cpu/: get mac address from environment

The environment is the canonical storage location of the mac address, so
we're killing off the global data location and moving everything to
querying the env directly.

The cpus that get converted here:
	at91rm9200
	mpc512x
	mpc5xxx
	mpc8260
	mpc8xx
	ppc4xx

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
CC: Ben Warren <biggerbadderben@gmail.com>
CC: John Rigby <jrigby@freescale.com>
CC: Stefan Roese <sr@denx.de>

6 files changed, 25 insertions, 17 deletions

diff --git a/cpu/arm920t/at91rm9200/ether.c b/cpu/arm920t/at91rm9200/ether.c
index f20e070..b00b948 100644
--- a/cpu/arm920t/at91rm9200/ether.c
+++ b/cpu/arm920t/at91rm9200/ether.c
@@ -155,6 +155,7 @@ int eth_init (bd_t * bd)
 {
 	int ret;
 	int i;
+	uchar enetaddr[6];
 
 	p_mac = AT91C_BASE_EMAC;
 
@@ -190,9 +191,10 @@ int eth_init (bd_t * bd)
 	rbfdt[RBF_FRAMEMAX - 1].addr |= RBF_WRAP;
 	rbfp = &rbfdt[0];
 
-	p_mac->EMAC_SA2L = (bd->bi_enetaddr[3] << 24) | (bd->bi_enetaddr[2] << 16)
-			 | (bd->bi_enetaddr[1] <<  8) | (bd->bi_enetaddr[0]);
-	p_mac->EMAC_SA2H = (bd->bi_enetaddr[5] <<  8) | (bd->bi_enetaddr[4]);
+	eth_getenv_enetaddr("ethaddr", enetaddr);
+	p_mac->EMAC_SA2L = (enetaddr[3] << 24) | (enetaddr[2] << 16)
+			 | (enetaddr[1] <<  8) | (enetaddr[0]);
+	p_mac->EMAC_SA2H = (enetaddr[5] <<  8) | (enetaddr[4]);
 
 	p_mac->EMAC_RBQP = (long) (&rbfdt[0]);
 	p_mac->EMAC_RSR &= ~(AT91C_EMAC_RSR_OVR | AT91C_EMAC_REC | AT91C_EMAC_BNA);
diff --git a/cpu/mpc512x/cpu.c b/cpu/mpc512x/cpu.c
index b9069b0..be532af 100644
--- a/cpu/mpc512x/cpu.c
+++ b/cpu/mpc512x/cpu.c
@@ -148,15 +148,17 @@ static void old_ft_cpu_setup(void *blob, bd_t *bd)
 	 * avoid fixing up by path because that
 	 * produces scary error messages
 	 */
+	uchar enetaddr[6];
 
 	/*
 	 * old device trees have ethernet nodes with
 	 * device_type = "network"
 	 */
+	eth_getenv_enetaddr("ethaddr", enetaddr);
 	do_fixup_by_prop(blob, "device_type", "network", 8,
-		"local-mac-address", bd->bi_enetaddr, 6, 0);
+		"local-mac-address", enetaddr, 6, 0);
 	do_fixup_by_prop(blob, "device_type", "network", 8,
-		"address", bd->bi_enetaddr, 6, 0);
+		"address", enetaddr, 6, 0);
 	/*
 	 * old device trees have soc nodes with
 	 * device_type = "soc"
diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c
index 9c6ab76..ad5ef8e 100644
--- a/cpu/mpc5xxx/cpu.c
+++ b/cpu/mpc5xxx/cpu.c
@@ -121,6 +121,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 	int div = in_8((void*)CONFIG_SYS_MBAR + 0x204) & 0x0020 ? 8 : 4;
 	char * cpu_path = "/cpus/" OF_CPU;
 #ifdef CONFIG_MPC5xxx_FEC
+	uchar *enetaddr[6];
 	char * eth_path = "/" OF_SOC "/ethernet@3000";
 #endif
 
@@ -131,8 +132,9 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 	do_fixup_by_path_u32(blob, "/" OF_SOC, "system-frequency",
 				bd->bi_busfreq*div, 1);
 #ifdef CONFIG_MPC5xxx_FEC
-	do_fixup_by_path(blob, eth_path, "mac-address", bd->bi_enetaddr, 6, 0);
-	do_fixup_by_path(blob, eth_path, "local-mac-address", bd->bi_enetaddr, 6, 0);
+	eth_getenv_enetaddr("ethaddr", enetaddr);
+	do_fixup_by_path(blob, eth_path, "mac-address", enetaddr, 6, 0);
+	do_fixup_by_path(blob, eth_path, "local-mac-address", enetaddr, 6, 0);
 #endif
 }
 #endif
diff --git a/cpu/mpc8260/ether_fcc.c b/cpu/mpc8260/ether_fcc.c
index 3ab57eb..5ac02a0 100644
--- a/cpu/mpc8260/ether_fcc.c
+++ b/cpu/mpc8260/ether_fcc.c
@@ -654,7 +654,7 @@ eth_loopback_test (void)
 
 	puts ("FCC Ethernet External loopback test\n");
 
-	memcpy (NetOurEther, gd->bd->bi_enetaddr, 6);
+	eth_getenv_enetaddr("ethaddr", NetOurEther);
 
 	/*
 	 * global initialisations for all FCC channels
@@ -841,7 +841,7 @@ eth_loopback_test (void)
 		 * So, far we have only been given one Ethernet address. We use
 		 * the same address for all channels
 		 */
-#define ea gd->bd->bi_enetaddr
+#define ea NetOurEther
 		fpp->fen_paddrh = (ea[5] << 8) + ea[4];
 		fpp->fen_paddrm = (ea[3] << 8) + ea[2];
 		fpp->fen_paddrl = (ea[1] << 8) + ea[0];
diff --git a/cpu/mpc8260/ether_scc.c b/cpu/mpc8260/ether_scc.c
index 3671ef1..432111d 100644
--- a/cpu/mpc8260/ether_scc.c
+++ b/cpu/mpc8260/ether_scc.c
@@ -199,6 +199,7 @@ static int sec_init(struct eth_device *dev, bd_t *bis)
     volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
     scc_enet_t *pram_ptr;
     uint dpaddr;
+    uchar ea[6];
 
     rxIdx = 0;
     txIdx = 0;
@@ -261,11 +262,10 @@ static int sec_init(struct eth_device *dev, bd_t *bis)
     pram_ptr->sen_gaddr3 = 0x0;   /* Group Address Filter 3 (unused) */
     pram_ptr->sen_gaddr4 = 0x0;   /* Group Address Filter 4 (unused) */
 
-#  define ea bis->bi_enetaddr
+    eth_getenv_enetaddr("ethaddr", ea);
     pram_ptr->sen_paddrh = (ea[5] << 8) + ea[4];
     pram_ptr->sen_paddrm = (ea[3] << 8) + ea[2];
     pram_ptr->sen_paddrl = (ea[1] << 8) + ea[0];
-#  undef ea
 
     pram_ptr->sen_pper   = 0x0;   /* Persistence (unused) */
 
diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c
index b5d81f2..a8f589a 100644
--- a/cpu/ppc4xx/cpu_init.c
+++ b/cpu/ppc4xx/cpu_init.c
@@ -324,6 +324,7 @@ int cpu_init_r (void)
 #if defined(CONFIG_405GP)  || defined(CONFIG_405EP)
 	bd_t *bd = gd->bd;
 	unsigned long reg;
+	uchar enetaddr[6];
 #if defined(CONFIG_405GP)
 	uint pvr = get_pvr();
 #endif
@@ -332,19 +333,20 @@ int cpu_init_r (void)
 	 * Write Ethernetaddress into on-chip register
 	 */
 	reg = 0x00000000;
-	reg |= bd->bi_enetaddr[0];           /* set high address */
+	eth_getenv_enetaddr("ethaddr", enetaddr);
+	reg |= enetaddr[0];           /* set high address */
 	reg = reg << 8;
-	reg |= bd->bi_enetaddr[1];
+	reg |= enetaddr[1];
 	out32 (EMAC_IAH, reg);
 
 	reg = 0x00000000;
-	reg |= bd->bi_enetaddr[2];           /* set low address  */
+	reg |= enetaddr[2];           /* set low address  */
 	reg = reg << 8;
-	reg |= bd->bi_enetaddr[3];
+	reg |= enetaddr[3];
 	reg = reg << 8;
-	reg |= bd->bi_enetaddr[4];
+	reg |= enetaddr[4];
 	reg = reg << 8;
-	reg |= bd->bi_enetaddr[5];
+	reg |= enetaddr[5];
 	out32 (EMAC_IAL, reg);
 
 #if defined(CONFIG_405GP)