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src/rp2350/hardware_structs/include/hardware/structs/busctrl.h
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// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT
/**
* Copyright (c) 2024 Raspberry Pi Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef _HARDWARE_STRUCTS_BUSCTRL_H
#define _HARDWARE_STRUCTS_BUSCTRL_H
/**
* \file rp2350/busctrl.h
*/
#include "hardware/address_mapped.h"
#include "hardware/regs/busctrl.h"
// Reference to datasheet: https://datasheets.raspberrypi.com/rp2350/rp2350-datasheet.pdf#tab-registerlist_busctrl
//
// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature)
// _REG_(x) will link to the corresponding register in hardware/regs/busctrl.h.
//
// Bit-field descriptions are of the form:
// BITMASK [BITRANGE] FIELDNAME (RESETVALUE) DESCRIPTION
/** \brief Bus fabric performance counters on RP2350 (used as typedef \ref bus_ctrl_perf_counter_t)
* \ingroup hardware_busctrl
*/
typedef enum bus_ctrl_perf_counter_rp2350 {
arbiter_rom_perf_event_access = 19,
arbiter_rom_perf_event_access_contested = 18,
arbiter_xip_main_perf_event_access = 17,
arbiter_xip_main_perf_event_access_contested = 16,
arbiter_sram0_perf_event_access = 15,
arbiter_sram0_perf_event_access_contested = 14,
arbiter_sram1_perf_event_access = 13,
arbiter_sram1_perf_event_access_contested = 12,
arbiter_sram2_perf_event_access = 11,
arbiter_sram2_perf_event_access_contested = 10,
arbiter_sram3_perf_event_access = 9,
arbiter_sram3_perf_event_access_contested = 8,
arbiter_sram4_perf_event_access = 7,
arbiter_sram4_perf_event_access_contested = 6,
arbiter_sram5_perf_event_access = 5,
arbiter_sram5_perf_event_access_contested = 4,
arbiter_fastperi_perf_event_access = 3,
arbiter_fastperi_perf_event_access_contested = 2,
arbiter_apb_perf_event_access = 1,
arbiter_apb_perf_event_access_contested = 0
} bus_ctrl_perf_counter_t;
typedef struct {
_REG_(BUSCTRL_PERFCTR0_OFFSET) // BUSCTRL_PERFCTR0
// Bus fabric performance counter 0
// 0x00ffffff [23:0] PERFCTR0 (0x000000) Busfabric saturating performance counter 0 +
io_rw_32 value;
_REG_(BUSCTRL_PERFSEL0_OFFSET) // BUSCTRL_PERFSEL0
// Bus fabric performance event select for PERFCTR0
// 0x0000007f [6:0] PERFSEL0 (0x1f) Select an event for PERFCTR0
io_rw_32 sel;
} bus_ctrl_perf_hw_t;
typedef struct {
_REG_(BUSCTRL_BUS_PRIORITY_OFFSET) // BUSCTRL_BUS_PRIORITY
// Set the priority of each master for bus arbitration
// 0x00001000 [12] DMA_W (0) 0 - low priority, 1 - high priority
// 0x00000100 [8] DMA_R (0) 0 - low priority, 1 - high priority
// 0x00000010 [4] PROC1 (0) 0 - low priority, 1 - high priority
// 0x00000001 [0] PROC0 (0) 0 - low priority, 1 - high priority
io_rw_32 priority;
_REG_(BUSCTRL_BUS_PRIORITY_ACK_OFFSET) // BUSCTRL_BUS_PRIORITY_ACK
// Bus priority acknowledge
// 0x00000001 [0] BUS_PRIORITY_ACK (0) Goes to 1 once all arbiters have registered the new...
io_ro_32 priority_ack;
_REG_(BUSCTRL_PERFCTR_EN_OFFSET) // BUSCTRL_PERFCTR_EN
// Enable the performance counters
// 0x00000001 [0] PERFCTR_EN (0)
io_rw_32 perfctr_en;
bus_ctrl_perf_hw_t counter[4];
} busctrl_hw_t;
#define busctrl_hw ((busctrl_hw_t *)BUSCTRL_BASE)
static_assert(sizeof (busctrl_hw_t) == 0x002c, "");
#endif // _HARDWARE_STRUCTS_BUSCTRL_H
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