From: Vadim Pasternak Date: Mon, 21 Apr 2025 09:20:49 +0000 (+0300) Subject: platform: mellanox: mlx-platform: Add support for new Nvidia system X-Git-Tag: v6.16-rc1~125^2~53 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=317bbe169c468b5dbe3ddc27b0a02f8981ede5b4;p=linux-2.6-block.git platform: mellanox: mlx-platform: Add support for new Nvidia system Add support for SN5640 and SN5610 Nvidia switches: - SN5610 is a 51.2Tbps switch based on Nvidia SPC-4 ASIC equipped with 64 OSFP ports supporting 2.5Gbps - 400Gbps speeds. - SN5640 is a 51.2Tbps switch based on Nvidia SPC-5 ASIC equipped with 64 OSFP ports supporting 10Gbps - 800Gbps speeds. Both equipped with: - Air-cooled with 4 + 1 redundant fan units. - 2 + 2 redundant 2000W PSUs. - System management board based on AMD CPU with secure-boot support. Reviewed-by: Oleksandr Shamray Signed-off-by: Vadim Pasternak Link: https://lore.kernel.org/r/20250421092051.7687-5-vadimp@nvidia.com Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen --- diff --git a/drivers/platform/mellanox/mlx-platform.c b/drivers/platform/mellanox/mlx-platform.c index 30e43aec8698..d0df18be93c7 100644 --- a/drivers/platform/mellanox/mlx-platform.c +++ b/drivers/platform/mellanox/mlx-platform.c @@ -3000,6 +3000,59 @@ struct mlxreg_core_hotplug_platform_data mlxplat_mlxcpld_l1_switch_data = { .mask_low = MLXPLAT_CPLD_LOW_AGGR_MASK_LOW | MLXPLAT_CPLD_LOW_AGGR_MASK_PWR_BUT, }; +/* Platform hotplug for 800G systems family data */ +static struct mlxreg_core_item mlxplat_mlxcpld_ng800_hi171_items[] = { + { + .data = mlxplat_mlxcpld_ext_psu_items_data, + .aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF, + .reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET, + .mask = MLXPLAT_CPLD_PSU_EXT_MASK, + .capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET, + .count = ARRAY_SIZE(mlxplat_mlxcpld_ext_psu_items_data), + .inversed = 1, + .health = false, + }, + { + .data = mlxplat_mlxcpld_modular_pwr_items_data, + .aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF, + .reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET, + .mask = MLXPLAT_CPLD_PWR_EXT_MASK, + .capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET, + .count = ARRAY_SIZE(mlxplat_mlxcpld_ext_pwr_items_data), + .inversed = 0, + .health = false, + }, + { + .data = mlxplat_mlxcpld_xdr_fan_items_data, + .aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF, + .reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET, + .mask = MLXPLAT_CPLD_FAN_XDR_MASK, + .capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET, + .count = ARRAY_SIZE(mlxplat_mlxcpld_xdr_fan_items_data), + .inversed = 1, + .health = false, + }, + { + .data = mlxplat_mlxcpld_default_asic_items_data, + .aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF, + .reg = MLXPLAT_CPLD_LPC_REG_ASIC_HEALTH_OFFSET, + .mask = MLXPLAT_CPLD_ASIC_MASK, + .count = ARRAY_SIZE(mlxplat_mlxcpld_default_asic_items_data), + .inversed = 0, + .health = true, + }, +}; + +static +struct mlxreg_core_hotplug_platform_data mlxplat_mlxcpld_ng800_hi171_data = { + .items = mlxplat_mlxcpld_ng800_hi171_items, + .count = ARRAY_SIZE(mlxplat_mlxcpld_ng800_hi171_items), + .cell = MLXPLAT_CPLD_LPC_REG_AGGR_OFFSET, + .mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF | MLXPLAT_CPLD_AGGR_MASK_COMEX, + .cell_low = MLXPLAT_CPLD_LPC_REG_AGGRLO_OFFSET, + .mask_low = MLXPLAT_CPLD_LOW_AGGR_MASK_LOW | MLXPLAT_CPLD_LOW_AGGR_MASK_ASIC2, +}; + /* Platform led default data */ static struct mlxreg_core_data mlxplat_mlxcpld_default_led_data[] = { { @@ -4486,6 +4539,12 @@ static struct mlxreg_core_data mlxplat_mlxcpld_default_ng_regs_io_data[] = { .mask = GENMASK(7, 0) & ~BIT(4), .mode = 0644, }, + { + .label = "shutdown_unlock", + .reg = MLXPLAT_CPLD_LPC_REG_GP0_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(5), + .mode = 0644, + }, { .label = "erot1_ap_reset", .reg = MLXPLAT_CPLD_LPC_REG_GP4_RO_OFFSET, @@ -7312,6 +7371,29 @@ static int __init mlxplat_dmi_smart_switch_matched(const struct dmi_system_id *d return mlxplat_register_platform_device(); } +static int __init mlxplat_dmi_ng400_hi171_matched(const struct dmi_system_id *dmi) +{ + unsigned int i; + + mlxplat_max_adap_num = MLXPLAT_CPLD_MAX_PHYS_ADAPTER_NUM; + mlxplat_mux_num = ARRAY_SIZE(mlxplat_ng800_mux_data); + mlxplat_mux_data = mlxplat_ng800_mux_data; + mlxplat_hotplug = &mlxplat_mlxcpld_ng800_hi171_data; + mlxplat_hotplug->deferred_nr = + mlxplat_msn21xx_channels[MLXPLAT_CPLD_GRP_CHNL_NUM - 1]; + mlxplat_led = &mlxplat_default_ng_led_data; + mlxplat_regs_io = &mlxplat_default_ng_regs_io_data; + mlxplat_fan = &mlxplat_xdr_fan_data; + + for (i = 0; i < ARRAY_SIZE(mlxplat_mlxcpld_wd_set_type3); i++) + mlxplat_wd_data[i] = &mlxplat_mlxcpld_wd_set_type3[i]; + + mlxplat_i2c = &mlxplat_mlxcpld_i2c_ng_data; + mlxplat_regmap_config = &mlxplat_mlxcpld_regmap_config_ng400; + + return mlxplat_register_platform_device(); +} + static const struct dmi_system_id mlxplat_dmi_table[] __initconst = { { .callback = mlxplat_dmi_default_wc_matched, @@ -7412,6 +7494,20 @@ static const struct dmi_system_id mlxplat_dmi_table[] __initconst = { DMI_MATCH(DMI_BOARD_NAME, "VMOD0019"), }, }, + { + .callback = mlxplat_dmi_ng400_hi171_matched, + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "VMOD0022"), + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "HI171"), + }, + }, + { + .callback = mlxplat_dmi_ng400_hi171_matched, + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "VMOD0022"), + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "HI172"), + }, + }, { .callback = mlxplat_dmi_msn274x_matched, .matches = {