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author | 2022-03-16 10:52:07 +1300 | |
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committer | 2022-03-17 10:49:26 +0100 | |
commit | 2d2a514c1d61d8cbe00f22f27ff51623d3be89e6 (patch) | |
tree | 596115c9d4ca94f50cb99fd23dabef88565c3aab /drivers/net/ethernet/marvell/mvneta.c | |
parent | dt-bindings: net: mvneta: Add marvell,armada-ac5-neta (diff) | |
download | linux-2d2a514c1d61d8cbe00f22f27ff51623d3be89e6.tar.gz linux-2d2a514c1d61d8cbe00f22f27ff51623d3be89e6.tar.bz2 linux-2d2a514c1d61d8cbe00f22f27ff51623d3be89e6.zip |
net: mvneta: Add support for 98DX2530 Ethernet port
The 98DX2530 SoC is similar to the Armada 3700 except it needs a
different MBUS window configuration. Add a new compatible string to
identify this device and the required MBUS window configuration.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/marvell/mvneta.c')
-rw-r--r-- | drivers/net/ethernet/marvell/mvneta.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index f1335a1ed695..934f6dd90992 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -76,6 +76,8 @@ #define MVNETA_WIN_SIZE(w) (0x2204 + ((w) << 3)) #define MVNETA_WIN_REMAP(w) (0x2280 + ((w) << 2)) #define MVNETA_BASE_ADDR_ENABLE 0x2290 +#define MVNETA_AC5_CNM_DDR_TARGET 0x2 +#define MVNETA_AC5_CNM_DDR_ATTR 0xb #define MVNETA_ACCESS_PROTECT_ENABLE 0x2294 #define MVNETA_PORT_CONFIG 0x2400 #define MVNETA_UNI_PROMISC_MODE BIT(0) @@ -544,6 +546,7 @@ struct mvneta_port { /* Flags for special SoC configurations */ bool neta_armada3700; + bool neta_ac5; u16 rx_offset_correction; const struct mbus_dram_target_info *dram_target_info; }; @@ -5324,6 +5327,10 @@ static void mvneta_conf_mbus_windows(struct mvneta_port *pp, win_protect |= 3 << (2 * i); } } else { + if (pp->neta_ac5) + mvreg_write(pp, MVNETA_WIN_BASE(0), + (MVNETA_AC5_CNM_DDR_ATTR << 8) | + MVNETA_AC5_CNM_DDR_TARGET); /* For Armada3700 open default 4GB Mbus window, leaving * arbitration of target/attribute to a different layer * of configuration. @@ -5409,6 +5416,10 @@ static int mvneta_probe(struct platform_device *pdev) /* Get special SoC configurations */ if (of_device_is_compatible(dn, "marvell,armada-3700-neta")) pp->neta_armada3700 = true; + if (of_device_is_compatible(dn, "marvell,armada-ac5-neta")) { + pp->neta_armada3700 = true; + pp->neta_ac5 = true; + } dev->irq = irq_of_parse_and_map(dn, 0); if (dev->irq == 0) @@ -5769,6 +5780,7 @@ static const struct of_device_id mvneta_match[] = { { .compatible = "marvell,armada-370-neta" }, { .compatible = "marvell,armada-xp-neta" }, { .compatible = "marvell,armada-3700-neta" }, + { .compatible = "marvell,armada-ac5-neta" }, { } }; MODULE_DEVICE_TABLE(of, mvneta_match); |