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[MTD] [NAND] TXx9: add NDFMC support

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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>
This commit is contained in:
Atsushi Nemoto
2009-03-04 12:01:31 -08:00
committed by David Woodhouse
parent fc371a25ea
commit a591f5d35e
8 changed files with 98 additions and 0 deletions
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21
arch/mips/txx9/generic/setup_tx4938.c
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@@ -23,6 +23,7 @@
#include <asm/txx9tmr.h>
#include <asm/txx9pio.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/ndfmc.h>
#include <asm/txx9/tx4938.h>
static void __init tx4938_wdr_init(void)
@@ -382,6 +383,26 @@ void __init tx4938_ata_init(unsigned int irq, unsigned int shift, int tune)
platform_device_put(pdev);
}
void __init tx4938_ndfmc_init(unsigned int hold, unsigned int spw)
{
struct txx9ndfmc_platform_data plat_data = {
.shift = 1,
.gbus_clock = txx9_gbus_clock,
.hold = hold,
.spw = spw,
.ch_mask = 1,
};
unsigned long baseaddr = TX4938_NDFMC_REG & 0xfffffffffULL;
#ifdef __BIG_ENDIAN
baseaddr += 4;
#endif
if ((__raw_readq(&tx4938_ccfgptr->pcfg) &
(TX4938_PCFG_ATA_SEL|TX4938_PCFG_ISA_SEL|TX4938_PCFG_NDF_SEL)) ==
TX4938_PCFG_NDF_SEL)
txx9_ndfmc_init(baseaddr, &plat_data);
}
static void __init tx4938_stop_unused_modules(void)
{
__u64 pcfg, rst = 0, ckd = 0;