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Fix some endianness issues related to the generic ohci driver

This commit is contained in:
Markus Klotzbuecher 2006-11-27 11:46:46 +01:00 committed by Markus Klotzbuecher
parent 7b59b3c7a8
commit ae3b770e4e
3 changed files with 66 additions and 18 deletions
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60
drivers/usb_ohci.c
View File

@ -62,15 +62,20 @@
#include <usb.h>
#include "usb_ohci.h"
#undef S3C24X0_merge
#define S3C24X0_merge
#if defined(CONFIG_ARM920T) || \
defined(CONFIG_S3C2400) || \
defined(CONFIG_S3C2410)
defined(CONFIG_S3C2410) || \
defined(CONFIG_440EP) || \
defined(CONFIG_MPC5200)
# define OHCI_USE_NPS /* force NoPowerSwitching mode */
#endif
#undef OHCI_VERBOSE_DEBUG /* not always helpful */
#undef DEBUG
#undef SHOW_INFO
#undef OHCI_FILL_TRACE
/* For initializing controller (mask in an HCFS mode too) */
#define OHCI_CONTROL_INIT \
@ -95,8 +100,13 @@
#define info(format, arg...) do {} while(0)
#endif
#define m16_swap(x) swap_16(x)
#define m32_swap(x) swap_32(x)
#if defined(CONFIG_440EP) || defined(CONFIG_MPC5200)
# define m16_swap(x) (x)
# define m32_swap(x) (x)
#else
# define m16_swap(x) swap_16(x)
# define m32_swap(x) swap_32(x)
#endif
/* global ohci_t */
static ohci_t gohci;
@ -523,7 +533,7 @@ static int ep_link (ohci_t *ohci, ed_t *edi)
if (ohci->ed_controltail == NULL) {
writel (ed, &ohci->regs->ed_controlhead);
} else {
ohci->ed_controltail->hwNextED = m32_swap (ed);
ohci->ed_controltail->hwNextED = m32_swap ((unsigned long)ed);
}
ed->ed_prev = ohci->ed_controltail;
if (!ohci->ed_controltail && !ohci->ed_rm_list[0] &&
@ -539,7 +549,7 @@ static int ep_link (ohci_t *ohci, ed_t *edi)
if (ohci->ed_bulktail == NULL) {
writel (ed, &ohci->regs->ed_bulkhead);
} else {
ohci->ed_bulktail->hwNextED = m32_swap (ed);
ohci->ed_bulktail->hwNextED = m32_swap ((unsigned long)ed);
}
ed->ed_prev = ohci->ed_bulktail;
if (!ohci->ed_bulktail && !ohci->ed_rm_list[0] &&
@ -635,7 +645,7 @@ static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe)
ed->hwINFO = m32_swap (OHCI_ED_SKIP); /* skip ed */
/* dummy td; end of td list for ed */
td = td_alloc (usb_dev);
ed->hwTailP = m32_swap (td);
ed->hwTailP = m32_swap ((unsigned long)td);
ed->hwHeadP = ed->hwTailP;
ed->state = ED_UNLINK;
ed->type = usb_pipetype (pipe);
@ -693,12 +703,12 @@ static void td_fill (ohci_t *ohci, unsigned int info,
data = 0;
td->hwINFO = m32_swap (info);
td->hwCBP = m32_swap (data);
td->hwCBP = m32_swap ((unsigned long)data);
if (data)
td->hwBE = m32_swap (data + len - 1);
td->hwBE = m32_swap ((unsigned long)(data + len - 1));
else
td->hwBE = 0;
td->hwNextTD = m32_swap (td_pt);
td->hwNextTD = m32_swap ((unsigned long)td_pt);
#ifndef S3C24X0_merge
td->hwPSW [0] = m16_swap (((__u32)data & 0x0FFF) | 0xE000);
#endif
@ -875,7 +885,12 @@ static int dl_done_list (ohci_t *ohci, td_t *td_list)
/* see if this done list makes for all TD's of current URB,
* and mark the URB finished if so */
if (++(lurb_priv->td_cnt) == lurb_priv->length) {
#if 1
if ((ed->state & (ED_OPER | ED_UNLINK)) &&
(lurb_priv->state != URB_DEL))
#else
if ((ed->state & (ED_OPER | ED_UNLINK)))
#endif
urb_finished = 1;
else
dbg("dl_done_list: strange.., ED state %x, ed->state\n");
@ -1068,9 +1083,15 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe));
}
bmRType_bReq = cmd->requesttype | (cmd->request << 8);
#if defined(CONFIG_440EP) || defined(CONFIG_MPC5200)
wValue = __swap_16(cmd->value);
wIndex = __swap_16(cmd->index);
wLength = __swap_16(cmd->length);
#else
wValue = m16_swap (cmd->value);
wIndex = m16_swap (cmd->index);
wLength = m16_swap (cmd->length);
#endif /* CONFIG_440EP || CONFIG_MPC5200 */
info("Root-Hub: adr: %2x cmd(%1x): %08x %04x %04x %04x",
dev->devnum, 8, bmRType_bReq, wValue, wIndex, wLength);
@ -1084,6 +1105,20 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe));
RH_OTHER | RH_CLASS almost ever means HUB_PORT here
*/
#if defined(CONFIG_440EP) || defined(CONFIG_MPC5200)
case RH_GET_STATUS:
*(__u16 *) data_buf = __swap_16(1); OK (2);
case RH_GET_STATUS | RH_INTERFACE:
*(__u16 *) data_buf = __swap_16(0); OK (2);
case RH_GET_STATUS | RH_ENDPOINT:
*(__u16 *) data_buf = __swap_16(0); OK (2);
case RH_GET_STATUS | RH_CLASS:
*(__u32 *) data_buf = __swap_32(
RD_RH_STAT & ~(RH_HS_CRWE | RH_HS_DRWE));
OK (4);
case RH_GET_STATUS | RH_OTHER | RH_CLASS:
*(__u32 *) data_buf = __swap_32(RD_RH_PORTSTAT); OK (4);
#else
case RH_GET_STATUS:
*(__u16 *) data_buf = m16_swap (1); OK (2);
case RH_GET_STATUS | RH_INTERFACE:
@ -1096,6 +1131,7 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe));
OK (4);
case RH_GET_STATUS | RH_OTHER | RH_CLASS:
*(__u32 *) data_buf = m32_swap (RD_RH_PORTSTAT); OK (4);
#endif /* CONFIG_440EP || CONFIG_MPC5200 */
case RH_CLEAR_FEATURE | RH_ENDPOINT:
switch (wValue) {
@ -1294,8 +1330,10 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
return -1;
}
#if 0
wait_ms(10);
/* ohci_dump_status(&gohci); */
#endif
/* allow more time for a BULK device to react - some are slow */
#define BULK_TO 5000 /* timeout in milliseconds */
@ -1337,6 +1375,7 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
err("CTL:TIMEOUT ");
#ifdef S3C24X0_merge
dbg("submit_common_msg: TO status %x\n", stat);
stat = USB_ST_CRC_ERR;
urb_finished = 1;
#endif
stat = USB_ST_CRC_ERR;
@ -1755,5 +1794,4 @@ int usb_lowlevel_stop(void)
return 0;
}
#endif /* CONFIG_USB_OHCI_NEW */

9
include/configs/IceCube.h
View File

@ -94,9 +94,16 @@
/* USB */
#if 1
#define CONFIG_USB_OHCI
#define CONFIG_USB_OHCI_NEW
#define ADD_USB_CMD CFG_CMD_USB | CFG_CMD_FAT
#define CONFIG_USB_STORAGE
#undef CFG_USB_OHCI_BOARD_INIT
#define CFG_USB_OHCI_CPU_INIT
#define CFG_USB_OHCI_REGS_BASE MPC5XXX_USB
#define CFG_USB_OHCI_SLOT_NAME "mpc5200"
#define CFG_USB_OHCI_MAX_ROOT_PORTS 15
#else
#define ADD_USB_CMD 0
#endif

15
include/usb.h
View File

@ -230,16 +230,12 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
/* big endian -> little endian conversion */
/* some CPUs are already little endian e.g. the ARM920T */
#ifdef LITTLEENDIAN
#define swap_16(x) ((unsigned short)(x))
#define swap_32(x) ((unsigned long)(x))
#else
#define swap_16(x) \
#define __swap_16(x) \
({ unsigned short x_ = (unsigned short)x; \
(unsigned short)( \
((x_ & 0x00FFU) << 8) | ((x_ & 0xFF00U) >> 8) ); \
})
#define swap_32(x) \
#define __swap_32(x) \
({ unsigned long x_ = (unsigned long)x; \
(unsigned long)( \
((x_ & 0x000000FFUL) << 24) | \
@ -247,6 +243,13 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
((x_ & 0x00FF0000UL) >> 8) | \
((x_ & 0xFF000000UL) >> 24) ); \
})
#ifdef LITTLEENDIAN
# define swap_16(x) (x)
# define swap_32(x) (x)
#else
# define swap_16(x) __swap_16(x)
# define swap_32(x) __swap_32(x)
#endif /* LITTLEENDIAN */
/*