]> git.sur5r.net Git - u-boot/commitdiff
Davinci: Add EMIF-A macros for setting chip select parameters
authorNick Thompson <nick.thompson@ge.com>
Mon, 8 Feb 2010 16:34:58 +0000 (11:34 -0500)
committerTom Rix <Tom.Rix@windriver.com>
Fri, 12 Feb 2010 18:31:54 +0000 (12:31 -0600)
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>
include/asm-arm/arch-davinci/emif_defs.h

index 8fd4e01b8e158c16aaa022e39285c57b010fd821..aa57703c686a1d7446d03f92e9067aa0c73a49e2 100644 (file)
@@ -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