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nexedi
linux
Commits
22fc1db1
Commit
22fc1db1
authored
Feb 19, 2009
by
Nicolas Pitre
Browse files
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Merge branch 'for-np' of
git://git.wormnet.eu/alex/ts78xx
into orion/master
parents
402a917a
39008f95
Changes
4
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Showing
4 changed files
with
231 additions
and
109 deletions
+231
-109
arch/arm/configs/orion5x_defconfig
arch/arm/configs/orion5x_defconfig
+1
-1
arch/arm/mach-orion5x/Kconfig
arch/arm/mach-orion5x/Kconfig
+1
-0
arch/arm/mach-orion5x/ts78xx-fpga.h
arch/arm/mach-orion5x/ts78xx-fpga.h
+27
-0
arch/arm/mach-orion5x/ts78xx-setup.c
arch/arm/mach-orion5x/ts78xx-setup.c
+202
-108
No files found.
arch/arm/configs/orion5x_defconfig
View file @
22fc1db1
...
...
@@ -1177,7 +1177,7 @@ CONFIG_RTC_DRV_S35390A=y
# CONFIG_RTC_DRV_DS1553 is not set
# CONFIG_RTC_DRV_DS1742 is not set
# CONFIG_RTC_DRV_STK17TA8 is not set
# CONFIG_RTC_DRV_M48T86 is not set
CONFIG_RTC_DRV_M48T86=y
# CONFIG_RTC_DRV_M48T59 is not set
# CONFIG_RTC_DRV_V3020 is not set
...
...
arch/arm/mach-orion5x/Kconfig
View file @
22fc1db1
...
...
@@ -71,6 +71,7 @@ config MACH_WRT350N_V2
config MACH_TS78XX
bool "Technologic Systems TS-78xx"
select PM
help
Say 'Y' here if you want your kernel to support the
Technologic Systems TS-78xx platform.
...
...
arch/arm/mach-orion5x/ts78xx-fpga.h
0 → 100644
View file @
22fc1db1
#define FPGAID(_magic, _rev) ((_magic << 8) + _rev)
/*
* get yer id's from http://ts78xx.digriz.org.uk/
* do *not* make up your own or 'borrow' any!
*/
enum
fpga_ids
{
/* Technologic Systems */
TS7800_REV_B
=
FPGAID
(
0x00b480
,
0x03
),
};
struct
fpga_device
{
unsigned
present
:
1
;
unsigned
init
:
1
;
};
struct
fpga_devices
{
/* Technologic Systems */
struct
fpga_device
ts_rtc
;
};
struct
ts78xx_fpga_data
{
unsigned
int
id
;
int
state
;
struct
fpga_devices
supports
;
};
arch/arm/mach-orion5x/ts78xx-setup.c
View file @
22fc1db1
...
...
@@ -10,8 +10,8 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/sysfs.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/mv643xx_eth.h>
#include <linux/ata_platform.h>
#include <linux/m48t86.h>
...
...
@@ -21,6 +21,7 @@
#include <mach/orion5x.h>
#include "common.h"
#include "mpp.h"
#include "ts78xx-fpga.h"
/*****************************************************************************
* TS-78xx Info
...
...
@@ -33,18 +34,11 @@
#define TS78XX_FPGA_REGS_VIRT_BASE 0xff900000
#define TS78XX_FPGA_REGS_SIZE SZ_1M
#define TS78XX_FPGA_REGS_SYSCON_ID (TS78XX_FPGA_REGS_VIRT_BASE | 0x000)
#define TS78XX_FPGA_REGS_SYSCON_LCDI (TS78XX_FPGA_REGS_VIRT_BASE | 0x004)
#define TS78XX_FPGA_REGS_SYSCON_LCDO (TS78XX_FPGA_REGS_VIRT_BASE | 0x008)
#define TS78XX_FPGA_REGS_RTC_CTRL (TS78XX_FPGA_REGS_VIRT_BASE | 0x808)
#define TS78XX_FPGA_REGS_RTC_DATA (TS78XX_FPGA_REGS_VIRT_BASE | 0x80c)
/*
* 512kB NOR flash Device
*/
#define TS78XX_NOR_BOOT_BASE 0xff800000
#define TS78XX_NOR_BOOT_SIZE SZ_512K
static
struct
ts78xx_fpga_data
ts78xx_fpga
=
{
.
id
=
0
,
.
state
=
1
,
/* .supports = ... - populated by ts78xx_fpga_supports() */
};
/*****************************************************************************
* I/O Address Mapping
...
...
@@ -65,73 +59,48 @@ void __init ts78xx_map_io(void)
}
/*****************************************************************************
*
512kB NOR Boot Flash - the chip is a M25P40
*
Ethernet
****************************************************************************/
static
struct
mtd_partition
ts78xx_nor_boot_flash_resources
[]
=
{
{
.
name
=
"ts-bootrom"
,
.
offset
=
0
,
/* only the first 256kB is used */
.
size
=
SZ_256K
,
.
mask_flags
=
MTD_WRITEABLE
,
},
};
static
struct
physmap_flash_data
ts78xx_nor_boot_flash_data
=
{
.
width
=
1
,
.
parts
=
ts78xx_nor_boot_flash_resources
,
.
nr_parts
=
ARRAY_SIZE
(
ts78xx_nor_boot_flash_resources
),
};
static
struct
resource
ts78xx_nor_boot_flash_resource
=
{
.
flags
=
IORESOURCE_MEM
,
.
start
=
TS78XX_NOR_BOOT_BASE
,
.
end
=
TS78XX_NOR_BOOT_BASE
+
TS78XX_NOR_BOOT_SIZE
-
1
,
};
static
struct
platform_device
ts78xx_nor_boot_flash
=
{
.
name
=
"physmap-flash"
,
.
id
=
-
1
,
.
dev
=
{
.
platform_data
=
&
ts78xx_nor_boot_flash_data
,
},
.
num_resources
=
1
,
.
resource
=
&
ts78xx_nor_boot_flash_resource
,
static
struct
mv643xx_eth_platform_data
ts78xx_eth_data
=
{
.
phy_addr
=
MV643XX_ETH_PHY_ADDR
(
0
),
};
/*****************************************************************************
*
Ethernet
*
SATA
****************************************************************************/
static
struct
mv
643xx_eth_platform_data
ts78xx_eth
_data
=
{
.
phy_addr
=
MV643XX_ETH_PHY_ADDR
(
0
)
,
static
struct
mv
_sata_platform_data
ts78xx_sata
_data
=
{
.
n_ports
=
2
,
};
/*****************************************************************************
* RTC M48T86 - nicked^Wborrowed from arch/arm/mach-ep93xx/ts72xx.c
****************************************************************************/
#ifdef CONFIG_RTC_DRV_M48T86
static
unsigned
char
ts78xx_rtc_readbyte
(
unsigned
long
addr
)
#define TS_RTC_CTRL (TS78XX_FPGA_REGS_VIRT_BASE | 0x808)
#define TS_RTC_DATA (TS78XX_FPGA_REGS_VIRT_BASE | 0x80c)
static
unsigned
char
ts78xx_ts_rtc_readbyte
(
unsigned
long
addr
)
{
writeb
(
addr
,
TS
78XX_FPGA_REGS
_RTC_CTRL
);
return
readb
(
TS
78XX_FPGA_REGS
_RTC_DATA
);
writeb
(
addr
,
TS_RTC_CTRL
);
return
readb
(
TS_RTC_DATA
);
}
static
void
ts78xx_rtc_writebyte
(
unsigned
char
value
,
unsigned
long
addr
)
static
void
ts78xx_
ts_
rtc_writebyte
(
unsigned
char
value
,
unsigned
long
addr
)
{
writeb
(
addr
,
TS
78XX_FPGA_REGS
_RTC_CTRL
);
writeb
(
value
,
TS
78XX_FPGA_REGS
_RTC_DATA
);
writeb
(
addr
,
TS_RTC_CTRL
);
writeb
(
value
,
TS_RTC_DATA
);
}
static
struct
m48t86_ops
ts78xx_rtc_ops
=
{
.
readbyte
=
ts78xx_rtc_readbyte
,
.
writebyte
=
ts78xx_rtc_writebyte
,
static
struct
m48t86_ops
ts78xx_
ts_
rtc_ops
=
{
.
readbyte
=
ts78xx_
ts_
rtc_readbyte
,
.
writebyte
=
ts78xx_
ts_
rtc_writebyte
,
};
static
struct
platform_device
ts78xx_rtc_device
=
{
static
struct
platform_device
ts78xx_
ts_
rtc_device
=
{
.
name
=
"rtc-m48t86"
,
.
id
=
-
1
,
.
dev
=
{
.
platform_data
=
&
ts78xx_rtc_ops
,
.
platform_data
=
&
ts78xx_
ts_
rtc_ops
,
},
.
num_resources
=
0
,
};
...
...
@@ -146,59 +115,185 @@ static struct platform_device ts78xx_rtc_device = {
* TODO: track down a guinea pig without an RTC to see if we can work out a
* better RTC detection routine
*/
static
int
__init
ts78xx_rtc_init
(
void
)
static
int
ts78xx_ts_rtc_load
(
void
)
{
unsigned
char
tmp_rtc0
,
tmp_rtc1
;
tmp_rtc0
=
ts78xx_rtc_readbyte
(
126
);
tmp_rtc1
=
ts78xx_rtc_readbyte
(
127
);
ts78xx_rtc_writebyte
(
0x00
,
126
);
ts78xx_rtc_writebyte
(
0x55
,
127
);
if
(
ts78xx_rtc_readbyte
(
127
)
==
0x55
)
{
ts78xx_rtc_writebyte
(
0xaa
,
127
);
if
(
ts78xx_rtc_readbyte
(
127
)
==
0xaa
&&
ts78xx_rtc_readbyte
(
126
)
==
0x00
)
{
ts78xx_rtc_writebyte
(
tmp_rtc0
,
126
);
ts78xx_rtc_writebyte
(
tmp_rtc1
,
127
);
platform_device_register
(
&
ts78xx_rtc_device
);
return
1
;
tmp_rtc0
=
ts78xx_ts_rtc_readbyte
(
126
);
tmp_rtc1
=
ts78xx_ts_rtc_readbyte
(
127
);
ts78xx_ts_rtc_writebyte
(
0x00
,
126
);
ts78xx_ts_rtc_writebyte
(
0x55
,
127
);
if
(
ts78xx_ts_rtc_readbyte
(
127
)
==
0x55
)
{
ts78xx_ts_rtc_writebyte
(
0xaa
,
127
);
if
(
ts78xx_ts_rtc_readbyte
(
127
)
==
0xaa
&&
ts78xx_ts_rtc_readbyte
(
126
)
==
0x00
)
{
ts78xx_ts_rtc_writebyte
(
tmp_rtc0
,
126
);
ts78xx_ts_rtc_writebyte
(
tmp_rtc1
,
127
);
if
(
ts78xx_fpga
.
supports
.
ts_rtc
.
init
==
0
)
{
ts78xx_fpga
.
supports
.
ts_rtc
.
init
=
1
;
platform_device_register
(
&
ts78xx_ts_rtc_device
);
}
else
platform_device_add
(
&
ts78xx_ts_rtc_device
);
return
0
;
}
}
return
0
;
ts78xx_fpga
.
supports
.
ts_rtc
.
present
=
0
;
return
-
ENODEV
;
};
static
void
ts78xx_ts_rtc_unload
(
void
)
{
platform_device_del
(
&
ts78xx_ts_rtc_device
);
}
#else
static
int
__init
ts78xx_rtc_init
(
void
)
static
int
ts78xx_ts_rtc_load
(
void
)
{
return
0
;
}
static
void
ts78xx_ts_rtc_unload
(
void
)
{
}
#endif
/*****************************************************************************
*
SATA
*
FPGA 'hotplug' support code
****************************************************************************/
static
struct
mv_sata_platform_data
ts78xx_sata_data
=
{
.
n_ports
=
2
,
static
void
ts78xx_fpga_devices_zero_init
(
void
)
{
ts78xx_fpga
.
supports
.
ts_rtc
.
init
=
0
;
}
static
void
ts78xx_fpga_supports
(
void
)
{
/* TODO: put this 'table' into ts78xx-fpga.h */
switch
(
ts78xx_fpga
.
id
)
{
case
TS7800_REV_B
:
ts78xx_fpga
.
supports
.
ts_rtc
.
present
=
1
;
break
;
default:
ts78xx_fpga
.
supports
.
ts_rtc
.
present
=
0
;
}
}
static
int
ts78xx_fpga_load_devices
(
void
)
{
int
tmp
,
ret
=
0
;
if
(
ts78xx_fpga
.
supports
.
ts_rtc
.
present
==
1
)
{
tmp
=
ts78xx_ts_rtc_load
();
if
(
tmp
)
printk
(
KERN_INFO
"TS-78xx RTC not detected or enabled
\n
"
);
ret
|=
tmp
;
}
return
ret
;
}
static
int
ts78xx_fpga_unload_devices
(
void
)
{
int
ret
=
0
;
if
(
ts78xx_fpga
.
supports
.
ts_rtc
.
present
==
1
)
ts78xx_ts_rtc_unload
();
return
ret
;
}
static
int
ts78xx_fpga_load
(
void
)
{
ts78xx_fpga
.
id
=
readl
(
TS78XX_FPGA_REGS_VIRT_BASE
);
printk
(
KERN_INFO
"TS-78xx FPGA: magic=0x%.6x, rev=0x%.2x
\n
"
,
(
ts78xx_fpga
.
id
>>
8
)
&
0xffffff
,
ts78xx_fpga
.
id
&
0xff
);
ts78xx_fpga_supports
();
if
(
ts78xx_fpga_load_devices
())
{
ts78xx_fpga
.
state
=
-
1
;
return
-
EBUSY
;
}
return
0
;
};
/*****************************************************************************
* print some information regarding the board
****************************************************************************/
static
void
__init
ts78xx_print_board_id
(
void
)
static
int
ts78xx_fpga_unload
(
void
)
{
unsigned
int
board_info
;
board_info
=
readl
(
TS78XX_FPGA_REGS_SYSCON_ID
);
printk
(
KERN_INFO
"TS-78xx Info: FPGA rev=%.2x, Board Magic=%.6x, "
,
board_info
&
0xff
,
(
board_info
>>
8
)
&
0xffffff
);
board_info
=
readl
(
TS78XX_FPGA_REGS_SYSCON_LCDI
);
printk
(
"JP1=%d, JP2=%d
\n
"
,
(
board_info
>>
30
)
&
0x1
,
(
board_info
>>
31
)
&
0x1
);
unsigned
int
fpga_id
;
fpga_id
=
readl
(
TS78XX_FPGA_REGS_VIRT_BASE
);
/*
* There does not seem to be a feasible way to block access to the GPIO
* pins from userspace (/dev/mem). This if clause should hopefully warn
* those foolish enough not to follow 'policy' :)
*
* UrJTAG SVN since r1381 can be used to reprogram the FPGA
*/
if
(
ts78xx_fpga
.
id
!=
fpga_id
)
{
printk
(
KERN_ERR
"TS-78xx FPGA: magic/rev mismatch
\n
"
"TS-78xx FPGA: was 0x%.6x/%.2x but now 0x%.6x/%.2x
\n
"
,
(
ts78xx_fpga
.
id
>>
8
)
&
0xffffff
,
ts78xx_fpga
.
id
&
0xff
,
(
fpga_id
>>
8
)
&
0xffffff
,
fpga_id
&
0xff
);
ts78xx_fpga
.
state
=
-
1
;
return
-
EBUSY
;
}
if
(
ts78xx_fpga_unload_devices
())
{
ts78xx_fpga
.
state
=
-
1
;
return
-
EBUSY
;
}
return
0
;
};
static
ssize_t
ts78xx_fpga_show
(
struct
kobject
*
kobj
,
struct
kobj_attribute
*
attr
,
char
*
buf
)
{
if
(
ts78xx_fpga
.
state
<
0
)
return
sprintf
(
buf
,
"borked
\n
"
);
return
sprintf
(
buf
,
"%s
\n
"
,
(
ts78xx_fpga
.
state
)
?
"online"
:
"offline"
);
}
static
ssize_t
ts78xx_fpga_store
(
struct
kobject
*
kobj
,
struct
kobj_attribute
*
attr
,
const
char
*
buf
,
size_t
n
)
{
int
value
,
ret
;
if
(
ts78xx_fpga
.
state
<
0
)
{
printk
(
KERN_ERR
"TS-78xx FPGA: borked, you must powercycle asap
\n
"
);
return
-
EBUSY
;
}
if
(
strncmp
(
buf
,
"online"
,
sizeof
(
"online"
)
-
1
)
==
0
)
value
=
1
;
else
if
(
strncmp
(
buf
,
"offline"
,
sizeof
(
"offline"
)
-
1
)
==
0
)
value
=
0
;
else
{
printk
(
KERN_ERR
"ts78xx_fpga_store: Invalid value
\n
"
);
return
-
EINVAL
;
}
if
(
ts78xx_fpga
.
state
==
value
)
return
n
;
ret
=
(
ts78xx_fpga
.
state
==
0
)
?
ts78xx_fpga_load
()
:
ts78xx_fpga_unload
();
if
(
!
(
ret
<
0
))
ts78xx_fpga
.
state
=
value
;
return
n
;
}
static
struct
kobj_attribute
ts78xx_fpga_attr
=
__ATTR
(
ts78xx_fpga
,
0644
,
ts78xx_fpga_show
,
ts78xx_fpga_store
);
/*****************************************************************************
* General Setup
****************************************************************************/
...
...
@@ -223,29 +318,28 @@ static struct orion5x_mpp_mode ts78xx_mpp_modes[] __initdata = {
{
17
,
MPP_UART
},
{
18
,
MPP_UART
},
{
19
,
MPP_UART
},
/*
* MPP[20] PCI Clock Out 1
* MPP[21] PCI Clock Out 0
* MPP[22] Unused
* MPP[23] Unused
* MPP[24] Unused
* MPP[25] Unused
*/
{
-
1
},
};
static
void
__init
ts78xx_init
(
void
)
{
int
ret
;
/*
* Setup basic Orion functions. Need to be called early.
*/
orion5x_init
();
ts78xx_print_board_id
();
orion5x_mpp_conf
(
ts78xx_mpp_modes
);
/*
* MPP[20] PCI Clock Out 1
* MPP[21] PCI Clock Out 0
* MPP[22] Unused
* MPP[23] Unused
* MPP[24] Unused
* MPP[25] Unused
*/
/*
* Configure peripherals.
*/
...
...
@@ -257,12 +351,12 @@ static void __init ts78xx_init(void)
orion5x_uart1_init
();
orion5x_xor_init
();
orion5x_setup_dev_boot_win
(
TS78XX_NOR_BOOT_BASE
,
TS78XX_NOR_BOOT_SIZE
);
platform_device_register
(
&
ts78xx_nor_boot_flash
);
if
(
!
ts78xx_rtc_init
()
)
printk
(
KERN_
INFO
"TS-78xx RTC not detected or enabled
\n
"
);
/* FPGA init */
ts78xx_fpga_devices_zero_init
(
);
ret
=
ts78xx_fpga_load
(
);
ret
=
sysfs_create_file
(
power_kobj
,
&
ts78xx_fpga_attr
.
attr
);
if
(
ret
)
printk
(
KERN_
ERR
"sysfs_create_file failed: %d
\n
"
,
ret
);
}
MACHINE_START
(
TS78XX
,
"Technologic Systems TS-78xx SBC"
)
...
...
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