1 /* 2 * Copyright (C) 2011 3 * Stefano Babic, DENX Software Engineering, sbabic@denx.de. 4 * 5 * Copyright (C) 2009 TechNexion Ltd. 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #include <common.h> 27 #include <netdev.h> 28 #include <asm/io.h> 29 #include <asm/arch/mem.h> 30 #include <asm/arch/mux.h> 31 #include <asm/arch/sys_proto.h> 32 #include <asm/omap_gpio.h> 33 #include <asm/arch/mmc_host_def.h> 34 #include <i2c.h> 35 #include <asm/gpio.h> 36 #ifdef CONFIG_USB_EHCI 37 #include <usb.h> 38 #include <asm/ehci-omap.h> 39 #endif 40 #include "twister.h" 41 42 DECLARE_GLOBAL_DATA_PTR; 43 44 /* Timing definitions for Ethernet Controller */ 45 static const u32 gpmc_smc911[] = { 46 NET_GPMC_CONFIG1, 47 NET_GPMC_CONFIG2, 48 NET_GPMC_CONFIG3, 49 NET_GPMC_CONFIG4, 50 NET_GPMC_CONFIG5, 51 NET_GPMC_CONFIG6, 52 }; 53 54 static const u32 gpmc_XR16L2751[] = { 55 XR16L2751_GPMC_CONFIG1, 56 XR16L2751_GPMC_CONFIG2, 57 XR16L2751_GPMC_CONFIG3, 58 XR16L2751_GPMC_CONFIG4, 59 XR16L2751_GPMC_CONFIG5, 60 XR16L2751_GPMC_CONFIG6, 61 }; 62 63 #ifdef CONFIG_USB_EHCI 64 static struct omap_usbhs_board_data usbhs_bdata = { 65 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, 66 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, 67 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, 68 }; 69 70 int ehci_hcd_init(void) 71 { 72 return omap_ehci_hcd_init(&usbhs_bdata); 73 } 74 75 int ehci_hcd_stop(void) 76 { 77 return omap_ehci_hcd_stop(); 78 } 79 #endif 80 81 int board_init(void) 82 { 83 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ 84 85 /* boot param addr */ 86 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); 87 88 /* Chip select 1 and 3 are used for XR16L2751 UART controller */ 89 enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[1], 90 XR16L2751_UART1_BASE, GPMC_SIZE_16M); 91 92 enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[3], 93 XR16L2751_UART2_BASE, GPMC_SIZE_16M); 94 95 gpio_request(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, "USB_PHY1_RESET"); 96 gpio_direction_output(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, 1); 97 98 return 0; 99 } 100 101 int misc_init_r(void) 102 { 103 char *eth_addr; 104 105 dieid_num_r(); 106 107 eth_addr = getenv("ethaddr"); 108 if (eth_addr) 109 return 0; 110 111 #ifndef CONFIG_SPL_BUILD 112 TAM3517_READ_MAC_FROM_EEPROM; 113 #endif 114 115 return 0; 116 } 117 118 /* 119 * Routine: set_muxconf_regs 120 * Description: Setting up the configuration Mux registers specific to the 121 * hardware. Many pins need to be moved from protect to primary 122 * mode. 123 */ 124 void set_muxconf_regs(void) 125 { 126 MUX_TWISTER(); 127 } 128 129 int board_eth_init(bd_t *bis) 130 { 131 davinci_emac_initialize(); 132 133 /* init cs for extern lan */ 134 enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5], 135 CONFIG_SMC911X_BASE, GPMC_SIZE_16M); 136 if (smc911x_initialize(0, CONFIG_SMC911X_BASE) <= 0) 137 printf("\nError initializing SMC911x controlleri\n"); 138 139 return 0; 140 } 141 142 #if defined(CONFIG_OMAP_HSMMC) && \ 143 !defined(CONFIG_SPL_BUILD) 144 int board_mmc_init(bd_t *bis) 145 { 146 return omap_mmc_init(0, 0, 0); 147 } 148 #endif 149 150 #ifdef CONFIG_SPL_OS_BOOT 151 /* 152 * Do board specific preperation before SPL 153 * Linux boot 154 */ 155 void spl_board_prepare_for_linux(void) 156 { 157 /* init cs for extern lan */ 158 enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5], 159 CONFIG_SMC911X_BASE, GPMC_SIZE_16M); 160 } 161 int spl_start_uboot(void) 162 { 163 int val = 0; 164 if (!gpio_request(CONFIG_SPL_OS_BOOT_KEY, "U-Boot key")) { 165 gpio_direction_input(CONFIG_SPL_OS_BOOT_KEY); 166 val = gpio_get_value(CONFIG_SPL_OS_BOOT_KEY); 167 gpio_free(CONFIG_SPL_OS_BOOT_KEY); 168 } 169 return val; 170 } 171 #endif 172