This function is clearly architecture specific code, not board specific
code. The only difference from the generic arm arch_lmb_reserve() is the
extra reservation of 16k of memory below the stack bottom, rather than
the default 4k. Switch this from board_lmb_reserve() to arch_lmb_reserve()
and use arch_lmb_reserve_generic() with 16k stack reservation parameter
instead of replicating older version of arch_lmb_reserve() here.

Signed-off-by: Marek Vasut <marek.vasut+rene...@gmail.com>
Cc: Alexey Brodkin <alexey.brod...@synopsys.com>
Cc: Angelo Dureghello <ang...@sysam.it>
Cc: Daniel Schwierzeck <daniel.schwierz...@gmail.com>
Cc: Eugeniy Paltsev <eugeniy.palt...@synopsys.com>
Cc: Hai Pham <hai.pham...@renesas.com>
Cc: Michal Simek <mon...@monstr.eu>
Cc: Simon Goldschmidt <simon.k.r.goldschm...@gmail.com>
Cc: Tom Rini <tr...@konsulko.com>
Cc: Wolfgang Denk <w...@denx.de>
Cc: Ye Li <ye...@nxp.com>
---
 arch/arm/mach-imx/misc.c | 21 ++-------------------
 1 file changed, 2 insertions(+), 19 deletions(-)

diff --git a/arch/arm/mach-imx/misc.c b/arch/arm/mach-imx/misc.c
index d82efa7f8f..529601156f 100644
--- a/arch/arm/mach-imx/misc.c
+++ b/arch/arm/mach-imx/misc.c
@@ -86,24 +86,7 @@ static ulong get_sp(void)
        return ret;
 }
 
-void board_lmb_reserve(struct lmb *lmb)
+void arch_lmb_reserve(struct lmb *lmb)
 {
-       ulong sp, bank_end;
-       int bank;
-
-       sp = get_sp();
-       debug("## Current stack ends at 0x%08lx ", sp);
-
-       /* adjust sp by 16K to be safe */
-       sp -= 4096 << 2;
-       for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
-               if (sp < gd->bd->bi_dram[bank].start)
-                       continue;
-               bank_end = gd->bd->bi_dram[bank].start +
-                       gd->bd->bi_dram[bank].size;
-               if (sp >= bank_end)
-                       continue;
-               lmb_reserve(lmb, sp, bank_end - sp);
-               break;
-       }
+       arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 16384);
 }
-- 
2.30.2

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