net/fman: Support both new and legacy FMan Compatibles

Recently  the FMan Port and MAC compatibles were changed.
This patch aligns the FMan Port and MAC compatibles
to the new FMan device tree binding document.
The FMan device tree binding document can be found in the Linux kernel:
./Documentation/devicetree/bindings/powerpc/fsl/fman.txt

This patch doesn't affect legacy compatibles support.

Signed-off-by: Igal Liberman <igal.liberman@freescale.com>
Tested-by: Xing Lei <xing.lei@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

1 files changed, 20 insertions, 7 deletions

diff --git a/drivers/net/fm/init.c b/drivers/net/fm/init.c
index 9a8a007861..b3ff4c50db 100644
--- a/drivers/net/fm/init.c
+++ b/drivers/net/fm/init.c
@@ -3,6 +3,7 @@
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
+#include <errno.h>
 #include <common.h>
 #include <asm/io.h>
 #include <asm/fsl_serdes.h>
@@ -230,7 +231,7 @@ void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
 				enum fm_port port, int offset)
 	 __attribute__((weak, alias("__def_board_ft_fman_fixup_port")));
 
-static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
+int ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
 {
 	int off;
 	uint32_t ph;
@@ -239,11 +240,13 @@ static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
 				CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET;
 
 	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
+	if (off == -FDT_ERR_NOTFOUND)
+		return -EINVAL;
 
 	if (info->enabled) {
 		fdt_fixup_phy_connection(blob, off, info->enet_if);
 		board_ft_fman_fixup_port(blob, prop, paddr, info->port, off);
-		return ;
+		return 0;
 	}
 
 #ifdef CONFIG_SYS_FMAN_V3
@@ -281,7 +284,7 @@ static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
 	    ((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC4)))
 #endif
 	)
-		return;
+		return 0;
 #endif
 	/* board code might have caused offset to change */
 	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
@@ -294,6 +297,8 @@ static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
 	ph = fdt_get_phandle(blob, off);
 	do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph),
 		"status", "disabled", strlen("disabled") + 1, 1);
+
+	return 0;
 }
 
 void fdt_fixup_fman_ethernet(void *blob)
@@ -305,10 +310,18 @@ void fdt_fixup_fman_ethernet(void *blob)
 		ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac");
 #else
 	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
-		if (fm_info[i].type == FM_ETH_1G_E)
-			ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac");
-		else
-			ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac");
+		/* Try the new compatible first.
+		 * If the node is missing, try the old.
+		 */
+		if (fm_info[i].type == FM_ETH_1G_E) {
+			if (ft_fixup_port(blob, &fm_info[i], "fsl,fman-dtsec"))
+				ft_fixup_port(blob, &fm_info[i],
+					      "fsl,fman-1g-mac");
+		} else {
+			if (ft_fixup_port(blob, &fm_info[i], "fsl,fman-tgec"))
+				ft_fixup_port(blob, &fm_info[i],
+					      "fsl,fman-10g-mac");
+		}
 	}
 #endif
 }