Arm Interrupt Controller

Try Freescale's Linux port for i.MX27:

JB

hi , thanks for your reply, i dont have knowledge in asm ,can i get the sample code in c language,and where could i get the pin diagram for IMX27,i have searched in the net but i coldnt get the pin diagram.

with regards aswini

hi ,

I got the pin diagram ,pin diagram available in arm926ejs technical reference mannual...,i need a sample code ,because i have to write the code when the external interrupts occurs,pls guide me in this regards

with regards aswini

Le Thu, 17 Jan 2008 22:00:18 -0800, ashu a écrit:

See /proc/interrupts

for example (on ETRAX based board)

[root@ester /]113# cat /proc/interrupts 2: 2490 + timer, + gpio poll 3: 0 fast timer int 6: 0 ETRAX 100LX built-in ethernet controller 8: 0 + serial 11: 0 + gpio PA 16: 90 ETRAX 100LX built-in ethernet controller 17: 98 ETRAX 100LX built-in ethernet controller 22: 185 + serial 0 dma tr 23: 0 + serial 0 dma rec

the first column is the IRQ number. If you want to handle an interrupt in a device driver see "int request_irq(IRQ_Number, ....)" well descrobe in the book Linux device drivers Chap10.

Good Luck.

--
HBV

I'm sure the code that handles the interrupt controller (the device) is in C. There is no need to write it in assembler. Only the interrupt entry and exit functions are written in assembler.

JB

hi friend,

thank u very much for your reply , i got the idea to write the code for arm interrupt controller, can i get the any sample application code for my reference.

with regards aswini