diff --git a/boards/arm/ip_k66f/linker.ld b/boards/arm/ip_k66f/linker.ld new file mode 100644 index 00000000000..9641df553e1 --- /dev/null +++ b/boards/arm/ip_k66f/linker.ld @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2021 DENX Software Engineeering GmbH + * + * SPDX-License-Identifier: Apache-2.0 + */ + +/** + * @file + * @brief Linker command/script file + * + * This is the linker script for ip_k66f board to allow ethernet + * interfaces placement. + */ + +/* + * Explicit placement of the ethernet interfaces + * + * eth0 is the "master" port for the DSA switch and hence shall be + * placed on the index (position) 1 (as net_if_get_by_index() uses + * internally '_net_if_list_start[index - 1]' linker generated symbol). + * + * lan{123} shall be placed afterwards (sorted) so the order will be + * correctly preserved. + * + * If ip_k66f have had eth1 interface - it shall be placed afterwards + * + * The last entry with `._net_if.static.*` is to accommodate ethernet + * interfaces created in tests/samples - like e.g. _net_if.static.eth_test) + * in tests/net/vlan/src/main.c + */ + +#define NETWORK_RAM_SECTIONS \ +SECTION_DATA_PROLOGUE(net_if_area,,SUBALIGN(4)) \ +{ \ + _net_if_list_start = .; \ + KEEP(*(._net_if.static.dts*)); \ + KEEP(*(SORT_BY_NAME(._net_if.static.dsa_slave*))); \ + KEEP(*(SORT_BY_NAME(._net_if.static.*))); \ + _net_if_list_end = .; \ +} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) \ +Z_ITERABLE_SECTION_RAM(net_if_dev, 4) \ +Z_ITERABLE_SECTION_RAM(net_l2, 4) + +#include