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authorWolfgang Denk <wd@denx.de>2007-08-18 21:56:57 +0200
committerWolfgang Denk <wd@denx.de>2007-08-18 21:56:57 +0200
commit909627dca4350fca789c117b028b686cfe53e716 (patch)
tree9ff1c96b5501884438605bd1814eadc03f02d8e1 /cpu
parent8f22b671ebc4c625dbd58be19d844069dcc9660e (diff)
parent26667b7fa05a8bf2fc65fb9f3230b02b1a10c367 (diff)
downloadtalos-obmc-uboot-909627dca4350fca789c117b028b686cfe53e716.tar.gz
talos-obmc-uboot-909627dca4350fca789c117b028b686cfe53e716.zip
Merge with /home/wd/git/u-boot/custodian/u-boot-coldfire
Diffstat (limited to 'cpu')
-rw-r--r--cpu/mcf523x/Makefile48
-rw-r--r--cpu/mcf523x/config.mk27
-rw-r--r--cpu/mcf523x/cpu.c109
-rw-r--r--cpu/mcf523x/cpu_init.c145
-rw-r--r--cpu/mcf523x/interrupts.c49
-rw-r--r--cpu/mcf523x/speed.c49
-rw-r--r--cpu/mcf523x/start.S340
-rw-r--r--cpu/mcf52x2/Makefile4
-rw-r--r--cpu/mcf52x2/cpu.c184
-rw-r--r--cpu/mcf52x2/cpu_init.c448
-rw-r--r--cpu/mcf52x2/fec.c605
-rw-r--r--cpu/mcf52x2/interrupts.c186
-rw-r--r--cpu/mcf52x2/serial.c215
-rw-r--r--cpu/mcf52x2/speed.c35
-rw-r--r--cpu/mcf52x2/start.S54
-rw-r--r--cpu/mcf532x/Makefile48
-rw-r--r--cpu/mcf532x/config.mk27
-rw-r--r--cpu/mcf532x/cpu.c119
-rw-r--r--cpu/mcf532x/cpu_init.c141
-rw-r--r--cpu/mcf532x/interrupts.c49
-rw-r--r--cpu/mcf532x/speed.c216
-rw-r--r--cpu/mcf532x/start.S335
-rw-r--r--cpu/mcf5445x/Makefile48
-rw-r--r--cpu/mcf5445x/config.mk27
-rw-r--r--cpu/mcf5445x/cpu.c97
-rw-r--r--cpu/mcf5445x/cpu_init.c140
-rw-r--r--cpu/mcf5445x/interrupts.c52
-rw-r--r--cpu/mcf5445x/pci.c189
-rw-r--r--cpu/mcf5445x/speed.c186
-rw-r--r--cpu/mcf5445x/start.S388
30 files changed, 3325 insertions, 1235 deletions
diff --git a/cpu/mcf523x/Makefile b/cpu/mcf523x/Makefile
new file mode 100644
index 0000000000..d0e9b4550f
--- /dev/null
+++ b/cpu/mcf523x/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
+
+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/mcf523x/config.mk b/cpu/mcf523x/config.mk
new file mode 100644
index 0000000000..ba324a894a
--- /dev/null
+++ b/cpu/mcf523x/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 += -m5307 -fPIC
diff --git a/cpu/mcf523x/cpu.c b/cpu/mcf523x/cpu.c
new file mode 100644
index 0000000000..f0d954b3fb
--- /dev/null
+++ b/cpu/mcf523x/cpu.c
@@ -0,0 +1,109 @@
+/*
+ *
+ * (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 ccm_t *ccm = (ccm_t *) MMAP_CCM;
+
+ ccm->rcr = CCM_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 0x31:
+ id = 5235;
+ break;
+ }
+
+ if (id) {
+ printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
+ ver);
+ printf(" CPU CLK %d Mhz BUS CLK %d Mhz\n",
+ (int)(gd->cpu_clk / 1000000),
+ (int)(gd->bus_clk / 1000000));
+ }
+
+ return 0;
+};
+
+#if defined(CONFIG_WATCHDOG)
+/* Called by macro WATCHDOG_RESET */
+void watchdog_reset(void)
+{
+ volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
+
+ wdp->sr = 0x5555; /* Count register */
+ asm("nop");
+ wdp->sr = 0xAAAA; /* Count register */
+}
+
+int watchdog_disable(void)
+{
+ volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
+
+ /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
+ wdp->cr |= WTM_WCR_HALTED; /* halted watchdog timer */
+
+ puts("WATCHDOG:disabled\n");
+ return (0);
+}
+
+int watchdog_init(void)
+{
+ volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
+ u32 wdog_module = 0;
+
+ /* set timeout and enable watchdog */
+ wdog_module = ((CFG_CLK / CFG_HZ) * CONFIG_WATCHDOG_TIMEOUT);
+ wdog_module |= (wdog_module / 8192);
+ wdp->mr = wdog_module;
+
+ wdp->cr = WTM_WCR_EN;
+ puts("WATCHDOG:enabled\n");
+
+ return (0);
+}
+#endif /* CONFIG_WATCHDOG */
diff --git a/cpu/mcf523x/cpu_init.c b/cpu/mcf523x/cpu_init.c
new file mode 100644
index 0000000000..55c9cd356d
--- /dev/null
+++ b/cpu/mcf523x/cpu_init.c
@@ -0,0 +1,145 @@
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 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>
+
+/*
+ * 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 gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+ volatile wdog_t *wdog = (wdog_t *) MMAP_WDOG;
+ volatile scm_t *scm = (scm_t *) MMAP_SCM;
+
+ /* watchdog is enabled by default - disable the watchdog */
+#ifndef CONFIG_WATCHDOG
+ wdog->cr = 0;
+#endif
+
+ scm->rambar = (CFG_INIT_RAM_ADDR | SCM_RAMBAR_BDE);
+
+ /* Port configuration */
+ gpio->par_cs = 0;
+
+#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))
+ gpio->par_cs |= GPIO_PAR_CS_CS1;
+ 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))
+ gpio->par_cs |= GPIO_PAR_CS_CS2;
+ 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))
+ gpio->par_cs |= GPIO_PAR_CS_CS3;
+ 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))
+ gpio->par_cs |= GPIO_PAR_CS_CS4;
+ 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))
+ gpio->par_cs |= GPIO_PAR_CS_CS5;
+ fbcs->csar5 = CFG_CS5_BASE;
+ fbcs->cscr5 = CFG_CS5_CTRL;
+ fbcs->csmr5 = CFG_CS5_MASK;
+#endif
+
+#if (defined(CFG_CS6_BASE) && defined(CFG_CS6_MASK) && defined(CFG_CS6_CTRL))
+ gpio->par_cs |= GPIO_PAR_CS_CS6;
+ fbcs->csar6 = CFG_CS6_BASE;
+ fbcs->cscr6 = CFG_CS6_CTRL;
+ fbcs->csmr6 = CFG_CS6_MASK;
+#endif
+
+#if (defined(CFG_CS7_BASE) && defined(CFG_CS7_MASK) && defined(CFG_CS7_CTRL))
+ gpio->par_cs |= GPIO_PAR_CS_CS7;
+ fbcs->csar7 = CFG_CS7_BASE;
+ fbcs->cscr7 = CFG_CS7_CTRL;
+ fbcs->csmr7 = CFG_CS7_MASK;
+#endif
+
+#ifdef CONFIG_FSL_I2C
+ gpio->par_feci2c &= ~(GPIO_PAR_FECI2C_SCL_MASK | GPIO_PAR_FECI2C_SDA_MASK);
+ gpio->par_feci2c |= (GPIO_PAR_FECI2C_SCL_I2CSCL | GPIO_PAR_FECI2C_SDA_I2CSDA);
+#endif
+
+ 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 (CFG_UART_PORT) {
+ case 0:
+ gpio->par_uart = (GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD);
+ break;
+ case 1:
+ gpio->par_uart =
+ (GPIO_PAR_UART_U1RXD_U1RXD | GPIO_PAR_UART_U1TXD_U1TXD);
+ break;
+ case 2:
+ gpio->par_timer = (GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD);
+ break;
+ }
+}
diff --git a/cpu/mcf523x/interrupts.c b/cpu/mcf523x/interrupts.c
new file mode 100644
index 0000000000..125c53b1bc
--- /dev/null
+++ b/cpu/mcf523x/interrupts.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * 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->imrl0 |= 0x1;
+
+ 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->imrl0 &= ~INTC_IPRL_INT0;
+ intp->imrl0 &= ~CFG_TMRINTR_MASK;
+}
+#endif
diff --git a/cpu/mcf523x/speed.c b/cpu/mcf523x/speed.c
new file mode 100644
index 0000000000..247d3188bb
--- /dev/null
+++ b/cpu/mcf523x/speed.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * (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 <asm/processor.h>
+
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+/*
+ * get_clocks() fills in gd->cpu_clock and gd->bus_clk
+ */
+int get_clocks(void)
+{
+ volatile pll_t *pll = (volatile pll_t *)(MMAP_PLL);
+
+ pll->syncr = PLL_SYNCR_MFD(1);
+
+ while (!(pll->synsr & PLL_SYNSR_LOCK));
+
+ gd->bus_clk = CFG_CLK;
+ gd->cpu_clk = (gd->bus_clk * 2);
+
+ return (0);
+}
diff --git a/cpu/mcf523x/start.S b/cpu/mcf523x/start.S
new file mode 100644
index 0000000000..2bd603db66
--- /dev/null
+++ b/cpu/mcf523x/start.S
@@ -0,0 +1,340 @@
+/*
+ * 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
+
+#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, %RAMBAR1
+
+ /* invalidate and disable cache */
+ move.l #0x01000000, %d0 /* Invalidate cache cmd */
+ movec %d0, %CACR /* Invalidate cache */
+ nop
+ move.l #0, %d0
+ movec %d0, %ACR0
+ movec %d0, %ACR1
+
+ /* initialize general use internal ram */
+ move.l #0, %d0
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a2
+ move.l %d0, (%a1)
+ move.l %d0, (%a2)
+
+ /* 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 #0x01000000, %d0 /* Invalidate cache cmd */
+ movec %d0, %CACR /* Invalidate cache */
+ nop
+ move.l #(CFG_SDRAM_BASE + 0xc000), %d0 /* Setup cache mask */
+ movec %d0, %ACR0 /* Enable cache */
+ move.l #(CFG_FLASH_BASE + 0xc000), %d0 /* Setup cache mask */
+ movec %d0, %ACR1 /* Enable cache */
+
+ move.l #0x80400100, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Enable cache */
+ nop
+
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ moveq #1, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl icache_disable
+icache_disable:
+ move.l #0x00000100, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Disable cache */
+ clr.l %d0 /* Setup cache mask */
+ movec %d0, %ACR0
+ movec %d0, %ACR1
+
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ moveq #0, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl icache_status
+icache_status:
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ move.l (%a1), %d0
+ rts
+
+ .globl icache_invalid
+icache_invalid:
+ move.l #0x80600100, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Enable cache */
+ nop
+ rts
+
+ .globl dcache_enable
+dcache_enable:
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1
+ moveq #1, %d0
+ move.l %d0, (%a1)
+ rts
+
+ /* No dcache, just a dummy function */
+ .globl dcache_disable
+dcache_disable:
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1
+ moveq #0, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl dcache_status
+dcache_status:
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1
+ move.l (%a1), %d0
+ rts
+
+/*------------------------------------------------------------------------------*/
+
+ .globl version_string
+version_string:
+ .ascii U_BOOT_VERSION
+ .ascii " (", __DATE__, " - ", __TIME__, ")"
+ .ascii CONFIG_IDENT_STRING, "\0"
diff --git a/cpu/mcf52x2/Makefile b/cpu/mcf52x2/Makefile
index 70d57cf609..937cdd0584 100644
--- a/cpu/mcf52x2/Makefile
+++ b/cpu/mcf52x2/Makefile
@@ -27,8 +27,8 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
-START =
-COBJS = serial.o interrupts.o cpu.o speed.o cpu_init.o fec.o
+START = start.o
+COBJS = interrupts.o cpu.o speed.o cpu_init.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c
index ce59d39cfa..71ea408aa5 100644
--- a/cpu/mcf52x2/cpu.c
+++ b/cpu/mcf52x2/cpu.c
@@ -28,33 +28,15 @@
#include <common.h>
#include <watchdog.h>
#include <command.h>
+#include <asm/immap.h>
#ifdef CONFIG_M5271
-#include <asm/immap_5271.h>
-#include <asm/m5271.h>
-#endif
-
-#ifdef CONFIG_M5272
-#include <asm/immap_5272.h>
-#include <asm/m5272.h>
-#endif
-
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#include <asm/immap_5282.h>
-#endif
-
-#ifdef CONFIG_M5249
-#include <asm/m5249.h>
-#endif
-
-#ifdef CONFIG_M5271
/*
* Both MCF5270 and MCF5271 are members of the MPC5271 family. Try to
* determine which one we are running on, based on the Chip Identification
* Register (CIR).
*/
-int checkcpu (void)
+int checkcpu(void)
{
char buf[32];
unsigned short cir; /* Chip Identification Register */
@@ -80,156 +62,194 @@ int checkcpu (void)
if (cpu_model)
printf("CPU: Freescale ColdFire MCF%s rev. %hu, at %s MHz\n",
- cpu_model, prn, strmhz(buf, CFG_CLK));
+ cpu_model, prn, strmhz(buf, CFG_CLK));
else
printf("CPU: Unknown - Freescale ColdFire MCF5271 family"
- " (PIN: 0x%x) rev. %hu, at %s MHz\n",
- pin, prn, strmhz(buf, CFG_CLK));
+ " (PIN: 0x%x) rev. %hu, at %s MHz\n",
+ pin, prn, strmhz(buf, CFG_CLK));
return 0;
}
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
mbar_writeByte(MCF_RCM_RCR,
- MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT);
+ MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT);
return 0;
};
#if defined(CONFIG_WATCHDOG)
-void watchdog_reset (void)
+void watchdog_reset(void)
{
mbar_writeShort(MCF_WTM_WSR, 0x5555);
mbar_writeShort(MCF_WTM_WSR, 0xAAAA);
}
-int watchdog_disable (void)
+int watchdog_disable(void)
{
mbar_writeShort(MCF_WTM_WCR, 0);
return (0);
}
-int watchdog_init (void)
+int watchdog_init(void)
{
mbar_writeShort(MCF_WTM_WCR, MCF_WTM_WCR_EN);
return (0);
}
-#endif /* #ifdef CONFIG_WATCHDOG */
+#endif /* #ifdef CONFIG_WATCHDOG */
#endif
#ifdef CONFIG_M5272
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
- volatile wdog_t * wdp = (wdog_t *)(CFG_MBAR + MCFSIM_WRRR);
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+ volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
wdp->wdog_wrrr = 0;
- udelay (1000);
+ udelay(1000);
/* enable watchdog, set timeout to 0 and wait */
wdp->wdog_wrrr = 1;
- while (1);
+ while (1) ;
/* we don't return! */
return 0;
};
-int checkcpu(void) {
- ulong *dirp = (ulong *)(CFG_MBAR + MCFSIM_DIR);
+int checkcpu(void)
+{
+ volatile sysctrl_t *sysctrl = (sysctrl_t *) (MMAP_CFG);
uchar msk;
- char *suf;
+ char *suf;
- puts ("CPU: ");
- msk = (*dirp > 28) & 0xf;
+ puts("CPU: ");
+ msk = (sysctrl->sc_dir > 28) & 0xf;
switch (msk) {
- case 0x2: suf = "1K75N"; break;
- case 0x4: suf = "3K75N"; break;
- default:
- suf = NULL;
- printf ("Freescale MCF5272 (Mask:%01x)\n", msk);
- break;
- }
+ case 0x2:
+ suf = "1K75N";
+ break;
+ case 0x4:
+ suf = "3K75N";
+ break;
+ default:
+ suf = NULL;
+ printf("Freescale MCF5272 (Mask:%01x)\n", msk);
+ break;
+ }
if (suf)
- printf ("Freescale MCF5272 %s\n", suf);
+ printf("Freescale MCF5272 %s\n", suf);
return 0;
};
#if defined(CONFIG_WATCHDOG)
/* Called by macro WATCHDOG_RESET */
-void watchdog_reset (void)
+void watchdog_reset(void)
{
- volatile immap_t * regp = (volatile immap_t *)CFG_MBAR;
- regp->wdog_reg.wdog_wcr = 0;
+ volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+ wdt->wdog_wcr = 0;
}
-int watchdog_disable (void)
+int watchdog_disable(void)
{
- volatile immap_t *regp = (volatile immap_t *)CFG_MBAR;
+ volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
- regp->wdog_reg.wdog_wcr = 0; /* reset watchdog counter */
- regp->wdog_reg.wdog_wirr = 0; /* disable watchdog interrupt */
- regp->wdog_reg.wdog_wrrr = 0; /* disable watchdog timer */
+ wdt->wdog_wcr = 0; /* reset watchdog counter */
+ wdt->wdog_wirr = 0; /* disable watchdog interrupt */
+ wdt->wdog_wrrr = 0; /* disable watchdog timer */
- puts ("WATCHDOG:disabled\n");
+ puts("WATCHDOG:disabled\n");
return (0);
}
-int watchdog_init (void)
+int watchdog_init(void)
{
- volatile immap_t *regp = (volatile immap_t *)CFG_MBAR;
+ volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
- regp->wdog_reg.wdog_wirr = 0; /* disable watchdog interrupt */
+ wdt->wdog_wirr = 0; /* disable watchdog interrupt */
/* set timeout and enable watchdog */
- regp->wdog_reg.wdog_wrrr = ((CONFIG_WATCHDOG_TIMEOUT * CFG_HZ) / (32768 * 1000)) - 1;
- regp->wdog_reg.wdog_wcr = 0; /* reset watchdog counter */
+ wdt->wdog_wrrr =
+ ((CONFIG_WATCHDOG_TIMEOUT * CFG_HZ) / (32768 * 1000)) - 1;
+ wdt->wdog_wcr = 0; /* reset watchdog counter */
- puts ("WATCHDOG:enabled\n");
+ puts("WATCHDOG:enabled\n");
return (0);
}
-#endif /* #ifdef CONFIG_WATCHDOG */
-
-#endif /* #ifdef CONFIG_M5272 */
+#endif /* #ifdef CONFIG_WATCHDOG */
+#endif /* #ifdef CONFIG_M5272 */
#ifdef CONFIG_M5282
-int checkcpu (void)
+int checkcpu(void)
{
unsigned char resetsource = MCFRESET_RSR;
- printf ("CPU: Freescale Coldfire MCF5282 (PIN: %2.2x REV: %2.2x)\n",
- MCFCCM_CIR>>8,MCFCCM_CIR & MCFCCM_CIR_PRN_MASK);
- printf ("Reset:%s%s%s%s%s%s%s\n",
- (resetsource & MCFRESET_RSR_LOL) ? " Loss of Lock" : "",
- (resetsource & MCFRESET_RSR_LOC) ? " Loss of Clock" : "",
- (resetsource & MCFRESET_RSR_EXT) ? " External" : "",
- (resetsource & MCFRESET_RSR_POR) ? " Power On" : "",
- (resetsource & MCFRESET_RSR_WDR) ? " Watchdog" : "",
- (resetsource & MCFRESET_RSR_SOFT) ? " Software" : "",
- (resetsource & MCFRESET_RSR_LVD) ? " Low Voltage" : ""
- );
+ printf("CPU: Freescale Coldfire MCF5282 (PIN: %2.2x REV: %2.2x)\n",
+ MCFCCM_CIR >> 8, MCFCCM_CIR & MCFCCM_CIR_PRN_MASK);
+ printf("Reset:%s%s%s%s%s%s%s\n",
+ (resetsource & MCFRESET_RSR_LOL) ? " Loss of Lock" : "",
+ (resetsource & MCFRESET_RSR_LOC) ? " Loss of Clock" : "",
+ (resetsource & MCFRESET_RSR_EXT) ? " External" : "",
+ (resetsource & MCFRESET_RSR_POR) ? " Power On" : "",
+ (resetsource & MCFRESET_RSR_WDR) ? " Watchdog" : "",
+ (resetsource & MCFRESET_RSR_SOFT) ? " Software" : "",
+ (resetsource & MCFRESET_RSR_LVD) ? " Low Voltage" : "");
return 0;
}
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
{
MCFRESET_RCR = MCFRESET_RCR_SOFTRST;
return 0;
};
#endif
-#ifdef CONFIG_M5249 /* test-only: todo... */
-int checkcpu (void)
+#ifdef CONFIG_M5249
+int checkcpu(void)
{
char buf[32];
- printf ("CPU: Freescale Coldfire MCF5249 at %s MHz\n", strmhz(buf, CFG_CLK));
+ printf("CPU: Freescale Coldfire MCF5249 at %s MHz\n",
+ strmhz(buf, CFG_CLK));
return 0;
}
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
/* enable watchdog, set timeout to 0 and wait */
mbar_writeByte(MCFSIM_SYPCR, 0xc0);
- while (1);
+ while (1) ;
+
+ /* we don't return! */
+ return 0;
+};
+#endif
+
+#ifdef CONFIG_M5253
+int checkcpu(void)
+{
+ char buf[32];
+
+ unsigned char resetsource = mbar_readLong(SIM_RSR);
+ printf("CPU: Freescale Coldfire MCF5253 at %s MHz\n",
+ strmhz(buf, CFG_CLK));
+
+ if ((resetsource & SIM_RSR_HRST) || (resetsource & SIM_RSR_SWTR)) {
+ printf("Reset:%s%s\n",
+ (resetsource & SIM_RSR_HRST) ? " Hardware/ System Reset"
+ : "",
+ (resetsource & SIM_RSR_SWTR) ? " Software Watchdog" :
+ "");
+ }
+ return 0;
+}
+
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+ /* enable watchdog, set timeout to 0 and wait */
+ mbar_writeByte(SIM_SYPCR, 0xc0);
+ while (1) ;
/* we don't return! */
return 0;
diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c
index 1748ea9d9b..458b85ef14 100644
--- a/cpu/mcf52x2/cpu_init.c
+++ b/cpu/mcf52x2/cpu_init.c
@@ -6,6 +6,10 @@
* (C) Copyright 2005
* BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de>
*
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ * Hayden Fraser (Hayden.Fraser@freescale.com)
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -27,28 +31,78 @@
#include <common.h>
#include <watchdog.h>
+#include <asm/immap.h>
-#ifdef CONFIG_M5271
-#include <asm/m5271.h>
-#include <asm/immap_5271.h>
-#endif
+#if defined(CONFIG_M5253)
+/*
+ * 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)
+{
+ mbar_writeByte(MCFSIM_MPARK, 0x40); /* 5249 Internal Core takes priority over DMA */
+ mbar_writeByte(MCFSIM_SYPCR, 0x00);
+ mbar_writeByte(MCFSIM_SWIVR, 0x0f);
+ mbar_writeByte(MCFSIM_SWSR, 0x00);
+ mbar_writeByte(MCFSIM_SWDICR, 0x00);
+ mbar_writeByte(MCFSIM_TIMER1ICR, 0x00);
+ mbar_writeByte(MCFSIM_TIMER2ICR, 0x88);
+ mbar_writeByte(MCFSIM_I2CICR, 0x00);
+ mbar_writeByte(MCFSIM_UART1ICR, 0x00);
+ mbar_writeByte(MCFSIM_UART2ICR, 0x00);
+ mbar_writeByte(MCFSIM_ICR6, 0x00);
+ mbar_writeByte(MCFSIM_ICR7, 0x00);
+ mbar_writeByte(MCFSIM_ICR8, 0x00);
+ mbar_writeByte(MCFSIM_ICR9, 0x00);
+ mbar_writeByte(MCFSIM_QSPIICR, 0x00);
-#ifdef CONFIG_M5272
-#include <asm/m5272.h>
-#include <asm/immap_5272.h>
-#endif
+ mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
+ mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */
+ mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#include <asm/immap_5282.h>
-#endif
+ /*mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); */ /* Enable a 1 cycle pre-drive cycle on CS1 */
-#ifdef CONFIG_M5249
-#include <asm/m5249.h>
-#endif
+ /*
+ * Setup chip selects...
+ */
+
+ mbar_writeShort(MCFSIM_CSAR1, CFG_CSAR1);
+ mbar_writeShort(MCFSIM_CSCR1, CFG_CSCR1);
+ mbar_writeLong(MCFSIM_CSMR1, CFG_CSMR1);
+
+ mbar_writeShort(MCFSIM_CSAR0, CFG_CSAR0);
+ mbar_writeShort(MCFSIM_CSCR0, CFG_CSCR0);
+ mbar_writeLong(MCFSIM_CSMR0, CFG_CSMR0);
+
+ /* enable instruction cache now */
+ icache_enable();
+}
+
+/*initialize higher level parts of CPU like timers */
+int cpu_init_r(void)
+{
+ return (0);
+}
+
+void uart_port_conf(void)
+{
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ break;
+ case 1:
+ break;
+ case 2:
+ break;
+ }
+}
+#endif /* #if defined(CONFIG_M5253) */
#if defined(CONFIG_M5271)
-void cpu_init_f (void)
+void cpu_init_f(void)
{
#ifndef CONFIG_WATCHDOG
/* Disable the watchdog if we aren't using it */
@@ -58,25 +112,35 @@ void cpu_init_f (void)
/* Set clockspeed to 100MHz */
mbar_writeShort(MCF_FMPLL_SYNCR,
MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0));
- while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK);
-
- /* Enable UART pins */
- mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD |
- MCF_GPIO_PAR_UART_U0RXD |
- MCF_GPIO_PAR_UART_U1RXD_UART1 |
- MCF_GPIO_PAR_UART_U1TXD_UART1);
-
- /* Enable Ethernet pins */
- mbar_writeByte(MCF_GPIO_PAR_FECI2C, CFG_FECI2C);
+ while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK) ;
}
/*
* initialize higher level parts of CPU like timers
*/
-int cpu_init_r (void)
+int cpu_init_r(void)
{
return (0);
}
+
+void uart_port_conf(void)
+{
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD |
+ MCF_GPIO_PAR_UART_U0RXD);
+ break;
+ case 1:
+ mbar_writeShort(MCF_GPIO_PAR_UART,
+ MCF_GPIO_PAR_UART_U1RXD_UART1 |
+ MCF_GPIO_PAR_UART_U1TXD_UART1);
+ break;
+ case 2:
+ mbar_writeShort(MCF_GPIO_PAR_UART, 0x3000);
+ break;
+ }
+}
#endif
#if defined(CONFIG_M5272)
@@ -87,69 +151,68 @@ int cpu_init_r (void)
* initialize a bunch of registers,
* initialize the UPM's
*/
-void cpu_init_f (void)
+void cpu_init_f(void)
{
/* if we come from RAM we assume the CPU is
* already initialized.
*/
#ifndef CONFIG_MONITOR_IS_IN_RAM
- volatile immap_t *regp = (immap_t *)CFG_MBAR;
-
- volatile unsigned char *mbar;
- mbar = (volatile unsigned char *) CFG_MBAR;
+ volatile sysctrl_t *sysctrl = (sysctrl_t *) (CFG_MBAR);
+ volatile gpio_t *gpio = (gpio_t *) (MMAP_GPIO);
+ volatile csctrl_t *csctrl = (csctrl_t *) (MMAP_FBCS);
- regp->sysctrl_reg.sc_scr = CFG_SCR;
- regp->sysctrl_reg.sc_spr = CFG_SPR;
+ sysctrl->sc_scr = CFG_SCR;
+ sysctrl->sc_spr = CFG_SPR;
/* Setup Ports: */
- regp->gpio_reg.gpio_pacnt = CFG_PACNT;
- regp->gpio_reg.gpio_paddr = CFG_PADDR;
- regp->gpio_reg.gpio_padat = CFG_PADAT;
- regp->gpio_reg.gpio_pbcnt = CFG_PBCNT;
- regp->gpio_reg.gpio_pbddr = CFG_PBDDR;
- regp->gpio_reg.gpio_pbdat = CFG_PBDAT;
- regp->gpio_reg.gpio_pdcnt = CFG_PDCNT;
+ gpio->gpio_pacnt = CFG_PACNT;
+ gpio->gpio_paddr = CFG_PADDR;
+ gpio->gpio_padat = CFG_PADAT;
+ gpio->gpio_pbcnt = CFG_PBCNT;
+ gpio->gpio_pbddr = CFG_PBDDR;
+ gpio->gpio_pbdat = CFG_PBDAT;
+ gpio->gpio_pdcnt = CFG_PDCNT;
/* Memory Controller: */
- regp->csctrl_reg.cs_br0 = CFG_BR0_PRELIM;
- regp->csctrl_reg.cs_or0 = CFG_OR0_PRELIM;
+ csctrl->cs_br0 = CFG_BR0_PRELIM;
+ csctrl->cs_or0 = CFG_OR0_PRELIM;
#if (defined(CFG_OR1_PRELIM) && defined(CFG_BR1_PRELIM))
- regp->csctrl_reg.cs_br1 = CFG_BR1_PRELIM;
- regp->csctrl_reg.cs_or1 = CFG_OR1_PRELIM;
+ csctrl->cs_br1 = CFG_BR1_PRELIM;
+ csctrl->cs_or1 = CFG_OR1_PRELIM;
#endif
#if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM)
- regp->csctrl_reg.cs_br2 = CFG_BR2_PRELIM;
- regp->csctrl_reg.cs_or2 = CFG_OR2_PRELIM;
+ csctrl->cs_br2 = CFG_BR2_PRELIM;
+ csctrl->cs_or2 = CFG_OR2_PRELIM;
#endif
#if defined(CFG_OR3_PRELIM) && defined(CFG_BR3_PRELIM)
- regp->csctrl_reg.cs_br3 = CFG_BR3_PRELIM;
- regp->csctrl_reg.cs_or3 = CFG_OR3_PRELIM;
+ csctrl->cs_br3 = CFG_BR3_PRELIM;
+ csctrl->cs_or3 = CFG_OR3_PRELIM;
#endif
#if defined(CFG_OR4_PRELIM) && defined(CFG_BR4_PRELIM)
- regp->csctrl_reg.cs_br4 = CFG_BR4_PRELIM;
- regp->csctrl_reg.cs_or4 = CFG_OR4_PRELIM;
+ csctrl->cs_br4 = CFG_BR4_PRELIM;
+ csctrl->cs_or4 = CFG_OR4_PRELIM;
#endif
#if defined(CFG_OR5_PRELIM) && defined(CFG_BR5_PRELIM)
- regp->csctrl_reg.cs_br5 = CFG_BR5_PRELIM;
- regp->csctrl_reg.cs_or5 = CFG_OR5_PRELIM;
+ csctrl->cs_br5 = CFG_BR5_PRELIM;
+ csctrl->cs_or5 = CFG_OR5_PRELIM;
#endif
#if defined(CFG_OR6_PRELIM) && defined(CFG_BR6_PRELIM)
- regp->csctrl_reg.cs_br6 = CFG_BR6_PRELIM;
- regp->csctrl_reg.cs_or6 = CFG_OR6_PRELIM;
+ csctrl->cs_br6 = CFG_BR6_PRELIM;
+ csctrl->cs_or6 = CFG_OR6_PRELIM;
#endif
#if defined(CFG_OR7_PRELIM) && defined(CFG_BR7_PRELIM)
- regp->csctrl_reg.cs_br7 = CFG_BR7_PRELIM;
- regp->csctrl_reg.cs_or7 = CFG_OR7_PRELIM;
+ csctrl->cs_br7 = CFG_BR7_PRELIM;
+ csctrl->cs_or7 = CFG_OR7_PRELIM;
#endif
-#endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
+#endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
/* enable instruction cache now */
icache_enable();
@@ -159,14 +222,30 @@ void cpu_init_f (void)
/*
* initialize higher level parts of CPU like timers
*/
-int cpu_init_r (void)
+int cpu_init_r(void)
{
return (0);
}
-#endif /* #if defined(CONFIG_M5272) */
+void uart_port_conf(void)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-#ifdef CONFIG_M5282
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ gpio->gpio_pbcnt &= ~(GPIO_PBCNT_PB0MSK | GPIO_PBCNT_PB1MSK);
+ gpio->gpio_pbcnt |= (GPIO_PBCNT_URT0_TXD | GPIO_PBCNT_URT0_RXD);
+ break;
+ case 1:
+ gpio->gpio_pdcnt &= ~(GPIO_PDCNT_PD1MSK | GPIO_PDCNT_PD4MSK);
+ gpio->gpio_pdcnt |= (GPIO_PDCNT_URT1_RXD | GPIO_PDCNT_URT1_TXD);
+ break;
+ }
+}
+#endif /* #if defined(CONFIG_M5272) */
+
+#if defined(CONFIG_M5282)
/*
* Breath some life into the CPU...
*
@@ -174,7 +253,7 @@ int cpu_init_r (void)
* initialize a bunch of registers,
* initialize the UPM's
*/
-void cpu_init_f (void)
+void cpu_init_f(void)
{
#ifndef CONFIG_WATCHDOG
/* disable watchdog if we aren't using it */
@@ -183,7 +262,11 @@ void cpu_init_f (void)
#ifndef CONFIG_MONITOR_IS_IN_RAM
/* Set speed /PLL */
- MCFCLOCK_SYNCR = MCFCLOCK_SYNCR_MFD(CFG_MFD) | MCFCLOCK_SYNCR_RFD(CFG_RFD);
+ MCFCLOCK_SYNCR =
+ MCFCLOCK_SYNCR_MFD(CFG_MFD) | MCFCLOCK_SYNCR_RFD(CFG_RFD);
+ while (!(MCFCLOCK_SYNSR & MCFCLOCK_SYNSR_LOCK)) ;
+
+ MCFGPIO_PBCDPAR = 0xc0;
/* Set up the GPIO ports */
#ifdef CFG_PEPAR
@@ -228,29 +311,28 @@ void cpu_init_f (void)
defined(CFG_CS0_WIDTH) & defined(CFG_CS0_RO) & \
defined(CFG_CS0_WS)
- MCFCSM_CSAR0 = (CFG_CS0_BASE >> 16) & 0xFFFF;
-
- #if (CFG_CS0_WIDTH == 8)
- #define CFG_CS0_PS MCFCSM_CSCR_PS_8
- #elif (CFG_CS0_WIDTH == 16)
- #define CFG_CS0_PS MCFCSM_CSCR_PS_16
- #elif (CFG_CS0_WIDTH == 32)
- #define CFG_CS0_PS MCFCSM_CSCR_PS_32
- #else
- #error "CFG_CS0_WIDTH: Fault - wrong bus with for CS0"
- #endif
- MCFCSM_CSCR0 = MCFCSM_CSCR_WS(CFG_CS0_WS)
- |CFG_CS0_PS
- |MCFCSM_CSCR_AA;
-
- #if (CFG_CS0_RO != 0)
- MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE-1)
- |MCFCSM_CSMR_WP|MCFCSM_CSMR_V;
- #else
- MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE-1)|MCFCSM_CSMR_V;
- #endif
+ MCFCSM_CSAR0 = (CFG_CS0_BASE >> 16) & 0xFFFF;
+
+#if (CFG_CS0_WIDTH == 8)
+#define CFG_CS0_PS MCFCSM_CSCR_PS_8
+#elif (CFG_CS0_WIDTH == 16)
+#define CFG_CS0_PS MCFCSM_CSCR_PS_16
+#elif (CFG_CS0_WIDTH == 32)
+#define CFG_CS0_PS MCFCSM_CSCR_PS_32
+#else
+#error "CFG_CS0_WIDTH: Fault - wrong bus with for CS0"
+#endif
+ MCFCSM_CSCR0 = MCFCSM_CSCR_WS(CFG_CS0_WS)
+ | CFG_CS0_PS | MCFCSM_CSCR_AA;
+
+#if (CFG_CS0_RO != 0)
+ MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE - 1)
+ | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
#else
- #waring "Chip Select 0 are not initialized/used"
+ MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE - 1) | MCFCSM_CSMR_V;
+#endif
+#else
+#waring "Chip Select 0 are not initialized/used"
#endif
#if defined(CFG_CS1_BASE) & defined(CFG_CS1_SIZE) & \
@@ -259,29 +341,27 @@ void cpu_init_f (void)
MCFCSM_CSAR1 = (CFG_CS1_BASE >> 16) & 0xFFFF;
- #if (CFG_CS1_WIDTH == 8)
- #define CFG_CS1_PS MCFCSM_CSCR_PS_8
- #elif (CFG_CS1_WIDTH == 16)
- #define CFG_CS1_PS MCFCSM_CSCR_PS_16
- #elif (CFG_CS1_WIDTH == 32)
- #define CFG_CS1_PS MCFCSM_CSCR_PS_32
- #else
- #error "CFG_CS1_WIDTH: Fault - wrong bus with for CS1"
- #endif
- MCFCSM_CSCR1 = MCFCSM_CSCR_WS(CFG_CS1_WS)
- |CFG_CS1_PS
- |MCFCSM_CSCR_AA;
-
- #if (CFG_CS1_RO != 0)
- MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE-1)
- |MCFCSM_CSMR_WP
- |MCFCSM_CSMR_V;
- #else
- MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE-1)
- |MCFCSM_CSMR_V;
- #endif
+#if (CFG_CS1_WIDTH == 8)
+#define CFG_CS1_PS MCFCSM_CSCR_PS_8
+#elif (CFG_CS1_WIDTH == 16)
+#define CFG_CS1_PS MCFCSM_CSCR_PS_16
+#elif (CFG_CS1_WIDTH == 32)
+#define CFG_CS1_PS MCFCSM_CSCR_PS_32
+#else
+#error "CFG_CS1_WIDTH: Fault - wrong bus with for CS1"
+#endif
+ MCFCSM_CSCR1 = MCFCSM_CSCR_WS(CFG_CS1_WS)
+ | CFG_CS1_PS | MCFCSM_CSCR_AA;
+
+#if (CFG_CS1_RO != 0)
+ MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE - 1)
+ | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
+#else
+ MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE - 1)
+ | MCFCSM_CSMR_V;
+#endif
#else
- #warning "Chip Select 1 are not initialized/used"
+#warning "Chip Select 1 are not initialized/used"
#endif
#if defined(CFG_CS2_BASE) & defined(CFG_CS2_SIZE) & \
@@ -290,29 +370,27 @@ void cpu_init_f (void)
MCFCSM_CSAR2 = (CFG_CS2_BASE >> 16) & 0xFFFF;
- #if (CFG_CS2_WIDTH == 8)
- #define CFG_CS2_PS MCFCSM_CSCR_PS_8
- #elif (CFG_CS2_WIDTH == 16)
- #define CFG_CS2_PS MCFCSM_CSCR_PS_16
- #elif (CFG_CS2_WIDTH == 32)
- #define CFG_CS2_PS MCFCSM_CSCR_PS_32
- #else
- #error "CFG_CS2_WIDTH: Fault - wrong bus with for CS2"
- #endif
- MCFCSM_CSCR2 = MCFCSM_CSCR_WS(CFG_CS2_WS)
- |CFG_CS2_PS
- |MCFCSM_CSCR_AA;
-
- #if (CFG_CS2_RO != 0)
- MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE-1)
- |MCFCSM_CSMR_WP
- |MCFCSM_CSMR_V;
- #else
- MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE-1)
- |MCFCSM_CSMR_V;
- #endif
+#if (CFG_CS2_WIDTH == 8)
+#define CFG_CS2_PS MCFCSM_CSCR_PS_8
+#elif (CFG_CS2_WIDTH == 16)
+#define CFG_CS2_PS MCFCSM_CSCR_PS_16
+#elif (CFG_CS2_WIDTH == 32)
+#define CFG_CS2_PS MCFCSM_CSCR_PS_32
#else
- #warning "Chip Select 2 are not initialized/used"
+#error "CFG_CS2_WIDTH: Fault - wrong bus with for CS2"
+#endif
+ MCFCSM_CSCR2 = MCFCSM_CSCR_WS(CFG_CS2_WS)
+ | CFG_CS2_PS | MCFCSM_CSCR_AA;
+
+#if (CFG_CS2_RO != 0)
+ MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE - 1)
+ | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
+#else
+ MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE - 1)
+ | MCFCSM_CSMR_V;
+#endif
+#else
+#warning "Chip Select 2 are not initialized/used"
#endif
#if defined(CFG_CS3_BASE) & defined(CFG_CS3_SIZE) & \
@@ -321,32 +399,30 @@ void cpu_init_f (void)
MCFCSM_CSAR3 = (CFG_CS3_BASE >> 16) & 0xFFFF;
- #if (CFG_CS3_WIDTH == 8)
- #define CFG_CS3_PS MCFCSM_CSCR_PS_8
- #elif (CFG_CS3_WIDTH == 16)
- #define CFG_CS3_PS MCFCSM_CSCR_PS_16
- #elif (CFG_CS3_WIDTH == 32)
- #define CFG_CS3_PS MCFCSM_CSCR_PS_32
- #else
- #error "CFG_CS3_WIDTH: Fault - wrong bus with for CS1"
- #endif
- MCFCSM_CSCR3 = MCFCSM_CSCR_WS(CFG_CS3_WS)
- |CFG_CS3_PS
- |MCFCSM_CSCR_AA;
-
- #if (CFG_CS3_RO != 0)
- MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE-1)
- |MCFCSM_CSMR_WP
- |MCFCSM_CSMR_V;
- #else
- MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE-1)
- |MCFCSM_CSMR_V;
- #endif
+#if (CFG_CS3_WIDTH == 8)
+#define CFG_CS3_PS MCFCSM_CSCR_PS_8
+#elif (CFG_CS3_WIDTH == 16)
+#define CFG_CS3_PS MCFCSM_CSCR_PS_16
+#elif (CFG_CS3_WIDTH == 32)
+#define CFG_CS3_PS MCFCSM_CSCR_PS_32
#else
- #warning "Chip Select 3 are not initialized/used"
+#error "CFG_CS3_WIDTH: Fault - wrong bus with for CS1"
#endif
+ MCFCSM_CSCR3 = MCFCSM_CSCR_WS(CFG_CS3_WS)
+ | CFG_CS3_PS | MCFCSM_CSCR_AA;
-#endif /* CONFIG_MONITOR_IS_IN_RAM */
+#if (CFG_CS3_RO != 0)
+ MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE - 1)
+ | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
+#else
+ MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE - 1)
+ | MCFCSM_CSMR_V;
+#endif
+#else
+#warning "Chip Select 3 are not initialized/used"
+#endif
+
+#endif /* CONFIG_MONITOR_IS_IN_RAM */
/* defer enabling cache until boot (see do_go) */
/* icache_enable(); */
@@ -355,10 +431,29 @@ void cpu_init_f (void)
/*
* initialize higher level parts of CPU like timers
*/
-int cpu_init_r (void)
+int cpu_init_r(void)
{
return (0);
}
+
+void uart_port_conf(void)
+{
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ MCFGPIO_PUAPAR &= 0xFc;
+ MCFGPIO_PUAPAR |= 0x03;
+ break;
+ case 1:
+ MCFGPIO_PUAPAR &= 0xF3;
+ MCFGPIO_PUAPAR |= 0x0C;
+ break;
+ case 2:
+ MCFGPIO_PASPAR &= 0xFF0F;
+ MCFGPIO_PASPAR |= 0x00A0;
+ break;
+ }
+}
#endif
#if defined(CONFIG_M5249)
@@ -369,33 +464,13 @@ int cpu_init_r (void)
* initialize a bunch of registers,
* initialize the UPM's
*/
-void cpu_init_f (void)
+void cpu_init_f(void)
{
-#ifndef CFG_PLL_BYPASS
- /*
- * Setup the PLL to run at the specified speed
- *
- */
- volatile unsigned long cpll = mbar2_readLong(MCFSIM_PLLCR);
- unsigned long pllcr;
-#ifdef CFG_FAST_CLK
- pllcr = 0x925a3100; /* ~140MHz clock (PLL bypass = 0) */
-#else
- pllcr = 0x135a4140; /* ~72MHz clock (PLL bypass = 0) */
-#endif
- cpll = cpll & 0xfffffffe; /* Set PLL bypass mode = 0 (PSTCLK = crystal) */
- mbar2_writeLong(MCFSIM_PLLCR, cpll); /* Set the PLL to bypass mode (PSTCLK = crystal) */
- mbar2_writeLong(MCFSIM_PLLCR, pllcr); /* set the clock speed */
- pllcr ^= 0x00000001; /* Set pll bypass to 1 */
- mbar2_writeLong(MCFSIM_PLLCR, pllcr); /* Start locking (pll bypass = 1) */
- udelay(0x20); /* Wait for a lock ... */
-#endif /* #ifndef CFG_PLL_BYPASS */
-
/*
* NOTE: by setting the GPIO_FUNCTION registers, we ensure that the UART pins
- * (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins
- * which is their primary function.
- * ~Jeremy
+ * (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins
+ * which is their primary function.
+ * ~Jeremy
*/
mbar2_writeLong(MCFSIM_GPIO_FUNC, CFG_GPIO_FUNC);
mbar2_writeLong(MCFSIM_GPIO1_FUNC, CFG_GPIO1_FUNC);
@@ -411,7 +486,7 @@ void cpu_init_f (void)
* ~Jeremy
*
*/
- mbar_writeByte(MCFSIM_MPARK, 0x30); /* 5249 Internal Core takes priority over DMA */
+ mbar_writeByte(MCFSIM_MPARK, 0x30); /* 5249 Internal Core takes priority over DMA */
mbar_writeByte(MCFSIM_SYPCR, 0x00);
mbar_writeByte(MCFSIM_SWIVR, 0x0f);
mbar_writeByte(MCFSIM_SWSR, 0x00);
@@ -431,7 +506,7 @@ void cpu_init_f (void)
mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */
mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
- mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); /* Enable a 1 cycle pre-drive cycle on CS1 */
+ mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); /* Enable a 1 cycle pre-drive cycle on CS1 */
/* Setup interrupt priorities for gpio7 */
/* mbar2_writeLong(MCFSIM_INTLEV5, 0x70000000); */
@@ -459,8 +534,19 @@ void cpu_init_f (void)
/*
* initialize higher level parts of CPU like timers
*/
-int cpu_init_r (void)
+int cpu_init_r(void)
{
return (0);
}
-#endif /* #if defined(CONFIG_M5249) */
+
+void uart_port_conf(void)
+{
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ break;
+ case 1:
+ break;
+ }
+}
+#endif /* #if defined(CONFIG_M5249) */
diff --git a/cpu/mcf52x2/fec.c b/cpu/mcf52x2/fec.c
deleted file mode 100644
index ef9c7984ca..0000000000
--- a/cpu/mcf52x2/fec.c
+++ /dev/null
@@ -1,605 +0,0 @@
-/*
- * (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 <common.h>
-#include <malloc.h>
-#include <asm/fec.h>
-
-#ifdef CONFIG_M5271
-#include <asm/m5271.h>
-#include <asm/immap_5271.h>
-#endif
-
-#ifdef CONFIG_M5272
-#include <asm/m5272.h>
-#include <asm/immap_5272.h>
-#endif
-
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#include <asm/immap_5282.h>
-#endif
-
-#include <net.h>
-#include <command.h>
-
-#ifdef CONFIG_M5272
-#define FEC_ADDR (CFG_MBAR + 0x840)
-#endif
-#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
-#define FEC_ADDR (CFG_MBAR + 0x1000)
-#endif
-
-#undef ET_DEBUG
-#undef MII_DEBUG
-
-#if defined(CONFIG_CMD_NET) && defined(FEC_ENET)
-
-#ifdef CFG_DISCOVER_PHY
-#include <miiphy.h>
-static void mii_discover_phy (void);
-#endif
-
-/* Ethernet Transmit and Receive Buffers */
-#define DBUF_LENGTH 1520
-
-#define TX_BUF_CNT 2
-
-#define TOUT_LOOP 100
-
-#define PKT_MAXBUF_SIZE 1518
-#define PKT_MINBUF_SIZE 64
-#define PKT_MAXBLR_SIZE 1520
-
-
-static char txbuf[DBUF_LENGTH];
-
-static uint rxIdx; /* index of the current RX buffer */
-static uint txIdx; /* index of the current TX buffer */
-
-/*
- * FEC Ethernet Tx and Rx buffer descriptors allocated at the
- * immr->udata_bd address on Dual-Port RAM
- * Provide for Double Buffering
- */
-
-typedef volatile struct CommonBufferDescriptor {
- cbd_t rxbd[PKTBUFSRX]; /* Rx BD */
- cbd_t txbd[TX_BUF_CNT]; /* Tx BD */
-} RTXBD;
-
-static RTXBD *rtx = NULL;
-
-int eth_send (volatile void *packet, int length)
-{
- int j, rc;
- volatile fec_t *fecp = (fec_t *) (FEC_ADDR);
-
- /* section 16.9.23.3
- * Wait for ready
- */
- j = 0;
- while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY)
- && (j < TOUT_LOOP)) {
- udelay (1);
- j++;
- }
- if (j >= TOUT_LOOP) {
- printf ("TX not ready\n");
- }
-
- rtx->txbd[txIdx].cbd_bufaddr = (uint) packet;
- rtx->txbd[txIdx].cbd_datlen = length;
- rtx->txbd[txIdx].cbd_sc |= BD_ENET_TX_READY | BD_ENET_TX_LAST;
-
- /* Activate transmit Buffer Descriptor polling */
- fecp->fec_x_des_active = 0x01000000; /* Descriptor polling active */
-
- j = 0;
- while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY)
- && (j < TOUT_LOOP)) {
- udelay (1);
- j++;
- }
- if (j >= TOUT_LOOP) {
- printf ("TX timeout\n");
- }
-#ifdef ET_DEBUG
- printf ("%s[%d] %s: cycles: %d status: %x retry cnt: %d\n",
- __FILE__, __LINE__, __FUNCTION__, j, rtx->txbd[txIdx].cbd_sc,
- (rtx->txbd[txIdx].cbd_sc & 0x003C) >> 2);
-#endif
-
- /* return only status bits */ ;
- rc = (rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_STATS);
-
- txIdx = (txIdx + 1) % TX_BUF_CNT;
-
- return rc;
-}
-
-int eth_rx (void)
-{
- int length;
- volatile fec_t *fecp = (fec_t *) FEC_ADDR;
-
- for (;;) {
- /* section 16.9.23.2 */
- if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) {
- length = -1;
- break; /* nothing received - leave for() loop */
- }
-
- length = rtx->rxbd[rxIdx].cbd_datlen;
-
- if (rtx->rxbd[rxIdx].cbd_sc & 0x003f) {
-#ifdef ET_DEBUG
- printf ("%s[%d] err: %x\n",
- __FUNCTION__, __LINE__,
- rtx->rxbd[rxIdx].cbd_sc);
-#endif
- } else {
- /* Pass the packet up to the protocol layers. */
- NetReceive (NetRxPackets[rxIdx], length - 4);
- }
-
- /* Give the buffer back to the FEC. */
- rtx->rxbd[rxIdx].cbd_datlen = 0;
-
- /* wrap around buffer index when necessary */
- if ((rxIdx + 1) >= PKTBUFSRX) {
- rtx->rxbd[PKTBUFSRX - 1].cbd_sc =
- (BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY);
- rxIdx = 0;
- } else {
- rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY;
- rxIdx++;
- }
-
- /* Try to fill Buffer Descriptors */
- fecp->fec_r_des_active = 0x01000000; /* Descriptor polling active */
- }
-
- return length;
-}
-
-/**************************************************************
- *
- * FEC Ethernet Initialization Routine
- *
- *************************************************************/
-#define FEC_ECNTRL_ETHER_EN 0x00000002
-#define FEC_ECNTRL_RESET 0x00000001
-
-#define FEC_RCNTRL_BC_REJ 0x00000010
-#define FEC_RCNTRL_PROM 0x00000008
-#define FEC_RCNTRL_MII_MODE 0x00000004
-#define FEC_RCNTRL_DRT 0x00000002
-#define FEC_RCNTRL_LOOP 0x00000001
-
-#define FEC_TCNTRL_FDEN 0x00000004
-#define FEC_TCNTRL_HBC 0x00000002
-#define FEC_TCNTRL_GTS 0x00000001
-
-#define FEC_RESET_DELAY 50000
-
-int eth_init (bd_t * bd)
-{
-#ifndef CFG_ENET_BD_BASE
- DECLARE_GLOBAL_DATA_PTR;
-#endif
- int i;
- volatile fec_t *fecp = (fec_t *) (FEC_ADDR);
-
- /* Whack a reset.
- * A delay is required between a reset of the FEC block and
- * initialization of other FEC registers because the reset takes
- * some time to complete. If you don't delay, subsequent writes
- * to FEC registers might get killed by the reset routine which is
- * still in progress.
- */
- fecp->fec_ecntrl = FEC_ECNTRL_RESET;
- for (i = 0;
- (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY);
- ++i) {
- udelay (1);
- }
- if (i == FEC_RESET_DELAY) {
- printf ("FEC_RESET_DELAY timeout\n");
- return 0;
- }
-
- /* We use strictly polling mode only
- */
- fecp->fec_imask = 0;
-
- /* Clear any pending interrupt */
- fecp->fec_ievent = 0xffffffff;
-
- /* Set station address */
-#define ea bd->bi_enetaddr
- fecp->fec_addr_low = (ea[0] << 24) | (ea[1] << 16) |
- (ea[2] << 8) | (ea[3]);
- fecp->fec_addr_high = (ea[4] << 24) | (ea[5] << 16);
-#ifdef ET_DEBUG
- printf ("Eth Addrs: %02x:%02x:%02x:%02x:%02x:%02x\n",
- ea[0], ea[1], ea[2], ea[3], ea[4], ea[5]);
-#endif
-#undef ea
-
-#ifdef CONFIG_M5271
- /* Clear multicast address hash table
- */
- fecp->fec_ghash_table_high = 0;
- fecp->fec_ghash_table_low = 0;
-
- /* Clear individual address hash table
- */
- fecp->fec_ihash_table_high = 0;
- fecp->fec_ihash_table_low = 0;
-#else
- /* Clear multicast address hash table
- */
-#ifdef CONFIG_M5282
- fecp->fec_ihash_table_high = 0;
- fecp->fec_ihash_table_low = 0;
-#else
- fecp->fec_hash_table_high = 0;
- fecp->fec_hash_table_low = 0;
-#endif
-#endif
-
- /* Set maximum receive buffer size.
- */
- fecp->fec_r_buff_size = PKT_MAXBLR_SIZE;
-
- /*
- * Setup Buffers and Buffer Desriptors
- */
- rxIdx = 0;
- txIdx = 0;
-
- if (!rtx) {
-#ifdef CFG_ENET_BD_BASE
- rtx = (RTXBD *) CFG_ENET_BD_BASE;
-#else
- rtx = (RTXBD *) (CFG_MONITOR_BASE+gd->reloc_off -
- (((PKTBUFSRX+TX_BUF_CNT)*+sizeof(cbd_t)
- +0xFF)
- & ~0xFF)
- );
- debug("set ENET_DB_BASE to %lX\n",(long) rtx);
-#endif
- }
-
- /*
- * Setup Receiver Buffer Descriptors (13.14.24.18)
- * Settings:
- * Empty, Wrap
- */
- for (i = 0; i < PKTBUFSRX; i++) {
- rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY;
- rtx->rxbd[i].cbd_datlen = 0; /* Reset */
- rtx->rxbd[i].cbd_bufaddr = (uint) NetRxPackets[i];
- }
- rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP;
-
- /*
- * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19)
- * Settings:
- * Last, Tx CRC
- */
- for (i = 0; i < TX_BUF_CNT; i++) {
- rtx->txbd[i].cbd_sc = BD_ENET_TX_LAST | BD_ENET_TX_TC;
- rtx->txbd[i].cbd_datlen = 0; /* Reset */
- rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]);
- }
- rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP;
-
- /* Set receive and transmit descriptor base
- */
- fecp->fec_r_des_start = (unsigned int) (&rtx->rxbd[0]);
- fecp->fec_x_des_start = (unsigned int) (&rtx->txbd[0]);
-
- /* Enable MII mode
- */
-
-#if 0 /* Full duplex mode */
- fecp->fec_r_cntrl = FEC_RCNTRL_MII_MODE;
- fecp->fec_x_cntrl = FEC_TCNTRL_FDEN;
-#else /* Half duplex mode */
- fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE << 16); /* set max frame length */
- fecp->fec_r_cntrl |= FEC_RCNTRL_MII_MODE | FEC_RCNTRL_DRT;
- fecp->fec_x_cntrl = 0;
-#endif
- /* Set MII speed */
- fecp->fec_mii_speed = (((CFG_CLK / 2) / (2500000 / 10)) + 5) / 10;
- fecp->fec_mii_speed *= 2;
-
- /* Configure port B for MII.
- */
- /* port initialization was already made in cpu_init_f() */
-
- /* Now enable the transmit and receive processing
- */
- fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN;
-
-#ifdef CFG_DISCOVER_PHY
- /* wait for the PHY to wake up after reset */
- mii_discover_phy ();
-#endif
-
- /* And last, try to fill Rx Buffer Descriptors */
- fecp->fec_r_des_active = 0x01000000; /* Descriptor polling active */
-
- return 1;
-}
-
-void eth_halt (void)
-{
- volatile fec_t *fecp = (fec_t *) FEC_ADDR;
-
- fecp->fec_ecntrl = 0;
-}
-
-
-#if defined(CFG_DISCOVER_PHY) || defined(CONFIG_CMD_MII)
-
-static int phyaddr = -1; /* didn't find a PHY yet */
-static uint phytype;
-
-/* Make MII read/write commands for the FEC.
-*/
-
-#define mk_mii_read(ADDR, REG) (0x60020000 | ((ADDR << 23) | \
- (REG & 0x1f) << 18))
-
-#define mk_mii_write(ADDR, REG, VAL) (0x50020000 | ((ADDR << 23) | \
- (REG & 0x1f) << 18) | \
- (VAL & 0xffff))
-
-/* Interrupt events/masks.
-*/
-#define FEC_ENET_HBERR ((uint)0x80000000) /* Heartbeat error */
-#define FEC_ENET_BABR ((uint)0x40000000) /* Babbling receiver */
-#define FEC_ENET_BABT ((uint)0x20000000) /* Babbling transmitter */
-#define FEC_ENET_GRA ((uint)0x10000000) /* Graceful stop complete */
-#define FEC_ENET_TXF ((uint)0x08000000) /* Full frame transmitted */
-#define FEC_ENET_TXB ((uint)0x04000000) /* A buffer was transmitted */
-#define FEC_ENET_RXF ((uint)0x02000000) /* Full frame received */
-#define FEC_ENET_RXB ((uint)0x01000000) /* A buffer was received */
-#define FEC_ENET_MII ((uint)0x00800000) /* MII interrupt */
-#define FEC_ENET_EBERR ((uint)0x00400000) /* SDMA bus error */
-
-/* PHY identification
- */
-#define PHY_ID_LXT970 0x78100000 /* LXT970 */
-#define PHY_ID_LXT971 0x001378e0 /* LXT971 and 972 */
-#define PHY_ID_82555 0x02a80150 /* Intel 82555 */
-#define PHY_ID_QS6612 0x01814400 /* QS6612 */
-#define PHY_ID_AMD79C784 0x00225610 /* AMD 79C784 */
-#define PHY_ID_LSI80225 0x0016f870 /* LSI 80225 */
-#define PHY_ID_LSI80225B 0x0016f880 /* LSI 80225/B */
-
-/* send command to phy using mii, wait for result */
-static uint mii_send (uint mii_cmd)
-{
- uint mii_reply;
- volatile fec_t *ep = (fec_t *) (FEC_ADDR);
-
- ep->fec_mii_data = mii_cmd; /* command to phy */
-
- /* wait for mii complete */
- while (!(ep->fec_ievent & FEC_ENET_MII)); /* spin until done */
- mii_reply = ep->fec_mii_data; /* result from phy */
- ep->fec_ievent = FEC_ENET_MII; /* clear MII complete */
-#ifdef ET_DEBUG
- printf ("%s[%d] %s: sent=0x%8.8x, reply=0x%8.8x\n",
- __FILE__, __LINE__, __FUNCTION__, mii_cmd, mii_reply);
-#endif
- return (mii_reply & 0xffff); /* data read from phy */
-}
-#endif
-
-#if defined(CFG_DISCOVER_PHY)
-static void mii_discover_phy (void)
-{
-#define MAX_PHY_PASSES 11
- uint phyno;
- int pass;
-
- phyaddr = -1; /* didn't find a PHY yet */
- for (pass = 1; pass <= MAX_PHY_PASSES && phyaddr < 0; ++pass) {
- if (pass > 1) {
- /* PHY may need more time to recover from reset.
- * The LXT970 needs 50ms typical, no maximum is
- * specified, so wait 10ms before try again.
- * With 11 passes this gives it 100ms to wake up.
- */
- udelay (10000); /* wait 10ms */
- }
- for (phyno = 1; phyno < 32 && phyaddr < 0; ++phyno) {
- phytype = mii_send (mk_mii_read (phyno, PHY_PHYIDR1));
-#ifdef ET_DEBUG
- printf ("PHY type 0x%x pass %d type ", phytype, pass);
-#endif
- if (phytype != 0xffff) {
- phyaddr = phyno;
- phytype <<= 16;
- phytype |= mii_send (mk_mii_read (phyno,
- PHY_PHYIDR2));
-
-#ifdef ET_DEBUG
- printf ("PHY @ 0x%x pass %d type ", phyno,
- pass);
- switch (phytype & 0xfffffff0) {
- case PHY_ID_LXT970:
- printf ("LXT970\n");
- break;
- case PHY_ID_LXT971:
- printf ("LXT971\n");
- break;
- case PHY_ID_82555:
- printf ("82555\n");
- break;
- case PHY_ID_QS6612:
- printf ("QS6612\n");
- break;
- case PHY_ID_AMD79C784:
- printf ("AMD79C784\n");
- break;
- case PHY_ID_LSI80225B:
- printf ("LSI L80225/B\n");
- break;
- default:
- printf ("0x%08x\n", phytype);
- break;
- }
-#endif
- }
- }
- }
- if (phyaddr < 0) {
- printf ("No PHY device found.\n");
- }
-}
-#endif /* CFG_DISCOVER_PHY */
-
-#if defined(CONFIG_CMD_MII) && !defined(CONFIG_BITBANGMII)
-
-static int mii_init_done = 0;
-
-/****************************************************************************
- * mii_init -- Initialize the MII for MII command without ethernet
- * This function is a subset of eth_init
- ****************************************************************************
- */
-void mii_init (void)
-{
- volatile fec_t *fecp = (fec_t *) (FEC_ADDR);
-
- int i;
-
- if (mii_init_done != 0) {
- return;
- }
-
- /* Whack a reset.
- * A delay is required between a reset of the FEC block and
- * initialization of other FEC registers because the reset takes
- * some time to complete. If you don't delay, subsequent writes
- * to FEC registers might get killed by the reset routine which is
- * still in progress.
- */
-
- fecp->fec_ecntrl = FEC_ECNTRL_RESET;
- for (i = 0;
- (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY);
- ++i) {
- udelay (1);
- }
- if (i == FEC_RESET_DELAY) {
- printf ("FEC_RESET_DELAY timeout\n");
- return;
- }
-
- /* We use strictly polling mode only
- */
- fecp->fec_imask = 0;
-
- /* Clear any pending interrupt
- */
- fecp->fec_ievent = 0xffffffff;
-
- /* Set MII speed */
- fecp->fec_mii_speed = 0x0e;
-
- /* Configure port B for MII.
- */
- /* port initialization was already made in cpu_init_f() */
-
- /* Now enable the transmit and receive processing */
- fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN;
-
- mii_init_done = 1;
-}
-
-/*****************************************************************************
- * Read and write a MII PHY register, routines used by MII Utilities
- *
- * FIXME: These routines are expected to return 0 on success, but mii_send
- * does _not_ return an error code. Maybe 0xFFFF means error, i.e.
- * no PHY connected...
- * For now always return 0.
- * FIXME: These routines only work after calling eth_init() at least once!
- * Otherwise they hang in mii_send() !!! Sorry!
- *****************************************************************************/
-
-int mcf52x2_miiphy_read (char *devname, unsigned char addr,
- unsigned char reg, unsigned short *value)
-{
- short rdreg; /* register working value */
-
-#ifdef MII_DEBUG
- printf ("miiphy_read(0x%x) @ 0x%x = ", reg, addr);
-#endif
- rdreg = mii_send (mk_mii_read (addr, reg));
-
- *value = rdreg;
-
-#ifdef MII_DEBUG
- printf ("0x%04x\n", *value);
-#endif
-
- return 0;
-}
-
-int mcf52x2_miiphy_write (char *devname, unsigned char addr,
- unsigned char reg, unsigned short value)
-{
- short rdreg; /* register working value */
-
-#ifdef MII_DEBUG
- printf ("miiphy_write(0x%x) @ 0x%x = ", reg, addr);
-#endif
-
- rdreg = mii_send (mk_mii_write (addr, reg, value));
-
-#ifdef MII_DEBUG
- printf ("0x%04x\n", value);
-#endif
-
- return 0;
-}
-#endif
-#endif
-
-int mcf52x2_miiphy_initialize(bd_t *bis)
-{
-#if defined(CONFIG_CMD_NET) && defined(FEC_ENET)
-#if defined(CONFIG_CMD_MII) && !defined(CONFIG_BITBANGMII)
- miiphy_register("mcf52x2phy", mcf52x2_miiphy_read, mcf52x2_miiphy_write);
-#endif
-#endif
- return 0;
-}
diff --git a/cpu/mcf52x2/interrupts.c b/cpu/mcf52x2/interrupts.c
index 116747ad3a..2ccbde587e 100644
--- a/cpu/mcf52x2/interrupts.c
+++ b/cpu/mcf52x2/interrupts.c
@@ -1,9 +1,10 @@
/*
- * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
- *
* (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.
*
@@ -26,168 +27,75 @@
#include <common.h>
#include <watchdog.h>
#include <asm/processor.h>
-
-#ifdef CONFIG_M5271
-#include <asm/m5271.h>
-#include <asm/immap_5271.h>
-#endif
+#include <asm/immap.h>
#ifdef CONFIG_M5272
-#include <asm/m5272.h>
-#include <asm/immap_5272.h>
-#endif
-
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#include <asm/immap_5282.h>
-#endif
-
-#ifdef CONFIG_M5249
-#include <asm/m5249.h>
-#endif
-
-
-#define NR_IRQS 31
-
-/*
- * Interrupt vector functions.
- */
-struct interrupt_action {
- interrupt_handler_t *handler;
- void *arg;
-};
-
-static struct interrupt_action irq_vecs[NR_IRQS];
-
-static __inline__ unsigned short get_sr (void)
+int interrupt_init(void)
{
- unsigned short sr;
-
- asm volatile ("move.w %%sr,%0":"=r" (sr):);
+ volatile intctrl_t *intp = (intctrl_t *) (MMAP_INTC);
- return sr;
-}
-
-static __inline__ void set_sr (unsigned short sr)
-{
- asm volatile ("move.w %0,%%sr"::"r" (sr));
-}
-
-/************************************************************************/
-/*
- * Install and free an interrupt handler
- */
-void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
-{
-#ifdef CONFIG_M5272
- volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-#endif
- int vec_base = 0;
-
-#ifdef CONFIG_M5272
- vec_base = intp->int_pivr & 0xe0;
-#endif
-
- if ((vec < vec_base) || (vec > vec_base + NR_IRQS)) {
- printf ("irq_install_handler: wrong interrupt vector %d\n",
- vec);
- return;
- }
-
- irq_vecs[vec - vec_base].handler = handler;
- irq_vecs[vec - vec_base].arg = arg;
-}
-
-void irq_free_handler (int vec)
-{
-#ifdef CONFIG_M5272
- volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-#endif
- int vec_base = 0;
-
-#ifdef CONFIG_M5272
- vec_base = intp->int_pivr & 0xe0;
-#endif
+ /* disable all external interrupts */
+ intp->int_icr1 = 0x88888888;
+ intp->int_icr2 = 0x88888888;
+ intp->int_icr3 = 0x88888888;
+ intp->int_icr4 = 0x88888888;
+ intp->int_pitr = 0x00000000;
+ /* initialize vector register */
+ intp->int_pivr = 0x40;
- if ((vec < vec_base) || (vec > vec_base + NR_IRQS)) {
- return;
- }
+ enable_interrupts();
- irq_vecs[vec - vec_base].handler = NULL;
- irq_vecs[vec - vec_base].arg = NULL;
+ return 0;
}
-void enable_interrupts (void)
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
{
- unsigned short sr;
+ volatile intctrl_t *intp = (intctrl_t *) (CFG_INTR_BASE);
- sr = get_sr ();
- set_sr (sr & ~0x0700);
+ intp->int_icr1 &= ~INT_ICR1_TMR3MASK;
+ intp->int_icr1 |= CFG_TMRINTR_PRI;
}
+#endif /* CONFIG_MCFTMR */
+#endif /* CONFIG_M5272 */
-int disable_interrupts (void)
+#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
+int interrupt_init(void)
{
- unsigned short sr;
+ volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
- sr = get_sr ();
- set_sr (sr | 0x0700);
+ /* Make sure all interrupts are disabled */
+ intp->imrl0 |= 0x1;
- return ((sr & 0x0700) == 0); /* return TRUE, if interrupts were enabled before */
+ enable_interrupts();
+ return 0;
}
-void int_handler (struct pt_regs *fp)
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
{
-#ifdef CONFIG_M5272
- volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-#endif
- int vec, vec_base = 0;
-
- vec = (fp->vector >> 2) & 0xff;
-#ifdef CONFIG_M5272
- vec_base = intp->int_pivr & 0xe0;
-#endif
+ volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
- if (irq_vecs[vec - vec_base].handler != NULL) {
- irq_vecs[vec -
- vec_base].handler (irq_vecs[vec - vec_base].arg);
- } else {
- printf ("\nBogus External Interrupt Vector %d\n", vec);
- }
+ intp->icr0[CFG_TMRINTR_NO] = CFG_TMRINTR_PRI;
+ intp->imrl0 &= ~0xFFFFFFFE;
+ intp->imrl0 &= ~CFG_TMRINTR_MASK;
}
+#endif /* CONFIG_MCFTMR */
+#endif /* CONFIG_M5282 | CONFIG_M5271 */
-
-#ifdef CONFIG_M5272
-int interrupt_init (void)
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
+int interrupt_init(void)
{
- volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-
- /* disable all external interrupts */
- intp->int_icr1 = 0x88888888;
- intp->int_icr2 = 0x88888888;
- intp->int_icr3 = 0x88888888;
- intp->int_icr4 = 0x88888888;
- intp->int_pitr = 0x00000000;
- /* initialize vector register */
- intp->int_pivr = 0x40;
+ enable_interrupts();
- enable_interrupts ();
-
- return 0;
-}
-#endif
-
-#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
-int interrupt_init (void)
-{
return 0;
}
-#endif
-#ifdef CONFIG_M5249
-int interrupt_init (void)
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
{
- enable_interrupts ();
-
- return 0;
+ mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400);
+ mbar_writeByte(MCFSIM_TIMER2ICR, CFG_TMRINTR_PRI);
}
-#endif
+#endif /* CONFIG_MCFTMR */
+#endif /* CONFIG_M5249 || CONFIG_M5253 */
diff --git a/cpu/mcf52x2/serial.c b/cpu/mcf52x2/serial.c
deleted file mode 100644
index 8be09e34fe..0000000000
--- a/cpu/mcf52x2/serial.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * (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 <common.h>
-#include <command.h>
-#include <watchdog.h>
-
-#include <asm/mcfuart.h>
-
-#ifdef CONFIG_M5271
-#include <asm/m5271.h>
-#endif
-
-#ifdef CONFIG_M5272
-#include <asm/m5272.h>
-#endif
-
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#endif
-
-#ifdef CONFIG_M5249
-#include <asm/m5249.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_M5249) || defined(CONFIG_M5271)
-#define DoubleClock(a) ((double)(CFG_CLK/2) / 32.0 / (double)(a))
-#else
-#define DoubleClock(a) ((double)(CFG_CLK) / 32.0 / (double)(a))
-#endif
-
-void rs_serial_setbaudrate(int port,int baudrate)
-{
-#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5271)
- volatile unsigned char *uartp;
-# ifndef CONFIG_M5271
- double fraction;
-# endif
- double clock;
-
- if (port == 0)
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- else
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
-
- clock = DoubleClock(baudrate); /* Set baud above */
-
- uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff); /* set msb baud */
- uartp[MCFUART_UBG2] = ((int)clock & 0xff); /* set lsb baud */
-
-# ifndef CONFIG_M5271
- fraction = ((clock - (int)clock) * 16.0) + 0.5;
- uartp[MCFUART_UFPD] = ((int)fraction & 0xf); /* set baud fraction adjust */
-# endif
-#endif
-
-#if defined(CONFIG_M5282)
- volatile unsigned char *uartp;
- long clock;
-
- switch (port) {
- case 1:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
- break;
- case 2:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3);
- break;
- default:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- }
-
- clock = (long) CFG_CLK / ((long) 32 * baudrate); /* Set baud above */
-
- uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff); /* set msb baud */
- uartp[MCFUART_UBG2] = ((int) clock & 0xff); /* set lsb baud */
-
-#endif
-};
-
-void rs_serial_init (int port, int baudrate)
-{
- volatile unsigned char *uartp;
-
- /*
- * Reset UART, get it into known state...
- */
- switch (port) {
- case 1:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
- break;
-#if defined(CONFIG_M5282)
- case 2:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3);
- break;
-#endif
- default:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- }
-
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */
-
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETMRPTR; /* reset MR pointer */
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETERR; /* reset Error pointer */
-
- /*
- * Set port for CONSOLE_BAUD_RATE, 8 data bits, 1 stop bit, no parity.
- */
- uartp[MCFUART_UMR] = MCFUART_MR1_PARITYNONE | MCFUART_MR1_CS8;
- uartp[MCFUART_UMR] = MCFUART_MR2_STOP1;
-
- /* Mask UART interrupts */
- uartp[MCFUART_UIMR] = 0;
-
- /* Set clock Select Register: Tx/Rx clock is timer */
- uartp[MCFUART_UCSR] = MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER;
-
- rs_serial_setbaudrate (port, baudrate);
-
- /* Enable Tx/Rx */
- uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE;
-
- return;
-}
-
-/****************************************************************************/
-/*
- * Output a single character, using UART polled mode.
- * This is used for console output.
- */
-
-void rs_put_char(char ch)
-{
- volatile unsigned char *uartp;
- int i;
-
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
-
- for (i = 0; (i < 0x10000); i++) {
- if (uartp[MCFUART_USR] & MCFUART_USR_TXREADY)
- break;
- }
- uartp[MCFUART_UTB] = ch;
- return;
-}
-
-int rs_is_char(void)
-{
- volatile unsigned char *uartp;
-
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- return((uartp[MCFUART_USR] & MCFUART_USR_RXREADY) ? 1 : 0);
-}
-
-int rs_get_char(void)
-{
- volatile unsigned char *uartp;
-
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- return(uartp[MCFUART_URB]);
-}
-
-void serial_setbrg(void) {
- rs_serial_setbaudrate(0,gd->bd->bi_baudrate);
-}
-
-int serial_init(void) {
- rs_serial_init(0,gd->baudrate);
- return 0;
-}
-
-
-void serial_putc(const char c) {
- if (c == '\n')
- serial_putc ('\r');
- rs_put_char(c);
-}
-
-void serial_puts (const char *s) {
- while (*s)
- serial_putc(*s++);
-}
-
-int serial_getc(void) {
- while(!rs_is_char())
- WATCHDOG_RESET();
-
- return rs_get_char();
-}
-
-int serial_tstc() {
- return rs_is_char();
-}
diff --git a/cpu/mcf52x2/speed.c b/cpu/mcf52x2/speed.c
index ac860b2c67..bc1e20023b 100644
--- a/cpu/mcf52x2/speed.c
+++ b/cpu/mcf52x2/speed.c
@@ -2,6 +2,9 @@
* (C) Copyright 2003
* Josef Baumgartner <josef.baumgartner@telex.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.
*
@@ -23,6 +26,7 @@
#include <common.h>
#include <asm/processor.h>
+#include <asm/immap.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -31,8 +35,37 @@ DECLARE_GLOBAL_DATA_PTR;
*/
int get_clocks (void)
{
- gd->cpu_clk = CFG_CLK;
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
+ volatile unsigned long cpll = mbar2_readLong(MCFSIM_PLLCR);
+ unsigned long pllcr;
+
+#ifndef CFG_PLL_BYPASS
+
#ifdef CONFIG_M5249
+ /* Setup the PLL to run at the specified speed */
+#ifdef CFG_FAST_CLK
+ pllcr = 0x925a3100; /* ~140MHz clock (PLL bypass = 0) */
+#else
+ pllcr = 0x135a4140; /* ~72MHz clock (PLL bypass = 0) */
+#endif
+#endif /* CONFIG_M5249 */
+
+#ifdef CONFIG_M5253
+ pllcr = CFG_PLLCR;
+#endif /* CONFIG_M5253 */
+
+ cpll = cpll & 0xfffffffe; /* Set PLL bypass mode = 0 (PSTCLK = crystal) */
+ mbar2_writeLong(MCFSIM_PLLCR, cpll); /* Set the PLL to bypass mode (PSTCLK = crystal) */
+ mbar2_writeLong(MCFSIM_PLLCR, pllcr); /* set the clock speed */
+ pllcr ^= 0x00000001; /* Set pll bypass to 1 */
+ mbar2_writeLong(MCFSIM_PLLCR, pllcr); /* Start locking (pll bypass = 1) */
+ udelay(0x20); /* Wait for a lock ... */
+#endif /* #ifndef CFG_PLL_BYPASS */
+
+#endif /* CONFIG_M5249 || CONFIG_M5253 */
+
+ gd->cpu_clk = CFG_CLK;
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
gd->bus_clk = gd->cpu_clk / 2;
#else
gd->bus_clk = gd->cpu_clk;
diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S
index 7c9a7d2d2b..686e2a5333 100644
--- a/cpu/mcf52x2/start.S
+++ b/cpu/mcf52x2/start.S
@@ -121,7 +121,7 @@ _start:
nop
move.w #0x2700,%sr
-#if defined(CONFIG_M5272) || defined(CONFIG_M5249)
+#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5253)
move.l #(CFG_MBAR + 1), %d0 /* set MBAR address + valid flag */
move.c %d0, %MBAR
@@ -133,7 +133,7 @@ _start:
move.l #(CFG_INIT_RAM_ADDR + 1), %d0
movec %d0, %RAMBAR0
-#endif /* #if defined(CONFIG_M5272) || defined(CONFIG_M5249) */
+#endif /* CONFIG_M5272 || CONFIG_M5249 || CONFIG_M5253 */
#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
/* Initialize IPSBAR */
@@ -159,7 +159,7 @@ _copy_flash:
_flashbar_setup:
/* Initialize FLASHBAR: locate internal Flash and validate it */
- move.l #(CFG_INT_FLASH_BASE + 0x21), %d0
+ move.l #(CFG_INT_FLASH_BASE + CFG_INT_FLASH_ENABLE), %d0
movec %d0, %RAMBAR0
jmp _after_flashbar_copy.L /* Force jump to absolute address */
_flashbar_setup_end:
@@ -167,7 +167,7 @@ _flashbar_setup_end:
_after_flashbar_copy:
#else
/* Setup code to initialize FLASHBAR, if start from external Memory */
- move.l #(CFG_INT_FLASH_BASE + 0x21), %d0
+ move.l #(CFG_INT_FLASH_BASE + CFG_INT_FLASH_ENABLE), %d0
movec %d0, %RAMBAR0
#endif /* (TEXT_BASE == CFG_INT_FLASH_BASE) */
@@ -326,10 +326,10 @@ clear_bss:
/* set parameters for board_init_r */
move.l %a0,-(%sp) /* dest_addr */
move.l %d0,-(%sp) /* gd */
- #if defined(DEBUG) && (TEXT_BASE != CFG_INT_FLASH_BASE) && \
- defined(CFG_HALT_BEFOR_RAM_JUMP)
- halt
- #endif
+#if defined(DEBUG) && (TEXT_BASE != CFG_INT_FLASH_BASE) && \
+ defined(CFG_HALT_BEFOR_RAM_JUMP)
+ halt
+#endif
jsr (%a1)
/*------------------------------------------------------------------------------*/
@@ -356,6 +356,24 @@ _int_handler:
/*------------------------------------------------------------------------------*/
/* cache functions */
+#ifdef CONFIG_M5271
+ .globl icache_enable
+icache_enable:
+ move.l #0x01000000, %d0 /* Invalidate cache cmd */
+ movec %d0, %CACR /* Invalidate cache */
+ move.l #(CFG_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 #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ moveq #1, %d0
+ move.l %d0, (%a1)
+ rts
+#endif
+
#ifdef CONFIG_M5272
.globl icache_enable
icache_enable:
@@ -389,7 +407,7 @@ icache_state_access_1:
rts
#endif
-#ifdef CONFIG_M5249
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
.globl icache_enable
icache_enable:
/*
@@ -426,13 +444,29 @@ icache_state_access_2:
.globl icache_status
icache_status:
icache_state_access_3:
- move.l icache_state, %d0
+ move.l #(icache_state), %a0
+ move.l (%a0), %d0
rts
.data
icache_state:
.long 0 /* cache is diabled on inirialization */
+ .globl dcache_enable
+dcache_enable:
+ /* dummy function */
+ rts
+
+ .globl dcache_disable
+dcache_disable:
+ /* dummy function */
+ rts
+
+ .globl dcache_status
+dcache_status:
+ /* dummy function */
+ rts
+
/*------------------------------------------------------------------------------*/
.globl version_string
diff --git a/cpu/mcf532x/Makefile b/cpu/mcf532x/Makefile
new file mode 100644
index 0000000000..6790d90f27
--- /dev/null
+++ b/cpu/mcf532x/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 =
+COBJS = cpu.o speed.o cpu_init.o interrupts.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/mcf532x/config.mk b/cpu/mcf532x/config.mk
new file mode 100644
index 0000000000..ba324a894a
--- /dev/null
+++ b/cpu/mcf532x/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 += -m5307 -fPIC
diff --git a/cpu/mcf532x/cpu.c b/cpu/mcf532x/cpu.c
new file mode 100644
index 0000000000..520f5d6939
--- /dev/null
+++ b/cpu/mcf532x/cpu.c
@@ -0,0 +1,119 @@
+/*
+ *
+ * (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>
+
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+ volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
+
+ wdp->cr = 0;
+ udelay(1000);
+
+ /* enable watchdog, set timeout to 0 and wait */
+ wdp->cr = WTM_WCR_EN;
+ while (1) ;
+
+ /* we don't return! */
+ return 0;
+};
+
+int checkcpu(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ 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 0x54:
+ id = 5329;
+ break;
+ case 0x59:
+ id = 5328;
+ break;
+ case 0x61:
+ id = 5327;
+ break;
+ }
+
+ if (id) {
+ printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
+ ver);
+ printf(" CPU CLK %d Mhz BUS CLK %d Mhz\n",
+ (int)(gd->cpu_clk / 1000000),
+ (int)(gd->bus_clk / 1000000));
+ }
+
+ return 0;
+};
+
+#if defined(CONFIG_WATCHDOG)
+/* Called by macro WATCHDOG_RESET */
+void watchdog_reset(void)
+{
+ volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
+
+ wdp->sr = 0x5555; /* Count register */
+}
+
+int watchdog_disable(void)
+{
+ volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
+
+ /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
+ wdp->cr |= WTM_WCR_HALTED; /* halted watchdog timer */
+
+ puts("WATCHDOG:disabled\n");
+ return (0);
+}
+
+int watchdog_init(void)
+{
+ volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
+ u32 wdog_module = 0;
+
+ /* set timeout and enable watchdog */
+ wdog_module = ((CFG_CLK / 1000) * CONFIG_WATCHDOG_TIMEOUT);
+ wdog_module |= (wdog_module / 8192);
+ wdp->mr = wdog_module;
+
+ wdp->cr = WTM_WCR_EN;
+ puts("WATCHDOG:enabled\n");
+
+ return (0);
+}
+#endif /* CONFIG_WATCHDOG */
diff --git a/cpu/mcf532x/cpu_init.c b/cpu/mcf532x/cpu_init.c
new file mode 100644
index 0000000000..93086f74bf
--- /dev/null
+++ b/cpu/mcf532x/cpu_init.c
@@ -0,0 +1,141 @@
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 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>
+
+/*
+ * 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 scm2_t *scm2 = (scm2_t *) MMAP_SCM2;
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+ volatile wdog_t *wdog = (wdog_t *) MMAP_WDOG;
+
+ /* watchdog is enabled by default - disable the watchdog */
+#ifndef CONFIG_WATCHDOG
+ wdog->cr = 0;
+#endif
+
+ scm1->mpr0 = 0x77777777;
+ scm2->pacra = 0;
+ scm2->pacrb = 0;
+ scm2->pacrc = 0;
+ scm2->pacrd = 0;
+ scm2->pacre = 0;
+ scm2->pacrf = 0;
+ scm2->pacrg = 0;
+ scm1->pacrh = 0;
+
+ /* Port configuration */
+ gpio->par_cs = 0;
+
+#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 */
+ gpio->par_cs |= GPIO_PAR_CS1;
+ 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))
+ gpio->par_cs |= GPIO_PAR_CS2;
+ 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))
+ gpio->par_cs |= GPIO_PAR_CS3;
+ 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))
+ gpio->par_cs |= GPIO_PAR_CS4;
+ 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))
+ gpio->par_cs |= GPIO_PAR_CS5;
+ 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)
+{
+ 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_TXD0 | GPIO_PAR_UART_RXD0);
+ break;
+ case 1:
+ gpio->par_uart =
+ (GPIO_PAR_UART_TXD1(3) | GPIO_PAR_UART_RXD1(3));
+ break;
+ case 2:
+ gpio->par_timer &= 0x0F;
+ gpio->par_timer |= (GPIO_PAR_TIN3_URXD2 | GPIO_PAR_TIN2_UTXD2);
+ break;
+ }
+}
diff --git a/cpu/mcf532x/interrupts.c b/cpu/mcf532x/interrupts.c
new file mode 100644
index 0000000000..ff50d7ddfb
--- /dev/null
+++ b/cpu/mcf532x/interrupts.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * 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/mcf532x/speed.c b/cpu/mcf532x/speed.c
new file mode 100644
index 0000000000..cf72609b42
--- /dev/null
+++ b/cpu/mcf532x/speed.c
@@ -0,0 +1,216 @@
+/*
+ *
+ * (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 <asm/processor.h>
+
+#include <asm/immap.h>
+
+/* PLL min/max specifications */
+#define MAX_FVCO 500000 /* KHz */
+#define MAX_FSYS 80000 /* KHz */
+#define MIN_FSYS 58333 /* KHz */
+#define FREF 16000 /* KHz */
+#define MAX_MFD 135 /* Multiplier */
+#define MIN_MFD 88 /* Multiplier */
+#define BUSDIV 6 /* Divider */
+/*
+ * Low Power Divider specifications
+ */
+#define MIN_LPD (1 << 0) /* Divider (not encoded) */
+#define MAX_LPD (1 << 15) /* Divider (not encoded) */
+#define DEFAULT_LPD (1 << 1) /* Divider (not encoded) */
+
+/*
+ * Get the value of the current system clock
+ *
+ * Parameters:
+ * none
+ *
+ * Return Value:
+ * The current output system frequency
+ */
+int get_sys_clock(void)
+{
+ volatile ccm_t *ccm = (volatile ccm_t *)(MMAP_CCM);
+ volatile pll_t *pll = (volatile pll_t *)(MMAP_PLL);
+ int divider;
+
+ /* Test to see if device is in LIMP mode */
+ if (ccm->misccr & CCM_MISCCR_LIMP) {
+ divider = ccm->cdr & CCM_CDR_LPDIV(0xF);
+ return (FREF / (2 << divider));
+ } else {
+ return ((FREF * pll->pfdr) / (BUSDIV * 4));
+ }
+}
+
+/*
+ * Initialize the Low Power Divider circuit
+ *
+ * Parameters:
+ * div Desired system frequency divider
+ *
+ * Return Value:
+ * The resulting output system frequency
+ */
+int clock_limp(int div)
+{
+ volatile ccm_t *ccm = (volatile ccm_t *)(MMAP_CCM);
+ u32 temp;
+
+ /* Check bounds of divider */
+ if (div < MIN_LPD)
+ div = MIN_LPD;
+ if (div > MAX_LPD)
+ div = MAX_LPD;
+
+ /* Save of the current value of the SSIDIV so we don't overwrite the value */
+ temp = (ccm->cdr & CCM_CDR_SSIDIV(0xF));
+
+ /* Apply the divider to the system clock */
+ ccm->cdr = (CCM_CDR_LPDIV(div) | CCM_CDR_SSIDIV(temp));
+
+ ccm->misccr |= CCM_MISCCR_LIMP;
+
+ return (FREF / (3 * (1 << div)));
+}
+
+/*
+ * Exit low power LIMP mode
+ *
+ * Parameters:
+ * div Desired system frequency divider
+ *
+ * Return Value:
+ * The resulting output system frequency
+ */
+int clock_exit_limp(void)
+{
+ volatile ccm_t *ccm = (volatile ccm_t *)(MMAP_CCM);
+ int fout;
+
+ /* Exit LIMP mode */
+ ccm->misccr &= (~CCM_MISCCR_LIMP);
+
+ /* Wait for PLL to lock */
+ while (!(ccm->misccr & CCM_MISCCR_PLL_LOCK)) ;
+
+ fout = get_sys_clock();
+
+ return fout;
+}
+
+/* Initialize the PLL
+ *
+ * Parameters:
+ * fref PLL reference clock frequency in KHz
+ * fsys Desired PLL output frequency in KHz
+ * flags Operating parameters
+ *
+ * Return Value:
+ * The resulting output system frequency
+ */
+int clock_pll(int fsys, int flags)
+{
+ volatile u32 *sdram_workaround = (volatile u32 *)(MMAP_SDRAM + 0x80);
+ volatile pll_t *pll = (volatile pll_t *)(MMAP_PLL);
+ int fref, temp, fout, mfd;
+ u32 i;
+
+ fref = FREF;
+
+ if (fsys == 0) {
+ /* Return current PLL output */
+ mfd = pll->pfdr;
+
+ return (fref * mfd / (BUSDIV * 4));
+ }
+
+ /* Check bounds of requested system clock */
+ if (fsys > MAX_FSYS)
+ fsys = MAX_FSYS;
+
+ if (fsys < MIN_FSYS)
+ fsys = MIN_FSYS;
+
+ /* Multiplying by 100 when calculating the temp value,
+ and then dividing by 100 to calculate the mfd allows
+ for exact values without needing to include floating
+ point libraries. */
+ temp = (100 * fsys) / fref;
+ mfd = (4 * BUSDIV * temp) / 100;
+
+ /* Determine the output frequency for selected values */
+ fout = ((fref * mfd) / (BUSDIV * 4));
+
+ /*
+ * Check to see if the SDRAM has already been initialized.
+ * If it has then the SDRAM needs to be put into self refresh
+ * mode before reprogramming the PLL.
+ */
+
+ /*
+ * Initialize the PLL to generate the new system clock frequency.
+ * The device must be put into LIMP mode to reprogram the PLL.
+ */
+
+ /* Enter LIMP mode */
+ clock_limp(DEFAULT_LPD);
+
+ /* Reprogram PLL for desired fsys */
+ pll->podr = (PLL_PODR_CPUDIV(BUSDIV / 3) | PLL_PODR_BUSDIV(BUSDIV));
+
+ pll->pfdr = mfd;
+
+ /* Exit LIMP mode */
+ clock_exit_limp();
+
+ /*
+ * Return the SDRAM to normal operation if it is in use.
+ */
+
+ /* software workaround for SDRAM opeartion after exiting LIMP mode errata */
+ *sdram_workaround = CFG_SDRAM_BASE;
+
+ /* wait for DQS logic to relock */
+ for (i = 0; i < 0x200; i++) ;
+
+ return fout;
+}
+
+/*
+ * get_clocks() fills in gd->cpu_clock and gd->bus_clk
+ */
+int get_clocks(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bus_clk = clock_pll(CFG_CLK / 1000, 0) * 1000;
+ gd->cpu_clk = (gd->bus_clk * 3);
+ return (0);
+}
diff --git a/cpu/mcf532x/start.S b/cpu/mcf532x/start.S
new file mode 100644
index 0000000000..5cc1c87cdd
--- /dev/null
+++ b/cpu/mcf532x/start.S
@@ -0,0 +1,335 @@
+/*
+ * 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
+
+#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
+
+ /* 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
+
+ /* initialize general use internal ram */
+ move.l #0, %d0
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a2
+ move.l %d0, (%a1)
+ move.l %d0, (%a2)
+
+ /* 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 #0x01000000, %d0 /* Invalidate cache cmd */
+ movec %d0, %CACR /* Invalidate cache */
+ move.l #(CFG_SDRAM_BASE + 0xc000 + ((CFG_SDRAM_SIZE & 0x1fe0) << 11)), %d0
+ movec %d0, %ACR0 /* Enable cache */
+
+ move.l #0x80000200, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Enable cache */
+ nop
+
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ moveq #1, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl icache_disable
+icache_disable:
+ move.l #0x01000000, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Disable cache */
+ clr.l %d0 /* Setup cache mask */
+ movec %d0, %ACR0
+ movec %d0, %ACR1
+
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ moveq #0, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl icache_status
+icache_status:
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ move.l (%a1), %d0
+ rts
+
+ .globl icache_invalid
+icache_invalid:
+ move.l #0x81000200, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Enable cache */
+ rts
+
+ .globl dcache_enable
+dcache_enable:
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1
+ moveq #1, %d0
+ move.l %d0, (%a1)
+ rts
+
+ /* No dcache, just a dummy function */
+ .globl dcache_disable
+dcache_disable:
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1
+ moveq #0, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl dcache_status
+dcache_status:
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1
+ move.l (%a1), %d0
+ rts
+
+/*------------------------------------------------------------------------------*/
+
+ .globl version_string
+version_string:
+ .ascii U_BOOT_VERSION
+ .ascii " (", __DATE__, " - ", __TIME__, ")"
+ .ascii CONFIG_IDENT_STRING, "\0"
diff --git a/cpu/mcf5445x/Makefile b/cpu/mcf5445x/Makefile
new file mode 100644
index 0000000000..26ec29895e
--- /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 0000000000..d0c72fb6b0
--- /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 0000000000..e601b8949b
--- /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 0000000000..6622eeea98
--- /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 0000000000..9572a7bc32
--- /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 0000000000..8ace53630f
--- /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 0000000000..967becfdd0
--- /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 0000000000..cd989ab626
--- /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"
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