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体验新版 GitCode,发现更多精彩内容 >>
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256e4be8
编写于
12月 16, 2004
作者:
S
stroese
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
Tundra universe support added
上级
bcd0be5c
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
548 addition
and
0 deletion
+548
-0
common/cmd_universe.c
common/cmd_universe.c
+391
-0
include/universe.h
include/universe.h
+157
-0
未找到文件。
common/cmd_universe.c
0 → 100644
浏览文件 @
256e4be8
/*
* (C) Copyright 2003 Stefan Roese, stefan.roese@esd-electronics.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <malloc.h>
#include <asm/io.h>
#include <pci.h>
#include <universe.h>
#if (CONFIG_COMMANDS & CFG_CMD_UNIVERSE)
#undef DBG
#ifdef DBG
# define UNI_DBG(fmt) printf fmt
#else
# define UNI_DBG(fmt)
#endif
#define UNI_PRINT(fmt) printf fmt
#define PCI_VENDOR PCI_VENDOR_ID_TUNDRA
#define PCI_DEVICE PCI_DEVICE_ID_TUNDRA_CA91C042
typedef
struct
_UNI_DEV
UNI_DEV
;
struct
_UNI_DEV
{
int
bus
;
pci_dev_t
busdevfn
;
UNIVERSE
*
uregs
;
unsigned
int
pci_bs
;
};
static
UNI_DEV
*
dev
;
int
universe_init
(
void
)
{
int
j
,
result
,
lastError
=
0
;
pci_dev_t
busdevfn
;
unsigned
int
val
;
busdevfn
=
pci_find_device
(
PCI_VENDOR
,
PCI_DEVICE
,
0
);
if
(
busdevfn
==
-
1
)
{
puts
(
"No Tundra Universe found!
\n
"
);
return
-
1
;
}
/* Lets turn Latency off */
pci_write_config_dword
(
busdevfn
,
0x0c
,
0
);
dev
=
malloc
(
sizeof
(
*
dev
));
if
(
NULL
==
dev
)
{
puts
(
"UNIVERSE: No memory!
\n
"
);
result
=
-
1
;
goto
break_20
;
}
memset
(
dev
,
0
,
sizeof
(
*
dev
));
dev
->
busdevfn
=
busdevfn
;
pci_read_config_dword
(
busdevfn
,
PCI_BASE_ADDRESS_1
,
&
val
);
val
&=
~
0xf
;
dev
->
uregs
=
(
UNIVERSE
*
)
val
;
UNI_DBG
((
"UNIVERSE-Base : %p
\n
"
,
dev
->
uregs
));
/* check mapping */
UNI_DBG
((
" Read via mapping, PCI_ID = %08X
\n
"
,
readl
(
&
dev
->
uregs
->
pci_id
)));
if
(((
PCI_DEVICE
<<
16
)
|
PCI_VENDOR
)
!=
readl
(
&
dev
->
uregs
->
pci_id
))
{
UNI_PRINT
((
"UNIVERSE: Cannot read PCI-ID via Mapping: %08x
\n
"
,
readl
(
&
dev
->
uregs
->
pci_id
)));
result
=
-
1
;
goto
break_30
;
}
UNI_DBG
((
"PCI_BS = %08X
\n
"
,
readl
(
&
dev
->
uregs
->
pci_bs
)));
dev
->
pci_bs
=
readl
(
&
dev
->
uregs
->
pci_bs
);
/* turn off windows */
for
(
j
=
0
;
j
<
4
;
j
++
)
{
writel
(
0x00800000
,
&
dev
->
uregs
->
lsi
[
j
].
ctl
);
writel
(
0x00800000
,
&
dev
->
uregs
->
vsi
[
j
].
ctl
);
}
/*
* Write to Misc Register
* Set VME Bus Time-out
* Arbitration Mode
* DTACK Enable
*/
writel
(
0x15060000
,
&
dev
->
uregs
->
misc_ctl
);
/*
* Lets turn off interrupts
*/
writel
(
0x00000000
,
&
dev
->
uregs
->
lint_en
);
/* Disable interrupts in the Universe first */
writel
(
0x0000FFFF
,
&
dev
->
uregs
->
lint_stat
);
/* Clear Any Pending Interrupts */
eieio
();
writel
(
0x0000
,
&
dev
->
uregs
->
lint_map0
);
/* Map all ints to 0 */
writel
(
0x0000
,
&
dev
->
uregs
->
lint_map1
);
/* Map all ints to 0 */
eieio
();
break_30:
free
(
dev
);
break_20:
lastError
=
result
;
return
0
;
}
/*
* Create pci slave window (access: pci -> vme)
*/
int
universe_pci_slave_window
(
unsigned
int
pciAddr
,
unsigned
int
vmeAddr
,
int
size
,
int
vam
,
int
pms
,
int
vdw
)
{
int
result
,
i
;
unsigned
int
ctl
=
0
;
if
(
NULL
==
dev
)
{
result
=
-
1
;
goto
exit_10
;
}
for
(
i
=
0
;
i
<
4
;
i
++
)
{
if
(
0x00800000
==
readl
(
&
dev
->
uregs
->
lsi
[
i
].
ctl
))
break
;
}
if
(
i
==
4
)
{
UNI_PRINT
((
"universe: No Image available
\n
"
));
result
=
-
1
;
goto
exit_10
;
}
UNI_DBG
((
"universe: Using image %d
\n
"
,
i
));
writel
(
pciAddr
,
&
dev
->
uregs
->
lsi
[
i
].
bs
);
writel
((
pciAddr
+
size
),
&
dev
->
uregs
->
lsi
[
i
].
bd
);
writel
((
vmeAddr
-
pciAddr
),
&
dev
->
uregs
->
lsi
[
i
].
to
);
switch
(
vam
&
VME_AM_Axx
)
{
case
VME_AM_A16
:
ctl
=
0x00000000
;
break
;
case
VME_AM_A24
:
ctl
=
0x00010000
;
break
;
case
VME_AM_A32
:
ctl
=
0x00020000
;
break
;
}
switch
(
vam
&
VME_AM_Mxx
)
{
case
VME_AM_DATA
:
ctl
|=
0x00000000
;
break
;
case
VME_AM_PROG
:
ctl
|=
0x00008000
;
break
;
}
if
(
vam
&
VME_AM_SUP
)
{
ctl
|=
0x00001000
;
}
switch
(
vdw
&
VME_FLAG_Dxx
)
{
case
VME_FLAG_D8
:
ctl
|=
0x00000000
;
break
;
case
VME_FLAG_D16
:
ctl
|=
0x00400000
;
break
;
case
VME_FLAG_D32
:
ctl
|=
0x00800000
;
break
;
}
switch
(
pms
&
PCI_MS_Mxx
)
{
case
PCI_MS_MEM
:
ctl
=
0x00000000
;
break
;
case
PCI_MS_IO
:
ctl
=
0x00000001
;
break
;
case
PCI_MS_CONFIG
:
ctl
=
0x00000002
;
break
;
}
ctl
|=
0x80000000
;
/* enable */
writel
(
ctl
,
&
dev
->
uregs
->
lsi
[
i
].
ctl
);
UNI_DBG
((
"universe: window-addr=%p
\n
"
,
&
dev
->
uregs
->
lsi
[
i
].
ctl
));
UNI_DBG
((
"universe: pci slave window[%d] ctl=%08x
\n
"
,
i
,
readl
(
&
dev
->
uregs
->
lsi
[
i
].
ctl
)));
UNI_DBG
((
"universe: pci slave window[%d] bs=%08x
\n
"
,
i
,
readl
(
&
dev
->
uregs
->
lsi
[
i
].
bs
)));
UNI_DBG
((
"universe: pci slave window[%d] bd=%08x
\n
"
,
i
,
readl
(
&
dev
->
uregs
->
lsi
[
i
].
bd
)));
UNI_DBG
((
"universe: pci slave window[%d] to=%08x
\n
"
,
i
,
readl
(
&
dev
->
uregs
->
lsi
[
i
].
to
)));
return
0
;
exit_10:
return
-
result
;
}
/*
* Create vme slave window (access: vme -> pci)
*/
int
universe_vme_slave_window
(
unsigned
int
vmeAddr
,
unsigned
int
pciAddr
,
int
size
,
int
vam
,
int
pms
)
{
int
result
,
i
;
unsigned
int
ctl
=
0
;
if
(
NULL
==
dev
)
{
result
=
-
1
;
goto
exit_10
;
}
for
(
i
=
0
;
i
<
4
;
i
++
)
{
if
(
0x00800000
==
readl
(
&
dev
->
uregs
->
vsi
[
i
].
ctl
))
break
;
}
if
(
i
==
4
)
{
UNI_PRINT
((
"universe: No Image available
\n
"
));
result
=
-
1
;
goto
exit_10
;
}
UNI_DBG
((
"universe: Using image %d
\n
"
,
i
));
writel
(
vmeAddr
,
&
dev
->
uregs
->
vsi
[
i
].
bs
);
writel
((
vmeAddr
+
size
),
&
dev
->
uregs
->
vsi
[
i
].
bd
);
writel
((
pciAddr
-
vmeAddr
),
&
dev
->
uregs
->
vsi
[
i
].
to
);
switch
(
vam
&
VME_AM_Axx
)
{
case
VME_AM_A16
:
ctl
=
0x00000000
;
break
;
case
VME_AM_A24
:
ctl
=
0x00010000
;
break
;
case
VME_AM_A32
:
ctl
=
0x00020000
;
break
;
}
switch
(
vam
&
VME_AM_Mxx
)
{
case
VME_AM_DATA
:
ctl
|=
0x00000000
;
break
;
case
VME_AM_PROG
:
ctl
|=
0x00800000
;
break
;
}
if
(
vam
&
VME_AM_SUP
)
{
ctl
|=
0x00100000
;
}
switch
(
pms
&
PCI_MS_Mxx
)
{
case
PCI_MS_MEM
:
ctl
=
0x00000000
;
break
;
case
PCI_MS_IO
:
ctl
=
0x00000001
;
break
;
case
PCI_MS_CONFIG
:
ctl
=
0x00000002
;
break
;
}
ctl
|=
0x80f00000
;
/* enable */
writel
(
ctl
,
&
dev
->
uregs
->
vsi
[
i
].
ctl
);
UNI_DBG
((
"universe: window-addr=%p
\n
"
,
&
dev
->
uregs
->
vsi
[
i
].
ctl
));
UNI_DBG
((
"universe: vme slave window[%d] ctl=%08x
\n
"
,
i
,
readl
(
&
dev
->
uregs
->
vsi
[
i
].
ctl
)));
UNI_DBG
((
"universe: vme slave window[%d] bs=%08x
\n
"
,
i
,
readl
(
&
dev
->
uregs
->
vsi
[
i
].
bs
)));
UNI_DBG
((
"universe: vme slave window[%d] bd=%08x
\n
"
,
i
,
readl
(
&
dev
->
uregs
->
vsi
[
i
].
bd
)));
UNI_DBG
((
"universe: vme slave window[%d] to=%08x
\n
"
,
i
,
readl
(
&
dev
->
uregs
->
vsi
[
i
].
to
)));
return
0
;
exit_10:
return
-
result
;
}
/*
* Tundra Universe configuration
*/
int
do_universe
(
cmd_tbl_t
*
cmdtp
,
int
flag
,
int
argc
,
char
*
argv
[])
{
ulong
addr1
=
0
,
addr2
=
0
,
size
=
0
,
vam
=
0
,
pms
=
0
,
vdw
=
0
;
char
cmd
=
'x'
;
/* get parameter */
if
(
argc
>
1
)
cmd
=
argv
[
1
][
0
];
if
(
argc
>
2
)
addr1
=
simple_strtoul
(
argv
[
2
],
NULL
,
16
);
if
(
argc
>
3
)
addr2
=
simple_strtoul
(
argv
[
3
],
NULL
,
16
);
if
(
argc
>
4
)
size
=
simple_strtoul
(
argv
[
4
],
NULL
,
16
);
if
(
argc
>
5
)
vam
=
simple_strtoul
(
argv
[
5
],
NULL
,
16
);
if
(
argc
>
6
)
pms
=
simple_strtoul
(
argv
[
6
],
NULL
,
16
);
if
(
argc
>
7
)
vdw
=
simple_strtoul
(
argv
[
7
],
NULL
,
16
);
switch
(
cmd
)
{
case
'i'
:
/* init */
universe_init
();
break
;
case
'v'
:
/* vme */
printf
(
"Configuring Universe VME Slave Window (VME->PCI):
\n
"
);
printf
(
" vme=%08lx pci=%08lx size=%08lx vam=%02lx pms=%02lx
\n
"
,
addr1
,
addr2
,
size
,
vam
,
pms
);
universe_vme_slave_window
(
addr1
,
addr2
,
size
,
vam
,
pms
);
break
;
case
'p'
:
/* pci */
printf
(
"Configuring Universe PCI Slave Window (PCI->VME):
\n
"
);
printf
(
" pci=%08lx vme=%08lx size=%08lx vam=%02lx pms=%02lx vdw=%02lx
\n
"
,
addr1
,
addr2
,
size
,
vam
,
pms
,
vdw
);
universe_pci_slave_window
(
addr1
,
addr2
,
size
,
vam
,
pms
,
vdw
);
break
;
default:
printf
(
"Universe command %s not supported!
\n
"
,
argv
[
1
]);
}
return
0
;
}
U_BOOT_CMD
(
universe
,
8
,
1
,
do_universe
,
"universe- initialize and configure Turndra Universe
\n
"
,
"init
\n
"
" - initialize universe
\n
"
"universe vme [vme_addr] [pci_addr] [size] [vam] [pms]
\n
"
" - create vme slave window (access: vme->pci)
\n
"
"universe pci [pci_addr] [vme_addr] [size] [vam] [pms] [vdw]
\n
"
" - create pci slave window (access: pci->vme)
\n
"
" [vam] = VMEbus Address-Modifier: 01 -> A16 Address Space
\n
"
" 02 -> A24 Address Space
\n
"
" 03 -> A32 Address Space
\n
"
" 04 -> Supervisor AM Code
\n
"
" 10 -> Data AM Code
\n
"
" 20 -> Program AM Code
\n
"
" [pms] = PCI Memory Space: 01 -> Memory Space
\n
"
" 02 -> I/O Space
\n
"
" 03 -> Configuration Space
\n
"
" [vdw] = VMEbus Maximum Datawidth: 01 -> D8 Data Width
\n
"
" 02 -> D16 Data Width
\n
"
" 03 -> D32 Data Width
\n
"
);
#endif
/* (CONFIG_COMMANDS & CFG_CMD_UNIVERSE) */
include/universe.h
0 → 100644
浏览文件 @
256e4be8
/*
* (C) Copyright 2003 Stefan Roese, stefan.roese@esd-electronics.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _universe_h
#define _universe_h
typedef
struct
_UNIVERSE
UNIVERSE
;
typedef
struct
_SLAVE_IMAGE
SLAVE_IMAGE
;
typedef
struct
_TDMA_CMD_PACKET
TDMA_CMD_PACKET
;
struct
_SLAVE_IMAGE
{
unsigned
int
ctl
;
/* Control */
unsigned
int
bs
;
/* Base */
unsigned
int
bd
;
/* Bound */
unsigned
int
to
;
/* Translation */
unsigned
int
reserved
;
};
struct
_UNIVERSE
{
unsigned
int
pci_id
;
unsigned
int
pci_csr
;
unsigned
int
pci_class
;
unsigned
int
pci_misc0
;
unsigned
int
pci_bs
;
unsigned
int
spare0
[
10
];
unsigned
int
pci_misc1
;
unsigned
int
spare1
[
48
];
SLAVE_IMAGE
lsi
[
4
];
unsigned
int
spare2
[
8
];
unsigned
int
scyc_ctl
;
unsigned
int
scyc_addr
;
unsigned
int
scyc_en
;
unsigned
int
scyc_cmp
;
unsigned
int
scyc_swp
;
unsigned
int
lmisc
;
unsigned
int
slsi
;
unsigned
int
l_cmderr
;
unsigned
int
laerr
;
unsigned
int
spare3
[
27
];
unsigned
int
dctl
;
unsigned
int
dtbc
;
unsigned
int
dla
;
unsigned
int
spare4
[
1
];
unsigned
int
dva
;
unsigned
int
spare5
[
1
];
unsigned
int
dcpp
;
unsigned
int
spare6
[
1
];
unsigned
int
dgcs
;
unsigned
int
d_llue
;
unsigned
int
spare7
[
54
];
unsigned
int
lint_en
;
unsigned
int
lint_stat
;
unsigned
int
lint_map0
;
unsigned
int
lint_map1
;
unsigned
int
vint_en
;
unsigned
int
vint_stat
;
unsigned
int
vint_map0
;
unsigned
int
vint_map1
;
unsigned
int
statid
;
unsigned
int
vx_statid
[
7
];
unsigned
int
spare8
[
48
];
unsigned
int
mast_ctl
;
unsigned
int
misc_ctl
;
unsigned
int
misc_stat
;
unsigned
int
user_am
;
unsigned
int
spare9
[
700
];
SLAVE_IMAGE
vsi
[
4
];
unsigned
int
spare10
[
8
];
unsigned
int
vrai_ctl
;
unsigned
int
vrai_bs
;
unsigned
int
spare11
[
2
];
unsigned
int
vcsr_ctl
;
unsigned
int
vcsr_to
;
unsigned
int
v_amerr
;
unsigned
int
vaerr
;
unsigned
int
spare12
[
25
];
unsigned
int
vcsr_clr
;
unsigned
int
vcsr_set
;
unsigned
int
vcsr_bs
;
};
#define IRQ_VOWN 0x0001
#define IRQ_VIRQ1 0x0002
#define IRQ_VIRQ2 0x0004
#define IRQ_VIRQ3 0x0008
#define IRQ_VIRQ4 0x0010
#define IRQ_VIRQ5 0x0020
#define IRQ_VIRQ6 0x0040
#define IRQ_VIRQ7 0x0080
#define IRQ_DMA 0x0100
#define IRQ_LERR 0x0200
#define IRQ_VERR 0x0400
#define IRQ_res 0x0800
#define IRQ_IACK 0x1000
#define IRQ_SWINT 0x2000
#define IRQ_SYSFAIL 0x4000
#define IRQ_ACFAIL 0x8000
struct
_TDMA_CMD_PACKET
{
unsigned
int
dctl
;
/* DMA Control */
unsigned
int
dtbc
;
/* Transfer Byte Count */
unsigned
int
dlv
;
/* PCI Address */
unsigned
int
res1
;
/* Reserved */
unsigned
int
dva
;
/* Vme Address */
unsigned
int
res2
;
/* Reserved */
unsigned
int
dcpp
;
/* Pointer to Numed Cmd Packet with rPN */
unsigned
int
res3
;
/* Reserved */
};
#define VME_AM_A16 0x01
#define VME_AM_A24 0x02
#define VME_AM_A32 0x03
#define VME_AM_Axx 0x03
#define VME_AM_SUP 0x04
#define VME_AM_DATA 0x10
#define VME_AM_PROG 0x20
#define VME_AM_Mxx 0x30
#define VME_FLAG_D8 0x01
#define VME_FLAG_D16 0x02
#define VME_FLAG_D32 0x03
#define VME_FLAG_Dxx 0x03
#define PCI_MS_MEM 0x01
#define PCI_MS_IO 0x02
#define PCI_MS_CONFIG 0x03
#define PCI_MS_Mxx 0x03
#endif
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