diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/cm-bf537e/.gitignore | 1 | ||||
| -rw-r--r-- | board/cm-bf537e/Makefile | 57 | ||||
| -rw-r--r-- | board/cm-bf537e/cm-bf537e.c | 59 | ||||
| -rw-r--r-- | board/cm-bf537e/config.mk | 33 | ||||
| -rw-r--r-- | board/cm-bf537e/flash.c | 34 | ||||
| -rw-r--r-- | board/cm-bf537e/gpio_cfi_flash.c | 60 | ||||
| -rw-r--r-- | board/cm-bf537e/gpio_cfi_flash.h | 10 | ||||
| -rw-r--r-- | board/cm-bf537e/u-boot.lds.S | 143 | 
8 files changed, 397 insertions, 0 deletions
| diff --git a/board/cm-bf537e/.gitignore b/board/cm-bf537e/.gitignore new file mode 100644 index 000000000..945f32454 --- /dev/null +++ b/board/cm-bf537e/.gitignore @@ -0,0 +1 @@ +/u-boot.lds diff --git a/board/cm-bf537e/Makefile b/board/cm-bf537e/Makefile new file mode 100644 index 000000000..f8c270e7c --- /dev/null +++ b/board/cm-bf537e/Makefile @@ -0,0 +1,57 @@ +# +# 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 flash.o gpio_cfi_flash.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/cm-bf537e/cm-bf537e.c b/board/cm-bf537e/cm-bf537e.c new file mode 100644 index 000000000..d1ca0a420 --- /dev/null +++ b/board/cm-bf537e/cm-bf537e.c @@ -0,0 +1,59 @@ +/* + * 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 "gpio_cfi_flash.h" + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ +	printf("Board: Bluetechnix CM-BF537E board\n"); +	printf("       Support: http://www.bluetechnix.at/\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) +{ +	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 + +	gpio_cfi_flash_init(); + +	return 0; +} diff --git a/board/cm-bf537e/config.mk b/board/cm-bf537e/config.mk new file mode 100644 index 000000000..c8b9fb8c1 --- /dev/null +++ b/board/cm-bf537e/config.mk @@ -0,0 +1,33 @@ +# +# 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-BFIN_BOOT_PARA := --bits 16 --dma 8 +LDR_FLAGS += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE)) diff --git a/board/cm-bf537e/flash.c b/board/cm-bf537e/flash.c new file mode 100644 index 000000000..25aeed264 --- /dev/null +++ b/board/cm-bf537e/flash.c @@ -0,0 +1,34 @@ +/* + * flash.c - helper commands for working with GPIO-assisted flash + * + * Copyright (c) 2005-2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <command.h> +#include <asm/blackfin.h> +#include "gpio_cfi_flash.h" + +int do_pf(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ +	ulong faddr = CONFIG_SYS_FLASH_BASE; +	ushort data; +	ulong dflg; + +	if (argc > 1) { +		dflg = simple_strtoul(argv[1], NULL, 16); +		faddr |= (dflg << 21); +		gpio_cfi_flash_swizzle((void *)faddr); +	} else { +		data = bfin_read_PORTFIO(); +		printf("Port F data %04x (PF4:%i)\n", data, !!(data & PF4)); +	} + +	return 0; +} + +U_BOOT_CMD(pf, 3, 0, do_pf, +	"set/clear PF4 GPIO flash bank switch\n", +	"<pf4> - set PF4 GPIO pin state\n"); diff --git a/board/cm-bf537e/gpio_cfi_flash.c b/board/cm-bf537e/gpio_cfi_flash.c new file mode 100644 index 000000000..bb35169c5 --- /dev/null +++ b/board/cm-bf537e/gpio_cfi_flash.c @@ -0,0 +1,60 @@ +/* + * gpio_cfi_flash.c - GPIO-assisted Flash Chip Support + * + * Copyright (c) 2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <asm/blackfin.h> +#include <asm/io.h> +#include "gpio_cfi_flash.h" + +#define GPIO_PIN_1  PF4 +#define GPIO_MASK_1 (1 << 21) +#define GPIO_MASK   (GPIO_MASK_1) + +void *gpio_cfi_flash_swizzle(void *vaddr) +{ +	unsigned long addr = (unsigned long)vaddr; + +	if (addr & GPIO_MASK_1) +		bfin_write_PORTFIO_SET(GPIO_PIN_1); +	else +		bfin_write_PORTFIO_CLEAR(GPIO_PIN_1); + +#ifdef GPIO_MASK_2 +	if (addr & GPIO_MASK_2) +		bfin_write_PORTGIO_SET(GPIO_PIN_2); +	else +		bfin_write_PORTGIO_CLEAR(GPIO_PIN_2); +#endif + +	SSYNC(); + +	return (void *)(addr & ~GPIO_MASK); +} + +#define __raw_writeq(value, addr) *(volatile u64 *)addr = value +#define __raw_readq(addr) *(volatile u64 *)addr + +#define MAKE_FLASH(size, sfx) \ +void flash_write##size(u##size value, void *addr) \ +{ \ +	__raw_write##sfx(value, gpio_cfi_flash_swizzle(addr)); \ +} \ +u##size flash_read##size(void *addr) \ +{ \ +	return __raw_read##sfx(gpio_cfi_flash_swizzle(addr)); \ +} +MAKE_FLASH(8, b)  /* flash_write8()  flash_read8() */ +MAKE_FLASH(16, w) /* flash_write16() flash_write16() */ +MAKE_FLASH(32, l) /* flash_write32() flash_write32() */ +MAKE_FLASH(64, q) /* flash_write64() flash_write64() */ + +void gpio_cfi_flash_init(void) +{ +	bfin_write_PORTFIO_DIR(bfin_read_PORTFIO_DIR() | GPIO_PIN_1); +	gpio_cfi_flash_swizzle((void *)CONFIG_SYS_FLASH_BASE); +} diff --git a/board/cm-bf537e/gpio_cfi_flash.h b/board/cm-bf537e/gpio_cfi_flash.h new file mode 100644 index 000000000..5211e972a --- /dev/null +++ b/board/cm-bf537e/gpio_cfi_flash.h @@ -0,0 +1,10 @@ +/* + * gpio_cfi_flash.c - GPIO-assisted Flash Chip Support + * + * Copyright (c) 2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +void *gpio_cfi_flash_swizzle(void *vaddr); +void gpio_cfi_flash_init(void); diff --git a/board/cm-bf537e/u-boot.lds.S b/board/cm-bf537e/u-boot.lds.S new file mode 100644 index 000000000..8ddfa81da --- /dev/null +++ b/board/cm-bf537e/u-boot.lds.S @@ -0,0 +1,143 @@ +/* + * 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.*) + +#ifdef ENV_IS_EMBEDDED +		/* WARNING - the following is hand-optimized to fit within +		 * the sector before the environment sector. If it throws +		 * an error during compilation remove an object here to get +		 * it linked after the configuration sector. +		 */ + +		cpu/blackfin/traps.o		(.text .text.*) +		cpu/blackfin/interrupt.o	(.text .text.*) +		cpu/blackfin/serial.o		(.text .text.*) +		common/dlmalloc.o		(.text .text.*) +		lib_generic/crc32.o		(.text .text.*) + +		. = DEFINED(env_offset) ? env_offset : .; +		common/env_embedded.o	(.text .text.*) +#endif + +		__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 +} |