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Tegra: add 'late' platform setup handler 

This patch adds a platform setup handler that gets called after
the MMU is enabled. Platforms wanting to make use of this handler
should declare 'plat_late_platform_setup' handler in their platform
files, to override the default weakly defined handler.

Change-Id: Ibc97a2e5a24608ddea856d0bd543a9d5876f604c
Signed-off-by: Dilan Lee <dilee@nvidia.com>
This commit is contained in:
Dilan Lee 2017-10-27 09:51:09 +08:00 committed by Varun Wadekar
parent dd20f5b3d9
commit 3e1923d9cf
2 changed files with 15 additions and 1 deletions
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13
plat/nvidia/tegra/common/tegra_bl31_setup.c
View File

@ -70,6 +70,7 @@ extern uint64_t ns_image_entrypoint;
#pragma weak plat_early_platform_setup
#pragma weak plat_get_bl31_params
#pragma weak plat_get_bl31_plat_params
#pragma weak plat_late_platform_setup
void plat_early_platform_setup(void)
{
@ -86,6 +87,11 @@ plat_params_from_bl2_t *plat_get_bl31_plat_params(void)
return NULL;
}
void plat_late_platform_setup(void)
{
; /* do nothing */
}
/*******************************************************************************
* Return a pointer to the 'entry_point_info' structure of the next image for
* security state specified. BL33 corresponds to the non-secure image type
@ -328,6 +334,13 @@ void bl31_platform_setup(void)
*/
tegra_memctrl_tzram_setup(TEGRA_TZRAM_BASE, TEGRA_TZRAM_SIZE);
/*
* Late setup handler to allow platforms to performs additional
* functionality.
* This handler gets called with MMU enabled.
*/
plat_late_platform_setup();
/*
* Add timestamp for platform setup exit.
*/

3
plat/nvidia/tegra/include/tegra_private.h
View File

@ -75,6 +75,8 @@ uint32_t plat_get_console_from_id(int32_t id);
void plat_gic_setup(void);
struct tegra_bl31_params *plat_get_bl31_params(void);
plat_params_from_bl2_t *plat_get_bl31_plat_params(void);
void plat_early_platform_setup(void);
void plat_late_platform_setup(void);
/* Declarations for plat_secondary.c */
void plat_secondary_setup(void);
@ -126,7 +128,6 @@ int tegra_prepare_cpu_on_finish(unsigned long mpidr);
/* Declarations for tegra_bl31_setup.c */
plat_params_from_bl2_t *bl31_get_plat_params(void);
int32_t bl31_check_ns_address(uint64_t base, uint64_t size_in_bytes);
void plat_early_platform_setup(void);
/* Declarations for tegra_delay_timer.c */
void tegra_delay_timer_init(void);