X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Fbf518f-ezbrd%2Fbf518f-ezbrd.c;h=bf4a7db03d6d2bf231d23d5c7087dc07b0c485cf;hb=b5aaa03634a171d04824336b42790f3e77203bf2;hp=ff1ac4cda80a5e172eb229a42c78063e49baf506;hpb=d6f324d03d7829a1da1dee8b60f91b173a3976f0;p=u-boot

diff --git a/board/bf518f-ezbrd/bf518f-ezbrd.c b/board/bf518f-ezbrd/bf518f-ezbrd.c
index ff1ac4cda8..bf4a7db03d 100644
--- a/board/bf518f-ezbrd/bf518f-ezbrd.c
+++ b/board/bf518f-ezbrd/bf518f-ezbrd.c
@@ -13,7 +13,6 @@
 #include <netdev.h>
 #include <spi.h>
 #include <asm/blackfin.h>
-#include <asm/net.h>
 #include <asm/portmux.h>
 #include <asm/mach-common/bits/otp.h>
 #include <asm/sdh.h>
@@ -30,33 +29,23 @@ int checkboard(void)
 #if defined(CONFIG_BFIN_MAC)
 static void board_init_enetaddr(uchar *mac_addr)
 {
-	bool valid_mac = false;
-
-#if 0
-	/* the MAC is stored in OTP memory page 0xDF */
-	uint32_t ret;
-	uint64_t otp_mac;
-
-	ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac);
-	if (!(ret & OTP_MASTER_ERROR)) {
-		uchar *otp_mac_p = (uchar *)&otp_mac;
-
-		for (ret = 0; ret < 6; ++ret)
-			mac_addr[ret] = otp_mac_p[5 - ret];
-
-		if (is_valid_ether_addr(mac_addr))
-			valid_mac = true;
+#ifndef CONFIG_SYS_NO_FLASH
+	/* we cram the MAC in the last flash sector */
+	uchar *board_mac_addr = (uchar *)0x203F0096;
+	if (is_valid_ethaddr(board_mac_addr)) {
+		memcpy(mac_addr, board_mac_addr, 6);
+		eth_setenv_enetaddr("ethaddr", mac_addr);
 	}
 #endif
-
-	if (!valid_mac) {
-		puts("Warning: Generating 'random' MAC address\n");
-		bfin_gen_rand_mac(mac_addr);
-	}
-
-	eth_setenv_enetaddr("ethaddr", mac_addr);
 }
 
+/* Only the first run of boards had a KSZ switch */
+#if defined(CONFIG_BFIN_SPI) && __SILICON_REVISION__ == 0
+# define KSZ_POSSIBLE 1
+#else
+# define KSZ_POSSIBLE 0
+#endif
+
 #define KSZ_MAX_HZ    5000000
 
 #define KSZ_WRITE     0x02
@@ -109,17 +98,16 @@ static int ksz8893m_reset(struct spi_slave *slave)
 	return ret;
 }
 
-int board_eth_init(bd_t *bis)
+static bool board_ksz_init(void)
 {
-	static bool switch_is_alive = false, phy_is_ksz = true;
-	int ret;
+	static bool switch_is_alive = false;
 
 	if (!switch_is_alive) {
 		struct spi_slave *slave = spi_setup_slave(0, 1, KSZ_MAX_HZ, SPI_MODE_3);
 		if (slave) {
 			if (!spi_claim_bus(slave)) {
-				phy_is_ksz = (ksz8893m_reg_read(slave, KSZ_REG_CHID) == 0x88);
-				ret = phy_is_ksz ? ksz8893m_reset(slave) : 0;
+				bool phy_is_ksz = (ksz8893m_reg_read(slave, KSZ_REG_CHID) == 0x88);
+				int ret = phy_is_ksz ? ksz8893m_reset(slave) : 0;
 				switch_is_alive = (ret == 0);
 				spi_release_bus(slave);
 			}
@@ -127,10 +115,16 @@ int board_eth_init(bd_t *bis)
 		}
 	}
 
-	if (switch_is_alive)
-		return bfin_EMAC_initialize(bis);
-	else
-		return -1;
+	return switch_is_alive;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	if (KSZ_POSSIBLE) {
+		if (!board_ksz_init())
+			return 0;
+	}
+	return bfin_EMAC_initialize(bis);
 }
 #endif
 
@@ -142,6 +136,12 @@ int misc_init_r(void)
 		board_init_enetaddr(enetaddr);
 #endif
 
+#ifndef CONFIG_SYS_NO_FLASH
+	/* we use the last sector for the MAC address / POST LDR */
+	extern flash_info_t flash_info[];
+	flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]);
+#endif
+
 	return 0;
 }