dt_sysrst_ctrl.c

Go to the documentation of this file.

// Copyright lowRISC contributors (OpenTitan project).
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
//
// Device table API auto-generated by `dtgen`
 
/**
 * @file
 * @brief Device Tables (DT) for IP sysrst_ctrl and top earlgrey.
 */
 
#include "dt/dt_sysrst_ctrl.h"
 
 
 
/**
 * Description of instances.
 */
typedef struct dt_desc_sysrst_ctrl {
  dt_instance_id_t inst_id; /**< Instance ID */
  uint32_t base_addr[kDtSysrstCtrlRegBlockCount]; /**< Base address of each register block */
  /**
   * PLIC ID of the first IRQ of this instance
   * 
   * This can be `kDtPlicIrqIdNone` if the block is not connected to the PLIC.
   */
  top_earlgrey_plic_irq_id_t first_irq;
  /**
   * Alert ID of the first Alert of this instance.
   * 
   * This value is undefined if the block is not connected to the Alert Handler.
   */
  top_earlgrey_alert_id_t first_alert;
  dt_clock_t clock[kDtSysrstCtrlClockCount]; /**< Clock signal connected to each clock port */
  dt_reset_t reset[kDtSysrstCtrlResetCount]; /**< Reset signal connected to each reset port */
  dt_periph_io_t periph_io[kDtSysrstCtrlPeriphIoCount]; /**< Description of each peripheral I/O */
} dt_desc_sysrst_ctrl_t;
 
 
 
 
static const dt_desc_sysrst_ctrl_t sysrst_ctrl_desc[kDtSysrstCtrlCount] = {
  [kDtSysrstCtrlAon] = {
    .inst_id = kDtInstanceIdSysrstCtrlAon,
    .base_addr = {
      [kDtSysrstCtrlRegBlockCore] = 0x40430000,
    },
    .first_irq = kTopEarlgreyPlicIrqIdSysrstCtrlAonEventDetected,
    .first_alert = kTopEarlgreyAlertIdSysrstCtrlAonFatalFault,
    .clock = {
      [kDtSysrstCtrlClockClk] = kDtClockIoDiv4,
      [kDtSysrstCtrlClockAon] = kDtClockAon,
    },
    .reset = {
      [kDtSysrstCtrlResetRst] = kDtResetLcIoDiv4,
      [kDtSysrstCtrlResetAon] = kDtResetLcAon,
    },
    .periph_io = {
      [kDtSysrstCtrlPeriphIoAcPresent] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirIn,
          .periph_input_or_direct_pad = kTopEarlgreyPinmuxPeripheralInSysrstCtrlAonAcPresent,
          .outsel_or_dt_pad = 0,
        },
      },
      [kDtSysrstCtrlPeriphIoKey0In] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirIn,
          .periph_input_or_direct_pad = kTopEarlgreyPinmuxPeripheralInSysrstCtrlAonKey0In,
          .outsel_or_dt_pad = 0,
        },
      },
      [kDtSysrstCtrlPeriphIoKey1In] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirIn,
          .periph_input_or_direct_pad = kTopEarlgreyPinmuxPeripheralInSysrstCtrlAonKey1In,
          .outsel_or_dt_pad = 0,
        },
      },
      [kDtSysrstCtrlPeriphIoKey2In] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirIn,
          .periph_input_or_direct_pad = kTopEarlgreyPinmuxPeripheralInSysrstCtrlAonKey2In,
          .outsel_or_dt_pad = 0,
        },
      },
      [kDtSysrstCtrlPeriphIoPwrbIn] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirIn,
          .periph_input_or_direct_pad = kTopEarlgreyPinmuxPeripheralInSysrstCtrlAonPwrbIn,
          .outsel_or_dt_pad = 0,
        },
      },
      [kDtSysrstCtrlPeriphIoLidOpen] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirIn,
          .periph_input_or_direct_pad = kTopEarlgreyPinmuxPeripheralInSysrstCtrlAonLidOpen,
          .outsel_or_dt_pad = 0,
        },
      },
      [kDtSysrstCtrlPeriphIoBatDisable] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirOut,
          .periph_input_or_direct_pad = 0,
          .outsel_or_dt_pad = kTopEarlgreyPinmuxOutselSysrstCtrlAonBatDisable,
        },
      },
      [kDtSysrstCtrlPeriphIoKey0Out] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirOut,
          .periph_input_or_direct_pad = 0,
          .outsel_or_dt_pad = kTopEarlgreyPinmuxOutselSysrstCtrlAonKey0Out,
        },
      },
      [kDtSysrstCtrlPeriphIoKey1Out] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirOut,
          .periph_input_or_direct_pad = 0,
          .outsel_or_dt_pad = kTopEarlgreyPinmuxOutselSysrstCtrlAonKey1Out,
        },
      },
      [kDtSysrstCtrlPeriphIoKey2Out] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirOut,
          .periph_input_or_direct_pad = 0,
          .outsel_or_dt_pad = kTopEarlgreyPinmuxOutselSysrstCtrlAonKey2Out,
        },
      },
      [kDtSysrstCtrlPeriphIoPwrbOut] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirOut,
          .periph_input_or_direct_pad = 0,
          .outsel_or_dt_pad = kTopEarlgreyPinmuxOutselSysrstCtrlAonPwrbOut,
        },
      },
      [kDtSysrstCtrlPeriphIoZ3Wakeup] = {
        .__internal = {
          .type = kDtPeriphIoTypeMio,
          .dir = kDtPeriphIoDirOut,
          .periph_input_or_direct_pad = 0,
          .outsel_or_dt_pad = kTopEarlgreyPinmuxOutselSysrstCtrlAonZ3Wakeup,
        },
      },
      [kDtSysrstCtrlPeriphIoEcRstL] = {
        .__internal = {
          .type = kDtPeriphIoTypeDio,
          .dir = kDtPeriphIoDirInout,
          .periph_input_or_direct_pad = kTopEarlgreyDirectPadsSysrstCtrlAonEcRstL,
          .outsel_or_dt_pad = kDtPadSysrstCtrlAonEcRstL,
        },
      },
      [kDtSysrstCtrlPeriphIoFlashWpL] = {
        .__internal = {
          .type = kDtPeriphIoTypeDio,
          .dir = kDtPeriphIoDirInout,
          .periph_input_or_direct_pad = kTopEarlgreyDirectPadsSysrstCtrlAonFlashWpL,
          .outsel_or_dt_pad = kDtPadSysrstCtrlAonFlashWpL,
        },
      },
    },
  },
};
 
/**
 * Return a pointer to the `dt_sysrst_ctrl_desc_t` structure of the requested
 * `dt` if it's a valid index. Otherwise, this macro will `return` (i.e. exit
 * the function) with the provided default value.
 */
#define TRY_GET_DT(dt, default)   ({     if ((dt) < (dt_sysrst_ctrl_t)0 || (dt) >= kDtSysrstCtrlCount)       return (default);     &sysrst_ctrl_desc[dt];   })
 
dt_sysrst_ctrl_t dt_sysrst_ctrl_from_instance_id(dt_instance_id_t inst_id) {
  if (inst_id >= kDtInstanceIdSysrstCtrlAon && inst_id <= kDtInstanceIdSysrstCtrlAon) {
    return (dt_sysrst_ctrl_t)(inst_id - kDtInstanceIdSysrstCtrlAon);
  }
  return (dt_sysrst_ctrl_t)0;
}
 
dt_instance_id_t dt_sysrst_ctrl_instance_id(
    dt_sysrst_ctrl_t dt) {
  return TRY_GET_DT(dt, kDtInstanceIdUnknown)->inst_id;
}
 
uint32_t dt_sysrst_ctrl_reg_block(
    dt_sysrst_ctrl_t dt,
    dt_sysrst_ctrl_reg_block_t reg_block) {
  // Return a recognizable address in case of wrong argument.
  return TRY_GET_DT(dt, 0xdeadbeef)->base_addr[reg_block];
}
 
dt_plic_irq_id_t dt_sysrst_ctrl_irq_to_plic_id(
    dt_sysrst_ctrl_t dt,
    dt_sysrst_ctrl_irq_t irq) {
  dt_plic_irq_id_t first_irq = TRY_GET_DT(dt, kDtPlicIrqIdNone)->first_irq;
  if (first_irq == kDtPlicIrqIdNone) {
    return kDtPlicIrqIdNone;
  }
  return (dt_plic_irq_id_t)((uint32_t)first_irq + (uint32_t)irq);
}
 
dt_sysrst_ctrl_irq_t dt_sysrst_ctrl_irq_from_plic_id(
    dt_sysrst_ctrl_t dt,
    dt_plic_irq_id_t irq) {
  dt_sysrst_ctrl_irq_t count = kDtSysrstCtrlIrqCount;
  dt_plic_irq_id_t first_irq = TRY_GET_DT(dt, count)->first_irq;
  if (first_irq == kDtPlicIrqIdNone) {
    return count;
  }
  if (irq < first_irq || irq >= first_irq + (dt_plic_irq_id_t)count) {
    return count;
  }
  return (dt_sysrst_ctrl_irq_t)(irq - first_irq);
}
 
 
dt_alert_id_t dt_sysrst_ctrl_alert_to_alert_id(
    dt_sysrst_ctrl_t dt,
    dt_sysrst_ctrl_alert_t alert) {
  return (dt_alert_id_t)((uint32_t)sysrst_ctrl_desc[dt].first_alert + (uint32_t)alert);
}
 
dt_sysrst_ctrl_alert_t dt_sysrst_ctrl_alert_from_alert_id(
    dt_sysrst_ctrl_t dt,
    dt_alert_id_t alert) {
  dt_sysrst_ctrl_alert_t count = kDtSysrstCtrlAlertCount;
  if (alert < sysrst_ctrl_desc[dt].first_alert || alert >= sysrst_ctrl_desc[dt].first_alert + (dt_alert_id_t)count) {
    return count;
  }
  return (dt_sysrst_ctrl_alert_t)(alert - sysrst_ctrl_desc[dt].first_alert);
}
 
 
dt_periph_io_t dt_sysrst_ctrl_periph_io(
    dt_sysrst_ctrl_t dt,
    dt_sysrst_ctrl_periph_io_t sig) {
  // Return a harmless value in case of wrong argument.
  return TRY_GET_DT(dt, kDtPeriphIoConstantHighZ)->periph_io[sig];
}
 
dt_clock_t dt_sysrst_ctrl_clock(
    dt_sysrst_ctrl_t dt,
    dt_sysrst_ctrl_clock_t clk) {
  // Return the first clock in case of invalid argument.
  return TRY_GET_DT(dt, (dt_clock_t)0)->clock[clk];
}
 
dt_reset_t dt_sysrst_ctrl_reset(
    dt_sysrst_ctrl_t dt,
    dt_sysrst_ctrl_reset_t rst) {
  const dt_sysrst_ctrl_reset_t count = kDtSysrstCtrlResetCount;
  if (rst >= count) {
    return kDtResetUnknown;
  }
  return TRY_GET_DT(dt, kDtResetUnknown)->reset[rst];
}