[PATCH 02/37] arm: imx: add i.MX8ULP cpu type and helper
Peng Fan (OSS)
peng.fan at oss.nxp.com
Mon Apr 12 14:12:31 CEST 2021
From: Peng Fan <peng.fan at nxp.com>
Add i.MX8ULP cpu type and helpers.
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
arch/arm/include/asm/arch-imx/cpu.h | 2 ++
arch/arm/include/asm/arch-imx8ulp/sys_proto.h | 11 +++++++++++
arch/arm/include/asm/mach-imx/sys_proto.h | 1 +
arch/arm/mach-imx/imx8ulp/soc.c | 11 +++++++++++
4 files changed, 25 insertions(+)
create mode 100644 arch/arm/include/asm/arch-imx8ulp/sys_proto.h
create mode 100644 arch/arm/mach-imx/imx8ulp/soc.c
diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h
index bb13e07b66..2969d1f9f9 100644
--- a/arch/arm/include/asm/arch-imx/cpu.h
+++ b/arch/arm/include/asm/arch-imx/cpu.h
@@ -50,6 +50,8 @@
#define MXC_CPU_IMX8QXP_A0 0x90 /* dummy ID */
#define MXC_CPU_IMX8QM 0x91 /* dummy ID */
#define MXC_CPU_IMX8QXP 0x92 /* dummy ID */
+#define MXC_CPU_IMX8ULP 0xA1 /* dummy ID */
+
#define MXC_CPU_MX7ULP 0xE1 /* Temporally hard code */
#define MXC_CPU_VF610 0xF6 /* dummy ID */
diff --git a/arch/arm/include/asm/arch-imx8ulp/sys_proto.h b/arch/arm/include/asm/arch-imx8ulp/sys_proto.h
new file mode 100644
index 0000000000..cab12c218e
--- /dev/null
+++ b/arch/arm/include/asm/arch-imx8ulp/sys_proto.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2021 NXP
+ */
+
+#ifndef __ARCH_IMX8ULP_SYS_PROTO_H
+#define __ARCH_NMX8ULP_SYS_PROTO_H
+
+#include <asm/mach-imx/sys_proto.h>
+
+#endif
diff --git a/arch/arm/include/asm/mach-imx/sys_proto.h b/arch/arm/include/asm/mach-imx/sys_proto.h
index c7668ffc4d..ea746ae6ee 100644
--- a/arch/arm/include/asm/mach-imx/sys_proto.h
+++ b/arch/arm/include/asm/mach-imx/sys_proto.h
@@ -50,6 +50,7 @@ struct bd_info;
#define is_imx8md() (is_cpu_type(MXC_CPU_IMX8MD))
#define is_imx8mql() (is_cpu_type(MXC_CPU_IMX8MQL))
#define is_imx8qm() (is_cpu_type(MXC_CPU_IMX8QM))
+#define is_imx8ulp() (is_cpu_type(MXC_CPU_IMX8ULP))
#define is_imx8mm() (is_cpu_type(MXC_CPU_IMX8MM) || is_cpu_type(MXC_CPU_IMX8MML) ||\
is_cpu_type(MXC_CPU_IMX8MMD) || is_cpu_type(MXC_CPU_IMX8MMDL) || \
is_cpu_type(MXC_CPU_IMX8MMS) || is_cpu_type(MXC_CPU_IMX8MMSL))
diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c
new file mode 100644
index 0000000000..b3679aefcb
--- /dev/null
+++ b/arch/arm/mach-imx/imx8ulp/soc.c
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 NXP
+ */
+
+#include <asm/arch/sys_proto.h>
+
+u32 get_cpu_rev(void)
+{
+ return (MXC_CPU_IMX8ULP << 12) | CHIP_REV_1_0;
+}
--
2.30.0
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