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ipq5018: Add multicore support

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This features allow to execute task on core 1.
This features not enable in tiny u-boot

Signed-off-by: Vandhiadevan Karunamoorthy <vkarunam@codeaurora.org>
Change-Id: I986e7e3af840fd627dc5b6675931b79ab24ecb33
This commit is contained in:
Vandhiadevan Karunamoorthy 2020-07-14 08:57:51 +05:30
parent f5b08fbe9e
commit d760f30afe
2 changed files with 38 additions and 0 deletions
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30
board/qca/arm/ipq5018/ipq5018.c
View file

@ -1658,3 +1658,33 @@ void fdt_fixup_set_dload_warm_reset(void *blob)
if (ret)
printf("fixup_set_dload: 'dload_warm_reset' not set");
}
#ifdef CONFIG_SMP_CMD_SUPPORT
int is_secondary_core_off(unsigned int cpuid)
{
int err;
err = __invoke_psci_fn_smc(ARM_PSCI_TZ_FN_AFFINITY_INFO, cpuid, 0, 0);
return err;
}
void bring_secondary_core_down(unsigned int state)
{
__invoke_psci_fn_smc(ARM_PSCI_TZ_FN_CPU_OFF, state, 0, 0);
}
int bring_sec_core_up(unsigned int cpuid, unsigned int entry, unsigned int arg)
{
int err;
err = __invoke_psci_fn_smc(ARM_PSCI_TZ_FN_CPU_ON, cpuid, entry, arg);
if (err) {
printf("Enabling CPU%d via psci failed!\n", cpuid);
return -1;
}
printf("Enabled CPU%d via psci successfully!\n", cpuid);
return 0;
}
#endif

8
include/configs/ipq5018.h
View file

@ -323,6 +323,10 @@ extern loff_t board_env_size;
#ifndef CONFIG_IPQ_TINY
#define CONFIG_CMD_BOOTZ
#define CONFIG_CMD_CACHE
/*
* Multicore CPU support
*/
#define CONFIG_SMP_CMD_SUPPORT
#endif
#define CONFIG_FDT_FIXUP_PARTITIONS
@ -389,4 +393,8 @@ extern loff_t board_env_size;
#undef CONFIG_ZLIB
#endif
#ifdef CONFIG_SMP_CMD_SUPPORT
#define NR_CPUS 2
#endif
#endif /* _IPQ5018_H */