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authorChris Packham <chris.packham@alliedtelesis.co.nz>2022-03-15 22:52:07 +0100
committerPaolo Abeni <pabeni@redhat.com>2022-03-17 10:49:26 +0100
commit2d2a514c1d61d8cbe00f22f27ff51623d3be89e6 (patch)
tree596115c9d4ca94f50cb99fd23dabef88565c3aab /drivers/net/ethernet/marvell/mvneta.c
parentdt-bindings: net: mvneta: Add marvell,armada-ac5-neta (diff)
downloadlinux-2d2a514c1d61d8cbe00f22f27ff51623d3be89e6.tar.xz
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.c12
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);