[Skiboot] [PATCH 1/1] vas: Set mmio enable bits in DD2

[Sukadev Bhattiprolu]

>From b32b629700013c1651789d93bc8e5e4d4967c75c Mon Sep 17 00:00:00 2001
From: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
Date: Thu, 17 Aug 2017 17:50:24 -0700
Subject: [PATCH 1/1] vas: Set mmio enable bits in DD2

POWER9 DD2 added some new "enable" bits that must be set for VAS to
work. These bits were unused in DD1.

Signed-off-by: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
---
 core/vas.c    |    3 +++
 include/vas.h |    3 +++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/core/vas.c b/core/vas.c
index a00dc26..bba9509 100644
--- a/core/vas.c
+++ b/core/vas.c
@@ -103,6 +103,9 @@ static int init_north_ctl(struct proc_chip *chip)
 
 	val = SETFIELD(VAS_64K_MODE_MASK, val, true);
 	val = SETFIELD(VAS_ACCEPT_PASTE_MASK, val, true);
+	val = SETFIELD(VAS_ENABLE_WC_MMIO_BAR, val, true);
+	val = SETFIELD(VAS_ENABLE_UWC_MMIO_BAR, val, true);
+	val = SETFIELD(VAS_ENABLE_RMA_MMIO_BAR, val, true);
 
 	return vas_scom_write(chip, VAS_MISC_N_CTL, val);
 }
diff --git a/include/vas.h b/include/vas.h
index da19645..bc0aff7 100644
--- a/include/vas.h
+++ b/include/vas.h
@@ -131,6 +131,9 @@ extern __attrconst uint64_t vas_get_wcbs_bar(int chipid);
 #define VAS_64K_MODE_MASK		PPC_BIT(0)
 #define VAS_ACCEPT_PASTE_MASK		PPC_BIT(1)
 #define VAS_QUIESCE_REQ_MASK		PPC_BIT(4)
+#define VAS_ENABLE_WC_MMIO_BAR		PPC_BIT(6)
+#define VAS_ENABLE_UWC_MMIO_BAR		PPC_BIT(7)
+#define VAS_ENABLE_RMA_MMIO_BAR		PPC_BIT(8)
 #define VAS_HMI_ACTIVE_MASK		PPC_BIT(58)
 #define VAS_RG_IDLE_MASK		PPC_BIT(59)
 
-- 
1.7.1