diff options
Diffstat (limited to 'board/dvlhost')
| -rw-r--r-- | board/dvlhost/Makefile | 50 | ||||
| -rw-r--r-- | board/dvlhost/dvlhost.c | 130 | ||||
| -rw-r--r-- | board/dvlhost/dvlhost_hw.h | 47 | ||||
| -rw-r--r-- | board/dvlhost/u-boot.lds | 87 | ||||
| -rw-r--r-- | board/dvlhost/watchdog.c | 43 |
5 files changed, 357 insertions, 0 deletions
diff --git a/board/dvlhost/Makefile b/board/dvlhost/Makefile new file mode 100644 index 0000000..af9a644 --- /dev/null +++ b/board/dvlhost/Makefile @@ -0,0 +1,50 @@ +# +# (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 := dvlhost.o watchdog.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +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/dvlhost/dvlhost.c b/board/dvlhost/dvlhost.c new file mode 100644 index 0000000..561e47f --- /dev/null +++ b/board/dvlhost/dvlhost.c @@ -0,0 +1,130 @@ +/* + * (C) Copyright 2009 + * Michael Schwingen, michael@schwingen.org + * + * 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 <common.h> +#include <config.h> +#include <command.h> +#include <malloc.h> +#include <asm/arch/ixp425.h> +#include <asm/io.h> +#include <miiphy.h> +#ifdef CONFIG_PCI +#include <pci.h> +#include <asm/arch/ixp425pci.h> +#endif + +#include "dvlhost_hw.h" + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + /* CS1: LED Latch */ + writel(0xBFFF0002, IXP425_EXP_CS1); + return 0; +} + +int board_init(void) +{ + gd->bd->bi_arch_number = MACH_TYPE_DVLHOST; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0x00000100; + + /* Setup GPIOs used as output */ + GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_WDGTRIGGER); + GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_DLAN_PAIRING); + GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PCIRST); + + /* + * LED latch enable and watchdog enable are tied to the same GPIO, + * so we need to trigger the watchdog if we want to enable the LEDs. + */ +#ifdef CONFIG_HW_WATCHDOG + GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_WDG_LED_EN); +#else + GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_WDG_LED_EN); +#endif + + GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_WDGTRIGGER); + GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DLAN_PAIRING); + GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_WDG_LED_EN); + GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCIRST); + + /* Setup GPIOs for Interrupt inputs */ + GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_WLAN); + GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_PAIRING); + GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_RESET); + GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_IRQA); + GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_IRQB); + + /* Setup GPIO's for 33MHz clock output */ + GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK); + GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK); + writel(0x01FF01FF, IXP425_GPIO_GPCLKR); + + /* turn off all LEDs */ + writew(0x0000, DVLHOST_LED_LATCH); + + udelay(533); + GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_PCIRST); + + return 0; +} + +/* Check Board Identity */ +int checkboard(void) +{ + char *s = getenv("serial#"); + + puts("Board: dLAN 200AV (dvlhost)"); + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 128<<20); + return 0; +} + +#ifdef CONFIG_PCI +struct pci_controller hose; + +void pci_init_board(void) +{ + pci_ixp_init(&hose); +} +#endif + +void reset_phy(void) +{ + /* init IcPlus IP175C ethernet switch to native IP175C mode */ + miiphy_write("NPE1", 29, 31, 0x175C); +} diff --git a/board/dvlhost/dvlhost_hw.h b/board/dvlhost/dvlhost_hw.h new file mode 100644 index 0000000..5e2d0b0 --- /dev/null +++ b/board/dvlhost/dvlhost_hw.h @@ -0,0 +1,47 @@ +/* + * (C) Copyright 2009 + * Michael Schwingen, michael@schwingen.org + * + * hardware register definitions for the + * dLAN200 AV Wireless G ("dvlhost") board. + * + * 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 + */ + +#ifndef _DVLHOST_HW_H +#define _DVLHOST_HW_H + +/* + * GPIO settings + */ +#define CONFIG_SYS_GPIO_WDGTRIGGER 0 /* Out */ +#define CONFIG_SYS_GPIO_BTN_WLAN 1 +#define CONFIG_SYS_GPIO_BTN_PAIRING 6 +#define CONFIG_SYS_GPIO_DLAN_PAIRING 7 /* Out */ +#define CONFIG_SYS_GPIO_BTN_RESET 9 +#define CONFIG_SYS_GPIO_IRQB 10 +#define CONFIG_SYS_GPIO_IRQA 11 +#define CONFIG_SYS_GPIO_WDG_LED_EN 12 /* Out */ +#define CONFIG_SYS_GPIO_PCIRST 13 /* Out */ +#define CONFIG_SYS_GPIO_PCI_CLK 14 /* Out */ +#define CONFIG_SYS_GPIO_EXTBUS_CLK 15 /* Out */ + +#define DVLHOST_LED_LATCH IXP425_EXP_BUS_CS1_BASE_PHYS + +#endif diff --git a/board/dvlhost/u-boot.lds b/board/dvlhost/u-boot.lds new file mode 100644 index 0000000..01ec390 --- /dev/null +++ b/board/dvlhost/u-boot.lds @@ -0,0 +1,87 @@ +/* + * (C) Copyright 2000 + * 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 + */ + +OUTPUT_FORMAT ("elf32-bigarm", "elf32-bigarm", "elf32-bigarm") +OUTPUT_ARCH (arm) +ENTRY (_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN (4); + .text : { + arch/arm/cpu/ixp/start.o(.text*) + net/libnet.o(.text*) + board/dvlhost/libdvlhost.o(.text*) + arch/arm/cpu/ixp/libixp.o(.text*) + drivers/serial/libserial.o(.text*) + + . = env_offset; + common/env_embedded.o(.ppcenv) + *(.text*) + } + + . = ALIGN (4); + .rodata : { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + . = ALIGN (4); + .data : { + *(.data*) + } + . = ALIGN (4); + .got : { + *(.got) + } + . =.; + __u_boot_cmd_start =.; + .u_boot_cmd : { + *(.u_boot_cmd) + } + __u_boot_cmd_end =.; + + . = ALIGN (4); + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss*) + . = ALIGN(4); + _end = .; + } + __bss_end__ =.; + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } +} diff --git a/board/dvlhost/watchdog.c b/board/dvlhost/watchdog.c new file mode 100644 index 0000000..bf83684 --- /dev/null +++ b/board/dvlhost/watchdog.c @@ -0,0 +1,43 @@ +/* + * (C) Copyright 2009 + * Michael Schwingen, michael@schwingen.org + * + * 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 <common.h> +#include <config.h> +#include <asm/io.h> +#include "dvlhost_hw.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_HW_WATCHDOG +#include <watchdog.h> +#include <asm/arch/ixp425.h> + +void hw_watchdog_reset(void) +{ + unsigned int x; + x = readl(IXP425_GPIO_GPOUTR); + x ^= (1 << (CONFIG_SYS_GPIO_WDGTRIGGER)); + writel(x, IXP425_GPIO_GPOUTR); +} + +#endif /* CONFIG_HW_WATCHDOG */ |