#if defined(CONFIG_PCI_OHCI)
# include <pci.h>
+#if !defined(CONFIG_PCI_OHCI_DEVNO)
+#define CONFIG_PCI_OHCI_DEVNO 0
+#endif
#endif
#include <malloc.h>
#if defined(CONFIG_ARM920T) || \
defined(CONFIG_S3C2400) || \
defined(CONFIG_S3C2410) || \
+ defined(CONFIG_S3C6400) || \
defined(CONFIG_440EP) || \
defined(CONFIG_PCI_OHCI) || \
defined(CONFIG_MPC5200) || \
- defined(CFG_OHCI_USE_NPS)
+ defined(CONFIG_SYS_OHCI_USE_NPS)
# define OHCI_USE_NPS /* force NoPowerSwitching mode */
#endif
/*
* e.g. PCI controllers need this
*/
-#ifdef CFG_OHCI_SWAP_REG_ACCESS
-# define readl(a) __swap_32(*((vu_long *)(a)))
-# define writel(a, b) (*((vu_long *)(b)) = __swap_32((vu_long)a))
+#ifdef CONFIG_SYS_OHCI_SWAP_REG_ACCESS
+# define readl(a) __swap_32(*((volatile u32 *)(a)))
+# define writel(a, b) (*((volatile u32 *)(b)) = __swap_32((volatile u32)a))
#else
-# define readl(a) (*((vu_long *)(a)))
-# define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a))
-#endif /* CFG_OHCI_SWAP_REG_ACCESS */
+# define readl(a) (*((volatile u32 *)(a)))
+# define writel(a, b) (*((volatile u32 *)(b)) = ((volatile u32)a))
+#endif /* CONFIG_SYS_OHCI_SWAP_REG_ACCESS */
#define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
};
#endif
+#ifdef CONFIG_PCI_EHCI_DEVNO
+static struct pci_device_id ehci_pci_ids[] = {
+ {0x1131, 0x1562}, /* Philips 1562 PCI EHCI module ids */
+ /* Please add supported PCI EHCI controller ids here */
+ {0, 0}
+};
+#endif
+
#ifdef DEBUG
#define dbg(format, arg...) printf("DEBUG: " format "\n", ## arg)
#else
#define dbg(format, arg...) do {} while(0)
#endif /* DEBUG */
#define err(format, arg...) printf("ERROR: " format "\n", ## arg)
-#undef SHOW_INFO
#ifdef SHOW_INFO
#define info(format, arg...) printf("INFO: " format "\n", ## arg)
#else
#define info(format, arg...) do {} while(0)
#endif
-#ifdef CFG_OHCI_BE_CONTROLLER
+#ifdef CONFIG_SYS_OHCI_BE_CONTROLLER
# define m16_swap(x) cpu_to_be16(x)
# define m32_swap(x) cpu_to_be32(x)
#else
# define m16_swap(x) cpu_to_le16(x)
# define m32_swap(x) cpu_to_le32(x)
-#endif /* CFG_OHCI_BE_CONTROLLER */
+#endif /* CONFIG_SYS_OHCI_BE_CONTROLLER */
/* global ohci_t */
static ohci_t gohci;
/* device which was disconnected */
struct usb_device *devgone;
-/*-------------------------------------------------------------------------*/
-
-/* AMD-756 (D2 rev) reports corrupt register contents in some cases.
- * The erratum (#4) description is incorrect. AMD's workaround waits
- * till some bits (mostly reserved) are clear; ok for all revs.
- */
-#define OHCI_QUIRK_AMD756 0xabcd
-#define read_roothub(hc, register, mask) ({ \
- u32 temp = readl (&hc->regs->roothub.register); \
- if (hc->flags & OHCI_QUIRK_AMD756) \
- while (temp & mask) \
- temp = readl (&hc->regs->roothub.register); \
- temp; })
-
-static u32 roothub_a (struct ohci *hc)
- { return read_roothub (hc, a, 0xfc0fe000); }
+static inline u32 roothub_a (struct ohci *hc)
+ { return readl (&hc->regs->roothub.a); }
static inline u32 roothub_b (struct ohci *hc)
{ return readl (&hc->regs->roothub.b); }
static inline u32 roothub_status (struct ohci *hc)
{ return readl (&hc->regs->roothub.status); }
-static u32 roothub_portstatus (struct ohci *hc, int i)
- { return read_roothub (hc, portstatus [i], 0xffe0fce0); }
+static inline u32 roothub_portstatus (struct ohci *hc, int i)
+ { return readl (&hc->regs->roothub.portstatus[i]); }
/* forward declaration */
static int hc_interrupt (void);
}
bmRType_bReq = cmd->requesttype | (cmd->request << 8);
- wValue = cpu_to_le16 (cmd->value);
- wIndex = cpu_to_le16 (cmd->index);
- wLength = cpu_to_le16 (cmd->length);
+ wValue = le16_to_cpu (cmd->value);
+ wIndex = le16_to_cpu (cmd->index);
+ wLength = le16_to_cpu (cmd->length);
info("Root-Hub: adr: %2x cmd(%1x): %08x %04x %04x %04x",
dev->devnum, 8, bmRType_bReq, wValue, wIndex, wLength);
static int hc_reset (ohci_t *ohci)
{
+#ifdef CONFIG_PCI_EHCI_DEVNO
+ pci_dev_t pdev;
+#endif
int timeout = 30;
int smm_timeout = 50; /* 0,5 sec */
dbg("%s\n", __FUNCTION__);
+#ifdef CONFIG_PCI_EHCI_DEVNO
+ /*
+ * Some multi-function controllers (e.g. ISP1562) allow root hub
+ * resetting via EHCI registers only.
+ */
+ pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVNO);
+ if (pdev != -1) {
+ u32 base;
+ int timeout = 1000;
+
+ pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &base);
+ writel (readl(base + EHCI_USBCMD_OFF) | EHCI_USBCMD_HCRESET,
+ base + EHCI_USBCMD_OFF);
+
+ while (readl(base + EHCI_USBCMD_OFF) & EHCI_USBCMD_HCRESET) {
+ if (timeout-- <= 0) {
+ printf("USB RootHub reset timed out!");
+ break;
+ }
+ udelay(1);
+ }
+ } else
+ printf("No EHCI func at %d index!\n", CONFIG_PCI_EHCI_DEVNO);
+#endif
if (readl (&ohci->regs->control) & OHCI_CTRL_IR) { /* SMM owns the HC */
writel (OHCI_OCR, &ohci->regs->cmdstatus); /* request ownership */
info("USB HC TakeOver from SMM");
pci_dev_t pdev;
#endif
-#ifdef CFG_USB_OHCI_CPU_INIT
+#ifdef CONFIG_SYS_USB_OHCI_CPU_INIT
/* cpu dependant init */
if(usb_cpu_init())
return -1;
#endif
-#ifdef CFG_USB_OHCI_BOARD_INIT
+#ifdef CONFIG_SYS_USB_OHCI_BOARD_INIT
/* board dependant init */
if(usb_board_init())
return -1;
gohci.sleeping = 0;
gohci.irq = -1;
#ifdef CONFIG_PCI_OHCI
- pdev = pci_find_devices(ohci_pci_ids, 0);
+ pdev = pci_find_devices(ohci_pci_ids, CONFIG_PCI_OHCI_DEVNO);
if (pdev != -1) {
u16 vid, did;
} else
return -1;
#else
- gohci.regs = (struct ohci_regs *)CFG_USB_OHCI_REGS_BASE;
+ gohci.regs = (struct ohci_regs *)CONFIG_SYS_USB_OHCI_REGS_BASE;
#endif
gohci.flags = 0;
- gohci.slot_name = CFG_USB_OHCI_SLOT_NAME;
+ gohci.slot_name = CONFIG_SYS_USB_OHCI_SLOT_NAME;
if (hc_reset (&gohci) < 0) {
hc_release_ohci (&gohci);
err ("can't reset usb-%s", gohci.slot_name);
-#ifdef CFG_USB_OHCI_BOARD_INIT
+#ifdef CONFIG_SYS_USB_OHCI_BOARD_INIT
/* board dependant cleanup */
usb_board_init_fail();
#endif
-#ifdef CFG_USB_OHCI_CPU_INIT
+#ifdef CONFIG_SYS_USB_OHCI_CPU_INIT
/* cpu dependant cleanup */
usb_cpu_init_fail();
#endif
err ("can't start usb-%s", gohci.slot_name);
hc_release_ohci (&gohci);
/* Initialization failed */
-#ifdef CFG_USB_OHCI_BOARD_INIT
+#ifdef CONFIG_SYS_USB_OHCI_BOARD_INIT
/* board dependant cleanup */
usb_board_stop();
#endif
-#ifdef CFG_USB_OHCI_CPU_INIT
+#ifdef CONFIG_SYS_USB_OHCI_CPU_INIT
/* cpu dependant cleanup */
usb_cpu_stop();
#endif
/* call hc_release_ohci() here ? */
hc_reset (&gohci);
-#ifdef CFG_USB_OHCI_BOARD_INIT
+#ifdef CONFIG_SYS_USB_OHCI_BOARD_INIT
/* board dependant cleanup */
if(usb_board_stop())
return -1;
#endif
-#ifdef CFG_USB_OHCI_CPU_INIT
+#ifdef CONFIG_SYS_USB_OHCI_CPU_INIT
/* cpu dependant cleanup */
if(usb_cpu_stop())
return -1;
#endif
-
+ /* This driver is no longer initialised. It needs a new low-level
+ * init (board/cpu) before it can be used again. */
+ ohci_inited = 0;
return 0;
}
#endif /* CONFIG_USB_OHCI_NEW */
projects / platform / kernel / u-boot.git / blobdiff