From: Li Yang <leoli@freescale.com>
To: galak@kernel.crashing.org, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 3/3] fsl_rio: fix non-standard HID1 register access
Date: Fri, 18 Jun 2010 13:29:18 +0800 [thread overview]
Message-ID: <1276838958-28947-3-git-send-email-leoli@freescale.com> (raw)
In-Reply-To: <1276838958-28947-2-git-send-email-leoli@freescale.com>
The access to HID1 register is only legitimate for e500 v1/v2 cores.
Signed-off-by: Li Yang <leoli@freescale.com>
---
arch/powerpc/sysdev/fsl_rio.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 954a754..785a882 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1523,9 +1523,12 @@ int fsl_rio_setup(struct of_device *dev)
#ifdef CONFIG_E500
saved_mcheck_exception = ppc_md.machine_check_exception;
ppc_md.machine_check_exception = fsl_rio_mcheck_exception;
-#endif
- /* Ensure that RFXE is set */
+
+#ifndef CONFIG_E500MC
+ /* Ensure that RFXE is set on e500 v1/v2 */
mtspr(SPRN_HID1, (mfspr(SPRN_HID1) | 0x20000));
+#endif /* !E500MC */
+#endif /* E500 */
return 0;
err:
--
1.6.4
next prev parent reply other threads:[~2010-06-18 5:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-18 5:29 [PATCH 1/3] fsl_rio: fix compile errors Li Yang
2010-06-18 5:29 ` [PATCH 2/3] fsl_rio: fix machine check exception for e500mc Li Yang
2010-06-18 5:29 ` Li Yang [this message]
2010-06-18 5:46 ` [PATCH 3/3] fsl_rio: fix non-standard HID1 register access Geert Uytterhoeven
2010-06-18 5:51 ` Kumar Gala
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