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ARM: imx: Enable instruction cache early on on i.MX8M

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Enable instruction cache early on to speed up the boot process on i.MX8M.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Marek Vasut 2022-04-13 00:41:52 +02:00 committed by Stefano Babic
parent 87f958810f
commit 2fa763baa1
1 changed files with 5 additions and 0 deletions
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5
arch/arm/mach-imx/imx8m/soc.c
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@ -551,6 +551,11 @@ EVENT_SPY(EVT_DM_POST_INIT, imx8m_check_clock);
int arch_cpu_init(void)
{
struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
#if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF)
icache_enable();
#endif
/*
* ROM might disable clock for SCTR,
* enable the clock before timer_init.