From: Simon Glass <sjg@chromium.org>
Date: Fri, 26 Apr 2019 03:59:02 +0000 (-0600)
Subject: x86: ivybridge: Implement PCH_REQ_PMBASE_INFO
X-Git-Tag: v2019.07-rc2~14^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9ffe7cd5c421e21317d56c80c1390aba636b3ffb;p=platform%2Fkernel%2Fu-boot.git

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 @@ 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;
 	}