arm: armada-xp: Add basic support for the maxBCM board
[oweals/u-boot.git] / board / maxbcm / maxbcm.c
diff --git a/board/maxbcm/maxbcm.c b/board/maxbcm/maxbcm.c
new file mode 100644 (file)
index 0000000..7fc83ee
--- /dev/null
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2014 Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <linux/mbus.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* Base addresses for the external device chip selects */
+#define DEV_CS0_BASE           0xe0000000
+#define DEV_CS1_BASE           0xe1000000
+#define DEV_CS2_BASE           0xe2000000
+#define DEV_CS3_BASE           0xe3000000
+
+/* Needed for dynamic (board-specific) mbus configuration */
+extern struct mvebu_mbus_state mbus_state;
+
+int board_early_init_f(void)
+{
+       /*
+        * Don't configure MPP (pin multiplexing) and GPIO here,
+        * its already done in bin_hdr
+        */
+
+       /*
+        * Setup some board specific mbus address windows
+        */
+       mbus_dt_setup_win(&mbus_state, DEV_CS0_BASE, 16 << 20,
+                         CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_DEV_CS0);
+       mbus_dt_setup_win(&mbus_state, DEV_CS1_BASE, 16 << 20,
+                         CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_DEV_CS1);
+       mbus_dt_setup_win(&mbus_state, DEV_CS2_BASE, 16 << 20,
+                         CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_DEV_CS2);
+       mbus_dt_setup_win(&mbus_state, DEV_CS3_BASE, 16 << 20,
+                         CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_DEV_CS3);
+
+       return 0;
+}
+
+int board_init(void)
+{
+       /* adress of boot parameters */
+       gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+
+       return 0;
+}
+
+int checkboard(void)
+{
+       puts("Board: maxBCM\n");
+
+       return 0;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+/* Configure and enable MV88E6185 switch */
+void reset_phy(void)
+{
+       u16 devadr = CONFIG_PHY_BASE_ADDR;
+       char *name = "neta0";
+       u16 reg;
+
+       if (miiphy_set_current_dev(name))
+               return;
+
+       /* todo: fill this with the real setup / config code */
+
+       printf("88E6185 Initialized on %s\n", name);
+}
+#endif /* CONFIG_RESET_PHY_R */