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https://github.com/AsahiLinux/u-boot
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254d68b601
U-Boot has supported two kinds of asm-offsets.h.
One is generic for all architectures and its source is located at
./lib/asm-offsets.c.
The other is SoC specific and its source is under SoC directory.
The problem here is that only boards with SoC directory can use
the asm-offsets infrastructure.
Putting asm-offsets.c right under CPU directory does not work.
Now a new demand is coming. PowerPC folks want to use asm-offsets.
But no PowerPC boards have SoC directory.
It seems inconsistent that some boards add asm-offsets.c to SoC
directoreis and some to CPU directories.
It looks more reasonable to put asm-offsets.c under arch/$(ARCH)/lib.
This commit merges asm-offsets.c under SoC directories into
arch/$(ARCH)/lib/asm-offsets.c.
By the way, I doubt the necessity of some entries in asm-offsets.c.
I am leaving refactoring to the board maintainers.
Please check "TODO" in the comment blocks in
arch/{arm,nds32}/lib/asm-offsets.c.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Yuantian Tang <Yuantian.Tang@freescale.com>
82 lines
3 KiB
C
82 lines
3 KiB
C
/*
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* Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
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*
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* Generate definitions needed by assembly language modules.
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* This code generates raw asm output which is post-processed to extract
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* and format the required data.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <common.h>
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#include <linux/kbuild.h>
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int main(void)
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{
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/*
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* TODO : Check if each entry in this file is really necessary.
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* - struct ftahbc02s
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* - struct ftsdmc021
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* - struct andes_pcu
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* - struct dwcddr21mctl
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* are used only for generating asm-offsets.h.
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* It means their offset addresses are referenced only from assembly
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* code. Is it better to define the macros directly in headers?
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*/
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#ifdef CONFIG_FTSMC020
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OFFSET(FTSMC020_BANK0_CR, ftsmc020, bank[0].cr);
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OFFSET(FTSMC020_BANK0_TPR, ftsmc020, bank[0].tpr);
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#endif
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BLANK();
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#ifdef CONFIG_FTAHBC020S
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OFFSET(FTAHBC020S_SLAVE_BSR_4, ftahbc02s, s_bsr[4]);
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OFFSET(FTAHBC020S_SLAVE_BSR_6, ftahbc02s, s_bsr[6]);
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OFFSET(FTAHBC020S_CR, ftahbc02s, cr);
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#endif
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BLANK();
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#ifdef CONFIG_FTPMU010
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OFFSET(FTPMU010_PDLLCR0, ftpmu010, PDLLCR0);
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#endif
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BLANK();
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#ifdef CONFIG_FTSDMC021
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OFFSET(FTSDMC021_TP1, ftsdmc021, tp1);
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OFFSET(FTSDMC021_TP2, ftsdmc021, tp2);
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OFFSET(FTSDMC021_CR1, ftsdmc021, cr1);
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OFFSET(FTSDMC021_CR2, ftsdmc021, cr2);
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OFFSET(FTSDMC021_BANK0_BSR, ftsdmc021, bank0_bsr);
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OFFSET(FTSDMC021_BANK1_BSR, ftsdmc021, bank1_bsr);
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OFFSET(FTSDMC021_BANK2_BSR, ftsdmc021, bank2_bsr);
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OFFSET(FTSDMC021_BANK3_BSR, ftsdmc021, bank3_bsr);
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#endif
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BLANK();
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#ifdef CONFIG_ANDES_PCU
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OFFSET(ANDES_PCU_PCS4, andes_pcu, pcs4.parm); /* 0x104 */
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#endif
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BLANK();
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#ifdef CONFIG_DWCDDR21MCTL
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OFFSET(DWCDDR21MCTL_CCR, dwcddr21mctl, ccr); /* 0x04 */
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OFFSET(DWCDDR21MCTL_DCR, dwcddr21mctl, dcr); /* 0x04 */
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OFFSET(DWCDDR21MCTL_IOCR, dwcddr21mctl, iocr); /* 0x08 */
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OFFSET(DWCDDR21MCTL_CSR, dwcddr21mctl, csr); /* 0x0c */
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OFFSET(DWCDDR21MCTL_DRR, dwcddr21mctl, drr); /* 0x10 */
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OFFSET(DWCDDR21MCTL_DLLCR0, dwcddr21mctl, dllcr[0]); /* 0x24 */
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OFFSET(DWCDDR21MCTL_DLLCR1, dwcddr21mctl, dllcr[1]); /* 0x28 */
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OFFSET(DWCDDR21MCTL_DLLCR2, dwcddr21mctl, dllcr[2]); /* 0x2c */
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OFFSET(DWCDDR21MCTL_DLLCR3, dwcddr21mctl, dllcr[3]); /* 0x30 */
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OFFSET(DWCDDR21MCTL_DLLCR4, dwcddr21mctl, dllcr[4]); /* 0x34 */
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OFFSET(DWCDDR21MCTL_DLLCR5, dwcddr21mctl, dllcr[5]); /* 0x38 */
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OFFSET(DWCDDR21MCTL_DLLCR6, dwcddr21mctl, dllcr[6]); /* 0x3c */
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OFFSET(DWCDDR21MCTL_DLLCR7, dwcddr21mctl, dllcr[7]); /* 0x40 */
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OFFSET(DWCDDR21MCTL_DLLCR8, dwcddr21mctl, dllcr[8]); /* 0x44 */
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OFFSET(DWCDDR21MCTL_DLLCR9, dwcddr21mctl, dllcr[9]); /* 0x48 */
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OFFSET(DWCDDR21MCTL_RSLR0, dwcddr21mctl, rslr[0]); /* 0x4c */
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OFFSET(DWCDDR21MCTL_RDGR0, dwcddr21mctl, rdgr[0]); /* 0x5c */
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OFFSET(DWCDDR21MCTL_DTAR, dwcddr21mctl, dtar); /* 0xa4 */
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OFFSET(DWCDDR21MCTL_MR, dwcddr21mctl, mr); /* 0x1f0 */
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#endif
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return 0;
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}
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