diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2001-01-10 05:27:25 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2001-01-10 05:27:25 +0000 |
commit | c9c06167e7933d93a6e396174c68abf242294abb (patch) | |
tree | d9a8bb30663e9a3405a1ef37ffb62bc14b9f019f /Documentation/arm | |
parent | f79e8cc3c34e4192a3e5ef4cc9c6542fdef703c0 (diff) |
Merge with Linux 2.4.0-test12.
Diffstat (limited to 'Documentation/arm')
-rw-r--r-- | Documentation/arm/README | 3 | ||||
-rw-r--r-- | Documentation/arm/SA1100/GraphicsClient (renamed from Documentation/arm/SA1100/ThinClient) | 21 | ||||
-rw-r--r-- | Documentation/arm/SA1100/Pangolin | 25 | ||||
-rw-r--r-- | Documentation/arm/SA1100/serial_UART | 65 |
4 files changed, 101 insertions, 13 deletions
diff --git a/Documentation/arm/README b/Documentation/arm/README index 96bdfe3e2..8514dac03 100644 --- a/Documentation/arm/README +++ b/Documentation/arm/README @@ -157,7 +157,8 @@ Kernel entry (head-armv.S) the mail a subject of 'Register new architecture': Name: <name of your architecture> - ARCHDIR: <name of include/asm-arm/arch-* directory> + ArchDir: <name of include/asm-arm/arch-* directory> + Type: <MACH_TYPE_* macro name> Description: <description of your architecture> diff --git a/Documentation/arm/SA1100/ThinClient b/Documentation/arm/SA1100/GraphicsClient index d5d7625fd..01f3f050a 100644 --- a/Documentation/arm/SA1100/ThinClient +++ b/Documentation/arm/SA1100/GraphicsClient @@ -1,24 +1,21 @@ -Thin Client / Single Board Computer - -The Thin Client, a low cost high power single board computer, has been -designed to provide intuitive graphical displays in embedded systems. +ADS GraphicsClient/ThinClient Single Board Computer For more details, contact Applied Data Systems or see http://www.flatpanels.com/products.html -Current Linux support for this product has been provided by Nicolas Pitre -<nico@cam.org>. +The original Linux support for this product has been provided by +Nicolas Pitre <nico@cam.org>. It's currently possible to mount a root filesystem via NFS providing a complete Linux environment. Otherwise a ramdisk image may be used. Use -'make thinclient_config' before any 'make config'. This will set up -defaults for ThinClient support. +'make graphicsclient_config' before any 'make config'. This will set up +defaults for GraphicsClient/ThinClient support. The kernel zImage is linked to be loaded and executed at 0xc0200000. Also the following registers should have the specified values upon entry: r0 = 0 - r1 = 24 (this is the ThinClient architecture number) + r1 = 29 (this is the GraphicsClient architecture number) Here is a tipical angel.opt option file if the kernel is loaded through the Angel Debug Monitor: @@ -27,7 +24,7 @@ the Angel Debug Monitor: base 0xc0200000 entry 0xc0200000 r0 0x00000000 -r1 0x00000018 +r1 0x0000001d device /dev/ttyS1 options "9600 8N1" baud 115200 @@ -41,7 +38,7 @@ uncommented) would be loaded with: angelboot -f angelboot.opt zImage -Here it is assumed that the ThinClient is connected to ttyS1 on your PC +Here it is assumed that the board is connected to ttyS1 on your PC and that minicom is preconfigured with /dev/ttyS1, 9600 baud, 8N1, no flow control by default. @@ -54,13 +51,13 @@ Supported peripherals: - on-board SMC 92C94 ethernet NIC - SA1100 serial port - flash memory access +- pcmcia - possibly UCB1200 audio (not tested yet) To do: - touchscreen driver - 16bpp frame buffer support - extra (external) serial port driver -- pcmcia - some console keyboard support (maybe IR?) - everything else! :-) diff --git a/Documentation/arm/SA1100/Pangolin b/Documentation/arm/SA1100/Pangolin new file mode 100644 index 000000000..88cff5bf1 --- /dev/null +++ b/Documentation/arm/SA1100/Pangolin @@ -0,0 +1,25 @@ +Pangolin is a StrongARM 1110-based evaluation platform produced +by Dialogue Technoloy (http://www.dialogue.com.tw/). +It has EISA slots for ease of configuration with SDRAM/Flash +memory card, USB/Serial/Audio card, Compact Flash card, +and TFT-LCD card. +This platform is currently under development. + +To compile for Pangolin, you must issue the following commands: + + make pangolin_config + make config + [accept all defaults] + make dep + make zImage + +Supported peripherals: +- SA1110 serial port +- flash memory access + +Testing: +- pcmcia driver +- sound driver + +To do: +- MQ-200 driver diff --git a/Documentation/arm/SA1100/serial_UART b/Documentation/arm/SA1100/serial_UART new file mode 100644 index 000000000..3807dea19 --- /dev/null +++ b/Documentation/arm/SA1100/serial_UART @@ -0,0 +1,65 @@ +The SA1100 serial port finally had its major/minor numbers officially +assigned: + +> Date: Sun, 24 Sep 2000 21:40:27 -0700 +> From: H. Peter Anvin <hpa@transmeta.com> +> To: Nicolas Pitre <nico@CAM.ORG> +> Cc: Device List Maintainer <device@lanana.org> +> Subject: Re: device +> +> Okay. Note that device numbers 204 and 205 are used for "low density +> serial devices", so you will have a range of minors on those majors (the +> tty device layer handles this just fine, so you don't have to worry about +> doing anything special.) +> +> So your assignments are: +> +> 204 char Low-density serial ports +> 5 = /dev/ttySA0 SA1100 builtin serial port 0 +> 6 = /dev/ttySA1 SA1100 builtin serial port 1 +> 7 = /dev/ttySA2 SA1100 builtin serial port 2 +> +> 205 char Low-density serial ports (alternate device) +> 5 = /dev/cusa0 Callout device for ttySA0 +> 6 = /dev/cusa1 Callout device for ttySA1 +> 7 = /dev/cusa2 Callout device for ttySA2 +> + +So, if you're not using devfs, you must create those inodes in /dev +on the root filesystem used by your SA1100-based device: + + mknod ttySA0 c 204 5 + mknod ttySA1 c 204 6 + mknod ttySA2 c 204 7 + mknod cusa0 c 205 5 + mknod cusa1 c 205 6 + mknod cusa2 c 205 7 + +Note that the old incorrect use of /dev/ttyS0 in order to use the serial port +won't work anymore. This device node is reserved to the conventionnal 16x50 +UART which may appear on devices like PCMCIA modem, etc. + +In addition to the creation of the appropriate device nodes above, you must +ensure your user space applications make use of the correct device name. +The classic example is the content of the /etc/inittab where you might have +a getty process started on ttyS0. In this case you have two choices: + +1- replace occurences of ttyS0 with ttySA0, ttyS1 with ttySA1, etc. + +2- in the occurence of 'ttyS0', you may consider replacing it with 'console'. + as in "T0:12345:respawn:/sbin/getty -L console 9600 vt100" + +(don't forget to add 'ttySA0', 'console', or the appropriate tty name + in /etc/securetty for root to be allowed to login as well.) + +The use of /dev/console has the advantage of being independent of the real +serial device used. The kernel automatically forward all operations on +/dev/console to the apropriate serial device. The nature of the console may +also be modified with a kernel command line parameter (see +Documentation/serial-console.txt for the details). Of course, +/dev/console must have been created as a char device with major 5 minor 1. + +Using /dev/console is also compatible with older kernels that used /dev/ttyS0. +Therefore it is handy for ramdisk images which are targetted for different +StrongARM platforms and older kernels. + |