diff options
Diffstat (limited to 'board/dvlhost/dvlhost.c')
| -rw-r--r-- | board/dvlhost/dvlhost.c | 130 |
1 files changed, 130 insertions, 0 deletions
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); +} |