2, &val);
- SMC_RET3(handle, status, val, x1);
+ status = intel_secure_reg_write(x1, (uint32_t)x2, &retval);
+ SMC_RET3(handle, status, retval, x1);
case INTEL_SIP_SMC_REG_UPDATE:
status = intel_secure_reg_update(x1, (uint32_t)x2,
- (uint32_t)x3, &val);
- SMC_RET3(handle, status, val, x1);
+ (uint32_t)x3, &retval);
+ SMC_RET3(handle, status, retval, x1);
case INTEL_SIP_SMC_RSU_STATUS:
status = intel_rsu_status(rsu_respbuf,
@@ -532,11 +512,11 @@
case INTEL_SIP_SMC_RSU_RETRY_COUNTER:
status = intel_rsu_retry_counter((uint32_t *)rsu_respbuf,
- ARRAY_SIZE(rsu_respbuf), &val);
+ ARRAY_SIZE(rsu_respbuf), &retval);
if (status) {
SMC_RET1(handle, status);
} else {
- SMC_RET2(handle, status, val);
+ SMC_RET2(handle, status, retval);
}
case INTEL_SIP_SMC_MBOX_SEND_CMD: