From: Nick Thompson <nick.thompson@ge.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/2] Davinci: Add EMIF-A macros for setting chip select parameters
Date: Tue, 02 Feb 2010 15:36:09 +0000 [thread overview]
Message-ID: <4B684669.6030405@ge.com> (raw)
Signed-off-by: Nick Thompson <nick.thompson@ge.com>
---
include/asm-arm/arch-davinci/emif_defs.h | 18 +++++++++++++++++-
1 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/include/asm-arm/arch-davinci/emif_defs.h b/include/asm-arm/arch-davinci/emif_defs.h
index 8fd4e01..aa57703 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
--
1.6.3.3
next reply other threads:[~2010-02-02 15:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-02 15:36 Nick Thompson [this message]
2010-02-08 16:39 ` [U-Boot] [PATCH 1/2] Davinci: Add EMIF-A macros for setting chip select parameters Paulraj, Sandeep
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