[U-Boot] [PATCH V2 2/3] mx31: add ESD control registers

[Helmut Raiger]

This allows to initialize DDR memory in C code.
Currently all mx31 boards use assembler code (lowlevel_init.S)

Signed-off-by: Helmut Raiger <helmut.raiger at hale.at>
---
 V2: new in V2

 arch/arm/include/asm/arch-mx31/imx-regs.h |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/arch/arm/include/asm/arch-mx31/imx-regs.h b/arch/arm/include/asm/arch-mx31/imx-regs.h
index 40abc34..f7a39f1 100644
--- a/arch/arm/include/asm/arch-mx31/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx31/imx-regs.h
@@ -484,6 +484,17 @@ struct mx31_weim {
 	struct mx31_weim_cscr cscr[6];
 };
 
+/* ESD control registers */
+struct esdc_regs {
+	u32 ctl0;
+	u32 cfg0;
+	u32 ctl1;
+	u32 cfg1;
+	u32 misc;
+	u32 dly[5];
+	u32 dlyl;
+};
+
 #endif
 
 #define __REG(x)     (*((volatile u32 *)(x)))
@@ -548,6 +559,8 @@ struct mx31_weim {
 #define ESDCTL_BL(x)			((x) << 7)
 #define ESDCTL_PRCT(x)			((x) << 0)
 
+#define ESDCTL_BASE_ADDR	0xB8001000
+
 /* 13 fields of the upper CS control register */
 #define CSCR_U(sp, wp, bcd, bcs, psz, pme, sync, dol, \
 		cnc, wsc, ew, wws, edc) \
-- 
1.7.4.4



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