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85xx/fsl-sata: Use is_serdes_configured() to determine if SATA is enabled

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On the MPC85xx platform if we have SATA its connected on SERDES.
Determing if SATA is enabled via sata_initialize should not be board
specific and thus we move it out of the MPC8536DS board code.

Additionally, now that we have is_serdes_configured() we can determine
if the given SATA port is enabled and error out if its not in the
driver.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala
2010-04-20 10:21:25 -05:00
parent 54648985e2
commit f54fe87ace
3 changed files with 26 additions and 13 deletions
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14
arch/powerpc/cpu/mpc85xx/cpu_init.c
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@ -1,5 +1,5 @@
/*
* Copyright 2007-2009 Freescale Semiconductor, Inc.
* Copyright 2007-2010 Freescale Semiconductor, Inc.
*
* (C) Copyright 2003 Motorola Inc.
* Modified by Xianghua Xiao, X.Xiao@motorola.com
@ -30,9 +30,11 @@
#include <watchdog.h>
#include <asm/processor.h>
#include <ioports.h>
#include <sata.h>
#include <asm/io.h>
#include <asm/mmu.h>
#include <asm/fsl_law.h>
#include <asm/fsl_serdes.h>
#include "mp.h"
DECLARE_GLOBAL_DATA_PTR;
@ -418,3 +420,13 @@ void arch_preboot_os(void)
setup_ivors();
}
#if defined(CONFIG_CMD_SATA) && defined(CONFIG_FSL_SATA)
int sata_initialize(void)
{
if (is_serdes_configured(SATA1) || is_serdes_configured(SATA2))
return __sata_initialize();
return 1;
}
#endif