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[10/32] arm: plat-orion: introduce WIN_CTRL_ENABLE in address mapping code

Message ID 1360686546-24277-11-git-send-email-thomas.petazzoni@free-electrons.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Thomas Petazzoni Feb. 12, 2013, 4:28 p.m. UTC 
Instead of hardcoding "1" as being the bit value to enable an address
decoding window, introduce and use a WIN_CTRL_ENABLE definition.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
 arch/arm/plat-orion/addr-map.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/plat-orion/addr-map.c b/arch/arm/plat-orion/addr-map.c
index febe386..4dec3db 100644
--- a/arch/arm/plat-orion/addr-map.c
+++ b/arch/arm/plat-orion/addr-map.c
@@ -38,6 +38,7 @@  EXPORT_SYMBOL_GPL(mv_mbus_dram_info);
  * CPU Address Decode Windows registers
  */
 #define WIN_CTRL_OFF		0x0000
+#define   WIN_CTRL_ENABLE       BIT(0)
 #define WIN_BASE_OFF		0x0004
 #define WIN_REMAP_LO_OFF	0x0008
 #define WIN_REMAP_HI_OFF	0x000c
@@ -79,7 +80,8 @@  void __init orion_setup_cpu_win(const struct orion_addr_map_cfg *cfg,
 	}
 
 	base_high = base & 0xffff0000;
-	ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1;
+	ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) |
+		WIN_CTRL_ENABLE;
 
 	writel(base_high, addr + WIN_BASE_OFF);
 	writel(ctrl, addr + WIN_CTRL_OFF);