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nexedi
linux
Commits
62d06165
Commit
62d06165
authored
Nov 08, 2002
by
Paul Mackerras
Browse files
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Plain Diff
PPC32: Improved support for PReP platforms, forward-ported from 2.4.
parent
a0e3935f
Changes
2
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Showing
2 changed files
with
566 additions
and
253 deletions
+566
-253
arch/ppc/platforms/prep_pci.c
arch/ppc/platforms/prep_pci.c
+91
-102
arch/ppc/platforms/prep_setup.c
arch/ppc/platforms/prep_setup.c
+475
-151
No files found.
arch/ppc/platforms/prep_pci.c
View file @
62d06165
...
...
@@ -24,6 +24,7 @@
#include <asm/machdep.h>
#include <asm/open_pic.h>
extern
void
(
*
setup_ibm_pci
)(
char
*
irq_lo
,
char
*
irq_hi
);
/* Which PCI interrupt line does a given device [slot] use? */
/* Note: This really should be two dimensional based in slot/pin used */
...
...
@@ -612,6 +613,7 @@ static unsigned char prep_pci_intpins[4][4] __prepdata =
#define ELCRM_INT7_LVL 0x80
#define ELCRM_INT5_LVL 0x20
#if 0
/*
* PCI config space access.
*/
...
...
@@ -686,6 +688,7 @@ static struct pci_ops prep_pci_ops =
prep_read_config,
prep_write_config
};
#endif
#define MOTOROLA_CPUTYPE_REG 0x800
#define MOTOROLA_BASETYPE_REG 0x803
...
...
@@ -695,7 +698,7 @@ static struct pci_ops prep_pci_ops =
static
u_char
prep_openpic_initsenses
[]
__initdata
=
{
(
IRQ_SENSE_LEVEL
|
IRQ_POLARITY_POSITIVE
),
/* MVME2600_INT_SIO */
(
IRQ_SENSE_EDGE
|
IRQ_POLARITY_NEGATIVE
),
/* MVME2600_INT_FALCO
N_ECC_ERR */
(
IRQ_SENSE_EDGE
|
IRQ_POLARITY_NEGATIVE
),
/* MVME2600_INT_FALC
N_ECC_ERR */
(
IRQ_SENSE_LEVEL
|
IRQ_POLARITY_NEGATIVE
),
/* MVME2600_INT_PCI_ETHERNET */
(
IRQ_SENSE_LEVEL
|
IRQ_POLARITY_NEGATIVE
),
/* MVME2600_INT_PCI_SCSI */
(
IRQ_SENSE_LEVEL
|
IRQ_POLARITY_NEGATIVE
),
/* MVME2600_INT_PCI_GRAPHICS */
...
...
@@ -834,32 +837,51 @@ struct mot_info {
void
__init
ibm_prep_init
(
void
)
{
u32
addr
;
#ifdef CONFIG_PREP_RESIDUAL
u32
addr
,
real_addr
,
len
;
PPC_DEVICE
*
mpic
;
#endif
PnP_TAG_PACKET
*
pkt
;
if
(
inb
(
0x0852
)
==
0xd5
)
{
/* This is for the 43p-140 */
early_read_config_dword
(
0
,
0
,
PCI_DEVFN
(
13
,
0
),
PCI_BASE_ADDRESS_0
,
&
addr
);
if
(
addr
!=
0xffffffff
&&
!
(
addr
&
PCI_BASE_ADDRESS_SPACE_IO
)
&&
(
addr
&=
PCI_BASE_ADDRESS_MEM_MASK
)
!=
0
)
{
addr
+=
PREP_ISA_MEM_BASE
;
OpenPIC_Addr
=
ioremap
(
addr
,
0x40000
);
ppc_md
.
get_irq
=
openpic_get_irq
;
OpenPIC_InitSenses
=
prep_openpic_initsenses
;
OpenPIC_NumInitSenses
=
sizeof
(
prep_openpic_initsenses
);
}
}
#ifdef CONFIG_PREP_RESIDUAL
/* Use the PReP residual data to determine if an OpenPIC is
* present. If so, get the large vendor packet which will
* tell us the base address and length in memory.
* If we are successful, ioremap the memory area and set
* OpenPIC_Addr (this indicates that the OpenPIC was found).
*/
mpic
=
residual_find_device
(
-
1
,
NULL
,
SystemPeripheral
,
ProgrammableInterruptController
,
MPIC
,
0
);
if
(
mpic
!=
NULL
)
printk
(
"mpic = %p
\n
"
,
mpic
);
ProgrammableInterruptController
,
MPIC
,
0
);
if
(
!
mpic
)
return
;
pkt
=
PnP_find_large_vendor_packet
(
res
->
DevicePnPHeap
+
mpic
->
AllocatedOffset
,
9
,
0
);
if
(
!
pkt
)
return
;
#define p pkt->L4_Pack.L4_Data.L4_PPCPack
if
(
!
((
p
.
PPCData
[
0
]
==
2
)
&&
(
p
.
PPCData
[
1
]
==
32
)))
return
;
/* not a 32-bit memory address */
real_addr
=
ld_le32
((
unsigned
int
*
)
(
p
.
PPCData
+
4
));
if
(
real_addr
==
0xffffffff
)
return
;
/* Adjust address to be as seen by CPU */
addr
=
real_addr
+
PREP_ISA_MEM_BASE
;
len
=
ld_le32
((
unsigned
int
*
)
(
p
.
PPCData
+
12
));
if
(
!
len
)
return
;
#undef p
OpenPIC_Addr
=
ioremap
(
addr
,
len
);
ppc_md
.
get_irq
=
openpic_get_irq
;
OpenPIC_InitSenses
=
prep_openpic_initsenses
;
OpenPIC_NumInitSenses
=
sizeof
(
prep_openpic_initsenses
);
printk
(
KERN_INFO
"MPIC at 0x%08x (0x%08x), length 0x%08x "
"mapped to 0x%p
\n
"
,
addr
,
real_addr
,
len
,
OpenPIC_Addr
);
#endif
}
...
...
@@ -879,6 +901,47 @@ ibm43p_pci_map_non0(struct pci_dev *dev)
pci_write_config_byte
(
dev
,
PCI_INTERRUPT_LINE
,
dev
->
irq
);
}
void
__init
prep_sandalfoot_setup_pci
(
char
*
irq_edge_mask_lo
,
char
*
irq_edge_mask_hi
)
{
Motherboard_map_name
=
"IBM 6015/7020 (Sandalfoot/Sandalbow)"
;
Motherboard_map
=
ibm6015_pci_IRQ_map
;
Motherboard_routes
=
ibm6015_pci_IRQ_routes
;
*
irq_edge_mask_lo
=
0x00
;
/* irq's 0-7 all edge-triggered */
*
irq_edge_mask_hi
=
0xA0
;
/* irq's 13, 15 level-triggered */
}
void
__init
prep_thinkpad_setup_pci
(
char
*
irq_edge_mask_lo
,
char
*
irq_edge_mask_hi
)
{
Motherboard_map_name
=
"IBM Thinkpad 850/860"
;
Motherboard_map
=
Nobis_pci_IRQ_map
;
Motherboard_routes
=
Nobis_pci_IRQ_routes
;
*
irq_edge_mask_lo
=
0x00
;
/* irq's 0-7 all edge-triggered */
*
irq_edge_mask_hi
=
0xA0
;
/* irq's 13, 15 level-triggered */
}
void
__init
prep_carolina_setup_pci
(
char
*
irq_edge_mask_lo
,
char
*
irq_edge_mask_hi
)
{
Motherboard_map_name
=
"IBM 7248, PowerSeries 830/850 (Carolina)"
;
Motherboard_map
=
ibm8xx_pci_IRQ_map
;
Motherboard_routes
=
ibm8xx_pci_IRQ_routes
;
*
irq_edge_mask_lo
=
0x00
;
/* irq's 0-7 all edge-triggered */
*
irq_edge_mask_hi
=
0xA4
;
/* irq's 10, 13, 15 level-triggered */
}
void
__init
prep_tiger1_setup_pci
(
char
*
irq_edge_mask_lo
,
char
*
irq_edge_mask_hi
)
{
Motherboard_map_name
=
"IBM 43P-140 (Tiger1)"
;
Motherboard_map
=
ibm43p_pci_IRQ_map
;
Motherboard_routes
=
ibm43p_pci_IRQ_routes
;
Motherboard_non0
=
ibm43p_pci_map_non0
;
*
irq_edge_mask_lo
=
0x00
;
/* irq's 0-7 all edge-triggered */
*
irq_edge_mask_hi
=
0xA0
;
/* irq's 13, 15 level-triggered */
}
void
__init
prep_route_pci_interrupts
(
void
)
{
...
...
@@ -948,52 +1011,12 @@ prep_route_pci_interrupts(void)
outb
(
(
irq_mode
>>
8
)
&
0xff
,
0x4d1
);
}
}
else
if
(
_prep_type
==
_PREP_IBM
)
{
unsigned
char
planar_id
=
inb
(
0x0852
);
unsigned
char
irq_edge_mask_lo
,
irq_edge_mask_hi
;
printk
(
"IBM ID: %08x
\n
"
,
planar_id
);
switch
(
planar_id
)
{
case
0xff
:
Motherboard_map_name
=
"IBM Thinkpad 850/860"
;
Motherboard_map
=
Nobis_pci_IRQ_map
;
Motherboard_routes
=
Nobis_pci_IRQ_routes
;
irq_edge_mask_lo
=
0x00
;
/* irq's 0-7 all edge-triggered */
irq_edge_mask_hi
=
0xA0
;
/* irq's 13, 15 level-triggered */
break
;
case
0xfc
:
Motherboard_map_name
=
"IBM 6015/7020 (Sandalfoot/Sandalbow)"
;
Motherboard_map
=
ibm6015_pci_IRQ_map
;
Motherboard_routes
=
ibm6015_pci_IRQ_routes
;
irq_edge_mask_lo
=
0x00
;
/* irq's 0-7 all edge-triggered */
irq_edge_mask_hi
=
0xA0
;
/* irq's 13, 15 level-triggered */
break
;
case
0xd5
:
Motherboard_map_name
=
"IBM 43P-140 (Tiger1)"
;
Motherboard_map
=
ibm43p_pci_IRQ_map
;
Motherboard_routes
=
ibm43p_pci_IRQ_routes
;
Motherboard_non0
=
ibm43p_pci_map_non0
;
irq_edge_mask_lo
=
0x00
;
/* irq's 0-7 all edge-triggered */
irq_edge_mask_hi
=
0xA0
;
/* irq's 13, 15 level-triggered */
break
;
default:
printk
(
KERN_ERR
"Unknown IBM motherboard! Defaulting to Carolina.
\n
"
);
case
0xf0
:
/* PowerSeries 830/850 */
case
0xf1
:
/* PowerSeries 830/850 */
case
0xf2
:
/* PowerSeries 830/850 */
case
0xf4
:
/* 7248-43P */
case
0xf5
:
/* 7248-43P */
case
0xf6
:
/* 7248-43P */
case
0xf7
:
/* 7248-43P (missing from Carolina Tech Spec) */
Motherboard_map_name
=
"IBM PS830/PS850/7248 (Carolina)"
;
Motherboard_map
=
ibm8xx_pci_IRQ_map
;
Motherboard_routes
=
ibm8xx_pci_IRQ_routes
;
irq_edge_mask_lo
=
0x00
;
/* irq's 0-7 all edge-triggered */
irq_edge_mask_hi
=
0xA4
;
/* irq's 10, 13, 15 level-triggered */
break
;
}
setup_ibm_pci
(
&
irq_edge_mask_lo
,
&
irq_edge_mask_hi
);
outb
(
inb
(
0x04d0
)
|
irq_edge_mask_lo
,
0x
0
4d0
);
/* primary 8259 */
outb
(
inb
(
0x04d1
)
|
irq_edge_mask_hi
,
0x
0
4d1
);
/* cascaded 8259 */
outb
(
inb
(
0x04d0
)
|
irq_edge_mask_lo
,
0x4d0
);
/* primary 8259 */
outb
(
inb
(
0x04d1
)
|
irq_edge_mask_hi
,
0x4d1
);
/* cascaded 8259 */
}
else
{
printk
(
"No known machine pci routing!
\n
"
);
return
;
...
...
@@ -1151,7 +1174,6 @@ prep_pcibios_fixup(void)
struct
pci_dev
*
dev
;
extern
unsigned
char
*
Motherboard_map
;
extern
unsigned
char
*
Motherboard_routes
;
unsigned
char
i
;
prep_route_pci_interrupts
();
...
...
@@ -1182,38 +1204,6 @@ prep_pcibios_fixup(void)
*/
unsigned
char
d
=
PCI_SLOT
(
dev
->
devfn
);
dev
->
irq
=
Motherboard_routes
[
Motherboard_map
[
d
]];
for
(
i
=
0
;
i
<=
5
;
i
++
)
{
/*
* Relocate PCI I/O resources if necessary so the
* standard 256MB BAT covers them.
*/
if
(
(
pci_resource_flags
(
dev
,
i
)
&
IORESOURCE_IO
)
&&
(
dev
->
resource
[
i
].
start
>
0x10000000
))
{
printk
(
"Relocating PCI address %lx -> %lx
\n
"
,
dev
->
resource
[
i
].
start
,
(
dev
->
resource
[
i
].
start
&
0x00FFFFFF
)
|
0x01000000
);
dev
->
resource
[
i
].
start
=
(
dev
->
resource
[
i
].
start
&
0x00FFFFFF
)
|
0x01000000
;
pci_write_config_dword
(
dev
,
PCI_BASE_ADDRESS_0
+
(
i
*
0x4
),
dev
->
resource
[
i
].
start
);
dev
->
resource
[
i
].
end
=
(
dev
->
resource
[
i
].
end
&
0x00FFFFFF
)
|
0x01000000
;
}
}
#if 0
/*
* If we have residual data and if it knows about this
* device ask it what the irq is.
* -- Cort
*/
ppcd = residual_find_device_id( ~0L, dev->device,
-1,-1,-1, 0);
#endif
}
}
...
...
@@ -1270,9 +1260,8 @@ prep_find_bridges(void)
prep_init_resource
(
&
hose
->
io_resource
,
0
,
0x007fffff
,
IORESOURCE_IO
);
prep_init_resource
(
&
hose
->
mem_resources
[
0
],
0xc0000000
,
0xfeffffff
,
IORESOURCE_MEM
);
/* XXX why can't we use the indirect config space access method? */
hose
->
cfg_data
=
ioremap
(
PREP_ISA_IO_BASE
+
0x800000
,
0x800000
);
hose
->
ops
=
&
prep_pci_ops
;
setup_indirect_pci
(
hose
,
PREP_ISA_IO_BASE
+
0xcf8
,
PREP_ISA_IO_BASE
+
0xcfc
);
printk
(
"PReP architecture
\n
"
);
#ifdef CONFIG_PREP_RESIDUAL
...
...
arch/ppc/platforms/prep_setup.c
View file @
62d06165
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