| Message ID | 20240327162355.24584-8-kabel@kernel.org |
|---|---|
| State | Superseded |
| Delegated to: | Stefan Roese |
| Headers | show |
| Series | Turris Omnia - New board revision support | expand |
On 3/27/24 17:23, Marek Behún wrote: > 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 <kabel@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de> Thanks, Stefan > --- > 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 Viele Grüße, Stefan Roese
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
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 <kabel@kernel.org> --- board/CZ.NIC/turris_omnia/turris_omnia.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)