| Message ID | 20210923140813.13541-4-biju.das.jz@bp.renesas.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | Add Gigabit Ethernet driver support | expand |
On 9/23/21 5:07 PM, Biju Das wrote: > Initialize GbEthernet dmac found on RZ/G2L SoC. DMAC (or AVB-DMAC). > This patch also renames ravb_rcar_dmac_init to ravb_dmac_init_rcar > to be consistent with the naming convention used in sh_eth driver. > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > --- > drivers/net/ethernet/renesas/ravb.h | 4 ++ > drivers/net/ethernet/renesas/ravb_main.c | 84 +++++++++++++++++++++++- > 2 files changed, 85 insertions(+), 3 deletions(-) [...] > diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c > index 2422e74d9b4f..54c4d31a6950 100644 > --- a/drivers/net/ethernet/renesas/ravb_main.c > +++ b/drivers/net/ethernet/renesas/ravb_main.c > @@ -83,6 +83,11 @@ static int ravb_config(struct net_device *ndev) > return error; > } > > +static void ravb_rgeth_set_rate(struct net_device *ndev) What does 'rgeth' stand for? And why not the trailing part of the name, like the other cases? > +{ > + /* Place holder */ > +} > + > static void ravb_set_rate(struct net_device *ndev) > { > struct ravb_private *priv = netdev_priv(ndev); > @@ -217,6 +222,11 @@ static int ravb_tx_free(struct net_device *ndev, int q, bool free_txed_only) > return free_num; > } > > +static void ravb_rx_ring_free_rgeth(struct net_device *ndev, int q) rgeth? > +{ > + /* Place holder */ > +} > + > static void ravb_rx_ring_free(struct net_device *ndev, int q) > { > struct ravb_private *priv = netdev_priv(ndev); > @@ -283,6 +293,11 @@ static void ravb_ring_free(struct net_device *ndev, int q) > priv->tx_skb[q] = NULL; > } > > +static void ravb_rx_ring_format_rgeth(struct net_device *ndev, int q) rgeth? > +{ > + /* Place holder */ > +} > + > static void ravb_rx_ring_format(struct net_device *ndev, int q) > { > struct ravb_private *priv = netdev_priv(ndev); > @@ -356,6 +371,12 @@ static void ravb_ring_format(struct net_device *ndev, int q) > desc->dptr = cpu_to_le32((u32)priv->tx_desc_dma[q]); > } > > +static void *ravb_rgeth_alloc_rx_desc(struct net_device *ndev, int q) Again, why rgeth is not in the symbol's tail? > +{ > + /* Place holder */ > + return NULL; > +} > + > static void *ravb_alloc_rx_desc(struct net_device *ndev, int q) > { > struct ravb_private *priv = netdev_priv(ndev); > @@ -426,6 +447,11 @@ static int ravb_ring_init(struct net_device *ndev, int q) > return -ENOMEM; > } > > +static void ravb_rgeth_emac_init(struct net_device *ndev) Same here... > +{ > + /* Place holder */ > +} > + > static void ravb_rcar_emac_init(struct net_device *ndev) > { > /* Receive frame limit set register */ > @@ -461,7 +487,32 @@ static void ravb_emac_init(struct net_device *ndev) > info->emac_init(ndev); > } > > -static void ravb_rcar_dmac_init(struct net_device *ndev) > +static void ravb_dmac_init_rgeth(struct net_device *ndev) > +{ > + /* Set AVB RX */ > + ravb_write(ndev, 0x60000000, RCR); > + > + /* Set Max Frame Length (RTC) */ > + ravb_write(ndev, 0x7ffc0000 | RGETH_RX_BUFF_MAX, RTC); > + > + /* Set FIFO size */ > + ravb_write(ndev, 0x00222200, TGC); > + > + ravb_write(ndev, 0, TCCR); > + > + /* Frame receive */ > + ravb_write(ndev, RIC0_FRE0, RIC0); > + /* Disable FIFO full warning */ > + ravb_write(ndev, 0x0, RIC1); > + /* Receive FIFO full error, descriptor empty */ > + ravb_write(ndev, RIC2_QFE0 | RIC2_RFFE, RIC2); > + > + ravb_write(ndev, 0x0, RIC3); > + > + ravb_write(ndev, TIC_FTE0, TIC); > +} Ah, so 'rgeth' stands for GbEthernet... why not 'gbeth' then? [...] > @@ -579,6 +630,14 @@ static void ravb_rx_csum(struct sk_buff *skb) > skb_trim(skb, skb->len - sizeof(__sum16)); > } > > +/* Packet receive function for Gigabit Ethernet */ > +static bool ravb_rgeth_rx(struct net_device *ndev, int *quota, int q) > +{ > + /* Place holder */ > + return true; > +} > + > +/* Packet receive function for Ethernet AVB */ > static bool ravb_rcar_rx(struct net_device *ndev, int *quota, int q) > { > struct ravb_private *priv = netdev_priv(ndev); > @@ -1918,6 +1977,13 @@ static void ravb_set_rx_csum(struct net_device *ndev, bool enable) > spin_unlock_irqrestore(&priv->lock, flags); > } > > +static int ravb_set_features_rgeth(struct net_device *ndev, > + netdev_features_t features) > +{ > + /* Place holder */ > + return 0; > +} > + > static int ravb_set_features_rcar(struct net_device *ndev, > netdev_features_t features) > { > @@ -2007,7 +2073,7 @@ static const struct ravb_hw_info ravb_gen3_hw_info = { > .receive = ravb_rcar_rx, > .set_rate = ravb_set_rate, > .set_feature = ravb_set_features_rcar, > - .dmac_init = ravb_rcar_dmac_init, > + .dmac_init = ravb_dmac_init_rcar, > .emac_init = ravb_rcar_emac_init, > .gstrings_stats = ravb_gstrings_stats, > .gstrings_size = sizeof(ravb_gstrings_stats), > @@ -2028,7 +2094,7 @@ static const struct ravb_hw_info ravb_gen2_hw_info = { > .receive = ravb_rcar_rx, > .set_rate = ravb_set_rate, > .set_feature = ravb_set_features_rcar, > - .dmac_init = ravb_rcar_dmac_init, > + .dmac_init = ravb_dmac_init_rcar, > .emac_init = ravb_rcar_emac_init, > .gstrings_stats = ravb_gstrings_stats, > .gstrings_size = sizeof(ravb_gstrings_stats), > @@ -2039,12 +2105,24 @@ static const struct ravb_hw_info ravb_gen2_hw_info = { > .aligned_tx = 1, > }; > > +static const struct ravb_hw_info rgeth_hw_info = { > + .rx_ring_free = ravb_rx_ring_free_rgeth, > + .rx_ring_format = ravb_rx_ring_format_rgeth, > + .alloc_rx_desc = ravb_rgeth_alloc_rx_desc, > + .receive = ravb_rgeth_rx, > + .set_rate = ravb_rgeth_set_rate, > + .set_feature = ravb_set_features_rgeth, > + .dmac_init = ravb_dmac_init_rgeth, > + .emac_init = ravb_rgeth_emac_init, > +}; > +> static const struct of_device_id ravb_match_table[] = { > { .compatible = "renesas,etheravb-r8a7790", .data = &ravb_gen2_hw_info }, > { .compatible = "renesas,etheravb-r8a7794", .data = &ravb_gen2_hw_info }, > { .compatible = "renesas,etheravb-rcar-gen2", .data = &ravb_gen2_hw_info }, > { .compatible = "renesas,etheravb-r8a7795", .data = &ravb_gen3_hw_info }, > { .compatible = "renesas,etheravb-rcar-gen3", .data = &ravb_gen3_hw_info }, > + { .compatible = "renesas,rzg2l-gbeth", .data = &rgeth_hw_info }, Mhm, I thought this parch should come lst of the series, without any placeholders... [...] MBR, Sergey
Hi Sergei, > Subject: Re: [RFC/PATCH 03/18] ravb: Initialize GbEthernet dmac > > On 9/23/21 5:07 PM, Biju Das wrote: > > > Initialize GbEthernet dmac found on RZ/G2L SoC. > > DMAC (or AVB-DMAC). OK will change it to DMAC. AVB-DMAC is not applicable for GbEthernet. > > > This patch also renames ravb_rcar_dmac_init to ravb_dmac_init_rcar to > > be consistent with the naming convention used in sh_eth driver. > > > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > > --- > > drivers/net/ethernet/renesas/ravb.h | 4 ++ > > drivers/net/ethernet/renesas/ravb_main.c | 84 > > +++++++++++++++++++++++- > > 2 files changed, 85 insertions(+), 3 deletions(-) > > [...] > > diff --git a/drivers/net/ethernet/renesas/ravb_main.c > > b/drivers/net/ethernet/renesas/ravb_main.c > > index 2422e74d9b4f..54c4d31a6950 100644 > > --- a/drivers/net/ethernet/renesas/ravb_main.c > > +++ b/drivers/net/ethernet/renesas/ravb_main.c > > @@ -83,6 +83,11 @@ static int ravb_config(struct net_device *ndev) > > return error; > > } > > > > +static void ravb_rgeth_set_rate(struct net_device *ndev) > > What does 'rgeth' stand for? And why not the trailing part of the name, > like the other cases? 'rgeth' stands for Renesas Gigabit Ethernet like 'ravb' renesas AVB. OK it can be moved to trailing part. > > > +{ > > + /* Place holder */ > > +} > > + > > static void ravb_set_rate(struct net_device *ndev) { > > struct ravb_private *priv = netdev_priv(ndev); @@ -217,6 +222,11 @@ > > static int ravb_tx_free(struct net_device *ndev, int q, bool > free_txed_only) > > return free_num; > > } > > > > +static void ravb_rx_ring_free_rgeth(struct net_device *ndev, int q) > > rgeth? Are you ok with this function name right? Since based on previous comment to trailing part. > > > +{ > > + /* Place holder */ > > +} > > + > > static void ravb_rx_ring_free(struct net_device *ndev, int q) { > > struct ravb_private *priv = netdev_priv(ndev); @@ -283,6 +293,11 @@ > > static void ravb_ring_free(struct net_device *ndev, int q) > > priv->tx_skb[q] = NULL; > > } > > > > +static void ravb_rx_ring_format_rgeth(struct net_device *ndev, int q) > > rgeth? Are you ok with this function name right? Since based on previous comment to trailing part. > > > +{ > > + /* Place holder */ > > +} > > + > > static void ravb_rx_ring_format(struct net_device *ndev, int q) { > > struct ravb_private *priv = netdev_priv(ndev); @@ -356,6 +371,12 @@ > > static void ravb_ring_format(struct net_device *ndev, int q) > > desc->dptr = cpu_to_le32((u32)priv->tx_desc_dma[q]); > > } > > > > +static void *ravb_rgeth_alloc_rx_desc(struct net_device *ndev, int q) > > Again, why rgeth is not in the symbol's tail? Ok will move to the tail. > > > +{ > > + /* Place holder */ > > + return NULL; > > +} > > + > > static void *ravb_alloc_rx_desc(struct net_device *ndev, int q) { > > struct ravb_private *priv = netdev_priv(ndev); @@ -426,6 +447,11 @@ > > static int ravb_ring_init(struct net_device *ndev, int q) > > return -ENOMEM; > > } > > > > +static void ravb_rgeth_emac_init(struct net_device *ndev) > > Same here... OK will move to the tail. > > > +{ > > + /* Place holder */ > > +} > > + > > static void ravb_rcar_emac_init(struct net_device *ndev) { > > /* Receive frame limit set register */ @@ -461,7 +487,32 @@ static > > void ravb_emac_init(struct net_device *ndev) > > info->emac_init(ndev); > > } > > > > -static void ravb_rcar_dmac_init(struct net_device *ndev) > > +static void ravb_dmac_init_rgeth(struct net_device *ndev) { > > + /* Set AVB RX */ > > + ravb_write(ndev, 0x60000000, RCR); > > + > > + /* Set Max Frame Length (RTC) */ > > + ravb_write(ndev, 0x7ffc0000 | RGETH_RX_BUFF_MAX, RTC); > > + > > + /* Set FIFO size */ > > + ravb_write(ndev, 0x00222200, TGC); > > + > > + ravb_write(ndev, 0, TCCR); > > + > > + /* Frame receive */ > > + ravb_write(ndev, RIC0_FRE0, RIC0); > > + /* Disable FIFO full warning */ > > + ravb_write(ndev, 0x0, RIC1); > > + /* Receive FIFO full error, descriptor empty */ > > + ravb_write(ndev, RIC2_QFE0 | RIC2_RFFE, RIC2); > > + > > + ravb_write(ndev, 0x0, RIC3); > > + > > + ravb_write(ndev, TIC_FTE0, TIC); > > +} > > Ah, so 'rgeth' stands for GbEthernet... why not 'gbeth' then? 'rgeth" is Renesas Gigabit ethernet. If needed I can change it to 'gbeth' if there is no Objection from others. > > [...] > > @@ -579,6 +630,14 @@ static void ravb_rx_csum(struct sk_buff *skb) > > skb_trim(skb, skb->len - sizeof(__sum16)); } > > > > +/* Packet receive function for Gigabit Ethernet */ static bool > > +ravb_rgeth_rx(struct net_device *ndev, int *quota, int q) { > > + /* Place holder */ > > + return true; > > +} > > + > > +/* Packet receive function for Ethernet AVB */ > > static bool ravb_rcar_rx(struct net_device *ndev, int *quota, int q) > > { > > struct ravb_private *priv = netdev_priv(ndev); @@ -1918,6 +1977,13 > > @@ static void ravb_set_rx_csum(struct net_device *ndev, bool enable) > > spin_unlock_irqrestore(&priv->lock, flags); } > > > > +static int ravb_set_features_rgeth(struct net_device *ndev, > > + netdev_features_t features) > > +{ > > + /* Place holder */ > > + return 0; > > +} > > + > > static int ravb_set_features_rcar(struct net_device *ndev, > > netdev_features_t features) > > { > > @@ -2007,7 +2073,7 @@ static const struct ravb_hw_info ravb_gen3_hw_info > = { > > .receive = ravb_rcar_rx, > > .set_rate = ravb_set_rate, > > .set_feature = ravb_set_features_rcar, > > - .dmac_init = ravb_rcar_dmac_init, > > + .dmac_init = ravb_dmac_init_rcar, > > .emac_init = ravb_rcar_emac_init, > > .gstrings_stats = ravb_gstrings_stats, > > .gstrings_size = sizeof(ravb_gstrings_stats), @@ -2028,7 +2094,7 @@ > > static const struct ravb_hw_info ravb_gen2_hw_info = { > > .receive = ravb_rcar_rx, > > .set_rate = ravb_set_rate, > > .set_feature = ravb_set_features_rcar, > > - .dmac_init = ravb_rcar_dmac_init, > > + .dmac_init = ravb_dmac_init_rcar, > > .emac_init = ravb_rcar_emac_init, > > .gstrings_stats = ravb_gstrings_stats, > > .gstrings_size = sizeof(ravb_gstrings_stats), @@ -2039,12 +2105,24 > > @@ static const struct ravb_hw_info ravb_gen2_hw_info = { > > .aligned_tx = 1, > > }; > > > > +static const struct ravb_hw_info rgeth_hw_info = { > > + .rx_ring_free = ravb_rx_ring_free_rgeth, > > + .rx_ring_format = ravb_rx_ring_format_rgeth, > > + .alloc_rx_desc = ravb_rgeth_alloc_rx_desc, > > + .receive = ravb_rgeth_rx, > > + .set_rate = ravb_rgeth_set_rate, > > + .set_feature = ravb_set_features_rgeth, > > + .dmac_init = ravb_dmac_init_rgeth, > > + .emac_init = ravb_rgeth_emac_init, > > +}; > > +> static const struct of_device_id ravb_match_table[] = { > > { .compatible = "renesas,etheravb-r8a7790", .data = > &ravb_gen2_hw_info }, > > { .compatible = "renesas,etheravb-r8a7794", .data = > &ravb_gen2_hw_info }, > > { .compatible = "renesas,etheravb-rcar-gen2", .data = > &ravb_gen2_hw_info }, > > { .compatible = "renesas,etheravb-r8a7795", .data = > &ravb_gen3_hw_info }, > > { .compatible = "renesas,etheravb-rcar-gen3", .data = > > &ravb_gen3_hw_info }, > > + { .compatible = "renesas,rzg2l-gbeth", .data = &rgeth_hw_info }, > > Mhm, I thought this parch should come lst of the series, without any > placeholders... It is OK. Like you commented on https://patchwork.kernel.org/project/linux-renesas-soc/patch/20210923140813.13541-5-biju.das.jz@bp.renesas.com/, why there is a patch required for this feature bits? Cheers, Biju > > [...] > > MBR, Sergey
On 9/23/21 5:07 PM, Biju Das wrote: > Initialize GbEthernet dmac found on RZ/G2L SoC. > This patch also renames ravb_rcar_dmac_init to ravb_dmac_init_rcar > to be consistent with the naming convention used in sh_eth driver. > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > --- > drivers/net/ethernet/renesas/ravb.h | 4 ++ > drivers/net/ethernet/renesas/ravb_main.c | 84 +++++++++++++++++++++++- > 2 files changed, 85 insertions(+), 3 deletions(-) > > diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h > index 0ce0c13ef8cb..bee05e6fb815 100644 > --- a/drivers/net/ethernet/renesas/ravb.h > +++ b/drivers/net/ethernet/renesas/ravb.h > @@ -81,6 +81,7 @@ enum ravb_reg { > RQC3 = 0x00A0, > RQC4 = 0x00A4, > RPC = 0x00B0, > + RTC = 0x00B4, /* RZ/G2L only */ My gen3 manual says the regiuster exists there... > UFCW = 0x00BC, > UFCS = 0x00C0, > UFCV0 = 0x00C4, > @@ -156,6 +157,7 @@ enum ravb_reg { > TIS = 0x037C, > ISS = 0x0380, > CIE = 0x0384, /* R-Car Gen3 only */ > + RIC3 = 0x0388, /* RZ/G2L only */ Again, this register (along with RIS3) exists on gen3... > GCCR = 0x0390, > GMTT = 0x0394, > GPTC = 0x0398, > @@ -956,6 +958,8 @@ enum RAVB_QUEUE { > > #define RX_BUF_SZ (2048 - ETH_FCS_LEN + sizeof(__sum16)) > > +#define RGETH_RX_BUFF_MAX 8192 > + > struct ravb_tstamp_skb { > struct list_head list; > struct sk_buff *skb; > diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c > index 2422e74d9b4f..54c4d31a6950 100644 > --- a/drivers/net/ethernet/renesas/ravb_main.c > +++ b/drivers/net/ethernet/renesas/ravb_main.c > @@ -83,6 +83,11 @@ static int ravb_config(struct net_device *ndev) > return error; > } > > +static void ravb_rgeth_set_rate(struct net_device *ndev) > +{ > + /* Place holder */ > +} > + > static void ravb_set_rate(struct net_device *ndev) > { > struct ravb_private *priv = netdev_priv(ndev); > @@ -217,6 +222,11 @@ static int ravb_tx_free(struct net_device *ndev, int q, bool free_txed_only) > return free_num; > } > > +static void ravb_rx_ring_free_rgeth(struct net_device *ndev, int q) > +{ > + /* Place holder */ > +} > + > static void ravb_rx_ring_free(struct net_device *ndev, int q) > { > struct ravb_private *priv = netdev_priv(ndev); > @@ -283,6 +293,11 @@ static void ravb_ring_free(struct net_device *ndev, int q) > priv->tx_skb[q] = NULL; > } > > +static void ravb_rx_ring_format_rgeth(struct net_device *ndev, int q) > +{ > + /* Place holder */ > +} > + > static void ravb_rx_ring_format(struct net_device *ndev, int q) > { > struct ravb_private *priv = netdev_priv(ndev); > @@ -356,6 +371,12 @@ static void ravb_ring_format(struct net_device *ndev, int q) > desc->dptr = cpu_to_le32((u32)priv->tx_desc_dma[q]); > } > > +static void *ravb_rgeth_alloc_rx_desc(struct net_device *ndev, int q) > +{ > + /* Place holder */ > + return NULL; > +} > + > static void *ravb_alloc_rx_desc(struct net_device *ndev, int q) > { > struct ravb_private *priv = netdev_priv(ndev); > @@ -426,6 +447,11 @@ static int ravb_ring_init(struct net_device *ndev, int q) > return -ENOMEM; > } > > +static void ravb_rgeth_emac_init(struct net_device *ndev) > +{ > + /* Place holder */ > +} > + > static void ravb_rcar_emac_init(struct net_device *ndev) > { > /* Receive frame limit set register */ > @@ -461,7 +487,32 @@ static void ravb_emac_init(struct net_device *ndev) > info->emac_init(ndev); > } > > -static void ravb_rcar_dmac_init(struct net_device *ndev) > +static void ravb_dmac_init_rgeth(struct net_device *ndev) > +{ > + /* Set AVB RX */ > + ravb_write(ndev, 0x60000000, RCR); > + > + /* Set Max Frame Length (RTC) */ > + ravb_write(ndev, 0x7ffc0000 | RGETH_RX_BUFF_MAX, RTC); Should be init'ed on gen3 as well? > + > + /* Set FIFO size */ > + ravb_write(ndev, 0x00222200, TGC); > + > + ravb_write(ndev, 0, TCCR); > + > + /* Frame receive */ > + ravb_write(ndev, RIC0_FRE0, RIC0); > + /* Disable FIFO full warning */ > + ravb_write(ndev, 0x0, RIC1); > + /* Receive FIFO full error, descriptor empty */ > + ravb_write(ndev, RIC2_QFE0 | RIC2_RFFE, RIC2); > + > + ravb_write(ndev, 0x0, RIC3); Should be init'ed on gen3 as well? Matter of a separate patch, I can do it prolly... [...] MBR, Sergey
HI Sergei, > Subject: Re: [RFC/PATCH 03/18] ravb: Initialize GbEthernet dmac > > On 9/23/21 5:07 PM, Biju Das wrote: > > > Initialize GbEthernet dmac found on RZ/G2L SoC. > > This patch also renames ravb_rcar_dmac_init to ravb_dmac_init_rcar to > > be consistent with the naming convention used in sh_eth driver. > > > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > > --- > > drivers/net/ethernet/renesas/ravb.h | 4 ++ > > drivers/net/ethernet/renesas/ravb_main.c | 84 > > +++++++++++++++++++++++- > > 2 files changed, 85 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/net/ethernet/renesas/ravb.h > > b/drivers/net/ethernet/renesas/ravb.h > > index 0ce0c13ef8cb..bee05e6fb815 100644 > > --- a/drivers/net/ethernet/renesas/ravb.h > > +++ b/drivers/net/ethernet/renesas/ravb.h > > @@ -81,6 +81,7 @@ enum ravb_reg { > > RQC3 = 0x00A0, > > RQC4 = 0x00A4, > > RPC = 0x00B0, > > + RTC = 0x00B4, /* RZ/G2L only */ > > My gen3 manual says the regiuster exists there... > > > UFCW = 0x00BC, > > UFCS = 0x00C0, > > UFCV0 = 0x00C4, > > @@ -156,6 +157,7 @@ enum ravb_reg { > > TIS = 0x037C, > > ISS = 0x0380, > > CIE = 0x0384, /* R-Car Gen3 only */ > > + RIC3 = 0x0388, /* RZ/G2L only */ > > Again, this register (along with RIS3) exists on gen3... > > > GCCR = 0x0390, > > GMTT = 0x0394, > > GPTC = 0x0398, > > @@ -956,6 +958,8 @@ enum RAVB_QUEUE { > > > > #define RX_BUF_SZ (2048 - ETH_FCS_LEN + sizeof(__sum16)) > > > > +#define RGETH_RX_BUFF_MAX 8192 > > + > > struct ravb_tstamp_skb { > > struct list_head list; > > struct sk_buff *skb; > > diff --git a/drivers/net/ethernet/renesas/ravb_main.c > > b/drivers/net/ethernet/renesas/ravb_main.c > > index 2422e74d9b4f..54c4d31a6950 100644 > > --- a/drivers/net/ethernet/renesas/ravb_main.c > > +++ b/drivers/net/ethernet/renesas/ravb_main.c > > @@ -83,6 +83,11 @@ static int ravb_config(struct net_device *ndev) > > return error; > > } > > > > +static void ravb_rgeth_set_rate(struct net_device *ndev) { > > + /* Place holder */ > > +} > > + > > static void ravb_set_rate(struct net_device *ndev) { > > struct ravb_private *priv = netdev_priv(ndev); @@ -217,6 +222,11 @@ > > static int ravb_tx_free(struct net_device *ndev, int q, bool > free_txed_only) > > return free_num; > > } > > > > +static void ravb_rx_ring_free_rgeth(struct net_device *ndev, int q) { > > + /* Place holder */ > > +} > > + > > static void ravb_rx_ring_free(struct net_device *ndev, int q) { > > struct ravb_private *priv = netdev_priv(ndev); @@ -283,6 +293,11 @@ > > static void ravb_ring_free(struct net_device *ndev, int q) > > priv->tx_skb[q] = NULL; > > } > > > > +static void ravb_rx_ring_format_rgeth(struct net_device *ndev, int q) > > +{ > > + /* Place holder */ > > +} > > + > > static void ravb_rx_ring_format(struct net_device *ndev, int q) { > > struct ravb_private *priv = netdev_priv(ndev); @@ -356,6 +371,12 @@ > > static void ravb_ring_format(struct net_device *ndev, int q) > > desc->dptr = cpu_to_le32((u32)priv->tx_desc_dma[q]); > > } > > > > +static void *ravb_rgeth_alloc_rx_desc(struct net_device *ndev, int q) > > +{ > > + /* Place holder */ > > + return NULL; > > +} > > + > > static void *ravb_alloc_rx_desc(struct net_device *ndev, int q) { > > struct ravb_private *priv = netdev_priv(ndev); @@ -426,6 +447,11 @@ > > static int ravb_ring_init(struct net_device *ndev, int q) > > return -ENOMEM; > > } > > > > +static void ravb_rgeth_emac_init(struct net_device *ndev) { > > + /* Place holder */ > > +} > > + > > static void ravb_rcar_emac_init(struct net_device *ndev) { > > /* Receive frame limit set register */ @@ -461,7 +487,32 @@ static > > void ravb_emac_init(struct net_device *ndev) > > info->emac_init(ndev); > > } > > > > -static void ravb_rcar_dmac_init(struct net_device *ndev) > > +static void ravb_dmac_init_rgeth(struct net_device *ndev) { > > + /* Set AVB RX */ > > + ravb_write(ndev, 0x60000000, RCR); > > + > > + /* Set Max Frame Length (RTC) */ > > + ravb_write(ndev, 0x7ffc0000 | RGETH_RX_BUFF_MAX, RTC); > > Should be init'ed on gen3 as well? Rcar gen3 has separate initialization routine, This part is RZ/G2L specific, the buffer size is different. > > > + > > + /* Set FIFO size */ > > + ravb_write(ndev, 0x00222200, TGC); > > + > > + ravb_write(ndev, 0, TCCR); > > + > > + /* Frame receive */ > > + ravb_write(ndev, RIC0_FRE0, RIC0); > > + /* Disable FIFO full warning */ > > + ravb_write(ndev, 0x0, RIC1); > > + /* Receive FIFO full error, descriptor empty */ > > + ravb_write(ndev, RIC2_QFE0 | RIC2_RFFE, RIC2); > > + > > + ravb_write(ndev, 0x0, RIC3); > > Should be init'ed on gen3 as well? Matter of a separate patch, I can do > it prolly... OK. May be after completing RZ/G2L, I can investigate on gen3 stuff or If you have R-Car board and confirm this change Won't break anything on R-Car gen3, you can submit the patch. Regards, Biju > > [...] > > MBR, Sergey
Hi Sergey, > Subject: RE: [RFC/PATCH 03/18] ravb: Initialize GbEthernet dmac > > HI Sergei, > > > Subject: Re: [RFC/PATCH 03/18] ravb: Initialize GbEthernet dmac > > > > On 9/23/21 5:07 PM, Biju Das wrote: > > > > > Initialize GbEthernet dmac found on RZ/G2L SoC. > > > This patch also renames ravb_rcar_dmac_init to ravb_dmac_init_rcar > > > to be consistent with the naming convention used in sh_eth driver. > > > > > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > > > --- > > > drivers/net/ethernet/renesas/ravb.h | 4 ++ > > > drivers/net/ethernet/renesas/ravb_main.c | 84 > > > +++++++++++++++++++++++- > > > 2 files changed, 85 insertions(+), 3 deletions(-) > > > > > > diff --git a/drivers/net/ethernet/renesas/ravb.h > > > b/drivers/net/ethernet/renesas/ravb.h > > > index 0ce0c13ef8cb..bee05e6fb815 100644 > > > --- a/drivers/net/ethernet/renesas/ravb.h > > > +++ b/drivers/net/ethernet/renesas/ravb.h > > > @@ -81,6 +81,7 @@ enum ravb_reg { > > > RQC3 = 0x00A0, > > > RQC4 = 0x00A4, > > > RPC = 0x00B0, > > > + RTC = 0x00B4, /* RZ/G2L only */ > > > > My gen3 manual says the regiuster exists there... The existing driver is not using it. Since manual says there is RTC, I will document for Gen3 as well. > > > > > UFCW = 0x00BC, > > > UFCS = 0x00C0, > > > UFCV0 = 0x00C4, > > > @@ -156,6 +157,7 @@ enum ravb_reg { > > > TIS = 0x037C, > > > ISS = 0x0380, > > > CIE = 0x0384, /* R-Car Gen3 only */ > > > + RIC3 = 0x0388, /* RZ/G2L only */ > > > > Again, this register (along with RIS3) exists on gen3... RIS3 is not used by R-Car or RZ/G2L hence it not documented. But RIC3 is used by RZ/G2L. As per gen3 hw manual it is present, so I will update the comment. > > > > > GCCR = 0x0390, > > > GMTT = 0x0394, > > > GPTC = 0x0398, > > > @@ -956,6 +958,8 @@ enum RAVB_QUEUE { > > > > > > #define RX_BUF_SZ (2048 - ETH_FCS_LEN + sizeof(__sum16)) > > > > > > +#define RGETH_RX_BUFF_MAX 8192 > > > + > > > struct ravb_tstamp_skb { > > > struct list_head list; > > > struct sk_buff *skb; > > > diff --git a/drivers/net/ethernet/renesas/ravb_main.c > > > b/drivers/net/ethernet/renesas/ravb_main.c > > > index 2422e74d9b4f..54c4d31a6950 100644 > > > --- a/drivers/net/ethernet/renesas/ravb_main.c > > > +++ b/drivers/net/ethernet/renesas/ravb_main.c > > > @@ -83,6 +83,11 @@ static int ravb_config(struct net_device *ndev) > > > return error; > > > } > > > > > > +static void ravb_rgeth_set_rate(struct net_device *ndev) { > > > + /* Place holder */ > > > +} > > > + > > > static void ravb_set_rate(struct net_device *ndev) { > > > struct ravb_private *priv = netdev_priv(ndev); @@ -217,6 +222,11 > > > @@ static int ravb_tx_free(struct net_device *ndev, int q, bool > > free_txed_only) > > > return free_num; > > > } > > > > > > +static void ravb_rx_ring_free_rgeth(struct net_device *ndev, int q) { > > > + /* Place holder */ > > > +} > > > + > > > static void ravb_rx_ring_free(struct net_device *ndev, int q) { > > > struct ravb_private *priv = netdev_priv(ndev); @@ -283,6 +293,11 > > > @@ static void ravb_ring_free(struct net_device *ndev, int q) > > > priv->tx_skb[q] = NULL; > > > } > > > > > > +static void ravb_rx_ring_format_rgeth(struct net_device *ndev, int > > > +q) { > > > + /* Place holder */ > > > +} > > > + > > > static void ravb_rx_ring_format(struct net_device *ndev, int q) { > > > struct ravb_private *priv = netdev_priv(ndev); @@ -356,6 +371,12 > > > @@ static void ravb_ring_format(struct net_device *ndev, int q) > > > desc->dptr = cpu_to_le32((u32)priv->tx_desc_dma[q]); > > > } > > > > > > +static void *ravb_rgeth_alloc_rx_desc(struct net_device *ndev, int > > > +q) { > > > + /* Place holder */ > > > + return NULL; > > > +} > > > + > > > static void *ravb_alloc_rx_desc(struct net_device *ndev, int q) { > > > struct ravb_private *priv = netdev_priv(ndev); @@ -426,6 +447,11 > > > @@ static int ravb_ring_init(struct net_device *ndev, int q) > > > return -ENOMEM; > > > } > > > > > > +static void ravb_rgeth_emac_init(struct net_device *ndev) { > > > + /* Place holder */ > > > +} > > > + > > > static void ravb_rcar_emac_init(struct net_device *ndev) { > > > /* Receive frame limit set register */ @@ -461,7 +487,32 @@ static > > > void ravb_emac_init(struct net_device *ndev) > > > info->emac_init(ndev); > > > } > > > > > > -static void ravb_rcar_dmac_init(struct net_device *ndev) > > > +static void ravb_dmac_init_rgeth(struct net_device *ndev) { > > > + /* Set AVB RX */ > > > + ravb_write(ndev, 0x60000000, RCR); > > > + > > > + /* Set Max Frame Length (RTC) */ > > > + ravb_write(ndev, 0x7ffc0000 | RGETH_RX_BUFF_MAX, RTC); > > > > Should be init'ed on gen3 as well? > > Rcar gen3 has separate initialization routine, This part is RZ/G2L > specific, the buffer size is different. > > > > > > + > > > + /* Set FIFO size */ > > > + ravb_write(ndev, 0x00222200, TGC); > > > + > > > + ravb_write(ndev, 0, TCCR); > > > + > > > + /* Frame receive */ > > > + ravb_write(ndev, RIC0_FRE0, RIC0); > > > + /* Disable FIFO full warning */ > > > + ravb_write(ndev, 0x0, RIC1); > > > + /* Receive FIFO full error, descriptor empty */ > > > + ravb_write(ndev, RIC2_QFE0 | RIC2_RFFE, RIC2); > > > + > > > + ravb_write(ndev, 0x0, RIC3); > > > > Should be init'ed on gen3 as well? Matter of a separate patch, I > > can do it prolly... > > OK. May be after completing RZ/G2L, I can investigate on gen3 stuff or If > you have R-Car board and confirm this change Won't break anything on R-Car > gen3, you can submit the patch. > > Regards, > Biju > > > > > > [...] > > > > MBR, Sergey
Hi Sergei, > Subject: RE: [RFC/PATCH 03/18] ravb: Initialize GbEthernet dmac > > Hi Sergey, > > > Subject: RE: [RFC/PATCH 03/18] ravb: Initialize GbEthernet dmac > > > > HI Sergei, > > > > > Subject: Re: [RFC/PATCH 03/18] ravb: Initialize GbEthernet dmac > > > > > > On 9/23/21 5:07 PM, Biju Das wrote: > > > > > > > Initialize GbEthernet dmac found on RZ/G2L SoC. > > > > This patch also renames ravb_rcar_dmac_init to ravb_dmac_init_rcar > > > > to be consistent with the naming convention used in sh_eth driver. > > > > > > > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > > > > --- > > > > drivers/net/ethernet/renesas/ravb.h | 4 ++ > > > > drivers/net/ethernet/renesas/ravb_main.c | 84 > > > > +++++++++++++++++++++++- > > > > 2 files changed, 85 insertions(+), 3 deletions(-) > > > > > > > > diff --git a/drivers/net/ethernet/renesas/ravb.h > > > > b/drivers/net/ethernet/renesas/ravb.h > > > > index 0ce0c13ef8cb..bee05e6fb815 100644 > > > > --- a/drivers/net/ethernet/renesas/ravb.h > > > > +++ b/drivers/net/ethernet/renesas/ravb.h > > > > @@ -81,6 +81,7 @@ enum ravb_reg { > > > > RQC3 = 0x00A0, > > > > RQC4 = 0x00A4, > > > > RPC = 0x00B0, > > > > + RTC = 0x00B4, /* RZ/G2L only */ > > > > > > My gen3 manual says the regiuster exists there... > > The existing driver is not using it. Since manual says there is RTC, I > will document for Gen3 as well. > > > > > > > > UFCW = 0x00BC, > > > > UFCS = 0x00C0, > > > > UFCV0 = 0x00C4, > > > > @@ -156,6 +157,7 @@ enum ravb_reg { > > > > TIS = 0x037C, > > > > ISS = 0x0380, > > > > CIE = 0x0384, /* R-Car Gen3 only */ > > > > + RIC3 = 0x0388, /* RZ/G2L only */ > > > > > > Again, this register (along with RIS3) exists on gen3... > > RIS3 is not used by R-Car or RZ/G2L hence it not documented. > But RIC3 is used by RZ/G2L. As per gen3 hw manual it is present, so I will > update the comment. I am dropping RIC3 for RZ/G2L as default value is 0 and code is initializing with 0 Which is not needed. > > > > > > > > GCCR = 0x0390, > > > > GMTT = 0x0394, > > > > GPTC = 0x0398, > > > > @@ -956,6 +958,8 @@ enum RAVB_QUEUE { > > > > > > > > #define RX_BUF_SZ (2048 - ETH_FCS_LEN + sizeof(__sum16)) > > > > > > > > +#define RGETH_RX_BUFF_MAX 8192 > > > > + > > > > struct ravb_tstamp_skb { > > > > struct list_head list; > > > > struct sk_buff *skb; > > > > diff --git a/drivers/net/ethernet/renesas/ravb_main.c > > > > b/drivers/net/ethernet/renesas/ravb_main.c > > > > index 2422e74d9b4f..54c4d31a6950 100644 > > > > --- a/drivers/net/ethernet/renesas/ravb_main.c > > > > +++ b/drivers/net/ethernet/renesas/ravb_main.c > > > > @@ -83,6 +83,11 @@ static int ravb_config(struct net_device *ndev) > > > > return error; > > > > } > > > > > > > > +static void ravb_rgeth_set_rate(struct net_device *ndev) { > > > > + /* Place holder */ > > > > +} > > > > + > > > > static void ravb_set_rate(struct net_device *ndev) { > > > > struct ravb_private *priv = netdev_priv(ndev); @@ -217,6 > +222,11 > > > > @@ static int ravb_tx_free(struct net_device *ndev, int q, bool > > > free_txed_only) > > > > return free_num; > > > > } > > > > > > > > +static void ravb_rx_ring_free_rgeth(struct net_device *ndev, int q) > { > > > > + /* Place holder */ > > > > +} > > > > + > > > > static void ravb_rx_ring_free(struct net_device *ndev, int q) { > > > > struct ravb_private *priv = netdev_priv(ndev); @@ -283,6 > +293,11 > > > > @@ static void ravb_ring_free(struct net_device *ndev, int q) > > > > priv->tx_skb[q] = NULL; > > > > } > > > > > > > > +static void ravb_rx_ring_format_rgeth(struct net_device *ndev, > > > > +int > > > > +q) { > > > > + /* Place holder */ > > > > +} > > > > + > > > > static void ravb_rx_ring_format(struct net_device *ndev, int q) { > > > > struct ravb_private *priv = netdev_priv(ndev); @@ -356,6 > +371,12 > > > > @@ static void ravb_ring_format(struct net_device *ndev, int q) > > > > desc->dptr = cpu_to_le32((u32)priv->tx_desc_dma[q]); > > > > } > > > > > > > > +static void *ravb_rgeth_alloc_rx_desc(struct net_device *ndev, > > > > +int > > > > +q) { > > > > + /* Place holder */ > > > > + return NULL; > > > > +} > > > > + > > > > static void *ravb_alloc_rx_desc(struct net_device *ndev, int q) { > > > > struct ravb_private *priv = netdev_priv(ndev); @@ -426,6 > +447,11 > > > > @@ static int ravb_ring_init(struct net_device *ndev, int q) > > > > return -ENOMEM; > > > > } > > > > > > > > +static void ravb_rgeth_emac_init(struct net_device *ndev) { > > > > + /* Place holder */ > > > > +} > > > > + > > > > static void ravb_rcar_emac_init(struct net_device *ndev) { > > > > /* Receive frame limit set register */ @@ -461,7 +487,32 @@ > > > > static void ravb_emac_init(struct net_device *ndev) > > > > info->emac_init(ndev); > > > > } > > > > > > > > -static void ravb_rcar_dmac_init(struct net_device *ndev) > > > > +static void ravb_dmac_init_rgeth(struct net_device *ndev) { > > > > + /* Set AVB RX */ > > > > + ravb_write(ndev, 0x60000000, RCR); > > > > + > > > > + /* Set Max Frame Length (RTC) */ > > > > + ravb_write(ndev, 0x7ffc0000 | RGETH_RX_BUFF_MAX, RTC); > > > > > > Should be init'ed on gen3 as well? > > > > Rcar gen3 has separate initialization routine, This part is RZ/G2L > > specific, the buffer size is different. > > > > > > > > > + > > > > + /* Set FIFO size */ > > > > + ravb_write(ndev, 0x00222200, TGC); > > > > + > > > > + ravb_write(ndev, 0, TCCR); > > > > + > > > > + /* Frame receive */ > > > > + ravb_write(ndev, RIC0_FRE0, RIC0); > > > > + /* Disable FIFO full warning */ > > > > + ravb_write(ndev, 0x0, RIC1); > > > > + /* Receive FIFO full error, descriptor empty */ > > > > + ravb_write(ndev, RIC2_QFE0 | RIC2_RFFE, RIC2); > > > > + > > > > + ravb_write(ndev, 0x0, RIC3); > > > > > > Should be init'ed on gen3 as well? Matter of a separate patch, I > > > can do it prolly... > > > > OK. May be after completing RZ/G2L, I can investigate on gen3 stuff or > > If you have R-Car board and confirm this change Won't break anything > > on R-Car gen3, you can submit the patch. As mentioned above I am dropping this initialization for RIC3, as per H/W manual Reset value of RIC3 is 0. Regards, Biju
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index 0ce0c13ef8cb..bee05e6fb815 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -81,6 +81,7 @@ enum ravb_reg { RQC3 = 0x00A0, RQC4 = 0x00A4, RPC = 0x00B0, + RTC = 0x00B4, /* RZ/G2L only */ UFCW = 0x00BC, UFCS = 0x00C0, UFCV0 = 0x00C4, @@ -156,6 +157,7 @@ enum ravb_reg { TIS = 0x037C, ISS = 0x0380, CIE = 0x0384, /* R-Car Gen3 only */ + RIC3 = 0x0388, /* RZ/G2L only */ GCCR = 0x0390, GMTT = 0x0394, GPTC = 0x0398, @@ -956,6 +958,8 @@ enum RAVB_QUEUE { #define RX_BUF_SZ (2048 - ETH_FCS_LEN + sizeof(__sum16)) +#define RGETH_RX_BUFF_MAX 8192 + struct ravb_tstamp_skb { struct list_head list; struct sk_buff *skb; diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 2422e74d9b4f..54c4d31a6950 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -83,6 +83,11 @@ static int ravb_config(struct net_device *ndev) return error; } +static void ravb_rgeth_set_rate(struct net_device *ndev) +{ + /* Place holder */ +} + static void ravb_set_rate(struct net_device *ndev) { struct ravb_private *priv = netdev_priv(ndev); @@ -217,6 +222,11 @@ static int ravb_tx_free(struct net_device *ndev, int q, bool free_txed_only) return free_num; } +static void ravb_rx_ring_free_rgeth(struct net_device *ndev, int q) +{ + /* Place holder */ +} + static void ravb_rx_ring_free(struct net_device *ndev, int q) { struct ravb_private *priv = netdev_priv(ndev); @@ -283,6 +293,11 @@ static void ravb_ring_free(struct net_device *ndev, int q) priv->tx_skb[q] = NULL; } +static void ravb_rx_ring_format_rgeth(struct net_device *ndev, int q) +{ + /* Place holder */ +} + static void ravb_rx_ring_format(struct net_device *ndev, int q) { struct ravb_private *priv = netdev_priv(ndev); @@ -356,6 +371,12 @@ static void ravb_ring_format(struct net_device *ndev, int q) desc->dptr = cpu_to_le32((u32)priv->tx_desc_dma[q]); } +static void *ravb_rgeth_alloc_rx_desc(struct net_device *ndev, int q) +{ + /* Place holder */ + return NULL; +} + static void *ravb_alloc_rx_desc(struct net_device *ndev, int q) { struct ravb_private *priv = netdev_priv(ndev); @@ -426,6 +447,11 @@ static int ravb_ring_init(struct net_device *ndev, int q) return -ENOMEM; } +static void ravb_rgeth_emac_init(struct net_device *ndev) +{ + /* Place holder */ +} + static void ravb_rcar_emac_init(struct net_device *ndev) { /* Receive frame limit set register */ @@ -461,7 +487,32 @@ static void ravb_emac_init(struct net_device *ndev) info->emac_init(ndev); } -static void ravb_rcar_dmac_init(struct net_device *ndev) +static void ravb_dmac_init_rgeth(struct net_device *ndev) +{ + /* Set AVB RX */ + ravb_write(ndev, 0x60000000, RCR); + + /* Set Max Frame Length (RTC) */ + ravb_write(ndev, 0x7ffc0000 | RGETH_RX_BUFF_MAX, RTC); + + /* Set FIFO size */ + ravb_write(ndev, 0x00222200, TGC); + + ravb_write(ndev, 0, TCCR); + + /* Frame receive */ + ravb_write(ndev, RIC0_FRE0, RIC0); + /* Disable FIFO full warning */ + ravb_write(ndev, 0x0, RIC1); + /* Receive FIFO full error, descriptor empty */ + ravb_write(ndev, RIC2_QFE0 | RIC2_RFFE, RIC2); + + ravb_write(ndev, 0x0, RIC3); + + ravb_write(ndev, TIC_FTE0, TIC); +} + +static void ravb_dmac_init_rcar(struct net_device *ndev) { struct ravb_private *priv = netdev_priv(ndev); const struct ravb_hw_info *info = priv->info; @@ -579,6 +630,14 @@ static void ravb_rx_csum(struct sk_buff *skb) skb_trim(skb, skb->len - sizeof(__sum16)); } +/* Packet receive function for Gigabit Ethernet */ +static bool ravb_rgeth_rx(struct net_device *ndev, int *quota, int q) +{ + /* Place holder */ + return true; +} + +/* Packet receive function for Ethernet AVB */ static bool ravb_rcar_rx(struct net_device *ndev, int *quota, int q) { struct ravb_private *priv = netdev_priv(ndev); @@ -1918,6 +1977,13 @@ static void ravb_set_rx_csum(struct net_device *ndev, bool enable) spin_unlock_irqrestore(&priv->lock, flags); } +static int ravb_set_features_rgeth(struct net_device *ndev, + netdev_features_t features) +{ + /* Place holder */ + return 0; +} + static int ravb_set_features_rcar(struct net_device *ndev, netdev_features_t features) { @@ -2007,7 +2073,7 @@ static const struct ravb_hw_info ravb_gen3_hw_info = { .receive = ravb_rcar_rx, .set_rate = ravb_set_rate, .set_feature = ravb_set_features_rcar, - .dmac_init = ravb_rcar_dmac_init, + .dmac_init = ravb_dmac_init_rcar, .emac_init = ravb_rcar_emac_init, .gstrings_stats = ravb_gstrings_stats, .gstrings_size = sizeof(ravb_gstrings_stats), @@ -2028,7 +2094,7 @@ static const struct ravb_hw_info ravb_gen2_hw_info = { .receive = ravb_rcar_rx, .set_rate = ravb_set_rate, .set_feature = ravb_set_features_rcar, - .dmac_init = ravb_rcar_dmac_init, + .dmac_init = ravb_dmac_init_rcar, .emac_init = ravb_rcar_emac_init, .gstrings_stats = ravb_gstrings_stats, .gstrings_size = sizeof(ravb_gstrings_stats), @@ -2039,12 +2105,24 @@ static const struct ravb_hw_info ravb_gen2_hw_info = { .aligned_tx = 1, }; +static const struct ravb_hw_info rgeth_hw_info = { + .rx_ring_free = ravb_rx_ring_free_rgeth, + .rx_ring_format = ravb_rx_ring_format_rgeth, + .alloc_rx_desc = ravb_rgeth_alloc_rx_desc, + .receive = ravb_rgeth_rx, + .set_rate = ravb_rgeth_set_rate, + .set_feature = ravb_set_features_rgeth, + .dmac_init = ravb_dmac_init_rgeth, + .emac_init = ravb_rgeth_emac_init, +}; + static const struct of_device_id ravb_match_table[] = { { .compatible = "renesas,etheravb-r8a7790", .data = &ravb_gen2_hw_info }, { .compatible = "renesas,etheravb-r8a7794", .data = &ravb_gen2_hw_info }, { .compatible = "renesas,etheravb-rcar-gen2", .data = &ravb_gen2_hw_info }, { .compatible = "renesas,etheravb-r8a7795", .data = &ravb_gen3_hw_info }, { .compatible = "renesas,etheravb-rcar-gen3", .data = &ravb_gen3_hw_info }, + { .compatible = "renesas,rzg2l-gbeth", .data = &rgeth_hw_info }, { } }; MODULE_DEVICE_TABLE(of, ravb_match_table);
Initialize GbEthernet dmac found on RZ/G2L SoC. This patch also renames ravb_rcar_dmac_init to ravb_dmac_init_rcar to be consistent with the naming convention used in sh_eth driver. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> --- drivers/net/ethernet/renesas/ravb.h | 4 ++ drivers/net/ethernet/renesas/ravb_main.c | 84 +++++++++++++++++++++++- 2 files changed, 85 insertions(+), 3 deletions(-)