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path: root/drivers/net/ethernet/mediatek/airoha_eth.c
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Diffstat (limited to 'drivers/net/ethernet/mediatek/airoha_eth.c')
-rw-r--r--drivers/net/ethernet/mediatek/airoha_eth.c533
1 files changed, 297 insertions, 236 deletions
diff --git a/drivers/net/ethernet/mediatek/airoha_eth.c b/drivers/net/ethernet/mediatek/airoha_eth.c
index 1c5b85a86df1..930f180688e5 100644
--- a/drivers/net/ethernet/mediatek/airoha_eth.c
+++ b/drivers/net/ethernet/mediatek/airoha_eth.c
@@ -18,6 +18,7 @@
#include <uapi/linux/ppp_defs.h>
#define AIROHA_MAX_NUM_GDM_PORTS 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
@@ -66,9 +67,11 @@
#define FE_RST_GDM3_MBI_ARB_MASK BIT(2)
#define FE_RST_CORE_MASK BIT(0)
+#define REG_FE_WAN_MAC_H 0x0030
#define REG_FE_LAN_MAC_H 0x0040
-#define REG_FE_LAN_MAC_LMIN 0x0044
-#define REG_FE_LAN_MAC_LMAX 0x0048
+
+#define REG_FE_MAC_LMIN(_n) ((_n) + 0x04)
+#define REG_FE_MAC_LMAX(_n) ((_n) + 0x08)
#define REG_FE_CDM1_OQ_MAP0 0x0050
#define REG_FE_CDM1_OQ_MAP1 0x0054
@@ -727,7 +730,7 @@ struct airoha_queue_entry {
};
struct airoha_queue {
- struct airoha_eth *eth;
+ struct airoha_qdma *qdma;
/* protect concurrent queue accesses */
spinlock_t lock;
@@ -746,7 +749,7 @@ struct airoha_queue {
};
struct airoha_tx_irq_queue {
- struct airoha_eth *eth;
+ struct airoha_qdma *qdma;
struct napi_struct napi;
u32 *q;
@@ -782,9 +785,30 @@ struct airoha_hw_stats {
u64 rx_len[7];
};
+struct airoha_qdma {
+ struct airoha_eth *eth;
+ void __iomem *regs;
+
+ /* protect concurrent irqmask accesses */
+ spinlock_t irq_lock;
+ u32 irqmask[QDMA_INT_REG_MAX];
+ int irq;
+
+ struct airoha_tx_irq_queue q_tx_irq[AIROHA_NUM_TX_IRQ];
+
+ struct airoha_queue q_tx[AIROHA_NUM_TX_RING];
+ struct airoha_queue q_rx[AIROHA_NUM_RX_RING];
+
+ /* descriptor and packet buffers for qdma hw forward */
+ struct {
+ void *desc;
+ void *q;
+ } hfwd;
+};
+
struct airoha_gdm_port {
+ struct airoha_qdma *qdma;
struct net_device *dev;
- struct airoha_eth *eth;
int id;
struct airoha_hw_stats stats;
@@ -794,31 +818,15 @@ struct airoha_eth {
struct device *dev;
unsigned long state;
-
- void __iomem *qdma_regs;
void __iomem *fe_regs;
- /* protect concurrent irqmask accesses */
- spinlock_t irq_lock;
- u32 irqmask[QDMA_INT_REG_MAX];
- int irq;
-
struct reset_control_bulk_data rsts[AIROHA_MAX_NUM_RSTS];
struct reset_control_bulk_data xsi_rsts[AIROHA_MAX_NUM_XSI_RSTS];
- struct airoha_gdm_port *ports[AIROHA_MAX_NUM_GDM_PORTS];
-
struct net_device *napi_dev;
- struct airoha_queue q_tx[AIROHA_NUM_TX_RING];
- struct airoha_queue q_rx[AIROHA_NUM_RX_RING];
-
- struct airoha_tx_irq_queue q_tx_irq[AIROHA_NUM_TX_IRQ];
- /* descriptor and packet buffers for qdma hw forward */
- struct {
- void *desc;
- void *q;
- } hfwd;
+ struct airoha_qdma qdma[AIROHA_MAX_NUM_QDMA];
+ struct airoha_gdm_port *ports[AIROHA_MAX_NUM_GDM_PORTS];
};
static u32 airoha_rr(void __iomem *base, u32 offset)
@@ -850,60 +858,72 @@ static u32 airoha_rmw(void __iomem *base, u32 offset, u32 mask, u32 val)
#define airoha_fe_clear(eth, offset, val) \
airoha_rmw((eth)->fe_regs, (offset), (val), 0)
-#define airoha_qdma_rr(eth, offset) \
- airoha_rr((eth)->qdma_regs, (offset))
-#define airoha_qdma_wr(eth, offset, val) \
- airoha_wr((eth)->qdma_regs, (offset), (val))
-#define airoha_qdma_rmw(eth, offset, mask, val) \
- airoha_rmw((eth)->qdma_regs, (offset), (mask), (val))
-#define airoha_qdma_set(eth, offset, val) \
- airoha_rmw((eth)->qdma_regs, (offset), 0, (val))
-#define airoha_qdma_clear(eth, offset, val) \
- airoha_rmw((eth)->qdma_regs, (offset), (val), 0)
-
-static void airoha_qdma_set_irqmask(struct airoha_eth *eth, int index,
+#define airoha_qdma_rr(qdma, offset) \
+ airoha_rr((qdma)->regs, (offset))
+#define airoha_qdma_wr(qdma, offset, val) \
+ airoha_wr((qdma)->regs, (offset), (val))
+#define airoha_qdma_rmw(qdma, offset, mask, val) \
+ airoha_rmw((qdma)->regs, (offset), (mask), (val))
+#define airoha_qdma_set(qdma, offset, val) \
+ airoha_rmw((qdma)->regs, (offset), 0, (val))
+#define airoha_qdma_clear(qdma, offset, val) \
+ airoha_rmw((qdma)->regs, (offset), (val), 0)
+
+static void airoha_qdma_set_irqmask(struct airoha_qdma *qdma, int index,
u32 clear, u32 set)
{
unsigned long flags;
- if (WARN_ON_ONCE(index >= ARRAY_SIZE(eth->irqmask)))
+ if (WARN_ON_ONCE(index >= ARRAY_SIZE(qdma->irqmask)))
return;
- spin_lock_irqsave(&eth->irq_lock, flags);
+ spin_lock_irqsave(&qdma->irq_lock, flags);
- eth->irqmask[index] &= ~clear;
- eth->irqmask[index] |= set;
- airoha_qdma_wr(eth, REG_INT_ENABLE(index), eth->irqmask[index]);
+ qdma->irqmask[index] &= ~clear;
+ qdma->irqmask[index] |= set;
+ airoha_qdma_wr(qdma, REG_INT_ENABLE(index), qdma->irqmask[index]);
/* Read irq_enable register in order to guarantee the update above
* completes in the spinlock critical section.
*/
- airoha_qdma_rr(eth, REG_INT_ENABLE(index));
+ airoha_qdma_rr(qdma, REG_INT_ENABLE(index));
- spin_unlock_irqrestore(&eth->irq_lock, flags);
+ spin_unlock_irqrestore(&qdma->irq_lock, flags);
}
-static void airoha_qdma_irq_enable(struct airoha_eth *eth, int index,
+static void airoha_qdma_irq_enable(struct airoha_qdma *qdma, int index,
u32 mask)
{
- airoha_qdma_set_irqmask(eth, index, 0, mask);
+ airoha_qdma_set_irqmask(qdma, index, 0, mask);
}
-static void airoha_qdma_irq_disable(struct airoha_eth *eth, int index,
+static void airoha_qdma_irq_disable(struct airoha_qdma *qdma, int index,
u32 mask)
{
- airoha_qdma_set_irqmask(eth, index, mask, 0);
+ airoha_qdma_set_irqmask(qdma, index, mask, 0);
}
-static void airoha_set_macaddr(struct airoha_eth *eth, const u8 *addr)
+static bool airhoa_is_lan_gdm_port(struct airoha_gdm_port *port)
{
- u32 val;
+ /* GDM1 port on EN7581 SoC is connected to the lan dsa switch.
+ * GDM{2,3,4} can be used as wan port connected to an external
+ * phy module.
+ */
+ return port->id == 1;
+}
+static void airoha_set_macaddr(struct airoha_gdm_port *port, const u8 *addr)
+{
+ struct airoha_eth *eth = port->qdma->eth;
+ u32 val, reg;
+
+ reg = airhoa_is_lan_gdm_port(port) ? REG_FE_LAN_MAC_H
+ : REG_FE_WAN_MAC_H;
val = (addr[0] << 16) | (addr[1] << 8) | addr[2];
- airoha_fe_wr(eth, REG_FE_LAN_MAC_H, val);
+ airoha_fe_wr(eth, reg, val);
val = (addr[3] << 16) | (addr[4] << 8) | addr[5];
- airoha_fe_wr(eth, REG_FE_LAN_MAC_LMIN, val);
- airoha_fe_wr(eth, REG_FE_LAN_MAC_LMAX, val);
+ airoha_fe_wr(eth, REG_FE_MAC_LMIN(reg), val);
+ airoha_fe_wr(eth, REG_FE_MAC_LMAX(reg), val);
}
static void airoha_set_gdm_port_fwd_cfg(struct airoha_eth *eth, u32 addr,
@@ -1383,8 +1403,9 @@ static int airoha_fe_init(struct airoha_eth *eth)
static int airoha_qdma_fill_rx_queue(struct airoha_queue *q)
{
enum dma_data_direction dir = page_pool_get_dma_dir(q->page_pool);
- struct airoha_eth *eth = q->eth;
- int qid = q - &eth->q_rx[0];
+ struct airoha_qdma *qdma = q->qdma;
+ struct airoha_eth *eth = qdma->eth;
+ int qid = q - &qdma->q_rx[0];
int nframes = 0;
while (q->queued < q->ndesc - 1) {
@@ -1420,7 +1441,8 @@ static int airoha_qdma_fill_rx_queue(struct airoha_queue *q)
WRITE_ONCE(desc->msg2, 0);
WRITE_ONCE(desc->msg3, 0);
- airoha_qdma_rmw(eth, REG_RX_CPU_IDX(qid), RX_RING_CPU_IDX_MASK,
+ airoha_qdma_rmw(qdma, REG_RX_CPU_IDX(qid),
+ RX_RING_CPU_IDX_MASK,
FIELD_PREP(RX_RING_CPU_IDX_MASK, q->head));
}
@@ -1450,8 +1472,9 @@ static int airoha_qdma_get_gdm_port(struct airoha_eth *eth,
static int airoha_qdma_rx_process(struct airoha_queue *q, int budget)
{
enum dma_data_direction dir = page_pool_get_dma_dir(q->page_pool);
- struct airoha_eth *eth = q->eth;
- int qid = q - &eth->q_rx[0];
+ struct airoha_qdma *qdma = q->qdma;
+ struct airoha_eth *eth = qdma->eth;
+ int qid = q - &qdma->q_rx[0];
int done = 0;
while (done < budget) {
@@ -1513,7 +1536,6 @@ static int airoha_qdma_rx_process(struct airoha_queue *q, int budget)
static int airoha_qdma_rx_napi_poll(struct napi_struct *napi, int budget)
{
struct airoha_queue *q = container_of(napi, struct airoha_queue, napi);
- struct airoha_eth *eth = q->eth;
int cur, done = 0;
do {
@@ -1522,14 +1544,14 @@ static int airoha_qdma_rx_napi_poll(struct napi_struct *napi, int budget)
} while (cur && done < budget);
if (done < budget && napi_complete(napi))
- airoha_qdma_irq_enable(eth, QDMA_INT_REG_IDX1,
+ airoha_qdma_irq_enable(q->qdma, QDMA_INT_REG_IDX1,
RX_DONE_INT_MASK);
return done;
}
-static int airoha_qdma_init_rx_queue(struct airoha_eth *eth,
- struct airoha_queue *q, int ndesc)
+static int airoha_qdma_init_rx_queue(struct airoha_queue *q,
+ struct airoha_qdma *qdma, int ndesc)
{
const struct page_pool_params pp_params = {
.order = 0,
@@ -1538,15 +1560,16 @@ static int airoha_qdma_init_rx_queue(struct airoha_eth *eth,
.dma_dir = DMA_FROM_DEVICE,
.max_len = PAGE_SIZE,
.nid = NUMA_NO_NODE,
- .dev = eth->dev,
+ .dev = qdma->eth->dev,
.napi = &q->napi,
};
- int qid = q - &eth->q_rx[0], thr;
+ struct airoha_eth *eth = qdma->eth;
+ int qid = q - &qdma->q_rx[0], thr;
dma_addr_t dma_addr;
q->buf_size = PAGE_SIZE / 2;
q->ndesc = ndesc;
- q->eth = eth;
+ q->qdma = qdma;
q->entry = devm_kzalloc(eth->dev, q->ndesc * sizeof(*q->entry),
GFP_KERNEL);
@@ -1568,14 +1591,15 @@ static int airoha_qdma_init_rx_queue(struct airoha_eth *eth,
netif_napi_add(eth->napi_dev, &q->napi, airoha_qdma_rx_napi_poll);
- airoha_qdma_wr(eth, REG_RX_RING_BASE(qid), dma_addr);
- airoha_qdma_rmw(eth, REG_RX_RING_SIZE(qid), RX_RING_SIZE_MASK,
+ airoha_qdma_wr(qdma, REG_RX_RING_BASE(qid), dma_addr);
+ airoha_qdma_rmw(qdma, REG_RX_RING_SIZE(qid),
+ RX_RING_SIZE_MASK,
FIELD_PREP(RX_RING_SIZE_MASK, ndesc));
thr = clamp(ndesc >> 3, 1, 32);
- airoha_qdma_rmw(eth, REG_RX_RING_SIZE(qid), RX_RING_THR_MASK,
+ airoha_qdma_rmw(qdma, REG_RX_RING_SIZE(qid), RX_RING_THR_MASK,
FIELD_PREP(RX_RING_THR_MASK, thr));
- airoha_qdma_rmw(eth, REG_RX_DMA_IDX(qid), RX_RING_DMA_IDX_MASK,
+ airoha_qdma_rmw(qdma, REG_RX_DMA_IDX(qid), RX_RING_DMA_IDX_MASK,
FIELD_PREP(RX_RING_DMA_IDX_MASK, q->head));
airoha_qdma_fill_rx_queue(q);
@@ -1585,7 +1609,7 @@ static int airoha_qdma_init_rx_queue(struct airoha_eth *eth,
static void airoha_qdma_cleanup_rx_queue(struct airoha_queue *q)
{
- struct airoha_eth *eth = q->eth;
+ struct airoha_eth *eth = q->qdma->eth;
while (q->queued) {
struct airoha_queue_entry *e = &q->entry[q->tail];
@@ -1599,11 +1623,11 @@ static void airoha_qdma_cleanup_rx_queue(struct airoha_queue *q)
}
}
-static int airoha_qdma_init_rx(struct airoha_eth *eth)
+static int airoha_qdma_init_rx(struct airoha_qdma *qdma)
{
int i;
- for (i = 0; i < ARRAY_SIZE(eth->q_rx); i++) {
+ for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
int err;
if (!(RX_DONE_INT_MASK & BIT(i))) {
@@ -1611,7 +1635,7 @@ static int airoha_qdma_init_rx(struct airoha_eth *eth)
continue;
}
- err = airoha_qdma_init_rx_queue(eth, &eth->q_rx[i],
+ err = airoha_qdma_init_rx_queue(&qdma->q_rx[i], qdma,
RX_DSCP_NUM(i));
if (err)
return err;
@@ -1623,12 +1647,14 @@ static int airoha_qdma_init_rx(struct airoha_eth *eth)
static int airoha_qdma_tx_napi_poll(struct napi_struct *napi, int budget)
{
struct airoha_tx_irq_queue *irq_q;
+ struct airoha_qdma *qdma;
struct airoha_eth *eth;
int id, done = 0;
irq_q = container_of(napi, struct airoha_tx_irq_queue, napi);
- eth = irq_q->eth;
- id = irq_q - &eth->q_tx_irq[0];
+ qdma = irq_q->qdma;
+ id = irq_q - &qdma->q_tx_irq[0];
+ eth = qdma->eth;
while (irq_q->queued > 0 && done < budget) {
u32 qid, last, val = irq_q->q[irq_q->head];
@@ -1645,10 +1671,10 @@ static int airoha_qdma_tx_napi_poll(struct napi_struct *napi, int budget)
last = FIELD_GET(IRQ_DESC_IDX_MASK, val);
qid = FIELD_GET(IRQ_RING_IDX_MASK, val);
- if (qid >= ARRAY_SIZE(eth->q_tx))
+ if (qid >= ARRAY_SIZE(qdma->q_tx))
continue;
- q = &eth->q_tx[qid];
+ q = &qdma->q_tx[qid];
if (!q->ndesc)
continue;
@@ -1697,28 +1723,29 @@ static int airoha_qdma_tx_napi_poll(struct napi_struct *napi, int budget)
int i, len = done >> 7;
for (i = 0; i < len; i++)
- airoha_qdma_rmw(eth, REG_IRQ_CLEAR_LEN(id),
+ airoha_qdma_rmw(qdma, REG_IRQ_CLEAR_LEN(id),
IRQ_CLEAR_LEN_MASK, 0x80);
- airoha_qdma_rmw(eth, REG_IRQ_CLEAR_LEN(id),
+ airoha_qdma_rmw(qdma, REG_IRQ_CLEAR_LEN(id),
IRQ_CLEAR_LEN_MASK, (done & 0x7f));
}
if (done < budget && napi_complete(napi))
- airoha_qdma_irq_enable(eth, QDMA_INT_REG_IDX0,
+ airoha_qdma_irq_enable(qdma, QDMA_INT_REG_IDX0,
TX_DONE_INT_MASK(id));
return done;
}
-static int airoha_qdma_init_tx_queue(struct airoha_eth *eth,
- struct airoha_queue *q, int size)
+static int airoha_qdma_init_tx_queue(struct airoha_queue *q,
+ struct airoha_qdma *qdma, int size)
{
- int i, qid = q - &eth->q_tx[0];
+ struct airoha_eth *eth = qdma->eth;
+ int i, qid = q - &qdma->q_tx[0];
dma_addr_t dma_addr;
spin_lock_init(&q->lock);
q->ndesc = size;
- q->eth = eth;
+ q->qdma = qdma;
q->free_thr = 1 + MAX_SKB_FRAGS;
q->entry = devm_kzalloc(eth->dev, q->ndesc * sizeof(*q->entry),
@@ -1738,20 +1765,20 @@ static int airoha_qdma_init_tx_queue(struct airoha_eth *eth,
WRITE_ONCE(q->desc[i].ctrl, cpu_to_le32(val));
}
- airoha_qdma_wr(eth, REG_TX_RING_BASE(qid), dma_addr);
- airoha_qdma_rmw(eth, REG_TX_CPU_IDX(qid), TX_RING_CPU_IDX_MASK,
+ airoha_qdma_wr(qdma, REG_TX_RING_BASE(qid), dma_addr);
+ airoha_qdma_rmw(qdma, REG_TX_CPU_IDX(qid), TX_RING_CPU_IDX_MASK,
FIELD_PREP(TX_RING_CPU_IDX_MASK, q->head));
- airoha_qdma_rmw(eth, REG_TX_DMA_IDX(qid), TX_RING_DMA_IDX_MASK,
+ airoha_qdma_rmw(qdma, REG_TX_DMA_IDX(qid), TX_RING_DMA_IDX_MASK,
FIELD_PREP(TX_RING_DMA_IDX_MASK, q->head));
return 0;
}
-static int airoha_qdma_tx_irq_init(struct airoha_eth *eth,
- struct airoha_tx_irq_queue *irq_q,
- int size)
+static int airoha_qdma_tx_irq_init(struct airoha_tx_irq_queue *irq_q,
+ struct airoha_qdma *qdma, int size)
{
- int id = irq_q - &eth->q_tx_irq[0];
+ int id = irq_q - &qdma->q_tx_irq[0];
+ struct airoha_eth *eth = qdma->eth;
dma_addr_t dma_addr;
netif_napi_add_tx(eth->napi_dev, &irq_q->napi,
@@ -1763,30 +1790,30 @@ static int airoha_qdma_tx_irq_init(struct airoha_eth *eth,
memset(irq_q->q, 0xff, size * sizeof(u32));
irq_q->size = size;
- irq_q->eth = eth;
+ irq_q->qdma = qdma;
- airoha_qdma_wr(eth, REG_TX_IRQ_BASE(id), dma_addr);
- airoha_qdma_rmw(eth, REG_TX_IRQ_CFG(id), TX_IRQ_DEPTH_MASK,
+ airoha_qdma_wr(qdma, REG_TX_IRQ_BASE(id), dma_addr);
+ airoha_qdma_rmw(qdma, REG_TX_IRQ_CFG(id), TX_IRQ_DEPTH_MASK,
FIELD_PREP(TX_IRQ_DEPTH_MASK, size));
- airoha_qdma_rmw(eth, REG_TX_IRQ_CFG(id), TX_IRQ_THR_MASK,
+ airoha_qdma_rmw(qdma, REG_TX_IRQ_CFG(id), TX_IRQ_THR_MASK,
FIELD_PREP(TX_IRQ_THR_MASK, 1));
return 0;
}
-static int airoha_qdma_init_tx(struct airoha_eth *eth)
+static int airoha_qdma_init_tx(struct airoha_qdma *qdma)
{
int i, err;
- for (i = 0; i < ARRAY_SIZE(eth->q_tx_irq); i++) {
- err = airoha_qdma_tx_irq_init(eth, &eth->q_tx_irq[i],
+ for (i = 0; i < ARRAY_SIZE(qdma->q_tx_irq); i++) {
+ err = airoha_qdma_tx_irq_init(&qdma->q_tx_irq[i], qdma,
IRQ_QUEUE_LEN(i));
if (err)
return err;
}
- for (i = 0; i < ARRAY_SIZE(eth->q_tx); i++) {
- err = airoha_qdma_init_tx_queue(eth, &eth->q_tx[i],
+ for (i = 0; i < ARRAY_SIZE(qdma->q_tx); i++) {
+ err = airoha_qdma_init_tx_queue(&qdma->q_tx[i], qdma,
TX_DSCP_NUM);
if (err)
return err;
@@ -1797,7 +1824,7 @@ static int airoha_qdma_init_tx(struct airoha_eth *eth)
static void airoha_qdma_cleanup_tx_queue(struct airoha_queue *q)
{
- struct airoha_eth *eth = q->eth;
+ struct airoha_eth *eth = q->qdma->eth;
spin_lock_bh(&q->lock);
while (q->queued) {
@@ -1814,34 +1841,35 @@ static void airoha_qdma_cleanup_tx_queue(struct airoha_queue *q)
spin_unlock_bh(&q->lock);
}
-static int airoha_qdma_init_hfwd_queues(struct airoha_eth *eth)
+static int airoha_qdma_init_hfwd_queues(struct airoha_qdma *qdma)
{
+ struct airoha_eth *eth = qdma->eth;
dma_addr_t dma_addr;
u32 status;
int size;
size = HW_DSCP_NUM * sizeof(struct airoha_qdma_fwd_desc);
- eth->hfwd.desc = dmam_alloc_coherent(eth->dev, size, &dma_addr,
- GFP_KERNEL);
- if (!eth->hfwd.desc)
+ qdma->hfwd.desc = dmam_alloc_coherent(eth->dev, size, &dma_addr,
+ GFP_KERNEL);
+ if (!qdma->hfwd.desc)
return -ENOMEM;
- airoha_qdma_wr(eth, REG_FWD_DSCP_BASE, dma_addr);
+ airoha_qdma_wr(qdma, REG_FWD_DSCP_BASE, dma_addr);
size = AIROHA_MAX_PACKET_SIZE * HW_DSCP_NUM;
- eth->hfwd.q = dmam_alloc_coherent(eth->dev, size, &dma_addr,
- GFP_KERNEL);
- if (!eth->hfwd.q)
+ qdma->hfwd.q = dmam_alloc_coherent(eth->dev, size, &dma_addr,
+ GFP_KERNEL);
+ if (!qdma->hfwd.q)
return -ENOMEM;
- airoha_qdma_wr(eth, REG_FWD_BUF_BASE, dma_addr);
+ airoha_qdma_wr(qdma, REG_FWD_BUF_BASE, dma_addr);
- airoha_qdma_rmw(eth, REG_HW_FWD_DSCP_CFG,
+ airoha_qdma_rmw(qdma, REG_HW_FWD_DSCP_CFG,
HW_FWD_DSCP_PAYLOAD_SIZE_MASK,
FIELD_PREP(HW_FWD_DSCP_PAYLOAD_SIZE_MASK, 0));
- airoha_qdma_rmw(eth, REG_FWD_DSCP_LOW_THR, FWD_DSCP_LOW_THR_MASK,
+ airoha_qdma_rmw(qdma, REG_FWD_DSCP_LOW_THR, FWD_DSCP_LOW_THR_MASK,
FIELD_PREP(FWD_DSCP_LOW_THR_MASK, 128));
- airoha_qdma_rmw(eth, REG_LMGR_INIT_CFG,
+ airoha_qdma_rmw(qdma, REG_LMGR_INIT_CFG,
LMGR_INIT_START | LMGR_SRAM_MODE_MASK |
HW_FWD_DESC_NUM_MASK,
FIELD_PREP(HW_FWD_DESC_NUM_MASK, HW_DSCP_NUM) |
@@ -1849,87 +1877,87 @@ static int airoha_qdma_init_hfwd_queues(struct airoha_eth *eth)
return read_poll_timeout(airoha_qdma_rr, status,
!(status & LMGR_INIT_START), USEC_PER_MSEC,
- 30 * USEC_PER_MSEC, true, eth,
+ 30 * USEC_PER_MSEC, true, qdma,
REG_LMGR_INIT_CFG);
}
-static void airoha_qdma_init_qos(struct airoha_eth *eth)
+static void airoha_qdma_init_qos(struct airoha_qdma *qdma)
{
- airoha_qdma_clear(eth, REG_TXWRR_MODE_CFG, TWRR_WEIGHT_SCALE_MASK);
- airoha_qdma_set(eth, REG_TXWRR_MODE_CFG, TWRR_WEIGHT_BASE_MASK);
+ airoha_qdma_clear(qdma, REG_TXWRR_MODE_CFG, TWRR_WEIGHT_SCALE_MASK);
+ airoha_qdma_set(qdma, REG_TXWRR_MODE_CFG, TWRR_WEIGHT_BASE_MASK);
- airoha_qdma_clear(eth, REG_PSE_BUF_USAGE_CFG,
+ airoha_qdma_clear(qdma, REG_PSE_BUF_USAGE_CFG,
PSE_BUF_ESTIMATE_EN_MASK);
- airoha_qdma_set(eth, REG_EGRESS_RATE_METER_CFG,
+ airoha_qdma_set(qdma, REG_EGRESS_RATE_METER_CFG,
EGRESS_RATE_METER_EN_MASK |
EGRESS_RATE_METER_EQ_RATE_EN_MASK);
/* 2047us x 31 = 63.457ms */
- airoha_qdma_rmw(eth, REG_EGRESS_RATE_METER_CFG,
+ airoha_qdma_rmw(qdma, REG_EGRESS_RATE_METER_CFG,
EGRESS_RATE_METER_WINDOW_SZ_MASK,
FIELD_PREP(EGRESS_RATE_METER_WINDOW_SZ_MASK, 0x1f));
- airoha_qdma_rmw(eth, REG_EGRESS_RATE_METER_CFG,
+ airoha_qdma_rmw(qdma, REG_EGRESS_RATE_METER_CFG,
EGRESS_RATE_METER_TIMESLICE_MASK,
FIELD_PREP(EGRESS_RATE_METER_TIMESLICE_MASK, 0x7ff));
/* ratelimit init */
- airoha_qdma_set(eth, REG_GLB_TRTCM_CFG, GLB_TRTCM_EN_MASK);
+ airoha_qdma_set(qdma, REG_GLB_TRTCM_CFG, GLB_TRTCM_EN_MASK);
/* fast-tick 25us */
- airoha_qdma_rmw(eth, REG_GLB_TRTCM_CFG, GLB_FAST_TICK_MASK,
+ airoha_qdma_rmw(qdma, REG_GLB_TRTCM_CFG, GLB_FAST_TICK_MASK,
FIELD_PREP(GLB_FAST_TICK_MASK, 25));
- airoha_qdma_rmw(eth, REG_GLB_TRTCM_CFG, GLB_SLOW_TICK_RATIO_MASK,
+ airoha_qdma_rmw(qdma, REG_GLB_TRTCM_CFG, GLB_SLOW_TICK_RATIO_MASK,
FIELD_PREP(GLB_SLOW_TICK_RATIO_MASK, 40));
- airoha_qdma_set(eth, REG_EGRESS_TRTCM_CFG, EGRESS_TRTCM_EN_MASK);
- airoha_qdma_rmw(eth, REG_EGRESS_TRTCM_CFG, EGRESS_FAST_TICK_MASK,
+ airoha_qdma_set(qdma, REG_EGRESS_TRTCM_CFG, EGRESS_TRTCM_EN_MASK);
+ airoha_qdma_rmw(qdma, REG_EGRESS_TRTCM_CFG, EGRESS_FAST_TICK_MASK,
FIELD_PREP(EGRESS_FAST_TICK_MASK, 25));
- airoha_qdma_rmw(eth, REG_EGRESS_TRTCM_CFG,
+ airoha_qdma_rmw(qdma, REG_EGRESS_TRTCM_CFG,
EGRESS_SLOW_TICK_RATIO_MASK,
FIELD_PREP(EGRESS_SLOW_TICK_RATIO_MASK, 40));
- airoha_qdma_set(eth, REG_INGRESS_TRTCM_CFG, INGRESS_TRTCM_EN_MASK);
- airoha_qdma_clear(eth, REG_INGRESS_TRTCM_CFG,
+ airoha_qdma_set(qdma, REG_INGRESS_TRTCM_CFG, INGRESS_TRTCM_EN_MASK);
+ airoha_qdma_clear(qdma, REG_INGRESS_TRTCM_CFG,
INGRESS_TRTCM_MODE_MASK);
- airoha_qdma_rmw(eth, REG_INGRESS_TRTCM_CFG, INGRESS_FAST_TICK_MASK,
+ airoha_qdma_rmw(qdma, REG_INGRESS_TRTCM_CFG, INGRESS_FAST_TICK_MASK,
FIELD_PREP(INGRESS_FAST_TICK_MASK, 125));
- airoha_qdma_rmw(eth, REG_INGRESS_TRTCM_CFG,
+ airoha_qdma_rmw(qdma, REG_INGRESS_TRTCM_CFG,
INGRESS_SLOW_TICK_RATIO_MASK,
FIELD_PREP(INGRESS_SLOW_TICK_RATIO_MASK, 8));
- airoha_qdma_set(eth, REG_SLA_TRTCM_CFG, SLA_TRTCM_EN_MASK);
- airoha_qdma_rmw(eth, REG_SLA_TRTCM_CFG, SLA_FAST_TICK_MASK,
+ airoha_qdma_set(qdma, REG_SLA_TRTCM_CFG, SLA_TRTCM_EN_MASK);
+ airoha_qdma_rmw(qdma, REG_SLA_TRTCM_CFG, SLA_FAST_TICK_MASK,
FIELD_PREP(SLA_FAST_TICK_MASK, 25));
- airoha_qdma_rmw(eth, REG_SLA_TRTCM_CFG, SLA_SLOW_TICK_RATIO_MASK,
+ airoha_qdma_rmw(qdma, REG_SLA_TRTCM_CFG, SLA_SLOW_TICK_RATIO_MASK,
FIELD_PREP(SLA_SLOW_TICK_RATIO_MASK, 40));
}
-static int airoha_qdma_hw_init(struct airoha_eth *eth)
+static int airoha_qdma_hw_init(struct airoha_qdma *qdma)
{
int i;
/* clear pending irqs */
- for (i = 0; i < ARRAY_SIZE(eth->irqmask); i++)
- airoha_qdma_wr(eth, REG_INT_STATUS(i), 0xffffffff);
+ for (i = 0; i < ARRAY_SIZE(qdma->irqmask); i++)
+ airoha_qdma_wr(qdma, REG_INT_STATUS(i), 0xffffffff);
/* setup irqs */
- airoha_qdma_irq_enable(eth, QDMA_INT_REG_IDX0, INT_IDX0_MASK);
- airoha_qdma_irq_enable(eth, QDMA_INT_REG_IDX1, INT_IDX1_MASK);
- airoha_qdma_irq_enable(eth, QDMA_INT_REG_IDX4, INT_IDX4_MASK);
+ airoha_qdma_irq_enable(qdma, QDMA_INT_REG_IDX0, INT_IDX0_MASK);
+ airoha_qdma_irq_enable(qdma, QDMA_INT_REG_IDX1, INT_IDX1_MASK);
+ airoha_qdma_irq_enable(qdma, QDMA_INT_REG_IDX4, INT_IDX4_MASK);
/* setup irq binding */
- for (i = 0; i < ARRAY_SIZE(eth->q_tx); i++) {
- if (!eth->q_tx[i].ndesc)
+ for (i = 0; i < ARRAY_SIZE(qdma->q_tx); i++) {
+ if (!qdma->q_tx[i].ndesc)
continue;
if (TX_RING_IRQ_BLOCKING_MAP_MASK & BIT(i))
- airoha_qdma_set(eth, REG_TX_RING_BLOCKING(i),
+ airoha_qdma_set(qdma, REG_TX_RING_BLOCKING(i),
TX_RING_IRQ_BLOCKING_CFG_MASK);
else
- airoha_qdma_clear(eth, REG_TX_RING_BLOCKING(i),
+ airoha_qdma_clear(qdma, REG_TX_RING_BLOCKING(i),
TX_RING_IRQ_BLOCKING_CFG_MASK);
}
- airoha_qdma_wr(eth, REG_QDMA_GLOBAL_CFG,
+ airoha_qdma_wr(qdma, REG_QDMA_GLOBAL_CFG,
GLOBAL_CFG_RX_2B_OFFSET_MASK |
FIELD_PREP(GLOBAL_CFG_DMA_PREFERENCE_MASK, 3) |
GLOBAL_CFG_CPU_TXR_RR_MASK |
@@ -1940,18 +1968,18 @@ static int airoha_qdma_hw_init(struct airoha_eth *eth)
GLOBAL_CFG_TX_WB_DONE_MASK |
FIELD_PREP(GLOBAL_CFG_MAX_ISSUE_NUM_MASK, 2));
- airoha_qdma_init_qos(eth);
+ airoha_qdma_init_qos(qdma);
/* disable qdma rx delay interrupt */
- for (i = 0; i < ARRAY_SIZE(eth->q_rx); i++) {
- if (!eth->q_rx[i].ndesc)
+ for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
+ if (!qdma->q_rx[i].ndesc)
continue;
- airoha_qdma_clear(eth, REG_RX_DELAY_INT_IDX(i),
+ airoha_qdma_clear(qdma, REG_RX_DELAY_INT_IDX(i),
RX_DELAY_INT_MASK);
}
- airoha_qdma_set(eth, REG_TXQ_CNGST_CFG,
+ airoha_qdma_set(qdma, REG_TXQ_CNGST_CFG,
TXQ_CNGST_DROP_EN | TXQ_CNGST_DEI_DROP_EN);
return 0;
@@ -1959,150 +1987,180 @@ static int airoha_qdma_hw_init(struct airoha_eth *eth)
static irqreturn_t airoha_irq_handler(int irq, void *dev_instance)
{
- struct airoha_eth *eth = dev_instance;
- u32 intr[ARRAY_SIZE(eth->irqmask)];
+ struct airoha_qdma *qdma = dev_instance;
+ u32 intr[ARRAY_SIZE(qdma->irqmask)];
int i;
- for (i = 0; i < ARRAY_SIZE(eth->irqmask); i++) {
- intr[i] = airoha_qdma_rr(eth, REG_INT_STATUS(i));
- intr[i] &= eth->irqmask[i];
- airoha_qdma_wr(eth, REG_INT_STATUS(i), intr[i]);
+ for (i = 0; i < ARRAY_SIZE(qdma->irqmask); i++) {
+ intr[i] = airoha_qdma_rr(qdma, REG_INT_STATUS(i));
+ intr[i] &= qdma->irqmask[i];
+ airoha_qdma_wr(qdma, REG_INT_STATUS(i), intr[i]);
}
- if (!test_bit(DEV_STATE_INITIALIZED, &eth->state))
+ if (!test_bit(DEV_STATE_INITIALIZED, &qdma->eth->state))
return IRQ_NONE;
if (intr[1] & RX_DONE_INT_MASK) {
- airoha_qdma_irq_disable(eth, QDMA_INT_REG_IDX1,
+ airoha_qdma_irq_disable(qdma, QDMA_INT_REG_IDX1,
RX_DONE_INT_MASK);
- for (i = 0; i < ARRAY_SIZE(eth->q_rx); i++) {
- if (!eth->q_rx[i].ndesc)
+ for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
+ if (!qdma->q_rx[i].ndesc)
continue;
if (intr[1] & BIT(i))
- napi_schedule(&eth->q_rx[i].napi);
+ napi_schedule(&qdma->q_rx[i].napi);
}
}
if (intr[0] & INT_TX_MASK) {
- for (i = 0; i < ARRAY_SIZE(eth->q_tx_irq); i++) {
- struct airoha_tx_irq_queue *irq_q = &eth->q_tx_irq[i];
+ for (i = 0; i < ARRAY_SIZE(qdma->q_tx_irq); i++) {
+ struct airoha_tx_irq_queue *irq_q = &qdma->q_tx_irq[i];
u32 status, head;
if (!(intr[0] & TX_DONE_INT_MASK(i)))
continue;
- airoha_qdma_irq_disable(eth, QDMA_INT_REG_IDX0,
+ airoha_qdma_irq_disable(qdma, QDMA_INT_REG_IDX0,
TX_DONE_INT_MASK(i));
- status = airoha_qdma_rr(eth, REG_IRQ_STATUS(i));
+ status = airoha_qdma_rr(qdma, REG_IRQ_STATUS(i));
head = FIELD_GET(IRQ_HEAD_IDX_MASK, status);
irq_q->head = head % irq_q->size;
irq_q->queued = FIELD_GET(IRQ_ENTRY_LEN_MASK, status);
- napi_schedule(&eth->q_tx_irq[i].napi);
+ napi_schedule(&qdma->q_tx_irq[i].napi);
}
}
return IRQ_HANDLED;
}
-static int airoha_qdma_init(struct airoha_eth *eth)
+static int airoha_qdma_init(struct platform_device *pdev,
+ struct airoha_eth *eth,
+ struct airoha_qdma *qdma)
{
- int err;
+ int err, id = qdma - &eth->qdma[0];
+ const char *res;
- err = devm_request_irq(eth->dev, eth->irq, airoha_irq_handler,
- IRQF_SHARED, KBUILD_MODNAME, eth);
- if (err)
- return err;
+ spin_lock_init(&qdma->irq_lock);
+ qdma->eth = eth;
- err = airoha_qdma_init_rx(eth);
+ res = devm_kasprintf(eth->dev, GFP_KERNEL, "qdma%d", id);
+ if (!res)
+ return -ENOMEM;
+
+ qdma->regs = devm_platform_ioremap_resource_byname(pdev, res);
+ if (IS_ERR(qdma->regs))
+ return dev_err_probe(eth->dev, PTR_ERR(qdma->regs),
+ "failed to iomap qdma%d regs\n", id);
+
+ qdma->irq = platform_get_irq(pdev, 4 * id);
+ if (qdma->irq < 0)
+ return qdma->irq;
+
+ err = devm_request_irq(eth->dev, qdma->irq, airoha_irq_handler,
+ IRQF_SHARED, KBUILD_MODNAME, qdma);
if (err)
return err;
- err = airoha_qdma_init_tx(eth);
+ err = airoha_qdma_init_rx(qdma);
if (err)
return err;
- err = airoha_qdma_init_hfwd_queues(eth);
+ err = airoha_qdma_init_tx(qdma);
if (err)
return err;
- err = airoha_qdma_hw_init(eth);
+ err = airoha_qdma_init_hfwd_queues(qdma);
if (err)
return err;
- set_bit(DEV_STATE_INITIALIZED, &eth->state);
-
- return 0;
+ return airoha_qdma_hw_init(qdma);
}
-static int airoha_hw_init(struct airoha_eth *eth)
+static int airoha_hw_init(struct platform_device *pdev,
+ struct airoha_eth *eth)
{
- int err;
+ int err, i;
/* disable xsi */
- reset_control_bulk_assert(ARRAY_SIZE(eth->xsi_rsts), eth->xsi_rsts);
+ err = reset_control_bulk_assert(ARRAY_SIZE(eth->xsi_rsts),
+ eth->xsi_rsts);
+ if (err)
+ return err;
+
+ err = reset_control_bulk_assert(ARRAY_SIZE(eth->rsts), eth->rsts);
+ if (err)
+ return err;
- reset_control_bulk_assert(ARRAY_SIZE(eth->rsts), eth->rsts);
- msleep(20);
- reset_control_bulk_deassert(ARRAY_SIZE(eth->rsts), eth->rsts);
msleep(20);
+ err = reset_control_bulk_deassert(ARRAY_SIZE(eth->rsts), eth->rsts);
+ if (err)
+ return err;
+ msleep(20);
err = airoha_fe_init(eth);
if (err)
return err;
- return airoha_qdma_init(eth);
+ for (i = 0; i < ARRAY_SIZE(eth->qdma); i++) {
+ err = airoha_qdma_init(pdev, eth, &eth->qdma[i]);
+ if (err)
+ return err;
+ }
+
+ set_bit(DEV_STATE_INITIALIZED, &eth->state);
+
+ return 0;
}
-static void airoha_hw_cleanup(struct airoha_eth *eth)
+static void airoha_hw_cleanup(struct airoha_qdma *qdma)
{
int i;
- for (i = 0; i < ARRAY_SIZE(eth->q_rx); i++) {
- if (!eth->q_rx[i].ndesc)
+ for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
+ if (!qdma->q_rx[i].ndesc)
continue;
- napi_disable(&eth->q_rx[i].napi);
- netif_napi_del(&eth->q_rx[i].napi);
- airoha_qdma_cleanup_rx_queue(&eth->q_rx[i]);
- if (eth->q_rx[i].page_pool)
- page_pool_destroy(eth->q_rx[i].page_pool);
+ napi_disable(&qdma->q_rx[i].napi);
+ netif_napi_del(&qdma->q_rx[i].napi);
+ airoha_qdma_cleanup_rx_queue(&qdma->q_rx[i]);
+ if (qdma->q_rx[i].page_pool)
+ page_pool_destroy(qdma->q_rx[i].page_pool);
}
- for (i = 0; i < ARRAY_SIZE(eth->q_tx_irq); i++) {
- napi_disable(&eth->q_tx_irq[i].napi);
- netif_napi_del(&eth->q_tx_irq[i].napi);
+ for (i = 0; i < ARRAY_SIZE(qdma->q_tx_irq); i++) {
+ napi_disable(&qdma->q_tx_irq[i].napi);
+ netif_napi_del(&qdma->q_tx_irq[i].napi);
}
- for (i = 0; i < ARRAY_SIZE(eth->q_tx); i++) {
- if (!eth->q_tx[i].ndesc)
+ for (i = 0; i < ARRAY_SIZE(qdma->q_tx); i++) {
+ if (!qdma->q_tx[i].ndesc)
continue;
- airoha_qdma_cleanup_tx_queue(&eth->q_tx[i]);
+ airoha_qdma_cleanup_tx_queue(&qdma->q_tx[i]);
}
}
-static void airoha_qdma_start_napi(struct airoha_eth *eth)
+static void airoha_qdma_start_napi(struct airoha_qdma *qdma)
{
int i;
- for (i = 0; i < ARRAY_SIZE(eth->q_tx_irq); i++)
- napi_enable(&eth->q_tx_irq[i].napi);
+ for (i = 0; i < ARRAY_SIZE(qdma->q_tx_irq); i++)
+ napi_enable(&qdma->q_tx_irq[i].napi);
- for (i = 0; i < ARRAY_SIZE(eth->q_rx); i++) {
- if (!eth->q_rx[i].ndesc)
+ for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
+ if (!qdma->q_rx[i].ndesc)
continue;
- napi_enable(&eth->q_rx[i].napi);
+ napi_enable(&qdma->q_rx[i].napi);
}
}
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);
@@ -2247,23 +2305,24 @@ static void airoha_update_hw_stats(struct airoha_gdm_port *port)
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, REG_QDMA_GLOBAL_CFG, GLOBAL_CFG_TX_DMA_EN_MASK);
- airoha_qdma_set(eth, REG_QDMA_GLOBAL_CFG, GLOBAL_CFG_RX_DMA_EN_MASK);
+ airoha_qdma_set(qdma, REG_QDMA_GLOBAL_CFG,
+ GLOBAL_CFG_TX_DMA_EN_MASK |
+ GLOBAL_CFG_RX_DMA_EN_MASK);
return 0;
}
@@ -2271,16 +2330,17 @@ static int airoha_dev_open(struct net_device *dev)
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, REG_QDMA_GLOBAL_CFG, GLOBAL_CFG_TX_DMA_EN_MASK);
- airoha_qdma_clear(eth, REG_QDMA_GLOBAL_CFG, GLOBAL_CFG_RX_DMA_EN_MASK);
+ airoha_qdma_clear(qdma, REG_QDMA_GLOBAL_CFG,
+ GLOBAL_CFG_TX_DMA_EN_MASK |
+ GLOBAL_CFG_RX_DMA_EN_MASK);
return 0;
}
@@ -2294,7 +2354,7 @@ static int airoha_dev_set_macaddr(struct net_device *dev, void *p)
if (err)
return err;
- airoha_set_macaddr(port->eth, dev->dev_addr);
+ airoha_set_macaddr(port, dev->dev_addr);
return 0;
}
@@ -2303,7 +2363,7 @@ static int airoha_dev_init(struct net_device *dev)
{
struct airoha_gdm_port *port = netdev_priv(dev);
- airoha_set_macaddr(port->eth, dev->dev_addr);
+ airoha_set_macaddr(port, dev->dev_addr);
return 0;
}
@@ -2337,7 +2397,7 @@ static netdev_tx_t airoha_dev_xmit(struct sk_buff *skb,
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_queue *q;
@@ -2367,7 +2427,7 @@ static netdev_tx_t airoha_dev_xmit(struct sk_buff *skb,
msg1 = FIELD_PREP(QDMA_ETH_TXMSG_FPORT_MASK, fport) |
FIELD_PREP(QDMA_ETH_TXMSG_METER_MASK, 0x7f);
- q = &eth->q_tx[qid];
+ q = &qdma->q_tx[qid];
if (WARN_ON_ONCE(!q->ndesc))
goto error;
@@ -2411,7 +2471,8 @@ static netdev_tx_t airoha_dev_xmit(struct sk_buff *skb,
e->dma_addr = addr;
e->dma_len = len;
- airoha_qdma_rmw(eth, REG_TX_CPU_IDX(qid), TX_RING_CPU_IDX_MASK,
+ airoha_qdma_rmw(qdma, REG_TX_CPU_IDX(qid),
+ TX_RING_CPU_IDX_MASK,
FIELD_PREP(TX_RING_CPU_IDX_MASK, index));
data = skb_frag_address(frag);
@@ -2448,7 +2509,7 @@ static void airoha_ethtool_get_drvinfo(struct net_device *dev,
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));
@@ -2529,6 +2590,7 @@ static int airoha_alloc_gdm_port(struct airoha_eth *eth, struct device_node *np)
{
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;
@@ -2558,6 +2620,7 @@ static int airoha_alloc_gdm_port(struct airoha_eth *eth, struct device_node *np)
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;
@@ -2567,6 +2630,7 @@ static int airoha_alloc_gdm_port(struct airoha_eth *eth, struct device_node *np)
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);
@@ -2582,8 +2646,8 @@ static int airoha_alloc_gdm_port(struct airoha_eth *eth, struct device_node *np)
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;
@@ -2613,11 +2677,6 @@ static int airoha_probe(struct platform_device *pdev)
return dev_err_probe(eth->dev, PTR_ERR(eth->fe_regs),
"failed to iomap fe regs\n");
- eth->qdma_regs = devm_platform_ioremap_resource_byname(pdev, "qdma0");
- if (IS_ERR(eth->qdma_regs))
- return dev_err_probe(eth->dev, PTR_ERR(eth->qdma_regs),
- "failed to iomap qdma regs\n");
-
eth->rsts[0].id = "fe";
eth->rsts[1].id = "pdma";
eth->rsts[2].id = "qdma";
@@ -2642,11 +2701,6 @@ static int airoha_probe(struct platform_device *pdev)
return err;
}
- spin_lock_init(&eth->irq_lock);
- eth->irq = platform_get_irq(pdev, 0);
- if (eth->irq < 0)
- return eth->irq;
-
eth->napi_dev = alloc_netdev_dummy(0);
if (!eth->napi_dev)
return -ENOMEM;
@@ -2656,11 +2710,13 @@ static int airoha_probe(struct platform_device *pdev)
strscpy(eth->napi_dev->name, "qdma_eth", sizeof(eth->napi_dev->name));
platform_set_drvdata(pdev, eth);
- err = airoha_hw_init(eth);
+ err = airoha_hw_init(pdev, eth);
if (err)
goto error;
- airoha_qdma_start_napi(eth);
+ for (i = 0; i < ARRAY_SIZE(eth->qdma); i++)
+ airoha_qdma_start_napi(&eth->qdma[i]);
+
for_each_child_of_node(pdev->dev.of_node, np) {
if (!of_device_is_compatible(np, "airoha,eth-mac"))
continue;
@@ -2678,7 +2734,9 @@ static int airoha_probe(struct platform_device *pdev)
return 0;
error:
- airoha_hw_cleanup(eth);
+ for (i = 0; i < ARRAY_SIZE(eth->qdma); i++)
+ airoha_hw_cleanup(&eth->qdma[i]);
+
for (i = 0; i < ARRAY_SIZE(eth->ports); i++) {
struct airoha_gdm_port *port = eth->ports[i];
@@ -2696,7 +2754,9 @@ static void airoha_remove(struct platform_device *pdev)
struct airoha_eth *eth = platform_get_drvdata(pdev);
int i;
- airoha_hw_cleanup(eth);
+ for (i = 0; i < ARRAY_SIZE(eth->qdma); i++)
+ airoha_hw_cleanup(&eth->qdma[i]);
+
for (i = 0; i < ARRAY_SIZE(eth->ports); i++) {
struct airoha_gdm_port *port = eth->ports[i];
@@ -2715,6 +2775,7 @@ static const struct of_device_id of_airoha_match[] = {
{ .compatible = "airoha,en7581-eth" },
{ /* sentinel */ }
};
+MODULE_DEVICE_TABLE(of, of_airoha_match);
static struct platform_driver airoha_driver = {
.probe = airoha_probe,