u-boot/board/bubinga405ep/init.S
wdenk 8bde7f776c * 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

56 lines
2.4 KiB
ArmAsm

/*------------------------------------------------------------------------------+ */
/* */
/* This source code has been made available to you by IBM on an AS-IS */
/* basis. Anyone receiving this source is licensed under IBM */
/* copyrights to use it in any way he or she deems fit, including */
/* copying it, modifying it, compiling it, and redistributing it either */
/* with or without modifications. No license under IBM patents or */
/* patent applications is to be implied by the copyright license. */
/* */
/* Any user of this software should understand that IBM cannot provide */
/* technical support for this software and will not be responsible for */
/* any consequences resulting from the use of this software. */
/* */
/* Any person who transfers this source code or any derivative work */
/* must include the IBM copyright notice, this paragraph, and the */
/* preceding two paragraphs in the transferred software. */
/* */
/* COPYRIGHT I B M CORPORATION 1995 */
/* LICENSED MATERIAL - PROGRAM PROPERTY OF I B M */
/*------------------------------------------------------------------------------- */
/*----------------------------------------------------------------------------- */
/* Function: ext_bus_cntlr_init */
/* Description: Initializes the External Bus Controller for the external */
/* peripherals. IMPORTANT: For pass1 this code must run from */
/* cache since you can not reliably change a peripheral banks */
/* timing register (pbxap) while running code from that bank. */
/* For ex., since we are running from ROM on bank 0, we can NOT */
/* execute the code that modifies bank 0 timings from ROM, so */
/* we run it from cache. */
/* Bank 0 - Flash and SRAM */
/* Bank 1 - NVRAM/RTC */
/* Bank 2 - Keyboard/Mouse controller */
/* Bank 3 - IR controller */
/* Bank 4 - not used */
/* Bank 5 - not used */
/* Bank 6 - not used */
/* Bank 7 - FPGA registers */
/*----------------------------------------------------------------------------- */
#include <ppc4xx.h>
#include <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#include <asm/mmu.h>
/*----------------------------------------------------------------------------- */
/* Function: sdram_init */
/* Description: Dummy implementation here - done in C later */
/*----------------------------------------------------------------------------- */
.globl sdram_init
sdram_init:
blr