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arm: mach-omap2: am33xx: Add FDT fixup suport for AM33xx/AM43xx boards

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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>
This commit is contained in:
Andrew F. Davis 2017-07-10 14:45:52 -05:00 committed by Tom Rini
parent 137ae0c4b1
commit ddf013458d
2 changed files with 44 additions and 0 deletions
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1
arch/arm/mach-omap2/am33xx/Makefile
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@ -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

43
arch/arm/mach-omap2/am33xx/fdt.c Normal file
View file

@ -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);
}