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(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
71 {
72 	return omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor);
73 }
74 
75 int ehci_hcd_stop(int index)
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 #ifndef CONFIG_SPL_BUILD
102 int misc_init_r(void)
103 {
104 	char *eth_addr;
105 	struct tam3517_module_info info;
106 	int ret;
107 
108 	dieid_num_r();
109 
110 	eth_addr = getenv("ethaddr");
111 	if (eth_addr)
112 		return 0;
113 
114 	TAM3517_READ_EEPROM(&info, ret);
115 	if (!ret)
116 		TAM3517_READ_MAC_FROM_EEPROM(&info);
117 
118 	return 0;
119 }
120 #endif
121 
122 /*
123  * Routine: set_muxconf_regs
124  * Description: Setting up the configuration Mux registers specific to the
125  *		hardware. Many pins need to be moved from protect to primary
126  *		mode.
127  */
128 void set_muxconf_regs(void)
129 {
130 	MUX_TWISTER();
131 }
132 
133 int board_eth_init(bd_t *bis)
134 {
135 	davinci_emac_initialize();
136 
137 	/* init cs for extern lan */
138 	enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
139 		CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
140 	if (smc911x_initialize(0, CONFIG_SMC911X_BASE) <= 0)
141 		printf("\nError initializing SMC911x controlleri\n");
142 
143 	return 0;
144 }
145 
146 #if defined(CONFIG_OMAP_HSMMC) && \
147 	!defined(CONFIG_SPL_BUILD)
148 int board_mmc_init(bd_t *bis)
149 {
150 	return omap_mmc_init(0, 0, 0);
151 }
152 #endif
153 
154 #ifdef CONFIG_SPL_OS_BOOT
155 /*
156  * Do board specific preperation before SPL
157  * Linux boot
158  */
159 void spl_board_prepare_for_linux(void)
160 {
161 	/* init cs for extern lan */
162 	enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
163 		CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
164 }
165 int spl_start_uboot(void)
166 {
167 	int val = 0;
168 	if (!gpio_request(CONFIG_SPL_OS_BOOT_KEY, "U-Boot key")) {
169 		gpio_direction_input(CONFIG_SPL_OS_BOOT_KEY);
170 		val = gpio_get_value(CONFIG_SPL_OS_BOOT_KEY);
171 		gpio_free(CONFIG_SPL_OS_BOOT_KEY);
172 	}
173 	return val;
174 }
175 #endif
176