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-rw-r--r--arch/arm/mach-at91/arm926ejs/Makefile1
-rw-r--r--arch/arm/mach-at91/arm926ejs/sam9x7_devices.c49
2 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/arm926ejs/Makefile b/arch/arm/mach-at91/arm926ejs/Makefile
index 62c44b997e4..8a9464cdfba 100644
--- a/arch/arm/mach-at91/arm926ejs/Makefile
+++ b/arch/arm/mach-at91/arm926ejs/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_AT91SAM9G45) += at91sam9m10g45_devices.o
obj-$(CONFIG_AT91SAM9N12) += at91sam9n12_devices.o
obj-$(CONFIG_AT91SAM9X5) += at91sam9x5_devices.o
obj-$(CONFIG_SAM9X60) += sam9x60_devices.o
+obj-$(CONFIG_SAM9X7) += sam9x7_devices.o
obj-y += clock.o
obj-y += cpu.o
ifndef CONFIG_$(PHASE_)SYSRESET
diff --git a/arch/arm/mach-at91/arm926ejs/sam9x7_devices.c b/arch/arm/mach-at91/arm926ejs/sam9x7_devices.c
new file mode 100644
index 00000000000..c65764a3de4
--- /dev/null
+++ b/arch/arm/mach-at91/arm926ejs/sam9x7_devices.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2025 Microchip Technology Inc. and its subsidiaries
+ */
+
+#include <asm/arch/at91_common.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/io.h>
+
+unsigned int get_chip_id(void)
+{
+ /* The 0x40 is the offset of cidr in DBGU */
+ return readl(ATMEL_BASE_DBGU + 0x40);
+}
+
+unsigned int get_extension_chip_id(void)
+{
+ /* The 0x44 is the offset of exid in DBGU */
+ return readl(ATMEL_BASE_DBGU + 0x44);
+}
+
+char *get_cpu_name(void)
+{
+ unsigned int extension_id = get_extension_chip_id();
+
+ if (cpu_is_sam9x7()) {
+ switch (extension_id) {
+ case ARCH_EXID_SAM9X70:
+ return "SAM9X70";
+ case ARCH_EXID_SAM9X72:
+ return "SAM9X72";
+ case ARCH_EXID_SAM9X75:
+ return "SAM9X75";
+ case ARCH_EXID_SAM9X75_D1M:
+ return "SAM9X75 16MB DDR2 SiP";
+ case ARCH_EXID_SAM9X75_D5M:
+ return "SAM9X75 64MB DDR2 SiP";
+ case ARCH_EXID_SAM9X75_D1G:
+ return "SAM9X75 125MB DDR3L SiP";
+ case ARCH_EXID_SAM9X75_D2G:
+ return "SAM9X75 250MB DDR3L SiP";
+ default:
+ return "Unknown CPU type";
+ }
+ } else {
+ return "Unknown CPU type";
+ }
+}