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| author | Andre Przywara <andre.przywara@linaro.org> | 2013-09-19 18:06:43 +0200 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-10-03 21:28:46 +0200 |
| commit | bb975455650b1f36681de31a93ffe54952ed3a6b (patch) | |
| tree | c3fa9698a0cf9246d22f301d4e49616e53a051c6 /arch/arm/lib | |
| parent | 1ef923851ab8ffcc4265fd991815b88d9c1f12d7 (diff) | |
| download | u-boot-imx-bb975455650b1f36681de31a93ffe54952ed3a6b.zip u-boot-imx-bb975455650b1f36681de31a93ffe54952ed3a6b.tar.gz u-boot-imx-bb975455650b1f36681de31a93ffe54952ed3a6b.tar.bz2 | |
ARM: trigger non-secure state switch during bootm execution
To actually trigger the non-secure switch we just implemented, call
the switching routine from within the bootm command implementation.
This way we automatically enable this feature without further user
intervention.
Signed-off-by: Andre Przywara <andre.przywara@linaro.org>
Diffstat (limited to 'arch/arm/lib')
| -rw-r--r-- | arch/arm/lib/bootm.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index eefb456..b3a961a 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -22,6 +22,10 @@ #include <asm/bootm.h> #include <linux/compiler.h> +#ifdef CONFIG_ARMV7_NONSEC +#include <asm/armv7.h> +#endif + DECLARE_GLOBAL_DATA_PTR; static struct tag *params; @@ -181,6 +185,14 @@ static void setup_end_tag(bd_t *bd) __weak void setup_board_tags(struct tag **in_params) {} +static void do_nonsec_virt_switch(void) +{ +#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) + if (armv7_switch_nonsec() == 0) + debug("entered non-secure state\n"); +#endif +} + /* Subcommand: PREP */ static void boot_prep_linux(bootm_headers_t *images) { @@ -217,6 +229,7 @@ static void boot_prep_linux(bootm_headers_t *images) printf("FDT and ATAGS support not compiled in - hanging\n"); hang(); } + do_nonsec_virt_switch(); } /* Subcommand: GO */ |