ARM: uniphier: rework spl_boot_device() and related code
The current implementation has ugly switch statements here and there,
and duplicates similar code. Rework it using table lookups for SoC
data and reduce code duplication.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/boot-device/boot-device-ld4.c b/arch/arm/mach-uniphier/boot-device/boot-device-ld4.c
new file mode 100644
index 0000000..b5d2321
--- /dev/null
+++ b/arch/arm/mach-uniphier/boot-device/boot-device-ld4.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2014 Panasonic Corporation
+ * Copyright (C) 2015-2017 Socionext Inc.
+ * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+
+#include "boot-device.h"
+
+const struct uniphier_boot_device uniphier_ld4_boot_device_table[] = {
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 128KB, Addr 4)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 24, EraseSize 1MB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 4, ECC 24, EraseSize 1MB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 24, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, ONFI, Addr 4)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 24, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 4, ECC 24, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 24, ONFI, Addr 5)"},
+ {BOOT_DEVICE_MMC1, "eMMC (3.3V)"},
+ {BOOT_DEVICE_MMC1, "eMMC (1.8V)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NOR, "NOR (XECS0)"},
+};
+
+const unsigned uniphier_ld4_boot_device_count =
+ ARRAY_SIZE(uniphier_ld4_boot_device_table);