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openwrt-mirror/target/linux/microchipsw/patches-6.12/0050-v6.13-net-sparx5-use-is_sparx5-macro-throughout.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 ad3d33e6ac44359d2414f11bcaf1ebb8ba64346d Mon Sep 17 00:00:00 2001
From: Daniel Machon <daniel.machon@microchip.com>
Date: Thu, 24 Oct 2024 00:01:31 +0200
Subject: [PATCH 55/82] net: sparx5: use is_sparx5() macro throughout
Use the is_sparx5() macro (introduced in earlier series [1]), in places
where we need to handle things a bit differently on lan969x.
These places are:
- in sparx5_dsm_calendar_update() we need to switch the calendar
from a to b on lan969x.
- in sparx5_start() we need to make sure the HSCH_SYS_CLK_PER
register is only touched on Sparx5.
- in sparx5_start() we need to disable VCAP and FDMA for lan969x
(will come in later series).
- in sparx5_mirror_port_get() we must make sure the
ANA_AC_PROBE_PORT_CFG1 register is only read on Sparx5.
- sparx5_netdev.c and sparx5_packet.c we need to use different IFH
(Internal Frame Header) offsets for lan969x.
- in sparx5_port_fifo_sz() we must bail out on lan969x.
- in sparx5_port_config_low_set() we must configure the phase
detection registers.
- in sparx5_port_config() and sparx5_port_init() we must do some
additional configuration of the port devices.
- in sparx5_dwrr_conf_set() we must derive the scheduling layer
[1] https://lore.kernel.org/netdev/20241004-b4-sparx5-lan969x-switch-driver-v2-8-d3290f581663@microchip.com/
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://patch.msgid.link/20241024-sparx5-lan969x-switch-driver-2-v2-12-a0b5fae88a0f@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../microchip/sparx5/sparx5_calendar.c | 21 ++++++++-
.../ethernet/microchip/sparx5/sparx5_main.c | 21 +++++----
.../ethernet/microchip/sparx5/sparx5_mirror.c | 10 +++-
.../ethernet/microchip/sparx5/sparx5_netdev.c | 17 ++++---
.../ethernet/microchip/sparx5/sparx5_packet.c | 3 +-
.../ethernet/microchip/sparx5/sparx5_port.c | 46 +++++++++++++++++++
.../ethernet/microchip/sparx5/sparx5_qos.c | 3 +-
7 files changed, 99 insertions(+), 22 deletions(-)
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_calendar.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_calendar.c
@@ -531,8 +531,18 @@ check_err:
static int sparx5_dsm_calendar_update(struct sparx5 *sparx5, u32 taxi,
struct sparx5_calendar_data *data)
{
- u32 idx;
- u32 cal_len = sparx5_dsm_cal_len(data->schedule), len;
+ u32 cal_len = sparx5_dsm_cal_len(data->schedule), len, idx;
+
+ if (!is_sparx5(sparx5)) {
+ u32 val, act;
+
+ val = spx5_rd(sparx5, DSM_TAXI_CAL_CFG(taxi));
+ act = DSM_TAXI_CAL_CFG_CAL_SEL_STAT_GET(val);
+
+ spx5_rmw(DSM_TAXI_CAL_CFG_CAL_PGM_SEL_SET(!act),
+ DSM_TAXI_CAL_CFG_CAL_PGM_SEL,
+ sparx5, DSM_TAXI_CAL_CFG(taxi));
+ }
spx5_rmw(DSM_TAXI_CAL_CFG_CAL_PGM_ENA_SET(1),
DSM_TAXI_CAL_CFG_CAL_PGM_ENA,
@@ -556,6 +566,13 @@ static int sparx5_dsm_calendar_update(st
DSM_TAXI_CAL_CFG(taxi)));
if (len != cal_len - 1)
goto update_err;
+
+ if (!is_sparx5(sparx5)) {
+ spx5_rmw(DSM_TAXI_CAL_CFG_CAL_SWITCH_SET(1),
+ DSM_TAXI_CAL_CFG_CAL_SWITCH,
+ sparx5, DSM_TAXI_CAL_CFG(taxi));
+ }
+
return 0;
update_err:
dev_err(sparx5->dev, "Incorrect calendar length: %u\n", len);
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
@@ -538,10 +538,11 @@ static int sparx5_init_coreclock(struct
sparx5->coreclock = freq;
clk_period = sparx5_clk_period(freq);
- spx5_rmw(HSCH_SYS_CLK_PER_100PS_SET(clk_period / 100),
- HSCH_SYS_CLK_PER_100PS,
- sparx5,
- HSCH_SYS_CLK_PER);
+ if (is_sparx5(sparx5))
+ spx5_rmw(HSCH_SYS_CLK_PER_100PS_SET(clk_period / 100),
+ HSCH_SYS_CLK_PER_100PS,
+ sparx5,
+ HSCH_SYS_CLK_PER);
spx5_rmw(ANA_AC_POL_BDLB_DLB_CTRL_CLK_PERIOD_01NS_SET(clk_period / 100),
ANA_AC_POL_BDLB_DLB_CTRL_CLK_PERIOD_01NS,
@@ -731,15 +732,17 @@ static int sparx5_start(struct sparx5 *s
if (err)
return err;
- err = sparx5_vcap_init(sparx5);
- if (err) {
- sparx5_unregister_notifier_blocks(sparx5);
- return err;
+ if (is_sparx5(sparx5)) {
+ err = sparx5_vcap_init(sparx5);
+ if (err) {
+ sparx5_unregister_notifier_blocks(sparx5);
+ return err;
+ }
}
/* Start Frame DMA with fallback to register based INJ/XTR */
err = -ENXIO;
- if (sparx5->fdma_irq >= 0) {
+ if (sparx5->fdma_irq >= 0 && is_sparx5(sparx5)) {
if (GCB_CHIP_ID_REV_ID_GET(sparx5->chip_id) > 0)
err = devm_request_irq(sparx5->dev,
sparx5->fdma_irq,
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_mirror.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_mirror.c
@@ -24,8 +24,14 @@ static u32 sparx5_mirror_to_dir(bool ing
/* Get ports belonging to this mirror */
static u64 sparx5_mirror_port_get(struct sparx5 *sparx5, u32 idx)
{
- return (u64)spx5_rd(sparx5, ANA_AC_PROBE_PORT_CFG1(idx)) << 32 |
- spx5_rd(sparx5, ANA_AC_PROBE_PORT_CFG(idx));
+ u64 val;
+
+ val = spx5_rd(sparx5, ANA_AC_PROBE_PORT_CFG(idx));
+
+ if (is_sparx5(sparx5))
+ val |= (u64)spx5_rd(sparx5, ANA_AC_PROBE_PORT_CFG1(idx)) << 32;
+
+ return val;
}
/* Add port to mirror (only front ports) */
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
@@ -64,16 +64,16 @@ void sparx5_set_port_ifh(struct sparx5 *
/* MISC.CPU_MASK/DPORT = Destination port */
ifh_encode_bitfield(ifh_hdr, portno, 29, 8);
/* MISC.PIPELINE_PT */
- ifh_encode_bitfield(ifh_hdr, 16, 37, 5);
+ ifh_encode_bitfield(ifh_hdr, is_sparx5(sparx5) ? 16 : 17, 37, 5);
/* MISC.PIPELINE_ACT */
ifh_encode_bitfield(ifh_hdr, 1, 42, 3);
/* FWD.SRC_PORT = CPU */
ifh_encode_bitfield(ifh_hdr, sparx5_get_pgid(sparx5, SPX5_PORT_CPU_0),
- 46, 7);
+ 46, is_sparx5(sparx5) ? 7 : 6);
/* FWD.SFLOW_ID (disable SFlow sampling) */
- ifh_encode_bitfield(ifh_hdr, 124, 57, 7);
+ ifh_encode_bitfield(ifh_hdr, 124, is_sparx5(sparx5) ? 57 : 56, 7);
/* FWD.UPDATE_FCS = Enable. Enforce update of FCS. */
- ifh_encode_bitfield(ifh_hdr, 1, 67, 1);
+ ifh_encode_bitfield(ifh_hdr, 1, is_sparx5(sparx5) ? 67 : 66, 1);
}
void sparx5_set_port_ifh_rew_op(void *ifh_hdr, u32 rew_op)
@@ -84,19 +84,22 @@ void sparx5_set_port_ifh_rew_op(void *if
void sparx5_set_port_ifh_pdu_type(struct sparx5 *sparx5, void *ifh_hdr,
u32 pdu_type)
{
- ifh_encode_bitfield(ifh_hdr, pdu_type, 191, 4);
+ ifh_encode_bitfield(ifh_hdr, pdu_type, is_sparx5(sparx5) ? 191 : 190,
+ 4);
}
void sparx5_set_port_ifh_pdu_w16_offset(struct sparx5 *sparx5, void *ifh_hdr,
u32 pdu_w16_offset)
{
- ifh_encode_bitfield(ifh_hdr, pdu_w16_offset, 195, 6);
+ ifh_encode_bitfield(ifh_hdr, pdu_w16_offset,
+ is_sparx5(sparx5) ? 195 : 194, 6);
}
void sparx5_set_port_ifh_timestamp(struct sparx5 *sparx5, void *ifh_hdr,
u64 timestamp)
{
- ifh_encode_bitfield(ifh_hdr, timestamp, 232, 40);
+ ifh_encode_bitfield(ifh_hdr, timestamp, 232,
+ is_sparx5(sparx5) ? 40 : 38);
}
static int sparx5_port_open(struct net_device *ndev)
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
@@ -43,7 +43,8 @@ void sparx5_ifh_parse(struct sparx5 *spa
((u32)xtr_hdr[29] << 8) |
((u32)xtr_hdr[30] << 0);
fwd = (fwd >> 5);
- info->src_port = FIELD_GET(GENMASK(7, 1), fwd);
+ info->src_port = spx5_field_get(GENMASK(is_sparx5(sparx5) ? 7 : 6, 1),
+ fwd);
/*
* Bit 270-271 are occasionally unexpectedly set by the hardware,
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c
@@ -476,6 +476,9 @@ static int sparx5_port_fifo_sz(struct sp
u32 mac_width = 8;
u32 addition = 0;
+ if (!is_sparx5(sparx5))
+ return 0;
+
switch (speed) {
case SPEED_25000:
return 0;
@@ -921,6 +924,20 @@ static int sparx5_port_config_low_set(st
sparx5,
DEV2G5_DEV_RST_CTRL(port->portno));
+ /* Enable PHAD_CTRL for better timestamping */
+ if (!is_sparx5(sparx5)) {
+ for (int i = 0; i < 2; ++i) {
+ /* Divide the port clock by three for the two
+ * phase detection registers.
+ */
+ spx5_rmw(DEV2G5_PHAD_CTRL_DIV_CFG_SET(3) |
+ DEV2G5_PHAD_CTRL_PHAD_ENA_SET(1),
+ DEV2G5_PHAD_CTRL_DIV_CFG |
+ DEV2G5_PHAD_CTRL_PHAD_ENA,
+ sparx5, DEV2G5_PHAD_CTRL(port->portno, i));
+ }
+ }
+
return 0;
}
@@ -978,6 +995,7 @@ int sparx5_port_config(struct sparx5 *sp
struct sparx5_port_config *conf)
{
bool high_speed_dev = sparx5_is_baser(conf->portmode);
+ const struct sparx5_ops *ops = sparx5->data->ops;
int err, urgency, stop_wm;
err = sparx5_port_verify_speed(sparx5, port, conf);
@@ -993,6 +1011,13 @@ int sparx5_port_config(struct sparx5 *sp
if (err)
return err;
+ if (!is_sparx5(sparx5) && ops->is_port_10g(port->portno) &&
+ conf->speed < SPEED_10000)
+ spx5_rmw(DSM_DEV_TX_STOP_WM_CFG_DEV10G_SHADOW_ENA_SET(1),
+ DSM_DEV_TX_STOP_WM_CFG_DEV10G_SHADOW_ENA,
+ sparx5,
+ DSM_DEV_TX_STOP_WM_CFG(port->portno));
+
/* Set the DSM stop watermark */
stop_wm = sparx5_port_fifo_sz(sparx5, port->portno, conf->speed);
spx5_rmw(DSM_DEV_TX_STOP_WM_CFG_DEV_TX_STOP_WM_SET(stop_wm),
@@ -1144,6 +1169,27 @@ int sparx5_port_init(struct sparx5 *spar
DEV25G_PCS25G_SD_CFG(pix));
}
+ if (!is_sparx5(sparx5)) {
+ void __iomem *inst;
+ u32 dev, tinst;
+
+ if (ops->is_port_10g(port->portno)) {
+ dev = sparx5_to_high_dev(sparx5, port->portno);
+ tinst = sparx5_port_dev_index(sparx5, port->portno);
+ inst = spx5_inst_get(sparx5, dev, tinst);
+
+ spx5_inst_wr(5, inst,
+ DEV10G_PTP_STAMPER_CFG(port->portno));
+ } else if (ops->is_port_5g(port->portno)) {
+ dev = sparx5_to_high_dev(sparx5, port->portno);
+ tinst = sparx5_port_dev_index(sparx5, port->portno);
+ inst = spx5_inst_get(sparx5, dev, tinst);
+
+ spx5_inst_wr(5, inst,
+ DEV5G_PTP_STAMPER_CFG(port->portno));
+ }
+ }
+
return 0;
}
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_qos.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_qos.c
@@ -367,9 +367,10 @@ static u32 sparx5_weight_to_hw_cost(u32
static int sparx5_dwrr_conf_set(struct sparx5_port *port,
struct sparx5_dwrr *dwrr)
{
+ u32 layer = is_sparx5(port->sparx5) ? 2 : 1;
int i;
- spx5_rmw(HSCH_HSCH_CFG_CFG_HSCH_LAYER_SET(2) |
+ spx5_rmw(HSCH_HSCH_CFG_CFG_HSCH_LAYER_SET(layer) |
HSCH_HSCH_CFG_CFG_CFG_SE_IDX_SET(port->portno),
HSCH_HSCH_CFG_CFG_HSCH_LAYER | HSCH_HSCH_CFG_CFG_CFG_SE_IDX,
port->sparx5, HSCH_HSCH_CFG_CFG);
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