From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Date: Fri, 5 Feb 2021 07:45:12 +0000 (+0800)
Subject: armv7: ls102xa: Enable I-Cache to speed up the boot time
X-Git-Url: http://git.dujemihanovic.xyz/login.html?a=commitdiff_plain;h=19dba8bf9f4c87278b8e6e2133ebc39f4edb6592;p=u-boot.git

armv7: ls102xa: Enable I-Cache to speed up the boot time

Enable the I-Cache to speed up the boot time, especailly for the NOR
boot, currently it takes about 15 seconds from power up to the U-Boot
prompt, and with the I-Cache enabled it only takes around 2.5 seconds.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
---

diff --git a/arch/arm/cpu/armv7/ls102xa/cpu.c b/arch/arm/cpu/armv7/ls102xa/cpu.c
index ce472aa9bd..c6a39aa341 100644
--- a/arch/arm/cpu/armv7/ls102xa/cpu.c
+++ b/arch/arm/cpu/armv7/ls102xa/cpu.c
@@ -316,6 +316,8 @@ int arch_cpu_init(void)
 	struct ccsr_scfg *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
 	u32 state;
 
+	icache_enable();
+
 	/*
 	 * The RCPM FSM state may not be reset after power-on.
 	 * So, reset them.