mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-24 05:11:46 +02:00
4f531230a3
openwrt. this gives us the ability to better support different hardware models, without changing any external tar-balls. only et.o and wl.o is missing and is fetched from my webserver. git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@379 3c298f89-4303-0410-b956-a3cf2f4a3e73
466 lines
7.2 KiB
C
466 lines
7.2 KiB
C
/*
|
|
* Linux OS Independent Layer
|
|
*
|
|
* Copyright 2004, Broadcom Corporation
|
|
* All Rights Reserved.
|
|
*
|
|
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
|
|
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
|
|
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
|
|
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#define LINUX_OSL
|
|
|
|
#include <typedefs.h>
|
|
#include <bcmendian.h>
|
|
#include <linuxver.h>
|
|
#include <linux_osl.h>
|
|
#include <bcmutils.h>
|
|
#include <linux/delay.h>
|
|
#ifdef mips
|
|
#include <asm/paccess.h>
|
|
#endif
|
|
#include <pcicfg.h>
|
|
|
|
#define PCI_CFG_RETRY 10
|
|
|
|
void*
|
|
osl_pktget(void *drv, uint len, bool send)
|
|
{
|
|
struct sk_buff *skb;
|
|
|
|
if ((skb = dev_alloc_skb(len)) == NULL)
|
|
return (NULL);
|
|
|
|
skb_put(skb, len);
|
|
|
|
/* ensure the cookie field is cleared */
|
|
PKTSETCOOKIE(skb, NULL);
|
|
|
|
return ((void*) skb);
|
|
}
|
|
|
|
void
|
|
osl_pktfree(void *p)
|
|
{
|
|
struct sk_buff *skb, *nskb;
|
|
|
|
skb = (struct sk_buff*) p;
|
|
|
|
/* perversion: we use skb->next to chain multi-skb packets */
|
|
while (skb) {
|
|
nskb = skb->next;
|
|
skb->next = NULL;
|
|
if (skb->destructor) {
|
|
/* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if destructor exists */
|
|
dev_kfree_skb_any(skb);
|
|
} else {
|
|
/* can free immediately (even in_irq()) if destructor does not exist */
|
|
dev_kfree_skb(skb);
|
|
}
|
|
skb = nskb;
|
|
}
|
|
}
|
|
|
|
uint32
|
|
osl_pci_read_config(void *loc, uint offset, uint size)
|
|
{
|
|
struct pci_dev *pdev;
|
|
uint val;
|
|
uint retry=PCI_CFG_RETRY;
|
|
|
|
/* only 4byte access supported */
|
|
ASSERT(size == 4);
|
|
|
|
pdev = (struct pci_dev*)loc;
|
|
do {
|
|
pci_read_config_dword(pdev, offset, &val);
|
|
if (val != 0xffffffff)
|
|
break;
|
|
} while (retry--);
|
|
|
|
|
|
return (val);
|
|
}
|
|
|
|
void
|
|
osl_pci_write_config(void *loc, uint offset, uint size, uint val)
|
|
{
|
|
struct pci_dev *pdev;
|
|
uint retry=PCI_CFG_RETRY;
|
|
|
|
/* only 4byte access supported */
|
|
ASSERT(size == 4);
|
|
|
|
pdev = (struct pci_dev*)loc;
|
|
|
|
do {
|
|
pci_write_config_dword(pdev, offset, val);
|
|
if (offset!=PCI_BAR0_WIN)
|
|
break;
|
|
if (osl_pci_read_config(loc,offset,size) == val)
|
|
break;
|
|
} while (retry--);
|
|
|
|
}
|
|
|
|
static void
|
|
osl_pcmcia_attr(void *osh, uint offset, char *buf, int size, bool write)
|
|
{
|
|
}
|
|
|
|
void
|
|
osl_pcmcia_read_attr(void *osh, uint offset, void *buf, int size)
|
|
{
|
|
osl_pcmcia_attr(osh, offset, (char *) buf, size, FALSE);
|
|
}
|
|
|
|
void
|
|
osl_pcmcia_write_attr(void *osh, uint offset, void *buf, int size)
|
|
{
|
|
osl_pcmcia_attr(osh, offset, (char *) buf, size, TRUE);
|
|
}
|
|
|
|
#if defined(BINOSL)
|
|
|
|
void
|
|
osl_assert(char *exp, char *file, int line)
|
|
{
|
|
char tempbuf[255];
|
|
|
|
sprintf(tempbuf, "assertion \"%s\" failed: file \"%s\", line %d\n", exp, file, line);
|
|
panic(tempbuf);
|
|
}
|
|
|
|
|
|
|
|
void*
|
|
osl_malloc(uint size)
|
|
{
|
|
return (kmalloc(size, GFP_ATOMIC));
|
|
}
|
|
|
|
void
|
|
osl_mfree(void *addr, uint size)
|
|
{
|
|
kfree(addr);
|
|
}
|
|
|
|
uint
|
|
osl_malloced(void)
|
|
{
|
|
#ifdef MODULE
|
|
return malloced;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
#endif /* defined(BCMDBG) || defined(BINOSL) */
|
|
|
|
/*
|
|
* BINOSL selects the slightly slower function-call-based binary compatible osl.
|
|
*/
|
|
#ifdef BINOSL
|
|
|
|
int
|
|
osl_printf(const char *format, ...)
|
|
{
|
|
va_list args;
|
|
char buf[1024];
|
|
int len;
|
|
|
|
/* sprintf into a local buffer because there *is* no "vprintk()".. */
|
|
va_start(args, format);
|
|
len = vsprintf(buf, format, args);
|
|
va_end(args);
|
|
|
|
if (len > sizeof (buf)) {
|
|
printk("osl_printf: buffer overrun\n");
|
|
return (0);
|
|
}
|
|
|
|
return (printk(buf));
|
|
}
|
|
|
|
int
|
|
osl_sprintf(char *buf, const char *format, ...)
|
|
{
|
|
va_list args;
|
|
int rc;
|
|
|
|
va_start(args, format);
|
|
rc = vsprintf(buf, format, args);
|
|
va_end(args);
|
|
return (rc);
|
|
}
|
|
|
|
int
|
|
osl_strcmp(const char *s1, const char *s2)
|
|
{
|
|
return (strcmp(s1, s2));
|
|
}
|
|
|
|
int
|
|
osl_strncmp(const char *s1, const char *s2, uint n)
|
|
{
|
|
return (strncmp(s1, s2, n));
|
|
}
|
|
|
|
int
|
|
osl_strlen(char *s)
|
|
{
|
|
return (strlen(s));
|
|
}
|
|
|
|
char*
|
|
osl_strcpy(char *d, const char *s)
|
|
{
|
|
return (strcpy(d, s));
|
|
}
|
|
|
|
char*
|
|
osl_strncpy(char *d, const char *s, uint n)
|
|
{
|
|
return (strncpy(d, s, n));
|
|
}
|
|
|
|
void
|
|
bcopy(const void *src, void *dst, int len)
|
|
{
|
|
memcpy(dst, src, len);
|
|
}
|
|
|
|
int
|
|
bcmp(const void *b1, const void *b2, int len)
|
|
{
|
|
return (memcmp(b1, b2, len));
|
|
}
|
|
|
|
void
|
|
bzero(void *b, int len)
|
|
{
|
|
memset(b, '\0', len);
|
|
}
|
|
|
|
uint32
|
|
osl_readl(volatile uint32 *r)
|
|
{
|
|
return (readl(r));
|
|
}
|
|
|
|
uint16
|
|
osl_readw(volatile uint16 *r)
|
|
{
|
|
return (readw(r));
|
|
}
|
|
|
|
uint8
|
|
osl_readb(volatile uint8 *r)
|
|
{
|
|
return (readb(r));
|
|
}
|
|
|
|
void
|
|
osl_writel(uint32 v, volatile uint32 *r)
|
|
{
|
|
writel(v, r);
|
|
}
|
|
|
|
void
|
|
osl_writew(uint16 v, volatile uint16 *r)
|
|
{
|
|
writew(v, r);
|
|
}
|
|
|
|
void
|
|
osl_writeb(uint8 v, volatile uint8 *r)
|
|
{
|
|
writeb(v, r);
|
|
}
|
|
|
|
void *
|
|
osl_uncached(void *va)
|
|
{
|
|
#ifdef mips
|
|
return ((void*)KSEG1ADDR(va));
|
|
#else
|
|
return ((void*)va);
|
|
#endif
|
|
}
|
|
|
|
uint
|
|
osl_getcycles(void)
|
|
{
|
|
uint cycles;
|
|
|
|
#if defined(mips)
|
|
cycles = read_c0_count() * 2;
|
|
#elif defined(__i386__)
|
|
rdtscl(cycles);
|
|
#else
|
|
cycles = 0;
|
|
#endif
|
|
return cycles;
|
|
}
|
|
|
|
void *
|
|
osl_reg_map(uint32 pa, uint size)
|
|
{
|
|
return (ioremap_nocache((unsigned long)pa, (unsigned long)size));
|
|
}
|
|
|
|
void
|
|
osl_reg_unmap(void *va)
|
|
{
|
|
iounmap(va);
|
|
}
|
|
|
|
int
|
|
osl_busprobe(uint32 *val, uint32 addr)
|
|
{
|
|
#ifdef mips
|
|
return get_dbe(*val, (uint32*)addr);
|
|
#else
|
|
*val = readl(addr);
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
void*
|
|
osl_dma_alloc_consistent(void *dev, uint size, ulong *pap)
|
|
{
|
|
return (pci_alloc_consistent((struct pci_dev*)dev, size, (dma_addr_t*)pap));
|
|
}
|
|
|
|
void
|
|
osl_dma_free_consistent(void *dev, void *va, uint size, ulong pa)
|
|
{
|
|
pci_free_consistent((struct pci_dev*)dev, size, va, (dma_addr_t)pa);
|
|
}
|
|
|
|
uint
|
|
osl_dma_map(void *dev, void *va, uint size, int direction)
|
|
{
|
|
int dir;
|
|
|
|
dir = (direction == DMA_TX)? PCI_DMA_TODEVICE: PCI_DMA_FROMDEVICE;
|
|
return (pci_map_single(dev, va, size, dir));
|
|
}
|
|
|
|
void
|
|
osl_dma_unmap(void *dev, uint pa, uint size, int direction)
|
|
{
|
|
int dir;
|
|
|
|
dir = (direction == DMA_TX)? PCI_DMA_TODEVICE: PCI_DMA_FROMDEVICE;
|
|
pci_unmap_single(dev, (uint32)pa, size, dir);
|
|
}
|
|
|
|
void
|
|
osl_delay(uint usec)
|
|
{
|
|
udelay(usec);
|
|
}
|
|
|
|
uchar*
|
|
osl_pktdata(void *drv, void *skb)
|
|
{
|
|
return (((struct sk_buff*)skb)->data);
|
|
}
|
|
|
|
uint
|
|
osl_pktlen(void *drv, void *skb)
|
|
{
|
|
return (((struct sk_buff*)skb)->len);
|
|
}
|
|
|
|
uint
|
|
osl_pktheadroom(void *drv, void *skb)
|
|
{
|
|
return (uint) skb_headroom((struct sk_buff *) skb);
|
|
}
|
|
|
|
uint
|
|
osl_pkttailroom(void *drv, void *skb)
|
|
{
|
|
return (uint) skb_tailroom((struct sk_buff *) skb);
|
|
}
|
|
|
|
void*
|
|
osl_pktnext(void *drv, void *skb)
|
|
{
|
|
return (((struct sk_buff*)skb)->next);
|
|
}
|
|
|
|
void
|
|
osl_pktsetnext(void *skb, void *x)
|
|
{
|
|
((struct sk_buff*)skb)->next = (struct sk_buff*)x;
|
|
}
|
|
|
|
void
|
|
osl_pktsetlen(void *drv, void *skb, uint len)
|
|
{
|
|
__skb_trim((struct sk_buff*)skb, len);
|
|
}
|
|
|
|
uchar*
|
|
osl_pktpush(void *drv, void *skb, int bytes)
|
|
{
|
|
return (skb_push((struct sk_buff*)skb, bytes));
|
|
}
|
|
|
|
uchar*
|
|
osl_pktpull(void *drv, void *skb, int bytes)
|
|
{
|
|
return (skb_pull((struct sk_buff*)skb, bytes));
|
|
}
|
|
|
|
void*
|
|
osl_pktdup(void *drv, void *skb)
|
|
{
|
|
return (skb_clone((struct sk_buff*)skb, GFP_ATOMIC));
|
|
}
|
|
|
|
void*
|
|
osl_pktcookie(void *skb)
|
|
{
|
|
return ((void*)((struct sk_buff*)skb)->csum);
|
|
}
|
|
|
|
void
|
|
osl_pktsetcookie(void *skb, void *x)
|
|
{
|
|
((struct sk_buff*)skb)->csum = (uint)x;
|
|
}
|
|
|
|
void*
|
|
osl_pktlink(void *skb)
|
|
{
|
|
return (((struct sk_buff*)skb)->prev);
|
|
}
|
|
|
|
void
|
|
osl_pktsetlink(void *skb, void *x)
|
|
{
|
|
((struct sk_buff*)skb)->prev = (struct sk_buff*)x;
|
|
}
|
|
|
|
uint
|
|
osl_pktprio(void *skb)
|
|
{
|
|
return (((struct sk_buff*)skb)->priority);
|
|
}
|
|
|
|
void
|
|
osl_pktsetprio(void *skb, uint x)
|
|
{
|
|
((struct sk_buff*)skb)->priority = x;
|
|
}
|
|
|
|
#endif /* BINOSL */
|