Hello Vijay,
On 18/02/2015 12:19, vijay.kil...@gmail.com wrote:
From: Vijaya Kumar K <vijaya.ku...@caviumnetworks.com>
Add basic support for Cavium ThunderX platform
Signed-off-by: Vijaya Kumar K <vijaya.ku...@caviumnetworks.com>
---
xen/arch/arm/platforms/Makefile | 1 +
xen/arch/arm/platforms/thunderx.c | 66 +++++++++++++++++++++++++++++++++++++
xen/arch/arm/setup.c | 1 +
3 files changed, 68 insertions(+)
diff --git a/xen/arch/arm/platforms/Makefile b/xen/arch/arm/platforms/Makefile
index e173fec..d9f98f9 100644
--- a/xen/arch/arm/platforms/Makefile
+++ b/xen/arch/arm/platforms/Makefile
@@ -7,3 +7,4 @@ obj-$(CONFIG_ARM_32) += sunxi.o
obj-$(CONFIG_ARM_32) += rcar2.o
obj-$(CONFIG_ARM_64) += seattle.o
obj-$(CONFIG_ARM_64) += xgene-storm.o
+obj-$(CONFIG_ARM_64) += thunderx.o
diff --git a/xen/arch/arm/platforms/thunderx.c
b/xen/arch/arm/platforms/thunderx.c
new file mode 100644
index 0000000..96560e1
--- /dev/null
+++ b/xen/arch/arm/platforms/thunderx.c
@@ -0,0 +1,66 @@
+/*
+ * xen/arch/arm/platforms/thunderx.c
+ *
+ * Cavium Thunder specific settings
+ *
+ * Vijaya Kumar K <vijaya.ku...@caviumnetworks.com>
+ * Copyright (c) 2015 Cavium Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <asm/platform.h>
+
+static int thunderx_specific_mapping(struct domain *d)
+{
+ uint64_t addr, size;
+ int res;
+
+ /* Mappings GSER region required for dom0 */
Mapping
+ addr = 0x87e090000000;
+ size = 0xd000000;
+
+ res = map_mmio_regions(d,
+ paddr_to_pfn(addr & PAGE_MASK),
+ DIV_ROUND_UP(size, PAGE_SIZE),
+ paddr_to_pfn(addr & PAGE_MASK));
OOI, why this region is not described in the DT? Is it a PCI device?
+ if ( res )
+ {
+ printk(XENLOG_ERR "Unable to map to dom%d region"
It would be more clear to specify the name of the region i.e "GSER region"
Regards,
--
Julien Grall
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