arm: mvebu: turris_mox: Enable eth1 in U-Boot if a network module is present

Enable eth1 node in U-Boot's device-tree if a network module (SFP, Topaz
or Peridot) is detected.

This is required for proper detection of eth1 comphy in a3700 comphy
driver by the following patches.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>

diff --git a/board/CZ.NIC/turris_mox/turris_mox.c b/board/CZ.NIC/turris_mox/turris_mox.c
index 03c923969e6d69818429ae455dd0fc4df63252f9..502f6fc0109e758d2e6b2fdd124438ef6bc61dc3 100644 (file)
--- a/board/CZ.NIC/turris_mox/turris_mox.c
+++ b/board/CZ.NIC/turris_mox/turris_mox.c
@@ -46,8 +46,8 @@ DECLARE_GLOBAL_DATA_PTR;
 #if defined(CONFIG_OF_BOARD_FIXUP)
 int board_fix_fdt(void *blob)
 {
+       enum fdt_status status_pcie, status_eth1;
        u8 topology[MAX_MOX_MODULES];
-       enum fdt_status status;
        int i, size, ret;
 
        /*
@@ -65,6 +65,9 @@ int board_fix_fdt(void *blob)
        while (!(readl(ARMADA_37XX_SPI_CTRL) & 0x2))
                udelay(1);
 
+       status_pcie = FDT_STATUS_DISABLED;
+       status_eth1 = FDT_STATUS_DISABLED;
+
        for (i = 0; i < MAX_MOX_MODULES; ++i) {
                writel(0x0, ARMADA_37XX_SPI_DOUT);
 
@@ -76,6 +79,11 @@ int board_fix_fdt(void *blob)
                        break;
 
                topology[i] &= 0xf;
+
+               if (topology[i] == MOX_MODULE_SFP ||
+                   topology[i] == MOX_MODULE_TOPAZ ||
+                   topology[i] == MOX_MODULE_PERIDOT)
+                       status_eth1 = FDT_STATUS_OKAY;
        }
 
        size = i;
@@ -83,15 +91,18 @@ int board_fix_fdt(void *blob)
        /* disable SPI CS1 */
        clrbits_le32(ARMADA_37XX_SPI_CTRL, BIT(17));
 
+       ret = fdt_set_status_by_alias(blob, "ethernet1", status_eth1);
+       if (ret < 0)
+               printf("Cannot set status for eth1 in U-Boot's device tree: %s!\n",
+                      fdt_strerror(ret));
+
        if (size > 1 && (topology[1] == MOX_MODULE_PCI ||
                         topology[1] == MOX_MODULE_USB3 ||
                         topology[1] == MOX_MODULE_PASSPCI))
-               status = FDT_STATUS_OKAY;
-       else
-               status = FDT_STATUS_DISABLED;
+               status_pcie = FDT_STATUS_OKAY;
 
        ret = fdt_set_status_by_compatible(blob, "marvell,armada-3700-pcie",
-                                          status);
+                                          status_pcie);
        if (ret < 0) {
                printf("Cannot set status for PCIe in U-Boot's device tree: %s!\n",
                       fdt_strerror(ret));