[PATCH v3] bsp/aarch64: Add new Raspberry Pi 4B BSP

Noor Aman nooraman5718 at gmail.com
Tue Oct 4 21:41:19 UTC 2022


hey all,
I've fixed the warning and edited the commit message to be more specific
and to be in 80 words char limit.

Thanks,
Noor

On Tue, 4 Oct 2022 at 16:08, Mohd Noor Aman <nooraman5718 at gmail.com> wrote:

> This patch adds new Raspberry pi 4B AArch64 BSP to the RTEMS Family.
> Currently
> only LP64 ABI is supported. ILP32 is not supported. RAM starts from
> 0x80000 in
> 64Bit kernel mode and MMU from 0x0. All Raspberrypi Pi 4B models and
> Raspberry
> Pi 400 are supported. All the IRQs are similiar to the older Raspberry pi
> 2 ARM
> BSP.
>
> Raspberry Pi 4B has 2 types of UARTs. Only PL011 serial is supported
> currently.
> Mini-UART is not supported. Mini-UART is default UART on the board so it
> needs
> to be disabled by adding "dtoverlay=disable-bt" to the config.txt. No
> support
> for additional 4 PL011-UARTs on the board.
>
> The raspberrypi.h includes many of the address required for the future
> development of the RPi 4B BSP. This includes peripherals, ARM Timer,
> VideoCore
> Timer, Watchdog, Mailbox, AUX, FIQs and IRQs.
> ---
>  bsps/aarch64/raspberrypi/console/console.c    |  69 +++
>  bsps/aarch64/raspberrypi/include/bsp.h        |  76 +++
>  bsps/aarch64/raspberrypi/include/bsp/irq.h    | 109 ++++
>  .../raspberrypi/include/bsp/raspberrypi.h     | 471 ++++++++++++++++++
>  bsps/aarch64/raspberrypi/include/tm27.h       |  46 ++
>  bsps/aarch64/raspberrypi/start/bspstart.c     |  49 ++
>  .../aarch64/raspberrypi/start/bspstarthooks.c |  53 ++
>  bsps/aarch64/raspberrypi/start/bspstartmmu.c  |  84 ++++
>  spec/build/bsps/aarch64/raspberrypi/abi.yml   |  21 +
>  .../aarch64/raspberrypi/bspraspberrypi4.yml   |  81 +++
>  .../bsps/aarch64/raspberrypi/linkercmds.yml   |  76 +++
>  11 files changed, 1135 insertions(+)
>  create mode 100644 bsps/aarch64/raspberrypi/console/console.c
>  create mode 100644 bsps/aarch64/raspberrypi/include/bsp.h
>  create mode 100644 bsps/aarch64/raspberrypi/include/bsp/irq.h
>  create mode 100644 bsps/aarch64/raspberrypi/include/bsp/raspberrypi.h
>  create mode 100644 bsps/aarch64/raspberrypi/include/tm27.h
>  create mode 100644 bsps/aarch64/raspberrypi/start/bspstart.c
>  create mode 100644 bsps/aarch64/raspberrypi/start/bspstarthooks.c
>  create mode 100644 bsps/aarch64/raspberrypi/start/bspstartmmu.c
>  create mode 100644 spec/build/bsps/aarch64/raspberrypi/abi.yml
>  create mode 100644 spec/build/bsps/aarch64/raspberrypi/bspraspberrypi4.yml
>  create mode 100644 spec/build/bsps/aarch64/raspberrypi/linkercmds.yml
>
> diff --git a/bsps/aarch64/raspberrypi/console/console.c
> b/bsps/aarch64/raspberrypi/console/console.c
> new file mode 100644
> index 0000000000..73bb0036ff
> --- /dev/null
> +++ b/bsps/aarch64/raspberrypi/console/console.c
> @@ -0,0 +1,69 @@
> +/* SPDX-License-Identifier: BSD-2-Clause */
> +
> +/**
> + * @file
> + *
> + * @ingroup RTEMSBSPsAArch64Raspberrypi4
> + *
> + * @brief Console Configuration
> + */
> +
> +/*
> + * Copyright (C) 2022 Mohd Noor Aman
> + *
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + * 1. Redistributions of source code must retain the above copyright
> + *    notice, this list of conditions and the following disclaimer.
> + * 2. Redistributions in binary form must reproduce the above copyright
> + *    notice, this list of conditions and the following disclaimer in the
> + *    documentation and/or other materials provided with the distribution.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> "AS IS"
> + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
> THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
> BE
> + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
> BUSINESS
> + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
> THE
> + * POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#include <rtems/bspIo.h>
> +
> +#include <bsp.h>
> +#include <dev/serial/arm-pl011.h>
> +#include <bsp/console-termios.h>
> +
> +#include <bspopts.h>
> +
> +arm_pl011_context raspberrypi_4_context = {
> +  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("PL011"),
> +  .regs = (volatile pl011 *) BSP_RPI4_PL011_BASE,
> +  .initial_baud = 115200
> +};
> +
> +const console_device console_device_table[] = {
> +  {
> +    .device_file = "/dev/ttyS0",
> +    .probe = console_device_probe_default,
> +    .handler = &arm_pl011_fns,
> +    .context = &raspberrypi_4_context.base
> +  }
> +};
> +
> +const size_t console_device_count =
> RTEMS_ARRAY_SIZE(console_device_table);
> +
> +static void output_char( char c )
> +{
> +  arm_pl011_write_polled(&raspberrypi_4_context.base, c);
> +}
> +
> +BSP_output_char_function_type BSP_output_char = output_char;
> +
> +BSP_polling_getchar_function_type BSP_poll_char = NULL;
> diff --git a/bsps/aarch64/raspberrypi/include/bsp.h
> b/bsps/aarch64/raspberrypi/include/bsp.h
> new file mode 100644
> index 0000000000..4fa81edd40
> --- /dev/null
> +++ b/bsps/aarch64/raspberrypi/include/bsp.h
> @@ -0,0 +1,76 @@
> +/* SPDX-License-Identifier: BSD-2-Clause */
> +
> +/**
> + * @file
> + *
> + * @ingroup RTEMSBSPsAArch64Raspberrypi4
> + *
> + * @brief Core BSP definitions
> + */
> +
> +/*
> + * Copyright (C) 2022 Mohd Noor Aman
> + *
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + * 1. Redistributions of source code must retain the above copyright
> + *    notice, this list of conditions and the following disclaimer.
> + * 2. Redistributions in binary form must reproduce the above copyright
> + *    notice, this list of conditions and the following disclaimer in the
> + *    documentation and/or other materials provided with the distribution.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> "AS IS"
> + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
> THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
> BE
> + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
> BUSINESS
> + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
> THE
> + * POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#ifndef LIBBSP_AARCH64_RASPBERRYPI_4_BSP_H
> +#define LIBBSP_AARCH64_RASPBERRYPI_4_BSP_H
> +
> +/**
> + * @addtogroup RTEMSBSPsAArch64
> + *
> + * @{
> + */
> +
> +#include <bspopts.h>
> +
> +#ifndef ASM
> +
> +#include <bsp/default-initial-extension.h>
> +#include <bsp/start.h>
> +
> +#include <rtems.h>
> +
> +/*Raspberry pi MMU initialization */
> +BSP_START_TEXT_SECTION void raspberrypi_4_setup_mmu_and_cache(void);
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif /* __cplusplus */
> +
> +#define BSP_ARM_GIC_CPUIF_BASE 0xFF842000
> +#define BSP_ARM_GIC_DIST_BASE 0xFF841000
> +
> +#define BSP_RPI4_PL011_BASE 0xFE201000
> +#define BSP_RPI4_PL011_LENGTH 0x200
> +
> +#ifdef __cplusplus
> +}
> +#endif /* __cplusplus */
> +
> +#endif /* ASM */
> +
> +/** @} */
> +
> +#endif /* LIBBSP_AARCH64_RASPBERRYPI_4_BSP_H */
> diff --git a/bsps/aarch64/raspberrypi/include/bsp/irq.h
> b/bsps/aarch64/raspberrypi/include/bsp/irq.h
> new file mode 100644
> index 0000000000..effec1b040
> --- /dev/null
> +++ b/bsps/aarch64/raspberrypi/include/bsp/irq.h
> @@ -0,0 +1,109 @@
> +/**
> + * @file
> + *
> + * @ingroup raspberrypi_interrupt
> + *
> + * @brief Interrupt definitions.
> + */
> +
> +/**
> + * Copyright (c) 2013 Alan Cudmore
> + * Copyright (c) 2022 Mohd Noor Aman
> + *
> + *  The license and distribution terms for this file may be
> + *  found in the file LICENSE in this distribution or at
> + *
> + *  http://www.rtems.org/license/LICENSE
> + *
> + */
> +
> +#ifndef LIBBSP_ARM_RASPBERRYPI_IRQ_H
> +#define LIBBSP_ARM_RASPBERRYPI_IRQ_H
> +
> +#ifndef ASM
> +
> +#include <rtems.h>
> +#include <rtems/irq.h>
> +#include <rtems/irq-extension.h>
> +#include <dev/irq/arm-gic-irq.h>
> +
> +#if defined(RTEMS_SMP)
> +#include <rtems/score/processormask.h>
> +#endif
> +
> +/**
> + * @defgroup raspberrypi_interrupt Interrrupt Support
> + *
> + * @ingroup RTEMSBSPsARMRaspberryPi
> + *
> + * @brief Interrupt support.
> + */
> +
> +#define BCM2835_INTC_TOTAL_IRQ       (64 + 8)
> +
> +#define BCM2835_IRQ_SET1_MIN         0
> +#define BCM2835_IRQ_SET2_MIN         32
> +
> +#define BCM2835_IRQ_ID_GPU_TIMER_M0  0
> +#define BCM2835_IRQ_ID_GPU_TIMER_M1  1
> +#define BCM2835_IRQ_ID_GPU_TIMER_M2  2
> +#define BCM2835_IRQ_ID_GPU_TIMER_M3  3
> +
> +#define BCM2835_IRQ_ID_USB           9
> +#define BCM2835_IRQ_ID_AUX           29
> +#define BCM2835_IRQ_ID_SPI_SLAVE     43
> +#define BCM2835_IRQ_ID_PWA0          45
> +#define BCM2835_IRQ_ID_PWA1          46
> +#define BCM2835_IRQ_ID_SMI           48
> +#define BCM2835_IRQ_ID_GPIO_0        49
> +#define BCM2835_IRQ_ID_GPIO_1        50
> +#define BCM2835_IRQ_ID_GPIO_2        51
> +#define BCM2835_IRQ_ID_GPIO_3        52
> +#define BCM2835_IRQ_ID_I2C           53
> +#define BCM2835_IRQ_ID_SPI           54
> +#define BCM2835_IRQ_ID_PCM           55
> +#define BCM2835_IRQ_ID_UART          57
> +#define BCM2835_IRQ_ID_SD            62
> +
> +#define BCM2835_IRQ_ID_BASIC_BASE_ID 64
> +#define BCM2835_IRQ_ID_TIMER_0       64
> +#define BCM2835_IRQ_ID_MAILBOX_0     65
> +#define BCM2835_IRQ_ID_DOORBELL_0    66
> +#define BCM2835_IRQ_ID_DOORBELL_1    67
> +#define BCM2835_IRQ_ID_GPU0_HALTED   68
> +#define BCM2835_IRQ_ID_GPU1_HALTED   69
> +#define BCM2835_IRQ_ID_ILL_ACCESS_1  70
> +#define BCM2835_IRQ_ID_ILL_ACCESS_0  71
> +#define BSP_TIMER_VIRT_PPI 27
> +#define BSP_TIMER_PHYS_NS_PPI 30
> +#define BSP_VPL011_SPI 32
> +
> +#define BSP_INTERRUPT_VECTOR_COUNT    BCM2835_INTC_TOTAL_IRQ
> +#define BSP_INTERRUPT_VECTOR_INVALID (UINT32_MAX)
> +
> +#define BSP_IRQ_COUNT               (BCM2835_INTC_TOTAL_IRQ)
> +
> +#if defined(RTEMS_SMP)
> +static inline rtems_status_code bsp_interrupt_set_affinity(
> +  rtems_vector_number   vector,
> +  const Processor_mask *affinity
> +)
> +{
> +  (void) vector;
> +  (void) affinity;
> +  return RTEMS_UNSATISFIED;
> +}
> +
> +static inline rtems_status_code bsp_interrupt_get_affinity(
> +  rtems_vector_number  vector,
> +  Processor_mask      *affinity
> +)
> +{
> +  (void) vector;
> +  _Processor_mask_From_index( affinity, 0 );
> +  return RTEMS_UNSATISFIED;
> +}
> +#endif
> +
> +#endif /* ASM */
> +#endif /* LIBBSP_ARM_RASPBERRYPI_IRQ_H */
> diff --git a/bsps/aarch64/raspberrypi/include/bsp/raspberrypi.h
> b/bsps/aarch64/raspberrypi/include/bsp/raspberrypi.h
> new file mode 100644
> index 0000000000..f148e8df6c
> --- /dev/null
> +++ b/bsps/aarch64/raspberrypi/include/bsp/raspberrypi.h
> @@ -0,0 +1,471 @@
> +/**
> + * @file
> + *
> + * @ingroup raspberrypi_4_regs
> + *
> + * @brief Register definitions.
> + */
> +
> +/*
> + *  Copyright (c) 2022 Mohd Noor Aman
> + *
> + *  The license and distribution terms for this file may be
> + *  found in the file LICENSE in this distribution or at
> + *
> + *  http://www.rtems.org/license/LICENSE
> + *
> + */
> +
> +
> +#ifndef LIBBSP_AARCH64_RASPBERRYPI_RASPBERRYPI_4_H
> +#define LIBBSP_AARCH64_RASPBERRYPI_RASPBERRYPI_4_H
> +
> +
> +#include <bspopts.h>
> +#include <stdint.h>
> +#include <bsp/utility.h>
> +
> +
> +/**
> + * @defgroup raspberrypi_reg Register Definitions
> + *
> + * @ingroup RTEMSBSPsARMRaspberryPi
> + *
> + * @brief Register Definitions
> + *
> + * @{
> + */
> +
> +/**
> + * @name Register Macros
> + *
> + * @{
> + */
> +
> +#define BCM2711_REG(x)           (*(volatile uint64_t *)(x))
> +#define BCM2711_BIT(n)           (1 << (n))
> +
> +/** @} */
> +
> +/**
> + * @name Peripheral Base Register Address
> + *
> + * @{
> + */
> +
> +#define RPI_PERIPHERAL_BASE         0xFE000000
> +#define BASE_OFFSET                 0xFE000000
> +#define RPI_PERIPHERAL_SIZE         0x01800000
> +
> +/**
> + * @name Bus to Physical address translation
> + *       Macro.
> + * @{
> + */
> +#define BUS_TO_PHY(x)            ((x) - BASE_OFFSET)
> +
> +/** @} */
> +
> +/**
> + * @name Internal ARM Timer Registers
> + *
> + * @{
> + */
> +
> +#define BCM2711_CLOCK_FREQ       250000000
> +
> +#define BCM2711_TIMER_BASE       (RPI_PERIPHERAL_BASE + 0xB400)
> +
> +#define BCM2711_TIMER_LOD        (BCM2711_TIMER_BASE + 0x00)
> +#define BCM2711_TIMER_VAL        (BCM2711_TIMER_BASE + 0x04)
> +#define BCM2711_TIMER_CTL        (BCM2711_TIMER_BASE + 0x08)
> +#define BCM2711_TIMER_CLI        (BCM2711_TIMER_BASE + 0x0C)
> +#define BCM2711_TIMER_RIS        (BCM2711_TIMER_BASE + 0x10)
> +#define BCM2711_TIMER_MIS        (BCM2711_TIMER_BASE + 0x14)
> +#define BCM2711_TIMER_RLD        (BCM2711_TIMER_BASE + 0x18)
> +#define BCM2711_TIMER_DIV        (BCM2711_TIMER_BASE + 0x1C)
> +#define BCM2711_TIMER_CNT        (BCM2711_TIMER_BASE + 0x20)
> +
> +#define BCM2711_TIMER_PRESCALE    0xF9
> +
> +/** @} */
> +
> +/**
> + * @name Power Management and Watchdog  Registers
> + *
> + * @{
> + */
> +
> +#define BCM2711_PM_PASSWD_MAGIC  0x5a000000
> +
> +#define BCM2711_PM_BASE          (RPI_PERIPHERAL_BASE + 0x100000)
> +
> +#define BCM2711_PM_GNRIC         (BCM2711_PM_BASE + 0x00)
> +#define BCM2711_PM_GNRIC_POWUP   0x00000001
> +#define BCM2711_PM_GNRIC_POWOK   0x00000002
> +#define BCM2711_PM_GNRIC_ISPOW   0x00000004
> +#define BCM2711_PM_GNRIC_MEMREP  0x00000008
> +#define BCM2711_PM_GNRIC_MRDONE  0x00000010
> +#define BCM2711_PM_GNRIC_ISFUNC  0x00000020
> +#define BCM2711_PM_GNRIC_RSTN    0x00000fc0
> +#define BCM2711_PM_GNRIC_ENAB    0x00001000
> +#define BCM2711_PM_GNRIC_CFG     0x007f0000
> +
> +#define BCM2711_PM_AUDIO         (BCM2711_PM_BASE + 0x04)
> +#define BCM2711_PM_AUDIO_APSM    0x000fffff
> +#define BCM2711_PM_AUDIO_CTRLEN  0x00100000
> +#define BCM2711_PM_AUDIO_RSTN    0x00200000
> +
> +#define BCM2711_PM_STATUS        (BCM2711_PM_BASE + 0x18)
> +
> +#define BCM2711_PM_RSTC          (BCM2711_PM_BASE + 0x1c)
> +#define BCM2711_PM_RSTC_DRCFG    0x00000003
> +#define BCM2711_PM_RSTC_WRCFG    0x00000030
> +#define BCM2711_PM_RSTC_WRCFG_FULL   0x00000020
> +#define BCM2711_PM_RSTC_SRCFG    0x00000300
> +#define BCM2711_PM_RSTC_QRCFG    0x00003000
> +#define BCM2711_PM_RSTC_FRCFG    0x00030000
> +#define BCM2711_PM_RSTC_HRCFG    0x00300000
> +
> +#define BCM2711_PM_RSTS          (BCM2711_PM_BASE + 0x20)
> +#define BCM2711_PM_RSTS_HADDRQ   0x00000001
> +#define BCM2711_PM_RSTS_HADDRF   0x00000002
> +#define BCM2711_PM_RSTS_HADDRH   0x00000004
> +#define BCM2711_PM_RSTS_HADWRQ   0x00000010
> +#define BCM2711_PM_RSTS_HADWRF   0x0000002
> +#define BCM2711_PM_RSTS_HADWRH   0x00000040
> +#define BCM2711_PM_RSTS_HADSRQ   0x00000100
> +#define BCM2711_PM_RSTS_HADSRF   0x00000200
> +#define BCM2711_PM_RSTS_HADSRH   0x00000400
> +#define BCM2711_PM_RSTS_HADPOR   0x00001000
> +
> +#define BCM2711_PM_WDOG          (BCM2711_PM_BASE + 0x24)
> +
> +/** @} */
> +
> +
> +/** @} */
> +
> +/**
> + * @name AUX Registers
> + *
> + * @{
> + */
> +
> +#define BCM2711_AUX_BASE         (RPI_PERIPHERAL_BASE + 0x215000)
> +
> +#define AUX_ENABLES              (BCM2711_AUX_BASE + 0x04)
> +#define AUX_MU_IO_REG            (BCM2711_AUX_BASE + 0x40)
> +#define AUX_MU_IER_REG           (BCM2711_AUX_BASE + 0x44)
> +#define AUX_MU_IIR_REG           (BCM2711_AUX_BASE + 0x48)
> +#define AUX_MU_LCR_REG           (BCM2711_AUX_BASE + 0x4C)
> +#define AUX_MU_MCR_REG           (BCM2711_AUX_BASE + 0x50)
> +#define AUX_MU_LSR_REG           (BCM2711_AUX_BASE + 0x54)
> +#define AUX_MU_MSR_REG           (BCM2711_AUX_BASE + 0x58)
> +#define AUX_MU_SCRATCH           (BCM2711_AUX_BASE + 0x5C)
> +#define AUX_MU_CNTL_REG          (BCM2711_AUX_BASE + 0x60)
> +#define AUX_MU_STAT_REG          (BCM2711_AUX_BASE + 0x64)
> +#define AUX_MU_BAUD_REG          (BCM2711_AUX_BASE + 0x68)
> +
> +/** @} */
> +
> +
> +
> +/** @} */
> +
> +/**
> + * @name GPU Timer Registers
> + *
> + * @{
> + */
> +
> +/**
> + * NOTE: The GPU uses Compare registers 0 and 2 for
> + *       it's own RTOS. 1 and 3 are available for use in
> + *       RTEMS.
> + */
> +#define BCM2711_GPU_TIMER_BASE       (RPI_PERIPHERAL_BASE + 0x3000)
> +
> +#define BCM2711_GPU_TIMER_CS         (BCM2711_GPU_TIMER_BASE + 0x00)
> +#define BCM2711_GPU_TIMER_CS_M0      0x00000001
> +#define BCM2711_GPU_TIMER_CS_M1      0x00000002
> +#define BCM2711_GPU_TIMER_CS_M2      0x00000004
> +#define BCM2711_GPU_TIMER_CS_M3      0x00000008
> +#define BCM2711_GPU_TIMER_CLO        (BCM2711_GPU_TIMER_BASE + 0x04)
> +#define BCM2711_GPU_TIMER_CHI        (BCM2711_GPU_TIMER_BASE + 0x08)
> +#define BCM2711_GPU_TIMER_C0         (BCM2711_GPU_TIMER_BASE + 0x0C)
> +#define BCM2711_GPU_TIMER_C1         (BCM2711_GPU_TIMER_BASE + 0x10)
> +#define BCM2711_GPU_TIMER_C2         (BCM2711_GPU_TIMER_BASE + 0x14)
> +#define BCM2711_GPU_TIMER_C3         (BCM2711_GPU_TIMER_BASE + 0x18)
> +
> +/** @} */
> +
> +/**
> + * @name EMMC Registers
> + *
> + * @{
> + */
> +
> +/**
> + * NOTE: Since the SD controller follows the SDHCI standard,
> + *       the rtems-libbsd tree already provides the remaining registers.
> + */
> +
> +#define BCM2711_EMMC_BASE           (RPI_PERIPHERAL_BASE + 0x300000)
> +
> +/** @} */
> +
> +/**
> +* @name Mailbox Registers
> +*
> +* @{
> +*/
> +
> +#define BCM2711_MBOX_BASE          (RPI_PERIPHERAL_BASE+0xB880)
> +
> +#define BCM2711_MBOX_READ          (BCM2711_MBOX_BASE+0x00)
> +#define BCM2711_MBOX_PEEK          (BCM2711_MBOX_BASE+0x10)
> +#define BCM2711_MBOX_SENDER        (BCM2711_MBOX_BASE+0x14)
> +#define BCM2711_MBOX_STATUS        (BCM2711_MBOX_BASE+0x18)
> +#define BCM2711_MBOX_WRITE         (BCM2711_MBOX_BASE+0x20)
> +#define BCM2711_MBOX_CONFIG        (BCM2711_MBOX_BASE+0x1C)
> +
> +#define BCM2711_MBOX_RESPONSE      0x80000000
> +#define BCM2711_MBOX_FULL          0x80000000
> +#define BCM2711_MBOX_EMPTY         0x40000000
> +
> +/** @} */
> +
> +/**
> +* @name Mailbox Channels
> +*
> +* @{
> +*/
> +
> +/* Power Manager channel */
> +#define BCM2711_MBOX_CHANNEL_PM         0
> +/* Framebuffer channel */
> +#define BCM2711_MBOX_CHANNEL_FB         1
> + /* Virtual UART channel */
> +#define BCM2711_MBOX_CHANNEL_VUART      2
> + /* VCHIQ channel */
> +#define BCM2711_MBOX_CHANNEL_VCHIQ      3
> + /* LEDs channel */
> +#define BCM2711_MBOX_CHANNEL_LED        4
> + /* Button channel */
> +#define BCM2711_MBOX_CHANNEL_BUTTON     5
> + /* Touch screen channel */
> +#define BCM2711_MBOX_CHANNEL_TOUCHS     6
> +
> +#define BCM2711_MBOX_CHANNEL_COUNT      7
> +/* Property tags (ARM <-> VC) channel */
> +#define BCM2711_MBOX_CHANNEL_PROP_AVC   8
> + /* Property tags (VC <-> ARM) channel */
> +#define BCM2711_MBOX_CHANNEL_PROP_VCA   9
> +
> +/** @} */
> +
> +
> +
> +/**
> + * @name Raspberry Pi 2 Interrupt Register Defines
> + *
> + * @{
> + */
> +
> +/* Timers interrupt control registers */
> +#define BCM2711_CORE0_TIMER_IRQ_CTRL_BASE       0xFF800040
> +#define BCM2711_CORE1_TIMER_IRQ_CTRL_BASE       0xFF800044
> +#define BCM2711_CORE2_TIMER_IRQ_CTRL_BASE       0xFF800048
> +#define BCM2711_CORE3_TIMER_IRQ_CTRL_BASE       0xFF80004C
> +
> +#define BCM2711_CORE_TIMER_IRQ_CTRL(cpuidx) \
> +  (BCM2711_CORE0_TIMER_IRQ_CTRL_BASE + 0x4 * (cpuidx))
> +
> +
> +/**
> + * @name Raspberry Pi 4 ARM_LOCAL registers
> + *
> + * @{
> + */
> +
> +#define BCM2711_LOCAL_REGS_BASE               0x4C0000000
> +#define BCM2711_LOCAL_REGS_SIZE               0x100
> +
> +#define BCM2711_LOCAL_ARM_CONTROL             (BCM2711_LOCAL_REGS_BASE +
> 0x00)
> +#define BCM2711_LOCAL_CORE_IRQ_CONTROL        (BCM2711_LOCAL_REGS_BASE +
> 0x0c)
> +#define BCM2711_LOCAL_PMU_CONTROL_SET         (BCM2711_LOCAL_REGS_BASE +
> 0x10)
> +#define BCM2711_LOCAL_PMU_CONTROL_CLR         (BCM2711_LOCAL_REGS_BASE +
> 0x14)
> +#define BCM2711_LOCAL_PERI_IRQ_ROUTE0         (BCM2711_LOCAL_REGS_BASE +
> 0x24)
> +#define BCM2711_LOCAL_AXI_QUIET_TIME          (BCM2711_LOCAL_REGS_BASE +
> 0x30)
> +#define BCM2711_LOCAL_LOCAL_TIMER_CONTROL     (BCM2711_LOCAL_REGS_BASE +
> 0x34)
> +#define BCM2711_LOCAL_LOCAL_TIMER_IRQ         (BCM2711_LOCAL_REGS_BASE +
> 0x38)
> +
> +#define BCM2711_LOCAL_TIMER_CNTRL0            (BCM2711_LOCAL_REGS_BASE +
> 0x40)
> +#define BCM2711_LOCAL_TIMER_CNTRL1            (BCM2711_LOCAL_REGS_BASE +
> 0x44)
> +#define BCM2711_LOCAL_TIMER_CNTRL2            (BCM2711_LOCAL_REGS_BASE +
> 0x48)
> +#define BCM2711_LOCAL_TIMER_CNTRL3            (BCM2711_LOCAL_REGS_BASE +
> 0x4c)
> +
> +#define BCM2711_LOCAL_MAILBOX_CNTRL0          (BCM2711_LOCAL_REGS_BASE +
> 0x50)
> +#define BCM2711_LOCAL_MAILBOX_CNTRL1          (BCM2711_LOCAL_REGS_BASE +
> 0x54)
> +#define BCM2711_LOCAL_MAILBOX_CNTRL2          (BCM2711_LOCAL_REGS_BASE +
> 0x58)
> +#define BCM2711_LOCAL_MAILBOX_CNTRL3          (BCM2711_LOCAL_REGS_BASE +
> 0x5c)
> +
> +#define BCM2711_LOCAL_IRQ_SOURCE0             (BCM2711_LOCAL_REGS_BASE +
> 0x60)
> +#define BCM2711_LOCAL_IRQ_SOURCE1             (BCM2711_LOCAL_REGS_BASE +
> 0x64)
> +#define BCM2711_LOCAL_IRQ_SOURCE2             (BCM2711_LOCAL_REGS_BASE +
> 0x68)
> +#define BCM2711_LOCAL_IRQ_SOURCE3             (BCM2711_LOCAL_REGS_BASE +
> 0x6c)
> +
> +#define BCM2711_LOCAL_FIQ_SOURCE0             (BCM2711_LOCAL_REGS_BASE +
> 0x70)
> +#define BCM2711_LOCAL_FIQ_SOURCE1             (BCM2711_LOCAL_REGS_BASE +
> 0x74)
> +#define BCM2711_LOCAL_FIQ_SOURCE2             (BCM2711_LOCAL_REGS_BASE +
> 0x78)
> +#define BCM2711_LOCAL_FIQ_SOURCE3             (BCM2711_LOCAL_REGS_BASE +
> 0x7c)
> +
> +/**
> + * @name Raspberry Pi 4 Mailbox registers
> + *
> + * @{
> + */
> +
> +
> +
> +#define BCM2711_MAILBOX_00_WRITE_SET_BASE               0x4C000080
> +#define BCM2711_MAILBOX_01_WRITE_SET_BASE               0x4C000084
> +#define BCM2711_MAILBOX_02_WRITE_SET_BASE               0x4C000088
> +#define BCM2711_MAILBOX_03_WRITE_SET_BASE               0x4C00008C
> +#define BCM2711_MAILBOX_04_WRITE_SET_BASE               0x4C000090
> +#define BCM2711_MAILBOX_05_WRITE_SET_BASE               0x4C000094
> +#define BCM2711_MAILBOX_06_WRITE_SET_BASE               0x4C000098
> +#define BCM2711_MAILBOX_07_WRITE_SET_BASE               0x4C00009C
> +#define BCM2711_MAILBOX_08_WRITE_SET_BASE               0x4C0000A0
> +#define BCM2711_MAILBOX_09_WRITE_SET_BASE               0x4C0000A4
> +#define BCM2711_MAILBOX_10_WRITE_SET_BASE               0x4C0000A8
> +#define BCM2711_MAILBOX_11_WRITE_SET_BASE               0x4C0000AC
> +#define BCM2711_MAILBOX_12_WRITE_SET_BASE               0x4C0000B0
> +#define BCM2711_MAILBOX_13_WRITE_SET_BASE               0x4C0000B4
> +#define BCM2711_MAILBOX_14_WRITE_SET_BASE               0x4C0000B8
> +#define BCM2711_MAILBOX_15_WRITE_SET_BASE               0x4C0000BC
> +
> +#define BCM2711_MAILBOX_00_READ_CLEAR_BASE              0x4C0000C0
> +#define BCM2711_MAILBOX_01_READ_CLEAR_BASE              0x4C0000C4
> +#define BCM2711_MAILBOX_02_READ_CLEAR_BASE              0x4C0000C8
> +#define BCM2711_MAILBOX_03_READ_CLEAR_BASE              0x4C0000CC
> +#define BCM2711_MAILBOX_04_READ_CLEAR_BASE              0x4C0000D0
> +#define BCM2711_MAILBOX_05_READ_CLEAR_BASE              0x4C0000D4
> +#define BCM2711_MAILBOX_06_READ_CLEAR_BASE              0x4C0000D8
> +#define BCM2711_MAILBOX_07_READ_CLEAR_BASE              0x4C0000DC
> +#define BCM2711_MAILBOX_08_READ_CLEAR_BASE              0x4C0000E0
> +#define BCM2711_MAILBOX_09_READ_CLEAR_BASE              0x4C0000E4
> +#define BCM2711_MAILBOX_10_READ_CLEAR_BASE              0x4C0000E8
> +#define BCM2711_MAILBOX_11_READ_CLEAR_BASE              0x4C0000EC
> +#define BCM2711_MAILBOX_12_READ_CLEAR_BASE              0x4C0000F0
> +#define BCM2711_MAILBOX_13_READ_CLEAR_BASE              0x4C0000F4
> +#define BCM2711_MAILBOX_14_READ_CLEAR_BASE              0x4C0000F8
> +#define BCM2711_MAILBOX_15_READ_CLEAR_BASE              0x4C0000FC
> +
> +
> +/**
> + * @name Raspberry Pi 4 ARM_C FIQ and IRQ registers
> + *
> + * @{
> + */
> +
> +#define BCM2711_ARMC_REGS_BASE                 (RPI_PERIPHERAL_BASE +
> 0xB200)
> +#define BCM2711_ARMC_REGS_SIZE                 0x200
> +
> +#define BCM2711_ARMC_IRQ0_PENDING0             (BCM2711_ARMC_REGS_BASE +
> 0x00)
> +#define BCM2711_ARMC_IRQ0_PENDING1             (BCM2711_ARMC_REGS_BASE +
> 0x04)
> +#define BCM2711_ARMC_IRQ0_PENDING2             (BCM2711_ARMC_REGS_BASE +
> 0x08)
> +#define BCM2711_ARMC_IRQ0_SET_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x10)
> +#define BCM2711_ARMC_IRQ0_SET_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x14)
> +#define BCM2711_ARMC_IRQ0_SET_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x18)
> +#define BCM2711_ARMC_IRQ0_CLR_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x20)
> +#define BCM2711_ARMC_IRQ0_CLR_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x24)
> +#define BCM2711_ARMC_IRQ0_CLR_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x28)
> +
> +#define BCM2711_ARMC_IRQ_STATUS0               (BCM2711_ARMC_REGS_BASE +
> 0x30)
> +#define BCM2711_ARMC_IRQ_STATUS1               (BCM2711_ARMC_REGS_BASE +
> 0x34)
> +#define BCM2711_ARMC_IRQ_STATUS2               (BCM2711_ARMC_REGS_BASE +
> 0x38)
> +
> +#define BCM2711_ARMC_IRQ1_PENDING0             (BCM2711_ARMC_REGS_BASE +
> 0x40)
> +#define BCM2711_ARMC_IRQ1_PENDING1             (BCM2711_ARMC_REGS_BASE +
> 0x44)
> +#define BCM2711_ARMC_IRQ1_PENDING2             (BCM2711_ARMC_REGS_BASE +
> 0x48)
> +#define BCM2711_ARMC_IRQ1_SET_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x50)
> +#define BCM2711_ARMC_IRQ1_SET_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x54)
> +#define BCM2711_ARMC_IRQ1_SET_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x58)
> +#define BCM2711_ARMC_IRQ1_CLR_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x60)
> +#define BCM2711_ARMC_IRQ1_CLR_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x64)
> +#define BCM2711_ARMC_IRQ1_CLR_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x68)
> +
> +#define BCM2711_ARMC_IRQ2_PENDING0             (BCM2711_ARMC_REGS_BASE +
> 0x80)
> +#define BCM2711_ARMC_IRQ2_PENDING1             (BCM2711_ARMC_REGS_BASE +
> 0x84)
> +#define BCM2711_ARMC_IRQ2_PENDING2             (BCM2711_ARMC_REGS_BASE +
> 0x88)
> +#define BCM2711_ARMC_IRQ2_SET_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x90)
> +#define BCM2711_ARMC_IRQ2_SET_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x94)
> +#define BCM2711_ARMC_IRQ2_SET_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x98)
> +#define BCM2711_ARMC_IRQ2_CLR_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0xA0)
> +#define BCM2711_ARMC_IRQ2_CLR_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0xA4)
> +#define BCM2711_ARMC_IRQ2_CLR_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0xA8)
> +
> +#define BCM2711_ARMC_IRQ3_PENDING0             (BCM2711_ARMC_REGS_BASE +
> 0xC0)
> +#define BCM2711_ARMC_IRQ3_PENDING1             (BCM2711_ARMC_REGS_BASE +
> 0xC4)
> +#define BCM2711_ARMC_IRQ3_PENDING2             (BCM2711_ARMC_REGS_BASE +
> 0xC8)
> +#define BCM2711_ARMC_IRQ3_SET_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0xD0)
> +#define BCM2711_ARMC_IRQ3_SET_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0xD4)
> +#define BCM2711_ARMC_IRQ3_SET_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0xD8)
> +#define BCM2711_ARMC_IRQ3_CLR_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0xE0)
> +#define BCM2711_ARMC_IRQ3_CLR_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0xE4)
> +#define BCM2711_ARMC_IRQ3_CLR_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0xE8)
> +
> +
> +
> +#define BCM2711_ARMC_FIQ0_PENDING0             (BCM2711_ARMC_REGS_BASE +
> 0x100)
> +#define BCM2711_ARMC_FIQ0_PENDING1             (BCM2711_ARMC_REGS_BASE +
> 0x104)
> +#define BCM2711_ARMC_FIQ0_PENDING2             (BCM2711_ARMC_REGS_BASE +
> 0x108)
> +#define BCM2711_ARMC_FIQ0_SET_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x110)
> +#define BCM2711_ARMC_FIQ0_SET_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x114)
> +#define BCM2711_ARMC_FIQ0_SET_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x118)
> +#define BCM2711_ARMC_FIQ0_CLR_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x120)
> +#define BCM2711_ARMC_FIQ0_CLR_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x124)
> +#define BCM2711_ARMC_FIQ0_CLR_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x128)
> +
> +#define BCM2711_ARMC_FIQ1_PENDING0             (BCM2711_ARMC_REGS_BASE +
> 0x140)
> +#define BCM2711_ARMC_FIQ1_PENDING1             (BCM2711_ARMC_REGS_BASE +
> 0x144)
> +#define BCM2711_ARMC_FIQ1_PENDING2             (BCM2711_ARMC_REGS_BASE +
> 0x148)
> +#define BCM2711_ARMC_FIQ1_SET_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x150)
> +#define BCM2711_ARMC_FIQ1_SET_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x154)
> +#define BCM2711_ARMC_FIQ1_SET_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x158)
> +#define BCM2711_ARMC_FIQ1_CLR_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x160)
> +#define BCM2711_ARMC_FIQ1_CLR_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x164)
> +#define BCM2711_ARMC_FIQ1_CLR_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x168)
> +
> +#define BCM2711_ARMC_FIQ2_PENDING0             (BCM2711_ARMC_REGS_BASE +
> 0x180)
> +#define BCM2711_ARMC_FIQ2_PENDING1             (BCM2711_ARMC_REGS_BASE +
> 0x184)
> +#define BCM2711_ARMC_FIQ2_PENDING2             (BCM2711_ARMC_REGS_BASE +
> 0x188)
> +#define BCM2711_ARMC_FIQ2_SET_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x190)
> +#define BCM2711_ARMC_FIQ2_SET_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x194)
> +#define BCM2711_ARMC_FIQ2_SET_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x198)
> +#define BCM2711_ARMC_FIQ2_CLR_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x1A0)
> +#define BCM2711_ARMC_FIQ2_CLR_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x1A4)
> +#define BCM2711_ARMC_FIQ2_CLR_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x1A8)
> +
> +#define BCM2711_ARMC_FIQ3_PENDING0             (BCM2711_ARMC_REGS_BASE +
> 0x1C0)
> +#define BCM2711_ARMC_FIQ3_PENDING1             (BCM2711_ARMC_REGS_BASE +
> 0x1C4)
> +#define BCM2711_ARMC_FIQ3_PENDING2             (BCM2711_ARMC_REGS_BASE +
> 0x1C8)
> +#define BCM2711_ARMC_FIQ3_SET_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x1D0)
> +#define BCM2711_ARMC_FIQ3_SET_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x1D4)
> +#define BCM2711_ARMC_FIQ3_SET_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x1D8)
> +#define BCM2711_ARMC_FIQ3_CLR_EN_0             (BCM2711_ARMC_REGS_BASE +
> 0x1E0)
> +#define BCM2711_ARMC_FIQ3_CLR_EN_1             (BCM2711_ARMC_REGS_BASE +
> 0x1E4)
> +#define BCM2711_ARMC_FIQ3_CLR_EN_2             (BCM2711_ARMC_REGS_BASE +
> 0x1E8)
> +
> +#define BCM2711_ARMC_SWIRQ_SET                 (BCM2711_ARMC_REGS_BASE +
> 0x1F0)
> +#define BCM2711_ARMC_SWIRQ_CLEAR               (BCM2711_ARMC_REGS_BASE +
> 0x1F4)
> +
> +
> +
> +
> +
> +/** @} */
> +
> +#endif /* LIBBSP_ARM_RASPBERRYPI_RASPBERRYPI_H */
> diff --git a/bsps/aarch64/raspberrypi/include/tm27.h
> b/bsps/aarch64/raspberrypi/include/tm27.h
> new file mode 100644
> index 0000000000..653f88ed01
> --- /dev/null
> +++ b/bsps/aarch64/raspberrypi/include/tm27.h
> @@ -0,0 +1,46 @@
> +/* SPDX-License-Identifier: BSD-2-Clause */
> +
> +/**
> + * @file
> + *
> + * @ingroup RTEMSBSPsAArch64Raspberrypi4
> + *
> + * @brief BSP tm27 header
> + */
> +
> +/*
> + * Copyright (C) 2022 Mohd Noor Aman
> + *
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + * 1. Redistributions of source code must retain the above copyright
> + *    notice, this list of conditions and the following disclaimer.
> + * 2. Redistributions in binary form must reproduce the above copyright
> + *    notice, this list of conditions and the following disclaimer in the
> + *    documentation and/or other materials provided with the distribution.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> "AS IS"
> + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
> THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
> BE
> + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
> BUSINESS
> + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
> THE
> + * POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#ifndef _RTEMS_TMTEST27
> +#error "This is an RTEMS internal file you must not include directly."
> +#endif
> +
> +#ifndef __tm27_h
> +#define __tm27_h
> +
> +#include <dev/irq/arm-gic-tm27.h>
> +
> +#endif /* __tm27_h */
> \ No newline at end of file
> diff --git a/bsps/aarch64/raspberrypi/start/bspstart.c
> b/bsps/aarch64/raspberrypi/start/bspstart.c
> new file mode 100644
> index 0000000000..56f52a2231
> --- /dev/null
> +++ b/bsps/aarch64/raspberrypi/start/bspstart.c
> @@ -0,0 +1,49 @@
> +/* SPDX-License-Identifier: BSD-2-Clause */
> +
> +/**
> + * @file
> + *
> + * @ingroup RTEMSBSPsAArch64Raspberrypi4
> + *
> + * @brief BSP Startup
> + */
> +
> +/*
> + * Copyright (C) 2022 Mohd Noor Aman
> + *
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + * 1. Redistributions of source code must retain the above copyright
> + *    notice, this list of conditions and the following disclaimer.
> + * 2. Redistributions in binary form must reproduce the above copyright
> + *    notice, this list of conditions and the following disclaimer in the
> + *    documentation and/or other materials provided with the distribution.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> "AS IS"
> + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
> THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
> BE
> + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
> BUSINESS
> + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
> THE
> + * POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#include <bsp.h>
> +#include <bsp/bootcard.h>
> +#include <bsp/irq-generic.h>
> +#include <bsp/linker-symbols.h>
> +
> +void bsp_start( void )
> +{
> +  bsp_interrupt_initialize();
> +  rtems_cache_coherent_add_area(
> +    bsp_section_nocacheheap_begin,
> +    (uintptr_t) bsp_section_nocacheheap_size
> +  );
> +}
> diff --git a/bsps/aarch64/raspberrypi/start/bspstarthooks.c
> b/bsps/aarch64/raspberrypi/start/bspstarthooks.c
> new file mode 100644
> index 0000000000..fe0fe77c09
> --- /dev/null
> +++ b/bsps/aarch64/raspberrypi/start/bspstarthooks.c
> @@ -0,0 +1,53 @@
> +/* SPDX-License-Identifier: BSD-2-Clause */
> +
> +/**
> + * @file
> + *
> + * @ingroup RTEMSBSPsAArch64Raspberrypi4
> + *
> + * @brief BSP Startup Hooks
> + */
> +
> +/*
> + * Copyright (C) 2022 Mohd Noor Aman
> + *
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + * 1. Redistributions of source code must retain the above copyright
> + *    notice, this list of conditions and the following disclaimer.
> + * 2. Redistributions in binary form must reproduce the above copyright
> + *    notice, this list of conditions and the following disclaimer in the
> + *    documentation and/or other materials provided with the distribution.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> "AS IS"
> + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
> THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
> BE
> + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
> BUSINESS
> + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
> THE
> + * POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#include <bsp.h>
> +#include <bsp/irq-generic.h>
> +#include <bsp/start.h>
> +#include <rtems/score/cpu.h>
> +
> +BSP_START_TEXT_SECTION void bsp_start_hook_0(void)
> +{
> +  /* Do nothing */
> +}
> +
> +BSP_START_TEXT_SECTION void bsp_start_hook_1(void)
> +{
> +  AArch64_start_set_vector_base();
> +  bsp_start_copy_sections();
> +  raspberrypi_4_setup_mmu_and_cache();
> +  bsp_start_clear_bss();
> +}
> \ No newline at end of file
> diff --git a/bsps/aarch64/raspberrypi/start/bspstartmmu.c
> b/bsps/aarch64/raspberrypi/start/bspstartmmu.c
> new file mode 100644
> index 0000000000..ab12020a2a
> --- /dev/null
> +++ b/bsps/aarch64/raspberrypi/start/bspstartmmu.c
> @@ -0,0 +1,84 @@
> +/* SPDX-License-Identifier: BSD-2-Clause */
> +
> +/**
> + * @file
> + *
> + * @ingroup RTEMSBSPsAArch64Raspberrypi4
> + *
> + * @brief This source file contains the default MMU tables and setup.
> + */
> +
> +/*
> + * Copyright (C) 2022 Mohd Noor Aman
> + *
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + * 1. Redistributions of source code must retain the above copyright
> + *    notice, this list of conditions and the following disclaimer.
> + * 2. Redistributions in binary form must reproduce the above copyright
> + *    notice, this list of conditions and the following disclaimer in the
> + *    documentation and/or other materials provided with the distribution.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> "AS IS"
> + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
> THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
> BE
> + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
> BUSINESS
> + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
> THE
> + * POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#include <bsp.h>
> +#include <bsp/start.h>
> +#include <bsp/aarch64-mmu.h>
> +#include <bsp/raspberrypi.h>
> +#include <libcpu/mmu-vmsav8-64.h>
> +
> +
> +BSP_START_DATA_SECTION static const aarch64_mmu_config_entry
> +raspberrypi_4_mmu_config_table[] = {
> +  AARCH64_MMU_DEFAULT_SECTIONS,
> +
> +  { /* RPI peripheral address */
> +    .begin = (unsigned)RPI_PERIPHERAL_BASE,
> +    .end = (unsigned)RPI_PERIPHERAL_BASE + (unsigned)RPI_PERIPHERAL_SIZE,
> +    .flags = AARCH64_MMU_DEVICE
> +  },
> +
> +  { /* RPI ARM local registers */
> +    .begin = (unsigned)BCM2711_LOCAL_REGS_BASE,
> +    .end = (unsigned)BCM2711_LOCAL_REGS_BASE +
> (unsigned)BCM2711_LOCAL_REGS_SIZE,
> +    .flags = AARCH64_MMU_DEVICE
> +  },
> +
> +  { /* RPI GIC Interface address */
> +    .begin = 0xFF800000U,
> +    .end = 0xFFA00000U,
> +    .flags = AARCH64_MMU_DEVICE
> +  }
> +
> +};
> +/*
> + * Make weak and let the user override.
> + */
> +BSP_START_TEXT_SECTION void
> +raspberrypi_4_setup_mmu_and_cache( void ) __attribute__ ((weak));
> +
> +BSP_START_TEXT_SECTION void
> +raspberrypi_4_setup_mmu_and_cache( void )
> +{
> +  aarch64_mmu_setup();
> +
> +  aarch64_mmu_setup_translation_table(
> +    &raspberrypi_4_mmu_config_table[ 0 ],
> +    RTEMS_ARRAY_SIZE( raspberrypi_4_mmu_config_table )
> +  );
> +
> +  aarch64_mmu_enable();
> +}
> \ No newline at end of file
> diff --git a/spec/build/bsps/aarch64/raspberrypi/abi.yml
> b/spec/build/bsps/aarch64/raspberrypi/abi.yml
> new file mode 100644
> index 0000000000..5e3e0a4975
> --- /dev/null
> +++ b/spec/build/bsps/aarch64/raspberrypi/abi.yml
> @@ -0,0 +1,21 @@
> +SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
> +actions:
> +- get-string: null
> +- split: null
> +- env-append: null
> +build-type: option
> +copyrights:
> +- Copyright (C) 2022 Mohd Noor Aman
> +default:
> +- -mcpu=cortex-a72
> +- -march=armv8-a
> +
> +default-by-variant: []
> +includes: []
> +description: |
> +  ABI flags
> +links: []
> +enabled-by: true
> +name: ABI_FLAGS
> +type: build
> +
> \ No newline at end of file
> diff --git a/spec/build/bsps/aarch64/raspberrypi/bspraspberrypi4.yml
> b/spec/build/bsps/aarch64/raspberrypi/bspraspberrypi4.yml
> new file mode 100644
> index 0000000000..d2ff76d351
> --- /dev/null
> +++ b/spec/build/bsps/aarch64/raspberrypi/bspraspberrypi4.yml
> @@ -0,0 +1,81 @@
> +SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
> +arch: aarch64
> +bsp: raspberrypi4b
> +build-type: bsp
> +cflags: []
> +copyrights:
> +- Copyright (C) 2022 Mohd Noor Aman
> +cppflags: []
> +enabled-by: true
> +family: raspberrypi
> +includes: []
> +install:
> +- destination: ${BSP_INCLUDEDIR}
> +  source:
> +  - bsps/aarch64/raspberrypi/include/bsp.h
> +  - bsps/aarch64/raspberrypi/include/tm27.h
> +
> +- destination: ${BSP_INCLUDEDIR}/bsp
> +  source:
> +  - bsps/aarch64/raspberrypi/include/bsp/irq.h
> +  - bsps/aarch64/raspberrypi/include/bsp/raspberrypi.h
> +
> +source:
> +- bsps/aarch64/raspberrypi/console/console.c
> +- bsps/aarch64/raspberrypi/start/bspstart.c
> +- bsps/aarch64/raspberrypi/start/bspstarthooks.c
> +- bsps/aarch64/raspberrypi/start/bspstartmmu.c
> +- bsps/aarch64/shared/clock/arm-generic-timer-aarch64.c
> +- bsps/aarch64/shared/cache/cache.c
> +- bsps/aarch64/shared/mmu/vmsav8-64.c
> +- bsps/shared/dev/clock/arm-generic-timer.c
> +- bsps/shared/dev/irq/arm-gicv2.c
> +- bsps/shared/dev/irq/arm-gicv2-get-attributes.c
> +- bsps/shared/dev/serial/console-termios-init.c
> +- bsps/shared/dev/serial/console-termios.c
> +- bsps/shared/dev/serial/arm-pl011.c
> +- bsps/shared/dev/getentropy/getentropy-cpucounter.c
> +- bsps/shared/dev/btimer/btimer-cpucounter.c
> +- bsps/shared/irq/irq-default-handler.c
> +- bsps/shared/irq/irq-handler-install.c
> +- bsps/shared/irq/irq-generic.c
> +- bsps/shared/irq/irq-lock.c
> +- bsps/shared/start/bspfatal-default.c
> +- bsps/shared/start/bspreset-arm-psci.c
> +- bsps/shared/start/gettargethash-default.c
> +- bsps/shared/start/sbrk.c
> +- bsps/shared/start/wkspaceinitone.c
> +- bsps/shared/start/mallocinitmulti.c
> +- bsps/shared/start/bspgetworkarea-default.c
> +
> +links:
> +- role: build-dependency
> +  uid: ../grp
> +- role: build-dependency
> +  uid: ../start
> +- role: build-dependency
> +  uid: ../optmmupages
> +- role: build-dependency
> +  uid: ../optgtusevirt
> +- role: build-dependency
> +  uid: ../optgtuseps
> +- role: build-dependency
> +  uid: abi
> +- role: build-dependency
> +  uid: ../../optcachedata
> +- role: build-dependency
> +  uid: ../../optcacheinst
> +- role: build-dependency
> +  uid: ../../opto2
> +- role: build-dependency
> +  uid: ../../bspopts
> +- role: build-dependency
> +  uid: linkercmds
> +- role: build-dependency
> +  uid: ../../obj
> +- role: build-dependency
> +  uid: ../../objirq
> +
> +type: build
> +
> +
> diff --git a/spec/build/bsps/aarch64/raspberrypi/linkercmds.yml
> b/spec/build/bsps/aarch64/raspberrypi/linkercmds.yml
> new file mode 100644
> index 0000000000..8598b89cba
> --- /dev/null
> +++ b/spec/build/bsps/aarch64/raspberrypi/linkercmds.yml
> @@ -0,0 +1,76 @@
> +SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
> +build-type: config-file
> +content: |
> +  /* SPDX-License-Identifier: BSD-2-Clause */
> +
> +  /*
> +   * Copyright (C) 2022 Mohd Noor Aman
> +   *
> +   * Redistribution and use in source and binary forms, with or without
> +   * modification, are permitted provided that the following conditions
> +   * are met:
> +   * 1. Redistributions of source code must retain the above copyright
> +   *    notice, this list of conditions and the following disclaimer.
> +   * 2. Redistributions in binary form must reproduce the above copyright
> +   *    notice, this list of conditions and the following disclaimer in
> the
> +   *    documentation and/or other materials provided with the
> distribution.
> +   *
> +   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> "AS IS"
> +   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
> TO, THE
> +   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> PURPOSE
> +   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
> CONTRIBUTORS BE
> +   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> +   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> +   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
> BUSINESS
> +   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
> IN
> +   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
> OTHERWISE)
> +   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
> OF THE
> +   * POSSIBILITY OF SUCH DAMAGE.
> +   */
> +
> +  MEMORY {
> +  RAM_MMU  : ORIGIN = 0x0, LENGTH = (0x1000 *
> ${AARCH64_MMU_TRANSLATION_TABLE_PAGES})
> +  RAM      : ORIGIN = 0x80000, LENGTH = 1024M
> +  }
> +
> +  REGION_ALIAS ("REGION_START",          RAM);
> +  REGION_ALIAS ("REGION_VECTOR",         RAM);
> +  REGION_ALIAS ("REGION_TEXT",           RAM);
> +  REGION_ALIAS ("REGION_TEXT_LOAD",      RAM);
> +  REGION_ALIAS ("REGION_RODATA",         RAM);
> +  REGION_ALIAS ("REGION_RODATA_LOAD",    RAM);
> +  REGION_ALIAS ("REGION_DATA",           RAM);
> +  REGION_ALIAS ("REGION_DATA_LOAD",      RAM);
> +  REGION_ALIAS ("REGION_FAST_TEXT",      RAM);
> +  REGION_ALIAS ("REGION_FAST_TEXT_LOAD", RAM);
> +  REGION_ALIAS ("REGION_FAST_DATA",      RAM);
> +  REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM);
> +  REGION_ALIAS ("REGION_BSS",            RAM);
> +  REGION_ALIAS ("REGION_WORK",           RAM);
> +  REGION_ALIAS ("REGION_STACK",          RAM);
> +  REGION_ALIAS ("REGION_NOCACHE",        RAM);
> +  REGION_ALIAS ("REGION_NOCACHE_LOAD",   RAM);
> +
> +  bsp_stack_abt_size = DEFINED (bsp_stack_abt_size) ? bsp_stack_abt_size
> : 1024;
> +
> +  bsp_section_rwbarrier_align = DEFINED (bsp_section_rwbarrier_align) ?
> bsp_section_rwbarrier_align : 1M;
> +
> +  bsp_stack_exception_size = DEFINED (bsp_stack_exception_size) ?
> bsp_stack_exception_size : 1024;
> +
> +  bsp_section_rwbarrier_align = DEFINED (bsp_section_rwbarrier_align) ?
> bsp_section_rwbarrier_align : 1M;
> +
> +  bsp_vector_table_in_start_section = 1;
> +  bsp_translation_table_base = ORIGIN (RAM_MMU);
> +  bsp_translation_table_end = ORIGIN (RAM_MMU) + LENGTH (RAM_MMU);
> +
> +  OUTPUT_FORMAT ("elf64-littleaarch64")
> +  OUTPUT_ARCH (aarch64)
> +
> +  INCLUDE linkcmds.base
> +copyrights:
> +- Copyright (C) 2022 Mohd Noor Aman
> +enabled-by: true
> +install-path: ${BSP_LIBDIR}
> +links: []
> +target: linkcmds
> +type: build
> --
> 2.37.3
>
>
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