Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-30 00:21:06 +00:00
Code Issues Projects Releases Packages Wiki Activity

arm: omap5: Add OPTEE node to fdt

Browse source 
Add an OPTEE node to the FDT when TEE installation has completed
successfully. This informs the kernel of the presence of OPTEE.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Andrew F. Davis 2016-11-29 16:33:24 -06:00 committed by Tom Rini
parent 57de1ea5be
commit a8ff968520
1 changed files with 34 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
arch/arm/mach-omap2/omap5/fdt.c
View file

@ -212,6 +212,38 @@ static int ft_hs_fixup_dram(void *fdt, bd_t *bd)
static int ft_hs_fixup_dram(void *fdt, bd_t *bd) { return 0; }
#endif
static int ft_hs_add_tee(void *fdt, bd_t *bd)
{
const char *path, *subpath;
int offs;
extern int tee_loaded;
if (!tee_loaded)
return 0;
path = "/";
offs = fdt_path_offset(fdt, path);
subpath = "firmware";
offs = fdt_add_subnode(fdt, offs, subpath);
if (offs < 0) {
printf("Could not create %s node.\n", subpath);
return 1;
}
subpath = "optee";
offs = fdt_add_subnode(fdt, offs, subpath);
if (offs < 0) {
printf("Could not create %s node.\n", subpath);
return 1;
}
fdt_setprop_string(fdt, offs, "compatible", "linaro,optee-tz");
fdt_setprop_string(fdt, offs, "method", "smc");
return 0;
}
static void ft_hs_fixups(void *fdt, bd_t *bd)
{
/* Check we are running on an HS/EMU device type */
@ -219,7 +251,8 @@ static void ft_hs_fixups(void *fdt, bd_t *bd)
if ((ft_hs_fixup_crossbar(fdt, bd) == 0) &&
(ft_hs_disable_rng(fdt, bd) == 0) &&
(ft_hs_fixup_sram(fdt, bd) == 0) &&
(ft_hs_fixup_dram(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!");