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From: Alexander Holler <holler@ahsoftware.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] arm: timer_init() and bss (relocation)
Date: Sat, 22 Jan 2011 07:07:58 +0100	[thread overview]
Message-ID: <4D3A743E.8010009@ahsoftware.de> (raw)

Hello,

because I still have problems where I think the problem is the 
relocation, I've had a look at some timer code.

E.g. in arch/arm/cpu/arm926ejs/kirkwood/timer.c  on top there is

struct kwtmr_registers *kwtmr_regs = (struct kwtmr_registers 
*)KW_TIMER_BASE;

which is used in timer_init().

In arch/arm/cpu/armv7/omap-common/timer.c we have

static struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE;

which is used in timer_init() too.

(I assume similiar code is used in more files, I've just had a look at 
those two.)

timer_init() is called in board_init_f() through init_sequence, that 
means before relocation.

Did I miss something, or I'm right that this is a problem because those 
two variables are stored in bss but are accessed before relocation?

Regards,

Alexander

             reply	other threads:[~2011-01-22  6:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-22  6:07 Alexander Holler [this message]
2011-01-22  6:38 ` [U-Boot] arm: timer_init() and bss (relocation) John Rigby
2011-01-22  7:13   ` Alexander Holler
2011-01-22  7:21     ` Reinhard Meyer
2011-01-22  7:40       ` Albert ARIBAUD

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