aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sparc/kernel/pcic.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/kernel/pcic.c')
-rw-r--r--arch/sparc/kernel/pcic.c116
1 files changed, 7 insertions, 109 deletions
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 09f4fdd8d808..6cc78c213c01 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -36,6 +36,7 @@
36#include <asm/uaccess.h> 36#include <asm/uaccess.h>
37#include <asm/irq_regs.h> 37#include <asm/irq_regs.h>
38 38
39#include "kernel.h"
39#include "irq.h" 40#include "irq.h"
40 41
41/* 42/*
@@ -162,8 +163,8 @@ static int pcic0_up;
162static struct linux_pcic pcic0; 163static struct linux_pcic pcic0;
163 164
164void __iomem *pcic_regs; 165void __iomem *pcic_regs;
165volatile int pcic_speculative; 166static volatile int pcic_speculative;
166volatile int pcic_trapped; 167static volatile int pcic_trapped;
167 168
168/* forward */ 169/* forward */
169unsigned int pcic_build_device_irq(struct platform_device *op, 170unsigned int pcic_build_device_irq(struct platform_device *op,
@@ -329,7 +330,7 @@ int __init pcic_probe(void)
329 330
330 pcic->pcic_res_cfg_addr.name = "pcic_cfg_addr"; 331 pcic->pcic_res_cfg_addr.name = "pcic_cfg_addr";
331 if ((pcic->pcic_config_space_addr = 332 if ((pcic->pcic_config_space_addr =
332 ioremap(regs[2].phys_addr, regs[2].reg_size * 2)) == 0) { 333 ioremap(regs[2].phys_addr, regs[2].reg_size * 2)) == NULL) {
333 prom_printf("PCIC: Error, cannot map " 334 prom_printf("PCIC: Error, cannot map "
334 "PCI Configuration Space Address.\n"); 335 "PCI Configuration Space Address.\n");
335 prom_halt(); 336 prom_halt();
@@ -341,7 +342,7 @@ int __init pcic_probe(void)
341 */ 342 */
342 pcic->pcic_res_cfg_data.name = "pcic_cfg_data"; 343 pcic->pcic_res_cfg_data.name = "pcic_cfg_data";
343 if ((pcic->pcic_config_space_data = 344 if ((pcic->pcic_config_space_data =
344 ioremap(regs[3].phys_addr, regs[3].reg_size * 2)) == 0) { 345 ioremap(regs[3].phys_addr, regs[3].reg_size * 2)) == NULL) {
345 prom_printf("PCIC: Error, cannot map " 346 prom_printf("PCIC: Error, cannot map "
346 "PCI Configuration Space Data.\n"); 347 "PCI Configuration Space Data.\n");
347 prom_halt(); 348 prom_halt();
@@ -353,7 +354,6 @@ int __init pcic_probe(void)
353 strcpy(pbm->prom_name, namebuf); 354 strcpy(pbm->prom_name, namebuf);
354 355
355 { 356 {
356 extern volatile int t_nmi[4];
357 extern int pcic_nmi_trap_patch[4]; 357 extern int pcic_nmi_trap_patch[4];
358 358
359 t_nmi[0] = pcic_nmi_trap_patch[0]; 359 t_nmi[0] = pcic_nmi_trap_patch[0];
@@ -536,7 +536,7 @@ pcic_fill_irq(struct linux_pcic *pcic, struct pci_dev *dev, int node)
536 prom_getstring(node, "name", namebuf, sizeof(namebuf)); 536 prom_getstring(node, "name", namebuf, sizeof(namebuf));
537 } 537 }
538 538
539 if ((p = pcic->pcic_imap) == 0) { 539 if ((p = pcic->pcic_imap) == NULL) {
540 dev->irq = 0; 540 dev->irq = 0;
541 return; 541 return;
542 } 542 }
@@ -670,30 +670,6 @@ void pcibios_fixup_bus(struct pci_bus *bus)
670 } 670 }
671} 671}
672 672
673/*
674 * pcic_pin_to_irq() is exported to bus probing code
675 */
676unsigned int
677pcic_pin_to_irq(unsigned int pin, const char *name)
678{
679 struct linux_pcic *pcic = &pcic0;
680 unsigned int irq;
681 unsigned int ivec;
682
683 if (pin < 4) {
684 ivec = readw(pcic->pcic_regs+PCI_INT_SELECT_LO);
685 irq = ivec >> (pin << 2) & 0xF;
686 } else if (pin < 8) {
687 ivec = readw(pcic->pcic_regs+PCI_INT_SELECT_HI);
688 irq = ivec >> ((pin-4) << 2) & 0xF;
689 } else { /* Corrupted map */
690 printk("PCIC: BAD PIN %d FOR %s\n", pin, name);
691 for (;;) {} /* XXX Cannot panic properly in case of PROLL */
692 }
693/* P3 */ /* printk("PCIC: dev %s pin %d ivec 0x%x irq %x\n", name, pin, ivec, irq); */
694 return irq;
695}
696
697/* Makes compiler happy */ 673/* Makes compiler happy */
698static volatile int pcic_timer_dummy; 674static volatile int pcic_timer_dummy;
699 675
@@ -783,7 +759,7 @@ int pcibios_enable_device(struct pci_dev *pdev, int mask)
783void pcic_nmi(unsigned int pend, struct pt_regs *regs) 759void pcic_nmi(unsigned int pend, struct pt_regs *regs)
784{ 760{
785 761
786 pend = flip_dword(pend); 762 pend = swab32(pend);
787 763
788 if (!pcic_speculative || (pend & PCI_SYS_INT_PENDING_PIO) == 0) { 764 if (!pcic_speculative || (pend & PCI_SYS_INT_PENDING_PIO) == 0) {
789 /* 765 /*
@@ -875,82 +851,4 @@ void __init sun4m_pci_init_IRQ(void)
875 sparc_config.load_profile_irq = pcic_load_profile_irq; 851 sparc_config.load_profile_irq = pcic_load_profile_irq;
876} 852}
877 853
878/*
879 * This probably belongs here rather than ioport.c because
880 * we do not want this crud linked into SBus kernels.
881 * Also, think for a moment about likes of floppy.c that
882 * include architecture specific parts. They may want to redefine ins/outs.
883 *
884 * We do not use horrible macros here because we want to
885 * advance pointer by sizeof(size).
886 */
887void outsb(unsigned long addr, const void *src, unsigned long count)
888{
889 while (count) {
890 count -= 1;
891 outb(*(const char *)src, addr);
892 src += 1;
893 /* addr += 1; */
894 }
895}
896EXPORT_SYMBOL(outsb);
897
898void outsw(unsigned long addr, const void *src, unsigned long count)
899{
900 while (count) {
901 count -= 2;
902 outw(*(const short *)src, addr);
903 src += 2;
904 /* addr += 2; */
905 }
906}
907EXPORT_SYMBOL(outsw);
908
909void outsl(unsigned long addr, const void *src, unsigned long count)
910{
911 while (count) {
912 count -= 4;
913 outl(*(const long *)src, addr);
914 src += 4;
915 /* addr += 4; */
916 }
917}
918EXPORT_SYMBOL(outsl);
919
920void insb(unsigned long addr, void *dst, unsigned long count)
921{
922 while (count) {
923 count -= 1;
924 *(unsigned char *)dst = inb(addr);
925 dst += 1;
926 /* addr += 1; */
927 }
928}
929EXPORT_SYMBOL(insb);
930
931void insw(unsigned long addr, void *dst, unsigned long count)
932{
933 while (count) {
934 count -= 2;
935 *(unsigned short *)dst = inw(addr);
936 dst += 2;
937 /* addr += 2; */
938 }
939}
940EXPORT_SYMBOL(insw);
941
942void insl(unsigned long addr, void *dst, unsigned long count)
943{
944 while (count) {
945 count -= 4;
946 /*
947 * XXX I am sure we are in for an unaligned trap here.
948 */
949 *(unsigned long *)dst = inl(addr);
950 dst += 4;
951 /* addr += 4; */
952 }
953}
954EXPORT_SYMBOL(insl);
955
956subsys_initcall(pcic_init); 854subsys_initcall(pcic_init);