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 ---
V2: Fix build for aarch64 Add ACK tag
drivers/net/fec_mxc.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index 96e3ad9a1a..afc82dd08a 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -1185,6 +1185,13 @@ int fecmxc_initialize_multi(bd_t *bd, int dev_id, int phy_id, uint32_t addr) #endif int ret;
+ if (IS_ENABLED(CONFIG_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. @@ -1323,6 +1330,13 @@ static int fecmxc_probe(struct udevice *dev) uint32_t start; int ret;
+ if (IS_ENABLED(CONFIG_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) {