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path: root/drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c
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Diffstat (limited to 'drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c')
-rw-r--r--drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c b/drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c
new file mode 100644
index 000000000000..699dea8d9533
--- /dev/null
+++ b/drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c
@@ -0,0 +1,80 @@
+/*
+ * Freescale GPMI NFC NAND Flash Driver
+ *
+ * Copyright (C) 2010-2011 Freescale Semiconductor, Inc.
+ * Copyright (C) 2008 Embedded Alley Solutions, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "gpmi-nfc.h"
+
+/**
+ * set_geometry() - Sets geometry for the Boot ROM Helper.
+ *
+ * @this: Per-device data.
+ */
+static int set_geometry(struct gpmi_nfc_data *this)
+{
+ struct gpmi_nfc_platform_data *pdata = this->pdata;
+ struct boot_rom_geometry *geometry = &this->rom_geometry;
+ int error;
+
+ /* Version-independent geometry. */
+
+ error = gpmi_nfc_rom_helper_set_geometry(this);
+
+ if (error)
+ return error;
+
+ /*
+ * Check if the platform data indicates we are to protect the boot area.
+ */
+
+ if (!pdata->boot_area_size_in_bytes) {
+ geometry->boot_area_count = 0;
+ geometry->boot_area_size_in_bytes = 0;
+ return 0;
+ }
+
+ /*
+ * If control arrives here, we are supposed to set up partitions to
+ * protect the boot areas. In this version of the ROM, we support only
+ * one boot area.
+ */
+
+ geometry->boot_area_count = 1;
+
+ /*
+ * Use the platform's boot area size.
+ */
+
+ geometry->boot_area_size_in_bytes = pdata->boot_area_size_in_bytes;
+
+ /* Return success. */
+
+ return 0;
+
+}
+
+/* This structure represents the Boot ROM Helper for this version. */
+
+struct boot_rom_helper gpmi_nfc_boot_rom_helper_v1 = {
+ .version = 1,
+ .description = "Single-chip boot area, "
+ "block mark swapping supported",
+ .swap_block_mark = true,
+ .set_geometry = set_geometry,
+};