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feat(platform): add support for beaglebone ai-64
Signed-off-by: puranikvinit <kvp933.vinit@gmail.com>
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‎README.md‎

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@@ -47,6 +47,7 @@ platforms is presented below:
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- [x] Arm Fixed Virtual Platforms
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- [x] Toradex Verdin iMX8M Plus (w/ Dahlia Carrier Board)
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- [ ] NXP S32G
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- [x] BeagleBone AI-64
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**Armv7-A / Armv8-A AArch32**
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- [x] Arm Fixed Virtual Platforms

‎src/platform/beaglebone-ai64/bb-ai64_desc.c‎

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/**
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* SPDX-License-Identifier: Apache-2.0
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* Copyright (c) Bao Project and Contributors. All rights reserved.
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*/
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#include <platform.h>
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struct platform platform = {
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.cpu_num = 2,
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.region_num = 2,
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.regions =
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(struct mem_region[]){
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{
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.base = 0x80000000,
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.size = 0x80000000,
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},
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{
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.base = 0x880000000,
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.size = 0x80000000,
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},
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},
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.console =
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{
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.base = 0x02800000,
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},
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.arch =
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{
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.gic =
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{
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.gicd_addr = 0x01800000,
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.gicr_addr = 0x01900000,
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.gicc_addr = 0x6f000000,
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.gich_addr = 0x6f010000,
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.gicv_addr = 0x6f020000,
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.maintenance_id = 25,
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},
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},
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};
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#ifndef GENERATING_DEFS
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static mbox_k3_sec_proxy_thread_desc sec_proxy_thread_desc[] = {
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MBOX_K3_SEC_PROXY_THREAD_DESC_ENTRY(J721E_HOST_ID_MAIN_A72_CONTEXT_0_SECURE, 0, 2, 30, 10, 20),
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MBOX_K3_SEC_PROXY_THREAD_DESC_ENTRY(J721E_HOST_ID_MAIN_A72_CONTEXT_1_SECURE, 5, 2, 30, 10, 20),
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MBOX_K3_SEC_PROXY_THREAD_DESC_ENTRY(J721E_HOST_ID_MAIN_A72_CONTEXT_2_NON_SECURE, 10, 2, 22, 2,
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20),
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MBOX_K3_SEC_PROXY_THREAD_DESC_ENTRY(J721E_HOST_ID_MAIN_A72_CONTEXT_3_NON_SECURE, 15, 2, 7, 2, 5),
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MBOX_K3_SEC_PROXY_THREAD_DESC_ENTRY(J721E_HOST_ID_MAIN_A72_CONTEXT_4_NON_SECURE, 20, 2, 7, 2, 5),
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MBOX_K3_SEC_PROXY_THREAD_DESC_ENTRY(J721E_HOST_ID_MAIN_A72_CONTEXT_5_NON_SECURE, 55, 2, 7, 2, 5),
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};
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static mbox_k3_sec_proxy_desc k3_sec_proxy = {
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.thread_inst =
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{
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.id = 0U,
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.rt_base = 0x0032400000U,
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.rt_size = 0x100000U,
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.scfg_base = 0x0032800000U,
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.scfg_size = 0x100000U,
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.data_base = 0x0032C00000,
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.data_size = 0x100000,
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.max_msg_size = TISCI_MSG_MAX_SIZE,
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},
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.read_timeout_us = TISCI_MSG_TXN_TIMEOUT,
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.sec_proxy_thread_desc = sec_proxy_thread_desc,
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.num_threads = sizeof(sec_proxy_thread_desc) / sizeof(sec_proxy_thread_desc[0]),
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};
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static int32_t platform_tisci_send(uint8_t chan_id, void* buffer, size_t len)
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{
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return mbox_k3_sec_proxy_write(&k3_sec_proxy, chan_id, buffer, len);
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}
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static int32_t platform_tisci_recv(uint8_t chan_id, void* buffer, size_t len)
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{
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return mbox_k3_sec_proxy_read(&k3_sec_proxy, chan_id, buffer, len);
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}
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static tisci_ctx tisci_context = {
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.ops =
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{
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.send = platform_tisci_send,
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.recv = platform_tisci_recv,
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},
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.seq_id_lock = {0, 0},
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.seq_id = 0U,
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};
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void platform_default_init(void)
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{
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if (cpu_is_master()) {
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cpu_sync_init(&cpu_glb_sync, platform.cpu_num);
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}
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mbox_k3_sec_proxy_init(&k3_sec_proxy);
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cpu_sync_barrier(&cpu_glb_sync);
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uint8_t cur_host_id = cpu_is_master() ? J721E_HOST_ID_MAIN_A72_CONTEXT_2_NON_SECURE :
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J721E_HOST_ID_MAIN_A72_CONTEXT_3_NON_SECURE;
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mbox_k3_sec_proxy_thread_desc* host_threads =
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mbox_k3_sec_proxy_get_thread_by_host_func(&k3_sec_proxy, cur_host_id, 0U);
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if (NULL == host_threads) {
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ERROR("platform init failed, no secure proxy threads found");
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return;
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}
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/* probe all secure proxy threads owned by this host */
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for (uint8_t func_iterator = 0U; func_iterator < MBOX_K3_SEC_PROXY_NUM_HOST_FUNCTIONS;
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func_iterator++) {
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int32_t probe_status =
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mbox_k3_sec_proxy_probe(&k3_sec_proxy, host_threads[func_iterator].sec_proxy_thread_id);
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if (MBOX_K3_SEC_PROXY_STATUS_CODE_NO_ERROR != probe_status) {
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ERROR("platform init failed, k3 secure_proxy_thread_%d probe status=%d",
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host_threads[func_iterator].sec_proxy_thread_id, probe_status);
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return;
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}
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}
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/* ping test to ensure that host<->sysfw pipeline is clean */
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tisci_msg_version_rsp ping_rsp = { 0 };
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int32_t ping_status = tisci_get_revision(&tisci_context, cur_host_id,
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host_threads[MBOX_K3_SEC_PROXY_HOST_FUNCTION_LOW_PRIORITY].sec_proxy_thread_id,
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host_threads[MBOX_K3_SEC_PROXY_HOST_FUNCTION_RESPONSE].sec_proxy_thread_id, &ping_rsp);
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if (TISCI_STATUS_CODE_NO_ERROR != ping_status) {
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ERROR("platform init failed, ping to sysfw failed, ping_status=%d", ping_status);
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}
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}
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#endif /* ifndef GENERATING_DEFS */

‎src/platform/beaglebone-ai64/inc/plat/platform.h‎

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/**
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* SPDX-License-Identifier: Apache-2.0
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* Copyright (c) Bao Project and Contributors. All rights reserved
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*/
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#ifndef __PLAT_PLATFORM_H__
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#define __PLAT_PLATFORM_H__
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#define UART8250_REG_WIDTH (4U)
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#include <drivers/8250_uart.h>
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#include <drivers/k3_sec_proxy.h>
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#include <drivers/tisci.h>
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/* j721e host id enumeration */
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#define J721E_HOST_ID_MAIN_A72_CONTEXT_0_SECURE (10)
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#define J721E_HOST_ID_MAIN_A72_CONTEXT_1_SECURE (11)
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#define J721E_HOST_ID_MAIN_A72_CONTEXT_2_NON_SECURE (12)
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#define J721E_HOST_ID_MAIN_A72_CONTEXT_3_NON_SECURE (13)
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#define J721E_HOST_ID_MAIN_A72_CONTEXT_4_NON_SECURE (14)
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#define J721E_HOST_ID_MAIN_A72_CONTEXT_5_NON_SECURE (30)
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#endif

‎src/platform/beaglebone-ai64/inc/plat/psci.h‎

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/**
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* SPDX-License-Identifier: Apache-2.0
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* Copyright (c) Bao Project and Contributors. All rights reserved.
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*/
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#ifndef __PLAT_PSCI_H__
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#define __PLAT_PSCI_H__
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#define PSCI_POWER_STATE_LVL_0 (0x0U)
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#define PSCI_STATE_TYPE_STANDBY (0x0U)
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#define PSCI_STATE_TYPE_BIT (1UL << 16)
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#define PSCI_STATE_ID_RUN (0x0U)
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#define PSCI_STATE_ID_RETENTION (0x1U)
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#define PSCI_STATE_ID_POWERDOWN (0x2U)
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#define PSCI_STATE_TYPE_POWERDOWN PSCI_STATE_TYPE_BIT | PSCI_STATE_ID_POWERDOWN
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#endif // __PLAT_PSCI_H__

‎src/platform/beaglebone-ai64/objects.mk‎

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## SPDX-License-Identifier: Apache-2.0
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## Copyright (c) Bao Project and Contributors. All rights reserved.
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boards-objs-y+=bb-ai64_desc.o

‎src/platform/beaglebone-ai64/platform.mk‎

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## SPDX-License-Identifier: Apache-2.0
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## Copyright (c) Bao Project and Contributors. All rights reserved.
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# Architecture definition
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ARCH:=armv8
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# CPU definition
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CPU:=cortex-a72
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#needs to be checked
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GIC_VERSION:=GICV3
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drivers = 8250_uart mailbox firmware
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platform_description:=bb-ai64_desc.c
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platform-cflags = -mtune=$(CPU)
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platform-asflags =
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platform-ldflags =

‎src/platform/drivers/mailbox/inc/drivers/k3_sec_proxy.h‎

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#define __MBOX_K3_SEC_PROXY_H_
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#include <bao.h>
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#include <cpu.h>
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#include <plat/platform.h>
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#include <stddef.h>
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#include <stdint.h>
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mbox_k3_sec_proxy_get_thread_by_host_func(mbox_k3_sec_proxy_desc* sec_proxy_desc, uint8_t host_id,
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MBOX_K3_SEC_PROXY_HOST_FUNCTION host_function);
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void mbox_k3_sec_proxy_init(mbox_k3_sec_proxy_desc* sec_proxy_desc);
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#endif /* __MBOX_K3_SEC_PROXY_H_ */

‎src/platform/drivers/mailbox/k3_sec_proxy.c‎

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*/
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#include <drivers/k3_sec_proxy.h>
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#include <stdint.h>
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/**
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* @brief Reads a 32-bit value from a memory-mapped register.
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}
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return NULL;
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}
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void mbox_k3_sec_proxy_init(mbox_k3_sec_proxy_desc* sec_proxy_desc)
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{
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if (cpu_is_master()) {
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sec_proxy_desc->thread_inst.rt_base = (vaddr_t)mem_alloc_map_dev(&cpu()->as, SEC_HYP_GLOBAL,
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INVALID_VA, sec_proxy_desc->thread_inst.rt_base,
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NUM_PAGES(sec_proxy_desc->thread_inst.rt_size));
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sec_proxy_desc->thread_inst.scfg_base = (vaddr_t)mem_alloc_map_dev(&cpu()->as,
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SEC_HYP_GLOBAL, INVALID_VA, sec_proxy_desc->thread_inst.scfg_base,
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NUM_PAGES(sec_proxy_desc->thread_inst.scfg_size));
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sec_proxy_desc->thread_inst.data_base = (vaddr_t)mem_alloc_map_dev(&cpu()->as,
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SEC_HYP_GLOBAL, INVALID_VA, sec_proxy_desc->thread_inst.data_base,
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NUM_PAGES(sec_proxy_desc->thread_inst.data_size));
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}
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}

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