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authorIdo Schimmel <idosch@nvidia.com>2021-10-06 13:46:43 +0300
committerJakub Kicinski <kuba@kernel.org>2021-10-06 17:47:49 -0700
commitf10ba086f7e30904ea7cafe7ba922bafc65ad9ad (patch)
treee1b85c9b89659b8293fecd37ece63a84669d4fb6 /drivers/net/ethernet/mellanox
parentethtool: Add ability to control transceiver modules' power mode (diff)
downloadlinux-dev-f10ba086f7e30904ea7cafe7ba922bafc65ad9ad.tar.xz
linux-dev-f10ba086f7e30904ea7cafe7ba922bafc65ad9ad.zip
mlxsw: reg: Add Port Module Memory Map Properties register
Add the Port Module Memory Map Properties register. It will be used to set the power mode of a module in subsequent patches. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/reg.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index c5fad3c94fac..bff05a0a2f7a 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -5946,6 +5946,55 @@ static inline void mlxsw_reg_pddr_pack(char *payload, u8 local_port,
mlxsw_reg_pddr_page_select_set(payload, page_select);
}
+/* PMMP - Port Module Memory Map Properties Register
+ * -------------------------------------------------
+ * The PMMP register allows to override the module memory map advertisement.
+ * The register can only be set when the module is disabled by PMAOS register.
+ */
+#define MLXSW_REG_PMMP_ID 0x5044
+#define MLXSW_REG_PMMP_LEN 0x2C
+
+MLXSW_REG_DEFINE(pmmp, MLXSW_REG_PMMP_ID, MLXSW_REG_PMMP_LEN);
+
+/* reg_pmmp_module
+ * Module number.
+ * Access: Index
+ */
+MLXSW_ITEM32(reg, pmmp, module, 0x00, 16, 8);
+
+/* reg_pmmp_sticky
+ * When set, will keep eeprom_override values after plug-out event.
+ * Access: OP
+ */
+MLXSW_ITEM32(reg, pmmp, sticky, 0x00, 0, 1);
+
+/* reg_pmmp_eeprom_override_mask
+ * Write mask bit (negative polarity).
+ * 0 - Allow write
+ * 1 - Ignore write
+ * On write, indicates which of the bits from eeprom_override field are
+ * updated.
+ * Access: WO
+ */
+MLXSW_ITEM32(reg, pmmp, eeprom_override_mask, 0x04, 16, 16);
+
+enum {
+ /* Set module to low power mode */
+ MLXSW_REG_PMMP_EEPROM_OVERRIDE_LOW_POWER_MASK = BIT(8),
+};
+
+/* reg_pmmp_eeprom_override
+ * Override / ignore EEPROM advertisement properties bitmask
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, pmmp, eeprom_override, 0x04, 0, 16);
+
+static inline void mlxsw_reg_pmmp_pack(char *payload, u8 module)
+{
+ MLXSW_REG_ZERO(pmmp, payload);
+ mlxsw_reg_pmmp_module_set(payload, module);
+}
+
/* PLLP - Port Local port to Label Port mapping Register
* -----------------------------------------------------
* The PLLP register returns the mapping from Local Port into Label Port.
@@ -12348,6 +12397,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
MLXSW_REG(pmtdb),
MLXSW_REG(pmpe),
MLXSW_REG(pddr),
+ MLXSW_REG(pmmp),
MLXSW_REG(pllp),
MLXSW_REG(htgt),
MLXSW_REG(hpkt),