Initial import of qemu-2.4.1HEADmaster

4 files changed, 195 insertions, 0 deletions

diff --git a/roms/u-boot/board/freescale/m5249evb/Makefile b/roms/u-boot/board/freescale/m5249evb/Makefile
new file mode 100644
index 00000000..4267633f
--- /dev/null
+++ b/roms/u-boot/board/freescale/m5249evb/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	= m5249evb.o
diff --git a/roms/u-boot/board/freescale/m5249evb/config.mk b/roms/u-boot/board/freescale/m5249evb/config.mk
new file mode 100644
index 00000000..1af25e15
--- /dev/null
+++ b/roms/u-boot/board/freescale/m5249evb/config.mk
@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+CONFIG_SYS_TEXT_BASE = 0xffe00000
diff --git a/roms/u-boot/board/freescale/m5249evb/m5249evb.c b/roms/u-boot/board/freescale/m5249evb/m5249evb.c
new file mode 100644
index 00000000..7ae842c3
--- /dev/null
+++ b/roms/u-boot/board/freescale/m5249evb/m5249evb.c
@@ -0,0 +1,93 @@
+/*
+ * (C) Copyright 2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <malloc.h>
+#include <asm/immap.h>
+
+int checkboard (void) {
+	ulong val;
+	uchar val8;
+
+	puts ("Board: ");
+	puts("Freescale M5249EVB");
+	val8 = ((uchar)~((uchar)mbar2_readLong(MCFSIM_GPIO1_READ) >> 4)) & 0xf;
+	printf(" (Switch=%1X)\n", val8);
+
+	/*
+	 * Set LED on
+	 */
+	val = mbar2_readLong(MCFSIM_GPIO1_OUT) & ~CONFIG_SYS_GPIO1_LED;
+	mbar2_writeLong(MCFSIM_GPIO1_OUT, val);   /* Set LED on */
+
+	return 0;
+};
+
+
+phys_size_t initdram (int board_type) {
+	unsigned long	junk = 0xa5a59696;
+
+	/*
+	 *  Note:
+	 *	RC = ([(RefreshTime/#rows) / (1/BusClk)] / 16) - 1
+	 */
+
+#ifdef CONFIG_SYS_FAST_CLK
+	/*
+	 * Busclk=70MHz, RefreshTime=64ms, #rows=4096 (4K)
+	 * SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=39
+	 */
+	mbar_writeShort(MCFSIM_DCR, 0x8239);
+#elif CONFIG_SYS_PLL_BYPASS
+	/*
+	 * Busclk=5.6448MHz, RefreshTime=64ms, #rows=8192 (8K)
+	 * SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=02
+	 */
+	mbar_writeShort(MCFSIM_DCR, 0x8202);
+#else
+	/*
+	 * Busclk=36MHz, RefreshTime=64ms, #rows=4096 (4K)
+	 * SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=22 (562 bus clock cycles)
+	 */
+	mbar_writeShort(MCFSIM_DCR, 0x8222);
+#endif
+
+	/*
+	 * SDRAM starts at 0x0000_0000, CASL=10, CBM=010, PS=10 (16bit port),
+	 * PM=1 (continuous page mode)
+	 */
+
+	/* RE=0 (keep auto-refresh disabled while setting up registers) */
+	mbar_writeLong(MCFSIM_DACR0, 0x00003324);
+
+	/* BAM=007c (bits 22,21 are bank selects; 256kB blocks) */
+	mbar_writeLong(MCFSIM_DMR0, 0x01fc0001);
+
+	/** Precharge sequence **/
+	mbar_writeLong(MCFSIM_DACR0, 0x0000332c); /* Set DACR0[IP] (bit 3) */
+	*((volatile unsigned long *) 0x00) = junk; /* write to a memory location to init. precharge */
+	udelay(0x10); /* Allow several Precharge cycles */
+
+	/** Refresh Sequence **/
+	mbar_writeLong(MCFSIM_DACR0, 0x0000b324); /* Enable the refresh bit, DACR0[RE] (bit 15) */
+	udelay(0x7d0); /* Allow gobs of refresh cycles */
+
+	/** Mode Register initialization **/
+	mbar_writeLong(MCFSIM_DACR0, 0x0000b364);  /* Enable DACR0[IMRS] (bit 6); RE remains enabled */
+	*((volatile unsigned long *) 0x800) = junk; /* Access RAM to initialize the mode register */
+
+	return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
+};
+
+
+int testdram (void) {
+	/* TODO: XXX XXX XXX */
+	printf ("DRAM test not implemented!\n");
+
+	return (0);
+}
diff --git a/roms/u-boot/board/freescale/m5249evb/u-boot.lds b/roms/u-boot/board/freescale/m5249evb/u-boot.lds
new file mode 100644
index 00000000..e91b7e1e
--- /dev/null
+++ b/roms/u-boot/board/freescale/m5249evb/u-boot.lds
@@ -0,0 +1,85 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+OUTPUT_ARCH(m68k)
+
+SECTIONS
+{
+  .text      :
+  {
+    arch/m68k/cpu/mcf52x2/start.o	(.text*)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/env_embedded.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 = .);
+}