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| author | Simon Glass <sjg@chromium.org> | 2019-04-25 21:59:02 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2019-05-08 13:02:15 +0800 |
| commit | 9ffe7cd5c421e21317d56c80c1390aba636b3ffb (patch) | |
| tree | acf7106838f8d08002940c533c863c8f568b0502 /arch/x86/cpu/ivybridge | |
| parent | b69b603bcdeb05f846f76da81e4a681aff6a1001 (diff) | |
| download | u-boot-9ffe7cd5c421e21317d56c80c1390aba636b3ffb.tar.gz u-boot-9ffe7cd5c421e21317d56c80c1390aba636b3ffb.tar.xz u-boot-9ffe7cd5c421e21317d56c80c1390aba636b3ffb.zip | |
x86: ivybridge: Implement PCH_REQ_PMBASE_INFO
Implement this ioctl() to support power off.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu/ivybridge')
| -rw-r--r-- | arch/x86/cpu/ivybridge/bd82x6x.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/cpu/ivybridge/bd82x6x.c b/arch/x86/cpu/ivybridge/bd82x6x.c index ed9bce6416..1cb6cecda9 100644 --- a/arch/x86/cpu/ivybridge/bd82x6x.c +++ b/arch/x86/cpu/ivybridge/bd82x6x.c @@ -229,6 +229,21 @@ static int bd82x6x_ioctl(struct udevice *dev, enum pch_req_t req, void *data, return -ENOENT; return val & RCBA_AUDIO_CONFIG_MASK; + case PCH_REQ_PMBASE_INFO: { + struct pch_pmbase_info *pm = data; + int ret; + + /* Find the base address of the powermanagement registers */ + ret = dm_pci_read_config16(dev, 0x40, &pm->base); + if (ret) + return ret; + pm->base &= 0xfffe; + pm->gpio0_en_ofs = GPE0_EN; + pm->pm1_sts_ofs = PM1_STS; + pm->pm1_cnt_ofs = PM1_CNT; + + return 0; + } default: return -ENOSYS; } |