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wifi: mt76: mt7996: set DMA mask to 36 bits for boards with more than 4GB of RAM

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Introduce the capability to run mt7996 driver on boards with more than
4GB of memory.

Co-developed-by: Rex Lu <[email protected]>
Signed-off-by: Rex Lu <[email protected]>
Signed-off-by: Sujuan Chen <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Sujuan Chen
2023-12-06 12:21:19 +01:00
committed by Felix Fietkau
parent 9ef06028d4
commit 95c14207d2
10 changed files with 31 additions and 19 deletions
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dma.c
+5 -1
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@@ -232,8 +232,8 @@ mt76_dma_add_rx_buf(struct mt76_dev *dev, struct mt76_queue *q,
struct mt76_queue_entry *entry = &q->entry[q->head];
struct mt76_txwi_cache *txwi = NULL;
struct mt76_desc *desc;
u32 buf1 = 0, ctrl;
int idx = q->head;
u32 buf1, ctrl;
int rx_token;
if (mt76_queue_is_wed_rro_ind(q)) {
@@ -246,6 +246,7 @@ mt76_dma_add_rx_buf(struct mt76_dev *dev, struct mt76_queue *q,
desc = &q->desc[q->head];
ctrl = FIELD_PREP(MT_DMA_CTL_SD_LEN0, buf[0].len);
buf1 = FIELD_PREP(MT_DMA_CTL_SDP0_H, buf->addr >> 32);
if (mt76_queue_is_wed_rx(q)) {
txwi = mt76_get_rxwi(dev);
@@ -312,11 +313,14 @@ mt76_dma_add_buf(struct mt76_dev *dev, struct mt76_queue *q,
entry->dma_len[0] = buf[0].len;
ctrl = FIELD_PREP(MT_DMA_CTL_SD_LEN0, buf[0].len);
info |= FIELD_PREP(MT_DMA_CTL_SDP0_H, buf[0].addr >> 32);
if (i < nbufs - 1) {
entry->dma_addr[1] = buf[1].addr;
entry->dma_len[1] = buf[1].len;
buf1 = buf[1].addr;
ctrl |= FIELD_PREP(MT_DMA_CTL_SD_LEN1, buf[1].len);
info |= FIELD_PREP(MT_DMA_CTL_SDP1_H,
buf[1].addr >> 32);
if (buf[1].skip_unmap)
entry->skip_buf1 = true;
}