ColdFire: Add M54455EVB for MCF5445x

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

8 files changed, 1127 insertions, 0 deletions

diff --git a/cpu/mcf5445x/Makefile b/cpu/mcf5445x/Makefile
new file mode 100644
index 0000000..26ec298
--- /dev/null
+++ b/cpu/mcf5445x/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2000-2004
+# 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 $(TOPDIR)/config.mk
+
+# CFLAGS += -DET_DEBUG
+
+LIB	= lib$(CPU).a
+
+START	= start.o
+COBJS	= cpu.o speed.o cpu_init.o interrupts.o pci.o
+
+SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+START	:= $(addprefix $(obj),$(START))
+
+all:	$(obj).depend $(START) $(LIB)
+
+$(LIB):	$(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/cpu/mcf5445x/config.mk b/cpu/mcf5445x/config.mk
new file mode 100644
index 0000000..d0c72fb
--- /dev/null
+++ b/cpu/mcf5445x/config.mk
@@ -0,0 +1,27 @@
+#
+# (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
+#
+# (C) Copyright 2000-2004
+# 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
+#
+
+PLATFORM_RELFLAGS += -ffixed-d7 -msep-data
+PLATFORM_CPPFLAGS += -m5407 -fPIC
diff --git a/cpu/mcf5445x/cpu.c b/cpu/mcf5445x/cpu.c
new file mode 100644
index 0000000..e601b89
--- /dev/null
+++ b/cpu/mcf5445x/cpu.c
@@ -0,0 +1,97 @@
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@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 <watchdog.h>
+#include <command.h>
+
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+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)
+{
+	volatile ccm_t *ccm = (ccm_t *) MMAP_CCM;
+	u16 msk;
+	u16 id = 0;
+	u8 ver;
+
+	puts("CPU:   ");
+	msk = (ccm->cir >> 6);
+	ver = (ccm->cir & 0x003f);
+	switch (msk) {
+	case 0x48:
+		id = 54455;
+		break;
+	case 0x49:
+		id = 54454;
+		break;
+	case 0x4a:
+		id = 54453;
+		break;
+	case 0x4b:
+		id = 54452;
+		break;
+	case 0x4d:
+		id = 54451;
+		break;
+	case 0x4f:
+		id = 54450;
+		break;
+	}
+
+	if (id) {
+		printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
+		       ver);
+		printf("       CPU CLK %d Mhz BUS CLK %d Mhz FLB CLK %d Mhz\n",
+		       (int)(gd->cpu_clk / 1000000),
+		       (int)(gd->bus_clk / 1000000),
+		       (int)(gd->flb_clk / 1000000));
+#ifdef CONFIG_PCI
+		printf("       PCI CLK %d Mhz INP CLK %d Mhz VCO CLK %d Mhz\n",
+		       (int)(gd->pci_clk / 1000000),
+		       (int)(gd->inp_clk / 1000000),
+		       (int)(gd->vco_clk / 1000000));
+#else
+		printf("       INP CLK %d Mhz VCO CLK %d Mhz\n",
+		       (int)(gd->inp_clk / 1000000),
+		       (int)(gd->vco_clk / 1000000));
+#endif
+	}
+
+	return 0;
+}
diff --git a/cpu/mcf5445x/cpu_init.c b/cpu/mcf5445x/cpu_init.c
new file mode 100644
index 0000000..6622eee
--- /dev/null
+++ b/cpu/mcf5445x/cpu_init.c
@@ -0,0 +1,140 @@
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@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 <watchdog.h>
+
+#include <asm/immap.h>
+#include <asm/rtc.h>
+
+/*
+ * Breath some life into the CPU...
+ *
+ * Set up the memory map,
+ * initialize a bunch of registers,
+ * initialize the UPM's
+ */
+void cpu_init_f(void)
+{
+	volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
+	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+	volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+
+	scm1->mpr = 0x77777777;
+	scm1->pacra = 0;
+	scm1->pacrb = 0;
+	scm1->pacrc = 0;
+	scm1->pacrd = 0;
+	scm1->pacre = 0;
+	scm1->pacrf = 0;
+	scm1->pacrg = 0;
+
+	/* FlexBus */
+	gpio->par_be =
+	    GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 | GPIO_PAR_BE_BE1_BE1 |
+	    GPIO_PAR_BE_BE0_BE0;
+	gpio->par_fbctl =
+	    GPIO_PAR_FBCTL_OE | GPIO_PAR_FBCTL_TA_TA | GPIO_PAR_FBCTL_RW_RW |
+	    GPIO_PAR_FBCTL_TS_TS;
+
+#if (defined(CFG_CS0_BASE) && defined(CFG_CS0_MASK) && defined(CFG_CS0_CTRL))
+	fbcs->csar0 = CFG_CS0_BASE;
+	fbcs->cscr0 = CFG_CS0_CTRL;
+	fbcs->csmr0 = CFG_CS0_MASK;
+#endif
+
+#if (defined(CFG_CS1_BASE) && defined(CFG_CS1_MASK) && defined(CFG_CS1_CTRL))
+	/* Latch chipselect */
+	fbcs->csar1 = CFG_CS1_BASE;
+	fbcs->cscr1 = CFG_CS1_CTRL;
+	fbcs->csmr1 = CFG_CS1_MASK;
+#endif
+
+#if (defined(CFG_CS2_BASE) && defined(CFG_CS2_MASK) && defined(CFG_CS2_CTRL))
+	fbcs->csar2 = CFG_CS2_BASE;
+	fbcs->cscr2 = CFG_CS2_CTRL;
+	fbcs->csmr2 = CFG_CS2_MASK;
+#endif
+
+#if (defined(CFG_CS3_BASE) && defined(CFG_CS3_MASK) && defined(CFG_CS3_CTRL))
+	fbcs->csar3 = CFG_CS3_BASE;
+	fbcs->cscr3 = CFG_CS3_CTRL;
+	fbcs->csmr3 = CFG_CS3_MASK;
+#endif
+
+#if (defined(CFG_CS4_BASE) && defined(CFG_CS4_MASK) && defined(CFG_CS4_CTRL))
+	fbcs->csar4 = CFG_CS4_BASE;
+	fbcs->cscr4 = CFG_CS4_CTRL;
+	fbcs->csmr4 = CFG_CS4_MASK;
+#endif
+
+#if (defined(CFG_CS5_BASE) && defined(CFG_CS5_MASK) && defined(CFG_CS5_CTRL))
+	fbcs->csar5 = CFG_CS5_BASE;
+	fbcs->cscr5 = CFG_CS5_CTRL;
+	fbcs->csmr5 = CFG_CS5_MASK;
+#endif
+
+#ifdef CONFIG_FSL_I2C
+	gpio->par_feci2c = GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA;
+#endif
+
+	icache_enable();
+}
+
+/*
+ * initialize higher level parts of CPU like timers
+ */
+int cpu_init_r(void)
+{
+#ifdef CONFIG_MCFTMR
+	volatile rtc_t *rtc = (volatile rtc_t *)(CFG_MCFRTC_BASE);
+	volatile rtcex_t *rtcex = (volatile rtcex_t *)&rtc->extended;
+	u32 oscillator = CFG_RTC_OSCILLATOR;
+
+	rtcex->gocu = (CFG_RTC_OSCILLATOR >> 16) & 0xFFFF;
+	rtcex->gocl = CFG_RTC_OSCILLATOR & 0xFFFF;
+#endif
+
+	return (0);
+}
+
+void uart_port_conf(void)
+{
+	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+	/* Setup Ports: */
+	switch (CFG_UART_PORT) {
+	case 0:
+		gpio->par_uart =
+		    (GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
+		break;
+	case 1:
+		gpio->par_uart =
+		    (GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
+		break;
+	}
+}
diff --git a/cpu/mcf5445x/interrupts.c b/cpu/mcf5445x/interrupts.c
new file mode 100644
index 0000000..9572a7b
--- /dev/null
+++ b/cpu/mcf5445x/interrupts.c
@@ -0,0 +1,52 @@
+/*
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@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
+ */
+
+/* CPU specific interrupt routine */
+#include <common.h>
+#include <asm/immap.h>
+
+int interrupt_init(void)
+{
+	volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
+
+	/* Make sure all interrupts are disabled */
+	intp->imrh0 |= 0xFFFFFFFF;
+	intp->imrl0 |= 0xFFFFFFFF;
+
+	enable_interrupts();
+	return 0;
+}
+
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
+{
+	volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
+
+	intp->icr0[CFG_TMRINTR_NO] = CFG_TMRINTR_PRI;
+	intp->imrh0 &= ~CFG_TMRINTR_MASK;
+}
+#endif
diff --git a/cpu/mcf5445x/pci.c b/cpu/mcf5445x/pci.c
new file mode 100644
index 0000000..8ace536
--- /dev/null
+++ b/cpu/mcf5445x/pci.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@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
+ */
+
+/*
+ * PCI Configuration space access support
+ */
+#include <common.h>
+#include <pci.h>
+#include <asm/io.h>
+#include <asm/immap.h>
+
+#if defined(CONFIG_PCI)
+/* System RAM mapped over PCI */
+#define CFG_PCI_SYS_MEM_BUS	CFG_SDRAM_BASE
+#define CFG_PCI_SYS_MEM_PHYS	CFG_SDRAM_BASE
+#define CFG_PCI_SYS_MEM_SIZE	(1024 * 1024 * 1024)
+
+#define cfg_read(val, addr, type, op)		*val = op((type)(addr));
+#define cfg_write(val, addr, type, op)		op((type *)(addr), (val));
+
+#define PCI_OP(rw, size, type, op, mask)				\
+int pci_##rw##_cfg_##size(struct pci_controller *hose,			\
+	pci_dev_t dev, int offset, type val)				\
+{									\
+	u32 addr = 0;							\
+	u16 cfg_type = 0;						\
+	addr = ((offset & 0xfc) | cfg_type | (dev)  | 0x80000000);	\
+	out_be32(hose->cfg_addr, addr);					\
+	__asm__ __volatile__("nop");					\
+	cfg_##rw(val, hose->cfg_data + (offset & mask), type, op);	\
+	out_be32(hose->cfg_addr, addr & 0x7fffffff);			\
+	__asm__ __volatile__("nop");					\
+	return 0;							\
+}
+
+PCI_OP(read, byte, u8 *, in_8, 3)
+PCI_OP(read, word, u16 *, in_le16, 2)
+PCI_OP(write, byte, u8, out_8, 3)
+PCI_OP(write, word, u16, out_le16, 2)
+PCI_OP(write, dword, u32, out_le32, 0)
+
+int pci_read_cfg_dword(struct pci_controller *hose, pci_dev_t dev,
+		       int offset, u32 * val)
+{
+	u32 addr;
+	u32 tmpv;
+	u32 mask = 2;		/* word access */
+	/* Read lower 16 bits */
+	addr = ((offset & 0xfc) | (dev) | 0x80000000);
+	out_be32(hose->cfg_addr, addr);
+	__asm__ __volatile__("nop");
+	*val = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask)));
+	out_be32(hose->cfg_addr, addr & 0x7fffffff);
+	__asm__ __volatile__("nop");
+
+	/* Read upper 16 bits */
+	offset += 2;
+	addr = ((offset & 0xfc) | 1 | (dev) | 0x80000000);
+	out_be32(hose->cfg_addr, addr);
+	__asm__ __volatile__("nop");
+	tmpv = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask)));
+	out_be32(hose->cfg_addr, addr & 0x7fffffff);
+	__asm__ __volatile__("nop");
+
+	/* combine results into dword value */
+	*val = (tmpv << 16) | *val;
+
+	return 0;
+}
+
+void pci_mcf5445x_init(struct pci_controller *hose)
+{
+	volatile pci_t *pci = (volatile pci_t *)MMAP_PCI;
+	volatile pciarb_t *pciarb = (volatile pciarb_t *)MMAP_PCIARB;
+	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+	u32 barEn = 0;
+
+	pciarb->acr = 0x001f001f;
+
+	/* Set PCIGNT1, PCIREQ1, PCIREQ0/PCIGNTIN, PCIGNT0/PCIREQOUT,
+	   PCIREQ2, PCIGNT2 */
+	gpio->par_pci =
+	    GPIO_PAR_PCI_GNT3_GNT3 | GPIO_PAR_PCI_GNT2 | GPIO_PAR_PCI_GNT1 |
+	    GPIO_PAR_PCI_GNT0 | GPIO_PAR_PCI_REQ3_REQ3 | GPIO_PAR_PCI_REQ2 |
+	    GPIO_PAR_PCI_REQ1 | GPIO_PAR_PCI_REQ0;
+
+	pci->tcr1 |= PCI_TCR1_P;
+
+	/* Initiator windows */
+	pci->iw0btar = CFG_PCI_MEM_PHYS;
+	pci->iw1btar = CFG_PCI_IO_PHYS;
+	pci->iw2btar = CFG_PCI_CFG_PHYS;
+
+	pci->iwcr =
+	    PCI_IWCR_W0C_EN | PCI_IWCR_W1C_EN | PCI_IWCR_W1C_IO |
+	    PCI_IWCR_W2C_EN | PCI_IWCR_W2C_IO;
+
+	/* Enable bus master and mem access */
+	pci->scr = PCI_SCR_MW | PCI_SCR_B | PCI_SCR_M;
+
+	/* Cache line size and master latency */
+	pci->cr1 = PCI_CR1_CLS(8) | PCI_CR1_LTMR(0xFF);
+	pci->cr2 = 0;
+
+#ifdef CFG_PCI_BAR0
+	pci->bar0 = PCI_BAR_BAR0(CFG_PCI_BAR0);
+	pci->tbatr0 = CFG_PCI_TBATR0 | PCI_TBATR_EN;
+	barEn |= PCI_TCR1_B0E;
+#endif
+#ifdef CFG_PCI_BAR1
+	pci->bar1 = PCI_BAR_BAR1(CFG_PCI_BAR1);
+	pci->tbatr1 = CFG_PCI_TBATR1 | PCI_TBATR_EN;
+	barEn |= PCI_TCR1_B1E;
+#endif
+#ifdef CFG_PCI_BAR2
+	pci->bar2 = PCI_BAR_BAR2(CFG_PCI_BAR2);
+	pci->tbatr2 = CFG_PCI_TBATR2 | PCI_TBATR_EN;
+	barEn |= PCI_TCR1_B2E;
+#endif
+#ifdef CFG_PCI_BAR3
+	pci->bar3 = PCI_BAR_BAR3(CFG_PCI_BAR3);
+	pci->tbatr3 = CFG_PCI_TBATR3 | PCI_TBATR_EN;
+	barEn |= PCI_TCR1_B3E;
+#endif
+#ifdef CFG_PCI_BAR4
+	pci->bar4 = PCI_BAR_BAR4(CFG_PCI_BAR4);
+	pci->tbatr4 = CFG_PCI_TBATR4 | PCI_TBATR_EN;
+	barEn |= PCI_TCR1_B4E;
+#endif
+#ifdef CFG_PCI_BAR5
+	pci->bar5 = PCI_BAR_BAR5(CFG_PCI_BAR5);
+	pci->tbatr5 = CFG_PCI_TBATR5 | PCI_TBATR_EN;
+	barEn |= PCI_TCR1_B5E;
+#endif
+
+	pci->tcr2 = barEn;
+
+	/* Deassert reset bit */
+	pci->gscr &= ~PCI_GSCR_PR;
+	udelay(1000);
+
+	/* Enable PCI bus master support */
+	hose->first_busno = 0;
+	hose->last_busno = 0xff;
+
+	pci_set_region(hose->regions + 0, CFG_PCI_MEM_BUS, CFG_PCI_MEM_PHYS,
+		       CFG_PCI_MEM_SIZE, PCI_REGION_MEM);
+
+	pci_set_region(hose->regions + 1, CFG_PCI_IO_BUS, CFG_PCI_IO_PHYS,
+		       CFG_PCI_IO_SIZE, PCI_REGION_IO);
+
+	pci_set_region(hose->regions + 2, CFG_PCI_SYS_MEM_BUS,
+		       CFG_PCI_SYS_MEM_PHYS, CFG_PCI_SYS_MEM_SIZE,
+		       PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+	hose->region_count = 3;
+
+	hose->cfg_addr = &(pci->car);
+	hose->cfg_data = (volatile unsigned char *)CFG_PCI_CFG_BUS;
+
+	pci_set_ops(hose, pci_read_cfg_byte, pci_read_cfg_word,
+		    pci_read_cfg_dword, pci_write_cfg_byte, pci_write_cfg_word,
+		    pci_write_cfg_dword);
+
+	/* Hose scan */
+	pci_register_hose(hose);
+	hose->last_busno = pci_hose_scan(hose);
+}
+#endif				/* CONFIG_PCI */
diff --git a/cpu/mcf5445x/speed.c b/cpu/mcf5445x/speed.c
new file mode 100644
index 0000000..967becf
--- /dev/null
+++ b/cpu/mcf5445x/speed.c
@@ -0,0 +1,186 @@
+/*
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@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/processor.h>
+
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Low Power Divider specifications
+ */
+#define CLOCK_LPD_MIN		(1 << 0)	/* Divider (decoded) */
+#define CLOCK_LPD_MAX		(1 << 15)	/* Divider (decoded) */
+
+#define CLOCK_PLL_FVCO_MAX	540000000
+#define CLOCK_PLL_FVCO_MIN	300000000
+
+#define CLOCK_PLL_FSYS_MAX	266666666
+#define CLOCK_PLL_FSYS_MIN	100000000
+#define MHZ			1000000
+
+void clock_enter_limp(int lpdiv)
+{
+	volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM;
+	int i, j;
+
+	/* Check bounds of divider */
+	if (lpdiv < CLOCK_LPD_MIN)
+		lpdiv = CLOCK_LPD_MIN;
+	if (lpdiv > CLOCK_LPD_MAX)
+		lpdiv = CLOCK_LPD_MAX;
+
+	/* Round divider down to nearest power of two */
+	for (i = 0, j = lpdiv; j != 1; j >>= 1, i++) ;
+
+	/* Apply the divider to the system clock */
+	ccm->cdr = (ccm->cdr & 0xF0FF) | CCM_CDR_LPDIV(i);
+
+	/* Enable Limp Mode */
+	ccm->misccr |= CCM_MISCCR_LIMP;
+}
+
+/*
+ * brief   Exit Limp mode
+ * warning The PLL should be set and locked prior to exiting Limp mode
+ */
+void clock_exit_limp(void)
+{
+	volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM;
+	volatile pll_t *pll = (volatile pll_t *)MMAP_PLL;
+
+	/* Exit Limp mode */
+	ccm->misccr &= ~CCM_MISCCR_LIMP;
+
+	/* Wait for the PLL to lock */
+	while (!(pll->psr & PLL_PSR_LOCK)) ;
+}
+
+/*
+ * get_clocks() fills in gd->cpu_clock and gd->bus_clk
+ */
+int get_clocks(void)
+{
+	volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM;
+	volatile pll_t *pll = (volatile pll_t *)MMAP_PLL;
+	volatile u8 *cpld = (volatile u8 *)(CFG_CS2_BASE + 3);
+	volatile u8 *fpga = (volatile u8 *)(CFG_CS3_BASE + 14);
+	int pllmult_nopci[] = { 20, 10, 24, 18, 12, 6, 16, 8 };
+	int pllmult_pci[] = { 12, 6, 16, 8 };
+	int vco, bPci, temp, fbtemp, pcrvalue;
+	int *pPllmult = NULL;
+	u16 fbpll_mask;
+	u8 cpldmode;
+
+	/* To determine PCI is present or not */
+	if (((ccm->ccr & CCM_CCR_360_FBCONFIG_MASK) == 0x00e0) ||
+	    ((ccm->ccr & CCM_CCR_360_FBCONFIG_MASK) == 0x0060)) {
+		pPllmult = &pllmult_pci[0];
+		fbpll_mask = 3;
+		bPci = 1;
+	} else {
+		pPllmult = &pllmult_nopci[0];
+		fbpll_mask = 7;
+#ifdef CONFIG_PCI
+		gd->pci_clk = 0;
+#endif
+		bPci = 0;
+	}
+
+#ifdef CONFIG_M54455EVB
+	/* Temporary place here, belongs in board/freescale/... */
+	/* Temporary read from CCR- fixed fb issue, must be the same clock
+	   as pci or input clock, causing cpld/fpga read inconsistancy */
+	fbtemp = pPllmult[ccm->ccr & fbpll_mask];
+
+	/* Break down into small pieces, code still in flex bus */
+	pcrvalue = pll->pcr & 0xFFFFF0FF;
+	temp = fbtemp - 1;
+	pcrvalue |= PLL_PCR_OUTDIV3(temp);
+
+	pll->pcr = pcrvalue;
+
+	cpldmode = *cpld & 0x03;
+	if (cpldmode == 0) {
+		/* RCON mode */
+		vco = pPllmult[ccm->rcon & fbpll_mask] * CFG_INPUT_CLKSRC;
+
+		if ((vco < CLOCK_PLL_FVCO_MIN) || (vco > CLOCK_PLL_FVCO_MAX)) {
+			/* invaild range, re-set in PCR */
+			int temp = ((pll->pcr & PLL_PCR_OUTDIV2_MASK) >> 4) + 1;
+			int i, j, bus;
+
+			j = (pll->pcr & 0xFF000000) >> 24;
+			for (i = j; i < 0xFF; i++) {
+				vco = i * CFG_INPUT_CLKSRC;
+				if (vco >= CLOCK_PLL_FVCO_MIN) {
+					bus = vco / temp;
+					if (bus <= CLOCK_PLL_FSYS_MIN - MHZ)
+						continue;
+					else
+						break;
+				}
+			}
+			pcrvalue = pll->pcr & 0x00FF00FF;
+			fbtemp = ((i - 1) << 8) | ((i - 1) << 12);
+			pcrvalue |= ((i << 24) | fbtemp);
+
+			pll->pcr = pcrvalue;
+		}
+		gd->vco_clk = vco;	/* Vco clock */
+	} else if (cpldmode == 2) {
+		/* Normal mode */
+		vco = pPllmult[ccm->ccr & fbpll_mask] * CFG_INPUT_CLKSRC;
+		gd->vco_clk = vco;	/* Vco clock */
+	} else if (cpldmode == 3) {
+		/* serial mode */
+	}
+#endif				/* CONFIG_M54455EVB */
+
+	if ((ccm->ccr & CCM_MISCCR_LIMP) == CCM_MISCCR_LIMP) {
+		/* Limp mode */
+	} else {
+		gd->inp_clk = CFG_INPUT_CLKSRC;	/* Input clock */
+
+		temp = (pll->pcr & PLL_PCR_OUTDIV1_MASK) + 1;
+		gd->cpu_clk = vco / temp;	/* cpu clock */
+
+		temp = ((pll->pcr & PLL_PCR_OUTDIV2_MASK) >> 4) + 1;
+		gd->bus_clk = vco / temp;	/* bus clock */
+
+		temp = ((pll->pcr & PLL_PCR_OUTDIV3_MASK) >> 8) + 1;
+		gd->flb_clk = vco / temp;	/* FlexBus clock */
+
+#ifdef CONFIG_PCI
+		if (bPci) {
+			temp = ((pll->pcr & PLL_PCR_OUTDIV4_MASK) >> 12) + 1;
+			gd->pci_clk = vco / temp;	/* PCI clock */
+		}
+#endif
+	}
+
+	return (0);
+}
diff --git a/cpu/mcf5445x/start.S b/cpu/mcf5445x/start.S
new file mode 100644
index 0000000..cd989ab
--- /dev/null
+++ b/cpu/mcf5445x/start.S
@@ -0,0 +1,388 @@
+/*
+ * Copyright (C) 2003	Josef Baumgartner <josef.baumgartner@telex.de>
+ * Based on code from 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
+ */
+
+#include <config.h>
+#include "version.h"
+
+#ifndef	 CONFIG_IDENT_STRING
+#define	 CONFIG_IDENT_STRING ""
+#endif
+
+/* last three long word reserved for cache status */
+#define CACR_STATUS	(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-12)
+#define ICACHE_STATUS	(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END- 8)
+#define DCACHE_STATUS	(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END- 4)
+
+#define _START	_start
+#define _FAULT	_fault
+
+#define SAVE_ALL						\
+	move.w	#0x2700,%sr;		/* disable intrs */	\
+	subl	#60,%sp;		/* space for 15 regs */ \
+	moveml	%d0-%d7/%a0-%a6,%sp@;
+
+#define RESTORE_ALL						\
+	moveml	%sp@,%d0-%d7/%a0-%a6;				\
+	addl	#60,%sp;		/* space for 15 regs */ \
+	rte;
+
+.text
+/*
+ *	Vector table. This is used for initial platform startup.
+ *	These vectors are to catch any un-intended traps.
+ */
+_vectors:
+
+INITSP:		.long	0x00000000	/* Initial SP	*/
+INITPC:		.long	_START	/* Initial PC 		*/
+vector02:	.long	_FAULT	/* Access Error		*/
+vector03:	.long	_FAULT	/* Address Error	*/
+vector04:	.long	_FAULT	/* Illegal Instruction	*/
+vector05:	.long	_FAULT	/* Reserved		*/
+vector06:	.long	_FAULT	/* Reserved		*/
+vector07:	.long	_FAULT	/* Reserved		*/
+vector08:	.long	_FAULT	/* Privilege Violation	*/
+vector09:	.long	_FAULT	/* Trace		*/
+vector0A:	.long	_FAULT	/* Unimplemented A-Line	*/
+vector0B:	.long	_FAULT	/* Unimplemented F-Line	*/
+vector0C:	.long	_FAULT	/* Debug Interrupt	*/
+vector0D:	.long	_FAULT	/* Reserved		*/
+vector0E:	.long	_FAULT	/* Format Error		*/
+vector0F:	.long	_FAULT	/* Unitialized Int.	*/
+
+/* Reserved */
+vector10_17:
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+vector18:	.long	_FAULT	/* Spurious Interrupt	*/
+vector19:	.long	_FAULT	/* Autovector Level 1	*/
+vector1A:	.long	_FAULT	/* Autovector Level 2	*/
+vector1B:	.long	_FAULT	/* Autovector Level 3	*/
+vector1C:	.long	_FAULT	/* Autovector Level 4	*/
+vector1D:	.long	_FAULT	/* Autovector Level 5	*/
+vector1E:	.long	_FAULT	/* Autovector Level 6	*/
+vector1F:	.long	_FAULT	/* Autovector Level 7	*/
+
+/* TRAP #0 - #15 */
+vector20_2F:
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+/* Reserved	*/
+vector30_3F:
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+vector64_127:
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+vector128_191:
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+vector192_255:
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+	.text
+
+	.globl	_start
+_start:
+	nop
+	nop
+	move.w #0x2700,%sr		/* Mask off Interrupt */
+
+	/* Set vector base register at the beginning of the Flash */
+	move.l	#CFG_FLASH_BASE, %d0
+	movec	%d0, %VBR
+
+	move.l	#(CFG_INIT_RAM_ADDR + CFG_INIT_RAM_CTRL), %d0
+	movec	%d0, %RAMBAR0
+
+	/* initialize general use internal ram */
+	move.l #0, %d0
+	move.l #(CACR_STATUS), %a1	/* CACR */
+	move.l #(ICACHE_STATUS), %a2	/* icache */
+	move.l #(DCACHE_STATUS), %a3	/* dcache */
+	move.l %d0, (%a1)
+	move.l %d0, (%a2)
+	move.l %d0, (%a3)
+
+	/* invalidate and disable cache */
+	move.l	#0x01004100, %d0	/* Invalidate cache cmd */
+	movec	%d0, %CACR		/* Invalidate cache */
+	move.l	#0, %d0
+	movec	%d0, %ACR0
+	movec	%d0, %ACR1
+	movec	%d0, %ACR2
+	movec	%d0, %ACR3
+
+	/* set stackpointer to end of internal ram to get some stackspace for
+	   the first c-code */
+	move.l	#(CFG_INIT_RAM_ADDR + CFG_INIT_SP_OFFSET), %sp
+	clr.l %sp@-
+
+	move.l #__got_start, %a5	/* put relocation table address to a5 */
+
+	bsr cpu_init_f			/* run low-level CPU init code (from flash) */
+	bsr board_init_f		/* run low-level board init code (from flash) */
+
+	/* board_init_f() does not return */
+
+/*------------------------------------------------------------------------------*/
+
+/*
+ * void relocate_code (addr_sp, gd, addr_moni)
+ *
+ * This "function" does not return, instead it continues in RAM
+ * after relocating the monitor code.
+ *
+ * r3 = dest
+ * r4 = src
+ * r5 = length in bytes
+ * r6 = cachelinesize
+ */
+	.globl	relocate_code
+relocate_code:
+	link.w %a6,#0
+	move.l 8(%a6), %sp		/* set new stack pointer */
+
+	move.l 12(%a6), %d0		/* Save copy of Global Data pointer */
+	move.l 16(%a6), %a0		/* Save copy of Destination Address */
+
+	move.l #CFG_MONITOR_BASE, %a1
+	move.l #__init_end, %a2
+	move.l %a0, %a3
+
+	/* copy the code to RAM */
+1:
+	move.l (%a1)+, (%a3)+
+	cmp.l  %a1,%a2
+	bgt.s	 1b
+
+/*
+ * We are done. Do not return, instead branch to second part of board
+ * initialization, now running from RAM.
+ */
+	move.l	%a0, %a1
+	add.l	#(in_ram - CFG_MONITOR_BASE), %a1
+	jmp	(%a1)
+
+in_ram:
+
+clear_bss:
+	/*
+	 * Now clear BSS segment
+	 */
+	move.l	%a0, %a1
+	add.l	#(_sbss - CFG_MONITOR_BASE),%a1
+	move.l	%a0, %d1
+	add.l	#(_ebss - CFG_MONITOR_BASE),%d1
+6:
+	clr.l	(%a1)+
+	cmp.l	%a1,%d1
+	bgt.s	6b
+
+	/*
+	 * fix got table in RAM
+	 */
+	move.l	%a0, %a1
+	add.l	#(__got_start - CFG_MONITOR_BASE),%a1
+	move.l	%a1,%a5			/* * fix got pointer register a5 */
+
+	move.l	%a0, %a2
+	add.l	#(__got_end - CFG_MONITOR_BASE),%a2
+
+7:
+	move.l	(%a1),%d1
+	sub.l	#_start,%d1
+	add.l	%a0,%d1
+	move.l	%d1,(%a1)+
+	cmp.l	%a2, %a1
+	bne	7b
+
+	/* calculate relative jump to board_init_r in ram */
+	move.l %a0, %a1
+	add.l #(board_init_r - CFG_MONITOR_BASE), %a1
+
+	/* set parameters for board_init_r */
+	move.l %a0,-(%sp)		/* dest_addr */
+	move.l %d0,-(%sp)		/* gd */
+	jsr	(%a1)
+
+/*------------------------------------------------------------------------------*/
+/* exception code */
+	.globl _fault
+_fault:
+	jmp _fault
+	.globl	_exc_handler
+
+_exc_handler:
+	SAVE_ALL
+	movel	%sp,%sp@-
+	bsr exc_handler
+	addql	#4,%sp
+	RESTORE_ALL
+
+	.globl	_int_handler
+_int_handler:
+	SAVE_ALL
+	movel	%sp,%sp@-
+	bsr int_handler
+	addql	#4,%sp
+	RESTORE_ALL
+
+/*------------------------------------------------------------------------------*/
+/* cache functions */
+	.globl	icache_enable
+icache_enable:
+	move.l #(CACR_STATUS), %a1	/* read CACR Status */
+	move.l	(%a1), %d1
+
+	move.l	#0x00040100, %d0	/* Invalidate icache */
+	or.l	%d1, %d0
+	movec	%d0, %CACR
+
+	move.l	#(CFG_SDRAM_BASE + 0xc000), %d0	/* Setup icache */
+	movec	%d0, %ACR2
+
+	or.l	#0x00088400, %d1	/* Enable bcache and icache */
+	movec	%d1, %CACR
+
+	move.l #(ICACHE_STATUS), %a1
+	moveq	#1, %d0
+	move.l	%d0, (%a1)
+	rts
+
+	.globl	icache_disable
+icache_disable:
+	move.l #(CACR_STATUS), %a1	/* read CACR Status */
+	move.l	(%a1), %d0
+
+	and.l	#0xFFF77BFF, %d0
+	or.l	#0x00040100, %d0	/* Setup cache mask */
+	movec	%d0, %CACR		/* Invalidate icache */
+	clr.l	%d0
+	movec	%d0, %ACR2
+	movec	%d0, %ACR3
+
+	move.l #(ICACHE_STATUS), %a1
+	moveq	#0, %d0
+	move.l	%d0, (%a1)
+	rts
+
+	.globl	icache_status
+icache_status:
+	move.l #(ICACHE_STATUS), %a1
+	move.l	(%a1), %d0
+	rts
+
+	.globl	icache_invalid
+icache_invalid:
+	move.l #(CACR_STATUS), %a1	/* read CACR Status */
+	move.l	(%a1), %d0
+
+	or.l	#0x00040100, %d0	/* Invalidate icache */
+	movec	%d0, %CACR		/* Enable and invalidate cache */
+	rts
+
+	.globl	dcache_enable
+dcache_enable:
+	move.l #(CACR_STATUS), %a1	/* read CACR Status */
+	move.l	(%a1), %d1
+
+	move.l	#0x01000000, %d0
+	or.l	%d1, %d0
+	movec	%d0, %CACR		/* Invalidate dcache */
+
+	move.l  #(CFG_SDRAM_BASE + 0xc000), %d0
+	movec	%d0, %ACR0
+	move.l  #0, %d0
+	movec	%d0, %ACR1
+
+	or.l	#0x80000000, %d1	/* Enable bcache and icache */
+	movec	%d1, %CACR
+
+	move.l #(DCACHE_STATUS), %a1
+	moveq	#1, %d0
+	move.l	%d0, (%a1)
+	rts
+
+	.globl	dcache_disable
+dcache_disable:
+	move.l #(CACR_STATUS), %a1	/* read CACR Status */
+	move.l	(%a1), %d0
+
+	and.l	#0x7FFFFFFF, %d0
+	or.l	#0x01000000, %d0	/* Setup cache mask */
+	movec	%d0, %CACR		/* Disable dcache */
+	clr.l	%d0
+	movec	%d0, %ACR0
+	movec	%d0, %ACR1
+
+	move.l #(DCACHE_STATUS), %a1
+	moveq	#0, %d0
+	move.l	%d0, (%a1)
+	rts
+
+	.globl	dcache_invalid
+dcache_invalid:
+	move.l #(CACR_STATUS), %a1	/* read CACR Status */
+	move.l	(%a1), %d0
+
+	or.l	#0x01000000, %d0	/* Setup cache mask */
+	movec	%d0, %CACR		/* Enable and invalidate cache */
+	rts
+
+	.globl	dcache_status
+dcache_status:
+	move.l #(DCACHE_STATUS), %a1
+	move.l	(%a1), %d0
+	rts
+
+/*------------------------------------------------------------------------------*/
+
+	.globl	version_string
+version_string:
+	.ascii U_BOOT_VERSION
+	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii CONFIG_IDENT_STRING, "\0"