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soc: rockchip: debug: disable os lock for edpcsr

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Change-Id: I59efc4705905880797ab14ce28726fb3542267f8
Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
This commit is contained in:
Huibin Hong
2025-03-29 17:56:35 +08:00
committed by Tao Huang
parent d61c690c97
commit 6c866b2ffc
1 changed files with 10 additions and 0 deletions
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10
drivers/soc/rockchip/rockchip_debug.c
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@@ -79,6 +79,8 @@
#define PMPCSR_LO 0x200
#define PMPCSR_HI 0x204
#define EDOSLAR 0x300
#define NUM_CPU_SAMPLES 100
#define NUM_SAMPLES_TO_PRINT 32
@@ -139,6 +141,9 @@ static int rockchip_debug_dump_edpcsr(struct fiq_debugger_output *output)
/* Unlock EDLSR.SLK so that EDPCSRhi gets populated */
writel(EDLAR_UNLOCK, base + EDLAR);
/* Disabled os lock */
writel(0, base + EDOSLAR);
/* Try to read a bunch of times if CPU is actually running */
for (j = 0; j < NUM_CPU_SAMPLES &&
printed < NUM_SAMPLES_TO_PRINT; j++) {
@@ -299,6 +304,9 @@ static int rockchip_panic_notify_edpcsr(struct notifier_block *nb,
/* Unlock EDLSR.SLK so that EDPCSRhi gets populated */
writel(EDLAR_UNLOCK, base + EDLAR);
/* Disabled os lock */
writel(0, base + EDOSLAR);
pr_err("CPU%d online:%d\n", i, cpu_online(i));
/* Try to read a bunch of times if CPU is actually running */
@@ -533,6 +541,8 @@ static int rockchip_hardlock_notify(struct notifier_block *nb,
base = rockchip_cpu_debug[cpu];
/* Unlock EDLSR.SLK so that EDPCSRhi gets populated */
writel(EDLAR_UNLOCK, base + EDLAR);
/* Disabled os lock */
writel(0, base + EDOSLAR);
if (sizeof(edpcsr) == 8)
edpcsr = ((u64)readl(base + EDPCSR_LO)) |
((u64)readl(base + EDPCSR_HI) << 32);