Add a helper routine to register tx4939ide driver and use it on
RBTX4939 board.
Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>
---
This patch is against linux-next 20080905.
arch/mips/txx9/generic/setup_tx4939.c | 29 +++++++++++++++++++++++++++++
arch/mips/txx9/rbtx4939/setup.c | 1 +
include/asm-mips/txx9/tx4939.h | 1 +
3 files changed, 31 insertions(+), 0 deletions(-)
diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c
index f14a497..ee00bde 100644
--- a/arch/mips/txx9/generic/setup_tx4939.c
+++ b/arch/mips/txx9/generic/setup_tx4939.c
@@ -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 +390,34 @@ void __init tx4939_mtd_init(int ch)
txx9_physmap_flash_init(ch, start, size, &pdata);
}
+void __init tx4939_ata_init(void)
+{
+ __u64 pcfg = __raw_readq(&tx4939_ccfgptr->pcfg);
+ if (pcfg & (TX4939_PCFG_ATA0MODE | TX4939_PCFG_ATA1MODE)) {
+ struct resource res[2];
+ int i;
+ memset(res, 0, sizeof(res));
+ for (i = 0; i < 2; i++) {
+ if (i == 0 &&
+ !(pcfg & TX4939_PCFG_ATA0MODE))
+ continue;
+ if (i == 1 &&
+ (pcfg & (TX4939_PCFG_ATA1MODE |
+ TX4939_PCFG_ET1MODE |
+ TX4939_PCFG_ET0MODE)) !=
+ TX4939_PCFG_ATA1MODE)
+ continue;
+ res[0].start = TX4939_ATA_REG(i) & 0xfffffffffULL;
+ res[0].end = res[0].start + 0x1000 - 1;
+ res[0].flags = IORESOURCE_MEM;
+ res[1].start = TXX9_IRQ_BASE + TX4939_IR_ATA(i);
+ res[1].flags = IORESOURCE_IRQ;
+ platform_device_register_simple("tx4939ide", i,
+ res, ARRAY_SIZE(res));
+ }
+ }
+}
+
static void __init tx4939_stop_unused_modules(void)
{
__u64 pcfg, rst = 0, ckd = 0;
diff --git a/arch/mips/txx9/rbtx4939/setup.c b/arch/mips/txx9/rbtx4939/setup.c
index 277864d..9855d7b 100644
--- a/arch/mips/txx9/rbtx4939/setup.c
+++ b/arch/mips/txx9/rbtx4939/setup.c
@@ -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)
diff --git a/include/asm-mips/txx9/tx4939.h b/include/asm-mips/txx9/tx4939.h
index 7ce2dff..88badb4 100644
--- a/include/asm-mips/txx9/tx4939.h
+++ b/include/asm-mips/txx9/tx4939.h
@@ -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 */
--
1.5.6.3
--
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