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lib: utils/hsm: wake sleeping Andes harts with an IPI

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An IPI wakes a hart from light sleep and, once MSIP is kept as an SMU
wakeup event, from deep sleep too. Drop the WAKEUP_CMD path and the boot
state, hart type and sleep type conditions that selected it.

Signed-off-by: Ben Zong-You Xie <ben717@andestech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20260728081041.2724668-6-ben717@andestech.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Ben Zong-You Xie
2026-09-01 10:46:23 +05:30
committed by Anup Patel
parent 9ceaf4738a
commit e01bd7926b
3 changed files with 9 additions and 21 deletions
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include/sbi_utils/hsm/fdt_hsm_andes_atcsmu.h
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@@ -36,6 +36,7 @@
#define PCS_WAKEUP_RTC_ALARM_MASK BIT(2)
#define PCS_WAKEUP_UART2_MASK BIT(9)
#define PCS_WAKEUP_MSIP_MASK BIT(29)
#define PCS_WAKEUP_MEIP_MASK BIT(31)
#define PCS0_CTL_OFFSET 0x94
#define PCSm_CTL_OFFSET(i) ((i + 3) * 0x20 + PCS0_CTL_OFFSET)