[PATCH 05/24] imx: imx8m: add i.MX8MQ Dual and QuadLite support
Peng Fan
peng.fan at nxp.com
Wed Apr 22 15:52:16 CEST 2020
Add i.MX8MQ Dual and QuadLite variants.
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
arch/arm/include/asm/arch-imx/cpu.h | 2 ++
arch/arm/include/asm/mach-imx/sys_proto.h | 4 +++-
arch/arm/mach-imx/cpu.c | 6 +++++-
arch/arm/mach-imx/imx8m/soc.c | 10 +++++++++-
4 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h
index 5ade63665a..71f0715dd1 100644
--- a/arch/arm/include/asm/arch-imx/cpu.h
+++ b/arch/arm/include/asm/arch-imx/cpu.h
@@ -26,6 +26,8 @@
#define MXC_CPU_MX7S 0x71 /* dummy ID */
#define MXC_CPU_MX7D 0x72
#define MXC_CPU_IMX8MQ 0x82
+#define MXC_CPU_IMX8MD 0x83 /* dummy ID */
+#define MXC_CPU_IMX8MQL 0x84 /* dummy ID */
#define MXC_CPU_IMX8MM 0x85 /* dummy ID */
#define MXC_CPU_IMX8MML 0x86 /* dummy ID */
#define MXC_CPU_IMX8MMD 0x87 /* dummy ID */
diff --git a/arch/arm/include/asm/mach-imx/sys_proto.h b/arch/arm/include/asm/mach-imx/sys_proto.h
index 103dde4d36..59b145bab1 100644
--- a/arch/arm/include/asm/mach-imx/sys_proto.h
+++ b/arch/arm/include/asm/mach-imx/sys_proto.h
@@ -43,7 +43,9 @@
#define is_mx7ulp() (is_cpu_type(MXC_CPU_MX7ULP))
-#define is_imx8mq() (is_cpu_type(MXC_CPU_IMX8MQ))
+#define is_imx8mq() (is_cpu_type(MXC_CPU_IMX8MQ) || is_cpu_type(MXC_CPU_IMX8MD) || is_cpu_type(MXC_CPU_IMX8MQL))
+#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_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) || \
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index 8217913b4a..e07ca5821a 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -109,7 +109,11 @@ const char *get_imx_type(u32 imxtype)
case MXC_CPU_IMX8MMSL:
return "8MMSL"; /* Single-core Lite version of the imx8mm */
case MXC_CPU_IMX8MQ:
- return "8MQ"; /* Quad-core version of the imx8m */
+ return "8MQ"; /* Quad-core version of the imx8mq */
+ case MXC_CPU_IMX8MQL:
+ return "8MQLite"; /* Quad-core Lite version of the imx8mq */
+ case MXC_CPU_IMX8MD:
+ return "8MD"; /* Dual-core version of the imx8mq */
case MXC_CPU_MX7S:
return "7S"; /* Single-core version of the mx7 */
case MXC_CPU_MX7D:
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 7fcbd53f30..c449b8b1ec 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -165,7 +165,13 @@ static u32 get_cpu_variant_type(u32 type)
u32 value = readl(&fuse->tester4);
- if (type == MXC_CPU_IMX8MM) {
+ if (type == MXC_CPU_IMX8MQ) {
+ if ((value & 0x3) == 0x2)
+ return MXC_CPU_IMX8MD;
+ else if (value & 0x200000)
+ return MXC_CPU_IMX8MQL;
+
+ } else if (type == MXC_CPU_IMX8MM) {
switch (value & 0x3) {
case 2:
if (value & 0x1c0000)
@@ -226,6 +232,8 @@ u32 get_cpu_rev(void)
}
}
}
+
+ type = get_cpu_variant_type(type);
}
return (type << 12) | reg;
--
2.16.4
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