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openwrt/target/linux/microchipsw/patches-6.12/0031-v6.13-net-sparx5-add-ops-to-match-data.patch
Robert Marko 88a404a2d1
microchipsw: add support for Microchip LAN969x switches 
Add a new microchipsw target aimed add supporting Microchip switch
SoC-s.

Start by supporting LAN969x SoC-s as the first subtarget.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
2025-12-03 12:13:17 +01:00

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From 9a6d927f8d9386fcabe4b93aa1bf16a0796e69fb Mon Sep 17 00:00:00 2001
From: Daniel Machon <daniel.machon@microchip.com>
Date: Fri, 4 Oct 2024 15:19:34 +0200
Subject: [PATCH 36/82] net: sparx5: add ops to match data
Add new struct sparx5_ops, containing functions that needs to be
different as the implementation differs on Sparx5 and lan969x. Initially
we add functions for checking the port type (2g5, 5g, 10g or 25g) based
on the port number. Update the code to use the ops instead of the
platform specific functions.
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
.../ethernet/microchip/sparx5/sparx5_main.c | 8 +++++
.../ethernet/microchip/sparx5/sparx5_main.h | 8 +++++
.../ethernet/microchip/sparx5/sparx5_port.c | 34 +++++++++++--------
.../ethernet/microchip/sparx5/sparx5_port.h | 12 ++++---
4 files changed, 44 insertions(+), 18 deletions(-)
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
@@ -982,12 +982,20 @@ static const struct sparx5_consts sparx5
.tod_pin = 4,
};
+static const struct sparx5_ops sparx5_ops = {
+ .is_port_2g5 = &sparx5_port_is_2g5,
+ .is_port_5g = &sparx5_port_is_5g,
+ .is_port_10g = &sparx5_port_is_10g,
+ .is_port_25g = &sparx5_port_is_25g,
+};
+
static const struct sparx5_match_data sparx5_desc = {
.iomap = sparx5_main_iomap,
.iomap_size = ARRAY_SIZE(sparx5_main_iomap),
.ioranges = 3,
.regs = &sparx5_regs,
.consts = &sparx5_consts,
+ .ops = &sparx5_ops,
};
static const struct of_device_id mchp_sparx5_match[] = {
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.h
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.h
@@ -258,6 +258,13 @@ struct sparx5_consts {
u32 tod_pin; /* PTP TOD pin */
};
+struct sparx5_ops {
+ bool (*is_port_2g5)(int portno);
+ bool (*is_port_5g)(int portno);
+ bool (*is_port_10g)(int portno);
+ bool (*is_port_25g)(int portno);
+};
+
struct sparx5_main_io_resource {
enum sparx5_target id;
phys_addr_t offset;
@@ -267,6 +274,7 @@ struct sparx5_main_io_resource {
struct sparx5_match_data {
const struct sparx5_regs *regs;
const struct sparx5_consts *consts;
+ const struct sparx5_ops *ops;
const struct sparx5_main_io_resource *iomap;
int ioranges;
int iomap_size;
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c
@@ -213,11 +213,13 @@ static int sparx5_port_verify_speed(stru
struct sparx5_port *port,
struct sparx5_port_config *conf)
{
- if ((sparx5_port_is_2g5(port->portno) &&
+ const struct sparx5_ops *ops = sparx5->data->ops;
+
+ if ((ops->is_port_2g5(port->portno) &&
conf->speed > SPEED_2500) ||
- (sparx5_port_is_5g(port->portno) &&
+ (ops->is_port_5g(port->portno) &&
conf->speed > SPEED_5000) ||
- (sparx5_port_is_10g(port->portno) &&
+ (ops->is_port_10g(port->portno) &&
conf->speed > SPEED_10000))
return sparx5_port_error(port, conf, SPX5_PERR_SPEED);
@@ -226,14 +228,14 @@ static int sparx5_port_verify_speed(stru
return -EINVAL;
case PHY_INTERFACE_MODE_1000BASEX:
if (conf->speed != SPEED_1000 ||
- sparx5_port_is_2g5(port->portno))
+ ops->is_port_2g5(port->portno))
return sparx5_port_error(port, conf, SPX5_PERR_SPEED);
- if (sparx5_port_is_2g5(port->portno))
+ if (ops->is_port_2g5(port->portno))
return sparx5_port_error(port, conf, SPX5_PERR_IFTYPE);
break;
case PHY_INTERFACE_MODE_2500BASEX:
if (conf->speed != SPEED_2500 ||
- sparx5_port_is_2g5(port->portno))
+ ops->is_port_2g5(port->portno))
return sparx5_port_error(port, conf, SPX5_PERR_SPEED);
break;
case PHY_INTERFACE_MODE_QSGMII:
@@ -320,6 +322,7 @@ static int sparx5_port_disable(struct sp
u32 dev = high_spd_dev ?
sparx5_to_high_dev(sparx5, port->portno) : TARGET_DEV2G5;
void __iomem *devinst = spx5_inst_get(sparx5, dev, tinst);
+ const struct sparx5_ops *ops = sparx5->data->ops;
u32 spd = port->conf.speed;
u32 spd_prm;
int err;
@@ -436,7 +439,7 @@ static int sparx5_port_disable(struct sp
pcsinst,
PCS10G_BR_PCS_CFG(0));
- if (sparx5_port_is_25g(port->portno))
+ if (ops->is_port_25g(port->portno))
/* Disable 25G PCS */
spx5_rmw(DEV25G_PCS25G_CFG_PCS25G_ENA_SET(0),
DEV25G_PCS25G_CFG_PCS25G_ENA,
@@ -561,6 +564,7 @@ static int sparx5_port_max_tags_set(stru
u32 dev = sparx5_to_high_dev(sparx5, port->portno);
u32 tinst = sparx5_port_dev_index(sparx5, port->portno);
void __iomem *inst = spx5_inst_get(sparx5, dev, tinst);
+ const struct sparx5_ops *ops = sparx5->data->ops;
u32 etype;
etype = (vlan_type == SPX5_VLAN_PORT_TYPE_S_CUSTOM ?
@@ -575,7 +579,7 @@ static int sparx5_port_max_tags_set(stru
sparx5,
DEV2G5_MAC_TAGS_CFG(port->portno));
- if (sparx5_port_is_2g5(port->portno))
+ if (ops->is_port_2g5(port->portno))
return 0;
spx5_inst_rmw(DEV10G_MAC_TAGS_CFG_TAG_ID_SET(etype) |
@@ -844,18 +848,19 @@ static int sparx5_port_pcs_high_set(stru
static void sparx5_dev_switch(struct sparx5 *sparx5, int port, bool hsd)
{
int bt_indx = BIT(sparx5_port_dev_index(sparx5, port));
+ const struct sparx5_ops *ops = sparx5->data->ops;
- if (sparx5_port_is_5g(port)) {
+ if (ops->is_port_5g(port)) {
spx5_rmw(hsd ? 0 : bt_indx,
bt_indx,
sparx5,
PORT_CONF_DEV5G_MODES);
- } else if (sparx5_port_is_10g(port)) {
+ } else if (ops->is_port_10g(port)) {
spx5_rmw(hsd ? 0 : bt_indx,
bt_indx,
sparx5,
PORT_CONF_DEV10G_MODES);
- } else if (sparx5_port_is_25g(port)) {
+ } else if (ops->is_port_25g(port)) {
spx5_rmw(hsd ? 0 : bt_indx,
bt_indx,
sparx5,
@@ -1016,6 +1021,7 @@ int sparx5_port_init(struct sparx5 *spar
{
u32 pause_start = sparx5_wm_enc(6 * (ETH_MAXLEN / SPX5_BUFFER_CELL_SZ));
u32 atop = sparx5_wm_enc(20 * (ETH_MAXLEN / SPX5_BUFFER_CELL_SZ));
+ const struct sparx5_ops *ops = sparx5->data->ops;
u32 devhigh = sparx5_to_high_dev(sparx5, port->portno);
u32 pix = sparx5_port_dev_index(sparx5, port->portno);
u32 pcs = sparx5_to_pcs_dev(sparx5, port->portno);
@@ -1082,7 +1088,7 @@ int sparx5_port_init(struct sparx5 *spar
if (err)
return err;
- if (!sparx5_port_is_2g5(port->portno))
+ if (!ops->is_port_2g5(port->portno))
/* Enable shadow device */
spx5_rmw(DSM_DEV_TX_STOP_WM_CFG_DEV10G_SHADOW_ENA_SET(1),
DSM_DEV_TX_STOP_WM_CFG_DEV10G_SHADOW_ENA,
@@ -1105,7 +1111,7 @@ int sparx5_port_init(struct sparx5 *spar
sparx5,
DEV2G5_MAC_IFG_CFG(port->portno));
- if (sparx5_port_is_2g5(port->portno))
+ if (ops->is_port_2g5(port->portno))
return 0; /* Low speed device only - return */
/* Now setup the high speed device */
@@ -1128,7 +1134,7 @@ int sparx5_port_init(struct sparx5 *spar
pcsinst,
PCS10G_BR_PCS_SD_CFG(0));
- if (sparx5_port_is_25g(port->portno)) {
+ if (ops->is_port_25g(port->portno)) {
/* Handle Signal Detect in 25G PCS */
spx5_wr(DEV25G_PCS25G_SD_CFG_SD_POL_SET(sd_pol) |
DEV25G_PCS25G_SD_CFG_SD_SEL_SET(sd_sel) |
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_port.h
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_port.h
@@ -42,18 +42,22 @@ static inline bool sparx5_port_is_25g(in
static inline u32 sparx5_to_high_dev(struct sparx5 *sparx5, int port)
{
- if (sparx5_port_is_5g(port))
+ const struct sparx5_ops *ops = sparx5->data->ops;
+
+ if (ops->is_port_5g(port))
return TARGET_DEV5G;
- if (sparx5_port_is_10g(port))
+ if (ops->is_port_10g(port))
return TARGET_DEV10G;
return TARGET_DEV25G;
}
static inline u32 sparx5_to_pcs_dev(struct sparx5 *sparx5, int port)
{
- if (sparx5_port_is_5g(port))
+ const struct sparx5_ops *ops = sparx5->data->ops;
+
+ if (ops->is_port_5g(port))
return TARGET_PCS5G_BR;
- if (sparx5_port_is_10g(port))
+ if (ops->is_port_10g(port))
return TARGET_PCS10G_BR;
return TARGET_PCS25G_BR;
}
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