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net: stmmac: mapping mtl rx to dma channel

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This patch adds the functionality of RX queue to dma channel mapping
based on configuration.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joao Pinto
2017-03-10 18:24:55 +00:00
committed by David S. Miller
parent 4f6046f587
commit d43042f4da
4 changed files with 55 additions and 0 deletions
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7
drivers/net/ethernet/stmicro/stmmac/dwmac4.h
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@@ -177,6 +177,13 @@ enum power_event {
#define MTL_INT_STATUS 0x00000c20
#define MTL_INT_Q0 BIT(0)
#define MTL_RXQ_DMA_MAP0 0x00000c30 /* queue 0 to 3 */
#define MTL_RXQ_DMA_MAP1 0x00000c34 /* queue 4 to 7 */
#define MTL_RXQ_DMA_Q04MDMACH_MASK GENMASK(3, 0)
#define MTL_RXQ_DMA_Q04MDMACH(x) ((x) << 0)
#define MTL_RXQ_DMA_QXMDMACH_MASK(x) GENMASK(11 + (8 * ((x) - 1)), 8 * (x))
#define MTL_RXQ_DMA_QXMDMACH(chan, q) ((chan) << (8 * (q)))
#define MTL_CHAN_BASE_ADDR 0x00000d00
#define MTL_CHAN_BASE_OFFSET 0x40
#define MTL_CHANX_BASE_ADDR(x) (MTL_CHAN_BASE_ADDR + \