[PATCH v3 01/21] imx9: soc: wait ssar when power on power domain

Peng Fan (OSS) peng.fan at oss.nxp.com
Thu Sep 19 06:01:19 CEST 2024


From: Peng Fan <peng.fan at nxp.com>

SSAR handshake done means power on finished, not ISO done. so correct
the waiting mask.

Fixes: 0256577a83b ("imx: imx9: Add MIX power init")
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/include/asm/arch-imx9/imx-regs.h | 1 +
 arch/arm/mach-imx/imx9/soc.c              | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/arch-imx9/imx-regs.h b/arch/arm/include/asm/arch-imx9/imx-regs.h
index 76d241eab09..9953c33b73b 100644
--- a/arch/arm/include/asm/arch-imx9/imx-regs.h
+++ b/arch/arm/include/asm/arch-imx9/imx-regs.h
@@ -38,6 +38,7 @@
 #define SRC_MIX_SLICE_FUNC_STAT_PSW_STAT BIT(0)
 #define SRC_MIX_SLICE_FUNC_STAT_RST_STAT BIT(2)
 #define SRC_MIX_SLICE_FUNC_STAT_ISO_STAT BIT(4)
+#define SRC_MIX_SLICE_FUNC_STAT_SSAR_STAT BIT(8)
 #define SRC_MIX_SLICE_FUNC_STAT_MEM_STAT BIT(12)
 
 #define IMG_CONTAINER_BASE             (0x80000000UL)
diff --git a/arch/arm/mach-imx/imx9/soc.c b/arch/arm/mach-imx/imx9/soc.c
index f88e7a222dd..3ee2f3d881f 100644
--- a/arch/arm/mach-imx/imx9/soc.c
+++ b/arch/arm/mach-imx/imx9/soc.c
@@ -752,7 +752,7 @@ static int mix_power_init(enum mix_power_domain pd)
 	/* power on */
 	clrbits_le32(&mix_regs->slice_sw_ctrl, BIT(31));
 	val = readl(&mix_regs->func_stat);
-	while (val & SRC_MIX_SLICE_FUNC_STAT_ISO_STAT)
+	while (val & SRC_MIX_SLICE_FUNC_STAT_SSAR_STAT)
 		val = readl(&mix_regs->func_stat);
 
 	return 0;

-- 
2.35.3



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