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sparc64: Fix interrupt register calculations on Psycho and Sabre.
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Use the IMAP offset calculation for OBIO devices as documented in the
programmer's manual.  Which is "0x10000 + ((ino & 0x1f) << 3)"

Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller committed Sep 10, 2008
1 parent 2eb2f77 commit ebfb2c6
Showing 1 changed file with 6 additions and 98 deletions.
104 changes: 6 additions & 98 deletions arch/sparc64/kernel/prom.c
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Original file line number Diff line number Diff line change
Expand Up @@ -156,55 +156,11 @@ static unsigned long psycho_pcislot_imap_offset(unsigned long ino)
return PSYCHO_IMAP_B_SLOT0 + (slot * 8);
}

#define PSYCHO_IMAP_SCSI 0x1000UL
#define PSYCHO_IMAP_ETH 0x1008UL
#define PSYCHO_IMAP_BPP 0x1010UL
#define PSYCHO_IMAP_AU_REC 0x1018UL
#define PSYCHO_IMAP_AU_PLAY 0x1020UL
#define PSYCHO_IMAP_PFAIL 0x1028UL
#define PSYCHO_IMAP_KMS 0x1030UL
#define PSYCHO_IMAP_FLPY 0x1038UL
#define PSYCHO_IMAP_SHW 0x1040UL
#define PSYCHO_IMAP_KBD 0x1048UL
#define PSYCHO_IMAP_MS 0x1050UL
#define PSYCHO_IMAP_SER 0x1058UL
#define PSYCHO_IMAP_TIM0 0x1060UL
#define PSYCHO_IMAP_TIM1 0x1068UL
#define PSYCHO_IMAP_UE 0x1070UL
#define PSYCHO_IMAP_CE 0x1078UL
#define PSYCHO_IMAP_A_ERR 0x1080UL
#define PSYCHO_IMAP_B_ERR 0x1088UL
#define PSYCHO_IMAP_PMGMT 0x1090UL
#define PSYCHO_IMAP_GFX 0x1098UL
#define PSYCHO_IMAP_EUPA 0x10a0UL

static unsigned long __psycho_onboard_imap_off[] = {
/*0x20*/ PSYCHO_IMAP_SCSI,
/*0x21*/ PSYCHO_IMAP_ETH,
/*0x22*/ PSYCHO_IMAP_BPP,
/*0x23*/ PSYCHO_IMAP_AU_REC,
/*0x24*/ PSYCHO_IMAP_AU_PLAY,
/*0x25*/ PSYCHO_IMAP_PFAIL,
/*0x26*/ PSYCHO_IMAP_KMS,
/*0x27*/ PSYCHO_IMAP_FLPY,
/*0x28*/ PSYCHO_IMAP_SHW,
/*0x29*/ PSYCHO_IMAP_KBD,
/*0x2a*/ PSYCHO_IMAP_MS,
/*0x2b*/ PSYCHO_IMAP_SER,
/*0x2c*/ PSYCHO_IMAP_TIM0,
/*0x2d*/ PSYCHO_IMAP_TIM1,
/*0x2e*/ PSYCHO_IMAP_UE,
/*0x2f*/ PSYCHO_IMAP_CE,
/*0x30*/ PSYCHO_IMAP_A_ERR,
/*0x31*/ PSYCHO_IMAP_B_ERR,
/*0x32*/ PSYCHO_IMAP_PMGMT,
/*0x33*/ PSYCHO_IMAP_GFX,
/*0x34*/ PSYCHO_IMAP_EUPA,
};
#define PSYCHO_OBIO_IMAP_BASE 0x1000UL

#define PSYCHO_ONBOARD_IRQ_BASE 0x20
#define PSYCHO_ONBOARD_IRQ_LAST 0x34
#define psycho_onboard_imap_offset(__ino) \
__psycho_onboard_imap_off[(__ino) - PSYCHO_ONBOARD_IRQ_BASE]
(PSYCHO_OBIO_IMAP_BASE + (((__ino) & 0x1f) << 3))

#define PSYCHO_ICLR_A_SLOT0 0x1400UL
#define PSYCHO_ICLR_SCSI 0x1800UL
Expand All @@ -228,10 +184,6 @@ static unsigned int psycho_irq_build(struct device_node *dp,
imap_off = psycho_pcislot_imap_offset(ino);
} else {
/* Onboard device */
if (ino > PSYCHO_ONBOARD_IRQ_LAST) {
prom_printf("psycho_irq_build: Wacky INO [%x]\n", ino);
prom_halt();
}
imap_off = psycho_onboard_imap_offset(ino);
}

Expand Down Expand Up @@ -318,23 +270,6 @@ static void sabre_wsync_handler(unsigned int ino, void *_arg1, void *_arg2)

#define SABRE_IMAP_A_SLOT0 0x0c00UL
#define SABRE_IMAP_B_SLOT0 0x0c20UL
#define SABRE_IMAP_SCSI 0x1000UL
#define SABRE_IMAP_ETH 0x1008UL
#define SABRE_IMAP_BPP 0x1010UL
#define SABRE_IMAP_AU_REC 0x1018UL
#define SABRE_IMAP_AU_PLAY 0x1020UL
#define SABRE_IMAP_PFAIL 0x1028UL
#define SABRE_IMAP_KMS 0x1030UL
#define SABRE_IMAP_FLPY 0x1038UL
#define SABRE_IMAP_SHW 0x1040UL
#define SABRE_IMAP_KBD 0x1048UL
#define SABRE_IMAP_MS 0x1050UL
#define SABRE_IMAP_SER 0x1058UL
#define SABRE_IMAP_UE 0x1070UL
#define SABRE_IMAP_CE 0x1078UL
#define SABRE_IMAP_PCIERR 0x1080UL
#define SABRE_IMAP_GFX 0x1098UL
#define SABRE_IMAP_EUPA 0x10a0UL
#define SABRE_ICLR_A_SLOT0 0x1400UL
#define SABRE_ICLR_B_SLOT0 0x1480UL
#define SABRE_ICLR_SCSI 0x1800UL
Expand Down Expand Up @@ -364,33 +299,10 @@ static unsigned long sabre_pcislot_imap_offset(unsigned long ino)
return SABRE_IMAP_B_SLOT0 + (slot * 8);
}

static unsigned long __sabre_onboard_imap_off[] = {
/*0x20*/ SABRE_IMAP_SCSI,
/*0x21*/ SABRE_IMAP_ETH,
/*0x22*/ SABRE_IMAP_BPP,
/*0x23*/ SABRE_IMAP_AU_REC,
/*0x24*/ SABRE_IMAP_AU_PLAY,
/*0x25*/ SABRE_IMAP_PFAIL,
/*0x26*/ SABRE_IMAP_KMS,
/*0x27*/ SABRE_IMAP_FLPY,
/*0x28*/ SABRE_IMAP_SHW,
/*0x29*/ SABRE_IMAP_KBD,
/*0x2a*/ SABRE_IMAP_MS,
/*0x2b*/ SABRE_IMAP_SER,
/*0x2c*/ 0 /* reserved */,
/*0x2d*/ 0 /* reserved */,
/*0x2e*/ SABRE_IMAP_UE,
/*0x2f*/ SABRE_IMAP_CE,
/*0x30*/ SABRE_IMAP_PCIERR,
/*0x31*/ 0 /* reserved */,
/*0x32*/ 0 /* reserved */,
/*0x33*/ SABRE_IMAP_GFX,
/*0x34*/ SABRE_IMAP_EUPA,
};
#define SABRE_ONBOARD_IRQ_BASE 0x20
#define SABRE_ONBOARD_IRQ_LAST 0x30
#define SABRE_OBIO_IMAP_BASE 0x1000UL
#define SABRE_ONBOARD_IRQ_BASE 0x20
#define sabre_onboard_imap_offset(__ino) \
__sabre_onboard_imap_off[(__ino) - SABRE_ONBOARD_IRQ_BASE]
(SABRE_OBIO_IMAP_BASE + (((__ino) & 0x1f) << 3))

#define sabre_iclr_offset(ino) \
((ino & 0x20) ? (SABRE_ICLR_SCSI + (((ino) & 0x1f) << 3)) : \
Expand Down Expand Up @@ -453,10 +365,6 @@ static unsigned int sabre_irq_build(struct device_node *dp,
imap_off = sabre_pcislot_imap_offset(ino);
} else {
/* onboard device */
if (ino > SABRE_ONBOARD_IRQ_LAST) {
prom_printf("sabre_irq_build: Wacky INO [%x]\n", ino);
prom_halt();
}
imap_off = sabre_onboard_imap_offset(ino);
}

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