From ab25c37ca20274cbf51ab603aa44f682cf5b51b5 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Tue, 19 Jan 2021 12:16:58 +0100 Subject: [PATCH] mlxsw: reg: Add Management DownStream Device Control Register The MDDC register allows control downstream devices and line cards. Signed-off-by: Jiri Pirko --- drivers/net/ethernet/mellanox/mlxsw/reg.h | 37 +++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index d5301bd6f..9cbdf407f 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -10530,6 +10530,42 @@ mlxsw_reg_mddq_slot_name_unpack(const char *payload, char *slot_ascii_name) mlxsw_reg_mddq_slot_ascii_name_memcpy_from(payload, slot_ascii_name); } +/* MDDC - Management DownStream Device Control Register + * ---------------------------------------------------- + * This register allows control downstream devices and line cards. + */ +#define MLXSW_REG_MDDC_ID 0x9163 +#define MLXSW_REG_MDDC_LEN 0x30 + +MLXSW_REG_DEFINE(mddc, MLXSW_REG_MDDC_ID, MLXSW_REG_MDDC_LEN); + +/* reg_mddc_slot_index + * Slot index. 0 is reserved. + * Access: Index + */ +MLXSW_ITEM32(reg, mddc, slot_index, 0x00, 0, 4); + +/* reg_mddc_rst + * Reset request. + * Access: RW + */ +MLXSW_ITEM32(reg, mddc, rst, 0x04, 29, 1); + +/* reg_mddc_device_enable + * When set, FW is the manager and allowed to program the Downstream Device. + * Access: RW + */ +MLXSW_ITEM32(reg, mddc, device_enable, 0x04, 28, 1); + +static inline void mlxsw_reg_mddc_pack(char *payload, u8 slot_index, bool rst, + bool device_enable) +{ + MLXSW_REG_ZERO(mddc, payload); + mlxsw_reg_mddc_slot_index_set(payload, slot_index); + mlxsw_reg_mddc_rst_set(payload, rst); + mlxsw_reg_mddc_device_enable_set(payload, device_enable); +} + /* MFDE - Monitoring FW Debug Register * ----------------------------------- */ @@ -11730,6 +11766,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = { MLXSW_REG(mfgd), MLXSW_REG(mgpir), MLXSW_REG(mddq), + MLXSW_REG(mddc), MLXSW_REG(mfde), MLXSW_REG(tngcr), MLXSW_REG(tnumt), -- 2.30.2