Hi, On 11/10/25 9:34 PM, Marco Felsch wrote: > imx8m_ddrc_sdram_size() returns the full memory size whereas > imx8m_barebox_earlymem_size() limits the size to 4GiB. > > This can be useful in cases like fixing up the FDT memory size for > OP-TEE which uses the information to configure the TZASC accordingly. > > Signed-off-by: Marco Felsch <[email protected]>
Reviewed-by: Ahmad Fatoum <[email protected]> Thanks, Ahmad > --- > arch/arm/mach-imx/esdctl.c | 2 +- > include/mach/imx/esdctl.h | 1 + > 2 files changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/mach-imx/esdctl.c b/arch/arm/mach-imx/esdctl.c > index > 0a1e042792bd90b40ffc8084efbdc5a25ba0dd02..964d438e3f3433332e351d9a70f91857ee33e0b4 > 100644 > --- a/arch/arm/mach-imx/esdctl.c > +++ b/arch/arm/mach-imx/esdctl.c > @@ -467,7 +467,7 @@ static void imx_ddrc_set_mstr_device_config(u32 *mstr, > unsigned bits) > *mstr |= FIELD_PREP(DDRC_MSTR_DEVICE_CONFIG, fls(bits / 8)); > } > > -static resource_size_t imx8m_ddrc_sdram_size(unsigned buswidth) > +resource_size_t imx8m_ddrc_sdram_size(unsigned buswidth) > { > void __iomem *ddrc = IOMEM(MX8M_DDRC_CTL_BASE_ADDR); > const u32 addrmap[DDRC_ADDRMAP_LENGTH] = { > diff --git a/include/mach/imx/esdctl.h b/include/mach/imx/esdctl.h > index > 97bd444b1a4ca2defdeb9f82180c0366296a32a0..47fb665a861bf2105b4d606ea1672caf27d8e285 > 100644 > --- a/include/mach/imx/esdctl.h > +++ b/include/mach/imx/esdctl.h > @@ -153,6 +153,7 @@ void __noreturn imx93_barebox_entry(void *boarddata); > void imx_esdctl_disable(void); > resource_size_t imx6_get_mmdc_sdram_size(void); > resource_size_t imx8m_barebox_earlymem_size(unsigned buswidth); > +resource_size_t imx8m_ddrc_sdram_size(unsigned buswidth); > resource_size_t imx9_ddrc_sdram_size(void); > #endif > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
