diff options
| author | Jose Abreu <Jose.Abreu@synopsys.com> | 2019-08-17 20:54:46 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-08-17 12:43:59 -0700 |
| commit | bfc56530697d939d07608d221451cd875aefa295 (patch) | |
| tree | 36557012cce417955eec8c5257d6f516735d380b /drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | |
| parent | 95eaf3cd0a9044b2cbfe1081692e568879363cc7 (diff) | |
net: stmmac: Add ethtool register dump for XGMAC cores
Add the ethtool interface to dump the register map in XGMAC cores.
Changes from v2:
- Remove uneeded memset (Jakub)
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c index 0f3de4895cf7..42c13d144203 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c @@ -128,6 +128,14 @@ static void dwxgmac2_dma_axi(void __iomem *ioaddr, struct stmmac_axi *axi) writel(XGMAC_RDPS, ioaddr + XGMAC_RX_EDMA_CTRL); } +static void dwxgmac2_dma_dump_regs(void __iomem *ioaddr, u32 *reg_space) +{ + int i; + + for (i = (XGMAC_DMA_MODE / 4); i < XGMAC_REGSIZE; i++) + reg_space[i] = readl(ioaddr + i * 4); +} + static void dwxgmac2_dma_rx_mode(void __iomem *ioaddr, int mode, u32 channel, int fifosz, u8 qmode) { @@ -496,7 +504,7 @@ const struct stmmac_dma_ops dwxgmac210_dma_ops = { .init_rx_chan = dwxgmac2_dma_init_rx_chan, .init_tx_chan = dwxgmac2_dma_init_tx_chan, .axi = dwxgmac2_dma_axi, - .dump_regs = NULL, + .dump_regs = dwxgmac2_dma_dump_regs, .dma_rx_mode = dwxgmac2_dma_rx_mode, .dma_tx_mode = dwxgmac2_dma_tx_mode, .enable_dma_irq = dwxgmac2_enable_dma_irq, |