ARM: IMXRT: introduce is_imxrt*() macros and get_cpu_rev()
We need those macros to instruct drivers on how to behave for SoC specific
quirks, so let's add it as done for other i.MX SoCs.
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h
index bb13e07..267a094 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_IMXRT1020 0xB4 /* dummy ID */
+#define MXC_CPU_IMXRT1050 0xB6 /* dummy ID */
#define MXC_CPU_MX7ULP 0xE1 /* Temporally hard code */
#define MXC_CPU_VF610 0xF6 /* dummy ID */
@@ -57,6 +59,7 @@
#define MXC_SOC_MX7 0x70
#define MXC_SOC_IMX8M 0x80
#define MXC_SOC_IMX8 0x90 /* dummy */
+#define MXC_SOC_IMXRT 0xB0 /* dummy */
#define MXC_SOC_MX7ULP 0xE0 /* dummy */
#define CHIP_REV_1_0 0x10
diff --git a/arch/arm/include/asm/mach-imx/sys_proto.h b/arch/arm/include/asm/mach-imx/sys_proto.h
index c7668ff..b612189 100644
--- a/arch/arm/include/asm/mach-imx/sys_proto.h
+++ b/arch/arm/include/asm/mach-imx/sys_proto.h
@@ -31,6 +31,7 @@
#define is_mx7() (is_soc_type(MXC_SOC_MX7))
#define is_imx8m() (is_soc_type(MXC_SOC_IMX8M))
#define is_imx8() (is_soc_type(MXC_SOC_IMX8))
+#define is_imxrt() (is_soc_type(MXC_SOC_IMXRT))
#define is_mx6dqp() (is_cpu_type(MXC_CPU_MX6QP) || is_cpu_type(MXC_CPU_MX6DP))
#define is_mx6dq() (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
@@ -78,6 +79,9 @@
#define is_imx8qxp() (is_cpu_type(MXC_CPU_IMX8QXP))
+#define is_imxrt1020() (is_cpu_type(MXC_CPU_IMXRT1020))
+#define is_imxrt1050() (is_cpu_type(MXC_CPU_IMXRT1050))
+
#ifdef CONFIG_MX6
#define IMX6_SRC_GPR10_BMODE BIT(28)
#define IMX6_SRC_GPR10_PERSIST_SECONDARY_BOOT BIT(30)
diff --git a/arch/arm/mach-imx/imxrt/soc.c b/arch/arm/mach-imx/imxrt/soc.c
index c533f35..ba01599 100644
--- a/arch/arm/mach-imx/imxrt/soc.c
+++ b/arch/arm/mach-imx/imxrt/soc.c
@@ -8,6 +8,7 @@
#include <init.h>
#include <asm/io.h>
#include <asm/armv7_mpu.h>
+#include <asm/mach-imx/sys_proto.h>
#include <linux/bitops.h>
int arch_cpu_init(void)
@@ -35,3 +36,14 @@
return 0;
}
+
+u32 get_cpu_rev(void)
+{
+#if defined(CONFIG_IMXRT1020)
+ return MXC_CPU_IMXRT1020 << 12;
+#elif defined(CONFIG_IMXRT1050)
+ return MXC_CPU_IMXRT1050 << 12;
+#else
+#error This IMXRT SoC is not supported
+#endif
+}