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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/drivers/mtd/onenand/onenand_uboot.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/drivers/mtd/onenand/onenand_uboot.c')
-rw-r--r--qemu/roms/u-boot/drivers/mtd/onenand/onenand_uboot.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/mtd/onenand/onenand_uboot.c b/qemu/roms/u-boot/drivers/mtd/onenand/onenand_uboot.c
new file mode 100644
index 000000000..ae60c3bb7
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/mtd/onenand/onenand_uboot.c
@@ -0,0 +1,56 @@
+/*
+ * drivers/mtd/onenand/onenand_uboot.c
+ *
+ * Copyright (C) 2005-2008 Samsung Electronics
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * OneNAND initialization at U-Boot
+ */
+
+#include <common.h>
+#include <linux/compat.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+
+struct mtd_info onenand_mtd;
+struct onenand_chip onenand_chip;
+static __attribute__((unused)) char dev_name[] = "onenand0";
+
+void onenand_init(void)
+{
+ memset(&onenand_mtd, 0, sizeof(struct mtd_info));
+ memset(&onenand_chip, 0, sizeof(struct onenand_chip));
+
+ onenand_mtd.priv = &onenand_chip;
+
+#ifdef CONFIG_USE_ONENAND_BOARD_INIT
+ /*
+ * It's used for some board init required
+ */
+ onenand_board_init(&onenand_mtd);
+#else
+ onenand_chip.base = (void *) CONFIG_SYS_ONENAND_BASE;
+#endif
+
+ onenand_scan(&onenand_mtd, 1);
+
+ if (onenand_chip.device_id & DEVICE_IS_FLEXONENAND)
+ puts("Flex-");
+ puts("OneNAND: ");
+ print_size(onenand_chip.chipsize, "\n");
+
+#ifdef CONFIG_MTD_DEVICE
+ /*
+ * Add MTD device so that we can reference it later
+ * via the mtdcore infrastructure (e.g. ubi).
+ */
+ onenand_mtd.name = dev_name;
+ add_mtd_device(&onenand_mtd);
+#endif
+}