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Commit d1dc17aa authored by David S. Miller's avatar David S. Miller
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[SPARC64]: Add JIO/Tomatillo PCI controller support.

parent 8eb8462c
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Showing with 535 additions and 289 deletions
arch/sparc64/kernel/pci.c
View file @ d1dc17aa
...@@ -205,6 +205,7 @@ void pci_config_write32(u32 *addr, u32 val) ...@@ -205,6 +205,7 @@ void pci_config_write32(u32 *addr, u32 val)
extern void sabre_init(int, char *); extern void sabre_init(int, char *);
extern void psycho_init(int, char *); extern void psycho_init(int, char *);
extern void schizo_init(int, char *); extern void schizo_init(int, char *);
extern void tomatillo_init(int, char *);
static struct { static struct {
char *model_name; char *model_name;
...@@ -216,7 +217,9 @@ static struct { ...@@ -216,7 +217,9 @@ static struct {
{ "SUNW,psycho", psycho_init }, { "SUNW,psycho", psycho_init },
{ "pci108e,8000", psycho_init }, { "pci108e,8000", psycho_init },
{ "SUNW,schizo", schizo_init }, { "SUNW,schizo", schizo_init },
{ "pci108e,8001", schizo_init } { "pci108e,8001", schizo_init },
{ "SUNW,tomatillo", tomatillo_init },
{ "pci108e,a801", tomatillo_init },
}; };
#define PCI_NUM_CONTROLLER_TYPES (sizeof(pci_controller_table) / \ #define PCI_NUM_CONTROLLER_TYPES (sizeof(pci_controller_table) / \
sizeof(pci_controller_table[0])) sizeof(pci_controller_table[0]))
......
arch/sparc64/kernel/pci_schizo.c
View file @ d1dc17aa
/* $Id: pci_schizo.c,v 1.24 2002/01/23 11:27:32 davem Exp $ /* $Id: pci_schizo.c,v 1.24 2002/01/23 11:27:32 davem Exp $
* pci_schizo.c: SCHIZO specific PCI controller support. * pci_schizo.c: SCHIZO/TOMATILLO specific PCI controller support.
* *
* Copyright (C) 2001 David S. Miller (davem@redhat.com) * Copyright (C) 2001, 2002, 2003 David S. Miller (davem@redhat.com)
*/ */
#include <linux/kernel.h> #include <linux/kernel.h>
...@@ -424,7 +424,6 @@ static void __schizo_check_stc_error_pbm(struct pci_pbm_info *pbm, ...@@ -424,7 +424,6 @@ static void __schizo_check_stc_error_pbm(struct pci_pbm_info *pbm,
unsigned long regbase = p->controller_regs; unsigned long regbase = p->controller_regs;
unsigned long err_base, tag_base, line_base; unsigned long err_base, tag_base, line_base;
u64 control; u64 control;
char pbm_name = (pbm == &p->pbm_A ? 'A' : 'B');
int i; int i;
if (pbm == &p->pbm_A) if (pbm == &p->pbm_A)
...@@ -477,8 +476,8 @@ static void __schizo_check_stc_error_pbm(struct pci_pbm_info *pbm, ...@@ -477,8 +476,8 @@ static void __schizo_check_stc_error_pbm(struct pci_pbm_info *pbm,
unsigned long errval = stc_error_buf[j]; unsigned long errval = stc_error_buf[j];
if (errval != 0) { if (errval != 0) {
saw_error++; saw_error++;
printk("SCHIZO%d: PBM-%c STC_ERR(%d)[wr(%d)rd(%d)]\n", printk("%s: STC_ERR(%d)[wr(%d)rd(%d)]\n",
p->index, pbm_name, pbm->name,
j, j,
(errval & SCHIZO_STCERR_WRITE) ? 1 : 0, (errval & SCHIZO_STCERR_WRITE) ? 1 : 0,
(errval & SCHIZO_STCERR_READ) ? 1 : 0); (errval & SCHIZO_STCERR_READ) ? 1 : 0);
...@@ -487,8 +486,8 @@ static void __schizo_check_stc_error_pbm(struct pci_pbm_info *pbm, ...@@ -487,8 +486,8 @@ static void __schizo_check_stc_error_pbm(struct pci_pbm_info *pbm,
if (saw_error != 0) { if (saw_error != 0) {
unsigned long tagval = stc_tag_buf[i]; unsigned long tagval = stc_tag_buf[i];
unsigned long lineval = stc_line_buf[i]; unsigned long lineval = stc_line_buf[i];
printk("SCHIZO%d: PBM-%c STC_TAG(%d)[PA(%016lx)VA(%08lx)V(%d)R(%d)]\n", printk("%s: STC_TAG(%d)[PA(%016lx)VA(%08lx)V(%d)R(%d)]\n",
p->index, pbm_name, pbm->name,
i, i,
((tagval & SCHIZO_STCTAG_PPN) >> 19UL), ((tagval & SCHIZO_STCTAG_PPN) >> 19UL),
(tagval & SCHIZO_STCTAG_VPN), (tagval & SCHIZO_STCTAG_VPN),
...@@ -496,9 +495,9 @@ static void __schizo_check_stc_error_pbm(struct pci_pbm_info *pbm, ...@@ -496,9 +495,9 @@ static void __schizo_check_stc_error_pbm(struct pci_pbm_info *pbm,
((tagval & SCHIZO_STCTAG_READ) ? 1 : 0)); ((tagval & SCHIZO_STCTAG_READ) ? 1 : 0));
/* XXX Should spit out per-bank error information... -DaveM */ /* XXX Should spit out per-bank error information... -DaveM */
printk("SCHIZO%d: PBM-%c STC_LINE(%d)[LIDX(%lx)SP(%lx)LADDR(%lx)EP(%lx)" printk("%s: STC_LINE(%d)[LIDX(%lx)SP(%lx)LADDR(%lx)EP(%lx)"
"V(%d)FOFN(%d)]\n", "V(%d)FOFN(%d)]\n",
p->index, pbm_name, pbm->name,
i, i,
((lineval & SCHIZO_STCLINE_LINDX) >> 23UL), ((lineval & SCHIZO_STCLINE_LINDX) >> 23UL),
((lineval & SCHIZO_STCLINE_SPTR) >> 13UL), ((lineval & SCHIZO_STCLINE_SPTR) >> 13UL),
...@@ -540,7 +539,6 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm, ...@@ -540,7 +539,6 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm,
unsigned long iommu_data[16]; unsigned long iommu_data[16];
unsigned long flags; unsigned long flags;
u64 control; u64 control;
char pbm_name = (pbm == &p->pbm_A ? 'A' : 'B');
int i; int i;
spin_lock_irqsave(&iommu->lock, flags); spin_lock_irqsave(&iommu->lock, flags);
...@@ -568,8 +566,8 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm, ...@@ -568,8 +566,8 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm,
type_string = "ECC Error"; type_string = "ECC Error";
break; break;
}; };
printk("SCHIZO%d: PBM-%c IOMMU Error, type[%s]\n", printk("%s: IOMMU Error, type[%s]\n",
p->index, pbm_name, type_string); pbm->name, type_string);
/* Put the IOMMU into diagnostic mode and probe /* Put the IOMMU into diagnostic mode and probe
* it's TLB for entries with error status. * it's TLB for entries with error status.
...@@ -627,50 +625,53 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm, ...@@ -627,50 +625,53 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm,
type_string = "ECC Error"; type_string = "ECC Error";
break; break;
}; };
printk("SCHIZO%d: PBM-%c IOMMU TAG(%d)[error(%s) ctx(%x) wr(%d) str(%d) " printk("%s: IOMMU TAG(%d)[error(%s) ctx(%x) wr(%d) str(%d) "
"sz(%dK) vpg(%08lx)]\n", "sz(%dK) vpg(%08lx)]\n",
p->index, pbm_name, i, type_string, pbm->name, i, type_string,
(int)((tag & SCHIZO_IOMMU_TAG_CTXT) >> 25UL), (int)((tag & SCHIZO_IOMMU_TAG_CTXT) >> 25UL),
((tag & SCHIZO_IOMMU_TAG_WRITE) ? 1 : 0), ((tag & SCHIZO_IOMMU_TAG_WRITE) ? 1 : 0),
((tag & SCHIZO_IOMMU_TAG_STREAM) ? 1 : 0), ((tag & SCHIZO_IOMMU_TAG_STREAM) ? 1 : 0),
((tag & SCHIZO_IOMMU_TAG_SIZE) ? 64 : 8), ((tag & SCHIZO_IOMMU_TAG_SIZE) ? 64 : 8),
(tag & SCHIZO_IOMMU_TAG_VPAGE) << IOMMU_PAGE_SHIFT); (tag & SCHIZO_IOMMU_TAG_VPAGE) << IOMMU_PAGE_SHIFT);
printk("SCHIZO%d: PBM-%c IOMMU DATA(%d)[valid(%d) cache(%d) ppg(%016lx)]\n", printk("%s: IOMMU DATA(%d)[valid(%d) cache(%d) ppg(%016lx)]\n",
p->index, pbm_name, i, pbm->name, i,
((data & SCHIZO_IOMMU_DATA_VALID) ? 1 : 0), ((data & SCHIZO_IOMMU_DATA_VALID) ? 1 : 0),
((data & SCHIZO_IOMMU_DATA_CACHE) ? 1 : 0), ((data & SCHIZO_IOMMU_DATA_CACHE) ? 1 : 0),
(data & SCHIZO_IOMMU_DATA_PPAGE) << IOMMU_PAGE_SHIFT); (data & SCHIZO_IOMMU_DATA_PPAGE) << IOMMU_PAGE_SHIFT);
} }
} }
__schizo_check_stc_error_pbm(pbm, type); if (pbm->stc.strbuf_enabled)
__schizo_check_stc_error_pbm(pbm, type);
spin_unlock_irqrestore(&iommu->lock, flags); spin_unlock_irqrestore(&iommu->lock, flags);
} }
static void schizo_check_iommu_error(struct pci_controller_info *p, static void schizo_check_iommu_error(struct pci_controller_info *p,
enum schizo_error_type type) enum schizo_error_type type)
{ {
schizo_check_iommu_error_pbm(&p->pbm_A, type); if (p->pbm_A.prom_node)
schizo_check_iommu_error_pbm(&p->pbm_B, type); schizo_check_iommu_error_pbm(&p->pbm_A, type);
if (p->pbm_B.prom_node)
schizo_check_iommu_error_pbm(&p->pbm_B, type);
} }
/* Uncorrectable ECC error status gathering. */ /* Uncorrectable ECC error status gathering. */
#define SCHIZO_UE_AFSR 0x10030UL #define SCHIZO_UE_AFSR 0x10030UL
#define SCHIZO_UE_AFAR 0x10038UL #define SCHIZO_UE_AFAR 0x10038UL
#define SCHIZO_UEAFSR_PPIO 0x8000000000000000UL #define SCHIZO_UEAFSR_PPIO 0x8000000000000000UL /* Safari */
#define SCHIZO_UEAFSR_PDRD 0x4000000000000000UL #define SCHIZO_UEAFSR_PDRD 0x4000000000000000UL /* Safari/Tomatillo */
#define SCHIZO_UEAFSR_PDWR 0x2000000000000000UL #define SCHIZO_UEAFSR_PDWR 0x2000000000000000UL /* Safari */
#define SCHIZO_UEAFSR_SPIO 0x1000000000000000UL #define SCHIZO_UEAFSR_SPIO 0x1000000000000000UL /* Safari */
#define SCHIZO_UEAFSR_SDMA 0x0800000000000000UL #define SCHIZO_UEAFSR_SDMA 0x0800000000000000UL /* Safari/Tomatillo */
#define SCHIZO_UEAFSR_ERRPNDG 0x0300000000000000UL #define SCHIZO_UEAFSR_ERRPNDG 0x0300000000000000UL /* Safari */
#define SCHIZO_UEAFSR_BMSK 0x000003ff00000000UL #define SCHIZO_UEAFSR_BMSK 0x000003ff00000000UL /* Safari */
#define SCHIZO_UEAFSR_QOFF 0x00000000c0000000UL #define SCHIZO_UEAFSR_QOFF 0x00000000c0000000UL /* Safari/Tomatillo */
#define SCHIZO_UEAFSR_AID 0x000000001f000000UL #define SCHIZO_UEAFSR_AID 0x000000001f000000UL /* Safari/Tomatillo */
#define SCHIZO_UEAFSR_PARTIAL 0x0000000000800000UL #define SCHIZO_UEAFSR_PARTIAL 0x0000000000800000UL /* Safari */
#define SCHIZO_UEAFSR_OWNEDIN 0x0000000000400000UL #define SCHIZO_UEAFSR_OWNEDIN 0x0000000000400000UL /* Safari */
#define SCHIZO_UEAFSR_MTAGSYND 0x00000000000f0000UL #define SCHIZO_UEAFSR_MTAGSYND 0x00000000000f0000UL /* Safari */
#define SCHIZO_UEAFSR_MTAG 0x000000000000e000UL #define SCHIZO_UEAFSR_MTAG 0x000000000000e000UL /* Safari */
#define SCHIZO_UEAFSR_ECCSYND 0x00000000000001ffUL #define SCHIZO_UEAFSR_ECCSYND 0x00000000000001ffUL /* Safari */
static irqreturn_t schizo_ue_intr(int irq, void *dev_id, struct pt_regs *regs) static irqreturn_t schizo_ue_intr(int irq, void *dev_id, struct pt_regs *regs)
{ {
...@@ -701,7 +702,7 @@ static irqreturn_t schizo_ue_intr(int irq, void *dev_id, struct pt_regs *regs) ...@@ -701,7 +702,7 @@ static irqreturn_t schizo_ue_intr(int irq, void *dev_id, struct pt_regs *regs)
schizo_write(afsr_reg, error_bits); schizo_write(afsr_reg, error_bits);
/* Log the error. */ /* Log the error. */
printk("SCHIZO%d: Uncorrectable Error, primary error type[%s]\n", printk("PCI%d: Uncorrectable Error, primary error type[%s]\n",
p->index, p->index,
(((error_bits & SCHIZO_UEAFSR_PPIO) ? (((error_bits & SCHIZO_UEAFSR_PPIO) ?
"PIO" : "PIO" :
...@@ -709,20 +710,20 @@ static irqreturn_t schizo_ue_intr(int irq, void *dev_id, struct pt_regs *regs) ...@@ -709,20 +710,20 @@ static irqreturn_t schizo_ue_intr(int irq, void *dev_id, struct pt_regs *regs)
"DMA Read" : "DMA Read" :
((error_bits & SCHIZO_UEAFSR_PDWR) ? ((error_bits & SCHIZO_UEAFSR_PDWR) ?
"DMA Write" : "???"))))); "DMA Write" : "???")))));
printk("SCHIZO%d: bytemask[%04lx] qword_offset[%lx] SAFARI_AID[%02lx]\n", printk("PCI%d: bytemask[%04lx] qword_offset[%lx] SAFARI_AID[%02lx]\n",
p->index, p->index,
(afsr & SCHIZO_UEAFSR_BMSK) >> 32UL, (afsr & SCHIZO_UEAFSR_BMSK) >> 32UL,
(afsr & SCHIZO_UEAFSR_QOFF) >> 30UL, (afsr & SCHIZO_UEAFSR_QOFF) >> 30UL,
(afsr & SCHIZO_UEAFSR_AID) >> 24UL); (afsr & SCHIZO_UEAFSR_AID) >> 24UL);
printk("SCHIZO%d: partial[%d] owned_in[%d] mtag[%lx] mtag_synd[%lx] ecc_sync[%lx]\n", printk("PCI%d: partial[%d] owned_in[%d] mtag[%lx] mtag_synd[%lx] ecc_sync[%lx]\n",
p->index, p->index,
(afsr & SCHIZO_UEAFSR_PARTIAL) ? 1 : 0, (afsr & SCHIZO_UEAFSR_PARTIAL) ? 1 : 0,
(afsr & SCHIZO_UEAFSR_OWNEDIN) ? 1 : 0, (afsr & SCHIZO_UEAFSR_OWNEDIN) ? 1 : 0,
(afsr & SCHIZO_UEAFSR_MTAG) >> 13UL, (afsr & SCHIZO_UEAFSR_MTAG) >> 13UL,
(afsr & SCHIZO_UEAFSR_MTAGSYND) >> 16UL, (afsr & SCHIZO_UEAFSR_MTAGSYND) >> 16UL,
(afsr & SCHIZO_UEAFSR_ECCSYND) >> 0UL); (afsr & SCHIZO_UEAFSR_ECCSYND) >> 0UL);
printk("SCHIZO%d: UE AFAR [%016lx]\n", p->index, afar); printk("PCI%d: UE AFAR [%016lx]\n", p->index, afar);
printk("SCHIZO%d: UE Secondary errors [", p->index); printk("PCI%d: UE Secondary errors [", p->index);
reported = 0; reported = 0;
if (afsr & SCHIZO_UEAFSR_SPIO) { if (afsr & SCHIZO_UEAFSR_SPIO) {
reported++; reported++;
...@@ -791,7 +792,7 @@ static irqreturn_t schizo_ce_intr(int irq, void *dev_id, struct pt_regs *regs) ...@@ -791,7 +792,7 @@ static irqreturn_t schizo_ce_intr(int irq, void *dev_id, struct pt_regs *regs)
schizo_write(afsr_reg, error_bits); schizo_write(afsr_reg, error_bits);
/* Log the error. */ /* Log the error. */
printk("SCHIZO%d: Correctable Error, primary error type[%s]\n", printk("PCI%d: Correctable Error, primary error type[%s]\n",
p->index, p->index,
(((error_bits & SCHIZO_CEAFSR_PPIO) ? (((error_bits & SCHIZO_CEAFSR_PPIO) ?
"PIO" : "PIO" :
...@@ -803,20 +804,20 @@ static irqreturn_t schizo_ce_intr(int irq, void *dev_id, struct pt_regs *regs) ...@@ -803,20 +804,20 @@ static irqreturn_t schizo_ce_intr(int irq, void *dev_id, struct pt_regs *regs)
/* XXX Use syndrome and afar to print out module string just like /* XXX Use syndrome and afar to print out module string just like
* XXX UDB CE trap handler does... -DaveM * XXX UDB CE trap handler does... -DaveM
*/ */
printk("SCHIZO%d: bytemask[%04lx] qword_offset[%lx] SAFARI_AID[%02lx]\n", printk("PCI%d: bytemask[%04lx] qword_offset[%lx] SAFARI_AID[%02lx]\n",
p->index, p->index,
(afsr & SCHIZO_UEAFSR_BMSK) >> 32UL, (afsr & SCHIZO_UEAFSR_BMSK) >> 32UL,
(afsr & SCHIZO_UEAFSR_QOFF) >> 30UL, (afsr & SCHIZO_UEAFSR_QOFF) >> 30UL,
(afsr & SCHIZO_UEAFSR_AID) >> 24UL); (afsr & SCHIZO_UEAFSR_AID) >> 24UL);
printk("SCHIZO%d: partial[%d] owned_in[%d] mtag[%lx] mtag_synd[%lx] ecc_sync[%lx]\n", printk("PCI%d: partial[%d] owned_in[%d] mtag[%lx] mtag_synd[%lx] ecc_sync[%lx]\n",
p->index, p->index,
(afsr & SCHIZO_UEAFSR_PARTIAL) ? 1 : 0, (afsr & SCHIZO_UEAFSR_PARTIAL) ? 1 : 0,
(afsr & SCHIZO_UEAFSR_OWNEDIN) ? 1 : 0, (afsr & SCHIZO_UEAFSR_OWNEDIN) ? 1 : 0,
(afsr & SCHIZO_UEAFSR_MTAG) >> 13UL, (afsr & SCHIZO_UEAFSR_MTAG) >> 13UL,
(afsr & SCHIZO_UEAFSR_MTAGSYND) >> 16UL, (afsr & SCHIZO_UEAFSR_MTAGSYND) >> 16UL,
(afsr & SCHIZO_UEAFSR_ECCSYND) >> 0UL); (afsr & SCHIZO_UEAFSR_ECCSYND) >> 0UL);
printk("SCHIZO%d: CE AFAR [%016lx]\n", p->index, afar); printk("PCI%d: CE AFAR [%016lx]\n", p->index, afar);
printk("SCHIZO%d: CE Secondary errors [", p->index); printk("PCI%d: CE Secondary errors [", p->index);
reported = 0; reported = 0;
if (afsr & SCHIZO_CEAFSR_SPIO) { if (afsr & SCHIZO_CEAFSR_SPIO) {
reported++; reported++;
...@@ -838,23 +839,23 @@ static irqreturn_t schizo_ce_intr(int irq, void *dev_id, struct pt_regs *regs) ...@@ -838,23 +839,23 @@ static irqreturn_t schizo_ce_intr(int irq, void *dev_id, struct pt_regs *regs)
#define SCHIZO_PCI_AFSR 0x2010UL #define SCHIZO_PCI_AFSR 0x2010UL
#define SCHIZO_PCI_AFAR 0x2018UL #define SCHIZO_PCI_AFAR 0x2018UL
#define SCHIZO_PCIAFSR_PMA 0x8000000000000000UL #define SCHIZO_PCIAFSR_PMA 0x8000000000000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_PTA 0x4000000000000000UL #define SCHIZO_PCIAFSR_PTA 0x4000000000000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_PRTRY 0x2000000000000000UL #define SCHIZO_PCIAFSR_PRTRY 0x2000000000000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_PPERR 0x1000000000000000UL #define SCHIZO_PCIAFSR_PPERR 0x1000000000000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_PTTO 0x0800000000000000UL #define SCHIZO_PCIAFSR_PTTO 0x0800000000000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_PUNUS 0x0400000000000000UL #define SCHIZO_PCIAFSR_PUNUS 0x0400000000000000UL /* Schizo */
#define SCHIZO_PCIAFSR_SMA 0x0200000000000000UL #define SCHIZO_PCIAFSR_SMA 0x0200000000000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_STA 0x0100000000000000UL #define SCHIZO_PCIAFSR_STA 0x0100000000000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_SRTRY 0x0080000000000000UL #define SCHIZO_PCIAFSR_SRTRY 0x0080000000000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_SPERR 0x0040000000000000UL #define SCHIZO_PCIAFSR_SPERR 0x0040000000000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_STTO 0x0020000000000000UL #define SCHIZO_PCIAFSR_STTO 0x0020000000000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_SUNUS 0x0010000000000000UL #define SCHIZO_PCIAFSR_SUNUS 0x0010000000000000UL /* Schizo */
#define SCHIZO_PCIAFSR_BMSK 0x000003ff00000000UL #define SCHIZO_PCIAFSR_BMSK 0x000003ff00000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_BLK 0x0000000080000000UL #define SCHIZO_PCIAFSR_BLK 0x0000000080000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_CFG 0x0000000040000000UL #define SCHIZO_PCIAFSR_CFG 0x0000000040000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_MEM 0x0000000020000000UL #define SCHIZO_PCIAFSR_MEM 0x0000000020000000UL /* Schizo/Tomatillo */
#define SCHIZO_PCIAFSR_IO 0x0000000010000000UL #define SCHIZO_PCIAFSR_IO 0x0000000010000000UL /* Schizo/Tomatillo */
static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *regs) static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *regs)
{ {
...@@ -863,15 +864,12 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg ...@@ -863,15 +864,12 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg
unsigned long afsr_reg, afar_reg, base; unsigned long afsr_reg, afar_reg, base;
unsigned long afsr, afar, error_bits; unsigned long afsr, afar, error_bits;
int reported; int reported;
char pbm_name;
base = p->controller_regs; base = p->controller_regs;
if (pbm == &pbm->parent->pbm_A) { if (pbm == &pbm->parent->pbm_A) {
base += SCHIZO_PBM_A_REGS_OFF; base += SCHIZO_PBM_A_REGS_OFF;
pbm_name = 'A';
} else { } else {
base += SCHIZO_PBM_B_REGS_OFF; base += SCHIZO_PBM_B_REGS_OFF;
pbm_name = 'B';
} }
afsr_reg = base + SCHIZO_PCI_AFSR; afsr_reg = base + SCHIZO_PCI_AFSR;
...@@ -894,8 +892,8 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg ...@@ -894,8 +892,8 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg
schizo_write(afsr_reg, error_bits); schizo_write(afsr_reg, error_bits);
/* Log the error. */ /* Log the error. */
printk("SCHIZO%d: PBM-%c PCI Error, primary error type[%s]\n", printk("%s: PCI Error, primary error type[%s]\n",
p->index, pbm_name, pbm->name,
(((error_bits & SCHIZO_PCIAFSR_PMA) ? (((error_bits & SCHIZO_PCIAFSR_PMA) ?
"Master Abort" : "Master Abort" :
((error_bits & SCHIZO_PCIAFSR_PTA) ? ((error_bits & SCHIZO_PCIAFSR_PTA) ?
...@@ -908,8 +906,8 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg ...@@ -908,8 +906,8 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg
"Timeout" : "Timeout" :
((error_bits & SCHIZO_PCIAFSR_PUNUS) ? ((error_bits & SCHIZO_PCIAFSR_PUNUS) ?
"Bus Unusable" : "???")))))))); "Bus Unusable" : "???"))))))));
printk("SCHIZO%d: PBM-%c bytemask[%04lx] was_block(%d) space(%s)\n", printk("%s: bytemask[%04lx] was_block(%d) space(%s)\n",
p->index, pbm_name, pbm->name,
(afsr & SCHIZO_PCIAFSR_BMSK) >> 32UL, (afsr & SCHIZO_PCIAFSR_BMSK) >> 32UL,
(afsr & SCHIZO_PCIAFSR_BLK) ? 1 : 0, (afsr & SCHIZO_PCIAFSR_BLK) ? 1 : 0,
((afsr & SCHIZO_PCIAFSR_CFG) ? ((afsr & SCHIZO_PCIAFSR_CFG) ?
...@@ -918,10 +916,10 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg ...@@ -918,10 +916,10 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg
"Memory" : "Memory" :
((afsr & SCHIZO_PCIAFSR_IO) ? ((afsr & SCHIZO_PCIAFSR_IO) ?
"I/O" : "???")))); "I/O" : "???"))));
printk("SCHIZO%d: PBM-%c PCI AFAR [%016lx]\n", printk("%s: PCI AFAR [%016lx]\n",
p->index, pbm_name, afar); pbm->name, afar);
printk("SCHIZO%d: PBM-%c PCI Secondary errors [", printk("%s: PCI Secondary errors [",
p->index, pbm_name); pbm->name);
reported = 0; reported = 0;
if (afsr & SCHIZO_PCIAFSR_SMA) { if (afsr & SCHIZO_PCIAFSR_SMA) {
reported++; reported++;
...@@ -986,24 +984,37 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg ...@@ -986,24 +984,37 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg
#define SAFARI_ERRLOG_ERROUT 0x8000000000000000UL #define SAFARI_ERRLOG_ERROUT 0x8000000000000000UL
#define SAFARI_ERROR_BADCMD 0x4000000000000000UL #define BUS_ERROR_BADCMD 0x4000000000000000UL /* Schizo/Tomatillo */
#define SAFARI_ERROR_SSMDIS 0x2000000000000000UL #define BUS_ERROR_SSMDIS 0x2000000000000000UL /* Safari */
#define SAFARI_ERROR_BADMA 0x1000000000000000UL #define BUS_ERROR_BADMA 0x1000000000000000UL /* Safari */
#define SAFARI_ERROR_BADMB 0x0800000000000000UL #define BUS_ERROR_BADMB 0x0800000000000000UL /* Safari */
#define SAFARI_ERROR_BADMC 0x0400000000000000UL #define BUS_ERROR_BADMC 0x0400000000000000UL /* Safari */
#define SAFARI_ERROR_CPU1PS 0x0000000000002000UL #define BUS_ERROR_SNOOP_GR 0x0000000000200000UL /* Tomatillo */
#define SAFARI_ERROR_CPU1PB 0x0000000000001000UL #define BUS_ERROR_SNOOP_PCI 0x0000000000100000UL /* Tomatillo */
#define SAFARI_ERROR_CPU0PS 0x0000000000000800UL #define BUS_ERROR_SNOOP_RD 0x0000000000080000UL /* Tomatillo */
#define SAFARI_ERROR_CPU0PB 0x0000000000000400UL #define BUS_ERROR_SNOOP_RDS 0x0000000000020000UL /* Tomatillo */
#define SAFARI_ERROR_CIQTO 0x0000000000000200UL #define BUS_ERROR_SNOOP_RDSA 0x0000000000010000UL /* Tomatillo */
#define SAFARI_ERROR_LPQTO 0x0000000000000100UL #define BUS_ERROR_SNOOP_OWN 0x0000000000008000UL /* Tomatillo */
#define SAFARI_ERROR_SFPQTO 0x0000000000000080UL #define BUS_ERROR_SNOOP_RDO 0x0000000000004000UL /* Tomatillo */
#define SAFARI_ERROR_UFPQTO 0x0000000000000040UL #define BUS_ERROR_CPU1PS 0x0000000000002000UL /* Safari */
#define SAFARI_ERROR_APERR 0x0000000000000020UL #define BUS_ERROR_WDATA_PERR 0x0000000000002000UL /* Tomatillo */
#define SAFARI_ERROR_UNMAP 0x0000000000000010UL #define BUS_ERROR_CPU1PB 0x0000000000001000UL /* Safari */
#define SAFARI_ERROR_BUSERR 0x0000000000000004UL #define BUS_ERROR_CTRL_PERR 0x0000000000001000UL /* Tomatillo */
#define SAFARI_ERROR_TIMEOUT 0x0000000000000002UL #define BUS_ERROR_CPU0PS 0x0000000000000800UL /* Safari */
#define SAFARI_ERROR_ILL 0x0000000000000001UL #define BUS_ERROR_SNOOP_ERR 0x0000000000000800UL /* Tomatillo */
#define BUS_ERROR_CPU0PB 0x0000000000000400UL /* Safari */
#define BUS_ERROR_JBUS_ILL_B 0x0000000000000400UL /* Tomatillo */
#define BUS_ERROR_CIQTO 0x0000000000000200UL /* Safari */
#define BUS_ERROR_LPQTO 0x0000000000000100UL /* Safari */
#define BUS_ERROR_JBUS_ILL_C 0x0000000000000100UL /* Tomatillo */
#define BUS_ERROR_SFPQTO 0x0000000000000080UL /* Safari */
#define BUS_ERROR_UFPQTO 0x0000000000000040UL /* Safari */
#define BUS_ERROR_RD_PERR 0x0000000000000040UL /* Tomatillo */
#define BUS_ERROR_APERR 0x0000000000000020UL /* Safari/Tomatillo */
#define BUS_ERROR_UNMAP 0x0000000000000010UL /* Safari/Tomatillo */
#define BUS_ERROR_BUSERR 0x0000000000000004UL /* Safari/Tomatillo */
#define BUS_ERROR_TIMEOUT 0x0000000000000002UL /* Safari/Tomatillo */
#define BUS_ERROR_ILL 0x0000000000000001UL /* Safari */
/* We only expect UNMAP errors here. The rest of the Safari errors /* We only expect UNMAP errors here. The rest of the Safari errors
* are marked fatal and thus cause a system reset. * are marked fatal and thus cause a system reset.
...@@ -1017,15 +1028,15 @@ static irqreturn_t schizo_safarierr_intr(int irq, void *dev_id, struct pt_regs * ...@@ -1017,15 +1028,15 @@ static irqreturn_t schizo_safarierr_intr(int irq, void *dev_id, struct pt_regs *
schizo_write(p->controller_regs + SCHIZO_SAFARI_ERRLOG, schizo_write(p->controller_regs + SCHIZO_SAFARI_ERRLOG,
errlog & ~(SAFARI_ERRLOG_ERROUT)); errlog & ~(SAFARI_ERRLOG_ERROUT));
if (!(errlog & SAFARI_ERROR_UNMAP)) { if (!(errlog & BUS_ERROR_UNMAP)) {
printk("SCHIZO%d: Unexpected Safari error interrupt, errlog[%016lx]\n", printk("PCI%d: Unexpected Safari/JBUS error interrupt, errlog[%016lx]\n",
p->index, errlog); p->index, errlog);
schizo_clear_other_err_intr(irq); schizo_clear_other_err_intr(irq);
return IRQ_HANDLED; return IRQ_HANDLED;
} }
printk("SCHIZO%d: Safari interrupt, UNMAPPED error, interrogating IOMMUs.\n", printk("PCI%d: Safari/JBUS interrupt, UNMAPPED error, interrogating IOMMUs.\n",
p->index); p->index);
schizo_check_iommu_error(p, SAFARI_ERR); schizo_check_iommu_error(p, SAFARI_ERR);
...@@ -1052,22 +1063,179 @@ static irqreturn_t schizo_safarierr_intr(int irq, void *dev_id, struct pt_regs * ...@@ -1052,22 +1063,179 @@ static irqreturn_t schizo_safarierr_intr(int irq, void *dev_id, struct pt_regs *
#define SCHIZO_PCIA_CTRL (SCHIZO_PBM_A_REGS_OFF + 0x2000UL) #define SCHIZO_PCIA_CTRL (SCHIZO_PBM_A_REGS_OFF + 0x2000UL)
#define SCHIZO_PCIB_CTRL (SCHIZO_PBM_B_REGS_OFF + 0x2000UL) #define SCHIZO_PCIB_CTRL (SCHIZO_PBM_B_REGS_OFF + 0x2000UL)
#define SCHIZO_PCICTRL_BUS_UNUS (1UL << 63UL) #define SCHIZO_PCICTRL_BUS_UNUS (1UL << 63UL) /* Safari */
#define SCHIZO_PCICTRL_ESLCK (1UL << 51UL) #define SCHIZO_PCICTRL_ARB_PRIO (0x1ff << 52UL) /* Tomatillo */
#define SCHIZO_PCICTRL_ERRSLOT (7UL << 48UL) #define SCHIZO_PCICTRL_ESLCK (1UL << 51UL) /* Safari */
#define SCHIZO_PCICTRL_TTO_ERR (1UL << 38UL) #define SCHIZO_PCICTRL_ERRSLOT (7UL << 48UL) /* Safari */
#define SCHIZO_PCICTRL_RTRY_ERR (1UL << 37UL) #define SCHIZO_PCICTRL_TTO_ERR (1UL << 38UL) /* Safari/Tomatillo */
#define SCHIZO_PCICTRL_DTO_ERR (1UL << 36UL) #define SCHIZO_PCICTRL_RTRY_ERR (1UL << 37UL) /* Safari/Tomatillo */
#define SCHIZO_PCICTRL_SBH_ERR (1UL << 35UL) #define SCHIZO_PCICTRL_DTO_ERR (1UL << 36UL) /* Safari/Tomatillo */
#define SCHIZO_PCICTRL_SERR (1UL << 34UL) #define SCHIZO_PCICTRL_SBH_ERR (1UL << 35UL) /* Safari */
#define SCHIZO_PCICTRL_PCISPD (1UL << 33UL) #define SCHIZO_PCICTRL_SERR (1UL << 34UL) /* Safari/Tomatillo */
#define SCHIZO_PCICTRL_PTO (3UL << 24UL) #define SCHIZO_PCICTRL_PCISPD (1UL << 33UL) /* Safari */
#define SCHIZO_PCICTRL_DTO_INT (1UL << 19UL) #define SCHIZO_PCICTRL_MRM_PREF (1UL << 28UL) /* Tomatillo */
#define SCHIZO_PCICTRL_SBH_INT (1UL << 18UL) #define SCHIZO_PCICTRL_RDO_PREF (1UL << 27UL) /* Tomatillo */
#define SCHIZO_PCICTRL_EEN (1UL << 17UL) #define SCHIZO_PCICTRL_RDL_PREF (1UL << 26UL) /* Tomatillo */
#define SCHIZO_PCICTRL_PARK (1UL << 16UL) #define SCHIZO_PCICTRL_PTO (3UL << 24UL) /* Safari/Tomatillo */
#define SCHIZO_PCICTRL_PCIRST (1UL << 8UL) #define SCHIZO_PCICTRL_PTO_SHIFT 24UL
#define SCHIZO_PCICTRL_ARB (0x3fUL << 0UL) #define SCHIZO_PCICTRL_TRWSW (7UL << 21UL) /* Tomatillo */
#define SCHIZO_PCICTRL_F_TGT_A (1UL << 20UL) /* Tomatillo */
#define SCHIZO_PCICTRL_S_DTO_INT (1UL << 19UL) /* Safari */
#define SCHIZO_PCICTRL_F_TGT_RT (1UL << 19UL) /* Tomatillo */
#define SCHIZO_PCICTRL_SBH_INT (1UL << 18UL) /* Safari */
#define SCHIZO_PCICTRL_T_DTO_INT (1UL << 18UL) /* Tomatillo */
#define SCHIZO_PCICTRL_EEN (1UL << 17UL) /* Safari/Tomatillo */
#define SCHIZO_PCICTRL_PARK (1UL << 16UL) /* Safari/Tomatillo */
#define SCHIZO_PCICTRL_PCIRST (1UL << 8UL) /* Safari */
#define SCHIZO_PCICTRL_ARB (0x3fUL << 0UL) /* Safari/Tomatillo */
/* How the Tomatillo IRQs are routed around is pure guesswork here.
*
* All the Tomatillo devices I see in prtconf dumps seem to have only
* a single PCI bus unit attached to it. It would seem they are seperate
* devices because their PortID (ie. JBUS ID) values are all different
* and thus the registers are mapped to totally different locations.
*
* However, two Tomatillo's look "similar" in that the only difference
* in their PortID is the lowest bit which is software programmable.
* So if we were to ignore this lower bit, it certainly looks like two
* PCI bus units of the same Tomatillo. I still have not really
* figured this out...
*/
static void __init tomatillo_register_error_handlers(struct pci_controller_info *p)
{
struct pci_pbm_info *pbm;
unsigned long base = p->controller_regs;
unsigned int irq, portid = p->portid;
struct ino_bucket *bucket;
u64 tmp, err_mask;
int is_pbm_a;
pbm = &p->pbm_A;
is_pbm_a = 1;
if (!pbm->prom_node) {
pbm = &p->pbm_B;
is_pbm_a = 0;
}
/* Build IRQs and register handlers. */
irq = schizo_irq_build(pbm, NULL, (portid << 6) | SCHIZO_UE_INO);
if (request_irq(irq, schizo_ue_intr,
SA_SHIRQ, "TOMATILLO UE", p) < 0) {
prom_printf("TOMATILLO%d: Cannot register UE interrupt.\n",
p->index);
prom_halt();
}
bucket = __bucket(irq);
tmp = readl(bucket->imap);
upa_writel(tmp, (base +
(is_pbm_a ?
SCHIZO_PBM_A_REGS_OFF :
SCHIZO_PBM_B_REGS_OFF) +
schizo_imap_offset(SCHIZO_UE_INO) + 4));
irq = schizo_irq_build(pbm, NULL, (portid << 6) | SCHIZO_CE_INO);
if (request_irq(irq, schizo_ce_intr,
SA_SHIRQ, "TOMATILLO CE", p) < 0) {
prom_printf("TOMATILLO%d: Cannot register CE interrupt.\n",
p->index);
prom_halt();
}
bucket = __bucket(irq);
tmp = upa_readl(bucket->imap);
upa_writel(tmp, (base +
(is_pbm_a ?
SCHIZO_PBM_A_REGS_OFF :
SCHIZO_PBM_B_REGS_OFF) +
schizo_imap_offset(SCHIZO_CE_INO) + 4));
irq = schizo_irq_build(pbm, NULL, ((portid << 6) |
(is_pbm_a ?
SCHIZO_PCIERR_A_INO :
SCHIZO_PCIERR_B_INO)));
if (request_irq(irq, schizo_pcierr_intr,
SA_SHIRQ, "TOMATILLO PCIERR", pbm) < 0) {
prom_printf("%s: Cannot register PciERR interrupt.\n",
pbm->name);
prom_halt();
}
bucket = __bucket(irq);
tmp = upa_readl(bucket->imap);
upa_writel(tmp, (base +
(is_pbm_a ?
SCHIZO_PBM_A_REGS_OFF :
SCHIZO_PBM_B_REGS_OFF) +
schizo_imap_offset(SCHIZO_PCIERR_A_INO) + 4));
irq = schizo_irq_build(pbm, NULL, (portid << 6) | SCHIZO_SERR_INO);
if (request_irq(irq, schizo_safarierr_intr,
SA_SHIRQ, "TOMATILLO SERR", p) < 0) {
prom_printf("%s: Cannot register SafariERR interrupt.\n",
pbm->name);
prom_halt();
}
bucket = __bucket(irq);
tmp = upa_readl(bucket->imap);
upa_writel(tmp, (base +
(is_pbm_a ?
SCHIZO_PBM_A_REGS_OFF :
SCHIZO_PBM_B_REGS_OFF) +
schizo_imap_offset(SCHIZO_SERR_INO) + 4));
/* Enable UE and CE interrupts for controller. */
schizo_write(base + SCHIZO_ECC_CTRL,
(SCHIZO_ECCCTRL_EE |
SCHIZO_ECCCTRL_UE |
SCHIZO_ECCCTRL_CE));
/* Enable PCI Error interrupts and clear error
* bits.
*/
err_mask = (SCHIZO_PCICTRL_BUS_UNUS |
SCHIZO_PCICTRL_TTO_ERR |
SCHIZO_PCICTRL_RTRY_ERR |
SCHIZO_PCICTRL_DTO_ERR |
SCHIZO_PCICTRL_SERR |
SCHIZO_PCICTRL_EEN);
tmp = schizo_read(base +
(is_pbm_a ?
SCHIZO_PCIA_CTRL :
SCHIZO_PCIB_CTRL));
tmp |= err_mask;
schizo_write(base +
(is_pbm_a ?
SCHIZO_PCIA_CTRL :
SCHIZO_PCIB_CTRL), tmp);
schizo_write(base +
(is_pbm_a ?
SCHIZO_PBM_A_REGS_OFF :
SCHIZO_PBM_B_REGS_OFF) +
SCHIZO_PCI_AFSR,
(SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA |
SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR |
SCHIZO_PCIAFSR_PTTO |
SCHIZO_PCIAFSR_SMA | SCHIZO_PCIAFSR_STA |
SCHIZO_PCIAFSR_SRTRY | SCHIZO_PCIAFSR_SPERR |
SCHIZO_PCIAFSR_STTO));
err_mask = (BUS_ERROR_BADCMD | BUS_ERROR_SNOOP_GR |
BUS_ERROR_SNOOP_PCI | BUS_ERROR_SNOOP_RD |
BUS_ERROR_SNOOP_RDS | BUS_ERROR_SNOOP_RDSA |
BUS_ERROR_SNOOP_OWN | BUS_ERROR_SNOOP_RDO |
BUS_ERROR_WDATA_PERR | BUS_ERROR_CTRL_PERR |
BUS_ERROR_SNOOP_ERR | BUS_ERROR_JBUS_ILL_B |
BUS_ERROR_JBUS_ILL_C | BUS_ERROR_RD_PERR |
BUS_ERROR_APERR | BUS_ERROR_UNMAP |
BUS_ERROR_BUSERR | BUS_ERROR_TIMEOUT);
schizo_write(base + SCHIZO_SAFARI_ERRCTRL,
(SCHIZO_SAFERRCTRL_EN | err_mask));
schizo_write(base + SCHIZO_SAFARI_IRQCTRL,
(SCHIZO_SAFIRQCTRL_EN | (BUS_ERROR_UNMAP)));
}
static void __init schizo_register_error_handlers(struct pci_controller_info *p) static void __init schizo_register_error_handlers(struct pci_controller_info *p)
{ {
...@@ -1076,7 +1244,7 @@ static void __init schizo_register_error_handlers(struct pci_controller_info *p) ...@@ -1076,7 +1244,7 @@ static void __init schizo_register_error_handlers(struct pci_controller_info *p)
unsigned long base = p->controller_regs; unsigned long base = p->controller_regs;
unsigned int irq, portid = p->portid; unsigned int irq, portid = p->portid;
struct ino_bucket *bucket; struct ino_bucket *bucket;
u64 tmp; u64 tmp, err_mask;
/* Build IRQs and register handlers. */ /* Build IRQs and register handlers. */
irq = schizo_irq_build(pbm_b, NULL, (portid << 6) | SCHIZO_UE_INO); irq = schizo_irq_build(pbm_b, NULL, (portid << 6) | SCHIZO_UE_INO);
...@@ -1140,51 +1308,60 @@ static void __init schizo_register_error_handlers(struct pci_controller_info *p) ...@@ -1140,51 +1308,60 @@ static void __init schizo_register_error_handlers(struct pci_controller_info *p)
SCHIZO_ECCCTRL_UE | SCHIZO_ECCCTRL_UE |
SCHIZO_ECCCTRL_CE)); SCHIZO_ECCCTRL_CE));
err_mask = (SCHIZO_PCICTRL_BUS_UNUS |
SCHIZO_PCICTRL_ESLCK |
SCHIZO_PCICTRL_TTO_ERR |
SCHIZO_PCICTRL_RTRY_ERR |
SCHIZO_PCICTRL_DTO_ERR |
SCHIZO_PCICTRL_SBH_ERR |
SCHIZO_PCICTRL_SERR |
SCHIZO_PCICTRL_SBH_INT |
SCHIZO_PCICTRL_EEN);
/* Enable PCI Error interrupts and clear error /* Enable PCI Error interrupts and clear error
* bits for each PBM. * bits for each PBM.
*/ */
tmp = schizo_read(base + SCHIZO_PCIA_CTRL); if (pbm_a->prom_node) {
tmp |= (SCHIZO_PCICTRL_BUS_UNUS | tmp = schizo_read(base + SCHIZO_PCIA_CTRL);
SCHIZO_PCICTRL_ESLCK | tmp |= err_mask;
SCHIZO_PCICTRL_TTO_ERR | schizo_write(base + SCHIZO_PCIA_CTRL, tmp);
SCHIZO_PCICTRL_RTRY_ERR |
SCHIZO_PCICTRL_DTO_ERR | schizo_write(base + SCHIZO_PBM_A_REGS_OFF + SCHIZO_PCI_AFSR,
SCHIZO_PCICTRL_SBH_ERR | (SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA |
SCHIZO_PCICTRL_SERR | SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR |
SCHIZO_PCICTRL_SBH_INT | SCHIZO_PCIAFSR_PTTO | SCHIZO_PCIAFSR_PUNUS |
SCHIZO_PCICTRL_EEN); SCHIZO_PCIAFSR_SMA | SCHIZO_PCIAFSR_STA |
schizo_write(base + SCHIZO_PCIA_CTRL, tmp); SCHIZO_PCIAFSR_SRTRY | SCHIZO_PCIAFSR_SPERR |
SCHIZO_PCIAFSR_STTO | SCHIZO_PCIAFSR_SUNUS));
tmp = schizo_read(base + SCHIZO_PCIB_CTRL); }
tmp |= (SCHIZO_PCICTRL_BUS_UNUS |
SCHIZO_PCICTRL_ESLCK | if (pbm_b->prom_node) {
SCHIZO_PCICTRL_TTO_ERR | tmp = schizo_read(base + SCHIZO_PCIB_CTRL);
SCHIZO_PCICTRL_RTRY_ERR | tmp |= err_mask;
SCHIZO_PCICTRL_DTO_ERR | schizo_write(base + SCHIZO_PCIB_CTRL, tmp);
SCHIZO_PCICTRL_SBH_ERR |
SCHIZO_PCICTRL_SERR | schizo_write(base + SCHIZO_PBM_B_REGS_OFF + SCHIZO_PCI_AFSR,
SCHIZO_PCICTRL_SBH_INT | (SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA |
SCHIZO_PCICTRL_EEN); SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR |
schizo_write(base + SCHIZO_PCIB_CTRL, tmp); SCHIZO_PCIAFSR_PTTO | SCHIZO_PCIAFSR_PUNUS |
SCHIZO_PCIAFSR_SMA | SCHIZO_PCIAFSR_STA |
schizo_write(base + SCHIZO_PBM_A_REGS_OFF + SCHIZO_PCI_AFSR, SCHIZO_PCIAFSR_SRTRY | SCHIZO_PCIAFSR_SPERR |
(SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA | SCHIZO_PCIAFSR_STTO | SCHIZO_PCIAFSR_SUNUS));
SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR | }
SCHIZO_PCIAFSR_PTTO | SCHIZO_PCIAFSR_PUNUS |
SCHIZO_PCIAFSR_SMA | SCHIZO_PCIAFSR_STA |
SCHIZO_PCIAFSR_SRTRY | SCHIZO_PCIAFSR_SPERR |
SCHIZO_PCIAFSR_STTO | SCHIZO_PCIAFSR_SUNUS));
schizo_write(base + SCHIZO_PBM_B_REGS_OFF + SCHIZO_PCI_AFSR,
(SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA |
SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR |
SCHIZO_PCIAFSR_PTTO | SCHIZO_PCIAFSR_PUNUS |
SCHIZO_PCIAFSR_SMA | SCHIZO_PCIAFSR_STA |
SCHIZO_PCIAFSR_SRTRY | SCHIZO_PCIAFSR_SPERR |
SCHIZO_PCIAFSR_STTO | SCHIZO_PCIAFSR_SUNUS));
/* Make all Safari error conditions fatal except unmapped errors /* Make all Safari error conditions fatal except unmapped
* which we make generate interrupts. * errors which we make generate interrupts.
*/ */
err_mask = (BUS_ERROR_BADCMD | BUS_ERROR_SSMDIS |
BUS_ERROR_BADMA | BUS_ERROR_BADMB |
BUS_ERROR_BADMC |
BUS_ERROR_CPU1PS | BUS_ERROR_CPU1PB |
BUS_ERROR_CPU0PS | BUS_ERROR_CPU0PB |
BUS_ERROR_CIQTO |
BUS_ERROR_LPQTO | BUS_ERROR_SFPQTO |
BUS_ERROR_UFPQTO | BUS_ERROR_APERR |
BUS_ERROR_BUSERR | BUS_ERROR_TIMEOUT |
BUS_ERROR_ILL);
#if 1 #if 1
/* XXX Something wrong with some Excalibur systems /* XXX Something wrong with some Excalibur systems
* XXX Sun is shipping. The behavior on a 2-cpu * XXX Sun is shipping. The behavior on a 2-cpu
...@@ -1193,33 +1370,15 @@ static void __init schizo_register_error_handlers(struct pci_controller_info *p) ...@@ -1193,33 +1370,15 @@ static void __init schizo_register_error_handlers(struct pci_controller_info *p)
* XXX their error status bits are cleared. Just * XXX their error status bits are cleared. Just
* XXX ignore them for now. -DaveM * XXX ignore them for now. -DaveM
*/ */
schizo_write(base + SCHIZO_SAFARI_ERRCTRL, err_mask &= ~(BUS_ERROR_CPU1PS | BUS_ERROR_CPU1PB |
(SCHIZO_SAFERRCTRL_EN | BUS_ERROR_CPU0PS | BUS_ERROR_CPU0PB);
(SAFARI_ERROR_BADCMD | SAFARI_ERROR_SSMDIS |
SAFARI_ERROR_BADMA | SAFARI_ERROR_BADMB |
SAFARI_ERROR_BADMC |
SAFARI_ERROR_CIQTO |
SAFARI_ERROR_LPQTO | SAFARI_ERROR_SFPQTO |
SAFARI_ERROR_UFPQTO | SAFARI_ERROR_APERR |
SAFARI_ERROR_BUSERR | SAFARI_ERROR_TIMEOUT |
SAFARI_ERROR_ILL)));
#else
schizo_write(base + SCHIZO_SAFARI_ERRCTRL,
(SCHIZO_SAFERRCTRL_EN |
(SAFARI_ERROR_BADCMD | SAFARI_ERROR_SSMDIS |
SAFARI_ERROR_BADMA | SAFARI_ERROR_BADMB |
SAFARI_ERROR_BADMC |
SAFARI_ERROR_CPU1PS | SAFARI_ERROR_CPU1PB |
SAFARI_ERROR_CPU0PS | SAFARI_ERROR_CPU0PB |
SAFARI_ERROR_CIQTO |
SAFARI_ERROR_LPQTO | SAFARI_ERROR_SFPQTO |
SAFARI_ERROR_UFPQTO | SAFARI_ERROR_APERR |
SAFARI_ERROR_BUSERR | SAFARI_ERROR_TIMEOUT |
SAFARI_ERROR_ILL)));
#endif #endif
schizo_write(base + SCHIZO_SAFARI_ERRCTRL,
(SCHIZO_SAFERRCTRL_EN | err_mask));
schizo_write(base + SCHIZO_SAFARI_IRQCTRL, schizo_write(base + SCHIZO_SAFARI_IRQCTRL,
(SCHIZO_SAFIRQCTRL_EN | (SAFARI_ERROR_UNMAP))); (SCHIZO_SAFIRQCTRL_EN | (BUS_ERROR_UNMAP)));
} }
/* We have to do the config space accesses by hand, thus... */ /* We have to do the config space accesses by hand, thus... */
...@@ -1306,21 +1465,27 @@ static void __init pbm_bridge_reconfigure(struct pci_controller_info *p) ...@@ -1306,21 +1465,27 @@ static void __init pbm_bridge_reconfigure(struct pci_controller_info *p)
* all PCI-to-PCI bridges under each PBM. The generic bus * all PCI-to-PCI bridges under each PBM. The generic bus
* probing will fix them up. * probing will fix them up.
*/ */
pbm_pci_bridge_renumber(&p->pbm_B, p->pbm_B.pci_first_busno); if (p->pbm_B.prom_node)
pbm_pci_bridge_renumber(&p->pbm_A, p->pbm_A.pci_first_busno); pbm_pci_bridge_renumber(&p->pbm_B, p->pbm_B.pci_first_busno);
if (p->pbm_A.prom_node)
pbm_pci_bridge_renumber(&p->pbm_A, p->pbm_A.pci_first_busno);
/* Move PBM A out of the way. */ if (p->pbm_A.prom_node) {
pbm = &p->pbm_A; /* If necessary, move PBM A out of the way. */
addr = schizo_pci_config_mkaddr(pbm, pbm->pci_first_busno, pbm = &p->pbm_A;
0, PBM_BRIDGE_BUS); addr = schizo_pci_config_mkaddr(pbm, pbm->pci_first_busno,
pci_config_write8(addr, 0xff); 0, PBM_BRIDGE_BUS);
addr = schizo_pci_config_mkaddr(pbm, 0xff, pci_config_write8(addr, 0xff);
0, PBM_BRIDGE_SUBORDINATE); addr = schizo_pci_config_mkaddr(pbm, 0xff,
pci_config_write8(addr, 0xff); 0, PBM_BRIDGE_SUBORDINATE);
pci_config_write8(addr, 0xff);
}
/* Now we can safely renumber both PBMs. */ /* Now we can safely renumber both PBMs. */
pbm_renumber(&p->pbm_B, p->pbm_B.pci_first_busno); if (p->pbm_B.prom_node)
pbm_renumber(&p->pbm_A, 0xff); pbm_renumber(&p->pbm_B, p->pbm_B.pci_first_busno);
if (p->pbm_A.prom_node)
pbm_renumber(&p->pbm_A, 0xff);
} }
static void __init pbm_config_busmastering(struct pci_pbm_info *pbm) static void __init pbm_config_busmastering(struct pci_pbm_info *pbm)
...@@ -1346,7 +1511,7 @@ static void __init pbm_scan_bus(struct pci_controller_info *p, ...@@ -1346,7 +1511,7 @@ static void __init pbm_scan_bus(struct pci_controller_info *p,
struct pcidev_cookie *cookie = kmalloc(sizeof(*cookie), GFP_KERNEL); struct pcidev_cookie *cookie = kmalloc(sizeof(*cookie), GFP_KERNEL);
if (!cookie) { if (!cookie) {
prom_printf("SCHIZO: Critical allocation failure.\n"); prom_printf("%s: Critical allocation failure.\n", pbm->name);
prom_halt(); prom_halt();
} }
...@@ -1368,20 +1533,42 @@ static void __init pbm_scan_bus(struct pci_controller_info *p, ...@@ -1368,20 +1533,42 @@ static void __init pbm_scan_bus(struct pci_controller_info *p,
pci_setup_busmastering(pbm, pbm->pci_bus); pci_setup_busmastering(pbm, pbm->pci_bus);
} }
static void __init schizo_scan_bus(struct pci_controller_info *p) static void __init __schizo_scan_bus(struct pci_controller_info *p,
int is_tomatillo)
{ {
pbm_bridge_reconfigure(p); pbm_bridge_reconfigure(p);
pbm_config_busmastering(&p->pbm_B); if (p->pbm_B.prom_node) {
p->pbm_B.is_66mhz_capable = 0; pbm_config_busmastering(&p->pbm_B);
pbm_config_busmastering(&p->pbm_A); p->pbm_B.is_66mhz_capable =
p->pbm_A.is_66mhz_capable = 1; prom_getbool(p->pbm_B.prom_node, "66mhz-capable");
pbm_scan_bus(p, &p->pbm_B); }
pbm_scan_bus(p, &p->pbm_A); if (p->pbm_A.prom_node) {
pbm_config_busmastering(&p->pbm_A);
p->pbm_A.is_66mhz_capable =
prom_getbool(p->pbm_A.prom_node, "66mhz-capable");
}
if (p->pbm_B.prom_node)
pbm_scan_bus(p, &p->pbm_B);
if (p->pbm_A.prom_node)
pbm_scan_bus(p, &p->pbm_A);
/* After the PCI bus scan is complete, we can register /* After the PCI bus scan is complete, we can register
* the error interrupt handlers. * the error interrupt handlers.
*/ */
schizo_register_error_handlers(p); if (is_tomatillo)
tomatillo_register_error_handlers(p);
else
schizo_register_error_handlers(p);
}
static void __init schizo_scan_bus(struct pci_controller_info *p)
{
__schizo_scan_bus(p, 0);
}
static void __init tomatillo_scan_bus(struct pci_controller_info *p)
{
__schizo_scan_bus(p, 1);
} }
static void __init schizo_base_address_update(struct pci_dev *pdev, int resource) static void __init schizo_base_address_update(struct pci_dev *pdev, int resource)
...@@ -1451,7 +1638,8 @@ static void __init schizo_resource_adjust(struct pci_dev *pdev, ...@@ -1451,7 +1638,8 @@ static void __init schizo_resource_adjust(struct pci_dev *pdev,
#define SCHIZO_PCI_B_IO_MASK 0x00078UL #define SCHIZO_PCI_B_IO_MASK 0x00078UL
static void schizo_determine_mem_io_space(struct pci_pbm_info *pbm, static void schizo_determine_mem_io_space(struct pci_pbm_info *pbm,
int is_pbm_a, unsigned long reg_base) int is_pbm_a, unsigned long reg_base,
int is_tomatillo)
{ {
u64 mem_match, mem_mask; u64 mem_match, mem_mask;
u64 io_match; u64 io_match;
...@@ -1481,8 +1669,8 @@ static void schizo_determine_mem_io_space(struct pci_pbm_info *pbm, ...@@ -1481,8 +1669,8 @@ static void schizo_determine_mem_io_space(struct pci_pbm_info *pbm,
a = schizo_read(io_match) & ~0x8000000000000000UL; a = schizo_read(io_match) & ~0x8000000000000000UL;
pbm->config_space = a; pbm->config_space = a;
printk("SCHIZO PBM%c: Local PCI config space at %016lx\n", printk("%s: Local PCI config space at %016lx\n",
(is_pbm_a ? 'A' : 'B'), pbm->config_space); pbm->name, pbm->config_space);
a += (16UL * 1024UL * 1024UL); a += (16UL * 1024UL * 1024UL);
pbm->io_space.start = a; pbm->io_space.start = a;
...@@ -1491,14 +1679,10 @@ static void schizo_determine_mem_io_space(struct pci_pbm_info *pbm, ...@@ -1491,14 +1679,10 @@ static void schizo_determine_mem_io_space(struct pci_pbm_info *pbm,
} }
static void __init pbm_register_toplevel_resources(struct pci_controller_info *p, static void __init pbm_register_toplevel_resources(struct pci_controller_info *p,
struct pci_pbm_info *pbm) struct pci_pbm_info *pbm,
int is_tomatillo)
{ {
char *name = pbm->name; pbm->io_space.name = pbm->mem_space.name = pbm->name;
sprintf(name, "SCHIZO%d PBM%c",
p->index,
(pbm == &p->pbm_A ? 'A' : 'B'));
pbm->io_space.name = pbm->mem_space.name = name;
request_resource(&ioport_resource, &pbm->io_space); request_resource(&ioport_resource, &pbm->io_space);
request_resource(&iomem_resource, &pbm->mem_space); request_resource(&iomem_resource, &pbm->mem_space);
...@@ -1520,11 +1704,17 @@ static void __init pbm_register_toplevel_resources(struct pci_controller_info *p ...@@ -1520,11 +1704,17 @@ static void __init pbm_register_toplevel_resources(struct pci_controller_info *p
static void schizo_pbm_strbuf_init(struct pci_controller_info *p, static void schizo_pbm_strbuf_init(struct pci_controller_info *p,
struct pci_pbm_info *pbm, struct pci_pbm_info *pbm,
int is_pbm_a) int is_pbm_a,
int is_tomatillo)
{ {
unsigned long base = p->controller_regs; unsigned long base = p->controller_regs;
u64 control; u64 control;
if (is_tomatillo) {
/* TOMATILLO lacks streaming cache. */
return;
}
/* SCHIZO has context flushing. */ /* SCHIZO has context flushing. */
if (is_pbm_a) { if (is_pbm_a) {
pbm->stc.strbuf_control = base + SCHIZO_STRBUF_CONTROL_A; pbm->stc.strbuf_control = base + SCHIZO_STRBUF_CONTROL_A;
...@@ -1576,7 +1766,8 @@ static void schizo_pbm_strbuf_init(struct pci_controller_info *p, ...@@ -1576,7 +1766,8 @@ static void schizo_pbm_strbuf_init(struct pci_controller_info *p,
static void schizo_pbm_iommu_init(struct pci_controller_info *p, static void schizo_pbm_iommu_init(struct pci_controller_info *p,
struct pci_pbm_info *pbm, struct pci_pbm_info *pbm,
int is_pbm_a) int is_pbm_a,
int is_tomatillo)
{ {
struct pci_iommu *iommu = pbm->iommu; struct pci_iommu *iommu = pbm->iommu;
unsigned long tsbbase, i, tagbase, database; unsigned long tsbbase, i, tagbase, database;
...@@ -1630,7 +1821,7 @@ static void schizo_pbm_iommu_init(struct pci_controller_info *p, ...@@ -1630,7 +1821,7 @@ static void schizo_pbm_iommu_init(struct pci_controller_info *p,
*/ */
tsbbase = __get_free_pages(GFP_KERNEL, get_order(IO_TSB_SIZE)); tsbbase = __get_free_pages(GFP_KERNEL, get_order(IO_TSB_SIZE));
if (!tsbbase) { if (!tsbbase) {
prom_printf("SCHIZO_IOMMU: Error, gfp(tsb) failed.\n"); prom_printf("%s: Error, gfp(tsb) failed.\n", pbm->name);
prom_halt(); prom_halt();
} }
iommu->page_table = (iopte_t *)tsbbase; iommu->page_table = (iopte_t *)tsbbase;
...@@ -1656,20 +1847,103 @@ static void schizo_pbm_iommu_init(struct pci_controller_info *p, ...@@ -1656,20 +1847,103 @@ static void schizo_pbm_iommu_init(struct pci_controller_info *p,
schizo_write(iommu->iommu_control, control); schizo_write(iommu->iommu_control, control);
} }
static void schizo_pbm_init(struct pci_controller_info *p, #define SCHIZO_PCIA_IRQ_RETRY (SCHIZO_PBM_A_REGS_OFF + 0x1a00UL)
int prom_node, int is_pbm_a) #define SCHIZO_PCIB_IRQ_RETRY (SCHIZO_PBM_B_REGS_OFF + 0x1a00UL)
#define SCHIZO_IRQ_RETRY_INF 0xffUL
#define SCHIZO_PCIA_DIAG (SCHIZO_PBM_A_REGS_OFF + 0x2020UL)
#define SCHIZO_PCIB_DIAG (SCHIZO_PBM_B_REGS_OFF + 0x2020UL)
#define SCHIZO_PCIDIAG_D_BADECC (1UL << 10UL) /* Disable BAD ECC errors (Schizo) */
#define SCHIZO_PCIDIAG_D_BYPASS (1UL << 9UL) /* Disable MMU bypass mode (Schizo/Tomatillo) */
#define SCHIZO_PCIDIAG_D_TTO (1UL << 8UL) /* Disable TTO errors (Schizo/Tomatillo) */
#define SCHIZO_PCIDIAG_D_RTRYARB (1UL << 7UL) /* Disable retry arbitration (Schizo) */
#define SCHIZO_PCIDIAG_D_RETRY (1UL << 6UL) /* Disable retry limit (Schizo/Tomatillo) */
#define SCHIZO_PCIDIAG_D_INTSYNC (1UL << 5UL) /* Disable interrupt/DMA synch (Schizo/Tomatillo) */
#define SCHIZO_PCIDIAG_I_DMA_PARITY (1UL << 3UL) /* Invert DMA parity (Schizo/Tomatillo) */
#define SCHIZO_PCIDIAG_I_PIOD_PARITY (1UL << 2UL) /* Invert PIO data parity (Schizo/Tomatillo) */
#define SCHIZO_PCIDIAG_I_PIOA_PARITY (1UL << 1UL) /* Invert PIO address parity (Schizo/Tomatillo) */
static void __init schizo_pbm_hw_init(struct pci_controller_info *p,
int is_pbm_a, int is_tomatillo)
{
u64 tmp;
/* Set IRQ retry to infinity. */
schizo_write(p->controller_regs +
(is_pbm_a ?
SCHIZO_PCIA_IRQ_RETRY :
SCHIZO_PCIB_IRQ_RETRY),
SCHIZO_IRQ_RETRY_INF);
/* Enable arbiter for all PCI slots. Also, disable PCI interval
* timer so that DTO (Discard TimeOuts) are not reported because
* some Schizo revisions report them erroneously.
*/
tmp = schizo_read(p->controller_regs +
(is_pbm_a ?
SCHIZO_PCIA_CTRL :
SCHIZO_PCIB_CTRL));
tmp |= SCHIZO_PCICTRL_ARB;
if (is_tomatillo) {
#if 0
/* This is the recommended setting, but we'll just
* leave the value alone for now.
*/
tmp &= ~SCHIZO_PCICTRL_PTO;
tmp |= 0x1UL << SCHIZO_PCICTRL_PTO_SHIFT;
#endif
/* XXX Prefetch settings? */
} else {
tmp &= ~SCHIZO_PCICTRL_PTO;
}
schizo_write(p->controller_regs +
(is_pbm_a ?
SCHIZO_PCIA_CTRL :
SCHIZO_PCIB_CTRL), tmp);
/* Leave this at OBP initialized value on Tomatillo. */
if (!is_tomatillo) {
/* Disable TTO error reporting (won't happen anyway since we
* disabled the PCI interval timer above) and retry arbitration
* (can cause hangs in some Schizo revisions).
*/
tmp = schizo_read(p->controller_regs +
(is_pbm_a ?
SCHIZO_PCIA_DIAG :
SCHIZO_PCIB_DIAG));
tmp |= (SCHIZO_PCIDIAG_D_TTO | SCHIZO_PCIDIAG_D_RTRYARB);
schizo_write(p->controller_regs +
(is_pbm_a ?
SCHIZO_PCIA_DIAG :
SCHIZO_PCIB_DIAG), tmp);
}
}
static void __init schizo_pbm_init(struct pci_controller_info *p,
int prom_node, int is_pbm_a,
int is_tomatillo)
{ {
unsigned int busrange[2]; unsigned int busrange[2];
struct pci_pbm_info *pbm; struct pci_pbm_info *pbm;
int err; int err;
schizo_pbm_hw_init(p, is_pbm_a, is_tomatillo);
if (is_pbm_a) if (is_pbm_a)
pbm = &p->pbm_A; pbm = &p->pbm_A;
else else
pbm = &p->pbm_B; pbm = &p->pbm_B;
schizo_determine_mem_io_space(pbm, is_pbm_a, p->controller_regs); sprintf(pbm->name,
pbm_register_toplevel_resources(p, pbm); (is_tomatillo ?
"TOMATILLO%d PBM%c" :
"SCHIZO%d PBM%c"),
p->index,
(pbm == &p->pbm_A ? 'A' : 'B'));
schizo_determine_mem_io_space(pbm, is_pbm_a,
p->controller_regs, is_tomatillo);
pbm_register_toplevel_resources(p, pbm, is_tomatillo);
pbm->parent = p; pbm->parent = p;
pbm->prom_node = prom_node; pbm->prom_node = prom_node;
...@@ -1696,8 +1970,8 @@ static void schizo_pbm_init(struct pci_controller_info *p, ...@@ -1696,8 +1970,8 @@ static void schizo_pbm_init(struct pci_controller_info *p,
(char *)&pbm->pbm_intmask, (char *)&pbm->pbm_intmask,
sizeof(pbm->pbm_intmask)); sizeof(pbm->pbm_intmask));
if (err == -1) { if (err == -1) {
prom_printf("SCHIZO-PBM: Fatal error, no " prom_printf("%s: Fatal error, no "
"interrupt-map-mask.\n"); "interrupt-map-mask.\n", pbm->name);
prom_halt(); prom_halt();
} }
} else { } else {
...@@ -1709,82 +1983,30 @@ static void schizo_pbm_init(struct pci_controller_info *p, ...@@ -1709,82 +1983,30 @@ static void schizo_pbm_init(struct pci_controller_info *p,
(char *)&busrange[0], (char *)&busrange[0],
sizeof(busrange)); sizeof(busrange));
if (err == 0 || err == -1) { if (err == 0 || err == -1) {
prom_printf("SCHIZO-PBM: Fatal error, no bus-range.\n"); prom_printf("%s: Fatal error, no bus-range.\n", pbm->name);
prom_halt(); prom_halt();
} }
pbm->pci_first_busno = busrange[0]; pbm->pci_first_busno = busrange[0];
pbm->pci_last_busno = busrange[1]; pbm->pci_last_busno = busrange[1];
schizo_pbm_iommu_init(p, pbm, is_pbm_a); schizo_pbm_iommu_init(p, pbm, is_pbm_a, is_tomatillo);
schizo_pbm_strbuf_init(p, pbm, is_pbm_a); schizo_pbm_strbuf_init(p, pbm, is_pbm_a, is_tomatillo);
} }
#define SCHIZO_PCIA_IRQ_RETRY (SCHIZO_PBM_A_REGS_OFF + 0x1a00UL) static void __init __schizo_init(int node, char *model_name, int is_tomatillo)
#define SCHIZO_PCIB_IRQ_RETRY (SCHIZO_PBM_B_REGS_OFF + 0x1a00UL)
#define SCHIZO_IRQ_RETRY_INF 0xffUL
#define SCHIZO_PCIA_DIAG (SCHIZO_PBM_A_REGS_OFF + 0x2020UL)
#define SCHIZO_PCIB_DIAG (SCHIZO_PBM_B_REGS_OFF + 0x2020UL)
#define SCHIZO_PCIDIAG_D_BADECC (1UL << 10UL) /* Disable BAD ECC errors */
#define SCHIZO_PCIDIAG_D_BYPASS (1UL << 9UL) /* Disable MMU bypass mode */
#define SCHIZO_PCIDIAG_D_TTO (1UL << 8UL) /* Disable TTO errors */
#define SCHIZO_PCIDIAG_D_RTRYARB (1UL << 7UL) /* Disable retry arbitration */
#define SCHIZO_PCIDIAG_D_RETRY (1UL << 6UL) /* Disable retry limit */
#define SCHIZO_PCIDIAG_D_INTSYNC (1UL << 5UL) /* Disable interrupt/DMA synch */
#define SCHIZO_PCIDIAG_I_DMA_PARITY (1UL << 3UL) /* Invert DMA parity */
#define SCHIZO_PCIDIAG_I_PIOD_PARITY (1UL << 2UL) /* Invert PIO data parity */
#define SCHIZO_PCIDIAG_I_PIOA_PARITY (1UL << 1U)L /* Invert PIO address parity */
static void schizo_controller_hwinit(struct pci_controller_info *p)
{ {
unsigned long pbm_a_base, pbm_b_base; struct linux_prom64_registers pr_regs[4];
u64 tmp;
pbm_a_base = p->controller_regs + SCHIZO_PBM_A_REGS_OFF;
pbm_b_base = p->controller_regs + SCHIZO_PBM_B_REGS_OFF;
/* Set IRQ retry to infinity. */
schizo_write(p->controller_regs + SCHIZO_PCIA_IRQ_RETRY,
SCHIZO_IRQ_RETRY_INF);
schizo_write(p->controller_regs + SCHIZO_PCIB_IRQ_RETRY,
SCHIZO_IRQ_RETRY_INF);
/* Enable arbiter for all PCI slots. Also, disable PCI interval
* timer so that DTO (Discard TimeOuts) are not reported because
* some Schizo revisions report them erroneously.
*/
tmp = schizo_read(p->controller_regs + SCHIZO_PCIA_CTRL);
tmp |= SCHIZO_PCICTRL_ARB;
tmp &= ~SCHIZO_PCICTRL_PTO;
schizo_write(p->controller_regs + SCHIZO_PCIA_CTRL, tmp);
tmp = schizo_read(p->controller_regs + SCHIZO_PCIB_CTRL);
tmp |= SCHIZO_PCICTRL_ARB;
tmp &= ~SCHIZO_PCICTRL_PTO;
schizo_write(p->controller_regs + SCHIZO_PCIB_CTRL, tmp);
/* Disable TTO error reporting (won't happen anyway since we
* disabled the PCI interval timer above) and retry arbitration
* (can cause hangs in some Schizo revisions).
*/
tmp = schizo_read(p->controller_regs + SCHIZO_PCIA_DIAG);
tmp |= (SCHIZO_PCIDIAG_D_TTO | SCHIZO_PCIDIAG_D_RTRYARB);
schizo_write(p->controller_regs + SCHIZO_PCIA_DIAG, tmp);
tmp = schizo_read(p->controller_regs + SCHIZO_PCIB_DIAG);
tmp |= (SCHIZO_PCIDIAG_D_TTO | SCHIZO_PCIDIAG_D_RTRYARB);
schizo_write(p->controller_regs + SCHIZO_PCIB_DIAG, tmp);
}
void __init schizo_init(int node, char *model_name)
{
struct linux_prom64_registers pr_regs[3];
struct pci_controller_info *p; struct pci_controller_info *p;
struct pci_iommu *iommu; struct pci_iommu *iommu;
unsigned long flags; unsigned long flags;
u32 portid; u32 portid;
int is_pbm_a, err; int is_pbm_a, err;
const char *chipset_name;
if (is_tomatillo)
chipset_name = "TOMATILLO";
else
chipset_name = "SCHIZO";
portid = prom_getintdefault(node, "portid", 0xff); portid = prom_getintdefault(node, "portid", 0xff);
...@@ -1793,7 +2015,7 @@ void __init schizo_init(int node, char *model_name) ...@@ -1793,7 +2015,7 @@ void __init schizo_init(int node, char *model_name)
if (p->portid == portid) { if (p->portid == portid) {
spin_unlock_irqrestore(&pci_controller_lock, flags); spin_unlock_irqrestore(&pci_controller_lock, flags);
is_pbm_a = (p->pbm_A.prom_node == 0); is_pbm_a = (p->pbm_A.prom_node == 0);
schizo_pbm_init(p, node, is_pbm_a); schizo_pbm_init(p, node, is_pbm_a, 0);
return; return;
} }
} }
...@@ -1801,14 +2023,16 @@ void __init schizo_init(int node, char *model_name) ...@@ -1801,14 +2023,16 @@ void __init schizo_init(int node, char *model_name)
p = kmalloc(sizeof(struct pci_controller_info), GFP_ATOMIC); p = kmalloc(sizeof(struct pci_controller_info), GFP_ATOMIC);
if (!p) { if (!p) {
prom_printf("SCHIZO: Fatal memory allocation error.\n"); prom_printf("%s: Fatal memory allocation error.\n",
chipset_name);
prom_halt(); prom_halt();
} }
memset(p, 0, sizeof(*p)); memset(p, 0, sizeof(*p));
iommu = kmalloc(sizeof(struct pci_iommu), GFP_ATOMIC); iommu = kmalloc(sizeof(struct pci_iommu), GFP_ATOMIC);
if (!iommu) { if (!iommu) {
prom_printf("SCHIZO: Fatal memory allocation error.\n"); prom_printf("%s: Fatal memory allocation error.\n",
chipset_name);
prom_halt(); prom_halt();
} }
memset(iommu, 0, sizeof(*iommu)); memset(iommu, 0, sizeof(*iommu));
...@@ -1816,7 +2040,8 @@ void __init schizo_init(int node, char *model_name) ...@@ -1816,7 +2040,8 @@ void __init schizo_init(int node, char *model_name)
iommu = kmalloc(sizeof(struct pci_iommu), GFP_ATOMIC); iommu = kmalloc(sizeof(struct pci_iommu), GFP_ATOMIC);
if (!iommu) { if (!iommu) {
prom_printf("SCHIZO: Fatal memory allocation error.\n"); prom_printf("%s: Fatal memory allocation error.\n",
chipset_name);
prom_halt(); prom_halt();
} }
memset(iommu, 0, sizeof(*iommu)); memset(iommu, 0, sizeof(*iommu));
...@@ -1830,35 +2055,51 @@ void __init schizo_init(int node, char *model_name) ...@@ -1830,35 +2055,51 @@ void __init schizo_init(int node, char *model_name)
p->portid = portid; p->portid = portid;
p->index = pci_num_controllers++; p->index = pci_num_controllers++;
p->pbms_same_domain = 0; p->pbms_same_domain = 0;
p->scan_bus = schizo_scan_bus; p->scan_bus = (is_tomatillo ? tomatillo_scan_bus : schizo_scan_bus);
p->irq_build = schizo_irq_build; p->irq_build = schizo_irq_build;
p->base_address_update = schizo_base_address_update; p->base_address_update = schizo_base_address_update;
p->resource_adjust = schizo_resource_adjust; p->resource_adjust = schizo_resource_adjust;
p->pci_ops = &schizo_ops; p->pci_ops = &schizo_ops;
/* Three OBP regs: /* For SCHIZO, three OBP regs:
* 1) PBM controller regs * 1) PBM controller regs
* 2) Schizo front-end controller regs (same for both PBMs) * 2) Schizo front-end controller regs (same for both PBMs)
* 3) PBM PCI config space * 3) PBM PCI config space
*
* For TOMATILLO, four OBP regs:
* 1) PBM controller regs
* 2) Tomatillo front-end controller regs (same for both PBMs)
* 3) PBM PCI config space
* 4) Ichip regs
*/ */
err = prom_getproperty(node, "reg", err = prom_getproperty(node, "reg",
(char *)&pr_regs[0], (char *)&pr_regs[0],
sizeof(pr_regs)); sizeof(pr_regs));
if (err == 0 || err == -1) { if (err == 0 || err == -1) {
prom_printf("SCHIZO: Fatal error, no reg property.\n"); prom_printf("%s: Fatal error, no reg property.\n",
chipset_name);
prom_halt(); prom_halt();
} }
p->controller_regs = pr_regs[1].phys_addr - 0x10000UL; p->controller_regs = pr_regs[1].phys_addr - 0x10000UL;
printk("PCI: Found SCHIZO, control regs at %016lx\n", printk("PCI: Found %s, Port ID %x, control regs at %016lx\n",
chipset_name,
p->portid,
p->controller_regs); p->controller_regs);
/* Like PSYCHO we have a 2GB aligned area for memory space. */ /* Like PSYCHO we have a 2GB aligned area for memory space. */
pci_memspace_mask = 0x7fffffffUL; pci_memspace_mask = 0x7fffffffUL;
/* Init core controller. */
schizo_controller_hwinit(p);
is_pbm_a = ((pr_regs[0].phys_addr & 0x00700000) == 0x00600000); is_pbm_a = ((pr_regs[0].phys_addr & 0x00700000) == 0x00600000);
schizo_pbm_init(p, node, is_pbm_a); schizo_pbm_init(p, node, is_pbm_a, is_tomatillo);
}
void __init schizo_init(int node, char *model_name)
{
__schizo_init(node, model_name, 0);
}
void __init tomatillo_init(int node, char *model_name)
{
__schizo_init(node, model_name, 1);
} }
drivers/pci/pci.ids
View file @ d1dc17aa
...@@ -1855,6 +1855,7 @@ ...@@ -1855,6 +1855,7 @@
8001 Schizo PCI Bus Module 8001 Schizo PCI Bus Module
a000 Ultra IIi a000 Ultra IIi
a001 Ultra IIe a001 Ultra IIe
a801 Tomatillo PCI Bus Module
108f Systemsoft 108f Systemsoft
1090 Encore Computer Corporation 1090 Encore Computer Corporation
1091 Intergraph Corporation 1091 Intergraph Corporation
......
include/linux/pci_ids.h
View file @ d1dc17aa
...@@ -840,6 +840,7 @@ ...@@ -840,6 +840,7 @@
#define PCI_DEVICE_ID_SUN_SCHIZO 0x8001 #define PCI_DEVICE_ID_SUN_SCHIZO 0x8001
#define PCI_DEVICE_ID_SUN_SABRE 0xa000 #define PCI_DEVICE_ID_SUN_SABRE 0xa000
#define PCI_DEVICE_ID_SUN_HUMMINGBIRD 0xa001 #define PCI_DEVICE_ID_SUN_HUMMINGBIRD 0xa001
#define PCI_DEVICE_ID_SUN_TOMATILLO 0xa801
#define PCI_VENDOR_ID_CMD 0x1095 #define PCI_VENDOR_ID_CMD 0x1095
#define PCI_DEVICE_ID_CMD_640 0x0640 #define PCI_DEVICE_ID_CMD_640 0x0640
......
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