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authorPaul Gortmaker <paul.gortmaker@windriver.com>2012-05-16 20:27:32 -0400
committerPaul Gortmaker <paul.gortmaker@windriver.com>2012-05-17 19:02:14 -0400
commitd157be852f6c76dc467f3a03b89263880e14c513 (patch)
tree4ecbc719f62e8f7bb7344efde3ca4febc20ca407 /Documentation
parent281f4d9ce7326b48e4d770ef689b97edb69e97da (diff)
serial: delete the MCA specific 8250 support.
The support for CONFIG_MCA is being removed, since the 20 year old hardware simply isn't capable of meeting today's software demands on CPU and memory resources. This commit removes the MCA specific 8250 UART code. Cc: Alan Cox <alan@linux.intel.com> Cc: linux-serial@vger.kernel.org Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/serial/stallion.txt22
1 files changed, 11 insertions, 11 deletions
diff --git a/Documentation/serial/stallion.txt b/Documentation/serial/stallion.txt
index 55090914a9c5..4d798c0cb5cb 100644
--- a/Documentation/serial/stallion.txt
+++ b/Documentation/serial/stallion.txt
@@ -20,10 +20,10 @@ There are two drivers that work with the different families of Stallion
20multiport serial boards. One is for the Stallion smart boards - that is 20multiport serial boards. One is for the Stallion smart boards - that is
21EasyIO, EasyConnection 8/32 and EasyConnection 8/64-PCI, the other for 21EasyIO, EasyConnection 8/32 and EasyConnection 8/64-PCI, the other for
22the true Stallion intelligent multiport boards - EasyConnection 8/64 22the true Stallion intelligent multiport boards - EasyConnection 8/64
23(ISA, EISA, MCA), EasyConnection/RA-PCI, ONboard and Brumby. 23(ISA, EISA), EasyConnection/RA-PCI, ONboard and Brumby.
24 24
25If you are using any of the Stallion intelligent multiport boards (Brumby, 25If you are using any of the Stallion intelligent multiport boards (Brumby,
26ONboard, EasyConnection 8/64 (ISA, EISA, MCA), EasyConnection/RA-PCI) with 26ONboard, EasyConnection 8/64 (ISA, EISA), EasyConnection/RA-PCI) with
27Linux you will need to get the driver utility package. This contains a 27Linux you will need to get the driver utility package. This contains a
28firmware loader and the firmware images necessary to make the devices operate. 28firmware loader and the firmware images necessary to make the devices operate.
29 29
@@ -40,7 +40,7 @@ If you are using the EasyIO, EasyConnection 8/32 or EasyConnection 8/64-PCI
40boards then you don't need this package, although it does have a serial stats 40boards then you don't need this package, although it does have a serial stats
41display program. 41display program.
42 42
43If you require DIP switch settings, EISA or MCA configuration files, or any 43If you require DIP switch settings, or EISA configuration files, or any
44other information related to Stallion boards then have a look at Stallion's 44other information related to Stallion boards then have a look at Stallion's
45web pages at http://www.stallion.com. 45web pages at http://www.stallion.com.
46 46
@@ -51,13 +51,13 @@ web pages at http://www.stallion.com.
51The drivers can be used as loadable modules or compiled into the kernel. 51The drivers can be used as loadable modules or compiled into the kernel.
52You can choose which when doing a "config" on the kernel. 52You can choose which when doing a "config" on the kernel.
53 53
54All ISA, EISA and MCA boards that you want to use need to be configured into 54All ISA, and EISA boards that you want to use need to be configured into
55the driver(s). All PCI boards will be automatically detected when you load 55the driver(s). All PCI boards will be automatically detected when you load
56the driver - so they do not need to be entered into the driver(s) 56the driver - so they do not need to be entered into the driver(s)
57configuration structure. Note that kernel PCI support is required to use PCI 57configuration structure. Note that kernel PCI support is required to use PCI
58boards. 58boards.
59 59
60There are two methods of configuring ISA, EISA and MCA boards into the drivers. 60There are two methods of configuring ISA and EISA boards into the drivers.
61If using the driver as a loadable module then the simplest method is to pass 61If using the driver as a loadable module then the simplest method is to pass
62the driver configuration as module arguments. The other method is to modify 62the driver configuration as module arguments. The other method is to modify
63the driver source to add configuration lines for each board in use. 63the driver source to add configuration lines for each board in use.
@@ -71,12 +71,12 @@ That makes things pretty simple to get going.
712.1 MODULE DRIVER CONFIGURATION: 712.1 MODULE DRIVER CONFIGURATION:
72 72
73The simplest configuration for modules is to use the module load arguments 73The simplest configuration for modules is to use the module load arguments
74to configure any ISA, EISA or MCA boards. PCI boards are automatically 74to configure any ISA or EISA boards. PCI boards are automatically
75detected, so do not need any additional configuration at all. 75detected, so do not need any additional configuration at all.
76 76
77If using EasyIO, EasyConnection 8/32 ISA or MCA, or EasyConnection 8/63-PCI 77If using EasyIO, EasyConnection 8/32 ISA, or EasyConnection 8/63-PCI
78boards then use the "stallion" driver module, Otherwise if you are using 78boards then use the "stallion" driver module, Otherwise if you are using
79an EasyConnection 8/64 ISA, EISA or MCA, EasyConnection/RA-PCI, ONboard, 79an EasyConnection 8/64 ISA or EISA, EasyConnection/RA-PCI, ONboard,
80Brumby or original Stallion board then use the "istallion" driver module. 80Brumby or original Stallion board then use the "istallion" driver module.
81 81
82Typically to load up the smart board driver use: 82Typically to load up the smart board driver use:
@@ -146,7 +146,7 @@ on each system boot. Typically configuration files are put in the
1462.2 STATIC DRIVER CONFIGURATION: 1462.2 STATIC DRIVER CONFIGURATION:
147 147
148For static driver configuration you need to modify the driver source code. 148For static driver configuration you need to modify the driver source code.
149Entering ISA, EISA and MCA boards into the driver(s) configuration structure 149Entering ISA and EISA boards into the driver(s) configuration structure
150involves editing the driver(s) source file. It's pretty easy if you follow 150involves editing the driver(s) source file. It's pretty easy if you follow
151the instructions below. Both drivers can support up to 4 boards. The smart 151the instructions below. Both drivers can support up to 4 boards. The smart
152card driver (the stallion.c driver) supports any combination of EasyIO and 152card driver (the stallion.c driver) supports any combination of EasyIO and
@@ -157,7 +157,7 @@ supports any combination of ONboards, Brumbys, Stallions and EasyConnection
157To set up the driver(s) for the boards that you want to use you need to 157To set up the driver(s) for the boards that you want to use you need to
158edit the appropriate driver file and add configuration entries. 158edit the appropriate driver file and add configuration entries.
159 159
160If using EasyIO or EasyConnection 8/32 ISA or MCA boards, 160If using EasyIO or EasyConnection 8/32 ISA boards,
161 In drivers/char/stallion.c: 161 In drivers/char/stallion.c:
162 - find the definition of the stl_brdconf array (of structures) 162 - find the definition of the stl_brdconf array (of structures)
163 near the top of the file 163 near the top of the file
@@ -243,7 +243,7 @@ change it on the board.
243On EasyIO and EasyConnection 8/32 boards the IRQ is software programmable, so 243On EasyIO and EasyConnection 8/32 boards the IRQ is software programmable, so
244if there is a conflict you may need to change the IRQ used for a board. There 244if there is a conflict you may need to change the IRQ used for a board. There
245are no interrupts to worry about for ONboard, Brumby or EasyConnection 8/64 245are no interrupts to worry about for ONboard, Brumby or EasyConnection 8/64
246(ISA, EISA and MCA) boards. The memory region on EasyConnection 8/64 and 246(ISA and EISA) boards. The memory region on EasyConnection 8/64 and
247ONboard boards is software programmable, but not on the Brumby boards. 247ONboard boards is software programmable, but not on the Brumby boards.
248 248
249 249