Similar to what is done with OMAP5 class boards we need to perform fixups common to this SoC class, add support for this here and add HS fixups.
Signed-off-by: Andrew F. Davis afd@ti.com --- arch/arm/mach-omap2/am33xx/Makefile | 1 + arch/arm/mach-omap2/am33xx/fdt.c | 43 +++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) create mode 100644 arch/arm/mach-omap2/am33xx/fdt.c
diff --git a/arch/arm/mach-omap2/am33xx/Makefile b/arch/arm/mach-omap2/am33xx/Makefile index b2f8158e73..9d4f83cb75 100644 --- a/arch/arm/mach-omap2/am33xx/Makefile +++ b/arch/arm/mach-omap2/am33xx/Makefile @@ -23,6 +23,7 @@ obj-y += board.o obj-y += mux.o obj-y += prcm-regs.o obj-y += hw_data.o +obj-y += fdt.o
obj-$(CONFIG_CLOCK_SYNTHESIZER) += clk_synthesizer.o
diff --git a/arch/arm/mach-omap2/am33xx/fdt.c b/arch/arm/mach-omap2/am33xx/fdt.c new file mode 100644 index 0000000000..02e8243800 --- /dev/null +++ b/arch/arm/mach-omap2/am33xx/fdt.c @@ -0,0 +1,43 @@ +/* + * Copyright 2017 Texas Instruments, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <malloc.h> + +#include <asm/omap_common.h> +#include <asm/arch-am33xx/sys_proto.h> + +#ifdef CONFIG_TI_SECURE_DEVICE + +static void ft_hs_fixups(void *fdt, bd_t *bd) +{ + /* Check we are running on an HS/EMU device type */ + if (GP_DEVICE != get_device_type()) { + if ((ft_hs_disable_rng(fdt, bd) == 0) && + (ft_hs_fixup_dram(fdt, bd) == 0) && + (ft_hs_add_tee(fdt, bd) == 0)) + return; + } else { + printf("ERROR: Incorrect device type (GP) detected!"); + } + /* Fixup failed or wrong device type */ + hang(); +} +#else +static void ft_hs_fixups(void *fdt, bd_t *bd) { } +#endif /* #ifdef CONFIG_TI_SECURE_DEVICE */ + +/* + * Place for general cpu/SoC FDT fixups. Board specific + * fixups should remain in the board files which is where + * this function should be called from. + */ +void ft_cpu_setup(void *fdt, bd_t *bd) +{ + ft_hs_fixups(fdt, bd); +}