3 files changed, 185 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/board/freescale/m54451evb/Makefile b/qemu/roms/u-boot/board/freescale/m54451evb/Makefile
new file mode 100644
index 000000000..700ea2a74
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/m54451evb/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	= m54451evb.o
diff --git a/qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c b/qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c
new file mode 100644
index 000000000..d2ad42c08
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/m54451evb/m54451evb.c
@@ -0,0 +1,94 @@
+/*
+ * (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 <common.h>
+#include <spi.h>
+#include <asm/immap.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	/*
+	 * need to to:
+	 * Check serial flash size. if 2mb evb, else 8mb demo
+	 */
+	puts("Board: ");
+	puts("Freescale M54451 EVB\n");
+	return 0;
+};
+
+phys_size_t initdram(int board_type)
+{
+	u32 dramsize;
+#ifdef CONFIG_CF_SBF
+	/*
+	 * Serial Boot: The dram is already initialized in start.S
+	 * only require to return DRAM size
+	 */
+	dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
+#else
+	sdramc_t *sdram = (sdramc_t *)(MMAP_SDRAM);
+	gpio_t *gpio = (gpio_t *)(MMAP_GPIO);
+	u32 i;
+
+	dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
+
+	if ((in_be32(&sdram->sdcfg1) == CONFIG_SYS_SDRAM_CFG1) &&
+	    (in_be32(&sdram->sdcfg2) == CONFIG_SYS_SDRAM_CFG2))
+		return dramsize;
+
+	for (i = 0x13; i < 0x20; i++) {
+		if (dramsize == (1 << i))
+			break;
+	}
+	i--;
+
+	out_8(&gpio->mscr_sdram, CONFIG_SYS_SDRAM_DRV_STRENGTH);
+
+	out_be32(&sdram->sdcs0, CONFIG_SYS_SDRAM_BASE | i);
+
+	out_be32(&sdram->sdcfg1, CONFIG_SYS_SDRAM_CFG1);
+	out_be32(&sdram->sdcfg2, CONFIG_SYS_SDRAM_CFG2);
+
+	udelay(200);
+
+	/* Issue PALL */
+	out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 2);
+	__asm__("nop");
+
+	/* Perform two refresh cycles */
+	out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4);
+	__asm__("nop");
+	out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4);
+	__asm__("nop");
+
+	/* Issue LEMR */
+	out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_MODE);
+	__asm__("nop");
+	out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_MODE);
+	__asm__("nop");
+
+	out_be32(&sdram->sdcr,
+		(CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000000);
+
+	udelay(100);
+#endif
+	return (dramsize);
+};
+
+int testdram(void)
+{
+	/* TODO: XXX XXX XXX */
+	printf("DRAM test not implemented!\n");
+
+	return (0);
+}
diff --git a/qemu/roms/u-boot/board/freescale/m54451evb/u-boot.lds b/qemu/roms/u-boot/board/freescale/m54451evb/u-boot.lds
new file mode 100644
index 000000000..413ca531d
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/m54451evb/u-boot.lds
@@ -0,0 +1,83 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+OUTPUT_ARCH(m68k)
+
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  .text      :
+  {
+    arch/m68k/cpu/mcf5445x/start.o		(.text*)
+
+    *(.text*)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+     *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+  }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+
+  .reloc   :
+  {
+    __got_start = .;
+    KEEP(*(.got))
+    __got_end = .;
+    _GOT2_TABLE_ = .;
+    KEEP(*(.got2))
+    _FIXUP_TABLE_ = .;
+    KEEP(*(.fixup))
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data    :
+  {
+    *(.data*)
+    *(.sdata*)
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  . = .;
+
+  . = ALIGN(4);
+  .u_boot_list : {
+	KEEP(*(SORT(.u_boot_list*)));
+  }
+
+  . = .;
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss   (NOLOAD)    :
+  {
+   _sbss = .;
+   *(.bss*)
+   *(.sbss*)
+   *(COMMON)
+   . = ALIGN(4);
+   _ebss = .;
+  }
+  __bss_end = . ;
+  PROVIDE (end = .);
+}