feat(tc): allow Android load and Boot From RAM
This commit introduces the below changes:
* Define TC_FPGA_ANDROID_IMG_IN_RAM config variable
* Add phram node in dts.
* Memory configuration for loading Android image
Change-Id: I5ec82646cb2993e7b5976e702ebcc8efa51d1128
Signed-off-by: Vishnu Satheesh <vishnu.satheesh@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
Signed-off-by: Icen Zeyada <Icen.Zeyada2@arm.com>
diff --git a/fdts/tc-fpga.dtsi b/fdts/tc-fpga.dtsi
index 08b9ae5..c761808 100644
--- a/fdts/tc-fpga.dtsi
+++ b/fdts/tc-fpga.dtsi
@@ -25,6 +25,19 @@
stdout-path = "serial0:38400n8";
};
+#if TC_FPGA_ANDROID_IMG_IN_RAM
+ reserved-memory {
+ phram@0x880000000 {
+ /*
+ * starting from 0x8_8000_0000 reserve some memory
+ * android image will be side loaded to this location
+ */
+ reg = <0x8 0x80000000 HI(ANDROID_FS_SIZE) LO(ANDROID_FS_SIZE)>
+ no-map;
+ };
+ };
+#endif /* TC_FPGA_ANDROID_IMG_IN_RAM */
+
ethernet: ethernet@ETHERNET_ADDR {
compatible = "smsc,lan9115";
phy-mode = "mii";
diff --git a/plat/arm/board/tc/include/platform_def.h b/plat/arm/board/tc/include/platform_def.h
index 92afb62..abe602a 100644
--- a/plat/arm/board/tc/include/platform_def.h
+++ b/plat/arm/board/tc/include/platform_def.h
@@ -242,10 +242,28 @@
#if TARGET_PLATFORM <= 2
#define PLAT_ARM_DRAM2_BASE ULL(0x8080000000)
+#define PLAT_ARM_DRAM2_SIZE ULL(0x180000000)
#elif TARGET_PLATFORM >= 3
-#define PLAT_ARM_DRAM2_BASE ULL(0x880000000)
-#endif /* TARGET_PLATFORM >= 3 */
-#define PLAT_ARM_DRAM2_SIZE ULL(0x380000000)
+
+#if TC_FPGA_ANDROID_IMG_IN_RAM
+/* 10GB reserved for system+userdata+vendor images */
+#define SYSTEM_IMAGE_SIZE 0xC0000000 /* 3GB */
+#define USERDATA_IMAGE_SIZE 0x140000000 /* 5GB */
+#define VENDOR_IMAGE_SIZE 0x20000000 /* 512MB */
+#define RESERVE_IMAGE_SIZE 0x60000000 /* 1.5GB */
+#define ANDROID_FS_SIZE (SYSTEM_IMAGE_SIZE + \
+ USERDATA_IMAGE_SIZE + \
+ VENDOR_IMAGE_SIZE + RESERVE_IMAGE_SIZE)
+
+#define PLAT_ARM_DRAM2_BASE ULL(0x880000000) + ANDROID_FS_SIZE
+#define PLAT_ARM_DRAM2_SIZE ULL(0x380000000) - ANDROID_FS_SIZE
+#else
+#define PLAT_ARM_DRAM2_BASE ULL(0x880000000)
+#define PLAT_ARM_DRAM2_SIZE ULL(0x380000000)
+#endif /* TC_FPGA_ANDROID_IMG_IN_RAM */
+
+#endif /* TARGET_VERSION >= 3 */
+
#define PLAT_ARM_DRAM2_END (PLAT_ARM_DRAM2_BASE + PLAT_ARM_DRAM2_SIZE - 1ULL)
#define TC_NS_MTE_SIZE (256 * SZ_1M)
diff --git a/plat/arm/board/tc/platform.mk b/plat/arm/board/tc/platform.mk
index 9cd3011..0958828 100644
--- a/plat/arm/board/tc/platform.mk
+++ b/plat/arm/board/tc/platform.mk
@@ -77,12 +77,16 @@
$(error TARGET_FLAVOUR must be fvp or fpga)
endif
+# Support for loading Android Image to DRAM
+TC_FPGA_ANDROID_IMG_IN_RAM := 0
+
$(eval $(call add_defines, \
TARGET_PLATFORM \
TARGET_FLAVOUR_$(call uppercase,${TARGET_FLAVOUR}) \
TC_RESOLUTION_$(call uppercase,${TC_RESOLUTION}) \
TC_DPU_USE_SCMI_CLK \
TC_SCMI_PD_CTRL_EN \
+ TC_FPGA_ANDROID_IMG_IN_RAM \
))
CSS_LOAD_SCP_IMAGES := 1