linux-kernel - [PATCH v3 1/4] mfd: intel-m10-bmc: Fix the register access range

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Message-Id: <1614578385-26955-2-git-send-email-yilun.xu@intel.com>
Date:   Mon,  1 Mar 2021 13:59:42 +0800
From:   Xu Yilun <yilun.xu@...el.com>
To:     lee.jones@...aro.org, linux-kernel@...r.kernel.org
Cc:     trix@...hat.com, yilun.xu@...el.com,
        matthew.gerlach@...ux.intel.com, russell.h.weight@...el.com,
        lgoncalv@...hat.com, hao.wu@...el.com
Subject: [PATCH v3 1/4] mfd: intel-m10-bmc: Fix the register access range

This patch fixes the max register address of MAX 10 BMC. The range
0x20000000 ~ 0x200000fc are for control registers of the QSPI flash
controller, which are not accessible to host.

Signed-off-by: Xu Yilun <yilun.xu@...el.com>
Reviewed-by: Tom Rix <trix@...hat.com>
---
v2: no change.
v3: no change, rebased to 5.12-rc1
---
 include/linux/mfd/intel-m10-bmc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mfd/intel-m10-bmc.h b/include/linux/mfd/intel-m10-bmc.h
index 74d4e19..9b54ca1 100644
--- a/include/linux/mfd/intel-m10-bmc.h
+++ b/include/linux/mfd/intel-m10-bmc.h
@@ -11,7 +11,7 @@
 
 #define M10BMC_LEGACY_SYS_BASE		0x300400
 #define M10BMC_SYS_BASE			0x300800
-#define M10BMC_MEM_END			0x200000fc
+#define M10BMC_MEM_END			0x1fffffff
 
 /* Register offset of system registers */
 #define NIOS2_FW_VERSION		0x0
-- 
2.7.4