On Fri, Jun 29, 2018 at 08:48:53PM -0700, Andrey Smirnov wrote: > Add a macro containing all of the code needed to load and transfer > control to BL31 ATF blob on i.MX8M. > > Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> > --- > arch/arm/mach-imx/include/mach/atf.h | 63 ++++++++++++++++++++++++++++ > 1 file changed, 63 insertions(+) > create mode 100644 arch/arm/mach-imx/include/mach/atf.h > > diff --git a/arch/arm/mach-imx/include/mach/atf.h b/arch/arm/mach-imx/include/mach/atf.h > new file mode 100644 > index 000000000..0b5018459 > --- /dev/null > +++ b/arch/arm/mach-imx/include/mach/atf.h > @@ -0,0 +1,63 @@ > +#ifndef __IMX_ATF_H__ > +#define __IMX_ATF_H__ > + > +#include <asm/system.h> > + > +#define MX8MQ_ATF_BL31_SIZE_LIMIT SZ_64K > +#define MX8MQ_ATF_BL31_BASE_ADDR 0x00910000 > +#define MX8MQ_ATF_BL33_BASE_ADDR 0x40200000 > + > +/** > + * imx8mq_atf_load_bl31 - Load ATF BL31 blob and transfer contol to it > + * > + * @name: Name of the BL31 blob > + * > + * This macro: > + > + * 1. Copies built-in BL31 blob to an address i.MX8M's BL31 > + * expects to be placed > + * > + * 2. Sets up temporary stack pointer for EL2, which is execution > + * level that BL31 will drop us off at after it completes its > + * initialization routine > + * > + * 3. Transfers control to BL31 > + * > + * NOTE: This has to be a macro in order delay the expansion of > + * get_builtin_firmware(), otherwise it'll incorrectly interpret > + * "name" literally You show a good reason why we should add the firmware name strings to the image along with a function that iterates over them. How to add the firmware name strings is already provided in the Kernels firmware/Makefile. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
