| /* |
| * (C) Copyright 2009 |
| * Michael Schwingen, michael@schwingen.org |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #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) |
| { |
| /* 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); |
| } |