ColdFire: Add M5253EVBE platform for MCF52x2

Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>

4 files changed, 346 insertions, 0 deletions

diff --git a/board/freescale/m5253evbe/Makefile b/board/freescale/m5253evbe/Makefile
new file mode 100644
index 0000000..424ab1c
--- /dev/null
+++ b/board/freescale/m5253evbe/Makefile
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	= $(BOARD).o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/freescale/m5253evbe/config.mk b/board/freescale/m5253evbe/config.mk
new file mode 100644
index 0000000..ccb2cf7
--- /dev/null
+++ b/board/freescale/m5253evbe/config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.com>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+TEXT_BASE = 0xffe00000
diff --git a/board/freescale/m5253evbe/m5253evbe.c b/board/freescale/m5253evbe/m5253evbe.c
new file mode 100644
index 0000000..67fab5b
--- /dev/null
+++ b/board/freescale/m5253evbe/m5253evbe.c
@@ -0,0 +1,133 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Hayden Fraser (Hayden.Fraser@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/immap.h>
+
+int checkboard(void)
+{
+	puts("Board: ");
+	puts("Freescale MCF5253 EVBE\n");
+	return 0;
+};
+
+long int initdram(int board_type)
+{
+	int i;
+
+	/*
+	 * Check to see if the SDRAM has already been initialized
+	 * by a run control tool
+	 */
+	if (!(mbar_readLong(MCFSIM_DCR) & 0x8000)) {
+		u32 RC, dramsize;
+
+		RC = (CFG_CLK / 1000000) >> 1;
+		RC = (RC * 15) >> 4;
+
+		/* Initialize DRAM Control Register: DCR */
+		mbar_writeShort(MCFSIM_DCR, (0x8400 | RC));
+
+		mbar_writeLong(MCFSIM_DACR0, 0x00003224);
+
+		/* Initialize DMR0 */
+		dramsize = ((CFG_SDRAM_SIZE << 20) - 1) & 0xFFFC0000;
+		mbar_writeLong(MCFSIM_DMR0, dramsize | 1);
+
+		mbar_writeLong(MCFSIM_DACR0, 0x0000322c);
+
+		/* Write to this block to initiate precharge */
+		*(u32 *) (CFG_SDRAM_BASE) = 0xa5a5a5a5;
+
+		/* Set RE bit in DACR */
+		mbar_writeLong(MCFSIM_DACR0,
+			       mbar_readLong(MCFSIM_DACR0) | 0x8000);
+
+		/* Wait for at least 8 auto refresh cycles to occur */
+		udelay(500);
+
+		/* Finish the configuration by issuing the MRS */
+		mbar_writeLong(MCFSIM_DACR0,
+			       mbar_readLong(MCFSIM_DACR0) | 0x0040);
+
+		*(u32 *) (CFG_SDRAM_BASE + 0x800) = 0xa5a5a5a5;
+	}
+
+	return CFG_SDRAM_SIZE * 1024 * 1024;
+}
+
+int testdram(void)
+{
+	/* TODO: XXX XXX XXX */
+	printf("DRAM test not implemented!\n");
+
+	return (0);
+}
+
+#ifdef CONFIG_CMD_IDE
+#include <ata.h>
+int ide_preinit(void)
+{
+	return (0);
+}
+
+void ide_set_reset(int idereset)
+{
+	volatile atac_t *ata = (atac_t *) CFG_ATA_BASE_ADDR;
+	long period;
+	/*  t1,  t2,  t3,  t4,  t5,  t6,  t9, tRD,  tA */
+	int piotms[5][9] = { {70, 165, 60, 30, 50, 5, 20, 0, 35},	/* PIO 0 */
+	{50, 125, 45, 20, 35, 5, 15, 0, 35},	/* PIO 1 */
+	{30, 100, 30, 15, 20, 5, 10, 0, 35},	/* PIO 2 */
+	{30, 80, 30, 10, 20, 5, 10, 0, 35},	/* PIO 3 */
+	{25, 70, 20, 10, 20, 5, 10, 0, 35}	/* PIO 4 */
+	};
+
+	if (idereset) {
+		ata->cr = 0;	/* control reset */
+		udelay(100);
+	} else {
+		mbar2_writeLong(CIM_MISCCR, CIM_MISCCR_CPUEND);
+
+#define CALC_TIMING(t) (t + period - 1) / period
+		period = 1000000000 / (CFG_CLK / 2);	/* period in ns */
+
+		/*ata->ton = CALC_TIMING (180); */
+		ata->t1 = CALC_TIMING(piotms[2][0]);
+		ata->t2w = CALC_TIMING(piotms[2][1]);
+		ata->t2r = CALC_TIMING(piotms[2][1]);
+		ata->ta = CALC_TIMING(piotms[2][8]);
+		ata->trd = CALC_TIMING(piotms[2][7]);
+		ata->t4 = CALC_TIMING(piotms[2][3]);
+		ata->t9 = CALC_TIMING(piotms[2][6]);
+
+		ata->cr = 0x40;	/* IORDY enable */
+		udelay(2000);
+		ata->cr |= 0x01;	/* IORDY enable */
+	}
+}
+#endif				/* CONFIG_CMD_IDE */
+
diff --git a/board/freescale/m5253evbe/u-boot.lds b/board/freescale/m5253evbe/u-boot.lds
new file mode 100644
index 0000000..e2fd070
--- /dev/null
+++ b/board/freescale/m5253evbe/u-boot.lds
@@ -0,0 +1,144 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(m68k)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .interp : { *(.interp) }
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .rel.text      : { *(.rel.text)	}
+  .rela.text     : { *(.rela.text) 	}
+  .rel.data      : { *(.rel.data)	}
+  .rela.data     : { *(.rela.data) 	}
+  .rel.rodata    : { *(.rel.rodata) 	}
+  .rela.rodata   : { *(.rela.rodata) 	}
+  .rel.got       : { *(.rel.got)	}
+  .rela.got      : { *(.rela.got)	}
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.bss       : { *(.rel.bss)	}
+  .rela.bss      : { *(.rela.bss)	}
+  .rel.plt       : { *(.rel.plt)	}
+  .rela.plt      : { *(.rela.plt)	}
+  .init          : { *(.init)		}
+  .plt : { *(.plt) }
+  .text      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+
+    cpu/mcf52x2/start.o		(.text)
+    lib_m68k/traps.o		(.text)
+    cpu/mcf52x2/interrupts.o	(.text)
+    common/dlmalloc.o		(.text)
+    lib_generic/zlib.o		(.text)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/environment.o	(.text)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+
+  .reloc   :
+  {
+    __got_start = .;
+    *(.got)
+    __got_end = .;
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  . = .;
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+
+  . = .;
+  __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       :
+  {
+   _sbss = .;
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+   . = ALIGN(4);
+   _ebss = .;
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}