flash: complete CONFIG_SYS_NO_FLASH move with renaming

[platform/kernel/u-boot.git] / board / bf518f-ezbrd / bf518f-ezbrd.c

diff --git a/board/bf518f-ezbrd/bf518f-ezbrd.c b/board/bf518f-ezbrd/bf518f-ezbrd.c
index ff1ac4c..30d5285 100644 (file)
--- a/board/bf518f-ezbrd/bf518f-ezbrd.c
+++ b/board/bf518f-ezbrd/bf518f-ezbrd.c
@@ -1,5 +1,5 @@
 /*
- * U-boot - main board file
+ * U-Boot - main board file
  *
  * Copyright (c) 2008-2009 Analog Devices Inc.
  *
@@ -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;
+#ifdef CONFIG_MTD_NOR_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
 
+#ifdef CONFIG_MTD_NOR_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;
 }