[MTD] [NAND] TXx9: add NDFMC support

Add platform support for NAND Flash Memory Controller of TXx9 SoCs.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-By: Ralf Bächle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

3 files changed, 33 insertions, 0 deletions

diff --git a/arch/mips/include/asm/txx9/ndfmc.h b/arch/mips/include/asm/txx9/ndfmc.h
new file mode 100644
index 000000000000..fa67f3df78fc
--- /dev/null
+++ b/arch/mips/include/asm/txx9/ndfmc.h
@@ -0,0 +1,30 @@
+/*
+ * 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.
+ *
+ * (C) Copyright TOSHIBA CORPORATION 2007
+ */
+#ifndef __ASM_TXX9_NDFMC_H
+#define __ASM_TXX9_NDFMC_H
+
+#define NDFMC_PLAT_FLAG_USE_BSPRT       0x01
+#define NDFMC_PLAT_FLAG_NO_RSTR         0x02
+#define NDFMC_PLAT_FLAG_HOLDADD         0x04
+#define NDFMC_PLAT_FLAG_DUMMYWRITE      0x08
+
+struct txx9ndfmc_platform_data {
+        unsigned int shift;
+        unsigned int gbus_clock;
+        unsigned int hold;              /* hold time in nanosecond */
+        unsigned int spw;               /* strobe pulse width in nanosecond */
+        unsigned int flags;
+        unsigned char ch_mask;          /* available channel bitmask */
+        unsigned char wp_mask;          /* write-protect bitmask */
+        unsigned char wide_mask;        /* 16bit-nand bitmask */
+};
+
+void txx9_ndfmc_init(unsigned long baseaddr,
+                     const struct txx9ndfmc_platform_data *plat_data);
+
+#endif /* __ASM_TXX9_NDFMC_H */
diff --git a/arch/mips/include/asm/txx9/tx4938.h b/arch/mips/include/asm/txx9/tx4938.h
index 0b068154054c..cd8bc2021755 100644
--- a/arch/mips/include/asm/txx9/tx4938.h
+++ b/arch/mips/include/asm/txx9/tx4938.h
@@ -291,6 +291,7 @@ int tx4938_pcic1_map_irq(const struct pci_dev *dev, u8 slot);
 void tx4938_setup_pcierr_irq(void);
 void tx4938_irq_init(void);
 void tx4938_mtd_init(int ch);
+void tx4938_ndfmc_init(unsigned int hold, unsigned int spw);
 
 struct tx4938ide_platform_info {
         /*
diff --git a/arch/mips/include/asm/txx9/tx4939.h b/arch/mips/include/asm/txx9/tx4939.h
index 964ef7ede268..f02c50b3abfb 100644
--- a/arch/mips/include/asm/txx9/tx4939.h
+++ b/arch/mips/include/asm/txx9/tx4939.h
@@ -542,5 +542,7 @@ int tx4939_irq(void);
 void tx4939_mtd_init(int ch);
 void tx4939_ata_init(void);
 void tx4939_rtc_init(void);
+void tx4939_ndfmc_init(unsigned int hold, unsigned int spw,
+                       unsigned char ch_mask, unsigned char wide_mask);
 
 #endif /* __ASM_TXX9_TX4939_H */