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>

1 files changed, 0 insertions, 24 deletions

diff --git a/arch/arm/mach-uniphier/boot-mode/boot-mode.c b/arch/arm/mach-uniphier/boot-mode/boot-mode.c
index 6ce3273..4e1142b 100644
--- 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;
-}