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MIPS: TXx9: Add TX4939 ATA support (v2) 

Add a helper routine to register tx4939ide driver and use it on
RBTX4939 board.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto 2008-09-18 00:13:58 +09:00 committed by Ralf Baechle
parent 2a31b03335
commit 4bacc68766
3 changed files with 48 additions and 0 deletions
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1
arch/mips/include/asm/txx9/tx4939.h
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@ -540,5 +540,6 @@ void tx4939_setup_pcierr_irq(void);
void tx4939_irq_init(void);
int tx4939_irq(void);
void tx4939_mtd_init(int ch);
void tx4939_ata_init(void);
#endif /* __ASM_TXX9_TX4939_H */

46
arch/mips/txx9/generic/setup_tx4939.c
View File

@ -20,6 +20,7 @@
#include <linux/param.h>
#include <linux/ptrace.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/traps.h>
@ -389,6 +390,51 @@ void __init tx4939_mtd_init(int ch)
txx9_physmap_flash_init(ch, start, size, &pdata);
}
#define TX4939_ATA_REG_PHYS(ch) (TX4939_ATA_REG(ch) & 0xfffffffffULL)
void __init tx4939_ata_init(void)
{
static struct resource ata0_res[] = {
{
.start = TX4939_ATA_REG_PHYS(0),
.end = TX4939_ATA_REG_PHYS(0) + 0x1000 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = TXX9_IRQ_BASE + TX4939_IR_ATA(0),
.flags = IORESOURCE_IRQ,
},
};
static struct resource ata1_res[] = {
{
.start = TX4939_ATA_REG_PHYS(1),
.end = TX4939_ATA_REG_PHYS(1) + 0x1000 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = TXX9_IRQ_BASE + TX4939_IR_ATA(1),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device ata0_dev = {
.name = "tx4939ide",
.id = 0,
.num_resources = ARRAY_SIZE(ata0_res),
.resource = ata0_res,
};
static struct platform_device ata1_dev = {
.name = "tx4939ide",
.id = 1,
.num_resources = ARRAY_SIZE(ata1_res),
.resource = ata1_res,
};
__u64 pcfg = __raw_readq(&tx4939_ccfgptr->pcfg);
if (pcfg & TX4939_PCFG_ATA0MODE)
platform_device_register(&ata0_dev);
if ((pcfg & (TX4939_PCFG_ATA1MODE |
TX4939_PCFG_ET1MODE |
TX4939_PCFG_ET0MODE)) == TX4939_PCFG_ATA1MODE)
platform_device_register(&ata1_dev);
}
static void __init tx4939_stop_unused_modules(void)
{
__u64 pcfg, rst = 0, ckd = 0;

1
arch/mips/txx9/rbtx4939/setup.c
View File

@ -264,6 +264,7 @@ static void __init rbtx4939_device_init(void)
#endif
rbtx4939_led_setup();
tx4939_wdt_init();
tx4939_ata_init();
}
static void __init rbtx4939_setup(void)