diff options
| author | Paul Burton <paul.burton@imgtec.com> | 2014-05-07 15:20:56 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-05-30 23:01:08 +0400 |
| commit | 643c5705bc9d30b64ca320715eb210b853d1f27e (patch) | |
| tree | 714c8f163d64dfe4fc35b37d02a234af6779fa53 /arch/mips | |
| parent | 76ad023b8925d8b849a9377b77bcfa9a49f57082 (diff) | |
| download | linux-643c5705bc9d30b64ca320715eb210b853d1f27e.tar.xz | |
MIPS: Define some more PIIX4 registers & values
This patch simply adds definitions for some I/O registers in the PIIX4
PM device, and the magic data for a special cycle which must occur on
the PCI bus in order for the PIIX4 to enter a suspend state.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6903/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/mips-boards/piix4.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mips-boards/piix4.h b/arch/mips/include/asm/mips-boards/piix4.h index 9cf54041d416..9e340be52a50 100644 --- a/arch/mips/include/asm/mips-boards/piix4.h +++ b/arch/mips/include/asm/mips-boards/piix4.h @@ -55,4 +55,16 @@ #define PIIX4_FUNC3_PMREGMISC 0x80 #define PIIX4_FUNC3_PMREGMISC_EN (1 << 0) +/* Power Management IO Space */ +#define PIIX4_FUNC3IO_PMSTS 0x00 +#define PIIX4_FUNC3IO_PMSTS_PWRBTN_STS (1 << 8) +#define PIIX4_FUNC3IO_PMCNTRL 0x04 +#define PIIX4_FUNC3IO_PMCNTRL_SUS_EN (1 << 13) +#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP (0x7 << 10) +#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_SOFF (0x0 << 10) +#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_STR (0x1 << 10) + +/* Data for magic special PCI cycle */ +#define PIIX4_SUSPEND_MAGIC 0x00120002 + #endif /* __ASM_MIPS_BOARDS_PIIX4_H */ |