The clock stabilization delay post a M2 divider change is needed
even before a SDRC interface clock re-enable and not only before
jumping back to SDRAM.
Signed-off-by: Rajendra Nayak <rna...@ti.com>
---
arch/arm/mach-omap2/sram34xx.S | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/sram34xx.S b/arch/arm/mach-omap2/sram34xx.S
index f41f8d9..481f912 100644
--- a/arch/arm/mach-omap2/sram34xx.S
+++ b/arch/arm/mach-omap2/sram34xx.S
@@ -97,6 +97,8 @@ ENTRY(omap3_sram_configure_core_dpll)
blne lock_dll
bl sdram_in_selfrefresh @ put SDRAM in self refresh, idle SDRC
bl configure_core_dpll @ change the DPLL3 M2 divider
+ mov r12, r5
+ bl wait_clk_stable @ wait for SDRC to stabilize
bl enable_sdrc @ take SDRC out of idle
cmp r4, #SDRC_UNLOCK_DLL @ wait for DLL status to change
bleq wait_dll_unlock
@@ -104,8 +106,6 @@ ENTRY(omap3_sram_configure_core_dpll)
cmp r7, #1 @ if increasing SDRC clk rate,
beq return_to_sdram @ return to SDRAM code, otherwise,
bl configure_sdrc @ reprogram SDRC regs now
- mov r12, r5
- bl wait_clk_stable @ wait for SDRC to stabilize
return_to_sdram:
isb @ prevent speculative exec past here
mov r0, #0 @ return value
--
1.5.4.7
--
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