1 // SPDX-License-Identifier: GPL-2.0-only
20 #include <asm/mach-au1x00/au1000.h>
28 #define USBHEN_RD	(1 << 4)		/* OHCI reset-done indicator */
29 #define USBHEN_CE	(1 << 3)		/* OHCI block clock enable */
30 #define USBHEN_E	(1 << 2)		/* OHCI block enable */
32 #define USBHEN_BE	(1 << 0)		/* OHCI Big-Endian */
35 #define USBCFG_PFEN	(1 << 31)		/* prefetch enable (undoc) */
40 #define USBCFG_UCE	(1 << 18)		/* UDC clock enable */
41 #define USBCFG_ECE	(1 << 17)		/* EHCI clock enable */
42 #define USBCFG_OCE	(1 << 16)		/* OHCI clock enable */
46 #define USBCFG_DBE	(1 << 5)		/* UDC busmaster enable */
47 #define USBCFG_DME	(1 << 4)		/* UDC mem enable */
48 #define USBCFG_EBE	(1 << 3)		/* EHCI busmaster enable */
49 #define USBCFG_EME	(1 << 2)		/* EHCI mem enable */
50 #define USBCFG_OBE	(1 << 1)		/* OHCI busmaster enable */
51 #define USBCFG_OME	(1 << 0)		/* OHCI mem enable */
75 #define USB_DWC_CTRL1_HSTRS	0x02 /* set to ENable EHCI */
76 #define USB_DWC_CTRL1_DCRS	0x01 /* set to ENable UDC */
78 #define USB_DWC_CTRL2_PHY1RS	0x04 /* set to enable PHY1 */
79 #define USB_DWC_CTRL2_PHY0RS	0x02 /* set to enable PHY0 */
80 #define USB_DWC_CTRL2_PHYRS	0x01 /* set to enable PHY */
96 static DEFINE_SPINLOCK(alchemy_usb_lock);
98 static inline void __au1300_usb_phyctl(void __iomem *base, int enable)  in __au1300_usb_phyctl()  argument
108 	if (enable) {  in __au1300_usb_phyctl()
109 		/* simply enable all PHYs */  in __au1300_usb_phyctl()
123 static inline void __au1300_ohci_control(void __iomem *base, int enable, int id)  in __au1300_ohci_control()  argument
127 	if (enable) {  in __au1300_ohci_control()
131 		r = __raw_readl(base + USB_DWC_CTRL3);	/* enable OHCI block */  in __au1300_ohci_control()
137 		__au1300_usb_phyctl(base, enable);	/* power up the PHYs */  in __au1300_ohci_control()
159 		__au1300_usb_phyctl(base, enable);  in __au1300_ohci_control()
163 static inline void __au1300_ehci_control(void __iomem *base, int enable)  in __au1300_ehci_control()  argument
167 	if (enable) {  in __au1300_ehci_control()
178 		__au1300_usb_phyctl(base, enable);  in __au1300_ehci_control()
200 		__au1300_usb_phyctl(base, enable);  in __au1300_ehci_control()
204 static inline void __au1300_udc_control(void __iomem *base, int enable)  in __au1300_udc_control()  argument
208 	if (enable) {  in __au1300_udc_control()
214 		__au1300_usb_phyctl(base, enable);  in __au1300_udc_control()
231 		__au1300_usb_phyctl(base, enable);  in __au1300_udc_control()
235 static inline void __au1300_otg_control(void __iomem *base, int enable)  in __au1300_otg_control()  argument
238 	if (enable) {  in __au1300_otg_control()
249 		__au1300_usb_phyctl(base, enable);  in __au1300_otg_control()
261 		__au1300_usb_phyctl(base, enable);  in __au1300_otg_control()
265 static inline int au1300_usb_control(int block, int enable)  in au1300_usb_control()  argument
273 		__au1300_ohci_control(base, enable, 0);  in au1300_usb_control()
276 		__au1300_ohci_control(base, enable, 1);  in au1300_usb_control()
279 		__au1300_ehci_control(base, enable);  in au1300_usb_control()
282 		__au1300_udc_control(base, enable);  in au1300_usb_control()
285 		__au1300_otg_control(base, enable);  in au1300_usb_control()
288 		ret = -ENODEV;  in au1300_usb_control()
293 static inline void au1300_usb_init(void)  in au1300_usb_init()
316 static inline void __au1200_ohci_control(void __iomem *base, int enable)  in __au1200_ohci_control()  argument
319 	if (enable) {  in __au1200_ohci_control()
330 static inline void __au1200_ehci_control(void __iomem *base, int enable)  in __au1200_ehci_control()  argument
333 	if (enable) {  in __au1200_ehci_control()
346 static inline void __au1200_udc_control(void __iomem *base, int enable)  in __au1200_udc_control()  argument
349 	if (enable) {  in __au1200_udc_control()
360 static inline int au1200_usb_control(int block, int enable)  in au1200_usb_control()  argument
367 		__au1200_ohci_control(base, enable);  in au1200_usb_control()
370 		__au1200_udc_control(base, enable);  in au1200_usb_control()
373 		__au1200_ehci_control(base, enable);  in au1200_usb_control()
376 		return -ENODEV;  in au1200_usb_control()
383 static inline void au1200_usb_init(void)  in au1200_usb_init()
392 static inline int au1000_usb_init(unsigned long rb, int reg)  in au1000_usb_init()
401 		return -ENODEV;  in au1000_usb_init()
404 		return -ENODEV;  in au1000_usb_init()
408 		return -ENODEV;  in au1000_usb_init()
425 static inline void __au1xx0_ohci_control(int enable, unsigned long rb, int creg)  in __au1xx0_ohci_control()  argument
434 	if (enable) {  in __au1xx0_ohci_control()
458 static inline int au1000_usb_control(int block, int enable, unsigned long rb,  in au1000_usb_control()  argument
465 		__au1xx0_ohci_control(enable, rb, creg);  in au1000_usb_control()
468 		ret = -ENODEV;  in au1000_usb_control()
474  * alchemy_usb_control - control Alchemy on-chip USB blocks
476  * @enable:	set 1 to enable a block, 0 to disable
478 int alchemy_usb_control(int block, int enable)  in alchemy_usb_control()  argument
488 		ret = au1000_usb_control(block, enable,  in alchemy_usb_control()
492 		ret = au1000_usb_control(block, enable,  in alchemy_usb_control()
496 		ret = au1200_usb_control(block, enable);  in alchemy_usb_control()
499 		ret = au1300_usb_control(block, enable);  in alchemy_usb_control()
502 		ret = -ENODEV;  in alchemy_usb_control()
510 static unsigned long alchemy_usb_pmdata[2];
512 static void au1000_usb_pm(unsigned long br, int creg, int susp)  in au1000_usb_pm()
529 static void au1200_usb_pm(int susp)  in au1200_usb_pm()
549 static void au1300_usb_pm(int susp)  in au1300_usb_pm()
563 static void alchemy_usb_pm(int susp)  in alchemy_usb_pm()
583 static int alchemy_usb_suspend(void)  in alchemy_usb_suspend()
589 static void alchemy_usb_resume(void)  in alchemy_usb_resume()
594 static struct syscore_ops alchemy_usb_pm_ops = {
599 static int __init alchemy_usb_init(void)  in alchemy_usb_init()