From a6d9de436c3930addf98a54f62d936426a9917a4 Mon Sep 17 00:00:00 2001 From: Helmut Raiger Date: Thu, 27 Oct 2011 01:31:14 +0000 Subject: [PATCH] mx31: add ESD control registers This allows to initialize DDR memory in C code. Currently all mx31 boards use assembler code (lowlevel_init.S) Signed-off-by: Helmut Raiger Acked-by: Stefano Babic --- arch/arm/include/asm/arch-mx31/imx-regs.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/include/asm/arch-mx31/imx-regs.h b/arch/arm/include/asm/arch-mx31/imx-regs.h index f487975e37..afdaa1ce6c 100644 --- a/arch/arm/include/asm/arch-mx31/imx-regs.h +++ b/arch/arm/include/asm/arch-mx31/imx-regs.h @@ -522,6 +522,17 @@ 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))) @@ -600,6 +611,8 @@ 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) \ -- 2.30.2