UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

[POWERPC] Add correct interrupt property for pegasos ide 

The firmware assigns irq 20/21 to the VIA IDE device on Pegasos.
But the required interrupt is 14/15.
Maybe someone confused decimal vs. hexadecimal values.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Olaf Hering 2007-04-04 18:20:04 +02:00 committed by Paul Mackerras
parent 9c1a2bae0c
commit e48059225c
2 changed files with 32 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
arch/powerpc/kernel/prom_init.c
View File

@ -2035,39 +2035,50 @@ static void __init fixup_device_tree_maple(void)
#endif
#ifdef CONFIG_PPC_CHRP
/* Pegasos and BriQ lacks the "ranges" property in the isa node */
/*
* Pegasos and BriQ lacks the "ranges" property in the isa node
* Pegasos needs decimal IRQ 14/15, not hexadecimal
*/
static void __init fixup_device_tree_chrp(void)
{
phandle isa;
u32 isa_ranges[6];
phandle ph;
u32 prop[6];
u32 rloc = 0x01006000; /* IO space; PCI device = 12 */
char *name;
int rc;
name = "/pci@80000000/isa@c";
isa = call_prom("finddevice", 1, 1, ADDR(name));
if (!PHANDLE_VALID(isa)) {
ph = call_prom("finddevice", 1, 1, ADDR(name));
if (!PHANDLE_VALID(ph)) {
name = "/pci@ff500000/isa@6";
isa = call_prom("finddevice", 1, 1, ADDR(name));
ph = call_prom("finddevice", 1, 1, ADDR(name));
rloc = 0x01003000; /* IO space; PCI device = 6 */
}
if (!PHANDLE_VALID(isa))
return;
rc = prom_getproplen(isa, "ranges");
if (rc != 0 && rc != PROM_ERROR)
return;
if (PHANDLE_VALID(ph)) {
rc = prom_getproplen(ph, "ranges");
if (rc == 0 || rc == PROM_ERROR) {
prom_printf("Fixing up missing ISA range on Pegasos...\n");
isa_ranges[0] = 0x1;
isa_ranges[1] = 0x0;
isa_ranges[2] = rloc;
isa_ranges[3] = 0x0;
isa_ranges[4] = 0x0;
isa_ranges[5] = 0x00010000;
prom_setprop(isa, name, "ranges",
isa_ranges, sizeof(isa_ranges));
prop[0] = 0x1;
prop[1] = 0x0;
prop[2] = rloc;
prop[3] = 0x0;
prop[4] = 0x0;
prop[5] = 0x00010000;
prom_setprop(ph, name, "ranges", prop, sizeof(prop));
}
}
name = "/pci@80000000/ide@C,1";
ph = call_prom("finddevice", 1, 1, ADDR(name));
if (PHANDLE_VALID(ph)) {
prom_printf("Fixing up IDE interrupt on Pegasos...\n");
prop[0] = 14;
prop[1] = 0x0;
prop[2] = 15;
prop[3] = 0x0;
prom_setprop(ph, name, "interrupts", prop, 4*sizeof(u32));
}
}
#else
#define fixup_device_tree_chrp()

11
drivers/ide/pci/via82cxxx.c
View File

@ -35,10 +35,6 @@
#include <linux/ide.h>
#include <asm/io.h>
#ifdef CONFIG_PPC_CHRP
#include <asm/processor.h>
#endif
#include "ide-timing.h"
#define DISPLAY_VIA_TIMINGS
@ -436,13 +432,6 @@ static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
hwif->tuneproc = &via82cxxx_tune_drive;
hwif->speedproc = &via_set_drive;
#ifdef CONFIG_PPC_CHRP
if(machine_is(chrp) && _chrp_type == _CHRP_Pegasos) {
hwif->irq = hwif->channel ? 15 : 14;
}
#endif
for (i = 0; i < 2; i++) {
hwif->drives[i].io_32bit = 1;
hwif->drives[i].unmask = (vdev->via_config->flags & VIA_NO_UNMASK) ? 0 : 1;