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
spear6xx_usbh_stop(void)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 */
ehci_hcd_init(int index,enum usb_init_type init,struct ehci_hccr ** hccr,struct ehci_hcor ** hcor)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 */
ehci_hcd_stop(int index)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