diff options
Diffstat (limited to 'u-boot/board/bf518f-ezbrd')
| -rw-r--r-- | u-boot/board/bf518f-ezbrd/Makefile | 54 | ||||
| -rw-r--r-- | u-boot/board/bf518f-ezbrd/bf518f-ezbrd.c | 162 | ||||
| -rw-r--r-- | u-boot/board/bf518f-ezbrd/config.mk | 35 |
3 files changed, 251 insertions, 0 deletions
diff --git a/u-boot/board/bf518f-ezbrd/Makefile b/u-boot/board/bf518f-ezbrd/Makefile new file mode 100644 index 0000000..cde8168 --- /dev/null +++ b/u-boot/board/bf518f-ezbrd/Makefile @@ -0,0 +1,54 @@ +# +# U-boot - Makefile +# +# Copyright (c) 2005-2008 Analog Device Inc. +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS-y := $(BOARD).o + +SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS-y)) +SOBJS := $(addprefix $(obj),$(SOBJS-y)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/u-boot/board/bf518f-ezbrd/bf518f-ezbrd.c b/u-boot/board/bf518f-ezbrd/bf518f-ezbrd.c new file mode 100644 index 0000000..ff1ac4c --- /dev/null +++ b/u-boot/board/bf518f-ezbrd/bf518f-ezbrd.c @@ -0,0 +1,162 @@ +/* + * 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/portmux.h> +#include <asm/mach-common/bits/otp.h> +#include <asm/sdh.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; +} + +#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); +} + +#define KSZ_MAX_HZ 5000000 + +#define KSZ_WRITE 0x02 +#define KSZ_READ 0x03 + +#define KSZ_REG_CHID 0x00 /* Register 0: Chip ID0 */ +#define KSZ_REG_STPID 0x01 /* Register 1: Chip ID1 / Start Switch */ +#define KSZ_REG_GC9 0x0b /* Register 11: Global Control 9 */ +#define KSZ_REG_P3C0 0x30 /* Register 48: Port 3 Control 0 */ + +static int ksz8893m_transfer(struct spi_slave *slave, uchar dir, uchar reg, + uchar data, uchar result[3]) +{ + unsigned char dout[3] = { dir, reg, data, }; + return spi_xfer(slave, sizeof(dout) * 8, dout, result, SPI_XFER_BEGIN | SPI_XFER_END); +} + +static int ksz8893m_reg_set(struct spi_slave *slave, uchar reg, uchar data) +{ + unsigned char din[3]; + return ksz8893m_transfer(slave, KSZ_WRITE, reg, data, din); +} + +static int ksz8893m_reg_read(struct spi_slave *slave, uchar reg) +{ + int ret; + unsigned char din[3]; + ret = ksz8893m_transfer(slave, KSZ_READ, reg, 0, din); + return ret ? ret : din[2]; +} + +static int ksz8893m_reg_clear(struct spi_slave *slave, uchar reg, uchar mask) +{ + return ksz8893m_reg_set(slave, reg, ksz8893m_reg_read(slave, reg) & mask); +} + +static int ksz8893m_reset(struct spi_slave *slave) +{ + int ret = 0; + + /* Disable STPID mode */ + ret |= ksz8893m_reg_clear(slave, KSZ_REG_GC9, 0x01); + + /* Disable VLAN tag insert on Port3 */ + ret |= ksz8893m_reg_clear(slave, KSZ_REG_P3C0, 0x04); + + /* Start switch */ + ret |= ksz8893m_reg_set(slave, KSZ_REG_STPID, 0x01); + + return ret; +} + +int board_eth_init(bd_t *bis) +{ + static bool switch_is_alive = false, phy_is_ksz = true; + int ret; + + 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; + switch_is_alive = (ret == 0); + 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; +} + +int board_early_init_f(void) +{ + /* connect async banks by default */ + const unsigned short pins[] = { + P_AMS2, P_AMS3, 0, + }; + return peripheral_request_list(pins, "async"); +} + +#ifdef CONFIG_BFIN_SDH +int board_mmc_init(bd_t *bis) +{ + return bfin_mmc_init(bis); +} +#endif diff --git a/u-boot/board/bf518f-ezbrd/config.mk b/u-boot/board/bf518f-ezbrd/config.mk new file mode 100644 index 0000000..9a54dbf --- /dev/null +++ b/u-boot/board/bf518f-ezbrd/config.mk @@ -0,0 +1,35 @@ +# +# Copyright (c) 2005-2008 Analog Device Inc. +# +# (C) Copyright 2001 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# This is not actually used for Blackfin boards so do not change it +#CONFIG_SYS_TEXT_BASE = do-not-use-me + +CONFIG_BFIN_CPU = bf518-0.0 + +CFLAGS_lib += -O2 +CFLAGS_lib/lzma += -O2 + +# Set some default LDR flags based on boot mode. +LDR_FLAGS += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE)) |