1 /* 2 * (C) Copyright 2010 3 * Armando Visconti, ST Micoelectronics, <armando.visconti@st.com>. 4 * 5 * (C) Copyright 2009 6 * Marvell Semiconductor <www.marvell.com> 7 * Written-by: Prafulla Wadaskar <prafulla@marvell.com> 8 * 9 * SPDX-License-Identifier: GPL-2.0+ 10 */ 11 12 #include <common.h> 13 #include <asm/io.h> 14 #include <usb.h> 15 #include "ehci.h" 16 #include <asm/arch/hardware.h> 17 #include <asm/arch/spr_misc.h> 18 19 static void spear6xx_usbh_stop(void) 20 { 21 struct misc_regs *const misc_p = 22 (struct misc_regs *)CONFIG_SPEAR_MISCBASE; 23 u32 periph1_rst = readl(misc_p->periph1_rst); 24 25 periph1_rst |= PERIPH_USBH1 | PERIPH_USBH2; 26 writel(periph1_rst, misc_p->periph1_rst); 27 28 udelay(1000); 29 periph1_rst &= ~(PERIPH_USBH1 | PERIPH_USBH2); 30 writel(periph1_rst, misc_p->periph1_rst); 31 } 32 33 /* 34 * Create the appropriate control structures to manage 35 * a new EHCI host controller. 36 */ 37 int ehci_hcd_init(int index, enum usb_init_type init, 38 struct ehci_hccr **hccr, struct ehci_hcor **hcor) 39 { 40 u32 ehci = 0; 41 42 switch (index) { 43 case 0: 44 ehci = CONFIG_SYS_UHC0_EHCI_BASE; 45 break; 46 case 1: 47 ehci = CONFIG_SYS_UHC1_EHCI_BASE; 48 break; 49 default: 50 printf("ERROR: wrong controller index!\n"); 51 break; 52 }; 53 54 *hccr = (struct ehci_hccr *)(ehci + 0x100); 55 *hcor = (struct ehci_hcor *)((uint32_t) *hccr + 56 HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); 57 58 debug("SPEAr-ehci: init hccr %x and hcor %x hc_length %d\n", 59 (uint32_t)*hccr, (uint32_t)*hcor, 60 (uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); 61 62 return 0; 63 } 64 65 /* 66 * Destroy the appropriate control structures corresponding 67 * the the EHCI host controller. 68 */ 69 int ehci_hcd_stop(int index) 70 { 71 #if defined(CONFIG_SPEAR600) 72 spear6xx_usbh_stop(); 73 #endif 74 75 return 0; 76 } 77