1 /*
2  * Copyright (C) 2011
3  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
4  *
5  * Copyright (C) 2009 TechNexion Ltd.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include <netdev.h>
12 #include <asm/io.h>
13 #include <asm/arch/mem.h>
14 #include <asm/arch/mux.h>
15 #include <asm/arch/sys_proto.h>
16 #include <asm/omap_gpio.h>
17 #include <asm/arch/mmc_host_def.h>
18 #include <i2c.h>
19 #include <spl.h>
20 #include <mmc.h>
21 #include <asm/gpio.h>
22 #ifdef CONFIG_USB_EHCI
23 #include <usb.h>
24 #include <asm/ehci-omap.h>
25 #endif
26 #include "twister.h"
27 
28 DECLARE_GLOBAL_DATA_PTR;
29 
30 /* Timing definitions for Ethernet Controller */
31 static const u32 gpmc_smc911[] = {
32 	NET_GPMC_CONFIG1,
33 	NET_GPMC_CONFIG2,
34 	NET_GPMC_CONFIG3,
35 	NET_GPMC_CONFIG4,
36 	NET_GPMC_CONFIG5,
37 	NET_GPMC_CONFIG6,
38 };
39 
40 static const u32 gpmc_XR16L2751[] = {
41 	XR16L2751_GPMC_CONFIG1,
42 	XR16L2751_GPMC_CONFIG2,
43 	XR16L2751_GPMC_CONFIG3,
44 	XR16L2751_GPMC_CONFIG4,
45 	XR16L2751_GPMC_CONFIG5,
46 	XR16L2751_GPMC_CONFIG6,
47 };
48 
49 #ifdef CONFIG_USB_EHCI
50 static struct omap_usbhs_board_data usbhs_bdata = {
51 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
52 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
53 	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
54 };
55 
56 int ehci_hcd_init(int index, enum usb_init_type init,
57 		struct ehci_hccr **hccr, struct ehci_hcor **hcor)
58 {
59 	return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
60 }
61 
62 int ehci_hcd_stop(int index)
63 {
64 	return omap_ehci_hcd_stop();
65 }
66 #endif
67 
68 int board_init(void)
69 {
70 	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
71 
72 	/* boot param addr */
73 	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
74 
75 	/* Chip select 1  and 3 are used for XR16L2751 UART controller */
76 	enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[1],
77 		XR16L2751_UART1_BASE, GPMC_SIZE_16M);
78 
79 	enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[3],
80 		XR16L2751_UART2_BASE, GPMC_SIZE_16M);
81 
82 	gpio_request(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, "USB_PHY1_RESET");
83 	gpio_direction_output(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, 1);
84 
85 	return 0;
86 }
87 
88 #ifndef CONFIG_SPL_BUILD
89 int misc_init_r(void)
90 {
91 	char *eth_addr;
92 	struct tam3517_module_info info;
93 	int ret;
94 
95 	omap_die_id_display();
96 
97 	eth_addr = getenv("ethaddr");
98 	if (eth_addr)
99 		return 0;
100 
101 	TAM3517_READ_EEPROM(&info, ret);
102 	if (!ret)
103 		TAM3517_READ_MAC_FROM_EEPROM(&info);
104 
105 	return 0;
106 }
107 #endif
108 
109 /*
110  * Routine: set_muxconf_regs
111  * Description: Setting up the configuration Mux registers specific to the
112  *		hardware. Many pins need to be moved from protect to primary
113  *		mode.
114  */
115 void set_muxconf_regs(void)
116 {
117 	MUX_TWISTER();
118 }
119 
120 int board_eth_init(bd_t *bis)
121 {
122 	davinci_emac_initialize();
123 
124 	/* init cs for extern lan */
125 	enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
126 		CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
127 	if (smc911x_initialize(0, CONFIG_SMC911X_BASE) <= 0)
128 		printf("\nError initializing SMC911x controlleri\n");
129 
130 	return 0;
131 }
132 
133 #if defined(CONFIG_OMAP_HSMMC) && \
134 	!defined(CONFIG_SPL_BUILD)
135 int board_mmc_init(bd_t *bis)
136 {
137 	return omap_mmc_init(0, 0, 0, -1, -1);
138 }
139 #endif
140 
141 #ifdef CONFIG_SPL_OS_BOOT
142 /*
143  * Do board specific preperation before SPL
144  * Linux boot
145  */
146 void spl_board_prepare_for_linux(void)
147 {
148 	/* init cs for extern lan */
149 	enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
150 		CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
151 }
152 int spl_start_uboot(void)
153 {
154 	int val = 0;
155 	if (!gpio_request(SPL_OS_BOOT_KEY, "U-Boot key")) {
156 		gpio_direction_input(SPL_OS_BOOT_KEY);
157 		val = gpio_get_value(SPL_OS_BOOT_KEY);
158 		gpio_free(SPL_OS_BOOT_KEY);
159 	}
160 	return val;
161 }
162 #endif
163