Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
L
linux
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Kirill Smelkov
linux
Commits
65bda1a9
Commit
65bda1a9
authored
Feb 22, 2005
by
Maciej W. Rozycki
Committed by
Ralf Baechle
Oct 29, 2005
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Switch SiByte drivers back to __raw_*() functions.
Signed-off-by:
Ralf Baechle
<
ralf@linux-mips.org
>
parent
4912ba72
Changes
11
Show whitespace changes
Inline
Side-by-side
Showing
11 changed files
with
221 additions
and
210 deletions
+221
-210
arch/mips/mm/pg-sb1.c
arch/mips/mm/pg-sb1.c
+14
-14
arch/mips/sibyte/sb1250/bcm1250_tbprof.c
arch/mips/sibyte/sb1250/bcm1250_tbprof.c
+68
-62
arch/mips/sibyte/sb1250/bus_watcher.c
arch/mips/sibyte/sb1250/bus_watcher.c
+1
-1
arch/mips/sibyte/sb1250/irq.c
arch/mips/sibyte/sb1250/irq.c
+46
-42
arch/mips/sibyte/sb1250/setup.c
arch/mips/sibyte/sb1250/setup.c
+2
-2
arch/mips/sibyte/sb1250/smp.c
arch/mips/sibyte/sb1250/smp.c
+9
-9
arch/mips/sibyte/sb1250/time.c
arch/mips/sibyte/sb1250/time.c
+13
-13
arch/mips/sibyte/swarm/rtc_m41t81.c
arch/mips/sibyte/swarm/rtc_m41t81.c
+24
-23
arch/mips/sibyte/swarm/rtc_xicor1241.c
arch/mips/sibyte/swarm/rtc_xicor1241.c
+21
-21
arch/mips/sibyte/swarm/time.c
arch/mips/sibyte/swarm/time.c
+22
-22
include/asm-mips/sibyte/sb1250.h
include/asm-mips/sibyte/sb1250.h
+1
-1
No files found.
arch/mips/mm/pg-sb1.c
View file @
65bda1a9
...
...
@@ -214,12 +214,12 @@ void sb1_dma_init(void)
int
cpu
=
smp_processor_id
();
u64
base_val
=
CPHYSADDR
(
&
page_descr
[
cpu
])
|
V_DM_DSCR_BASE_RINGSZ
(
1
);
bus
_writeq
(
base_val
,
(
void
*
)
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE
)));
bus
_writeq
(
base_val
|
M_DM_DSCR_BASE_RESET
,
(
void
*
)
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE
)));
bus
_writeq
(
base_val
|
M_DM_DSCR_BASE_ENABL
,
(
void
*
)
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE
)));
__raw
_writeq
(
base_val
,
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE
)));
__raw
_writeq
(
base_val
|
M_DM_DSCR_BASE_RESET
,
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE
)));
__raw
_writeq
(
base_val
|
M_DM_DSCR_BASE_ENABL
,
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE
)));
}
void
clear_page
(
void
*
page
)
...
...
@@ -232,16 +232,16 @@ void clear_page(void *page)
page_descr
[
cpu
].
dscr_a
=
CPHYSADDR
(
page
)
|
M_DM_DSCRA_ZERO_MEM
|
M_DM_DSCRA_L2C_DEST
|
M_DM_DSCRA_INTERRUPT
;
page_descr
[
cpu
].
dscr_b
=
V_DM_DSCRB_SRC_LENGTH
(
PAGE_SIZE
);
bus_writeq
(
1
,
(
void
*
)
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_COUNT
)));
__raw_writeq
(
1
,
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_COUNT
)));
/*
* Don't really want to do it this way, but there's no
* reliable way to delay completion detection.
*/
while
(
!
(
bus_readq
((
void
*
)(
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE_DEBUG
))
&
M_DM_DSCR_BASE_INTERRUPT
)
)))
while
(
!
(
__raw_readq
(
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE_DEBUG
)))
M_DM_DSCR_BASE_INTERRUPT
)))
;
bus_readq
((
void
*
)
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE
)));
__raw_readq
(
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE
)));
}
void
copy_page
(
void
*
to
,
void
*
from
)
...
...
@@ -257,16 +257,16 @@ void copy_page(void *to, void *from)
page_descr
[
cpu
].
dscr_a
=
CPHYSADDR
(
to_phys
)
|
M_DM_DSCRA_L2C_DEST
|
M_DM_DSCRA_INTERRUPT
;
page_descr
[
cpu
].
dscr_b
=
CPHYSADDR
(
from_phys
)
|
V_DM_DSCRB_SRC_LENGTH
(
PAGE_SIZE
);
bus_writeq
(
1
,
(
void
*
)
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_COUNT
)));
__raw_writeq
(
1
,
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_COUNT
)));
/*
* Don't really want to do it this way, but there's no
* reliable way to delay completion detection.
*/
while
(
!
(
bus_readq
((
void
*
)
(
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE_DEBUG
))
&
M_DM_DSCR_BASE_INTERRUPT
)
)))
while
(
!
(
__raw_readq
(
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE_DEBUG
))
&
M_DM_DSCR_BASE_INTERRUPT
)))
;
bus_readq
((
void
*
)
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE
)));
__raw_readq
(
IOADDR
(
A_DM_REGISTER
(
cpu
,
R_DM_DSCR_BASE
)));
}
#else
/* !CONFIG_SIBYTE_DMA_PAGEOPS */
...
...
arch/mips/sibyte/sb1250/bcm1250_tbprof.c
View file @
65bda1a9
...
...
@@ -65,24 +65,25 @@ static void arm_tb(void)
u_int64_t
tb_options
=
M_SCD_TRACE_CFG_FREEZE_FULL
;
/* Generate an SCD_PERFCNT interrupt in TB_PERIOD Zclks to
trigger start of trace. XXX vary sampling period */
bus
_writeq
(
0
,
IOADDR
(
A_SCD_PERF_CNT_1
));
scdperfcnt
=
bus
_readq
(
IOADDR
(
A_SCD_PERF_CNT_CFG
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_PERF_CNT_1
));
scdperfcnt
=
__raw
_readq
(
IOADDR
(
A_SCD_PERF_CNT_CFG
));
/* Unfortunately, in Pass 2 we must clear all counters to knock down
a previous interrupt request. This means that bus profiling
requires ALL of the SCD perf counters. */
bus_writeq
((
scdperfcnt
&
~
M_SPC_CFG_SRC1
)
|
// keep counters 0,2,3 as is
__raw_writeq
((
scdperfcnt
&
~
M_SPC_CFG_SRC1
)
|
// keep counters 0,2,3 as is
M_SPC_CFG_ENABLE
|
// enable counting
M_SPC_CFG_CLEAR
|
// clear all counters
V_SPC_CFG_SRC1
(
1
),
// counter 1 counts cycles
IOADDR
(
A_SCD_PERF_CNT_CFG
));
bus
_writeq
(
next
,
IOADDR
(
A_SCD_PERF_CNT_1
));
__raw
_writeq
(
next
,
IOADDR
(
A_SCD_PERF_CNT_1
));
/* Reset the trace buffer */
bus
_writeq
(
M_SCD_TRACE_CFG_RESET
,
IOADDR
(
A_SCD_TRACE_CFG
));
__raw
_writeq
(
M_SCD_TRACE_CFG_RESET
,
IOADDR
(
A_SCD_TRACE_CFG
));
#if 0 && defined(M_SCD_TRACE_CFG_FORCECNT)
/* XXXKW may want to expose control to the data-collector */
tb_options |= M_SCD_TRACE_CFG_FORCECNT;
#endif
bus
_writeq
(
tb_options
,
IOADDR
(
A_SCD_TRACE_CFG
));
__raw
_writeq
(
tb_options
,
IOADDR
(
A_SCD_TRACE_CFG
));
sbp
.
tb_armed
=
1
;
}
...
...
@@ -94,22 +95,29 @@ static irqreturn_t sbprof_tb_intr(int irq, void *dev_id, struct pt_regs *regs)
/* XXX should use XKPHYS to make writes bypass L2 */
u_int64_t
*
p
=
sbp
.
sbprof_tbbuf
[
sbp
.
next_tb_sample
++
];
/* Read out trace */
bus_writeq
(
M_SCD_TRACE_CFG_START_READ
,
IOADDR
(
A_SCD_TRACE_CFG
));
__raw_writeq
(
M_SCD_TRACE_CFG_START_READ
,
IOADDR
(
A_SCD_TRACE_CFG
));
__asm__
__volatile__
(
"sync"
:
:
:
"memory"
);
/* Loop runs backwards because bundles are read out in reverse order */
for
(
i
=
256
*
6
;
i
>
0
;
i
-=
6
)
{
// Subscripts decrease to put bundle in the order
// t0 lo, t0 hi, t1 lo, t1 hi, t2 lo, t2 hi
p
[
i
-
1
]
=
bus_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t2 hi
p
[
i
-
2
]
=
bus_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t2 lo
p
[
i
-
3
]
=
bus_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t1 hi
p
[
i
-
4
]
=
bus_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t1 lo
p
[
i
-
5
]
=
bus_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t0 hi
p
[
i
-
6
]
=
bus_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t0 lo
p
[
i
-
1
]
=
__raw_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t2 hi
p
[
i
-
2
]
=
__raw_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t2 lo
p
[
i
-
3
]
=
__raw_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t1 hi
p
[
i
-
4
]
=
__raw_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t1 lo
p
[
i
-
5
]
=
__raw_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t0 hi
p
[
i
-
6
]
=
__raw_readq
(
IOADDR
(
A_SCD_TRACE_READ
));
// read t0 lo
}
if
(
!
sbp
.
tb_enable
)
{
DBG
(
printk
(
DEVNAME
": tb_intr shutdown
\n
"
));
bus
_writeq
(
M_SCD_TRACE_CFG_RESET
,
__raw
_writeq
(
M_SCD_TRACE_CFG_RESET
,
IOADDR
(
A_SCD_TRACE_CFG
));
sbp
.
tb_armed
=
0
;
wake_up
(
&
sbp
.
tb_sync
);
...
...
@@ -119,7 +127,7 @@ static irqreturn_t sbprof_tb_intr(int irq, void *dev_id, struct pt_regs *regs)
}
else
{
/* No more trace buffer samples */
DBG
(
printk
(
DEVNAME
": tb_intr full
\n
"
));
bus
_writeq
(
M_SCD_TRACE_CFG_RESET
,
IOADDR
(
A_SCD_TRACE_CFG
));
__raw
_writeq
(
M_SCD_TRACE_CFG_RESET
,
IOADDR
(
A_SCD_TRACE_CFG
));
sbp
.
tb_armed
=
0
;
if
(
!
sbp
.
tb_enable
)
{
wake_up
(
&
sbp
.
tb_sync
);
...
...
@@ -153,12 +161,10 @@ int sbprof_zbprof_start(struct file *filp)
return
-
EBUSY
;
}
/* Make sure there isn't a perf-cnt interrupt waiting */
scdperfcnt
=
bus
_readq
(
IOADDR
(
A_SCD_PERF_CNT_CFG
));
scdperfcnt
=
__raw
_readq
(
IOADDR
(
A_SCD_PERF_CNT_CFG
));
/* Disable and clear counters, override SRC_1 */
bus_writeq
((
scdperfcnt
&
~
(
M_SPC_CFG_SRC1
|
M_SPC_CFG_ENABLE
))
|
M_SPC_CFG_ENABLE
|
M_SPC_CFG_CLEAR
|
V_SPC_CFG_SRC1
(
1
),
__raw_writeq
((
scdperfcnt
&
~
(
M_SPC_CFG_SRC1
|
M_SPC_CFG_ENABLE
))
|
M_SPC_CFG_ENABLE
|
M_SPC_CFG_CLEAR
|
V_SPC_CFG_SRC1
(
1
),
IOADDR
(
A_SCD_PERF_CNT_CFG
));
/* We grab this interrupt to prevent others from trying to use
...
...
@@ -173,54 +179,54 @@ int sbprof_zbprof_start(struct file *filp)
/* I need the core to mask these, but the interrupt mapper to
pass them through. I am exploiting my knowledge that
cp0_status masks out IP[5]. krw */
bus
_writeq
(
K_INT_MAP_I3
,
__raw
_writeq
(
K_INT_MAP_I3
,
IOADDR
(
A_IMR_REGISTER
(
0
,
R_IMR_INTERRUPT_MAP_BASE
)
+
(
K_INT_PERF_CNT
<<
3
)));
/* Initialize address traps */
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_UP_0
));
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_UP_1
));
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_UP_2
));
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_UP_3
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_UP_0
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_UP_1
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_UP_2
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_UP_3
));
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_DOWN_0
));
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_DOWN_1
));
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_DOWN_2
));
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_DOWN_3
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_DOWN_0
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_DOWN_1
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_DOWN_2
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_DOWN_3
));
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_CFG_0
));
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_CFG_1
));
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_CFG_2
));
bus
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_CFG_3
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_CFG_0
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_CFG_1
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_CFG_2
));
__raw
_writeq
(
0
,
IOADDR
(
A_ADDR_TRAP_CFG_3
));
/* Initialize Trace Event 0-7 */
// when interrupt
bus
_writeq
(
M_SCD_TREVT_INTERRUPT
,
IOADDR
(
A_SCD_TRACE_EVENT_0
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_1
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_2
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_3
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_4
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_5
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_6
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_7
));
__raw
_writeq
(
M_SCD_TREVT_INTERRUPT
,
IOADDR
(
A_SCD_TRACE_EVENT_0
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_1
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_2
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_3
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_4
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_5
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_6
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_EVENT_7
));
/* Initialize Trace Sequence 0-7 */
// Start on event 0 (interrupt)
bus
_writeq
(
V_SCD_TRSEQ_FUNC_START
|
0x0fff
,
__raw
_writeq
(
V_SCD_TRSEQ_FUNC_START
|
0x0fff
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_0
));
// dsamp when d used | asamp when a used
bus
_writeq
(
M_SCD_TRSEQ_ASAMPLE
|
M_SCD_TRSEQ_DSAMPLE
|
__raw
_writeq
(
M_SCD_TRSEQ_ASAMPLE
|
M_SCD_TRSEQ_DSAMPLE
|
K_SCD_TRSEQ_TRIGGER_ALL
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_1
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_2
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_3
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_4
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_5
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_6
));
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_7
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_2
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_3
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_4
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_5
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_6
));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TRACE_SEQUENCE_7
));
/* Now indicate the PERF_CNT interrupt as a trace-relevant interrupt */
bus_writeq
((
1ULL
<<
K_INT_PERF_CNT
)
,
__raw_writeq
(
1ULL
<<
K_INT_PERF_CNT
,
IOADDR
(
A_IMR_REGISTER
(
0
,
R_IMR_INTERRUPT_TRACE
)));
arm_tb
();
...
...
arch/mips/sibyte/sb1250/bus_watcher.c
View file @
65bda1a9
...
...
@@ -189,7 +189,7 @@ static irqreturn_t sibyte_bw_int(int irq, void *data, struct pt_regs *regs)
for
(
i
=
0
;
i
<
256
*
6
;
i
++
)
printk
(
"%016llx
\n
"
,
(
unsigned
long
long
)
bus
_readq
(
IOADDR
(
A_SCD_TRACE_READ
)));
(
long
long
)
__raw
_readq
(
IOADDR
(
A_SCD_TRACE_READ
)));
csr_out32
(
M_SCD_TRACE_CFG_RESET
,
IOADDR
(
A_SCD_TRACE_CFG
));
csr_out32
(
M_SCD_TRACE_CFG_START
,
IOADDR
(
A_SCD_TRACE_CFG
));
...
...
arch/mips/sibyte/sb1250/irq.c
View file @
65bda1a9
...
...
@@ -96,10 +96,10 @@ void sb1250_mask_irq(int cpu, int irq)
u64
cur_ints
;
spin_lock_irqsave
(
&
sb1250_imr_lock
,
flags
);
cur_ints
=
__
bus
_readq
(
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
cur_ints
=
__
__raw
_readq
(
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
R_IMR_INTERRUPT_MASK
));
cur_ints
|=
(((
u64
)
1
)
<<
irq
);
__
bus
_writeq
(
cur_ints
,
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
__
__raw
_writeq
(
cur_ints
,
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
R_IMR_INTERRUPT_MASK
));
spin_unlock_irqrestore
(
&
sb1250_imr_lock
,
flags
);
}
...
...
@@ -110,10 +110,10 @@ void sb1250_unmask_irq(int cpu, int irq)
u64
cur_ints
;
spin_lock_irqsave
(
&
sb1250_imr_lock
,
flags
);
cur_ints
=
__
bus
_readq
(
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
cur_ints
=
__
__raw
_readq
(
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
R_IMR_INTERRUPT_MASK
));
cur_ints
&=
~
(((
u64
)
1
)
<<
irq
);
__
bus
_writeq
(
cur_ints
,
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
__
__raw
_writeq
(
cur_ints
,
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
R_IMR_INTERRUPT_MASK
));
spin_unlock_irqrestore
(
&
sb1250_imr_lock
,
flags
);
}
...
...
@@ -149,22 +149,22 @@ static void sb1250_set_affinity(unsigned int irq, unsigned long mask)
/* Swizzle each CPU's IMR (but leave the IP selection alone) */
old_cpu
=
sb1250_irq_owner
[
irq
];
cur_ints
=
__
bus
_readq
(
IOADDR
(
A_IMR_MAPPER
(
old_cpu
)
+
cur_ints
=
__
__raw
_readq
(
IOADDR
(
A_IMR_MAPPER
(
old_cpu
)
+
R_IMR_INTERRUPT_MASK
));
int_on
=
!
(
cur_ints
&
(((
u64
)
1
)
<<
irq
));
if
(
int_on
)
{
/* If it was on, mask it */
cur_ints
|=
(((
u64
)
1
)
<<
irq
);
__
bus
_writeq
(
cur_ints
,
IOADDR
(
A_IMR_MAPPER
(
old_cpu
)
+
__
__raw
_writeq
(
cur_ints
,
IOADDR
(
A_IMR_MAPPER
(
old_cpu
)
+
R_IMR_INTERRUPT_MASK
));
}
sb1250_irq_owner
[
irq
]
=
cpu
;
if
(
int_on
)
{
/* unmask for the new CPU */
cur_ints
=
__
bus
_readq
(
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
cur_ints
=
__
__raw
_readq
(
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
R_IMR_INTERRUPT_MASK
));
cur_ints
&=
~
(((
u64
)
1
)
<<
irq
);
__
bus
_writeq
(
cur_ints
,
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
__
__raw
_writeq
(
cur_ints
,
IOADDR
(
A_IMR_MAPPER
(
cpu
)
+
R_IMR_INTERRUPT_MASK
));
}
spin_unlock
(
&
sb1250_imr_lock
);
...
...
@@ -208,7 +208,7 @@ static void ack_sb1250_irq(unsigned int irq)
* deliver the interrupts to all CPUs (which makes affinity
* changing easier for us)
*/
pending
=
bus
_readq
(
IOADDR
(
A_IMR_REGISTER
(
sb1250_irq_owner
[
irq
],
pending
=
__raw
_readq
(
IOADDR
(
A_IMR_REGISTER
(
sb1250_irq_owner
[
irq
],
R_IMR_LDT_INTERRUPT
)));
pending
&=
((
u64
)
1
<<
(
irq
));
if
(
pending
)
{
...
...
@@ -224,7 +224,7 @@ static void ack_sb1250_irq(unsigned int irq)
* Clear for all CPUs so an affinity switch
* doesn't find an old status
*/
bus
_writeq
(
pending
,
__raw
_writeq
(
pending
,
IOADDR
(
A_IMR_REGISTER
(
cpu
,
R_IMR_LDT_INTERRUPT_CLR
)));
}
...
...
@@ -340,11 +340,13 @@ void __init arch_init_irq(void)
/* Default everything to IP2 */
for
(
i
=
0
;
i
<
SB1250_NR_IRQS
;
i
++
)
{
/* was I0 */
bus_writeq
(
IMR_IP2_VAL
,
IOADDR
(
A_IMR_REGISTER
(
0
,
R_IMR_INTERRUPT_MAP_BASE
)
+
__raw_writeq
(
IMR_IP2_VAL
,
IOADDR
(
A_IMR_REGISTER
(
0
,
R_IMR_INTERRUPT_MAP_BASE
)
+
(
i
<<
3
)));
bus_writeq
(
IMR_IP2_VAL
,
IOADDR
(
A_IMR_REGISTER
(
1
,
R_IMR_INTERRUPT_MAP_BASE
)
+
__raw_writeq
(
IMR_IP2_VAL
,
IOADDR
(
A_IMR_REGISTER
(
1
,
R_IMR_INTERRUPT_MAP_BASE
)
+
(
i
<<
3
)));
}
...
...
@@ -355,23 +357,23 @@ void __init arch_init_irq(void)
* inter-cpu messages
*/
/* Was I1 */
bus
_writeq
(
IMR_IP3_VAL
,
__raw
_writeq
(
IMR_IP3_VAL
,
IOADDR
(
A_IMR_REGISTER
(
0
,
R_IMR_INTERRUPT_MAP_BASE
)
+
(
K_INT_MBOX_0
<<
3
)));
bus
_writeq
(
IMR_IP3_VAL
,
__raw
_writeq
(
IMR_IP3_VAL
,
IOADDR
(
A_IMR_REGISTER
(
1
,
R_IMR_INTERRUPT_MAP_BASE
)
+
(
K_INT_MBOX_0
<<
3
)));
/* Clear the mailboxes. The firmware may leave them dirty */
bus
_writeq
(
0xffffffffffffffffULL
,
__raw
_writeq
(
0xffffffffffffffffULL
,
IOADDR
(
A_IMR_REGISTER
(
0
,
R_IMR_MAILBOX_CLR_CPU
)));
bus
_writeq
(
0xffffffffffffffffULL
,
__raw
_writeq
(
0xffffffffffffffffULL
,
IOADDR
(
A_IMR_REGISTER
(
1
,
R_IMR_MAILBOX_CLR_CPU
)));
/* Mask everything except the mailbox registers for both cpus */
tmp
=
~
((
u64
)
0
)
^
(((
u64
)
1
)
<<
K_INT_MBOX_0
);
bus
_writeq
(
tmp
,
IOADDR
(
A_IMR_REGISTER
(
0
,
R_IMR_INTERRUPT_MASK
)));
bus
_writeq
(
tmp
,
IOADDR
(
A_IMR_REGISTER
(
1
,
R_IMR_INTERRUPT_MASK
)));
__raw
_writeq
(
tmp
,
IOADDR
(
A_IMR_REGISTER
(
0
,
R_IMR_INTERRUPT_MASK
)));
__raw
_writeq
(
tmp
,
IOADDR
(
A_IMR_REGISTER
(
1
,
R_IMR_INTERRUPT_MASK
)));
sb1250_steal_irq
(
K_INT_MBOX_0
);
...
...
@@ -396,12 +398,14 @@ void __init arch_init_irq(void)
sb1250_duart_present
[
kgdb_port
]
=
0
;
#endif
/* Setup uart 1 settings, mapper */
bus_writeq
(
M_DUART_IMR_BRK
,
IOADDR
(
A_DUART_IMRREG
(
kgdb_port
)));
__raw_writeq
(
M_DUART_IMR_BRK
,
IOADDR
(
A_DUART_IMRREG
(
kgdb_port
)));
sb1250_steal_irq
(
kgdb_irq
);
bus_writeq
(
IMR_IP6_VAL
,
IOADDR
(
A_IMR_REGISTER
(
0
,
R_IMR_INTERRUPT_MAP_BASE
)
+
(
kgdb_irq
<<
3
)));
__raw_writeq
(
IMR_IP6_VAL
,
IOADDR
(
A_IMR_REGISTER
(
0
,
R_IMR_INTERRUPT_MAP_BASE
)
+
(
kgdb_irq
<<
3
)));
sb1250_unmask_irq
(
0
,
kgdb_irq
);
}
#endif
...
...
arch/mips/sibyte/sb1250/setup.c
View file @
65bda1a9
...
...
@@ -153,7 +153,7 @@ void sb1250_setup(void)
int
bad_config
=
0
;
sb1_pass
=
read_c0_prid
()
&
0xff
;
sys_rev
=
bus
_readq
(
IOADDR
(
A_SCD_SYSTEM_REVISION
));
sys_rev
=
__raw
_readq
(
IOADDR
(
A_SCD_SYSTEM_REVISION
));
soc_type
=
SYS_SOC_TYPE
(
sys_rev
);
soc_pass
=
G_SYS_REVISION
(
sys_rev
);
...
...
@@ -162,7 +162,7 @@ void sb1250_setup(void)
machine_restart
(
NULL
);
}
plldiv
=
G_SYS_PLL_DIV
(
bus
_readq
(
IOADDR
(
A_SCD_SYSTEM_CFG
)));
plldiv
=
G_SYS_PLL_DIV
(
__raw
_readq
(
IOADDR
(
A_SCD_SYSTEM_CFG
)));
zbbus_mhz
=
((
plldiv
>>
1
)
*
50
)
+
((
plldiv
&
1
)
*
25
);
prom_printf
(
"Broadcom SiByte %s %s @ %d MHz (SB1 rev %d)
\n
"
,
...
...
arch/mips/sibyte/sb1250/smp.c
View file @
65bda1a9
...
...
@@ -29,18 +29,18 @@
#include <asm/sibyte/sb1250_int.h>
static
void
*
mailbox_set_regs
[]
=
{
(
void
*
)
IOADDR
(
A_IMR_CPU0_BASE
+
R_IMR_MAILBOX_SET_CPU
),
(
void
*
)
IOADDR
(
A_IMR_CPU1_BASE
+
R_IMR_MAILBOX_SET_CPU
)
IOADDR
(
A_IMR_CPU0_BASE
+
R_IMR_MAILBOX_SET_CPU
),
IOADDR
(
A_IMR_CPU1_BASE
+
R_IMR_MAILBOX_SET_CPU
)
};
static
void
*
mailbox_clear_regs
[]
=
{
(
void
*
)
IOADDR
(
A_IMR_CPU0_BASE
+
R_IMR_MAILBOX_CLR_CPU
),
(
void
*
)
IOADDR
(
A_IMR_CPU1_BASE
+
R_IMR_MAILBOX_CLR_CPU
)
IOADDR
(
A_IMR_CPU0_BASE
+
R_IMR_MAILBOX_CLR_CPU
),
IOADDR
(
A_IMR_CPU1_BASE
+
R_IMR_MAILBOX_CLR_CPU
)
};
static
void
*
mailbox_regs
[]
=
{
(
void
*
)
IOADDR
(
A_IMR_CPU0_BASE
+
R_IMR_MAILBOX_CPU
),
(
void
*
)
IOADDR
(
A_IMR_CPU1_BASE
+
R_IMR_MAILBOX_CPU
)
IOADDR
(
A_IMR_CPU0_BASE
+
R_IMR_MAILBOX_CPU
),
IOADDR
(
A_IMR_CPU1_BASE
+
R_IMR_MAILBOX_CPU
)
};
/*
...
...
@@ -73,7 +73,7 @@ void sb1250_smp_finish(void)
*/
void
core_send_ipi
(
int
cpu
,
unsigned
int
action
)
{
bus
_writeq
((((
u64
)
action
)
<<
48
),
mailbox_set_regs
[
cpu
]);
__raw
_writeq
((((
u64
)
action
)
<<
48
),
mailbox_set_regs
[
cpu
]);
}
void
sb1250_mailbox_interrupt
(
struct
pt_regs
*
regs
)
...
...
@@ -83,10 +83,10 @@ void sb1250_mailbox_interrupt(struct pt_regs *regs)
kstat_this_cpu
.
irqs
[
K_INT_MBOX_0
]
++
;
/* Load the mailbox register to figure out what we're supposed to do */
action
=
(
__
bus
_readq
(
mailbox_regs
[
cpu
])
>>
48
)
&
0xffff
;
action
=
(
__
__raw
_readq
(
mailbox_regs
[
cpu
])
>>
48
)
&
0xffff
;
/* Clear the mailbox to clear the interrupt */
__
bus
_writeq
(((
u64
)
action
)
<<
48
,
mailbox_clear_regs
[
cpu
]);
__
__raw
_writeq
(((
u64
)
action
)
<<
48
,
mailbox_clear_regs
[
cpu
]);
/*
* Nothing to do for SMP_RESCHEDULE_YOURSELF; returning from the
...
...
arch/mips/sibyte/sb1250/time.c
View file @
65bda1a9
...
...
@@ -67,23 +67,23 @@ void sb1250_time_init(void)
sb1250_mask_irq
(
cpu
,
irq
);
/* Map the timer interrupt to ip[4] of this cpu */
bus
_writeq
(
IMR_IP4_VAL
,
__raw
_writeq
(
IMR_IP4_VAL
,
IOADDR
(
A_IMR_REGISTER
(
cpu
,
R_IMR_INTERRUPT_MAP_BASE
)
+
(
irq
<<
3
)));
/* the general purpose timer ticks at 1 Mhz independent if the rest of the system */
/* Disable the timer and set up the count */
bus
_writeq
(
0
,
IOADDR
(
A_SCD_TIMER_REGISTER
(
cpu
,
R_SCD_TIMER_CFG
)));
__raw
_writeq
(
0
,
IOADDR
(
A_SCD_TIMER_REGISTER
(
cpu
,
R_SCD_TIMER_CFG
)));
#ifdef CONFIG_SIMULATION
bus
_writeq
(
50000
/
HZ
,
__raw
_writeq
(
50000
/
HZ
,
IOADDR
(
A_SCD_TIMER_REGISTER
(
cpu
,
R_SCD_TIMER_INIT
)));
#else
bus_writeq
(
1000000
/
HZ
,
__raw_writeq
(
1000000
/
HZ
,
IOADDR
(
A_SCD_TIMER_REGISTER
(
cpu
,
R_SCD_TIMER_INIT
)));
#endif
/* Set the timer running */
bus
_writeq
(
M_SCD_TIMER_ENABLE
|
M_SCD_TIMER_MODE_CONTINUOUS
,
__raw
_writeq
(
M_SCD_TIMER_ENABLE
|
M_SCD_TIMER_MODE_CONTINUOUS
,
IOADDR
(
A_SCD_TIMER_REGISTER
(
cpu
,
R_SCD_TIMER_CFG
)));
sb1250_unmask_irq
(
cpu
,
irq
);
...
...
@@ -105,7 +105,7 @@ void sb1250_timer_interrupt(struct pt_regs *regs)
int
irq
=
K_INT_TIMER_0
+
cpu
;
/* Reset the timer */
__
bus
_writeq
(
M_SCD_TIMER_ENABLE
|
M_SCD_TIMER_MODE_CONTINUOUS
,
__
__raw
_writeq
(
M_SCD_TIMER_ENABLE
|
M_SCD_TIMER_MODE_CONTINUOUS
,
IOADDR
(
A_SCD_TIMER_REGISTER
(
cpu
,
R_SCD_TIMER_CFG
)));
/*
...
...
@@ -130,7 +130,7 @@ void sb1250_timer_interrupt(struct pt_regs *regs)
unsigned
long
sb1250_gettimeoffset
(
void
)
{
unsigned
long
count
=
bus
_readq
(
IOADDR
(
A_SCD_TIMER_REGISTER
(
0
,
R_SCD_TIMER_CNT
)));
__raw
_readq
(
IOADDR
(
A_SCD_TIMER_REGISTER
(
0
,
R_SCD_TIMER_CNT
)));
return
1000000
/
HZ
-
count
;
}
arch/mips/sibyte/swarm/rtc_m41t81.c
View file @
65bda1a9
...
...
@@ -82,59 +82,60 @@
#define M41T81REG_SQW 0x13
/* square wave register */
#define M41T81_CCR_ADDRESS 0x68
#define SMB_CSR(reg) ((u8 *) (IOADDR(A_SMB_REGISTER(1, reg))))
#define SMB_CSR(reg) IOADDR(A_SMB_REGISTER(1, reg))
static
int
m41t81_read
(
uint8_t
addr
)
{
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
bus
_writeq
(
addr
&
0xff
,
SMB_CSR
(
R_SMB_CMD
));
bus_writeq
((
V_SMB_ADDR
(
M41T81_CCR_ADDRESS
)
|
V_SMB_TT_WR1BYTE
)
,
__raw
_writeq
(
addr
&
0xff
,
SMB_CSR
(
R_SMB_CMD
));
__raw_writeq
(
V_SMB_ADDR
(
M41T81_CCR_ADDRESS
)
|
V_SMB_TT_WR1BYTE
,
SMB_CSR
(
R_SMB_START
));
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
bus_writeq
((
V_SMB_ADDR
(
M41T81_CCR_ADDRESS
)
|
V_SMB_TT_RD1BYTE
)
,
__raw_writeq
(
V_SMB_ADDR
(
M41T81_CCR_ADDRESS
)
|
V_SMB_TT_RD1BYTE
,
SMB_CSR
(
R_SMB_START
));
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
if
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
if
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
/* Clear error bit by writing a 1 */
bus
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
__raw
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
return
-
1
;
}
return
(
bus
_readq
(
SMB_CSR
(
R_SMB_DATA
))
&
0xff
);
return
(
__raw
_readq
(
SMB_CSR
(
R_SMB_DATA
))
&
0xff
);
}
static
int
m41t81_write
(
uint8_t
addr
,
int
b
)
{
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
bus_writeq
((
addr
&
0xFF
)
,
SMB_CSR
(
R_SMB_CMD
));
bus_writeq
((
b
&
0xff
)
,
SMB_CSR
(
R_SMB_DATA
));
bus
_writeq
(
V_SMB_ADDR
(
M41T81_CCR_ADDRESS
)
|
V_SMB_TT_WR2BYTE
,
__raw_writeq
(
addr
&
0xff
,
SMB_CSR
(
R_SMB_CMD
));
__raw_writeq
(
b
&
0xff
,
SMB_CSR
(
R_SMB_DATA
));
__raw
_writeq
(
V_SMB_ADDR
(
M41T81_CCR_ADDRESS
)
|
V_SMB_TT_WR2BYTE
,
SMB_CSR
(
R_SMB_START
));
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
if
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
if
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
/* Clear error bit by writing a 1 */
bus
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
__raw
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
return
-
1
;
}
/* read the same byte again to make sure it is written */
bus
_writeq
(
V_SMB_ADDR
(
M41T81_CCR_ADDRESS
)
|
V_SMB_TT_RD1BYTE
,
__raw
_writeq
(
V_SMB_ADDR
(
M41T81_CCR_ADDRESS
)
|
V_SMB_TT_RD1BYTE
,
SMB_CSR
(
R_SMB_START
));
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
return
0
;
...
...
arch/mips/sibyte/swarm/rtc_xicor1241.c
View file @
65bda1a9
...
...
@@ -57,52 +57,52 @@
#define X1241_CCR_ADDRESS 0x6F
#define SMB_CSR(reg)
((u8 *) (IOADDR(A_SMB_REGISTER(1, reg))
))
#define SMB_CSR(reg)
IOADDR(A_SMB_REGISTER(1, reg
))
static
int
xicor_read
(
uint8_t
addr
)
{
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
bus
_writeq
((
addr
>>
8
)
&
0x7
,
SMB_CSR
(
R_SMB_CMD
));
bus_writeq
((
addr
&
0xff
)
,
SMB_CSR
(
R_SMB_DATA
));
bus_writeq
((
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_WR2BYTE
)
,
__raw
_writeq
((
addr
>>
8
)
&
0x7
,
SMB_CSR
(
R_SMB_CMD
));
__raw_writeq
(
addr
&
0xff
,
SMB_CSR
(
R_SMB_DATA
));
__raw_writeq
(
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_WR2BYTE
,
SMB_CSR
(
R_SMB_START
));
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
bus_writeq
((
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_RD1BYTE
)
,
__raw_writeq
(
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_RD1BYTE
,
SMB_CSR
(
R_SMB_START
));
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
if
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
if
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
/* Clear error bit by writing a 1 */
bus
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
__raw
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
return
-
1
;
}
return
(
bus
_readq
(
SMB_CSR
(
R_SMB_DATA
))
&
0xff
);
return
(
__raw
_readq
(
SMB_CSR
(
R_SMB_DATA
))
&
0xff
);
}
static
int
xicor_write
(
uint8_t
addr
,
int
b
)
{
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
bus
_writeq
(
addr
,
SMB_CSR
(
R_SMB_CMD
));
bus
_writeq
((
addr
&
0xff
)
|
((
b
&
0xff
)
<<
8
),
SMB_CSR
(
R_SMB_DATA
));
bus
_writeq
(
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_WR3BYTE
,
__raw
_writeq
(
addr
,
SMB_CSR
(
R_SMB_CMD
));
__raw
_writeq
((
addr
&
0xff
)
|
((
b
&
0xff
)
<<
8
),
SMB_CSR
(
R_SMB_DATA
));
__raw
_writeq
(
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_WR3BYTE
,
SMB_CSR
(
R_SMB_START
));
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
if
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
if
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
/* Clear error bit by writing a 1 */
bus
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
__raw
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
return
-
1
;
}
else
{
return
0
;
...
...
arch/mips/sibyte/swarm/time.c
View file @
65bda1a9
...
...
@@ -79,48 +79,48 @@ static unsigned int usec_bias = 0;
static
int
xicor_read
(
uint8_t
addr
)
{
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
bus
_writeq
((
addr
>>
8
)
&
0x7
,
SMB_CSR
(
R_SMB_CMD
));
bus_writeq
((
addr
&
0xff
)
,
SMB_CSR
(
R_SMB_DATA
));
bus_writeq
((
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_WR2BYTE
)
,
__raw
_writeq
((
addr
>>
8
)
&
0x7
,
SMB_CSR
(
R_SMB_CMD
));
__raw_writeq
(
addr
&
0xff
,
SMB_CSR
(
R_SMB_DATA
));
__raw_writeq
(
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_WR2BYTE
,
SMB_CSR
(
R_SMB_START
));
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
bus_writeq
((
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_RD1BYTE
)
,
__raw_writeq
(
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_RD1BYTE
,
SMB_CSR
(
R_SMB_START
));
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
if
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
if
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
/* Clear error bit by writing a 1 */
bus
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
__raw
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
return
-
1
;
}
return
(
bus
_readq
(
SMB_CSR
(
R_SMB_DATA
))
&
0xff
);
return
(
__raw
_readq
(
SMB_CSR
(
R_SMB_DATA
))
&
0xff
);
}
static
int
xicor_write
(
uint8_t
addr
,
int
b
)
{
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
bus
_writeq
(
addr
,
SMB_CSR
(
R_SMB_CMD
));
bus
_writeq
((
addr
&
0xff
)
|
((
b
&
0xff
)
<<
8
),
SMB_CSR
(
R_SMB_DATA
));
bus
_writeq
(
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_WR3BYTE
,
__raw
_writeq
(
addr
,
SMB_CSR
(
R_SMB_CMD
));
__raw
_writeq
((
addr
&
0xff
)
|
((
b
&
0xff
)
<<
8
),
SMB_CSR
(
R_SMB_DATA
));
__raw
_writeq
(
V_SMB_ADDR
(
X1241_CCR_ADDRESS
)
|
V_SMB_TT_WR3BYTE
,
SMB_CSR
(
R_SMB_START
));
while
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
while
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_BUSY
)
;
if
(
bus
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
if
(
__raw
_readq
(
SMB_CSR
(
R_SMB_STATUS
))
&
M_SMB_ERROR
)
{
/* Clear error bit by writing a 1 */
bus
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
__raw
_writeq
(
M_SMB_ERROR
,
SMB_CSR
(
R_SMB_STATUS
));
return
-
1
;
}
else
{
return
0
;
...
...
@@ -228,8 +228,8 @@ void __init swarm_time_init(void)
/* Establish communication with the Xicor 1241 RTC */
/* XXXKW how do I share the SMBus with the I2C subsystem? */
bus
_writeq
(
K_SMB_FREQ_400KHZ
,
SMB_CSR
(
R_SMB_FREQ
));
bus
_writeq
(
0
,
SMB_CSR
(
R_SMB_CONTROL
));
__raw
_writeq
(
K_SMB_FREQ_400KHZ
,
SMB_CSR
(
R_SMB_FREQ
));
__raw
_writeq
(
0
,
SMB_CSR
(
R_SMB_CONTROL
));
if
((
status
=
xicor_read
(
X1241REG_SR_RTCF
))
<
0
)
{
printk
(
"x1241: couldn't detect on SWARM SMBus 1
\n
"
);
...
...
include/asm-mips/sibyte/sb1250.h
View file @
65bda1a9
...
...
@@ -58,6 +58,6 @@ extern void prom_printf(char *fmt, ...);
#endif
#define IOADDR(a) (
IO_BASE + (a
))
#define IOADDR(a) (
(void *)(IO_BASE + (a)
))
#endif
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment