1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2010
4 * Texas Instruments Incorporated, <www.ti.com>
5 * Aneesh V <aneesh@ti.com>
6 * Steve Sakoman <steve@sakoman.com>
7 */
8 #include <common.h>
9 #include <init.h>
10 #include <net.h>
11 #include <palmas.h>
12 #include <asm/arch/omap.h>
13 #include <asm/arch/sys_proto.h>
14 #include <asm/arch/mmc_host_def.h>
15 #include <serial.h>
16 #include <tca642x.h>
17 #include <usb.h>
18 #include <asm/global_data.h>
19 #include <linux/delay.h>
20 #include <linux/usb/gadget.h>
21 #include <dwc3-uboot.h>
22 #include <dwc3-omap-uboot.h>
23 #include <ti-usb-phy-uboot.h>
24
25 #include "mux_data.h"
26
27 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_XHCI_OMAP)
28 #include <sata.h>
29 #include <usb.h>
30 #include <asm/gpio.h>
31 #include <asm/mach-types.h>
32 #include <asm/arch/clock.h>
33 #include <asm/arch/ehci.h>
34 #include <asm/ehci-omap.h>
35 #include <asm/arch/sata.h>
36
37 #define DIE_ID_REG_BASE (OMAP54XX_L4_CORE_BASE + 0x2000)
38 #define DIE_ID_REG_OFFSET 0x200
39
40 #endif
41
42 DECLARE_GLOBAL_DATA_PTR;
43
44 const struct omap_sysinfo sysinfo = {
45 "Board: OMAP5432 uEVM\n"
46 };
47
48 /**
49 * @brief tca642x_init - uEVM default values for the GPIO expander
50 * input reg, output reg, polarity reg, configuration reg
51 */
52 struct tca642x_bank_info tca642x_init[] = {
53 { .input_reg = 0x00,
54 .output_reg = 0x04,
55 .polarity_reg = 0x00,
56 .configuration_reg = 0x80 },
57 { .input_reg = 0x00,
58 .output_reg = 0x00,
59 .polarity_reg = 0x00,
60 .configuration_reg = 0xff },
61 { .input_reg = 0x00,
62 .output_reg = 0x00,
63 .polarity_reg = 0x00,
64 .configuration_reg = 0x40 },
65 };
66
67 #ifdef CONFIG_USB_DWC3
68 static struct dwc3_device usb_otg_ss = {
69 .maximum_speed = USB_SPEED_SUPER,
70 .base = OMAP5XX_USB_OTG_SS_BASE,
71 .tx_fifo_resize = false,
72 .index = 0,
73 };
74
75 static struct dwc3_omap_device usb_otg_ss_glue = {
76 .base = (void *)OMAP5XX_USB_OTG_SS_GLUE_BASE,
77 .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
78 .index = 0,
79 };
80
81 static struct ti_usb_phy_device usb_phy_device = {
82 .pll_ctrl_base = (void *)OMAP5XX_USB3_PHY_PLL_CTRL,
83 .usb2_phy_power = (void *)OMAP5XX_USB2_PHY_POWER,
84 .usb3_phy_power = (void *)OMAP5XX_USB3_PHY_POWER,
85 .index = 0,
86 };
87
board_usb_init(int index,enum usb_init_type init)88 int board_usb_init(int index, enum usb_init_type init)
89 {
90 if (index) {
91 printf("Invalid Controller Index\n");
92 return -EINVAL;
93 }
94
95 if (init == USB_INIT_DEVICE) {
96 usb_otg_ss.dr_mode = USB_DR_MODE_PERIPHERAL;
97 usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
98 } else {
99 usb_otg_ss.dr_mode = USB_DR_MODE_HOST;
100 usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
101 }
102
103 enable_usb_clocks(index);
104 ti_usb_phy_uboot_init(&usb_phy_device);
105 dwc3_omap_uboot_init(&usb_otg_ss_glue);
106 dwc3_uboot_init(&usb_otg_ss);
107
108 return 0;
109 }
110
board_usb_cleanup(int index,enum usb_init_type init)111 int board_usb_cleanup(int index, enum usb_init_type init)
112 {
113 if (index) {
114 printf("Invalid Controller Index\n");
115 return -EINVAL;
116 }
117
118 ti_usb_phy_uboot_exit(index);
119 dwc3_uboot_exit(index);
120 dwc3_omap_uboot_exit(index);
121 disable_usb_clocks(index);
122
123 return 0;
124 }
125
usb_gadget_handle_interrupts(int index)126 int usb_gadget_handle_interrupts(int index)
127 {
128 u32 status;
129
130 status = dwc3_omap_uboot_interrupt_status(index);
131 if (status)
132 dwc3_uboot_handle_interrupt(index);
133
134 return 0;
135 }
136 #endif
137
138 /**
139 * @brief board_init
140 *
141 * @return 0
142 */
board_init(void)143 int board_init(void)
144 {
145 gpmc_init();
146 gd->bd->bi_arch_number = MACH_TYPE_OMAP5_SEVM;
147 gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
148
149 tca642x_set_inital_state(CONFIG_SYS_I2C_TCA642X_ADDR, tca642x_init);
150
151 return 0;
152 }
153
154 #if defined(CONFIG_SPL_OS_BOOT)
spl_start_uboot(void)155 int spl_start_uboot(void)
156 {
157 /* break into full u-boot on 'c' */
158 if (serial_tstc() && serial_getc() == 'c')
159 return 1;
160
161 return 0;
162 }
163 #endif /* CONFIG_SPL_OS_BOOT */
164
board_eth_init(struct bd_info * bis)165 int board_eth_init(struct bd_info *bis)
166 {
167 return 0;
168 }
169
170 /**
171 * @brief misc_init_r - Configure EVM board specific configurations
172 * such as power configurations, ethernet initialization as phase2 of
173 * boot sequence
174 *
175 * @return 0
176 */
misc_init_r(void)177 int misc_init_r(void)
178 {
179 #ifdef CONFIG_PALMAS_POWER
180 palmas_init_settings();
181 #endif
182
183 omap_die_id_usbethaddr();
184
185 return 0;
186 }
187
set_muxconf_regs(void)188 void set_muxconf_regs(void)
189 {
190 do_set_mux((*ctrl)->control_padconf_core_base,
191 core_padconf_array_essential,
192 sizeof(core_padconf_array_essential) /
193 sizeof(struct pad_conf_entry));
194
195 do_set_mux((*ctrl)->control_padconf_wkup_base,
196 wkup_padconf_array_essential,
197 sizeof(wkup_padconf_array_essential) /
198 sizeof(struct pad_conf_entry));
199 }
200
201 #if defined(CONFIG_MMC)
board_mmc_init(struct bd_info * bis)202 int board_mmc_init(struct bd_info *bis)
203 {
204 omap_mmc_init(0, 0, 0, -1, -1);
205 omap_mmc_init(1, 0, 0, -1, -1);
206 return 0;
207 }
208 #endif
209
210 #ifdef CONFIG_USB_XHCI_OMAP
211 /**
212 * @brief board_usb_init - Configure EVM board specific configurations
213 * for the LDO's and clocks for the USB blocks.
214 *
215 * @return 0
216 */
board_usb_init(int index,enum usb_init_type init)217 int board_usb_init(int index, enum usb_init_type init)
218 {
219 int ret;
220 #ifdef CONFIG_PALMAS_USB_SS_PWR
221 ret = palmas_enable_ss_ldo();
222 #endif
223
224 return 0;
225 }
226 #endif
227