ARM: uniphier: move spl_boot_mode() to a separate file

The spl_boot_mode() is unrelated to the other code in this file.
Besides, this function is only called from common/spl/spl_mmc.c,
so it is reasonable to guard with CONFIG_SPL_MMC_SUPPORT.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

diff --git a/arch/arm/mach-uniphier/Makefile b/arch/arm/mach-uniphier/Makefile
index 0eb59fb3eb7006f830ad8906eaabe922b01abdfd..7baec738c785548884859004dda51f3b69c1dda7 100644 (file)
--- a/arch/arm/mach-uniphier/Makefile
+++ b/arch/arm/mach-uniphier/Makefile
@@ -8,6 +8,7 @@ obj-y += boards.o
 obj-y += spl_board_init.o
 obj-y += memconf.o
 obj-y += bcu/
+obj-$(CONFIG_SPL_MMC_SUPPORT) += mmc-boot-mode.o
 
 else
 

diff --git a/arch/arm/mach-uniphier/boot-mode/boot-mode.c b/arch/arm/mach-uniphier/boot-mode/boot-mode.c
index 6ce327371c8f53fab5c6a2a981b178433349df9c..4e1142bd9ddb7f97b87334316570fb9625faa2d3 100644 (file)
--- a/arch/arm/mach-uniphier/boot-mode/boot-mode.c
+++ b/arch/arm/mach-uniphier/boot-mode/boot-mode.c
@@ -76,27 +76,3 @@ u32 spl_boot_device(void)
 
        return mode;
 }
-
-u32 spl_boot_mode(const u32 boot_device)
-{
-       struct mmc *mmc;
-
-       /*
-        * work around a bug in the Boot ROM of PH1-sLD3, LD4, Pro4, and sLD8:
-        *
-        * The boot ROM in these SoCs breaks the PARTITION_CONFIG [179] of
-        * Extended CSD register; when switching to the Boot Partition 1, the
-        * Boot ROM should issue the SWITCH command (CMD6) with Set Bits for
-        * the Access Bits, but in fact it uses Write Byte for the Access Bits.
-        * As a result, the BOOT_PARTITION_ENABLE field of the PARTITION_CONFIG
-        * is lost.  This bug was fixed for PH1-Pro5 and later SoCs.
-        *
-        * Fixup mmc->part_config here because it is used to determine the
-        * partition which the U-Boot image is read from.
-        */
-       mmc = find_mmc_device(0);
-       mmc->part_config &= ~EXT_CSD_BOOT_PART_NUM(PART_ACCESS_MASK);
-       mmc->part_config |= EXT_CSD_BOOT_PARTITION_ENABLE;
-
-       return MMCSD_MODE_EMMCBOOT;
-}

diff --git a/arch/arm/mach-uniphier/mmc-boot-mode.c b/arch/arm/mach-uniphier/mmc-boot-mode.c
new file mode 100644 (file)
index 0000000..d60c578
--- /dev/null
+++ b/arch/arm/mach-uniphier/mmc-boot-mode.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <mmc.h>
+#include <spl.h>
+
+u32 spl_boot_mode(const u32 boot_device)
+{
+       struct mmc *mmc;
+
+       /*
+        * work around a bug in the Boot ROM of PH1-sLD3, LD4, Pro4, and sLD8:
+        *
+        * The boot ROM in these SoCs breaks the PARTITION_CONFIG [179] of
+        * Extended CSD register; when switching to the Boot Partition 1, the
+        * Boot ROM should issue the SWITCH command (CMD6) with Set Bits for
+        * the Access Bits, but in fact it uses Write Byte for the Access Bits.
+        * As a result, the BOOT_PARTITION_ENABLE field of the PARTITION_CONFIG
+        * is lost.  This bug was fixed for PH1-Pro5 and later SoCs.
+        *
+        * Fixup mmc->part_config here because it is used to determine the
+        * partition which the U-Boot image is read from.
+        */
+       mmc = find_mmc_device(0);
+       mmc->part_config &= ~EXT_CSD_BOOT_PART_NUM(PART_ACCESS_MASK);
+       mmc->part_config |= EXT_CSD_BOOT_PARTITION_ENABLE;
+
+       return MMCSD_MODE_EMMCBOOT;
+}