From 77b0e0c151481c2cf585cedce303017a3eeef875 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Beh=C3=BAn?= Date: Thu, 4 Apr 2024 09:50:56 +0200 Subject: [PATCH] arm: mvebu: turris_omnia: Disable Atmel SHA node if not present MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit If the FEAT_CRYPTO feature bit is present in MCU features, the board crypto is implemented by MCU and the Atmel SHA chip is not present. Disable Atmel SHA device-tree node in that case. Signed-off-by: Marek Behún Reviewed-by: Stefan Roese --- board/CZ.NIC/turris_omnia/turris_omnia.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/board/CZ.NIC/turris_omnia/turris_omnia.c b/board/CZ.NIC/turris_omnia/turris_omnia.c index b2f0088e5e..3b7a71bdad 100644 --- a/board/CZ.NIC/turris_omnia/turris_omnia.c +++ b/board/CZ.NIC/turris_omnia/turris_omnia.c @@ -1007,6 +1007,25 @@ static int fixup_mcu_gpio_in_eth_wan_node(void *blob) return 0; } +static void fixup_atsha_node(void *blob) +{ + int node; + + if (!omnia_mcu_has_feature(FEAT_CRYPTO)) + return; + + node = fdt_node_offset_by_compatible(blob, -1, "atmel,atsha204a"); + if (node < 0) { + printf("Cannot find ATSHA204A node!\n"); + return; + } + + if (fdt_status_disabled(blob, node) < 0) + printf("Cannot disable ATSHA204A node!\n"); + else + debug("Disabled ATSHA204A node\n"); +} + #endif #if IS_ENABLED(CONFIG_OF_BOARD_FIXUP) @@ -1020,6 +1039,8 @@ int board_fix_fdt(void *blob) fixup_msata_port_nodes(blob); fixup_wwan_port_nodes(blob); + fixup_atsha_node(blob); + return 0; } #endif @@ -1211,6 +1232,8 @@ int ft_board_setup(void *blob, struct bd_info *bd) fixup_msata_port_nodes(blob); fixup_wwan_port_nodes(blob); + fixup_atsha_node(blob); + return 0; } #endif -- 2.39.5