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net: stmmac: Add basic EST support for GMAC5+

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Adds the support for EST in GMAC5+ cores. This feature allows to offload
scheduling of queues opening time to the IP.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu
2019-12-18 11:33:05 +01:00
committed by David S. Miller
parent 6dbb2e91f8
commit 504723af0d
8 changed files with 150 additions and 0 deletions
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13
include/linux/stmmac.h
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@@ -109,6 +109,18 @@ struct stmmac_axi {
bool axi_rb;
};
#define EST_GCL 1024
struct stmmac_est {
int enable;
u32 btr_offset[2];
u32 btr[2];
u32 ctr[2];
u32 ter;
u32 gcl_unaligned[EST_GCL];
u32 gcl[EST_GCL];
u32 gcl_size;
};
struct stmmac_rxq_cfg {
u8 mode_to_use;
u32 chan;
@@ -139,6 +151,7 @@ struct plat_stmmacenet_data {
struct device_node *phylink_node;
struct device_node *mdio_node;
struct stmmac_dma_cfg *dma_cfg;
struct stmmac_est *est;
int clk_csr;
int has_gmac;
int enh_desc;