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