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[MIPS] JMR3927 cleanup

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* Kill dead codes
* Rearrange irq chip handlers
* Minimize defconfig

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto
2007-03-15 00:58:28 +09:00
committed by Ralf Baechle
parent 252161eccd
commit 2127435e57
15 changed files with 145 additions and 1227 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
arch/mips/pci/fixup-jmr3927.c
View File

@@ -29,7 +29,6 @@
*/
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/jmr3927/jmr3927.h>
@@ -81,14 +80,8 @@ int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
/* Check OnBoard Ethernet (IDSEL=A24, DevNu=13) */
if (dev->bus->parent == NULL &&
slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(24)) {
extern int jmr3927_ether1_irq;
/* check this irq line was reserved for ether1 */
if (jmr3927_ether1_irq != JMR3927_IRQ_ETHER0)
irq = JMR3927_IRQ_ETHER0;
else
irq = 0; /* disable */
}
slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(24))
irq = JMR3927_IRQ_ETHER0;
return irq;
}

232
arch/mips/pci/ops-tx3927.c
View File

@@ -40,7 +40,6 @@
#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)
@@ -130,234 +129,3 @@ struct pci_ops jmr3927_pci_ops = {
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;
*(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
(unsigned long) CPHYSADDR(addr);
*(volatile u32 *) (unsigned long) & 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 *) (unsigned long) & tx3927_pcicptr->
ipcidata);
/* clear by setting */
tx3927_pcicptr->istat |= PCI_ISTAT_IDICC;
return val;
}
void tc_writel(unsigned long data, volatile __u32 * addr)
{
*(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcidata =
cpu_to_le32(data);
*(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
(unsigned long) CPHYSADDR(addr);
*(volatile u32 *) (unsigned long) & 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;
byte = 0xf & ~(8 >> offset);
*(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
(unsigned long) ioaddr;
*(volatile u32 *) (unsigned long) & 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 *) (unsigned long) & 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;
byte = 0xf & ~(8 >> offset);
*(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcidata = data;
*(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
(unsigned long) ioaddr;
*(volatile u32 *) (unsigned long) & 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 & 0x2;
byte = 3 << offset;
*(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
(unsigned long) ioaddr;
*(volatile u32 *) (unsigned long) & 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 *) (unsigned long) & 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 & 0x2;
byte = 3 << offset;
*(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcidata = data;
*(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
(unsigned long) ioaddr;
*(volatile u32 *) (unsigned long) & 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 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
(unsigned long) ioaddr;
*(volatile u32 *) (unsigned long) & 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 *) (unsigned long) & 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 *) (unsigned long) & tx3927_pcicptr->ipcidata =
cpu_to_le32(data);
*(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
(unsigned long) ioaddr;
*(volatile u32 *) (unsigned long) & 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