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MX28: Fixup the ad-hoc use of DIGCTL_MICROSECONDS

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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>
This commit is contained in:
Marek Vasut 2012-08-28 15:15:53 +00:00 committed by Stefano Babic
parent 8aa0902658
commit d82f05fcad
1 changed files with 5 additions and 3 deletions
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8
arch/arm/cpu/arm926ejs/mxs/spl_boot.c
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@ -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))
;
}