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net: fec: add fuse check

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Add fuse check for fec. If the fuse indicates the module
will not work in the SoC, let's fail the initialization.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Peng Fan 2020-05-01 22:08:37 +08:00 committed by Stefano Babic
parent 0bd3d911df
commit 3b26d527d3
1 changed files with 14 additions and 0 deletions
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14
drivers/net/fec_mxc.c
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@ -1204,6 +1204,13 @@ int fecmxc_initialize_multi(bd_t *bd, int dev_id, int phy_id, uint32_t addr)
#endif
int ret;
if (CONFIG_IS_ENABLED(IMX_MODULE_FUSE)) {
if (enet_fused((ulong)addr)) {
printf("SoC fuse indicates Ethernet@0x%x is unavailable.\n", addr);
return -ENODEV;
}
}
#ifdef CONFIG_FEC_MXC_MDIO_BASE
/*
* The i.MX28 has two ethernet interfaces, but they are not equal.
@ -1342,6 +1349,13 @@ static int fecmxc_probe(struct udevice *dev)
uint32_t start;
int ret;
if (CONFIG_IS_ENABLED(IMX_MODULE_FUSE)) {
if (enet_fused((ulong)priv->eth)) {
printf("SoC fuse indicates Ethernet@0x%lx is unavailable.\n", (ulong)priv->eth);
return -ENODEV;
}
}
if (IS_ENABLED(CONFIG_IMX8)) {
ret = clk_get_by_name(dev, "ipg", &priv->ipg_clk);
if (ret < 0) {