Commit 5062c51c authored by Hou Zhiqiang's avatar Hou Zhiqiang Committed by David Leach
Browse files

soc: mimx8m: set the UART devices RDC permission 



Add SoC initialization to set the UART RDC permission in the early
phase, so that the it can be used by Zephyr on Cortex-A cores.

Signed-off-by: default avatarHou Zhiqiang <Zhiqiang.Hou@nxp.com>
parent 657e7edd

soc/nxp/imx/imx8m/CMakeLists.txt

+1 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ if(CONFIG_SOC_MIMX8ML8_A53 OR CONFIG_SOC_MIMX8MM6_A53 OR CONFIG_SOC_MIMX8MN6_A53 


  zephyr_sources(

    a53/pinctrl_soc.h

    a53/soc.c

  )



  zephyr_sources_ifdef(CONFIG_ARM_MMU a53/mmu_regions.c)

soc/nxp/imx/imx8m/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ config SOC_MIMX8MM6_A53 
	select HAS_MCUX if CLOCK_CONTROL

	select HAS_MCUX_CCM if CLOCK_CONTROL

	select HAS_MCUX_IOMUXC if PINCTRL

	select HAS_MCUX_RDC



config SOC_MIMX8MM6_M4

	select ARM
@@ -27,6 +28,7 @@ config SOC_MIMX8ML8_A53 
	select HAS_MCUX if CLOCK_CONTROL

	select HAS_MCUX_CCM if CLOCK_CONTROL

	select HAS_MCUX_IOMUXC if PINCTRL

	select HAS_MCUX_RDC



config SOC_MIMX8MN6_A53

	select ARM64
@@ -35,6 +37,7 @@ config SOC_MIMX8MN6_A53 
	select HAS_MCUX if CLOCK_CONTROL

	select HAS_MCUX_CCM if CLOCK_CONTROL

	select HAS_MCUX_IOMUXC if PINCTRL

	select HAS_MCUX_RDC



config SOC_MIMX8MP_ADSP

	select XTENSA

soc/nxp/imx/imx8m/a53/soc.c

0 → 100644
+46 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2024 NXP

 *

 * SPDX-License-Identifier: Apache-2.0

 */



#include <stdio.h>

#include <zephyr/init.h>

#include <zephyr/kernel.h>

#include <zephyr/device.h>

#include <zephyr/dt-bindings/rdc/imx_rdc.h>

#include <fsl_common.h>

#include <fsl_rdc.h>



/* set RDC permission for peripherals */

static void soc_rdc_init(void)

{

	rdc_domain_assignment_t assignment = {0};

	rdc_periph_access_config_t periphConfig;



	RDC_Init(RDC);

	assignment.domainId = A53_DOMAIN_ID;

	RDC_SetMasterDomainAssignment(RDC, kRDC_Master_A53, &assignment);



	RDC_GetDefaultPeriphAccessConfig(&periphConfig);



#if DT_NODE_HAS_STATUS(DT_NODELABEL(uart2), okay) && DT_NODE_HAS_PROP(DT_NODELABEL(uart2), rdc)

	periphConfig.periph = kRDC_Periph_UART2;

	periphConfig.policy = RDC_DT_VAL(uart2);

	RDC_SetPeriphAccessConfig(RDC, &periphConfig);

#endif



#if DT_NODE_HAS_STATUS(DT_NODELABEL(uart4), okay) && DT_NODE_HAS_PROP(DT_NODELABEL(uart4), rdc)

	periphConfig.periph = kRDC_Periph_UART4;

	periphConfig.policy = RDC_DT_VAL(uart4);

	RDC_SetPeriphAccessConfig(RDC, &periphConfig);

#endif

}



static int soc_init(void)

{

	soc_rdc_init();

	return 0;

}



SYS_INIT(soc_init, EARLY, 1);

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