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arch/risc-v: Remove g_serial_ok

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`WFI` is enough to wait the ready signal from master core,
so we can remove it.

Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
This commit is contained in:
Huang Qi 2022-01-23 15:38:02 +08:00 committed by Xiang Xiao
parent 422e005183
commit 71d3ff1045
4 changed files with 0 additions and 25 deletions
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3
arch/risc-v/src/c906/c906_start.c
View File

@ -59,7 +59,6 @@
*/
uintptr_t g_idle_topstack = C906_IDLESTACK_TOP;
volatile bool g_serial_ok = false;
/****************************************************************************
* Public Functions
@ -115,8 +114,6 @@ void __c906_start(uint32_t mhartid)
showprogress('B');
g_serial_ok = true;
/* Do board initialization */
c906_boardinitialize();

16
arch/risc-v/src/common/riscv_cpustart.c
View File

@ -41,16 +41,6 @@
#include "riscv_internal.h"
#include "chip.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
extern volatile bool g_serial_ok;
/****************************************************************************
* Public Functions
****************************************************************************/
@ -76,12 +66,6 @@ void riscv_cpu_boot(int cpu)
return;
}
/* Wait for g_serial_ok set by cpu0 when booting */
while (!g_serial_ok)
{
}
/* Clear machine software interrupt for CPU(cpu) */
putreg32(0, (uintptr_t)RISCV_CLINT_MSIP + (4 * cpu));

3
arch/risc-v/src/k210/k210_start.c
View File

@ -53,7 +53,6 @@
*/
uintptr_t g_idle_topstack = K210_IDLESTACK0_TOP;
volatile bool g_serial_ok = false;
/****************************************************************************
* Public Functions
@ -109,8 +108,6 @@ void __k210_start(uint32_t mhartid)
showprogress('B');
g_serial_ok = true;
/* Do board initialization */
k210_boardinitialize();

3
arch/risc-v/src/mpfs/mpfs_start.c
View File

@ -61,7 +61,6 @@
*/
uintptr_t g_idle_topstack = MPFS_IDLESTACK_TOP;
volatile bool g_serial_ok = false;
/* Default boot address for every hart */
@ -159,8 +158,6 @@ void __mpfs_start(uint32_t mhartid)
showprogress('B');
g_serial_ok = true;
/* Do board initialization */
mpfs_boardinitialize();