[U-Boot] [PATCH] ColdFire: Add M5208EVB and MCF520x CPU support

TsiChung Liew tsicliew at gmail.com
Wed Jul 8 09:45:17 CEST 2009


Signed-off-by: TsiChung Liew <tsicliew at gmail.com>
---
 MAKEALL                               |    1 +
 Makefile                              |    3 +
 board/freescale/m5208evbe/Makefile    |   44 ++++
 board/freescale/m5208evbe/config.mk   |   25 +++
 board/freescale/m5208evbe/m5208evbe.c |   94 +++++++++
 board/freescale/m5208evbe/u-boot.lds  |  142 +++++++++++++
 cpu/mcf52x2/config.mk                 |    4 +
 cpu/mcf52x2/cpu.c                     |   66 ++++++
 cpu/mcf52x2/cpu_init.c                |   89 ++++++++
 cpu/mcf52x2/interrupts.c              |   10 +-
 cpu/mcf52x2/speed.c                   |   13 +-
 cpu/mcf52x2/start.S                   |   33 +++-
 include/asm-m68k/immap.h              |   29 +++
 include/asm-m68k/immap_520x.h         |  212 +++++++++++++++++++
 include/asm-m68k/m520x.h              |  358 +++++++++++++++++++++++++++++++++
 include/configs/M5208EVBE.h           |  223 ++++++++++++++++++++
 16 files changed, 1331 insertions(+), 15 deletions(-)
 create mode 100644 board/freescale/m5208evbe/Makefile
 create mode 100644 board/freescale/m5208evbe/config.mk
 create mode 100644 board/freescale/m5208evbe/m5208evbe.c
 create mode 100644 board/freescale/m5208evbe/u-boot.lds
 create mode 100644 include/asm-m68k/immap_520x.h
 create mode 100644 include/asm-m68k/m520x.h
 create mode 100644 include/configs/M5208EVBE.h

diff --git a/MAKEALL b/MAKEALL
index 57dd425..09a2430 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -752,6 +752,7 @@ LIST_coldfire="			\
 	EB+MCF-EV123		\
 	EB+MCF-EV123_internal	\
 	idmr			\
+	M5208EVBE		\
 	M52277EVB		\
 	M5235EVB		\
 	M5249EVB		\
diff --git a/Makefile b/Makefile
index 19e40f2..3d00823 100644
--- a/Makefile
+++ b/Makefile
@@ -1971,6 +1971,9 @@ ZPC1900_config: unconfig
 ## Coldfire
 #########################################################################
 
+M5208EVBE_config :		unconfig
+	@$(MKCONFIG) $(@:_config=) m68k mcf52x2 m5208evbe freescale
+
 M52277EVB_config \
 M52277EVB_spansion_config \
 M52277EVB_stmicro_config :	unconfig
diff --git a/board/freescale/m5208evbe/Makefile b/board/freescale/m5208evbe/Makefile
new file mode 100644
index 0000000..981763d
--- /dev/null
+++ b/board/freescale/m5208evbe/Makefile
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd at 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/m5208evbe/config.mk b/board/freescale/m5208evbe/config.mk
new file mode 100644
index 0000000..ce014ed
--- /dev/null
+++ b/board/freescale/m5208evbe/config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn at 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 = 0
diff --git a/board/freescale/m5208evbe/m5208evbe.c b/board/freescale/m5208evbe/m5208evbe.c
new file mode 100644
index 0000000..5f99e2f
--- /dev/null
+++ b/board/freescale/m5208evbe/m5208evbe.c
@@ -0,0 +1,94 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+ *
+ * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew at 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 <config.h>
+#include <common.h>
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	puts("Board: ");
+	puts("Freescale M5208EVBe\n");
+	return 0;
+};
+
+phys_size_t initdram(int board_type)
+{
+	volatile sdram_t *sdram = (volatile 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--;
+
+	sdram->cs0 = (CONFIG_SYS_SDRAM_BASE | i);
+#ifdef CONFIG_SYS_SDRAM_BASE1
+	sdram->cs1 = (CONFIG_SYS_SDRAM_BASE | i);
+#endif
+	sdram->cfg1 = CONFIG_SYS_SDRAM_CFG1;
+	sdram->cfg2 = CONFIG_SYS_SDRAM_CFG2;
+
+	udelay(500);
+
+	/* Issue PALL */
+	sdram->ctrl = (CONFIG_SYS_SDRAM_CTRL | 2);
+	asm("nop");
+
+	/* Perform two refresh cycles */
+	sdram->ctrl = CONFIG_SYS_SDRAM_CTRL | 4;
+	sdram->ctrl = CONFIG_SYS_SDRAM_CTRL | 4;
+	asm("nop");
+
+	/* Issue LEMR */
+	sdram->mode = CONFIG_SYS_SDRAM_MODE;
+	asm("nop");
+	sdram->mode = CONFIG_SYS_SDRAM_EMOD;
+	asm("nop");
+
+	sdram->ctrl = (CONFIG_SYS_SDRAM_CTRL | 2);
+	asm("nop");
+
+	sdram->ctrl = (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000F00;
+	asm("nop");
+
+	udelay(100);
+
+	return dramsize;
+};
+
+int testdram(void)
+{
+	/* TODO: XXX XXX XXX */
+	printf("DRAM test not implemented!\n");
+
+	return (0);
+}
diff --git a/board/freescale/m5208evbe/u-boot.lds b/board/freescale/m5208evbe/u-boot.lds
new file mode 100644
index 0000000..bc9d5cd
--- /dev/null
+++ b/board/freescale/m5208evbe/u-boot.lds
@@ -0,0 +1,142 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd at 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)
+/* 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)
+    cpu/mcf52x2/libmcf52x2.a	(.text)
+    lib_m68k/libm68k.a		(.text)
+    common/dlmalloc.o		(.text)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/env_embedded.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 (NOLOAD)       :
+  {
+   _sbss = .;
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+   . = ALIGN(4);
+   _ebss = .;
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/cpu/mcf52x2/config.mk b/cpu/mcf52x2/config.mk
index 8292736..52751be 100644
--- a/cpu/mcf52x2/config.mk
+++ b/cpu/mcf52x2/config.mk
@@ -26,6 +26,7 @@
 PLATFORM_RELFLAGS += -ffixed-d7 -msep-data
 
 cfg=$(shell grep configs $(OBJTREE)/include/config.h | sed 's/.*<\(configs.*\)>/\1/')
+is5208:=$(shell grep CONFIG_M5208 $(TOPDIR)/include/$(cfg))
 is5249:=$(shell grep CONFIG_M5249 $(TOPDIR)/include/$(cfg))
 is5253:=$(shell grep CONFIG_M5253 $(TOPDIR)/include/$(cfg))
 is5271:=$(shell grep CONFIG_M5271 $(TOPDIR)/include/$(cfg))
@@ -36,6 +37,9 @@ is5282:=$(shell grep CONFIG_M5282 $(TOPDIR)/include/$(cfg))
 
 ifneq ($(findstring 4.1,$(shell $(CC) --version)),4.1)
 
+ifneq (,$(findstring CONFIG_M5208,$(is5208)))
+PLATFORM_CPPFLAGS += -mcpu=5208
+endif
 ifneq (,$(findstring CONFIG_M5249,$(is5249)))
 PLATFORM_CPPFLAGS += -mcpu=5249
 endif
diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c
index 32d6c40..2cfe631 100644
--- a/cpu/mcf52x2/cpu.c
+++ b/cpu/mcf52x2/cpu.c
@@ -34,6 +34,72 @@
 #include <asm/immap.h>
 #include <netdev.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef	CONFIG_M5208
+int do_reset(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
+{
+	volatile rcm_t *rcm = (rcm_t *)(MMAP_RCM);
+
+	udelay(1000);
+
+	rcm->rcr = RCM_RCR_SOFTRST;
+
+	/* we don't return! */
+	return 0;
+};
+
+int checkcpu(void)
+{
+	char buf1[32], buf2[32];
+
+	printf("CPU:   Freescale Coldfire MCF5208\n"
+	       "       CPU CLK %s MHz BUS CLK %s MHz\n",
+	       strmhz(buf1, gd->cpu_clk),
+	       strmhz(buf2, gd->bus_clk));
+	return 0;
+};
+
+#if defined(CONFIG_WATCHDOG)
+/* Called by macro WATCHDOG_RESET */
+void watchdog_reset(void)
+{
+	volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+	wdt->sr = 0x5555;
+	wdt->sr = 0xAAAA;
+}
+
+int watchdog_disable(void)
+{
+	volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+
+	wdt->sr = 0x5555; /* reset watchdog counteDECLARE_GLOBAL_DATA_PTR;
+r */
+	wdt->sr = 0xAAAA;
+	wdt->cr = 0;	/* disable watchdog timer */
+
+	puts("WATCHDOG:disabled\n");
+	return (0);
+}
+
+int watchdog_init(void)
+{
+	volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+
+	wdt->cr = 0;	/* disable watchdog */
+
+	/* set timeout and enable watchdog */
+	wdt->mr =
+		((CONFIG_WATCHDOG_TIMEOUT * CONFIG_SYS_HZ) / (32768 * 1000)) - 1;
+	wdt->sr = 0x5555; /* reset watchdog counter */
+	wdt->sr = 0xAAAA;
+
+	puts("WATCHDOG:enabled\n");
+	return (0);
+}
+#endif				/* #ifdef CONFIG_WATCHDOG */
+#endif				/* #ifdef CONFIG_M5208 */
+
 #ifdef  CONFIG_M5271
 /*
  * Both MCF5270 and MCF5271 are members of the MPC5271 family. Try to
diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c
index 11f70b0..7cea655 100644
--- a/cpu/mcf52x2/cpu_init.c
+++ b/cpu/mcf52x2/cpu_init.c
@@ -101,6 +101,95 @@ void init_fbcs(void)
 }
 #endif
 
+#if defined(CONFIG_M5208)
+void cpu_init_f(void)
+{
+	volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
+
+#ifndef CONFIG_WATCHDOG
+	volatile wdog_t *wdg = (wdog_t *) MMAP_WDOG;
+
+	/* Disable the watchdog if we aren't using it */
+	wdg->cr = 0;
+#endif
+
+	scm1->mpr = 0x77777777;
+	scm1->pacra = 0;
+	scm1->pacrb = 0;
+	scm1->pacrc = 0;
+	scm1->pacrd = 0;
+	scm1->pacre = 0;
+	scm1->pacrf = 0;
+
+	/* FlexBus Chipselect */
+	init_fbcs();
+
+	icache_enable();
+}
+
+/* initialize higher level parts of CPU like timers */
+int cpu_init_r(void)
+{
+	return (0);
+}
+
+void uart_port_conf(void)
+{
+	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+	/* Setup Ports: */
+	switch (CONFIG_SYS_UART_PORT) {
+	case 0:
+		gpio->par_uart &= GPIO_PAR_UART0_MASK;
+		gpio->par_uart |= (GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD);
+		break;
+	case 1:
+		gpio->par_uart &= GPIO_PAR_UART0_MASK;
+		gpio->par_uart |= (GPIO_PAR_UART_U1TXD | GPIO_PAR_UART_U1RXD);
+		break;
+	case 2:
+#ifdef CONFIG_SYS_UART2_PRI_GPIO
+		gpio->par_timer &=
+		    (GPIO_PAR_TMR_TIN0_MASK | GPIO_PAR_TMR_TIN1_MASK);
+		gpio->par_timer |=
+		    (GPIO_PAR_TMR_TIN0_U2TXD | GPIO_PAR_TMR_TIN1_U2RXD);
+#endif
+#ifdef CONFIG_SYS_UART2_ALT1_GPIO
+		gpio->par_feci2c &=
+		    (GPIO_PAR_FECI2C_MDC_MASK | GPIO_PAR_FECI2C_MDIO_MASK);
+		gpio->par_feci2c |=
+		    (GPIO_PAR_FECI2C_MDC_U2TXD | GPIO_PAR_FECI2C_MDIO_U2RXD);
+#endif
+#ifdef CONFIG_SYS_UART2_ALT1_GPIO
+		gpio->par_feci2c &=
+		    (GPIO_PAR_FECI2C_SDA_MASK | GPIO_PAR_FECI2C_SCL_MASK);
+		gpio->par_feci2c |=
+		    (GPIO_PAR_FECI2C_SDA_U2TXD | GPIO_PAR_FECI2C_SCL_U2RXD);
+#endif
+		break;
+	}
+}
+
+#if defined(CONFIG_CMD_NET)
+int fecpin_setclear(struct eth_device *dev, int setclear)
+{
+	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+	if (setclear) {
+		gpio->par_fec |=
+		    GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC;
+		gpio->par_feci2c |=
+		    GPIO_PAR_FECI2C_MDC_MDC | GPIO_PAR_FECI2C_MDIO_MDIO;
+	} else {
+		gpio->par_fec &=
+		    (GPIO_PAR_FEC_7W_MASK & GPIO_PAR_FEC_MII_MASK);
+		gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII_MASK;
+	}
+	return 0;
+}
+#endif				/* CONFIG_CMD_NET */
+#endif				/* CONFIG_M5208 */
+
 #if defined(CONFIG_M5253)
 /*
  * Breath some life into the CPU...
diff --git a/cpu/mcf52x2/interrupts.c b/cpu/mcf52x2/interrupts.c
index 0181e4b..675995c 100644
--- a/cpu/mcf52x2/interrupts.c
+++ b/cpu/mcf52x2/interrupts.c
@@ -59,13 +59,19 @@ void dtimer_intr_setup(void)
 #endif				/* CONFIG_MCFTMR */
 #endif				/* CONFIG_M5272 */
 
-#if defined(CONFIG_M5282) || defined(CONFIG_M5271) || defined(CONFIG_M5275)
+#if defined(CONFIG_M5208) || defined(CONFIG_M5282) || \
+    defined(CONFIG_M5271) || defined(CONFIG_M5275)
 int interrupt_init(void)
 {
 	volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
 
 	/* Make sure all interrupts are disabled */
-	intp->imrl0 |= 0x1;
+#if defined(CONFIG_M5208)
+	intp->imrl0 = 0xFFFFFFFF;
+	intp->imrh0 = 0xFFFFFFFF;
+#else
+	intp->imrl0 |= 0x1;
+#endif
 
 	enable_interrupts();
 	return 0;
diff --git a/cpu/mcf52x2/speed.c b/cpu/mcf52x2/speed.c
index c93a518..b485e1c 100644
--- a/cpu/mcf52x2/speed.c
+++ b/cpu/mcf52x2/speed.c
@@ -30,11 +30,16 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-/*
- * get_clocks() fills in gd->cpu_clock and gd->bus_clk
- */
+/* get_clocks() fills in gd->cpu_clock and gd->bus_clk */
 int get_clocks (void)
 {
+#if defined(CONFIG_M5208)
+	volatile pll_t *pll = (pll_t *) MMAP_PLL;
+
+	pll->odr = CONFIG_SYS_PLL_ODR;
+	pll->fdr = CONFIG_SYS_PLL_FDR;
+#endif
+
 #if defined(CONFIG_M5249) || defined(CONFIG_M5253)
 	volatile unsigned long cpll = mbar2_readLong(MCFSIM_PLLCR);
 	unsigned long pllcr;
@@ -77,7 +82,7 @@ int get_clocks (void)
 #endif
 
 	gd->cpu_clk = CONFIG_SYS_CLK;
-#if defined(CONFIG_M5249) || defined(CONFIG_M5253) || \
+#if defined(CONFIG_M5208) || defined(CONFIG_M5249) || defined(CONFIG_M5253) || \
     defined(CONFIG_M5271) || defined(CONFIG_M5275)
 	gd->bus_clk = gd->cpu_clk / 2;
 #else
diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S
index ba6b884..0dd4de5 100644
--- a/cpu/mcf52x2/start.S
+++ b/cpu/mcf52x2/start.S
@@ -120,6 +120,12 @@ _start:
 	nop
 	move.w #0x2700,%sr
 
+#if defined(CONFIG_M5208)
+	/* Initialize RAMBAR: locate SRAM and validate it */
+	move.l	#(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0
+	movec	%d0, %RAMBAR1
+#endif
+
 #if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5253)
 	move.l	#(CONFIG_SYS_MBAR + 1), %d0		/* set MBAR address + valid flag */
 	move.c	%d0, %MBAR
@@ -195,15 +201,6 @@ _after_flashbar_copy:
 	movec	%d0, %RAMBAR1
 #endif
 
-#if 0
-	/* invalidate and disable cache */
-	move.l	#0x01000000, %d0		/* Invalidate cache cmd */
-	movec	%d0, %CACR			/* Invalidate cache */
-	move.l	#0, %d0
-	movec	%d0, %ACR0
-	movec	%d0, %ACR1
-#endif
-
 	/* set stackpointer to end of internal ram to get some stackspace for the first c-code */
 	move.l	#(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp
 	clr.l %sp at -
@@ -340,6 +337,24 @@ _int_handler:
 
 /*------------------------------------------------------------------------------*/
 /* cache functions */
+#ifdef	CONFIG_M5208
+	.globl	icache_enable
+icache_enable:
+	move.l	#0x01000000, %d0		/* Invalidate cache cmd */
+	movec	%d0, %CACR			/* Invalidate cache */
+	move.l	#(CONFIG_SYS_SDRAM_BASE + 0xC000), %d0	/* Setup cache mask */
+	movec	%d0, %ACR0			/* Enable cache */
+
+	move.l	#0x80000200, %d0		/* Setup cache mask */
+	movec	%d0, %CACR			/* Enable cache */
+	nop
+
+	move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1
+	moveq	#1, %d0
+	move.l	%d0, (%a1)
+	rts
+#endif
+
 #ifdef	CONFIG_M5271
 	.globl	icache_enable
 icache_enable:
diff --git a/include/asm-m68k/immap.h b/include/asm-m68k/immap.h
index 93f730f..34b2585 100644
--- a/include/asm-m68k/immap.h
+++ b/include/asm-m68k/immap.h
@@ -26,6 +26,35 @@
 #ifndef __IMMAP_H
 #define __IMMAP_H
 
+#if defined(CONFIG_MCF520x)
+#include <asm/immap_520x.h>
+#include <asm/m520x.h>
+
+#define CONFIG_SYS_FEC0_IOBASE		(MMAP_FEC0)
+#define CONFIG_SYS_UART_BASE		(MMAP_UART0 + (CONFIG_SYS_UART_PORT * 0x4000))
+
+/* Timer */
+#ifdef CONFIG_MCFTMR
+#define CONFIG_SYS_UDELAY_BASE		(MMAP_DTMR0)
+#define CONFIG_SYS_TMR_BASE		(MMAP_DTMR1)
+#define CONFIG_SYS_TMRPND_REG		(((volatile int0_t *)(CONFIG_SYS_INTR_BASE))->iprh0)
+#define CONFIG_SYS_TMRINTR_NO		(INT0_HI_DTMR1)
+#define CONFIG_SYS_TMRINTR_MASK		(INTC_IPRH_INT33)
+#define CONFIG_SYS_TMRINTR_PEND		(CONFIG_SYS_TMRINTR_MASK)
+#define CONFIG_SYS_TMRINTR_PRI		(6)
+#define CONFIG_SYS_TIMER_PRESCALER	(((gd->bus_clk / 1000000) - 1) << 8)
+#endif
+
+#ifdef CONFIG_MCFPIT
+#define CONFIG_SYS_UDELAY_BASE		(MMAP_PIT0)
+#define CONFIG_SYS_PIT_BASE		(MMAP_PIT1)
+#define CONFIG_SYS_PIT_PRESCALE	(6)
+#endif
+
+#define CONFIG_SYS_INTR_BASE		(MMAP_INTC0)
+#define CONFIG_SYS_NUM_IRQS		(128)
+#endif				/* CONFIG_M520x */
+
 #ifdef CONFIG_M52277
 #include <asm/immap_5227x.h>
 #include <asm/m5227x.h>
diff --git a/include/asm-m68k/immap_520x.h b/include/asm-m68k/immap_520x.h
new file mode 100644
index 0000000..08bc109
--- /dev/null
+++ b/include/asm-m68k/immap_520x.h
@@ -0,0 +1,212 @@
+/*
+ * MCF520x Internal Memory Map
+ *
+ * Copyright (C) 2004-2009 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew at 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
+ */
+
+#ifndef __IMMAP_520X__
+#define __IMMAP_520X__
+
+#define MMAP_SCM1	(CONFIG_SYS_MBAR + 0x00000000)
+#define MMAP_XBS	(CONFIG_SYS_MBAR + 0x00004000)
+#define MMAP_FBCS	(CONFIG_SYS_MBAR + 0x00008000)
+#define MMAP_FEC0	(CONFIG_SYS_MBAR + 0x00030000)
+#define MMAP_SCM2	(CONFIG_SYS_MBAR + 0x00040000)
+#define MMAP_EDMA	(CONFIG_SYS_MBAR + 0x00044000)
+#define MMAP_INTC0	(CONFIG_SYS_MBAR + 0x00048000)
+#define MMAP_INTCACK	(CONFIG_SYS_MBAR + 0x00054000)
+#define MMAP_I2C	(CONFIG_SYS_MBAR + 0x00058000)
+#define MMAP_QSPI	(CONFIG_SYS_MBAR + 0x0005C000)
+#define MMAP_UART0	(CONFIG_SYS_MBAR + 0x00060000)
+#define MMAP_UART1	(CONFIG_SYS_MBAR + 0x00064000)
+#define MMAP_UART2	(CONFIG_SYS_MBAR + 0x00068000)
+#define MMAP_DTMR0	(CONFIG_SYS_MBAR + 0x00070000)
+#define MMAP_DTMR1	(CONFIG_SYS_MBAR + 0x00074000)
+#define MMAP_DTMR2	(CONFIG_SYS_MBAR + 0x00078000)
+#define MMAP_DTMR3	(CONFIG_SYS_MBAR + 0x0007C000)
+#define MMAP_PIT0	(CONFIG_SYS_MBAR + 0x00080000)
+#define MMAP_PIT1	(CONFIG_SYS_MBAR + 0x00084000)
+#define MMAP_EPORT0	(CONFIG_SYS_MBAR + 0x00088000)
+#define MMAP_WDOG	(CONFIG_SYS_MBAR + 0x0008C000)
+#define MMAP_PLL	(CONFIG_SYS_MBAR + 0x00090000)
+#define MMAP_RCM	(CONFIG_SYS_MBAR + 0x000A0000)
+#define MMAP_CCM	(CONFIG_SYS_MBAR + 0x000A0004)
+#define MMAP_GPIO	(CONFIG_SYS_MBAR + 0x000A4000)
+#define MMAP_SDRAM	(CONFIG_SYS_MBAR + 0x000A8000)
+
+#include <asm/coldfire/crossbar.h>
+#include <asm/coldfire/edma.h>
+#include <asm/coldfire/eport.h>
+#include <asm/coldfire/flexbus.h>
+#include <asm/coldfire/intctrl.h>
+#include <asm/coldfire/qspi.h>
+
+/* System Controller Module */
+typedef struct scm1 {
+	u32 mpr;		/* 0x00 Master Privilege */
+	u32 rsvd1[7];
+	u32 pacra;		/* 0x20 Peripheral Access Ctrl A */
+	u32 pacrb;		/* 0x24 Peripheral Access Ctrl B */
+	u32 pacrc;		/* 0x28 Peripheral Access Ctrl C */
+	u32 pacrd;		/* 0x2C Peripheral Access Ctrl D */
+	u32 rsvd2[4];
+	u32 pacre;		/* 0x40 Peripheral Access Ctrl E */
+	u32 pacrf;		/* 0x44 Peripheral Access Ctrl F */
+	u32 rsvd3[3];
+	u32 bmt;		/* 0x50 bus monitor */
+} scm1_t;
+
+typedef struct scm2 {
+	u8 rsvd1[19];		/* 0x00 - 0x12 */
+	u8 wcr;			/* 0x13 */
+	u16 rsvd2;		/* 0x14 - 0x15 */
+	u16 cwcr;		/* 0x16 */
+	u8 rsvd3[3];		/* 0x18 - 0x1A */
+	u8 cwsr;		/* 0x1B */
+	u8 rsvd4[3];		/* 0x1C - 0x1E */
+	u8 scmisr;		/* 0x1F */
+	u8 rsvd5[79];		/* 0x20 - 0x6F */
+	u32 cfadr;		/* 0x70 */
+	u8 rsvd7;		/* 0x74 */
+	u8 cfier;		/* 0x75 */
+	u8 cfloc;		/* 0x76 */
+	u8 cfatr;		/* 0x77 */
+	u32 rsvd8;		/* 0x78 - 0x7B */
+	u32 cfdtr;		/* 0x7C */
+} scm2_t;
+
+/* Chip configuration module */
+typedef struct rcm {
+	u8 rcr;
+	u8 rsr;
+} rcm_t;
+
+typedef struct ccm_ctrl {
+	u16 ccr;		/* 0x00 Chip Cfg */
+	u16 res1;		/* 0x02 */
+	u16 rcon;		/* 0x04 Reset Cfg */
+	u16 cir;		/* 0x06 Chip ID */
+} ccm_t;
+
+/* GPIO port */
+typedef struct gpio_ctrl {
+	/* Port Output Data */
+	u8 podr_busctl;		/* 0x00 */
+	u8 podr_be;		/* 0x01 */
+	u8 podr_cs;		/* 0x02 */
+	u8 podr_feci2c;		/* 0x03 */
+	u8 podr_qspi;		/* 0x04 */
+	u8 podr_timer;		/* 0x05 */
+	u8 podr_uart;		/* 0x06 */
+	u8 podr_fech;		/* 0x07 */
+	u8 podr_fecl;		/* 0x08 */
+	u8 res01[3];		/* 0x9 - 0x0B */
+
+	/* Port Data Direction */
+	u8 pddr_busctl;		/* 0x0C */
+	u8 pddr_be;		/* 0x0D */
+	u8 pddr_cs;		/* 0x0E */
+	u8 pddr_feci2c;		/* 0x0F */
+	u8 pddr_qspi;		/* 0x10*/
+	u8 pddr_timer;		/* 0x11 */
+	u8 pddr_uart;		/* 0x12 */
+	u8 pddr_fech;		/* 0x13 */
+	u8 pddr_fecl;		/* 0x14 */
+	u8 res02[5];		/* 0x15 - 0x19 */
+
+	/* Port Data Direction */
+	u8 ppdr_cs;		/* 0x1A */
+	u8 ppdr_feci2c;		/* 0x1B */
+	u8 ppdr_qspi;		/* 0x1C */
+	u8 ppdr_timer;		/* 0x1D */
+	u8 ppdr_uart;		/* 0x1E */
+	u8 ppdr_fech;		/* 0x1F */
+	u8 ppdr_fecl;		/* 0x20 */
+	u8 res03[3];		/* 0x21 - 0x23 */
+
+	/* Port Clear Output Data */
+	u8 pclrr_busctl;	/* 0x24 */
+	u8 pclrr_be;		/* 0x25 */
+	u8 pclrr_cs;		/* 0x26 */
+	u8 pclrr_feci2c;	/* 0x27 */
+	u8 pclrr_qspi;		/* 0x28 */
+	u8 pclrr_timer;		/* 0x29 */
+	u8 pclrr_uart;		/* 0x2A */
+	u8 pclrr_fech;		/* 0x2B */
+	u8 pclrr_fecl;		/* 0x2C */
+	u8 res04[3];		/* 0x2D - 0x2F */
+
+	/* Pin Assignment */
+	u8 par_busctl;		/* 0x30 */
+	u8 par_be;		/* 0x31 */
+	u8 par_cs;		/* 0x32 */
+	u8 par_feci2c;		/* 0x33 */
+	u8 par_qspi;		/* 0x34 */
+	u8 par_timer;		/* 0x35 */
+	u16 par_uart;		/* 0x36 */
+	u8 par_fec;		/* 0x38 */
+	u8 par_irq;		/* 0x39 */
+
+	/* Mode Select Control */
+	/* Drive Strength Control */
+	u8 mscr_fb;		/* 0x3A */
+	u8 mscr_sdram;		/* 0x3B */
+
+	u8 dscr_i2c;		/* 0x3C */
+	u8 dscr_misc;		/* 0x3D */
+	u8 dscr_fec;		/* 0x3E */
+	u8 dscr_uart;		/* 0x3F */
+	u8 dscr_qspi;		/* 0x40 */
+} gpio_t;
+
+/* SDRAM controller */
+typedef struct sdram_ctrl {
+	u32 mode;		/* 0x00 Mode/Extended Mode */
+	u32 ctrl;		/* 0x04 Ctrl */
+	u32 cfg1;		/* 0x08 Cfg 1 */
+	u32 cfg2;		/* 0x0C Cfg 2 */
+	u32 res1[64];		/* 0x10 - 0x10F */
+	u32 cs0;		/* 0x110 Chip Select 0 Cfg */
+	u32 cs1;		/* 0x114 Chip Select 1 Cfg */
+} sdram_t;
+
+/* Clock Module */
+typedef struct pll_ctrl {
+	u8 odr;			/* 0x00 Output divider */
+	u8 rsvd1;
+	u8 cr;			/* 0x02 Control */
+	u8 rsvd2;
+	u8 mdr;			/* 0x04 Modulation Divider */
+	u8 rsvd3;
+	u8 fdr;			/* 0x06 Feedback Divider */
+	u8 rsvd4;
+} pll_t;
+
+/* Watchdog registers */
+typedef struct wdog_ctrl {
+	u16 cr;			/* 0x00 Control */
+	u16 mr;			/* 0x02 Modulus */
+	u16 cntr;		/* 0x04 Count */
+	u16 sr;			/* 0x06 Service */
+} wdog_t;
+
+#endif				/* __IMMAP_520X__ */
diff --git a/include/asm-m68k/m520x.h b/include/asm-m68k/m520x.h
new file mode 100644
index 0000000..267bfd9
--- /dev/null
+++ b/include/asm-m68k/m520x.h
@@ -0,0 +1,358 @@
+/*
+ * m520x.h -- Definitions for Freescale Coldfire 520x
+ *
+ * Copyright (C) 2004-2009 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew at 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
+ */
+
+#ifndef __M520X__
+#define __M520X__
+
+/* *** System Control Module (SCM) *** */
+#define SCM_MPR_MPROT0(x)		(((x) & 0x0F) << 28)
+#define SCM_MPR_MPROT1(x)		(((x) & 0x0F) << 24)
+#define SCM_MPR_MPROT2(x)		(((x) & 0x0F) << 20)
+#define MPROT_MTR			4
+#define MPROT_MTW			2
+#define MPROT_MPL			1
+
+#define SCM_PACRA_PACR0(x)		(((x) & 0x0F) << 28)
+#define SCM_PACRA_PACR1(x)		(((x) & 0x0F) << 24)
+#define SCM_PACRA_PACR2(x)		(((x) & 0x0F) << 20)
+
+#define SCM_PACRB_PACR12(x)		(((x) & 0x0F) << 12)
+
+#define SCM_PACRC_PACR16(x)		(((x) & 0x0F) << 28)
+#define SCM_PACRC_PACR17(x)		(((x) & 0x0F) << 24)
+#define SCM_PACRC_PACR18(x)		(((x) & 0x0F) << 20)
+#define SCM_PACRC_PACR21(x)		(((x) & 0x0F) << 8)
+#define SCM_PACRC_PACR22(x)		(((x) & 0x0F) << 4)
+#define SCM_PACRC_PACR23(x)		((x) & 0x0F)
+
+#define SCM_PACRD_PACR24(x)		(((x) & 0x0F) << 28)
+#define SCM_PACRD_PACR25(x)		(((x) & 0x0F) << 24)
+#define SCM_PACRD_PACR26(x)		(((x) & 0x0F) << 20)
+#define SCM_PACRD_PACR28(x)		(((x) & 0x0F) << 12)
+#define SCM_PACRD_PACR29(x)		(((x) & 0x0F) << 8)
+#define SCM_PACRD_PACR30(x)		(((x) & 0x0F) << 4)
+#define SCM_PACRD_PACR31(x)		((x) & 0x0F)
+
+#define SCM_PACRE_PACR32(x)		(((x) & 0x0F) << 28)
+#define SCM_PACRE_PACR33(x)		(((x) & 0x0F) << 24)
+#define SCM_PACRE_PACR34(x)		(((x) & 0x0F) << 20)
+#define SCM_PACRE_PACR35(x)		(((x) & 0x0F) << 16)
+#define SCM_PACRE_PACR36(x)		(((x) & 0x0F) << 12)
+
+#define SCM_PACRF_PACR40(x)		(((x) & 0x0F) << 28)
+#define SCM_PACRF_PACR41(x)		(((x) & 0x0F) << 24)
+#define SCM_PACRF_PACR42(x)		(((x) & 0x0F) << 20)
+
+#define PACR_SP	4
+#define PACR_WP	2
+#define PACR_TP	1
+
+#define SCM_BMT_BME			(0x00000008)
+#define SCM_BMT_BMT_MASK		(0x07)
+#define SCM_BMT_BMT(x)			((x) & 0x07)
+#define SCM_BMT_BMT1024			(0x0000)
+#define SCM_BMT_BMT512			(0x0001)
+#define SCM_BMT_BMT256			(0x0002)
+#define SCM_BMT_BMT128			(0x0003)
+#define SCM_BMT_BMT64			(0x0004)
+#define SCM_BMT_BMT32			(0x0005)
+#define SCM_BMT_BMT16			(0x0006)
+#define SCM_BMT_BMT8			(0x0007)
+
+#define SCM_CWCR_RO			(0x8000)
+#define SCM_CWCR_CWR_WH			(0x0100)
+#define SCM_CWCR_CWE			(0x0080)
+#define SCM_CWRI_WINDOW			(0x0060)
+#define SCM_CWRI_RESET			(0x0040)
+#define SCM_CWRI_INT_RESET		(0x0020)
+#define SCM_CWRI_INT			(0x0000)
+#define SCM_CWCR_CWT(x)			(((x) & 0x001F))
+
+#define SCM_ISR_CFEI			(0x02)
+#define SCM_ISR_CWIC			(0x01)
+
+#define SCM_CFIER_ECFEI			(0x01)
+
+#define SCM_CFLOC_LOC			(0x80)
+
+#define SCM_CFATR_WRITE			(0x80)
+#define SCM_CFATR_SZ32			(0x20)
+#define SCM_CFATR_SZ16			(0x10)
+#define SCM_CFATR_SZ08			(0x00)
+#define SCM_CFATR_CACHE			(0x08)
+#define SCM_CFATR_MODE			(0x02)
+#define SCM_CFATR_TYPE			(0x01)
+
+/* *** Interrupt Controller (INTC) *** */
+#define INT0_LO_RSVD0			(0)
+#define INT0_LO_EPORT_F1		(1)
+#define INT0_LO_EPORT_F4		(2)
+#define INT0_LO_EPORT_F7		(3)
+#define INT1_LO_PIT0			(4)
+#define INT1_LO_PIT1			(5)
+/* 6 - 7 rsvd */
+#define INT0_LO_EDMA_00			(8)
+#define INT0_LO_EDMA_01			(9)
+#define INT0_LO_EDMA_02			(10)
+#define INT0_LO_EDMA_03			(11)
+#define INT0_LO_EDMA_04			(12)
+#define INT0_LO_EDMA_05			(13)
+#define INT0_LO_EDMA_06			(14)
+#define INT0_LO_EDMA_07			(15)
+#define INT0_LO_EDMA_08			(16)
+#define INT0_LO_EDMA_09			(17)
+#define INT0_LO_EDMA_10			(18)
+#define INT0_LO_EDMA_11			(19)
+#define INT0_LO_EDMA_12			(20)
+#define INT0_LO_EDMA_13			(21)
+#define INT0_LO_EDMA_14			(22)
+#define INT0_LO_EDMA_15			(23)
+#define INT0_LO_EDMA_ERR		(24)
+#define INT0_LO_SCM_CWIC		(25)
+#define INT0_LO_UART0			(26)
+#define INT0_LO_UART1			(27)
+#define INT0_LO_UART2			(28)
+/* 29 rsvd */
+#define INT0_LO_I2C			(30)
+#define INT0_LO_QSPI			(31)
+
+#define INT0_HI_DTMR0			(32)
+#define INT0_HI_DTMR1			(33)
+#define INT0_HI_DTMR2			(34)
+#define INT0_HI_DTMR3			(35)
+#define INT0_HI_FEC0_TXF		(36)
+#define INT0_HI_FEC0_TXB		(37)
+#define INT0_HI_FEC0_UN			(38)
+#define INT0_HI_FEC0_RL			(39)
+#define INT0_HI_FEC0_RXF		(40)
+#define INT0_HI_FEC0_RXB		(41)
+#define INT0_HI_FEC0_MII		(42)
+#define INT0_HI_FEC0_LC			(43)
+#define INT0_HI_FEC0_HBERR		(44)
+#define INT0_HI_FEC0_GRA		(45)
+#define INT0_HI_FEC0_EBERR		(46)
+#define INT0_HI_FEC0_BABT		(47)
+#define INT0_HI_FEC0_BABR		(48)
+/* 49 - 61 rsvd */
+#define INT0_HI_SCMISR_CFEI		(62)
+
+/* *** Reset Controller Module (RCM) *** */
+#define RCM_RCR_SOFTRST			(0x80)
+#define RCM_RCR_FRCRSTOUT		(0x40)
+
+#define RCM_RSR_SOFT			(0x20)
+#define RCM_RSR_WDOG			(0x10)
+#define RCM_RSR_POR			(0x08)
+#define RCM_RSR_EXT			(0x04)
+#define RCM_RSR_WDR_CORE		(0x02)
+#define RCM_RSR_LOL			(0x01)
+
+/* *** Chip Configuration Module (CCM) *** */
+#define CCM_CCR_CSC			(0x0200)
+#define CCM_CCR_OSCFREQ			(0x0080)
+#define CCM_CCR_LIMP			(0x0040)
+#define CCM_CCR_LOAD			(0x0020)
+#define CCM_CCR_BOOTPS(x)		(((x) & 0x0003) << 3)
+#define CCM_CCR_OSC_MODE		(0x0004)
+#define CCM_CCR_PLL_MODE		(0x0002)
+#define CCM_CCR_RESERVED		(0x0001)
+
+#define CCM_CIR_PIN(x)			(((x) & 0x03FF) << 6)
+#define CCM_CIR_PRN(x)			((x) & 0x003F)
+
+/* *** General Purpose I/O (GPIO) *** */
+#define GPIO_PDR_BUSCTL(x)		((x) & 0x0F)
+#define GPIO_PDR_BE(x)			((x) & 0x0F)
+#define GPIO_PDR_CS(x)			(((x) & 0x07) << 1)
+#define GPIO_PDR_FECI2C(x)		((x) & 0x0F)
+#define GPIO_PDR_QSPI(x)		((x) & 0x0F)
+#define GPIO_PDR_TIMER(x)		((x) & 0x0F)
+#define GPIO_PDR_UART(x)		((x) & 0xFF)
+#define GPIO_PDR_FECH(x)		((x) & 0xFF)
+#define GPIO_PDR_FECL(x)		((x) & 0xFF)
+
+#define GPIO_PAR_FBCTL_OE		(0x10)
+#define GPIO_PAR_FBCTL_TA		(0x08)
+#define GPIO_PAR_FBCTL_RWB		(0x04)
+#define GPIO_PAR_FBCTL_TS_MASK		(0xFC)
+#define GPIO_PAR_FBCTL_TS_TS		(0x03)
+#define GPIO_PAR_FBCTL_TS_DMA		(0x02)
+
+#define GPIO_PAR_BE3			(0x08)
+#define GPIO_PAR_BE2			(0x04)
+#define GPIO_PAR_BE1			(0x02)
+#define GPIO_PAR_BE0			(0x01)
+
+#define GPIO_PAR_CS3			(0x08)
+#define GPIO_PAR_CS2			(0x04)
+#define GPIO_PAR_CS1_MASK		(0xFC)
+#define GPIO_PAR_CS1_CS1		(0x03)
+#define GPIO_PAR_CS1_SDCS1		(0x02)
+
+#define GPIO_PAR_FECI2C_RMII_MASK	(0x0F)
+#define GPIO_PAR_FECI2C_MDC_MASK	(0x3F)
+#define GPIO_PAR_FECI2C_MDC_MDC		(0xC0)
+#define GPIO_PAR_FECI2C_MDC_SCL		(0x80)
+#define GPIO_PAR_FECI2C_MDC_U2TXD	(0x40)
+#define GPIO_PAR_FECI2C_MDIO_MASK	(0xCF)
+#define GPIO_PAR_FECI2C_MDIO_MDIO	(0x30)
+#define GPIO_PAR_FECI2C_MDIO_SDA	(0x20)
+#define GPIO_PAR_FECI2C_MDIO_U2RXD	(0x10)
+#define GPIO_PAR_FECI2C_I2C_MASK	(0xF0)
+#define GPIO_PAR_FECI2C_SCL_MASK	(0xF3)
+#define GPIO_PAR_FECI2C_SCL_SCL		(0x0C)
+#define GPIO_PAR_FECI2C_SCL_U2RXD	(0x04)
+#define GPIO_PAR_FECI2C_SDA_MASK	(0xFC)
+#define GPIO_PAR_FECI2C_SDA_SDA		(0x03)
+#define GPIO_PAR_FECI2C_SDA_U2TXD	(0x01)
+
+#define GPIO_PAR_QSPI_PCS2_MASK		(0x3F)
+#define GPIO_PAR_QSPI_PCS2_PCS2		(0xC0)
+#define GPIO_PAR_QSPI_PCS2_DACK0	(0x80)
+#define GPIO_PAR_QSPI_PCS2_U2RTS	(0x40)
+#define GPIO_PAR_QSPI_DIN_MASK		(0xCF)
+#define GPIO_PAR_QSPI_DIN_DIN		(0x30)
+#define GPIO_PAR_QSPI_DIN_DREQ0		(0x20)
+#define GPIO_PAR_QSPI_DIN_U2CTS		(0x10)
+#define GPIO_PAR_QSPI_DOUT_MASK		(0xF3)
+#define GPIO_PAR_QSPI_DOUT_DOUT		(0x0C)
+#define GPIO_PAR_QSPI_DOUT_SDA		(0x08)
+#define GPIO_PAR_QSPI_SCK_MASK		(0xFC)
+#define GPIO_PAR_QSPI_SCK_SCK		(0x03)
+#define GPIO_PAR_QSPI_SCK_SCL		(0x02)
+
+#define GPIO_PAR_TMR_TIN3(x)		(((x) & 0x03) << 6)
+#define GPIO_PAR_TMR_TIN2(x)		(((x) & 0x03) << 4)
+#define GPIO_PAR_TMR_TIN1(x)		(((x) & 0x03) << 2)
+#define GPIO_PAR_TMR_TIN0(x)		((x) & 0x03)
+#define GPIO_PAR_TMR_TIN3_MASK		(0x3F)
+#define GPIO_PAR_TMR_TIN3_TIN3		(0xC0)
+#define GPIO_PAR_TMR_TIN3_TOUT3		(0x80)
+#define GPIO_PAR_TMR_TIN3_U2CTS		(0x40)
+#define GPIO_PAR_TMR_TIN2_MASK		(0xCF)
+#define GPIO_PAR_TMR_TIN2_TIN2		(0x30)
+#define GPIO_PAR_TMR_TIN2_TOUT2		(0x20)
+#define GPIO_PAR_TMR_TIN2_U2RTS		(0x10)
+#define GPIO_PAR_TMR_TIN1_MASK		(0xF3)
+#define GPIO_PAR_TMR_TIN1_TIN1		(0x0C)
+#define GPIO_PAR_TMR_TIN1_TOUT1		(0x08)
+#define GPIO_PAR_TMR_TIN1_U2RXD		(0x04)
+#define GPIO_PAR_TMR_TIN0_MASK		(0xFC)
+#define GPIO_PAR_TMR_TIN0_TIN0		(0x03)
+#define GPIO_PAR_TMR_TIN0_TOUT0		(0x02)
+#define GPIO_PAR_TMR_TIN0_U2TXD		(0x01)
+
+#define GPIO_PAR_UART1_MASK		(0xF03F)
+#define GPIO_PAR_UART0_MASK		(0xFFC0)
+#define GPIO_PAR_UART_U1CTS_MASK	(0xF3FF)
+#define GPIO_PAR_UART_U1CTS_U1CTS	(0x0C00)
+#define GPIO_PAR_UART_U1CTS_TIN1	(0x0800)
+#define GPIO_PAR_UART_U1CTS_PCS1	(0x0400)
+#define GPIO_PAR_UART_U1RTS_MASK	(0xFCFF)
+#define GPIO_PAR_UART_U1RTS_U1RTS	(0x0300)
+#define GPIO_PAR_UART_U1RTS_TOUT1	(0x0200)
+#define GPIO_PAR_UART_U1RTS_PCS1	(0x0100)
+#define GPIO_PAR_UART_U1TXD		(0x0080)
+#define GPIO_PAR_UART_U1RXD		(0x0040)
+#define GPIO_PAR_UART_U0CTS_MASK	(0xFFCF)
+#define GPIO_PAR_UART_U0CTS_U0CTS	(0x0030)
+#define GPIO_PAR_UART_U0CTS_TIN0	(0x0020)
+#define GPIO_PAR_UART_U0CTS_PCS0	(0x0010)
+#define GPIO_PAR_UART_U0RTS_MASK	(0xFFF3)
+#define GPIO_PAR_UART_U0RTS_U0RTS	(0x000C)
+#define GPIO_PAR_UART_U0RTS_TOUT0	(0x0008)
+#define GPIO_PAR_UART_U0RTS_PCS0	(0x0004)
+#define GPIO_PAR_UART_U0TXD		(0x0002)
+#define GPIO_PAR_UART_U0RXD		(0x0001)
+
+#define GPIO_PAR_FEC_7W_MASK		(0xF3)
+#define GPIO_PAR_FEC_7W_FEC		(0x0C)
+#define GPIO_PAR_FEC_7W_U1RTS		(0x04)
+#define GPIO_PAR_FEC_MII_MASK		(0xFC)
+#define GPIO_PAR_FEC_MII_FEC		(0x03)
+#define GPIO_PAR_FEC_MII_UnCTS		(0x01)
+
+#define GPIO_PAR_IRQ_IRQ4		(0x01)
+
+#define GPIO_MSCR_FB_FBCLK(x)		(((x) & 0x03) << 6)
+#define GPIO_MSCR_FB_DUP(x)		(((x) & 0x03) << 4)
+#define GPIO_MSCR_FB_DLO(x)		(((x) & 0x03) << 2)
+#define GPIO_MSCR_FB_ADRCTL(x)		((x) & 0x03)
+#define GPIO_MSCR_FB_FBCLK_MASK		(0x3F)
+#define GPIO_MSCR_FB_DUP_MASK		(0xCF)
+#define GPIO_MSCR_FB_DLO_MASK		(0xF3)
+#define GPIO_MSCR_FB_ADRCTL_MASK	(0xFC)
+
+#define GPIO_MSCR_SDR_SDCLKB(x)		(((x) & 0x03) << 4)
+#define GPIO_MSCR_SDR_SDCLK(x)		(((x) & 0x03) << 2)
+#define GPIO_MSCR_SDR_SDRAM(x)		((x) & 0x03)
+#define GPIO_MSCR_SDR_SDCLKB_MASK	(0xCF)
+#define GPIO_MSCR_SDR_SDCLK_MASK	(0xF3)
+#define GPIO_MSCR_SDR_SDRAM_MASK	(0xFC)
+
+#define MSCR_25VDDR			(0x03)
+#define MSCR_18VDDR_FULL		(0x02)
+#define MSCR_OPENDRAIN			(0x01)
+#define MSCR_18VDDR_HALF		(0x00)
+
+#define GPIO_DSCR_I2C(x)		((x) & 0x03)
+#define GPIO_DSCR_I2C_MASK		(0xFC)
+
+#define GPIO_DSCR_MISC_DBG(x)		(((x) & 0x03) << 4)
+#define GPIO_DSCR_MISC_DBG_MASK		(0xCF)
+#define GPIO_DSCR_MISC_RSTOUT(x)	(((x) & 0x03) << 2)
+#define GPIO_DSCR_MISC_RSTOUT_MASK	(0xF3)
+#define GPIO_DSCR_MISC_TIMER(x)		((x) & 0x03)
+#define GPIO_DSCR_MISC_TIMER_MASK	(0xFC)
+
+#define GPIO_DSCR_FEC(x)		((x) & 0x03)
+#define GPIO_DSCR_FEC_MASK		(0xFC)
+
+#define GPIO_DSCR_UART_UART1(x)		(((x) & 0x03) << 4)
+#define GPIO_DSCR_UART_UART1_MASK	(0xCF)
+#define GPIO_DSCR_UART_UART0(x)		(((x) & 0x03) << 2)
+#define GPIO_DSCR_UART_UART0_MASK	(0xF3)
+#define GPIO_DSCR_UART_IRQ(x)		((x) & 0x03)
+#define GPIO_DSCR_UART_IRQ_MASK		(0xFC)
+
+#define GPIO_DSCR_QSPI(x)		((x) & 0x03)
+#define GPIO_DSCR_QSPI_MASK		(0xFC)
+
+#define DSCR_50PF			(0x03)
+#define DSCR_30PF			(0x02)
+#define DSCR_20PF			(0x01)
+#define DSCR_10PF			(0x00)
+
+/* *** Phase Locked Loop (PLL) *** */
+#define PLL_PODR_CPUDIV(x)		(((x) & 0x0F) << 4)
+#define PLL_PODR_CPUDIV_MASK		(0x0F)
+#define PLL_PODR_BUSDIV(x)		((x) & 0x0F)
+#define PLL_PODR_BUSDIV_MASK		(0xF0)
+
+#define PLL_PCR_DITHEN			(0x80)
+#define PLL_PCR_DITHDEV(x)		((x) & 0x07)
+#define PLL_PCR_DITHDEV_MASK		(0xF8)
+
+#endif				/* __M520X__ */
diff --git a/include/configs/M5208EVBE.h b/include/configs/M5208EVBE.h
new file mode 100644
index 0000000..32123d2
--- /dev/null
+++ b/include/configs/M5208EVBE.h
@@ -0,0 +1,223 @@
+/*
+ * Configuation settings for the Freescale MCF5208EVBe.
+ *
+ * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew at 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
+ */
+
+#ifndef _M5208EVBE_H
+#define _M5208EVBE_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_MCF520x		/* define processor family */
+#define CONFIG_M5208		/* define processor type */
+
+#define CONFIG_MCFUART
+#define CONFIG_SYS_UART_PORT		(0)
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600 , 19200 , 38400 , 57600, 115200 }
+
+#undef CONFIG_WATCHDOG
+#define CONFIG_WATCHDOG_TIMEOUT		5000
+
+/* Command line configuration */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_ELF
+#define CONFIG_CMD_FLASH
+#undef CONFIG_CMD_I2C
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_MISC
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_REGINFO
+
+#define CONFIG_MCFFEC
+#ifdef CONFIG_MCFFEC
+#	define CONFIG_NET_MULTI		1
+#	define CONFIG_MII		1
+#	define CONFIG_MII_INIT		1
+#	define CONFIG_SYS_DISCOVER_PHY
+#	define CONFIG_SYS_RX_ETH_BUFFER	8
+#	define CONFIG_SYS_FAULT_ECHO_LINK_DOWN
+#	define CONFIG_HAS_ETH1
+
+#	define CONFIG_SYS_FEC0_PINMUX	0
+#	define CONFIG_SYS_FEC0_MIIBASE	CONFIG_SYS_FEC0_IOBASE
+#	define MCFFEC_TOUT_LOOP		50000
+/* If CONFIG_SYS_DISCOVER_PHY is not defined - hardcoded */
+#	ifndef CONFIG_SYS_DISCOVER_PHY
+#		define FECDUPLEX	FULL
+#		define FECSPEED		_100BASET
+#	else
+#		ifndef CONFIG_SYS_FAULT_ECHO_LINK_DOWN
+#			define CONFIG_SYS_FAULT_ECHO_LINK_DOWN
+#		endif
+#	endif			/* CONFIG_SYS_DISCOVER_PHY */
+#endif
+
+/* Timer */
+#define CONFIG_MCFTMR
+#undef CONFIG_MCFPIT
+
+/* I2C */
+#define CONFIG_FSL_I2C
+#define CONFIG_HARD_I2C			/* I2C with hw support */
+#undef CONFIG_SOFT_I2C			/* I2C bit-banged */
+#define CONFIG_SYS_I2C_SPEED		80000
+#define CONFIG_SYS_I2C_SLAVE		0x7F
+#define CONFIG_SYS_I2C_OFFSET		0x58000
+#define CONFIG_SYS_IMMR			CONFIG_SYS_MBAR
+
+#define CONFIG_BOOTDELAY		1	/* autoboot after 5 seconds */
+#define CONFIG_UDP_CHECKSUM
+
+#ifdef CONFIG_MCFFEC
+#	define CONFIG_ETHADDR	00:e0:0c:bc:e5:60
+#	define CONFIG_IPADDR	192.162.1.2
+#	define CONFIG_NETMASK	255.255.255.0
+#	define CONFIG_SERVERIP	192.162.1.1
+#	define CONFIG_GATEWAYIP	192.162.1.1
+#	define CONFIG_OVERWRITE_ETHADDR_ONCE
+#endif				/* CONFIG_MCFFEC */
+
+#define CONFIG_HOSTNAME		M5208EVBe
+#define CONFIG_EXTRA_ENV_SETTINGS		\
+	"netdev=eth0\0"				\
+	"loadaddr=40010000\0"			\
+	"u-boot=u-boot.bin\0"			\
+	"load=tftp ${loadaddr) ${u-boot}\0"	\
+	"upd=run load; run prog\0"		\
+	"prog=prot off 0 3ffff;"		\
+	"era 0 3ffff;"				\
+	"cp.b ${loadaddr} 0 ${filesize};"	\
+	"save\0"				\
+	""
+
+#define CONFIG_PRAM		512	/* 512 KB */
+#define CONFIG_SYS_PROMPT	"-> "
+#define CONFIG_SYS_LONGHELP	/* undef to save memory */
+
+#ifdef CONFIG_CMD_KGDB
+#	define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
+#else
+#	define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
+#endif
+
+#define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
+#define CONFIG_SYS_MAXARGS	16		/* max number of cmd args */
+#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Arg Buf Sz */
+#define CONFIG_SYS_LOAD_ADDR	0x40010000
+
+#define CONFIG_SYS_HZ		1000
+#define CONFIG_SYS_CLK		166666666	/* CPU Core Clock */
+#define CONFIG_SYS_PLL_ODR	0x36
+#define CONFIG_SYS_PLL_FDR	0x7D
+
+#define CONFIG_SYS_MBAR		0xFC000000
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+/* Definitions for initial stack pointer and data area (in DPRAM) */
+#define CONFIG_SYS_INIT_RAM_ADDR	0x80000000
+#define CONFIG_SYS_INIT_RAM_END		0x4000	/* End of used area in internal SRAM */
+#define CONFIG_SYS_INIT_RAM_CTRL	0x221
+#define CONFIG_SYS_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
+#define CONFIG_SYS_GBL_DATA_OFFSET	((CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) - 0x10)
+#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
+
+/*
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
+ */
+#define CONFIG_SYS_SDRAM_BASE		0x40000000
+#define CONFIG_SYS_SDRAM_SIZE		64	/* SDRAM size in MB */
+#define CONFIG_SYS_SDRAM_CFG1		0x43711630
+#define CONFIG_SYS_SDRAM_CFG2		0x56670000
+#define CONFIG_SYS_SDRAM_CTRL		0xE1002000
+#define CONFIG_SYS_SDRAM_EMOD		0x80010000
+#define CONFIG_SYS_SDRAM_MODE		0x00CD0000
+
+#define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE + 0x400
+#define CONFIG_SYS_MEMTEST_END		((CONFIG_SYS_SDRAM_SIZE - 3) << 20)
+
+#define CONFIG_SYS_MONITOR_BASE		(CONFIG_SYS_FLASH_BASE + 0x400)
+#define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor */
+
+#define CONFIG_SYS_BOOTPARAMS_LEN	64*1024
+#define CONFIG_SYS_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc() */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization ??
+ */
+#define CONFIG_SYS_BOOTMAPSZ		(CONFIG_SYS_SDRAM_BASE + (CONFIG_SYS_SDRAM_SIZE << 20))
+#define CONFIG_SYS_BOOTM_LEN		(CONFIG_SYS_SDRAM_SIZE << 20)
+
+/* FLASH organization */
+#define CONFIG_SYS_FLASH_CFI
+#ifdef CONFIG_SYS_FLASH_CFI
+#	define CONFIG_FLASH_CFI_DRIVER		1
+#	define CONFIG_SYS_FLASH_SIZE		0x800000	/* Max size that the board might have */
+#	define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
+#	define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks */
+#	define CONFIG_SYS_MAX_FLASH_SECT	254	/* max number of sectors on one chip */
+#	define CONFIG_SYS_FLASH_PROTECTION	/* "Real" (hardware) sectors protection */
+#endif
+
+#define CONFIG_SYS_FLASH_BASE		CONFIG_SYS_CS0_BASE
+
+/*
+ * Configuration for environment
+ * Environment is embedded in u-boot in the second sector of the flash
+ */
+#define CONFIG_ENV_OFFSET		0x2000
+#define CONFIG_ENV_SIZE			0x1000
+#define CONFIG_ENV_SECT_SIZE		0x2000
+#define CONFIG_ENV_IS_IN_FLASH		1
+
+/* Cache Configuration */
+#define CONFIG_SYS_CACHELINE_SIZE	16
+
+/* Chipselect bank definitions */
+/*
+ * CS0 - NOR Flash
+ * CS1 - Available
+ * CS2 - Available
+ * CS3 - Available
+ * CS4 - Available
+ * CS5 - Available
+ */
+#define CONFIG_SYS_CS0_BASE		0
+#define CONFIG_SYS_CS0_MASK		0x007F0001
+#define CONFIG_SYS_CS0_CTRL		0x00001FA0
+
+#endif				/* _M5208EVBE_H */
-- 
1.5.6.4



More information about the U-Boot mailing list