Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / freescale / m53017evb / m53017evb.c

diff --git a/qemu/roms/u-boot/board/freescale/m53017evb/m53017evb.c b/qemu/roms/u-boot/board/freescale/m53017evb/m53017evb.c
new file mode 100644 (file)
index 0000000..dbe886b
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/m53017evb/m53017evb.c
@@ -0,0 +1,80 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2008, 2012 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <config.h>
+#include <common.h>
+#include <asm/immap.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+       puts("Board: ");
+       puts("Freescale M53017EVB\n");
+       return 0;
+};
+
+phys_size_t initdram(int board_type)
+{
+       sdram_t *sdram = (sdram_t *)(MMAP_SDRAM);
+       u32 dramsize, i;
+
+       dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
+
+       for (i = 0x13; i < 0x20; i++) {
+               if (dramsize == (1 << i))
+                       break;
+       }
+       i--;
+
+       out_be32(&sdram->cs0, CONFIG_SYS_SDRAM_BASE | i);
+#ifdef CONFIG_SYS_SDRAM_BASE1
+       out_be32(&sdram->cs1, CONFIG_SYS_SDRAM_BASE | i);
+#endif
+       out_be32(&sdram->cfg1, CONFIG_SYS_SDRAM_CFG1);
+       out_be32(&sdram->cfg2, CONFIG_SYS_SDRAM_CFG2);
+
+       udelay(500);
+
+       /* Issue PALL */
+       out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
+       asm("nop");
+
+       /* Perform two refresh cycles */
+       out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
+       out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
+       asm("nop");
+
+       /* Issue LEMR */
+       out_be32(&sdram->mode, CONFIG_SYS_SDRAM_MODE);
+       asm("nop");
+       out_be32(&sdram->mode, CONFIG_SYS_SDRAM_EMOD);
+       asm("nop");
+
+       out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
+       asm("nop");
+
+       out_be32(&sdram->ctrl,
+               (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000c00);
+       asm("nop");
+
+       udelay(100);
+
+       return dramsize;
+};
+
+int testdram(void)
+{
+       /* TODO: XXX XXX XXX */
+       printf("DRAM test not implemented!\n");
+
+       return (0);
+}