| /* |
| * Copyright 2024 NXP |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/devicetree.h> |
| #include <zephyr/platform/hooks.h> |
| #include <soc.h> |
| |
| #if CONFIG_BOARD_EARLY_INIT_HOOK |
| void board_early_init_hook(void) |
| { |
| #if defined(CONFIG_ETH_NXP_IMX_NETC) && (DT_CHILD_NUM_STATUS_OKAY(DT_NODELABEL(netc)) != 0) |
| /* RMII mode */ |
| BLK_CTRL_WAKEUPMIX->NETC_LINK_CFG[4] = BLK_CTRL_WAKEUPMIX_NETC_LINK_CFG_MII_PROT(1); |
| |
| /* Output reference clock for RMII */ |
| BLK_CTRL_WAKEUPMIX->NETC_PORT_MISC_CFG |= |
| BLK_CTRL_WAKEUPMIX_NETC_PORT_MISC_CFG_PORT4_RMII_REF_CLK_DIR_MASK; |
| |
| /* 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) { |
| } |
| |
| /* Set the access attribute, otherwise MSIX access will be blocked. */ |
| NETC_IERB->ARRAY_NUM_RC[0].RCMSIAMQR &= ~(7U << 27); |
| NETC_IERB->ARRAY_NUM_RC[0].RCMSIAMQR |= (1U << 27); |
| |
| /* Lock the IERB. */ |
| NETC_PRIV->NETCRR |= NETC_PRIV_NETCRR_LOCK_MASK; |
| while ((NETC_PRIV->NETCSR & NETC_PRIV_NETCSR_STATE_MASK) != 0U) { |
| } |
| #endif |
| } |
| #endif |
