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x86: ivybridge: Implement PCH_REQ_PMBASE_INFO

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Implement this ioctl() to support power off.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-04-25 21:59:02 -06:00 committed by Bin Meng
parent b69b603bcd
commit 9ffe7cd5c4
1 changed files with 15 additions and 0 deletions
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15
arch/x86/cpu/ivybridge/bd82x6x.c
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@ -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;
}