From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- plat/mediatek/lib/pm/mtk_pm.c | 120 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 plat/mediatek/lib/pm/mtk_pm.c (limited to 'plat/mediatek/lib/pm/mtk_pm.c') diff --git a/plat/mediatek/lib/pm/mtk_pm.c b/plat/mediatek/lib/pm/mtk_pm.c new file mode 100644 index 0000000..3dbeb51 --- /dev/null +++ b/plat/mediatek/lib/pm/mtk_pm.c @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include +#include + +#define MTK_PM_ST_SMP_READY BIT(0) +#define MTK_PM_ST_PWR_READY BIT(1) +#define MTK_PM_ST_RESET_READY BIT(2) + +static uintptr_t mtk_secure_entrypoint; +static plat_init_func mtk_plat_smp_init; +static plat_psci_ops_t mtk_pm_ops; +static unsigned int mtk_pm_status; + +uintptr_t plat_pm_get_warm_entry(void) +{ + return mtk_secure_entrypoint; +} + +int plat_pm_ops_setup_pwr(struct plat_pm_pwr_ctrl *ops) +{ + if (!ops) { + return MTK_CPUPM_E_FAIL; + } + +#if CONFIG_MTK_CPU_SUSPEND_EN + if (!mtk_pm_ops.pwr_domain_suspend) { + mtk_pm_ops.pwr_domain_suspend = ops->pwr_domain_suspend; + } + + if (!mtk_pm_ops.pwr_domain_suspend_finish) { + mtk_pm_ops.pwr_domain_suspend_finish = ops->pwr_domain_suspend_finish; + } + + if (!mtk_pm_ops.validate_power_state) { + mtk_pm_ops.validate_power_state = ops->validate_power_state; + } + + if (!mtk_pm_ops.get_sys_suspend_power_state) { + mtk_pm_ops.get_sys_suspend_power_state = ops->get_sys_suspend_power_state; + } + + mtk_pm_status |= MTK_PM_ST_PWR_READY; +#endif + return MTK_CPUPM_E_OK; +} + +int plat_pm_ops_setup_smp(struct plat_pm_smp_ctrl *ops) +{ + if (!ops) { + return MTK_CPUPM_E_FAIL; + } + +#if CONFIG_MTK_SMP_EN + if (!mtk_pm_ops.pwr_domain_on) { + mtk_pm_ops.pwr_domain_on = ops->pwr_domain_on; + } + + if (!mtk_pm_ops.pwr_domain_on_finish) { + mtk_pm_ops.pwr_domain_on_finish = ops->pwr_domain_on_finish; + } + + if (!mtk_pm_ops.pwr_domain_off) { + mtk_pm_ops.pwr_domain_off = ops->pwr_domain_off; + } + + if (!mtk_plat_smp_init) { + mtk_plat_smp_init = ops->init; + } + + mtk_pm_status |= MTK_PM_ST_SMP_READY; +#endif + return MTK_CPUPM_E_OK; +} + +int plat_pm_ops_setup_reset(struct plat_pm_reset_ctrl *ops) +{ + if (!ops) { + return MTK_CPUPM_E_FAIL; + } + + if (!mtk_pm_ops.system_off) { + mtk_pm_ops.system_off = ops->system_off; + } + + if (!mtk_pm_ops.system_reset) { + mtk_pm_ops.system_reset = ops->system_reset; + } + + if (!mtk_pm_ops.system_reset2) { + mtk_pm_ops.system_reset2 = ops->system_reset2; + } + + mtk_pm_status |= MTK_PM_ST_RESET_READY; + + return MTK_CPUPM_E_OK; +} + +int plat_setup_psci_ops(uintptr_t sec_entrypoint, + const plat_psci_ops_t **psci_ops) +{ + *psci_ops = &mtk_pm_ops; + mtk_secure_entrypoint = sec_entrypoint; + + if (mtk_plat_smp_init) { + unsigned int cpu_id = plat_my_core_pos(); + + mtk_plat_smp_init(cpu_id, mtk_secure_entrypoint); + } + INFO("%s, smp:(%d), pwr_ctrl:(%d), system_reset:(%d)\n", __func__, + !!(mtk_pm_status & MTK_PM_ST_SMP_READY), + !!(mtk_pm_status & MTK_PM_ST_PWR_READY), + !!(mtk_pm_status & MTK_PM_ST_RESET_READY)); + return 0; +} -- cgit v1.2.3