From: Nick Thompson <nick.thompson@ge.com>
Date: Mon, 8 Feb 2010 16:34:58 +0000 (-0500)
Subject: Davinci: Add EMIF-A macros for setting chip select parameters
X-Git-Url: http://git.dujemihanovic.xyz/login.html?a=commitdiff_plain;h=6228e6389e5ef472d5f43cc5ec4f309323305638;p=u-boot.git

Davinci: Add EMIF-A macros for setting chip select parameters

The patch adds EMIF-A macros for setting chip select parameters

Signed-off-by: Nick Thompson <nick.thompson@ge.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
---

diff --git a/include/asm-arm/arch-davinci/emif_defs.h b/include/asm-arm/arch-davinci/emif_defs.h
index 8fd4e01b8e..aa57703c68 100644
--- a/include/asm-arm/arch-davinci/emif_defs.h
+++ b/include/asm-arm/arch-davinci/emif_defs.h
@@ -24,7 +24,7 @@
 
 #include <asm/arch/hardware.h>
 
-typedef struct {
+typedef struct davinci_emif_regs {
 	dv_reg		ERCSR;
 	dv_reg		AWCCR;
 	dv_reg		SDBCR;
@@ -66,6 +66,9 @@ typedef struct {
 
 typedef emif_registers	*emifregs;
 
+#define davinci_emif_regs \
+	((struct davinci_emif_regs *)DAVINCI_ASYNC_EMIF_CNTRL_BASE)
+
 #define DAVINCI_NANDFCR_NAND_ENABLE(n)			(1 << (n-2))
 #define DAVINCI_NANDFCR_4BIT_ECC_SEL_MASK		(3 << 4)
 #define DAVINCI_NANDFCR_4BIT_ECC_SEL(n)			((n-2) << 4)
@@ -73,4 +76,17 @@ typedef emif_registers	*emifregs;
 #define DAVINCI_NANDFCR_4BIT_ECC_START			(1 << 12)
 #define DAVINCI_NANDFCR_4BIT_CALC_START			(1 << 13)
 
+/* Chip Select setup */
+#define DAVINCI_ABCR_STROBE_SELECT			(1 << 31)
+#define DAVINCI_ABCR_EXT_WAIT				(1 << 30)
+#define DAVINCI_ABCR_WSETUP(n)				(n << 26)
+#define DAVINCI_ABCR_WSTROBE(n)				(n << 20)
+#define DAVINCI_ABCR_WHOLD(n)				(n << 17)
+#define DAVINCI_ABCR_RSETUP(n)				(n << 13)
+#define DAVINCI_ABCR_RSTROBE(n)				(n << 7)
+#define DAVINCI_ABCR_RHOLD(n)				(n << 4)
+#define DAVINCI_ABCR_TA(n)				(n << 2)
+#define DAVINCI_ABCR_ASIZE_16BIT			1
+#define DAVINCI_ABCR_ASIZE_8BIT				0
+
 #endif