GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)
This commit is contained in:
+164
@@ -0,0 +1,164 @@
|
||||
/*
|
||||
* Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
|
||||
*
|
||||
* SPDX-License-Identifier: BSD-3-Clause
|
||||
*/
|
||||
|
||||
#include <platform_def.h>
|
||||
|
||||
#include <arch.h>
|
||||
#include <asm_macros.S>
|
||||
#include <common/bl_common.h>
|
||||
#include <cortex_a12.h>
|
||||
#include <plat_private.h>
|
||||
#include <plat_pmu_macros.S>
|
||||
|
||||
.globl cpuson_entry_point
|
||||
.globl cpuson_flags
|
||||
.globl platform_cpu_warmboot
|
||||
.globl plat_secondary_cold_boot_setup
|
||||
.globl plat_report_exception
|
||||
.globl plat_is_my_cpu_primary
|
||||
.globl plat_my_core_pos
|
||||
.globl plat_reset_handler
|
||||
.globl plat_panic_handler
|
||||
|
||||
/*
|
||||
* void plat_reset_handler(void);
|
||||
*
|
||||
* Determine the SOC type and call the appropriate reset
|
||||
* handler.
|
||||
*
|
||||
*/
|
||||
func plat_reset_handler
|
||||
bx lr
|
||||
endfunc plat_reset_handler
|
||||
|
||||
func plat_my_core_pos
|
||||
ldcopr r0, MPIDR
|
||||
and r1, r0, #MPIDR_CPU_MASK
|
||||
#ifdef PLAT_RK_MPIDR_CLUSTER_MASK
|
||||
and r0, r0, #PLAT_RK_MPIDR_CLUSTER_MASK
|
||||
#else
|
||||
and r0, r0, #MPIDR_CLUSTER_MASK
|
||||
#endif
|
||||
add r0, r1, r0, LSR #PLAT_RK_CLST_TO_CPUID_SHIFT
|
||||
bx lr
|
||||
endfunc plat_my_core_pos
|
||||
|
||||
/* --------------------------------------------------------------------
|
||||
* void plat_secondary_cold_boot_setup (void);
|
||||
*
|
||||
* This function performs any platform specific actions
|
||||
* needed for a secondary cpu after a cold reset e.g
|
||||
* mark the cpu's presence, mechanism to place it in a
|
||||
* holding pen etc.
|
||||
* --------------------------------------------------------------------
|
||||
*/
|
||||
func plat_secondary_cold_boot_setup
|
||||
/* rk3288 does not do cold boot for secondary CPU */
|
||||
cb_panic:
|
||||
b cb_panic
|
||||
endfunc plat_secondary_cold_boot_setup
|
||||
|
||||
func plat_is_my_cpu_primary
|
||||
ldcopr r0, MPIDR
|
||||
#ifdef PLAT_RK_MPIDR_CLUSTER_MASK
|
||||
ldr r1, =(PLAT_RK_MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
|
||||
#else
|
||||
ldr r1, =(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
|
||||
#endif
|
||||
and r0, r1
|
||||
cmp r0, #PLAT_RK_PRIMARY_CPU
|
||||
moveq r0, #1
|
||||
movne r0, #0
|
||||
bx lr
|
||||
endfunc plat_is_my_cpu_primary
|
||||
|
||||
/* --------------------------------------------------------------------
|
||||
* void plat_panic_handler(void)
|
||||
* Call system reset function on panic. Set up an emergency stack so we
|
||||
* can run C functions (it only needs to last for a few calls until we
|
||||
* reboot anyway).
|
||||
* --------------------------------------------------------------------
|
||||
*/
|
||||
func plat_panic_handler
|
||||
bl plat_set_my_stack
|
||||
b rockchip_soc_soft_reset
|
||||
endfunc plat_panic_handler
|
||||
|
||||
/* --------------------------------------------------------------------
|
||||
* void platform_cpu_warmboot (void);
|
||||
* cpus online or resume entrypoint
|
||||
* --------------------------------------------------------------------
|
||||
*/
|
||||
func platform_cpu_warmboot _align=16
|
||||
push { r4 - r7, lr }
|
||||
ldcopr r0, MPIDR
|
||||
and r5, r0, #MPIDR_CPU_MASK
|
||||
#ifdef PLAT_RK_MPIDR_CLUSTER_MASK
|
||||
and r6, r0, #PLAT_RK_MPIDR_CLUSTER_MASK
|
||||
#else
|
||||
and r6, r0, #MPIDR_CLUSTER_MASK
|
||||
#endif
|
||||
mov r0, r6
|
||||
|
||||
func_rockchip_clst_warmboot
|
||||
/* --------------------------------------------------------------------
|
||||
* big cluster id is 1
|
||||
* big cores id is from 0-3, little cores id 4-7
|
||||
* --------------------------------------------------------------------
|
||||
*/
|
||||
add r7, r5, r6, LSR #PLAT_RK_CLST_TO_CPUID_SHIFT
|
||||
/* --------------------------------------------------------------------
|
||||
* get per cpuup flag
|
||||
* --------------------------------------------------------------------
|
||||
*/
|
||||
ldr r4, =cpuson_flags
|
||||
add r4, r4, r7, lsl #2
|
||||
ldr r1, [r4]
|
||||
/* --------------------------------------------------------------------
|
||||
* check cpuon reason
|
||||
* --------------------------------------------------------------------
|
||||
*/
|
||||
cmp r1, #PMU_CPU_AUTO_PWRDN
|
||||
beq boot_entry
|
||||
cmp r1, #PMU_CPU_HOTPLUG
|
||||
beq boot_entry
|
||||
/* --------------------------------------------------------------------
|
||||
* If the boot core cpuson_flags or cpuson_entry_point is not
|
||||
* expection. force the core into wfe.
|
||||
* --------------------------------------------------------------------
|
||||
*/
|
||||
wfe_loop:
|
||||
wfe
|
||||
b wfe_loop
|
||||
boot_entry:
|
||||
mov r1, #0
|
||||
str r1, [r4]
|
||||
/* --------------------------------------------------------------------
|
||||
* get per cpuup boot addr
|
||||
* --------------------------------------------------------------------
|
||||
*/
|
||||
ldr r5, =cpuson_entry_point
|
||||
ldr r2, [r5, r7, lsl #2] /* ehem. #3 */
|
||||
pop { r4 - r7, lr }
|
||||
|
||||
bx r2
|
||||
endfunc platform_cpu_warmboot
|
||||
|
||||
/* --------------------------------------------------------------------
|
||||
* Per-CPU Secure entry point - resume or power up
|
||||
* --------------------------------------------------------------------
|
||||
*/
|
||||
.section tzfw_coherent_mem, "a"
|
||||
.align 3
|
||||
cpuson_entry_point:
|
||||
.rept PLATFORM_CORE_COUNT
|
||||
.quad 0
|
||||
.endr
|
||||
cpuson_flags:
|
||||
.rept PLATFORM_CORE_COUNT
|
||||
.word 0
|
||||
.endr
|
||||
rockchip_clst_warmboot_data
|
||||
Reference in New Issue
Block a user