From: Marek Vasut <marex@denx.de>
Date: Tue, 28 Aug 2012 15:15:53 +0000 (+0000)
Subject: MX28: Fixup the ad-hoc use of DIGCTL_MICROSECONDS
X-Git-Tag: v2012.10-rc1~2^2^2~21
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d82f05fcad3873dd6f5f06e042a28bacf2f0f950;p=kernel%2Fu-boot.git

MX28: Fixup the ad-hoc use of DIGCTL_MICROSECONDS

Use proper struct-based access for this register in the SPL code.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <festevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
---

diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
index ddafddb..ad66c57 100644
--- a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
@@ -38,12 +38,14 @@
  * takes a few seconds to roll. The boot doesn't take that long, so to keep the
  * code simple, it doesn't take rolling into consideration.
  */
-#define	HW_DIGCTRL_MICROSECONDS	0x8001c0c0
 void early_delay(int delay)
 {
-	uint32_t st = readl(HW_DIGCTRL_MICROSECONDS);
+	struct mxs_digctl_regs *digctl_regs =
+		(struct mxs_digctl_regs *)MXS_DIGCTL_BASE;
+
+	uint32_t st = readl(&digctl_regs->hw_digctl_microseconds);
 	st += delay;
-	while (st > readl(HW_DIGCTRL_MICROSECONDS))
+	while (st > readl(&digctl_regs->hw_digctl_microseconds))
 		;
 }