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lib: sbi: Simplify system reset platform operations

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Instead of having system_reset_check() and system_reset() callbacks
in platform operations, it will be much simpler for reset driver to
directly register these operations as a device to the sbi_system
implementation.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Anup Patel
2021-04-22 11:53:32 +05:30
committed by Anup Patel
parent dc39c7b630
commit 043d088e39
17 changed files with 148 additions and 171 deletions
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25
lib/sbi/sbi_system.c
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@@ -18,10 +18,25 @@
#include <sbi/sbi_ipi.h>
#include <sbi/sbi_init.h>
static const struct sbi_system_reset_device *reset_dev = NULL;
const struct sbi_system_reset_device *sbi_system_reset_get_device(void)
{
return reset_dev;
}
void sbi_system_reset_set_device(const struct sbi_system_reset_device *dev)
{
if (!dev || reset_dev)
return;
reset_dev = dev;
}
bool sbi_system_reset_supported(u32 reset_type, u32 reset_reason)
{
if (sbi_platform_system_reset_check(sbi_platform_thishart_ptr(),
reset_type, reset_reason))
if (reset_dev && reset_dev->system_reset_check &&
reset_dev->system_reset_check(reset_type, reset_reason))
return TRUE;
return FALSE;
@@ -47,9 +62,9 @@ void __noreturn sbi_system_reset(u32 reset_type, u32 reset_reason)
sbi_hsm_hart_stop(scratch, FALSE);
/* Platform specific reset if domain allowed system reset */
if (dom->system_reset_allowed)
sbi_platform_system_reset(sbi_platform_ptr(scratch),
reset_type, reset_reason);
if (dom->system_reset_allowed &&
reset_dev && reset_dev->system_reset)
reset_dev->system_reset(reset_type, reset_reason);
/* If platform specific reset did not work then do sbi_exit() */
sbi_exit(scratch);