diff options
Diffstat (limited to 'board/bf518f-ezbrd/bf518f-ezbrd.c')
| -rw-r--r-- | board/bf518f-ezbrd/bf518f-ezbrd.c | 61 |
1 files changed, 38 insertions, 23 deletions
diff --git a/board/bf518f-ezbrd/bf518f-ezbrd.c b/board/bf518f-ezbrd/bf518f-ezbrd.c index ff1ac4c..09a2353 100644 --- a/board/bf518f-ezbrd/bf518f-ezbrd.c +++ b/board/bf518f-ezbrd/bf518f-ezbrd.c @@ -30,24 +30,21 @@ int checkboard(void) #if defined(CONFIG_BFIN_MAC) static void board_init_enetaddr(uchar *mac_addr) { +#ifdef CONFIG_SYS_NO_FLASH +# define USE_MAC_IN_FLASH 0 +#else +# define USE_MAC_IN_FLASH 1 +#endif 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)) + if (USE_MAC_IN_FLASH) { + /* we cram the MAC in the last flash sector */ + uchar *board_mac_addr = (uchar *)0x203F0096; + if (is_valid_ether_addr(board_mac_addr)) { + memcpy(mac_addr, board_mac_addr, 6); valid_mac = true; + } } -#endif if (!valid_mac) { puts("Warning: Generating 'random' MAC address\n"); @@ -57,6 +54,13 @@ static void board_init_enetaddr(uchar *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 +113,16 @@ 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 +130,16 @@ 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 +151,12 @@ 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; } |