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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2008-08-19 22:55:11 +0900
committerRalf Baechle <ralf@linux-mips.org>2008-10-11 16:18:42 +0100
commit51f607c76e1e7bd089dcad97b6b0a58649be06a3 (patch)
treebcf9389a1e3bcd347d7c560163d2c014d804a162 /arch/mips/txx9/generic/setup_tx3927.c
parentc7b95bcb38ea492fd025008ef99501a2b90aa237 (diff)
MIPS: TXx9: Add mtd support
Add helper routines to register physmap-flash platform devices for NOR flashes. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/txx9/generic/setup_tx3927.c')
-rw-r--r--arch/mips/txx9/generic/setup_tx3927.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/mips/txx9/generic/setup_tx3927.c b/arch/mips/txx9/generic/setup_tx3927.c
index 06c49257607..9505d58454c 100644
--- a/arch/mips/txx9/generic/setup_tx3927.c
+++ b/arch/mips/txx9/generic/setup_tx3927.c
@@ -15,6 +15,7 @@
#include <linux/delay.h>
#include <linux/param.h>
#include <linux/io.h>
+#include <linux/mtd/physmap.h>
#include <asm/mipsregs.h>
#include <asm/txx9irq.h>
#include <asm/txx9tmr.h>
@@ -121,3 +122,16 @@ void __init tx3927_sio_init(unsigned int sclk, unsigned int cts_mask)
TXX9_IRQ_BASE + TX3927_IR_SIO(i),
i, sclk, (1 << i) & cts_mask);
}
+
+void __init tx3927_mtd_init(int ch)
+{
+ struct physmap_flash_data pdata = {
+ .width = TX3927_ROMC_WIDTH(ch) / 8,
+ };
+ unsigned long start = txx9_ce_res[ch].start;
+ unsigned long size = txx9_ce_res[ch].end - start + 1;
+
+ if (!(tx3927_romcptr->cr[ch] & 0x8))
+ return; /* disabled */
+ txx9_physmap_flash_init(ch, start, size, &pdata);
+}