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ARM: AM43xx: Add functions to enable and disable USB clocks
[people/ms/u-boot.git] / board / ti / omap5_uevm / evm.c
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1/*
2 * (C) Copyright 2010
3 * Texas Instruments Incorporated, <www.ti.com>
4 * Aneesh V <aneesh@ti.com>
5 * Steve Sakoman <steve@sakoman.com>
6 *
1a459660 7 * SPDX-License-Identifier: GPL-2.0+
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8 */
9#include <common.h>
cb199102 10#include <palmas.h>
7ba792c0 11#include <asm/arch/omap.h>
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12#include <asm/arch/sys_proto.h>
13#include <asm/arch/mmc_host_def.h>
fdce7b63 14#include <tca642x.h>
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15#include <usb.h>
16#include <linux/usb/gadget.h>
17#include <dwc3-uboot.h>
18#include <dwc3-omap-uboot.h>
19#include <ti-usb-phy-uboot.h>
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20
21#include "mux_data.h"
22
96805532 23#if defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_XHCI_OMAP)
e9024ef2 24#include <sata.h>
5e5cfaf9 25#include <usb.h>
1572eadf 26#include <asm/gpio.h>
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27#include <asm/arch/clock.h>
28#include <asm/arch/ehci.h>
29#include <asm/ehci-omap.h>
afdc6321 30#include <asm/arch/sata.h>
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31
32#define DIE_ID_REG_BASE (OMAP54XX_L4_CORE_BASE + 0x2000)
33#define DIE_ID_REG_OFFSET 0x200
34
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35#endif
36
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37DECLARE_GLOBAL_DATA_PTR;
38
39const struct omap_sysinfo sysinfo = {
5a7bd384 40 "Board: OMAP5432 uEVM\n"
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41};
42
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43/**
44 * @brief tca642x_init - uEVM default values for the GPIO expander
45 * input reg, output reg, polarity reg, configuration reg
46 */
47struct tca642x_bank_info tca642x_init[] = {
48 { .input_reg = 0x00,
49 .output_reg = 0x04,
50 .polarity_reg = 0x00,
51 .configuration_reg = 0x80 },
52 { .input_reg = 0x00,
53 .output_reg = 0x00,
54 .polarity_reg = 0x00,
55 .configuration_reg = 0xff },
56 { .input_reg = 0x00,
57 .output_reg = 0x00,
58 .polarity_reg = 0x00,
59 .configuration_reg = 0x40 },
60};
61
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62#ifdef CONFIG_USB_DWC3
63static struct dwc3_device usb_otg_ss = {
64 .maximum_speed = USB_SPEED_SUPER,
65 .base = OMAP5XX_USB_OTG_SS_BASE,
66 .tx_fifo_resize = false,
67 .index = 0,
68};
69
70static struct dwc3_omap_device usb_otg_ss_glue = {
71 .base = (void *)OMAP5XX_USB_OTG_SS_GLUE_BASE,
72 .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
73 .index = 0,
74};
75
76static struct ti_usb_phy_device usb_phy_device = {
77 .pll_ctrl_base = (void *)OMAP5XX_USB3_PHY_PLL_CTRL,
78 .usb2_phy_power = (void *)OMAP5XX_USB2_PHY_POWER,
79 .usb3_phy_power = (void *)OMAP5XX_USB3_PHY_POWER,
80 .index = 0,
81};
82
83int board_usb_init(int index, enum usb_init_type init)
84{
85 if (index) {
86 printf("Invalid Controller Index\n");
87 return -EINVAL;
88 }
89
90 if (init == USB_INIT_DEVICE) {
91 usb_otg_ss.dr_mode = USB_DR_MODE_PERIPHERAL;
92 usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
93 } else {
94 usb_otg_ss.dr_mode = USB_DR_MODE_HOST;
95 usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
96 }
97
98 ti_usb_phy_uboot_init(&usb_phy_device);
99 dwc3_omap_uboot_init(&usb_otg_ss_glue);
100 dwc3_uboot_init(&usb_otg_ss);
101
102 return 0;
103}
104
105int board_usb_cleanup(int index, enum usb_init_type init)
106{
107 if (index) {
108 printf("Invalid Controller Index\n");
109 return -EINVAL;
110 }
111
112 ti_usb_phy_uboot_exit(index);
113 dwc3_uboot_exit(index);
114 dwc3_omap_uboot_exit(index);
115
116 return 0;
117}
118
119int usb_gadget_handle_interrupts(int index)
120{
121 u32 status;
122
123 status = dwc3_omap_uboot_interrupt_status(index);
124 if (status)
125 dwc3_uboot_handle_interrupt(index);
126
127 return 0;
128}
129#endif
130
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131/**
132 * @brief board_init
133 *
134 * @return 0
135 */
136int board_init(void)
137{
138 gpmc_init();
139 gd->bd->bi_arch_number = MACH_TYPE_OMAP5_SEVM;
140 gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
141
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142 tca642x_set_inital_state(CONFIG_SYS_I2C_TCA642X_ADDR, tca642x_init);
143
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144 return 0;
145}
146
147int board_eth_init(bd_t *bis)
148{
149 return 0;
150}
151
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152#if defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_XHCI_OMAP)
153static void enable_host_clocks(void)
154{
155 int auxclk;
156 int hs_clk_ctrl_val = (OPTFCLKEN_HSIC60M_P3_CLK |
157 OPTFCLKEN_HSIC480M_P3_CLK |
158 OPTFCLKEN_HSIC60M_P2_CLK |
159 OPTFCLKEN_HSIC480M_P2_CLK |
160 OPTFCLKEN_UTMI_P3_CLK | OPTFCLKEN_UTMI_P2_CLK);
161
162 /* Enable port 2 and 3 clocks*/
163 setbits_le32((*prcm)->cm_l3init_hsusbhost_clkctrl, hs_clk_ctrl_val);
164
165 /* Enable port 2 and 3 usb host ports tll clocks*/
166 setbits_le32((*prcm)->cm_l3init_hsusbtll_clkctrl,
167 (OPTFCLKEN_USB_CH1_CLK_ENABLE | OPTFCLKEN_USB_CH2_CLK_ENABLE));
168#ifdef CONFIG_USB_XHCI_OMAP
169 /* Enable the USB OTG Super speed clocks */
170 setbits_le32((*prcm)->cm_l3init_usb_otg_ss_clkctrl,
171 (OPTFCLKEN_REFCLK960M | OTG_SS_CLKCTRL_MODULEMODE_HW));
172#endif
173
174 auxclk = readl((*prcm)->scrm_auxclk1);
175 /* Request auxilary clock */
176 auxclk |= AUXCLK_ENABLE_MASK;
177 writel(auxclk, (*prcm)->scrm_auxclk1);
178}
179#endif
180
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181/**
182 * @brief misc_init_r - Configure EVM board specific configurations
183 * such as power configurations, ethernet initialization as phase2 of
184 * boot sequence
185 *
186 * @return 0
187 */
188int misc_init_r(void)
189{
ea02b653 190 int reg;
8a0c6d6f 191 u32 id[4];
ea02b653 192
cb199102 193#ifdef CONFIG_PALMAS_POWER
12733881 194 palmas_init_settings();
508a58fa 195#endif
96805532 196
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197 reg = DIE_ID_REG_BASE + DIE_ID_REG_OFFSET;
198
199 id[0] = readl(reg);
200 id[1] = readl(reg + 0x8);
201 id[2] = readl(reg + 0xC);
202 id[3] = readl(reg + 0x10);
203 usb_fake_mac_from_die_id(id);
ea02b653 204
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205 return 0;
206}
207
208void set_muxconf_regs_essential(void)
209{
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210 do_set_mux((*ctrl)->control_padconf_core_base,
211 core_padconf_array_essential,
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212 sizeof(core_padconf_array_essential) /
213 sizeof(struct pad_conf_entry));
214
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215 do_set_mux((*ctrl)->control_padconf_wkup_base,
216 wkup_padconf_array_essential,
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217 sizeof(wkup_padconf_array_essential) /
218 sizeof(struct pad_conf_entry));
219}
220
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221#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
222int board_mmc_init(bd_t *bis)
223{
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224 omap_mmc_init(0, 0, 0, -1, -1);
225 omap_mmc_init(1, 0, 0, -1, -1);
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226 return 0;
227}
228#endif
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229
230#ifdef CONFIG_USB_EHCI
231static struct omap_usbhs_board_data usbhs_bdata = {
232 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
233 .port_mode[1] = OMAP_EHCI_PORT_MODE_HSIC,
234 .port_mode[2] = OMAP_EHCI_PORT_MODE_HSIC,
235};
236
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237int ehci_hcd_init(int index, enum usb_init_type init,
238 struct ehci_hccr **hccr, struct ehci_hcor **hcor)
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239{
240 int ret;
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241
242 enable_host_clocks();
243
16297cfb 244 ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
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245 if (ret < 0) {
246 puts("Failed to initialize ehci\n");
247 return ret;
248 }
249
250 return 0;
251}
252
253int ehci_hcd_stop(void)
254{
255 int ret;
256
257 ret = omap_ehci_hcd_stop();
258 return ret;
259}
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260
261void usb_hub_reset_devices(int port)
262{
263 /* The LAN9730 needs to be reset after the port power has been set. */
264 if (port == 3) {
265 gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 0);
266 udelay(10);
267 gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 1);
268 }
269}
5e5cfaf9 270#endif
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271
272#ifdef CONFIG_USB_XHCI_OMAP
273/**
274 * @brief board_usb_init - Configure EVM board specific configurations
275 * for the LDO's and clocks for the USB blocks.
276 *
277 * @return 0
278 */
7e575c46 279int board_usb_init(int index, enum usb_init_type init)
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280{
281 int ret;
282#ifdef CONFIG_PALMAS_USB_SS_PWR
283 ret = palmas_enable_ss_ldo();
284#endif
285
286 enable_host_clocks();
287
288 return 0;
289}
290#endif