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 --- V2: Protect the icache_enable with !CONFIG_IS_ENABLED(SYS_ICACHE_OFF), the symbol might be undefined in case CONFIG_(SPL_)SYS_ICACHE_OFF is set --- arch/arm/mach-imx/imx8m/soc.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index bb94ef51492..8171631db10 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -550,6 +550,11 @@ 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.