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>
diff --git a/arch/x86/cpu/ivybridge/bd82x6x.c b/arch/x86/cpu/ivybridge/bd82x6x.c
index ed9bce6..1cb6cec 100644
--- a/arch/x86/cpu/ivybridge/bd82x6x.c
+++ b/arch/x86/cpu/ivybridge/bd82x6x.c
@@ -229,6 +229,21 @@
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;
}