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openwrt/target/linux/airoha/patches-6.6/010-08-v6.12-net-airoha-Link-the-gdm-port-to-the-selected-qdma-co.patch
Christian Marangi 9131cb44ff
airoha: Introduce EN7581 SoC support 
Introduce EN7581 SoC support with currently rfb board supported.

This is a new 64bit SoC from Airoha that is currently almost fully
supported upstream with only the DTS missing. Setting source-only
waiting for the full upstream support to be completed.

Link: https://github.com/openwrt/openwrt/pull/16730
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2024-10-20 23:24:08 +02:00

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From 9304640f2f78147dddf97a5ea01502ae175e41d9 Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Thu, 1 Aug 2024 16:35:10 +0200
Subject: [PATCH 8/8] net: airoha: Link the gdm port to the selected qdma
controller
Link the running gdm port to the qdma controller used to connect with
the CPU. Moreover, load all QDMA controllers available on EN7581 SoC.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/95b515df34ba4727f7ae5b14a1d0462cceec84ff.1722522582.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mediatek/airoha_eth.c | 37 +++++++++++-----------
1 file changed, 19 insertions(+), 18 deletions(-)
--- a/drivers/net/ethernet/mediatek/airoha_eth.c
+++ b/drivers/net/ethernet/mediatek/airoha_eth.c
@@ -18,7 +18,7 @@
#include <uapi/linux/ppp_defs.h>
#define AIROHA_MAX_NUM_GDM_PORTS 1
-#define AIROHA_MAX_NUM_QDMA 1
+#define AIROHA_MAX_NUM_QDMA 2
#define AIROHA_MAX_NUM_RSTS 3
#define AIROHA_MAX_NUM_XSI_RSTS 5
#define AIROHA_MAX_MTU 2000
@@ -805,8 +805,8 @@ struct airoha_qdma {
};
struct airoha_gdm_port {
+ struct airoha_qdma *qdma;
struct net_device *dev;
- struct airoha_eth *eth;
int id;
struct airoha_hw_stats stats;
@@ -2139,7 +2139,7 @@ static void airoha_qdma_start_napi(struc
static void airoha_update_hw_stats(struct airoha_gdm_port *port)
{
- struct airoha_eth *eth = port->eth;
+ struct airoha_eth *eth = port->qdma->eth;
u32 val, i = 0;
spin_lock(&port->stats.lock);
@@ -2284,22 +2284,22 @@ static void airoha_update_hw_stats(struc
static int airoha_dev_open(struct net_device *dev)
{
struct airoha_gdm_port *port = netdev_priv(dev);
- struct airoha_eth *eth = port->eth;
+ struct airoha_qdma *qdma = port->qdma;
int err;
netif_tx_start_all_queues(dev);
- err = airoha_set_gdm_ports(eth, true);
+ err = airoha_set_gdm_ports(qdma->eth, true);
if (err)
return err;
if (netdev_uses_dsa(dev))
- airoha_fe_set(eth, REG_GDM_INGRESS_CFG(port->id),
+ airoha_fe_set(qdma->eth, REG_GDM_INGRESS_CFG(port->id),
GDM_STAG_EN_MASK);
else
- airoha_fe_clear(eth, REG_GDM_INGRESS_CFG(port->id),
+ airoha_fe_clear(qdma->eth, REG_GDM_INGRESS_CFG(port->id),
GDM_STAG_EN_MASK);
- airoha_qdma_set(&eth->qdma[0], REG_QDMA_GLOBAL_CFG,
+ airoha_qdma_set(qdma, REG_QDMA_GLOBAL_CFG,
GLOBAL_CFG_TX_DMA_EN_MASK |
GLOBAL_CFG_RX_DMA_EN_MASK);
@@ -2309,15 +2309,15 @@ static int airoha_dev_open(struct net_de
static int airoha_dev_stop(struct net_device *dev)
{
struct airoha_gdm_port *port = netdev_priv(dev);
- struct airoha_eth *eth = port->eth;
+ struct airoha_qdma *qdma = port->qdma;
int err;
netif_tx_disable(dev);
- err = airoha_set_gdm_ports(eth, false);
+ err = airoha_set_gdm_ports(qdma->eth, false);
if (err)
return err;
- airoha_qdma_clear(&eth->qdma[0], REG_QDMA_GLOBAL_CFG,
+ airoha_qdma_clear(qdma, REG_QDMA_GLOBAL_CFG,
GLOBAL_CFG_TX_DMA_EN_MASK |
GLOBAL_CFG_RX_DMA_EN_MASK);
@@ -2333,7 +2333,7 @@ static int airoha_dev_set_macaddr(struct
if (err)
return err;
- airoha_set_macaddr(port->eth, dev->dev_addr);
+ airoha_set_macaddr(port->qdma->eth, dev->dev_addr);
return 0;
}
@@ -2342,7 +2342,7 @@ static int airoha_dev_init(struct net_de
{
struct airoha_gdm_port *port = netdev_priv(dev);
- airoha_set_macaddr(port->eth, dev->dev_addr);
+ airoha_set_macaddr(port->qdma->eth, dev->dev_addr);
return 0;
}
@@ -2376,10 +2376,9 @@ static netdev_tx_t airoha_dev_xmit(struc
struct airoha_gdm_port *port = netdev_priv(dev);
u32 msg0 = 0, msg1, len = skb_headlen(skb);
int i, qid = skb_get_queue_mapping(skb);
- struct airoha_eth *eth = port->eth;
+ struct airoha_qdma *qdma = port->qdma;
u32 nr_frags = 1 + sinfo->nr_frags;
struct netdev_queue *txq;
- struct airoha_qdma *qdma;
struct airoha_queue *q;
void *data = skb->data;
u16 index;
@@ -2407,7 +2406,6 @@ static netdev_tx_t airoha_dev_xmit(struc
msg1 = FIELD_PREP(QDMA_ETH_TXMSG_FPORT_MASK, fport) |
FIELD_PREP(QDMA_ETH_TXMSG_METER_MASK, 0x7f);
- qdma = &eth->qdma[0];
q = &qdma->q_tx[qid];
if (WARN_ON_ONCE(!q->ndesc))
goto error;
@@ -2490,7 +2488,7 @@ static void airoha_ethtool_get_drvinfo(s
struct ethtool_drvinfo *info)
{
struct airoha_gdm_port *port = netdev_priv(dev);
- struct airoha_eth *eth = port->eth;
+ struct airoha_eth *eth = port->qdma->eth;
strscpy(info->driver, eth->dev->driver->name, sizeof(info->driver));
strscpy(info->bus_info, dev_name(eth->dev), sizeof(info->bus_info));
@@ -2571,6 +2569,7 @@ static int airoha_alloc_gdm_port(struct
{
const __be32 *id_ptr = of_get_property(np, "reg", NULL);
struct airoha_gdm_port *port;
+ struct airoha_qdma *qdma;
struct net_device *dev;
int err, index;
u32 id;
@@ -2600,6 +2599,7 @@ static int airoha_alloc_gdm_port(struct
return -ENOMEM;
}
+ qdma = &eth->qdma[index % AIROHA_MAX_NUM_QDMA];
dev->netdev_ops = &airoha_netdev_ops;
dev->ethtool_ops = &airoha_ethtool_ops;
dev->max_mtu = AIROHA_MAX_MTU;
@@ -2609,6 +2609,7 @@ static int airoha_alloc_gdm_port(struct
NETIF_F_SG | NETIF_F_TSO;
dev->features |= dev->hw_features;
dev->dev.of_node = np;
+ dev->irq = qdma->irq;
SET_NETDEV_DEV(dev, eth->dev);
err = of_get_ethdev_address(np, dev);
@@ -2624,8 +2625,8 @@ static int airoha_alloc_gdm_port(struct
port = netdev_priv(dev);
u64_stats_init(&port->stats.syncp);
spin_lock_init(&port->stats.lock);
+ port->qdma = qdma;
port->dev = dev;
- port->eth = eth;
port->id = id;
eth->ports[index] = port;
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