From f010ff0eca0c2794705f1a476ff30235469cb42b Mon Sep 17 00:00:00 2001
From: Fabien Poussin <fabien.poussin@gmail.com>
Date: Thu, 9 Jan 2020 11:21:14 +0100
Subject: [PATCH] Fixed delay in sdram driver (#210)

---
 os/hal/ports/STM32/LLD/FSMCv1/hal_sdram_lld.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/os/hal/ports/STM32/LLD/FSMCv1/hal_sdram_lld.c b/os/hal/ports/STM32/LLD/FSMCv1/hal_sdram_lld.c
index 66f7b80..0353bb3 100644
--- a/os/hal/ports/STM32/LLD/FSMCv1/hal_sdram_lld.c
+++ b/os/hal/ports/STM32/LLD/FSMCv1/hal_sdram_lld.c
@@ -106,7 +106,7 @@ static void sdram_lld_init_sequence(const SDRAMConfig *cfgp) {
   SDRAMD1.sdram->SDCMR = FMCCM_CLK_ENABLED | command_target;
 
   /* Step 4: Insert delay (tipically 100uS).*/
-  osalThreadSleepMilliseconds(1);
+  osalSysPolledDelayX(OSAL_US2RTC(STM32_HCLK, 100));
 
   /* Step 5: Configure a PALL (precharge all) command.*/
   sdram_lld_wait_ready();