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mt7603: add some (very limited) mac bringup

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Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2015-12-07 01:22:12 +01:00
parent 00ae055ba0
commit ed08b38c8c
3 changed files with 56 additions and 14 deletions
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mt7603_core.c
+1 -6
View File
@@ -38,7 +38,6 @@ irqreturn_t mt7603_irq_handler(int irq, void *dev_instance)
intr &= dev->irqmask;
printk("got irq: %08x\n", intr);
#if 0
if (intr & MT_INT_TX_DONE_ALL) {
mt7603_irq_disable(dev, MT_INT_TX_DONE_ALL);
tasklet_schedule(&dev->tx_tasklet);
@@ -54,17 +53,13 @@ irqreturn_t mt7603_irq_handler(int irq, void *dev_instance)
tasklet_schedule(&dev->rx_tasklet);
}
#if 0
if (intr & MT_INT_PRE_TBTT)
tasklet_schedule(&dev->pre_tbtt_tasklet);
/* send buffered multicast frames now */
if (intr & MT_INT_TBTT)
mt76_queue_kick(dev, &dev->q_tx[MT_TXQ_PSD]);
if (intr & MT_INT_TX_STAT) {
mt7603_mac_poll_tx_status(dev, true);
tasklet_schedule(&dev->tx_tasklet);
}
#endif
return IRQ_HANDLED;
mt7603_init.c
+35
View File
@@ -29,10 +29,41 @@ struct mt7603_dev *mt7603_alloc_device(struct device *pdev)
return dev;
}
int mt7603_mac_reset(struct mt7603_dev *dev)
{
u32 val;
val = mt76_rr(dev, MT_WPDMA_GLO_CFG);
val &= ~(MT_WPDMA_GLO_CFG_TX_DMA_EN |
MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
MT_WPDMA_GLO_CFG_RX_DMA_EN |
MT_WPDMA_GLO_CFG_RX_DMA_BUSY |
MT_WPDMA_GLO_CFG_DMA_BURST_SIZE);
val |= MT76_SET(MT_WPDMA_GLO_CFG_DMA_BURST_SIZE, 3);
mt76_wr(dev, MT_WPDMA_GLO_CFG, val);
return 0;
}
int mt7603_mac_start(struct mt7603_dev *dev)
{
mt76_set(dev, MT_WPDMA_GLO_CFG,
MT_WPDMA_GLO_CFG_TX_DMA_EN |
MT_WPDMA_GLO_CFG_RX_DMA_EN);
mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE);
return 0;
}
int mt7603_init_hardware(struct mt7603_dev *dev)
{
int ret;
ret = mt7603_mac_reset(dev);
if (ret)
return ret;
ret = mt7603_dma_init(dev);
if (ret)
return ret;
@@ -40,6 +71,10 @@ int mt7603_init_hardware(struct mt7603_dev *dev)
set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
mt7603_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL);
ret = mt7603_mac_start(dev);
if (ret)
return ret;
ret = mt7603_mcu_init(dev);
if (ret)
return ret;
mt7603_regs.h
+20 -8
View File
@@ -35,16 +35,28 @@
#define MT_INT_SOURCE_CSR MT_HIF(0x200)
#define MT_INT_MASK_CSR MT_HIF(0x204)
#define MT_INT_RX_DONE(_n) BIT(_n)
#define MT_INT_RX_DONE_ALL GENMASK(1, 0)
#define MT_INT_TX_DONE_ALL GENMASK(19, 4)
#define MT_INT_TX_DONE(_n) BIT(_n + 4)
#define MT_INT_RX_DONE(_n) BIT(_n)
#define MT_INT_RX_DONE_ALL GENMASK(1, 0)
#define MT_INT_TX_DONE_ALL GENMASK(19, 4)
#define MT_INT_TX_DONE(_n) BIT(_n + 4)
#define MT_INT_RX_COHERENT BIT(20)
#define MT_INT_TX_COHERENT BIT(21)
#define MT_INT_PRE_TBTT BIT(27)
#define MT_INT_RX_COHERENT BIT(20)
#define MT_INT_TX_COHERENT BIT(21)
#define MT_INT_PRE_TBTT BIT(27)
#define MT_INT_MCU_CMD BIT(30)
#define MT_INT_MCU_CMD BIT(30)
#define MT_WPDMA_GLO_CFG MT_HIF(0x208)
#define MT_WPDMA_GLO_CFG_TX_DMA_EN BIT(0)
#define MT_WPDMA_GLO_CFG_TX_DMA_BUSY BIT(1)
#define MT_WPDMA_GLO_CFG_RX_DMA_EN BIT(2)
#define MT_WPDMA_GLO_CFG_RX_DMA_BUSY BIT(3)
#define MT_WPDMA_GLO_CFG_DMA_BURST_SIZE GENMASK(5, 4)
#define MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE BIT(6)
#define MT_WPDMA_GLO_CFG_BIG_ENDIAN BIT(7)
#define MT_WPDMA_GLO_CFG_HDR_SEG_LEN GENMASK(15, 8)
#define MT_WPDMA_GLO_CFG_CLK_GATE_DIS BIT(30)
#define MT_WPDMA_GLO_CFG_RX_2B_OFFSET BIT(31)
#define MT_WPDMA_RST_IDX MT_HIF(0x20c)