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MIPS: TXx9: Add mtd support

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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>
This commit is contained in:
Atsushi Nemoto
2008-08-19 22:55:11 +09:00
committed by Ralf Baechle
parent c7b95bcb38
commit 51f607c76e
11 changed files with 150 additions and 0 deletions
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14
arch/mips/txx9/generic/setup_tx3927.c
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@ -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);
}