fdt: rework fdt_fixup_ethernet() to use env instead of bd_t

Move to using the environment variables 'ethaddr', 'eth1addr', etc..
instead of bd->bi_enetaddr, bi_enet1addr, etc.

This makes the code a bit more flexible to the number of ethernet
interfaces.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

10 files changed, 36 insertions, 50 deletions

diff --git a/common/fdt_support.c b/common/fdt_support.c
index 93b144e..e57ac0a 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -368,55 +368,41 @@ int fdt_fixup_memory(void *blob, u64 start, u64 size)
 	return 0;
 }
 
-#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
-    defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
-
-void fdt_fixup_ethernet(void *fdt, bd_t *bd)
+void fdt_fixup_ethernet(void *fdt)
 {
-	int node;
+	int node, i, j;
+	char enet[16], *tmp, *end;
+	char mac[16] = "ethaddr";
 	const char *path;
+	unsigned char mac_addr[6];
 
 	node = fdt_path_offset(fdt, "/aliases");
-	if (node >= 0) {
-#if defined(CONFIG_HAS_ETH0)
-		path = fdt_getprop(fdt, node, "ethernet0", NULL);
-		if (path) {
-			do_fixup_by_path(fdt, path, "mac-address",
-				bd->bi_enetaddr, 6, 0);
-			do_fixup_by_path(fdt, path, "local-mac-address",
-				bd->bi_enetaddr, 6, 1);
-		}
-#endif
-#if defined(CONFIG_HAS_ETH1)
-		path = fdt_getprop(fdt, node, "ethernet1", NULL);
-		if (path) {
-			do_fixup_by_path(fdt, path, "mac-address",
-				bd->bi_enet1addr, 6, 0);
-			do_fixup_by_path(fdt, path, "local-mac-address",
-				bd->bi_enet1addr, 6, 1);
-		}
-#endif
-#if defined(CONFIG_HAS_ETH2)
-		path = fdt_getprop(fdt, node, "ethernet2", NULL);
-		if (path) {
-			do_fixup_by_path(fdt, path, "mac-address",
-				bd->bi_enet2addr, 6, 0);
-			do_fixup_by_path(fdt, path, "local-mac-address",
-				bd->bi_enet2addr, 6, 1);
+	if (node < 0)
+		return;
+
+	i = 0;
+	while ((tmp = getenv(mac)) != NULL) {
+		sprintf(enet, "ethernet%d", i);
+		path = fdt_getprop(fdt, node, enet, NULL);
+		if (!path) {
+			debug("No alias for %s\n", enet);
+			sprintf(mac, "eth%daddr", ++i);
+			continue;
 		}
-#endif
-#if defined(CONFIG_HAS_ETH3)
-		path = fdt_getprop(fdt, node, "ethernet3", NULL);
-		if (path) {
-			do_fixup_by_path(fdt, path, "mac-address",
-				bd->bi_enet3addr, 6, 0);
-			do_fixup_by_path(fdt, path, "local-mac-address",
-				bd->bi_enet3addr, 6, 1);
+
+		for (j = 0; j < 6; j++) {
+			mac_addr[j] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
+			if (tmp)
+				tmp = (*end) ? end+1 : end;
 		}
-#endif
+
+		do_fixup_by_path(fdt, path, "mac-address", &mac_addr, 6, 0);
+		do_fixup_by_path(fdt, path, "local-mac-address",
+				&mac_addr, 6, 1);
+
+		sprintf(mac, "eth%daddr", ++i);
 	}
 }
-#endif
 
 #ifdef CONFIG_HAS_FSL_DR_USB
 void fdt_fixup_dr_usb(void *blob, bd_t *bd)
diff --git a/cpu/74xx_7xx/cpu.c b/cpu/74xx_7xx/cpu.c
index ea43c9a..c007abc 100644
--- a/cpu/74xx_7xx/cpu.c
+++ b/cpu/74xx_7xx/cpu.c
@@ -314,7 +314,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 
 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
 
-	fdt_fixup_ethernet(blob, bd);
+	fdt_fixup_ethernet(blob);
 }
 #endif
 /* ------------------------------------------------------------------------- */
diff --git a/cpu/mpc512x/cpu.c b/cpu/mpc512x/cpu.c
index 703e188..1f39ac4 100644
--- a/cpu/mpc512x/cpu.c
+++ b/cpu/mpc512x/cpu.c
@@ -191,7 +191,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 #endif
 	ft_clock_setup(blob, bd);
 #ifdef CONFIG_HAS_ETH0
-	fdt_fixup_ethernet(blob, bd);
+	fdt_fixup_ethernet(blob);
 #endif
 }
 #endif
diff --git a/cpu/mpc8260/cpu.c b/cpu/mpc8260/cpu.c
index 4d5d141..efb8ed6 100644
--- a/cpu/mpc8260/cpu.c
+++ b/cpu/mpc8260/cpu.c
@@ -307,7 +307,7 @@ void ft_cpu_setup (void *blob, bd_t *bd)
 
 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
     defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
-	fdt_fixup_ethernet(blob, bd);
+	fdt_fixup_ethernet(blob);
 #endif
 
 	do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1);
diff --git a/cpu/mpc83xx/fdt.c b/cpu/mpc83xx/fdt.c
index fda85c1..39bd9dc 100644
--- a/cpu/mpc83xx/fdt.c
+++ b/cpu/mpc83xx/fdt.c
@@ -53,7 +53,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 
 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
     defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
-	fdt_fixup_ethernet(blob, bd);
+	fdt_fixup_ethernet(blob);
 #endif
 
 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
diff --git a/cpu/mpc85xx/fdt.c b/cpu/mpc85xx/fdt.c
index c159934..bc1550d 100644
--- a/cpu/mpc85xx/fdt.c
+++ b/cpu/mpc85xx/fdt.c
@@ -212,7 +212,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 
 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
     defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
-	fdt_fixup_ethernet(blob, bd);
+	fdt_fixup_ethernet(blob);
 #endif
 
 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
diff --git a/cpu/mpc86xx/fdt.c b/cpu/mpc86xx/fdt.c
index 80a5c78..12d9052 100644
--- a/cpu/mpc86xx/fdt.c
+++ b/cpu/mpc86xx/fdt.c
@@ -25,7 +25,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 
 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) \
     || defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
-	fdt_fixup_ethernet(blob, bd);
+	fdt_fixup_ethernet(blob);
 #endif
 
 #ifdef CFG_NS16550
diff --git a/cpu/mpc8xx/fdt.c b/cpu/mpc8xx/fdt.c
index 567094a..7130983 100644
--- a/cpu/mpc8xx/fdt.c
+++ b/cpu/mpc8xx/fdt.c
@@ -40,7 +40,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 		gd->brg_clk, 1);
 
 	/* Fixup ethernet MAC addresses */
-	fdt_fixup_ethernet(blob, bd);
+	fdt_fixup_ethernet(blob);
 
 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
 }
diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c
index 0323dc5..a97484f 100644
--- a/cpu/ppc4xx/fdt.c
+++ b/cpu/ppc4xx/fdt.c
@@ -130,7 +130,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 	 * Fixup all ethernet nodes
 	 * Note: aliases in the dts are required for this
 	 */
-	fdt_fixup_ethernet(blob, bd);
+	fdt_fixup_ethernet(blob);
 
 	/*
 	 * Fixup all available PCIe nodes by setting the device_type property
diff --git a/include/fdt_support.h b/include/fdt_support.h
index a7c6326..f2f2cd5 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -45,7 +45,7 @@ void do_fixup_by_compat(void *fdt, const char *compat,
 void do_fixup_by_compat_u32(void *fdt, const char *compat,
 			    const char *prop, u32 val, int create);
 int fdt_fixup_memory(void *blob, u64 start, u64 size);
-void fdt_fixup_ethernet(void *fdt, bd_t *bd);
+void fdt_fixup_ethernet(void *fdt);
 int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
 			 const void *val, int len, int create);
 void fdt_fixup_qe_firmware(void *fdt);