u-boot/arch/arm/cpu/arm926ejs/mx25/asm-offsets.c
Matthias Weisser 23210d8e1b imx: Add auto generation of asm-offsets.h for imx25
Offsets to registers may be needed in asm code. This patch adds automated
generation of these offsets form C structures.

Signed-off-by: Matthias Weisser <weisserm@arcor.de>
2011-07-14 15:41:24 +02:00

60 lines
2.3 KiB
C

/*
* Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
*
* This program is used to generate definitions needed by
* assembly language modules.
*
* We use the technique used in the OSF Mach kernel code:
* generate asm statements containing #defines,
* compile this file to assembler, and then extract the
* #defines from the assembly-language output.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <common.h>
#include <asm/arch/imx-regs.h>
#include <linux/kbuild.h>
int main(void)
{
/* Clock Control Module */
DEFINE(CCM_CCTL, offsetof(struct ccm_regs, cctl));
DEFINE(CCM_CGCR0, offsetof(struct ccm_regs, cgr0));
DEFINE(CCM_CGCR1, offsetof(struct ccm_regs, cgr1));
DEFINE(CCM_CGCR2, offsetof(struct ccm_regs, cgr2));
DEFINE(CCM_PCDR2, offsetof(struct ccm_regs, pcdr[2]));
DEFINE(CCM_MCR, offsetof(struct ccm_regs, mcr));
/* Enhanced SDRAM Controller */
DEFINE(ESDRAMC_ESDCTL0, offsetof(struct esdramc_regs, ctl0));
DEFINE(ESDRAMC_ESDCFG0, offsetof(struct esdramc_regs, cfg0));
DEFINE(ESDRAMC_ESDMISC, offsetof(struct esdramc_regs, misc));
/* Multi-Layer AHB Crossbar Switch */
DEFINE(MAX_MPR0, offsetof(struct max_regs, mpr0));
DEFINE(MAX_SGPCR0, offsetof(struct max_regs, sgpcr0));
DEFINE(MAX_MPR1, offsetof(struct max_regs, mpr1));
DEFINE(MAX_SGPCR1, offsetof(struct max_regs, sgpcr1));
DEFINE(MAX_MPR2, offsetof(struct max_regs, mpr2));
DEFINE(MAX_SGPCR2, offsetof(struct max_regs, sgpcr2));
DEFINE(MAX_MPR3, offsetof(struct max_regs, mpr3));
DEFINE(MAX_SGPCR3, offsetof(struct max_regs, sgpcr3));
DEFINE(MAX_MPR4, offsetof(struct max_regs, mpr4));
DEFINE(MAX_SGPCR4, offsetof(struct max_regs, sgpcr4));
DEFINE(MAX_MGPCR0, offsetof(struct max_regs, mgpcr0));
DEFINE(MAX_MGPCR1, offsetof(struct max_regs, mgpcr1));
DEFINE(MAX_MGPCR2, offsetof(struct max_regs, mgpcr2));
DEFINE(MAX_MGPCR3, offsetof(struct max_regs, mgpcr3));
DEFINE(MAX_MGPCR4, offsetof(struct max_regs, mgpcr4));
/* AHB <-> IP-Bus Interface */
DEFINE(AIPS_MPR_0_7, offsetof(struct aips_regs, mpr_0_7));
DEFINE(AIPS_MPR_8_15, offsetof(struct aips_regs, mpr_8_15));
return 0;
}