| Michael Schwingen | d9fe6cc | 2011-05-23 00:00:09 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2009 |
| 3 | * Michael Schwingen, michael@schwingen.org |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include <common.h> |
| 25 | #include <config.h> |
| 26 | #include <command.h> |
| 27 | #include <malloc.h> |
| 28 | #include <asm/arch/ixp425.h> |
| 29 | #include <asm/io.h> |
| 30 | #include <miiphy.h> |
| 31 | #ifdef CONFIG_PCI |
| 32 | #include <pci.h> |
| 33 | #include <asm/arch/ixp425pci.h> |
| 34 | #endif |
| 35 | |
| 36 | #include "dvlhost_hw.h" |
| 37 | |
| 38 | DECLARE_GLOBAL_DATA_PTR; |
| 39 | |
| 40 | int board_early_init_f(void) |
| 41 | { |
| 42 | /* CS1: LED Latch */ |
| 43 | writel(0xBFFF0002, IXP425_EXP_CS1); |
| 44 | return 0; |
| 45 | } |
| 46 | |
| 47 | int board_init(void) |
| 48 | { |
| 49 | gd->bd->bi_arch_number = MACH_TYPE_DVLHOST; |
| 50 | |
| 51 | /* adress of boot parameters */ |
| 52 | gd->bd->bi_boot_params = 0x00000100; |
| 53 | |
| 54 | /* Setup GPIOs used as output */ |
| 55 | GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_WDGTRIGGER); |
| 56 | GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_DLAN_PAIRING); |
| 57 | GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PCIRST); |
| 58 | |
| 59 | /* |
| 60 | * LED latch enable and watchdog enable are tied to the same GPIO, |
| 61 | * so we need to trigger the watchdog if we want to enable the LEDs. |
| 62 | */ |
| 63 | #ifdef CONFIG_HW_WATCHDOG |
| 64 | GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_WDG_LED_EN); |
| 65 | #else |
| 66 | GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_WDG_LED_EN); |
| 67 | #endif |
| 68 | |
| 69 | GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_WDGTRIGGER); |
| 70 | GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DLAN_PAIRING); |
| 71 | GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_WDG_LED_EN); |
| 72 | GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCIRST); |
| 73 | |
| 74 | /* Setup GPIOs for Interrupt inputs */ |
| 75 | GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_WLAN); |
| 76 | GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_PAIRING); |
| 77 | GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_RESET); |
| 78 | GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_IRQA); |
| 79 | GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_IRQB); |
| 80 | |
| 81 | /* Setup GPIO's for 33MHz clock output */ |
| 82 | GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK); |
| 83 | GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK); |
| 84 | writel(0x01FF01FF, IXP425_GPIO_GPCLKR); |
| 85 | |
| 86 | /* turn off all LEDs */ |
| 87 | writew(0x0000, DVLHOST_LED_LATCH); |
| 88 | |
| 89 | udelay(533); |
| 90 | GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_PCIRST); |
| 91 | |
| 92 | return 0; |
| 93 | } |
| 94 | |
| 95 | /* Check Board Identity */ |
| 96 | int checkboard(void) |
| 97 | { |
| 98 | char *s = getenv("serial#"); |
| 99 | |
| 100 | puts("Board: dLAN 200AV (dvlhost)"); |
| 101 | |
| 102 | if (s != NULL) { |
| 103 | puts(", serial# "); |
| 104 | puts(s); |
| 105 | } |
| 106 | putc('\n'); |
| 107 | |
| 108 | return 0; |
| 109 | } |
| 110 | |
| 111 | int dram_init(void) |
| 112 | { |
| 113 | gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 128<<20); |
| 114 | return 0; |
| 115 | } |
| 116 | |
| 117 | #ifdef CONFIG_PCI |
| 118 | struct pci_controller hose; |
| 119 | |
| 120 | void pci_init_board(void) |
| 121 | { |
| 122 | pci_ixp_init(&hose); |
| 123 | } |
| 124 | #endif |
| 125 | |
| 126 | void reset_phy(void) |
| 127 | { |
| 128 | /* init IcPlus IP175C ethernet switch to native IP175C mode */ |
| 129 | miiphy_write("NPE1", 29, 31, 0x175C); |
| 130 | } |