[U-Boot] [PATCH 13/15] arm64: mvebu: Add regions for PCI spaces to the memory map

Stefan Roese sr at denx.de
Tue Nov 15 10:08:29 CET 2016


To use the PCIe driver, its controller memory and the PCIe regions need
to get mapped in the MMU. Otherwise these areas can't be accessed.

Signed-off-by: Stefan Roese <sr at denx.de>
Cc: Nadav Haklai <nadavh at marvell.com>
Cc: Neta Zur Hershkovits <neta at marvell.com>
Cc: Kostya Porotchkin <kostap at marvell.com>
Cc: Omri Itach <omrii at marvell.com>
Cc: Igal Liberman <igall at marvell.com>
Cc: Haim Boot <hayim at marvell.com>
Cc: Hanna Hawa <hannah at marvell.com>
---
 arch/arm/mach-mvebu/armada8k/cpu.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/mach-mvebu/armada8k/cpu.c b/arch/arm/mach-mvebu/armada8k/cpu.c
index f8e69d6..2719d68 100644
--- a/arch/arm/mach-mvebu/armada8k/cpu.c
+++ b/arch/arm/mach-mvebu/armada8k/cpu.c
@@ -55,6 +55,14 @@ static struct mm_region mvebu_mem_map[] = {
 			 PTE_BLOCK_NON_SHARE
 	},
 	{
+		/* PCI regions */
+		.phys = 0xf8000000UL,
+		.virt = 0xf8000000UL,
+		.size = 0x08000000UL,	/* 128MiB PCI space (master & slave) */
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE
+	},
+	{
 		/* List terminator */
 		0,
 	}
-- 
2.10.2



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