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

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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>
This commit is contained in:
Hou Zhiqiang 2021-02-05 15:45:12 +08:00 committed by Priyanka Jain
parent a1f57c3933
commit 19dba8bf9f
1 changed files with 2 additions and 0 deletions
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arch/arm/cpu/armv7/ls102xa/cpu.c
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@ -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.