diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2008-09-18 00:13:58 +0900 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 16:18:54 +0100 |
| commit | 4bacc68766b11c191ee1567f54103f109c002f4f (patch) | |
| tree | 1ec76e9f6db35a0c2e3988e5f4e19cbaa7fe211f /arch/mips/txx9/generic | |
| parent | 2a31b03335e570dce5fdd082e0d71d48b2cb4290 (diff) | |
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>
Diffstat (limited to 'arch/mips/txx9/generic')
| -rw-r--r-- | arch/mips/txx9/generic/setup_tx4939.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c index f14a497077d..6c0049a5bbc 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 +390,51 @@ 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; |