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u-boot/cpu/mpc824x/drivers/dma/dma2.S

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Initial revision
2001-11-28 17:49:55 +00:00
/**************************************
*
* copyright @ Motorola, 1999
*
**************************************/
/**********************************************************
* function: load_runtime_reg
*
* input: r3 - value of eumbbar
* r4 - register offset in embedded utility space
*
* output: r3 - register content
**********************************************************/
* Code cleanup: - remove trailing white space, trailing empty lines, C++ comments, etc. - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c) * Patches by Kenneth Johansson, 25 Jun 2003: - major rework of command structure (work done mostly by Michal Cendrowski and Joakim Kristiansen)
2003-06-27 21:31:46 +00:00
.text
.align 2
.global load_runtime_reg
Initial revision
2001-11-28 17:49:55 +00:00
load_runtime_reg:
* Code cleanup: - remove trailing white space, trailing empty lines, C++ comments, etc. - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c) * Patches by Kenneth Johansson, 25 Jun 2003: - major rework of command structure (work done mostly by Michal Cendrowski and Joakim Kristiansen)
2003-06-27 21:31:46 +00:00
lwbrx r3,r4,r3
sync
Initial revision
2001-11-28 17:49:55 +00:00
* Code cleanup: - remove trailing white space, trailing empty lines, C++ comments, etc. - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c) * Patches by Kenneth Johansson, 25 Jun 2003: - major rework of command structure (work done mostly by Michal Cendrowski and Joakim Kristiansen)
2003-06-27 21:31:46 +00:00
bclr 20, 0
Initial revision
2001-11-28 17:49:55 +00:00
/****************************************************************
* function: store_runtime_reg
*
* input: r3 - value of eumbbar
* r4 - register offset in embedded utility space
* r5 - new value to be stored
*
****************************************************************/
* Code cleanup: - remove trailing white space, trailing empty lines, C++ comments, etc. - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c) * Patches by Kenneth Johansson, 25 Jun 2003: - major rework of command structure (work done mostly by Michal Cendrowski and Joakim Kristiansen)
2003-06-27 21:31:46 +00:00
.text
.align 2
.global store_runtime_reg
Initial revision
2001-11-28 17:49:55 +00:00
store_runtime_reg:
* Code cleanup: - remove trailing white space, trailing empty lines, C++ comments, etc. - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c) * Patches by Kenneth Johansson, 25 Jun 2003: - major rework of command structure (work done mostly by Michal Cendrowski and Joakim Kristiansen)
2003-06-27 21:31:46 +00:00
stwbrx r5, r4, r3
sync
Initial revision
2001-11-28 17:49:55 +00:00
* Code cleanup: - remove trailing white space, trailing empty lines, C++ comments, etc. - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c) * Patches by Kenneth Johansson, 25 Jun 2003: - major rework of command structure (work done mostly by Michal Cendrowski and Joakim Kristiansen)
2003-06-27 21:31:46 +00:00
bclr 20,0
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