diff options
Diffstat (limited to 'plat/arm/css/sgi/sgi_bl31_setup.c')
| -rw-r--r-- | plat/arm/css/sgi/sgi_bl31_setup.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/plat/arm/css/sgi/sgi_bl31_setup.c b/plat/arm/css/sgi/sgi_bl31_setup.c new file mode 100644 index 0000000..27cf183 --- /dev/null +++ b/plat/arm/css/sgi/sgi_bl31_setup.c @@ -0,0 +1,139 @@ +/* + * Copyright (c) 2018-2022, Arm Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> + +#include <libfdt.h> + +#include <common/bl_common.h> +#include <common/debug.h> +#include <drivers/arm/css/css_mhu_doorbell.h> +#include <drivers/arm/css/scmi.h> +#include <plat/arm/common/plat_arm.h> + +#include <plat/common/platform.h> + +#include <plat/arm/css/common/css_pm.h> + +#include <sgi_ras.h> +#include <sgi_variant.h> + +sgi_platform_info_t sgi_plat_info; + +static scmi_channel_plat_info_t sgi575_scmi_plat_info = { + .scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE, + .db_reg_addr = PLAT_CSS_MHU_BASE + CSS_SCMI_MHU_DB_REG_OFF, + .db_preserve_mask = 0xfffffffe, + .db_modify_mask = 0x1, + .ring_doorbell = &mhu_ring_doorbell, +}; + +static scmi_channel_plat_info_t plat_rd_scmi_info[] = { + { + .scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE, + .db_reg_addr = PLAT_CSS_MHU_BASE + SENDER_REG_SET(0), + .db_preserve_mask = 0xfffffffe, + .db_modify_mask = 0x1, + .ring_doorbell = &mhuv2_ring_doorbell, + }, + #if (CSS_SGI_CHIP_COUNT > 1) + { + .scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE + + CSS_SGI_REMOTE_CHIP_MEM_OFFSET(1), + .db_reg_addr = PLAT_CSS_MHU_BASE + + CSS_SGI_REMOTE_CHIP_MEM_OFFSET(1) + SENDER_REG_SET(0), + .db_preserve_mask = 0xfffffffe, + .db_modify_mask = 0x1, + .ring_doorbell = &mhuv2_ring_doorbell, + }, + #endif + #if (CSS_SGI_CHIP_COUNT > 2) + { + .scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE + + CSS_SGI_REMOTE_CHIP_MEM_OFFSET(2), + .db_reg_addr = PLAT_CSS_MHU_BASE + + CSS_SGI_REMOTE_CHIP_MEM_OFFSET(2) + SENDER_REG_SET(0), + .db_preserve_mask = 0xfffffffe, + .db_modify_mask = 0x1, + .ring_doorbell = &mhuv2_ring_doorbell, + }, + #endif + #if (CSS_SGI_CHIP_COUNT > 3) + { + .scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE + + CSS_SGI_REMOTE_CHIP_MEM_OFFSET(3), + .db_reg_addr = PLAT_CSS_MHU_BASE + + CSS_SGI_REMOTE_CHIP_MEM_OFFSET(3) + SENDER_REG_SET(0), + .db_preserve_mask = 0xfffffffe, + .db_modify_mask = 0x1, + .ring_doorbell = &mhuv2_ring_doorbell, + }, + #endif +}; + +scmi_channel_plat_info_t *plat_css_get_scmi_info(int channel_id) +{ + if (sgi_plat_info.platform_id == RD_N1E1_EDGE_SID_VER_PART_NUM || + sgi_plat_info.platform_id == RD_V1_SID_VER_PART_NUM || + sgi_plat_info.platform_id == RD_N2_SID_VER_PART_NUM || + sgi_plat_info.platform_id == RD_V2_SID_VER_PART_NUM || + sgi_plat_info.platform_id == RD_N2_CFG1_SID_VER_PART_NUM) { + if (channel_id >= ARRAY_SIZE(plat_rd_scmi_info)) + panic(); + return &plat_rd_scmi_info[channel_id]; + } + else if (sgi_plat_info.platform_id == SGI575_SSC_VER_PART_NUM) + return &sgi575_scmi_plat_info; + else + panic(); +} + +void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, + u_register_t arg2, u_register_t arg3) +{ + sgi_plat_info.platform_id = plat_arm_sgi_get_platform_id(); + sgi_plat_info.config_id = plat_arm_sgi_get_config_id(); + sgi_plat_info.multi_chip_mode = plat_arm_sgi_get_multi_chip_mode(); + + arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3); +} + +void sgi_bl31_common_platform_setup(void) +{ + arm_bl31_platform_setup(); + +#if RAS_EXTENSION + sgi_ras_intr_handler_setup(); +#endif + + /* Configure the warm reboot SGI for primary core */ + css_setup_cpu_pwr_down_intr(); + +#if CSS_SYSTEM_GRACEFUL_RESET + /* Register priority level handlers for reboot */ + ehf_register_priority_handler(PLAT_REBOOT_PRI, + css_reboot_interrupt_handler); +#endif +} + +const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops) +{ + /* + * For RD-E1-Edge, only CPU power ON/OFF, PSCI platform callbacks are + * supported. + */ + if (((sgi_plat_info.platform_id == RD_N1E1_EDGE_SID_VER_PART_NUM) && + (sgi_plat_info.config_id == RD_E1_EDGE_CONFIG_ID))) { + ops->cpu_standby = NULL; + ops->system_off = NULL; + ops->system_reset = NULL; + ops->get_sys_suspend_power_state = NULL; + ops->pwr_domain_suspend = NULL; + ops->pwr_domain_suspend_finish = NULL; + } + + return css_scmi_override_pm_ops(ops); +} |