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boards: nxp: imx943_evk: support board initialization for NETC

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Supported board initialization for NETC.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
This commit is contained in:
Yangbo Lu 2025-06-12 15:02:55 +08:00 • committed by Benjamin Cabé
commit 89e324dee6
2 changed files with 82 additions and 0 deletions
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4
boards/nxp/imx943_evk/CMakeLists.txt Normal file
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# SPDX-License-Identifier: Apache-2.0
zephyr_library()
zephyr_library_sources(board.c)

78
boards/nxp/imx943_evk/board.c Normal file
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/*
* Copyright 2025 NXP
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/devicetree.h>
#include <zephyr/init.h>
#include <zephyr/kernel.h>
#include <soc.h>
static int board_init(void)
{
#if defined(CONFIG_ETH_NXP_IMX_NETC) && (DT_CHILD_NUM_STATUS_OKAY(DT_NODELABEL(netc)) != 0)
/*
* PCS(Physical Coding Sublayer) protocols on link0-5,
* xxxx xxxx xxxx xxx1: 1G SGMII
* xxxx xxxx xxxx xx1x: OC-SGMII(i.e.: OverClock 2.5 G SGMII)
*/
BLK_CTRL_NETCMIX->CFG_LINK_PCS_PROT_0 |=
BLK_CTRL_NETCMIX_CFG_LINK_PCS_PROT_0_CFG_LINK_PCS_PROT_0(2U);
BLK_CTRL_NETCMIX->CFG_LINK_PCS_PROT_1 |=
BLK_CTRL_NETCMIX_CFG_LINK_PCS_PROT_1_CFG_LINK_PCS_PROT_1(2U);
BLK_CTRL_NETCMIX->CFG_LINK_PCS_PROT_2 |=
BLK_CTRL_NETCMIX_CFG_LINK_PCS_PROT_2_CFG_LINK_PCS_PROT_2(1U);
BLK_CTRL_NETCMIX->CFG_LINK_PCS_PROT_3 |=
BLK_CTRL_NETCMIX_CFG_LINK_PCS_PROT_3_CFG_LINK_PCS_PROT_3(1U);
BLK_CTRL_NETCMIX->CFG_LINK_PCS_PROT_4 |=
BLK_CTRL_NETCMIX_CFG_LINK_PCS_PROT_4_CFG_LINK_PCS_PROT_4(1U);
BLK_CTRL_NETCMIX->CFG_LINK_PCS_PROT_5 |=
BLK_CTRL_NETCMIX_CFG_LINK_PCS_PROT_5_CFG_LINK_PCS_PROT_5(1U);
/*
* MII protocol for port0~5
* 0b0000..MII
* 0b0001..RMII
* 0b0010..RGMII
* 0b0011..SGMII
* 0b0100~0b1111..Reserved
*/
BLK_CTRL_NETCMIX->NETC_LINK_CFG0 |=
BLK_CTRL_NETCMIX_NETC_LINK_CFG0_MII_PROT(0x0U);
BLK_CTRL_NETCMIX->NETC_LINK_CFG1 |=
BLK_CTRL_NETCMIX_NETC_LINK_CFG1_MII_PROT(0x0U);
BLK_CTRL_NETCMIX->NETC_LINK_CFG2 |=
BLK_CTRL_NETCMIX_NETC_LINK_CFG2_MII_PROT(0x2U);
BLK_CTRL_NETCMIX->NETC_LINK_CFG3 |=
BLK_CTRL_NETCMIX_NETC_LINK_CFG3_MII_PROT(0x2U);
BLK_CTRL_NETCMIX->NETC_LINK_CFG4 |=
BLK_CTRL_NETCMIX_NETC_LINK_CFG4_MII_PROT(0x2U);
BLK_CTRL_NETCMIX->NETC_LINK_CFG5 |=
BLK_CTRL_NETCMIX_NETC_LINK_CFG5_MII_PROT(0x2U);
/*
* ETH2 selection: MAC2(switch port2) or MAC3(enetc0)
* 0b - MAC2 selected
* 1b - MAC3 selected
*/
BLK_CTRL_NETCMIX->EXT_PIN_CONTROL |= BLK_CTRL_NETCMIX_EXT_PIN_CONTROL_mac2_mac3_sel(1U);
/* Unlock the IERB. It will warm reset whole NETC. */
NETC_PRIV->NETCRR &= ~NETC_PRIV_NETCRR_LOCK_MASK;
while ((NETC_PRIV->NETCRR & NETC_PRIV_NETCRR_LOCK_MASK) != 0U) {
}
/* Lock the IERB. */
NETC_PRIV->NETCRR |= NETC_PRIV_NETCRR_LOCK_MASK;
while ((NETC_PRIV->NETCSR & NETC_PRIV_NETCSR_STATE_MASK) != 0U) {
}
#endif
return 0;
}
/*
* Because platform is using ARM SCMI, drivers like scmi, mbox etc. are
* initialized during PRE_KERNEL_1. Common init hooks is not able to use.
* SoC early init and board early init could be run during PRE_KERNEL_2 instead.
*/
SYS_INIT(board_init, PRE_KERNEL_2, 10);