diff options
Diffstat (limited to 'board/cm-bf527')
| -rw-r--r-- | board/cm-bf527/.gitignore | 1 | ||||
| -rw-r--r-- | board/cm-bf527/Makefile | 57 | ||||
| -rw-r--r-- | board/cm-bf527/cm-bf527.c | 79 | ||||
| -rw-r--r-- | board/cm-bf527/config.mk | 32 | ||||
| -rw-r--r-- | board/cm-bf527/gpio.c | 74 | ||||
| -rw-r--r-- | board/cm-bf527/gpio_cfi_flash.c | 63 | ||||
| -rw-r--r-- | board/cm-bf527/gpio_cfi_flash.h | 10 | ||||
| -rw-r--r-- | board/cm-bf527/u-boot.lds.S | 124 |
8 files changed, 440 insertions, 0 deletions
diff --git a/board/cm-bf527/.gitignore b/board/cm-bf527/.gitignore new file mode 100644 index 0000000..945f324 --- /dev/null +++ b/board/cm-bf527/.gitignore @@ -0,0 +1 @@ +/u-boot.lds diff --git a/board/cm-bf527/Makefile b/board/cm-bf527/Makefile new file mode 100644 index 0000000..07d285e --- /dev/null +++ b/board/cm-bf527/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 gpio.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-bf527/cm-bf527.c b/board/cm-bf527/cm-bf527.c new file mode 100644 index 0000000..db1cf90 --- /dev/null +++ b/board/cm-bf527/cm-bf527.c @@ -0,0 +1,79 @@ +/* + * 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 <net.h> +#include <netdev.h> +#include <asm/blackfin.h> +#include <asm/net.h> +#include <asm/mach-common/bits/otp.h> +#include "gpio_cfi_flash.h" + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + printf("Board: Bluetechnix CM-BF527 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) +{ + 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 + + gpio_cfi_flash_init(); + + return 0; +} diff --git a/board/cm-bf527/config.mk b/board/cm-bf527/config.mk new file mode 100644 index 0000000..f4a5a80 --- /dev/null +++ b/board/cm-bf527/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/cm-bf527/gpio.c b/board/cm-bf527/gpio.c new file mode 100644 index 0000000..dcf641b --- /dev/null +++ b/board/cm-bf527/gpio.c @@ -0,0 +1,74 @@ +/* + * Control GPIO pins on the fly + * + * Copyright (c) 2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <command.h> + +#include <asm/blackfin.h> + +int do_gpio(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + if (argc != 3) { + show_usage: + printf("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + /* parse the behavior */ + ulong port_cmd = 0; + switch (argv[1][0]) { + case 'i': break; + case 's': port_cmd = (PORTFIO_SET - PORTFIO); break; + case 'c': port_cmd = (PORTFIO_CLEAR - PORTFIO); break; + case 't': port_cmd = (PORTFIO_TOGGLE - PORTFIO); break; + default: goto show_usage; + } + + /* parse the pin with format: [p]<fgh><#> */ + const char *str_pin = argv[2]; + + /* grab the [p]<fgh> portion */ + ulong port_base; + if (*str_pin == 'p') ++str_pin; + switch (*str_pin) { + case 'f': port_base = PORTFIO; break; + case 'g': port_base = PORTGIO; break; + case 'h': port_base = PORTHIO; break; + default: goto show_usage; + } + + /* grab the <#> portion */ + ulong pin = simple_strtoul(str_pin+1, NULL, 10); + ulong pin_mask = (1 << pin); + if (pin > 15) + goto show_usage; + + /* finally, let's do it: set direction and exec command */ + switch (*str_pin) { + case 'f': bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~pin_mask); break; + case 'g': bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~pin_mask); break; + case 'h': bfin_write_PORTH_FER(bfin_read_PORTH_FER() & ~pin_mask); break; + } + + ulong port_dir = port_base + (PORTFIO_DIR - PORTFIO); + if (argv[1][0] == 'i') + bfin_write16(port_dir, bfin_read16(port_dir) & ~pin_mask); + else { + bfin_write16(port_dir, bfin_read16(port_dir) | pin_mask); + bfin_write16(port_base + port_cmd, pin_mask); + } + + printf("gpio: pin %li on port %c has been %c\n", pin, *str_pin, argv[1][0]); + + return 0; +} + +U_BOOT_CMD(gpio, 3, 0, do_gpio, + "gpio - set/clear/toggle gpio output pins\n", + "<s|c|t> <port><pin>\n" + " - set/clear/toggle the specified pin\n"); diff --git a/board/cm-bf527/gpio_cfi_flash.c b/board/cm-bf527/gpio_cfi_flash.c new file mode 100644 index 0000000..565d900 --- /dev/null +++ b/board/cm-bf527/gpio_cfi_flash.c @@ -0,0 +1,63 @@ +/* + * 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 PH9 +#define GPIO_MASK_1 (1 << 21) +#define GPIO_PIN_2 PG11 +#define GPIO_MASK_2 (1 << 22) +#define GPIO_MASK (GPIO_MASK_1 | GPIO_MASK_2) + +void *gpio_cfi_flash_swizzle(void *vaddr) +{ + unsigned long addr = (unsigned long)vaddr; + + if (addr & GPIO_MASK_1) + bfin_write_PORTHIO_SET(GPIO_PIN_1); + else + bfin_write_PORTHIO_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_PORTHIO_DIR(bfin_read_PORTHIO_DIR() | GPIO_PIN_1); + bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() | GPIO_PIN_2); + gpio_cfi_flash_swizzle((void *)CONFIG_SYS_FLASH_BASE); +} diff --git a/board/cm-bf527/gpio_cfi_flash.h b/board/cm-bf527/gpio_cfi_flash.h new file mode 100644 index 0000000..5211e97 --- /dev/null +++ b/board/cm-bf527/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-bf527/u-boot.lds.S b/board/cm-bf527/u-boot.lds.S new file mode 100644 index 0000000..3e8be35 --- /dev/null +++ b/board/cm-bf527/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 +} |