board: Add uCRobotics Bubblegum-96 board support
This commit adds uCRobotics Bubblegum-96 board support. This board is
one of the 96Boards Consumer Edition platform based on Actions Semi
S900 SoC.
Features:
- Actions Semi S900 SoC (4xCortex A53, Power VR G6230 GPU)
- 2GiB RAM
- 8GiB eMMC, uSD slot
- WiFi, Bluetooth and GPS module
- 2x Host, 1x Device USB port
- HDMI
- 20-pin low speed and 40-pin high speed expanders, 6 LED, 3 buttons
U-Boot will be loaded by ATF at EL2 execution level. Relevant driver
support will be added in further commits.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
diff --git a/include/configs/bubblegum_96.h b/include/configs/bubblegum_96.h
new file mode 100644
index 0000000..a8f38a2
--- /dev/null
+++ b/include/configs/bubblegum_96.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Board configuration file for Bubblegum-96
+ *
+ * Copyright (C) 2015 Actions Semi Co., Ltd.
+ * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ *
+ */
+
+#ifndef _BUBBLEGUM_96_H_
+#define _BUGGLEGUM_96_H_
+
+/* SDRAM Definitions */
+#define CONFIG_SYS_SDRAM_BASE 0x0
+#define CONFIG_NR_DRAM_BANKS 1
+#define CONFIG_SYS_SDRAM_SIZE 0x80000000
+
+/* Generic Timer Definitions */
+#define COUNTER_FREQUENCY (24000000) /* 24MHz */
+
+#define CONFIG_SYS_MALLOC_LEN (32 * 1024 * 1024)
+
+/* Some commands use this as the default load address */
+#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7ffc0)
+
+/*
+ * This is the initial SP which is used only briefly for relocating the u-boot
+ * image to the top of SDRAM. After relocation u-boot moves the stack to the
+ * proper place.
+ */
+#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_TEXT_BASE + 0x7ff00)
+
+/* UART Definitions */
+#define CONFIG_BAUDRATE 115200
+
+#define CONFIG_ENV_SIZE 0x2000
+
+/* Console configuration */
+#define CONFIG_SYS_CBSIZE 1024 /* Console buffer size */
+#define CONFIG_SYS_MAXARGS 64
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+
+#endif