sw/device/examples/demo_isp/simple_sc.c

/*
 * Copyright 2023 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "hw/top_matcha/sw/autogen/top_matcha.h"
#include "sw/device/lib/arch/device.h"
#include "sw/device/lib/dif/dif_smc_ctrl.h"
#include "sw/device/lib/dif/dif_uart.h"
#include "sw/device/lib/runtime/print.h"
#include "sw/device/lib/testing/test_framework/check.h"
#include "sw/device/lib/testing/test_framework/ottf_test_config.h"
#include "sw/device/lib/testing/test_framework/test_util.h"

#if defined(ISP_WRAPPER_IRQ)
#include "sw/device/tests/smc/smc_isp_wrapper_irq_test_fpga_nexus_bin_c.h"
#elif defined(ISP_WRAPPER_TPG_128_64)
#include "sw/device/tests/smc/smc_isp_wrapper_tpg_128_64_test_fpga_nexus_bin_c.h"
#elif defined(ISP_LIVE_CAM)
#include "sw/device/examples/demo_isp/isp_live_cam_test_smc_fpga_nexus_bin_c.h"
#endif

/*
 * Sample program to run some code on all cores in the system.
 * SC - Orchestrate the other cores, print status to UART.
 * SMC - Start ISP. Force 2 ISP interrupts.
 * ISP - Send 2 interrupts into SMC.
 */

OTTF_DEFINE_TEST_CONFIG();

static dif_smc_ctrl_t smc_ctrl;
static dif_uart_t uart;

void _ottf_main(void) {
  init_uart(TOP_MATCHA_UART0_BASE_ADDR, &uart);

  LOG_INFO("[SC] Demo app start from SC!");

  // Copy embedded binary to SMC RAM.
  memcpy((void *)TOP_MATCHA_RAM_SMC_BASE_ADDR, smc_bin, smc_bin_len);

  // Enable SMC.
  CHECK_DIF_OK(dif_smc_ctrl_init(
      mmio_region_from_addr(TOP_MATCHA_SMC_CTRL_BASE_ADDR), &smc_ctrl));
  CHECK_DIF_OK(dif_smc_ctrl_set_en(&smc_ctrl));

  LOG_INFO("[SC] Finished executing.");
  LOG_INFO("[SC] Check SMC messages!");
  asm volatile("wfi");
}