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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
| commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
| tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/rockchip/common/pmusram | |
| parent | Initial commit. (diff) | |
| download | arm-trusted-firmware-upstream.tar.xz arm-trusted-firmware-upstream.zip | |
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plat/rockchip/common/pmusram')
| -rw-r--r-- | plat/rockchip/common/pmusram/cpus_on_fixed_addr.S | 48 | ||||
| -rw-r--r-- | plat/rockchip/common/pmusram/cpus_on_fixed_addr.h | 55 |
2 files changed, 103 insertions, 0 deletions
diff --git a/plat/rockchip/common/pmusram/cpus_on_fixed_addr.S b/plat/rockchip/common/pmusram/cpus_on_fixed_addr.S new file mode 100644 index 0000000..6cea2ea --- /dev/null +++ b/plat/rockchip/common/pmusram/cpus_on_fixed_addr.S @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <platform_def.h> +#include <cpus_on_fixed_addr.h> + + .globl sys_sleep_flag_sram + .globl pmu_cpuson_entrypoint + + .macro pmusram_entry_func _name + .section .pmusram.entry, "ax" + .type \_name, %function + .cfi_startproc + \_name: + .endm + +pmusram_entry_func pmu_cpuson_entrypoint + adr x5, sys_sleep_flag_sram + ldr w2, [x5, #PSRAM_DT_PM_FLAG] + + tbz w2, #PM_WARM_BOOT_SHT, sys_resume_sp + ldr x1, =platform_cpu_warmboot + br x1 +sys_resume_sp: + adr x5, sys_sleep_flag_sram + ldr x1, [x5, #PSRAM_DT_SP] + mov sp, x1 +ddr_resume: + ldr x1, [x5, #PSRAM_DT_DDR_FUNC] + cmp x1, #0 + b.eq sys_resume + blr x1 +sys_resume: + ldr x1, =bl31_warm_entrypoint + br x1 +endfunc pmu_cpuson_entrypoint + + .section .pmusram.data, "a" + .align 3 +sys_sleep_flag_sram: + .rept PSRAM_DT_SIZE_WORDS + .word 0 + .endr diff --git a/plat/rockchip/common/pmusram/cpus_on_fixed_addr.h b/plat/rockchip/common/pmusram/cpus_on_fixed_addr.h new file mode 100644 index 0000000..bcd2a7c --- /dev/null +++ b/plat/rockchip/common/pmusram/cpus_on_fixed_addr.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef __CPU_ON_FIXED_ADDR_H__ +#define __CPU_ON_FIXED_ADDR_H__ + +/***************************************************************************** + * define data offset in struct psram_data + *****************************************************************************/ +#define PSRAM_DT_SP 0x0 +#define PSRAM_DT_DDR_FUNC 0x8 +#define PSRAM_DT_DDR_DATA 0x10 +#define PSRAM_DT_DDRFLAG 0x18 +#define PSRAM_DT_MPIDR 0x1c +#define PSRAM_DT_PM_FLAG 0x20 +#define PSRAM_DT_END 0x24 + +/* reserve 4 byte */ +#define PSRAM_DT_END_RES4 (PSRAM_DT_END + 4) + +#define PSRAM_DT_SIZE_WORDS (PSRAM_DT_END_RES4 / 4) + +#define PM_WARM_BOOT_SHT 0 +#define PM_WARM_BOOT_BIT (1 << PM_WARM_BOOT_SHT) + +#ifndef __ASSEMBLER__ + +struct psram_data_t { + uint64_t sp; + uint64_t ddr_func; + uint64_t ddr_data; + uint32_t ddr_flag; + uint32_t boot_mpidr; + uint32_t pm_flag; +}; + +CASSERT(__builtin_offsetof(struct psram_data_t, sp) == PSRAM_DT_SP, + assert_psram_dt_sp_offset_mistmatch); +CASSERT(__builtin_offsetof(struct psram_data_t, ddr_func) == PSRAM_DT_DDR_FUNC, + assert_psram_dt_ddr_func_offset_mistmatch); +CASSERT(__builtin_offsetof(struct psram_data_t, ddr_data) == PSRAM_DT_DDR_DATA, + assert_psram_dt_ddr_data_offset_mistmatch); +CASSERT(__builtin_offsetof(struct psram_data_t, ddr_flag) == PSRAM_DT_DDRFLAG, + assert_psram_dt_ddr_flag_offset_mistmatch); +CASSERT(__builtin_offsetof(struct psram_data_t, boot_mpidr) == PSRAM_DT_MPIDR, + assert_psram_dt_mpidr_offset_mistmatch); + +extern struct psram_data_t sys_sleep_flag_sram; + +#endif /* __ASSEMBLER__ */ + +#endif |