Commit 5290a8ff authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

mlxsw: reg: Add Management DownStream Device Control Register 



The MDDC register allows to control downstream devices and line cards.

Signed-off-by: default avatarJiri Pirko <jiri@nvidia.com>
Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 505f524d

drivers/net/ethernet/mellanox/mlxsw/reg.h

+37 −0
Original line number Diff line number Diff line
@@ -11635,6 +11635,42 @@ 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 to 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: OP

 */

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

 * -----------------------------------

 */
@@ -12955,6 +12991,7 @@ 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),