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