1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved 4 * Author(s): Patrice Chotard, <patrice.chotard (at) st.com> for STMicroelectronics. 5 */ 6 7 #include <common.h> 8 #include <linux/usb/otg.h> 9 #include <dwc3-sti-glue.h> 10 #include <dwc3-uboot.h> 11 #include <usb.h> 12 13 DECLARE_GLOBAL_DATA_PTR; 14 15 int dram_init(void) 16 { 17 gd->ram_size = PHYS_SDRAM_1_SIZE; 18 return 0; 19 } 20 21 int dram_init_banksize(void) 22 { 23 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 24 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; 25 26 return 0; 27 } 28 29 #ifndef CONFIG_SYS_DCACHE_OFF 30 void enable_caches(void) 31 { 32 /* Enable D-cache. I-cache is already enabled in start.S */ 33 dcache_enable(); 34 } 35 #endif 36 37 int board_init(void) 38 { 39 return 0; 40 } 41 42 #ifdef CONFIG_USB_DWC3 43 static struct dwc3_device dwc3_device_data = { 44 .maximum_speed = USB_SPEED_HIGH, 45 .dr_mode = USB_DR_MODE_PERIPHERAL, 46 .index = 0, 47 }; 48 49 int usb_gadget_handle_interrupts(int index) 50 { 51 dwc3_uboot_handle_interrupt(index); 52 return 0; 53 } 54 55 int board_usb_init(int index, enum usb_init_type init) 56 { 57 int node; 58 const void *blob = gd->fdt_blob; 59 60 /* find the snps,dwc3 node */ 61 node = fdt_node_offset_by_compatible(blob, -1, "snps,dwc3"); 62 63 dwc3_device_data.base = fdtdec_get_addr(blob, node, "reg"); 64 65 return dwc3_uboot_init(&dwc3_device_data); 66 } 67 68 int board_usb_cleanup(int index, enum usb_init_type init) 69 { 70 dwc3_uboot_exit(index); 71 return 0; 72 } 73 74 int g_dnl_board_usb_cable_connected(void) 75 { 76 return 1; 77 } 78 #endif 79
