diff options
author | Mike Frysinger <vapier@gentoo.org> | 2008-10-12 21:32:52 -0400 |
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committer | Mike Frysinger <vapier@gentoo.org> | 2009-04-02 06:41:46 -0400 |
commit | 84a9dda324c3faa56be14449d7519b993d9397a9 (patch) | |
tree | f4baaa8c2e5d597947189f9875cfd266ce9f3939 /board/bf518f-ezbrd/bf518f-ezbrd.c | |
parent | 0c31ddf7b70f77dede42dc82ecab7753a819acaa (diff) |
Blackfin: bf518f-ezbrd: new board port
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'board/bf518f-ezbrd/bf518f-ezbrd.c')
-rw-r--r-- | board/bf518f-ezbrd/bf518f-ezbrd.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/board/bf518f-ezbrd/bf518f-ezbrd.c b/board/bf518f-ezbrd/bf518f-ezbrd.c new file mode 100644 index 0000000000..2c7961ab7c --- /dev/null +++ b/board/bf518f-ezbrd/bf518f-ezbrd.c @@ -0,0 +1,101 @@ +/* + * U-boot - main board file + * + * Copyright (c) 2008-2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <config.h> +#include <command.h> +#include <net.h> +#include <netdev.h> +#include <spi.h> +#include <asm/blackfin.h> +#include <asm/net.h> +#include <asm/mach-common/bits/otp.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + printf("Board: ADI BF518F EZ-Board board\n"); + printf(" Support: http://blackfin.uclinux.org/\n"); + return 0; +} + +phys_size_t initdram(int board_type) +{ + gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE; + return gd->bd->bi_memsize; +} + +#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; + } +#endif + + if (!valid_mac) { + puts("Warning: Generating 'random' MAC address\n"); + bfin_gen_rand_mac(mac_addr); + } + + eth_setenv_enetaddr("ethaddr", mac_addr); +} + +int board_eth_init(bd_t *bis) +{ + static bool switch_is_alive = false; + int ret; + + if (!switch_is_alive) { + struct spi_slave *slave = spi_setup_slave(0, 1, 5000000, SPI_MODE_3); + if (slave) { + if (!spi_claim_bus(slave)) { + unsigned char dout[3] = { 2, 1, 1, }; + unsigned char din[3]; + ret = spi_xfer(slave, sizeof(dout) * 8, dout, din, SPI_XFER_BEGIN | SPI_XFER_END); + if (!ret) + switch_is_alive = true; + spi_release_bus(slave); + } + spi_free_slave(slave); + } + } + + if (switch_is_alive) + return bfin_EMAC_initialize(bis); + else + return -1; +} +#endif + +int misc_init_r(void) +{ +#ifdef CONFIG_BFIN_MAC + uchar enetaddr[6]; + if (!eth_getenv_enetaddr("ethaddr", enetaddr)) + board_init_enetaddr(enetaddr); +#endif + + return 0; +} |