[PATCH net-next v1 2/7] net: stmmac: gmac4: drop FPE implementation for refactoring

From: Furong Xu
Date: Tue Jul 09 2024 - 04:23:30 EST


The FPE support for gmac4 is complete, still drop it temporarily.
Once FPE implementation is refactored, gmac4 support will be added.

Signed-off-by: Furong Xu <0x1207@xxxxxxxxx>
---
.../net/ethernet/stmicro/stmmac/dwmac4_core.c | 6 --
drivers/net/ethernet/stmicro/stmmac/dwmac5.c | 66 -------------------
drivers/net/ethernet/stmicro/stmmac/dwmac5.h | 16 -----
3 files changed, 88 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index dbd9f93b2460..1505ac738b13 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -1265,9 +1265,6 @@ const struct stmmac_ops dwmac410_ops = {
.set_arp_offload = dwmac4_set_arp_offload,
.config_l3_filter = dwmac4_config_l3_filter,
.config_l4_filter = dwmac4_config_l4_filter,
- .fpe_configure = dwmac5_fpe_configure,
- .fpe_send_mpacket = dwmac5_fpe_send_mpacket,
- .fpe_irq_status = dwmac5_fpe_irq_status,
.add_hw_vlan_rx_fltr = dwmac4_add_hw_vlan_rx_fltr,
.del_hw_vlan_rx_fltr = dwmac4_del_hw_vlan_rx_fltr,
.restore_hw_vlan_rx_fltr = dwmac4_restore_hw_vlan_rx_fltr,
@@ -1317,9 +1314,6 @@ const struct stmmac_ops dwmac510_ops = {
.set_arp_offload = dwmac4_set_arp_offload,
.config_l3_filter = dwmac4_config_l3_filter,
.config_l4_filter = dwmac4_config_l4_filter,
- .fpe_configure = dwmac5_fpe_configure,
- .fpe_send_mpacket = dwmac5_fpe_send_mpacket,
- .fpe_irq_status = dwmac5_fpe_irq_status,
.add_hw_vlan_rx_fltr = dwmac4_add_hw_vlan_rx_fltr,
.del_hw_vlan_rx_fltr = dwmac4_del_hw_vlan_rx_fltr,
.restore_hw_vlan_rx_fltr = dwmac4_restore_hw_vlan_rx_fltr,
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
index e02cebc3f1b7..1c431b918719 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
@@ -572,69 +572,3 @@ int dwmac5_flex_pps_config(void __iomem *ioaddr, int index,
writel(val, ioaddr + MAC_PPS_CONTROL);
return 0;
}
-
-void dwmac5_fpe_configure(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg,
- u32 num_txq, u32 num_rxq,
- bool enable)
-{
- u32 value;
-
- if (enable) {
- cfg->fpe_csr = EFPE;
- value = readl(ioaddr + GMAC_RXQ_CTRL1);
- value &= ~GMAC_RXQCTRL_FPRQ;
- value |= (num_rxq - 1) << GMAC_RXQCTRL_FPRQ_SHIFT;
- writel(value, ioaddr + GMAC_RXQ_CTRL1);
- } else {
- cfg->fpe_csr = 0;
- }
- writel(cfg->fpe_csr, ioaddr + MAC_FPE_CTRL_STS);
-}
-
-int dwmac5_fpe_irq_status(void __iomem *ioaddr, struct net_device *dev)
-{
- u32 value;
- int status;
-
- status = FPE_EVENT_UNKNOWN;
-
- /* Reads from the MAC_FPE_CTRL_STS register should only be performed
- * here, since the status flags of MAC_FPE_CTRL_STS are "clear on read"
- */
- value = readl(ioaddr + MAC_FPE_CTRL_STS);
-
- if (value & TRSP) {
- status |= FPE_EVENT_TRSP;
- netdev_info(dev, "FPE: Respond mPacket is transmitted\n");
- }
-
- if (value & TVER) {
- status |= FPE_EVENT_TVER;
- netdev_info(dev, "FPE: Verify mPacket is transmitted\n");
- }
-
- if (value & RRSP) {
- status |= FPE_EVENT_RRSP;
- netdev_info(dev, "FPE: Respond mPacket is received\n");
- }
-
- if (value & RVER) {
- status |= FPE_EVENT_RVER;
- netdev_info(dev, "FPE: Verify mPacket is received\n");
- }
-
- return status;
-}
-
-void dwmac5_fpe_send_mpacket(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg,
- enum stmmac_mpacket_type type)
-{
- u32 value = cfg->fpe_csr;
-
- if (type == MPACKET_VERIFY)
- value |= SVER;
- else if (type == MPACKET_RESPONSE)
- value |= SRSP;
-
- writel(value, ioaddr + MAC_FPE_CTRL_STS);
-}
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
index bf33a51d229e..00b151b3b688 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
@@ -11,15 +11,6 @@
#define PRTYEN BIT(1)
#define TMOUTEN BIT(0)

-#define MAC_FPE_CTRL_STS 0x00000234
-#define TRSP BIT(19)
-#define TVER BIT(18)
-#define RRSP BIT(17)
-#define RVER BIT(16)
-#define SRSP BIT(2)
-#define SVER BIT(1)
-#define EFPE BIT(0)
-
#define MAC_PPS_CONTROL 0x00000b70
#define PPS_MAXIDX(x) ((((x) + 1) * 8) - 1)
#define PPS_MINIDX(x) ((x) * 8)
@@ -102,12 +93,5 @@ int dwmac5_rxp_config(void __iomem *ioaddr, struct stmmac_tc_entry *entries,
int dwmac5_flex_pps_config(void __iomem *ioaddr, int index,
struct stmmac_pps_cfg *cfg, bool enable,
u32 sub_second_inc, u32 systime_flags);
-void dwmac5_fpe_configure(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg,
- u32 num_txq, u32 num_rxq,
- bool enable);
-void dwmac5_fpe_send_mpacket(void __iomem *ioaddr,
- struct stmmac_fpe_cfg *cfg,
- enum stmmac_mpacket_type type);
-int dwmac5_fpe_irq_status(void __iomem *ioaddr, struct net_device *dev);

#endif /* __DWMAC5_H__ */
--
2.34.1