[PATCH linux dev-4.7 v2] arm: aspped: romulus: Set PNOR SPI address mapping

Lei YU mine260309 at gmail.com
Wed Mar 1 14:29:50 AEDT 2017


The PNOR SPI address mapping is the same as Witherspoon.

Signed-off-by: Lei YU <mine260309 at gmail.com>
---
 arch/arm/mach-aspeed/aspeed.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-aspeed/aspeed.c b/arch/arm/mach-aspeed/aspeed.c
index 726b8fa..7ac006a 100644
--- a/arch/arm/mach-aspeed/aspeed.c
+++ b/arch/arm/mach-aspeed/aspeed.c
@@ -221,6 +221,12 @@ static void __init do_witherspoon_setup(void)
 static void __init do_romulus_setup(void)
 {
 	do_common_setup();
+
+	/* Set SPI1 CE1 decoding window to 0x34000000 */
+	writel(0x70680000, AST_IO(AST_BASE_SPI | 0x34));
+
+	/* Set SPI1 CE0 decoding window to 0x30000000 */
+	writel(0x68600000, AST_IO(AST_BASE_SPI | 0x30));
 }
 
 #define SCU_PASSWORD	0x1688A8A8
-- 
1.9.1



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