#include <asm/addrspace.h>
#include <asm/jmr3927/jmr3927.h>
-#include <asm/debug.h>
static inline int mkaddr(unsigned char bus, unsigned char dev_fn,
unsigned char where)
static int jmr3927_pci_read_config(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 * val)
{
- int ret, busno;
+ int ret;
- /* check if the bus is top-level */
- if (bus->parent != NULL)
- busno = bus->number;
-
- ret = mkaddr(busno, devfn, where);
+ ret = mkaddr(bus->number, devfn, where);
if (ret)
return ret;
static int jmr3927_pci_write_config(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 val)
{
- int ret, busno;
-
- /* check if the bus is top-level */
- if (bus->parent != NULL)
- bus = bus->number;
- else
- bus = 0;
+ int ret;
- ret = mkaddr(busno, devfn, where);
+ ret = mkaddr(bus->number, devfn, where);
if (ret)
return ret;
break;
case 2:
- *(volatile u16 *) (unsigned longulong) & tx3927_pcicptr->icd | (where & 2)) =
+ *(volatile u16 *) ((unsigned long) & tx3927_pcicptr->icd | (where & 2)) =
cpu_to_le16(val);
break;
}
struct pci_ops jmr3927_pci_ops = {
- jmr3927_pcibios_read_config,
- jmr3927_pcibios_write_config,
+ jmr3927_pci_read_config,
+ jmr3927_pci_write_config,
};
-
-
-#ifndef JMR3927_INIT_INDIRECT_PCI
-
-inline unsigned long tc_readl(volatile __u32 * addr)
-{
- return readl(addr);
-}
-
-inline void tc_writel(unsigned long data, volatile __u32 * addr)
-{
- writel(data, addr);
-}
-#else
-
-unsigned long tc_readl(volatile __u32 * addr)
-{
- unsigned long val;
-
- addr = PHYSADDR(addr);
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
- (unsigned long) addr;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
- (PCI_IPCIBE_ICMD_MEMREAD << PCI_IPCIBE_ICMD_SHIFT) |
- PCI_IPCIBE_IBE_LONG;
- while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
- val =
- le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr->
- ipcidata);
- /* clear by setting */
- tx3927_pcicptr->istat |= PCI_ISTAT_IDICC;
- return val;
-}
-
-void tc_writel(unsigned long data, volatile __u32 * addr)
-{
- addr = PHYSADDR(addr);
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata =
- cpu_to_le32(data);
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
- (unsigned long) addr;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
- (PCI_IPCIBE_ICMD_MEMWRITE << PCI_IPCIBE_ICMD_SHIFT) |
- PCI_IPCIBE_IBE_LONG;
- while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
- /* clear by setting */
- tx3927_pcicptr->istat |= PCI_ISTAT_IDICC;
-}
-
-unsigned char tx_ioinb(unsigned char *addr)
-{
- unsigned long val;
- __u32 ioaddr;
- int offset;
- int byte;
-
- ioaddr = (unsigned long) addr;
- offset = ioaddr & 0x3;
- if (offset == 0)
- byte = 0x7;
- else if (offset == 1)
- byte = 0xb;
- else if (offset == 2)
- byte = 0xd;
- else if (offset == 3)
- byte = 0xe;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
- (unsigned long) ioaddr;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
- (PCI_IPCIBE_ICMD_IOREAD << PCI_IPCIBE_ICMD_SHIFT) | byte;
- while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
- val =
- le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr->
- ipcidata);
- val = val & 0xff;
- /* clear by setting */
- tx3927_pcicptr->istat |= PCI_ISTAT_IDICC;
- return val;
-}
-
-void tx_iooutb(unsigned long data, unsigned char *addr)
-{
- __u32 ioaddr;
- int offset;
- int byte;
-
- data = data | (data << 8) | (data << 16) | (data << 24);
- ioaddr = (unsigned long) addr;
- offset = ioaddr & 0x3;
- if (offset == 0)
- byte = 0x7;
- else if (offset == 1)
- byte = 0xb;
- else if (offset == 2)
- byte = 0xd;
- else if (offset == 3)
- byte = 0xe;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata = data;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
- (unsigned long) ioaddr;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
- (PCI_IPCIBE_ICMD_IOWRITE << PCI_IPCIBE_ICMD_SHIFT) | byte;
- while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
- /* clear by setting */
- tx3927_pcicptr->istat |= PCI_ISTAT_IDICC;
-}
-
-unsigned short tx_ioinw(unsigned short *addr)
-{
- unsigned long val;
- __u32 ioaddr;
- int offset;
- int byte;
-
- ioaddr = (unsigned long) addr;
- offset = ioaddr & 0x3;
- if (offset == 0)
- byte = 0x3;
- else if (offset == 2)
- byte = 0xc;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
- (unsigned long) ioaddr;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
- (PCI_IPCIBE_ICMD_IOREAD << PCI_IPCIBE_ICMD_SHIFT) | byte;
- while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
- val =
- le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr->
- ipcidata);
- val = val & 0xffff;
- /* clear by setting */
- tx3927_pcicptr->istat |= PCI_ISTAT_IDICC;
- return val;
-
-}
-
-void tx_iooutw(unsigned long data, unsigned short *addr)
-{
- __u32 ioaddr;
- int offset;
- int byte;
-
- data = data | (data << 16);
- ioaddr = (unsigned long) addr;
- offset = ioaddr & 0x3;
- if (offset == 0)
- byte = 0x3;
- else if (offset == 2)
- byte = 0xc;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata = data;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
- (unsigned long) ioaddr;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
- (PCI_IPCIBE_ICMD_IOWRITE << PCI_IPCIBE_ICMD_SHIFT) | byte;
- while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
- /* clear by setting */
- tx3927_pcicptr->istat |= PCI_ISTAT_IDICC;
-}
-
-unsigned long tx_ioinl(unsigned int *addr)
-{
- unsigned long val;
- __u32 ioaddr;
-
- ioaddr = (unsigned long) addr;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
- (unsigned long) ioaddr;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
- (PCI_IPCIBE_ICMD_IOREAD << PCI_IPCIBE_ICMD_SHIFT) |
- PCI_IPCIBE_IBE_LONG;
- while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
- val =
- le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr->
- ipcidata);
- /* clear by setting */
- tx3927_pcicptr->istat |= PCI_ISTAT_IDICC;
- return val;
-}
-
-void tx_iooutl(unsigned long data, unsigned int *addr)
-{
- __u32 ioaddr;
-
- ioaddr = (unsigned long) addr;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata =
- cpu_to_le32(data);
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
- (unsigned long) ioaddr;
- *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
- (PCI_IPCIBE_ICMD_IOWRITE << PCI_IPCIBE_ICMD_SHIFT) |
- PCI_IPCIBE_IBE_LONG;
- while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
- /* clear by setting */
- tx3927_pcicptr->istat |= PCI_ISTAT_IDICC;
-}
-
-void tx_insbyte(unsigned char *addr, void *buffer, unsigned int count)
-{
- unsigned char *ptr = (unsigned char *) buffer;
-
- while (count--) {
- *ptr++ = tx_ioinb(addr);
- }
-}
-
-void tx_insword(unsigned short *addr, void *buffer, unsigned int count)
-{
- unsigned short *ptr = (unsigned short *) buffer;
-
- while (count--) {
- *ptr++ = tx_ioinw(addr);
- }
-}
-
-void tx_inslong(unsigned int *addr, void *buffer, unsigned int count)
-{
- unsigned long *ptr = (unsigned long *) buffer;
-
- while (count--) {
- *ptr++ = tx_ioinl(addr);
- }
-}
-
-void tx_outsbyte(unsigned char *addr, void *buffer, unsigned int count)
-{
- unsigned char *ptr = (unsigned char *) buffer;
-
- while (count--) {
- tx_iooutb(*ptr++, addr);
- }
-}
-
-void tx_outsword(unsigned short *addr, void *buffer, unsigned int count)
-{
- unsigned short *ptr = (unsigned short *) buffer;
-
- while (count--) {
- tx_iooutw(*ptr++, addr);
- }
-}
-
-void tx_outslong(unsigned int *addr, void *buffer, unsigned int count)
-{
- unsigned long *ptr = (unsigned long *) buffer;
-
- while (count--) {
- tx_iooutl(*ptr++, addr);
- }
-}
-#endif
projects / linux-2.6-omap-h63xx.git / blobdiff