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upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/powerpc/cpu/mpc824x/drivers/epic/epicutil.S

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Initial revision
23 years ago
/**************************************
*
* copyright @ Motorola, 1999
*
*
* This file contains two commonly used
* lower level utility routines.
*
* The utility routines are also in other
* Kahlua device driver libraries. The
* need to be linked in only once.
**************************************/
#include <ppc_asm.tmpl>
#include <ppc_defs.h>
/**********************************************************
* function: load_runtime_reg
*
* input: r3 - value of eumbbar
* r4 - register offset in embedded utility space
*
* output: r3 - register content
**********************************************************/
.text
.align 2
.global load_runtime_reg
load_runtime_reg:
xor r5,r5,r5
* 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)
22 years ago
or r5,r5,r3 /* save eumbbar */
Initial revision
23 years ago
lwbrx r3,r4,r5
sync
* 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)
22 years ago
bclr 20, 0
Initial revision
23 years ago
/****************************************************************
* 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)
22 years ago
.text
.align 2
.global store_runtime_reg
Initial revision
23 years ago
store_runtime_reg:
xor r0,r0,r0
stwbrx r5, r4, r3
sync
bclr 20,0