diff options
Diffstat (limited to 'board/bf526-ezbrd')
-rw-r--r-- | board/bf526-ezbrd/.gitignore | 1 | ||||
-rw-r--r-- | board/bf526-ezbrd/Makefile | 58 | ||||
-rw-r--r-- | board/bf526-ezbrd/bf526-ezbrd.c | 77 | ||||
-rw-r--r-- | board/bf526-ezbrd/config.mk | 32 | ||||
-rw-r--r-- | board/bf526-ezbrd/status-led.c | 56 | ||||
-rw-r--r-- | board/bf526-ezbrd/u-boot.lds.S | 124 |
6 files changed, 348 insertions, 0 deletions
diff --git a/board/bf526-ezbrd/.gitignore b/board/bf526-ezbrd/.gitignore new file mode 100644 index 0000000..945f324 --- /dev/null +++ b/board/bf526-ezbrd/.gitignore @@ -0,0 +1 @@ +/u-boot.lds diff --git a/board/bf526-ezbrd/Makefile b/board/bf526-ezbrd/Makefile new file mode 100644 index 0000000..88846ba --- /dev/null +++ b/board/bf526-ezbrd/Makefile @@ -0,0 +1,58 @@ +# +# 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).a + +COBJS-y := $(BOARD).o +COBJS-$(CONFIG_STATUS_LED) += status-led.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) $(obj)u-boot.lds + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +$(obj)u-boot.lds: u-boot.lds.S + $(CPP) $(CPPFLAGS) -D__ASSEMBLY__ -P $^ > $@ + +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/board/bf526-ezbrd/bf526-ezbrd.c b/board/bf526-ezbrd/bf526-ezbrd.c new file mode 100644 index 0000000..1666bf6 --- /dev/null +++ b/board/bf526-ezbrd/bf526-ezbrd.c @@ -0,0 +1,77 @@ +/* + * U-boot - main board file + * + * Copyright (c) 2005-2009 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 <asm/blackfin.h> +#include <asm/net.h> +#include <asm/mach-common/bits/otp.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + printf("Board: ADI BF526 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; +} + +#ifdef CONFIG_BFIN_MAC +static void board_init_enetaddr(uchar *mac_addr) +{ + bool valid_mac = false; + + /* 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; + } + + 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) +{ + return bfin_EMAC_initialize(bis); +} +#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; +} diff --git a/board/bf526-ezbrd/config.mk b/board/bf526-ezbrd/config.mk new file mode 100644 index 0000000..f4a5a80 --- /dev/null +++ b/board/bf526-ezbrd/config.mk @@ -0,0 +1,32 @@ +# +# 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 +#TEXT_BASE = do-not-use-me + +LDSCRIPT = $(obj)board/$(BOARDDIR)/u-boot.lds + +# Set some default LDR flags based on boot mode. +LDR_FLAGS += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE)) diff --git a/board/bf526-ezbrd/status-led.c b/board/bf526-ezbrd/status-led.c new file mode 100644 index 0000000..6327022 --- /dev/null +++ b/board/bf526-ezbrd/status-led.c @@ -0,0 +1,56 @@ +/* + * U-boot - status leds + * + * Copyright (c) 2005-2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <config.h> +#include <command.h> +#include <status_led.h> + +static void set_led_f(int pf, int state) +{ + switch (state) { + case STATUS_LED_OFF: bfin_write_PORTFIO_CLEAR(pf); break; + case STATUS_LED_BLINKING: bfin_write_PORTFIO_TOGGLE(pf); break; + case STATUS_LED_ON: bfin_write_PORTFIO_SET(pf); break; + } +} +static void set_led_g(int pf, int state) +{ + switch (state) { + case STATUS_LED_OFF: bfin_write_PORTGIO_CLEAR(pf); break; + case STATUS_LED_BLINKING: bfin_write_PORTGIO_TOGGLE(pf); break; + case STATUS_LED_ON: bfin_write_PORTGIO_SET(pf); break; + } +} + +static void set_leds(led_id_t mask, int state) +{ + if (mask & 0x1) set_led_f(PF8, state); + if (mask & 0x2) set_led_g(PG11, state); + if (mask & 0x4) set_led_g(PG12, state); +} + +void __led_init(led_id_t mask, int state) +{ + bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~(PF8)); + bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~(PG11 | PG12)); + bfin_write_PORTFIO_INEN(bfin_read_PORTFIO_INEN() & ~(PF8)); + bfin_write_PORTGIO_INEN(bfin_read_PORTGIO_INEN() & ~(PG11 | PG12)); + bfin_write_PORTFIO_DIR(bfin_read_PORTFIO_DIR() | (PF8)); + bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() | (PG11 | PG12)); +} + +void __led_set(led_id_t mask, int state) +{ + set_leds(mask, state); +} + +void __led_toggle(led_id_t mask) +{ + set_leds(mask, STATUS_LED_BLINKING); +} diff --git a/board/bf526-ezbrd/u-boot.lds.S b/board/bf526-ezbrd/u-boot.lds.S new file mode 100644 index 0000000..3e8be35 --- /dev/null +++ b/board/bf526-ezbrd/u-boot.lds.S @@ -0,0 +1,124 @@ +/* + * U-boot - u-boot.lds.S + * + * Copyright (c) 2005-2008 Analog Device Inc. + * + * (C) Copyright 2000-2004 + * 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 <config.h> +#include <asm/blackfin.h> +#undef ALIGN +#undef ENTRY +#undef bfin + +/* If we don't actually load anything into L1 data, this will avoid + * a syntax error. If we do actually load something into L1 data, + * we'll get a linker memory load error (which is what we'd want). + * This is here in the first place so we can quickly test building + * for different CPU's which may lack non-cache L1 data. + */ +#ifndef L1_DATA_B_SRAM +# define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE +# define L1_DATA_B_SRAM_SIZE 0 +#endif + +OUTPUT_ARCH(bfin) + +MEMORY +{ + ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN + l1_code : ORIGIN = L1_INST_SRAM, LENGTH = L1_INST_SRAM_SIZE + l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE +} + +ENTRY(_start) +SECTIONS +{ + .text : + { + cpu/blackfin/start.o (.text .text.*) + __initcode_start = .; + cpu/blackfin/initcode.o (.text .text.*) + __initcode_end = .; + *(.text .text.*) + } >ram + + .rodata : + { + . = ALIGN(4); + *(.rodata .rodata.*) + *(.rodata1) + *(.eh_frame) + . = ALIGN(4); + } >ram + + .data : + { + . = ALIGN(256); + *(.data .data.*) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } >ram + + .u_boot_cmd : + { + ___u_boot_cmd_start = .; + *(.u_boot_cmd) + ___u_boot_cmd_end = .; + } >ram + + .text_l1 : + { + . = ALIGN(4); + __stext_l1 = .; + *(.l1.text) + . = ALIGN(4); + __etext_l1 = .; + } >l1_code AT>ram + __stext_l1_lma = LOADADDR(.text_l1); + + .data_l1 : + { + . = ALIGN(4); + __sdata_l1 = .; + *(.l1.data) + *(.l1.bss) + . = ALIGN(4); + __edata_l1 = .; + } >l1_data AT>ram + __sdata_l1_lma = LOADADDR(.data_l1); + + .bss : + { + . = ALIGN(4); + __bss_start = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss .bss.*) + *(COMMON) + __bss_end = .; + } >ram +} |