ColdFire: Add M54455EVB for MCF5445x
Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
diff --git a/cpu/mcf5445x/Makefile b/cpu/mcf5445x/Makefile
new file mode 100644
index 0000000..26ec298
--- /dev/null
+++ b/cpu/mcf5445x/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+# CFLAGS += -DET_DEBUG
+
+LIB = lib$(CPU).a
+
+START = start.o
+COBJS = cpu.o speed.o cpu_init.o interrupts.o pci.o
+
+SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+START := $(addprefix $(obj),$(START))
+
+all: $(obj).depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/cpu/mcf5445x/config.mk b/cpu/mcf5445x/config.mk
new file mode 100644
index 0000000..d0c72fb
--- /dev/null
+++ b/cpu/mcf5445x/config.mk
@@ -0,0 +1,27 @@
+#
+# (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+PLATFORM_RELFLAGS += -ffixed-d7 -msep-data
+PLATFORM_CPPFLAGS += -m5407 -fPIC
diff --git a/cpu/mcf5445x/cpu.c b/cpu/mcf5445x/cpu.c
new file mode 100644
index 0000000..e601b89
--- /dev/null
+++ b/cpu/mcf5445x/cpu.c
@@ -0,0 +1,97 @@
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <watchdog.h>
+#include <command.h>
+
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+ volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM);
+ udelay(1000);
+ rcm->rcr |= RCM_RCR_SOFTRST;
+
+ /* we don't return! */
+ return 0;
+};
+
+int checkcpu(void)
+{
+ volatile ccm_t *ccm = (ccm_t *) MMAP_CCM;
+ u16 msk;
+ u16 id = 0;
+ u8 ver;
+
+ puts("CPU: ");
+ msk = (ccm->cir >> 6);
+ ver = (ccm->cir & 0x003f);
+ switch (msk) {
+ case 0x48:
+ id = 54455;
+ break;
+ case 0x49:
+ id = 54454;
+ break;
+ case 0x4a:
+ id = 54453;
+ break;
+ case 0x4b:
+ id = 54452;
+ break;
+ case 0x4d:
+ id = 54451;
+ break;
+ case 0x4f:
+ id = 54450;
+ break;
+ }
+
+ if (id) {
+ printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
+ ver);
+ printf(" CPU CLK %d Mhz BUS CLK %d Mhz FLB CLK %d Mhz\n",
+ (int)(gd->cpu_clk / 1000000),
+ (int)(gd->bus_clk / 1000000),
+ (int)(gd->flb_clk / 1000000));
+#ifdef CONFIG_PCI
+ printf(" PCI CLK %d Mhz INP CLK %d Mhz VCO CLK %d Mhz\n",
+ (int)(gd->pci_clk / 1000000),
+ (int)(gd->inp_clk / 1000000),
+ (int)(gd->vco_clk / 1000000));
+#else
+ printf(" INP CLK %d Mhz VCO CLK %d Mhz\n",
+ (int)(gd->inp_clk / 1000000),
+ (int)(gd->vco_clk / 1000000));
+#endif
+ }
+
+ return 0;
+}
diff --git a/cpu/mcf5445x/cpu_init.c b/cpu/mcf5445x/cpu_init.c
new file mode 100644
index 0000000..6622eee
--- /dev/null
+++ b/cpu/mcf5445x/cpu_init.c
@@ -0,0 +1,140 @@
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <watchdog.h>
+
+#include <asm/immap.h>
+#include <asm/rtc.h>
+
+/*
+ * Breath some life into the CPU...
+ *
+ * Set up the memory map,
+ * initialize a bunch of registers,
+ * initialize the UPM's
+ */
+void cpu_init_f(void)
+{
+ volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+
+ scm1->mpr = 0x77777777;
+ scm1->pacra = 0;
+ scm1->pacrb = 0;
+ scm1->pacrc = 0;
+ scm1->pacrd = 0;
+ scm1->pacre = 0;
+ scm1->pacrf = 0;
+ scm1->pacrg = 0;
+
+ /* FlexBus */
+ gpio->par_be =
+ GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 | GPIO_PAR_BE_BE1_BE1 |
+ GPIO_PAR_BE_BE0_BE0;
+ gpio->par_fbctl =
+ GPIO_PAR_FBCTL_OE | GPIO_PAR_FBCTL_TA_TA | GPIO_PAR_FBCTL_RW_RW |
+ GPIO_PAR_FBCTL_TS_TS;
+
+#if (defined(CFG_CS0_BASE) && defined(CFG_CS0_MASK) && defined(CFG_CS0_CTRL))
+ fbcs->csar0 = CFG_CS0_BASE;
+ fbcs->cscr0 = CFG_CS0_CTRL;
+ fbcs->csmr0 = CFG_CS0_MASK;
+#endif
+
+#if (defined(CFG_CS1_BASE) && defined(CFG_CS1_MASK) && defined(CFG_CS1_CTRL))
+ /* Latch chipselect */
+ fbcs->csar1 = CFG_CS1_BASE;
+ fbcs->cscr1 = CFG_CS1_CTRL;
+ fbcs->csmr1 = CFG_CS1_MASK;
+#endif
+
+#if (defined(CFG_CS2_BASE) && defined(CFG_CS2_MASK) && defined(CFG_CS2_CTRL))
+ fbcs->csar2 = CFG_CS2_BASE;
+ fbcs->cscr2 = CFG_CS2_CTRL;
+ fbcs->csmr2 = CFG_CS2_MASK;
+#endif
+
+#if (defined(CFG_CS3_BASE) && defined(CFG_CS3_MASK) && defined(CFG_CS3_CTRL))
+ fbcs->csar3 = CFG_CS3_BASE;
+ fbcs->cscr3 = CFG_CS3_CTRL;
+ fbcs->csmr3 = CFG_CS3_MASK;
+#endif
+
+#if (defined(CFG_CS4_BASE) && defined(CFG_CS4_MASK) && defined(CFG_CS4_CTRL))
+ fbcs->csar4 = CFG_CS4_BASE;
+ fbcs->cscr4 = CFG_CS4_CTRL;
+ fbcs->csmr4 = CFG_CS4_MASK;
+#endif
+
+#if (defined(CFG_CS5_BASE) && defined(CFG_CS5_MASK) && defined(CFG_CS5_CTRL))
+ fbcs->csar5 = CFG_CS5_BASE;
+ fbcs->cscr5 = CFG_CS5_CTRL;
+ fbcs->csmr5 = CFG_CS5_MASK;
+#endif
+
+#ifdef CONFIG_FSL_I2C
+ gpio->par_feci2c = GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA;
+#endif
+
+ icache_enable();
+}
+
+/*
+ * initialize higher level parts of CPU like timers
+ */
+int cpu_init_r(void)
+{
+#ifdef CONFIG_MCFTMR
+ volatile rtc_t *rtc = (volatile rtc_t *)(CFG_MCFRTC_BASE);
+ volatile rtcex_t *rtcex = (volatile rtcex_t *)&rtc->extended;
+ u32 oscillator = CFG_RTC_OSCILLATOR;
+
+ rtcex->gocu = (CFG_RTC_OSCILLATOR >> 16) & 0xFFFF;
+ rtcex->gocl = CFG_RTC_OSCILLATOR & 0xFFFF;
+#endif
+
+ return (0);
+}
+
+void uart_port_conf(void)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ gpio->par_uart =
+ (GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
+ break;
+ case 1:
+ gpio->par_uart =
+ (GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
+ break;
+ }
+}
diff --git a/cpu/mcf5445x/interrupts.c b/cpu/mcf5445x/interrupts.c
new file mode 100644
index 0000000..9572a7b
--- /dev/null
+++ b/cpu/mcf5445x/interrupts.c
@@ -0,0 +1,52 @@
+/*
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* CPU specific interrupt routine */
+#include <common.h>
+#include <asm/immap.h>
+
+int interrupt_init(void)
+{
+ volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
+
+ /* Make sure all interrupts are disabled */
+ intp->imrh0 |= 0xFFFFFFFF;
+ intp->imrl0 |= 0xFFFFFFFF;
+
+ enable_interrupts();
+ return 0;
+}
+
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
+{
+ volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
+
+ intp->icr0[CFG_TMRINTR_NO] = CFG_TMRINTR_PRI;
+ intp->imrh0 &= ~CFG_TMRINTR_MASK;
+}
+#endif
diff --git a/cpu/mcf5445x/pci.c b/cpu/mcf5445x/pci.c
new file mode 100644
index 0000000..8ace536
--- /dev/null
+++ b/cpu/mcf5445x/pci.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * PCI Configuration space access support
+ */
+#include <common.h>
+#include <pci.h>
+#include <asm/io.h>
+#include <asm/immap.h>
+
+#if defined(CONFIG_PCI)
+/* System RAM mapped over PCI */
+#define CFG_PCI_SYS_MEM_BUS CFG_SDRAM_BASE
+#define CFG_PCI_SYS_MEM_PHYS CFG_SDRAM_BASE
+#define CFG_PCI_SYS_MEM_SIZE (1024 * 1024 * 1024)
+
+#define cfg_read(val, addr, type, op) *val = op((type)(addr));
+#define cfg_write(val, addr, type, op) op((type *)(addr), (val));
+
+#define PCI_OP(rw, size, type, op, mask) \
+int pci_##rw##_cfg_##size(struct pci_controller *hose, \
+ pci_dev_t dev, int offset, type val) \
+{ \
+ u32 addr = 0; \
+ u16 cfg_type = 0; \
+ addr = ((offset & 0xfc) | cfg_type | (dev) | 0x80000000); \
+ out_be32(hose->cfg_addr, addr); \
+ __asm__ __volatile__("nop"); \
+ cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \
+ out_be32(hose->cfg_addr, addr & 0x7fffffff); \
+ __asm__ __volatile__("nop"); \
+ return 0; \
+}
+
+PCI_OP(read, byte, u8 *, in_8, 3)
+PCI_OP(read, word, u16 *, in_le16, 2)
+PCI_OP(write, byte, u8, out_8, 3)
+PCI_OP(write, word, u16, out_le16, 2)
+PCI_OP(write, dword, u32, out_le32, 0)
+
+int pci_read_cfg_dword(struct pci_controller *hose, pci_dev_t dev,
+ int offset, u32 * val)
+{
+ u32 addr;
+ u32 tmpv;
+ u32 mask = 2; /* word access */
+ /* Read lower 16 bits */
+ addr = ((offset & 0xfc) | (dev) | 0x80000000);
+ out_be32(hose->cfg_addr, addr);
+ __asm__ __volatile__("nop");
+ *val = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask)));
+ out_be32(hose->cfg_addr, addr & 0x7fffffff);
+ __asm__ __volatile__("nop");
+
+ /* Read upper 16 bits */
+ offset += 2;
+ addr = ((offset & 0xfc) | 1 | (dev) | 0x80000000);
+ out_be32(hose->cfg_addr, addr);
+ __asm__ __volatile__("nop");
+ tmpv = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask)));
+ out_be32(hose->cfg_addr, addr & 0x7fffffff);
+ __asm__ __volatile__("nop");
+
+ /* combine results into dword value */
+ *val = (tmpv << 16) | *val;
+
+ return 0;
+}
+
+void pci_mcf5445x_init(struct pci_controller *hose)
+{
+ volatile pci_t *pci = (volatile pci_t *)MMAP_PCI;
+ volatile pciarb_t *pciarb = (volatile pciarb_t *)MMAP_PCIARB;
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ u32 barEn = 0;
+
+ pciarb->acr = 0x001f001f;
+
+ /* Set PCIGNT1, PCIREQ1, PCIREQ0/PCIGNTIN, PCIGNT0/PCIREQOUT,
+ PCIREQ2, PCIGNT2 */
+ gpio->par_pci =
+ GPIO_PAR_PCI_GNT3_GNT3 | GPIO_PAR_PCI_GNT2 | GPIO_PAR_PCI_GNT1 |
+ GPIO_PAR_PCI_GNT0 | GPIO_PAR_PCI_REQ3_REQ3 | GPIO_PAR_PCI_REQ2 |
+ GPIO_PAR_PCI_REQ1 | GPIO_PAR_PCI_REQ0;
+
+ pci->tcr1 |= PCI_TCR1_P;
+
+ /* Initiator windows */
+ pci->iw0btar = CFG_PCI_MEM_PHYS;
+ pci->iw1btar = CFG_PCI_IO_PHYS;
+ pci->iw2btar = CFG_PCI_CFG_PHYS;
+
+ pci->iwcr =
+ PCI_IWCR_W0C_EN | PCI_IWCR_W1C_EN | PCI_IWCR_W1C_IO |
+ PCI_IWCR_W2C_EN | PCI_IWCR_W2C_IO;
+
+ /* Enable bus master and mem access */
+ pci->scr = PCI_SCR_MW | PCI_SCR_B | PCI_SCR_M;
+
+ /* Cache line size and master latency */
+ pci->cr1 = PCI_CR1_CLS(8) | PCI_CR1_LTMR(0xFF);
+ pci->cr2 = 0;
+
+#ifdef CFG_PCI_BAR0
+ pci->bar0 = PCI_BAR_BAR0(CFG_PCI_BAR0);
+ pci->tbatr0 = CFG_PCI_TBATR0 | PCI_TBATR_EN;
+ barEn |= PCI_TCR1_B0E;
+#endif
+#ifdef CFG_PCI_BAR1
+ pci->bar1 = PCI_BAR_BAR1(CFG_PCI_BAR1);
+ pci->tbatr1 = CFG_PCI_TBATR1 | PCI_TBATR_EN;
+ barEn |= PCI_TCR1_B1E;
+#endif
+#ifdef CFG_PCI_BAR2
+ pci->bar2 = PCI_BAR_BAR2(CFG_PCI_BAR2);
+ pci->tbatr2 = CFG_PCI_TBATR2 | PCI_TBATR_EN;
+ barEn |= PCI_TCR1_B2E;
+#endif
+#ifdef CFG_PCI_BAR3
+ pci->bar3 = PCI_BAR_BAR3(CFG_PCI_BAR3);
+ pci->tbatr3 = CFG_PCI_TBATR3 | PCI_TBATR_EN;
+ barEn |= PCI_TCR1_B3E;
+#endif
+#ifdef CFG_PCI_BAR4
+ pci->bar4 = PCI_BAR_BAR4(CFG_PCI_BAR4);
+ pci->tbatr4 = CFG_PCI_TBATR4 | PCI_TBATR_EN;
+ barEn |= PCI_TCR1_B4E;
+#endif
+#ifdef CFG_PCI_BAR5
+ pci->bar5 = PCI_BAR_BAR5(CFG_PCI_BAR5);
+ pci->tbatr5 = CFG_PCI_TBATR5 | PCI_TBATR_EN;
+ barEn |= PCI_TCR1_B5E;
+#endif
+
+ pci->tcr2 = barEn;
+
+ /* Deassert reset bit */
+ pci->gscr &= ~PCI_GSCR_PR;
+ udelay(1000);
+
+ /* Enable PCI bus master support */
+ hose->first_busno = 0;
+ hose->last_busno = 0xff;
+
+ pci_set_region(hose->regions + 0, CFG_PCI_MEM_BUS, CFG_PCI_MEM_PHYS,
+ CFG_PCI_MEM_SIZE, PCI_REGION_MEM);
+
+ pci_set_region(hose->regions + 1, CFG_PCI_IO_BUS, CFG_PCI_IO_PHYS,
+ CFG_PCI_IO_SIZE, PCI_REGION_IO);
+
+ pci_set_region(hose->regions + 2, CFG_PCI_SYS_MEM_BUS,
+ CFG_PCI_SYS_MEM_PHYS, CFG_PCI_SYS_MEM_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ hose->region_count = 3;
+
+ hose->cfg_addr = &(pci->car);
+ hose->cfg_data = (volatile unsigned char *)CFG_PCI_CFG_BUS;
+
+ pci_set_ops(hose, pci_read_cfg_byte, pci_read_cfg_word,
+ pci_read_cfg_dword, pci_write_cfg_byte, pci_write_cfg_word,
+ pci_write_cfg_dword);
+
+ /* Hose scan */
+ pci_register_hose(hose);
+ hose->last_busno = pci_hose_scan(hose);
+}
+#endif /* CONFIG_PCI */
diff --git a/cpu/mcf5445x/speed.c b/cpu/mcf5445x/speed.c
new file mode 100644
index 0000000..967becf
--- /dev/null
+++ b/cpu/mcf5445x/speed.c
@@ -0,0 +1,186 @@
+/*
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Low Power Divider specifications
+ */
+#define CLOCK_LPD_MIN (1 << 0) /* Divider (decoded) */
+#define CLOCK_LPD_MAX (1 << 15) /* Divider (decoded) */
+
+#define CLOCK_PLL_FVCO_MAX 540000000
+#define CLOCK_PLL_FVCO_MIN 300000000
+
+#define CLOCK_PLL_FSYS_MAX 266666666
+#define CLOCK_PLL_FSYS_MIN 100000000
+#define MHZ 1000000
+
+void clock_enter_limp(int lpdiv)
+{
+ volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM;
+ int i, j;
+
+ /* Check bounds of divider */
+ if (lpdiv < CLOCK_LPD_MIN)
+ lpdiv = CLOCK_LPD_MIN;
+ if (lpdiv > CLOCK_LPD_MAX)
+ lpdiv = CLOCK_LPD_MAX;
+
+ /* Round divider down to nearest power of two */
+ for (i = 0, j = lpdiv; j != 1; j >>= 1, i++) ;
+
+ /* Apply the divider to the system clock */
+ ccm->cdr = (ccm->cdr & 0xF0FF) | CCM_CDR_LPDIV(i);
+
+ /* Enable Limp Mode */
+ ccm->misccr |= CCM_MISCCR_LIMP;
+}
+
+/*
+ * brief Exit Limp mode
+ * warning The PLL should be set and locked prior to exiting Limp mode
+ */
+void clock_exit_limp(void)
+{
+ volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM;
+ volatile pll_t *pll = (volatile pll_t *)MMAP_PLL;
+
+ /* Exit Limp mode */
+ ccm->misccr &= ~CCM_MISCCR_LIMP;
+
+ /* Wait for the PLL to lock */
+ while (!(pll->psr & PLL_PSR_LOCK)) ;
+}
+
+/*
+ * get_clocks() fills in gd->cpu_clock and gd->bus_clk
+ */
+int get_clocks(void)
+{
+ volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM;
+ volatile pll_t *pll = (volatile pll_t *)MMAP_PLL;
+ volatile u8 *cpld = (volatile u8 *)(CFG_CS2_BASE + 3);
+ volatile u8 *fpga = (volatile u8 *)(CFG_CS3_BASE + 14);
+ int pllmult_nopci[] = { 20, 10, 24, 18, 12, 6, 16, 8 };
+ int pllmult_pci[] = { 12, 6, 16, 8 };
+ int vco, bPci, temp, fbtemp, pcrvalue;
+ int *pPllmult = NULL;
+ u16 fbpll_mask;
+ u8 cpldmode;
+
+ /* To determine PCI is present or not */
+ if (((ccm->ccr & CCM_CCR_360_FBCONFIG_MASK) == 0x00e0) ||
+ ((ccm->ccr & CCM_CCR_360_FBCONFIG_MASK) == 0x0060)) {
+ pPllmult = &pllmult_pci[0];
+ fbpll_mask = 3;
+ bPci = 1;
+ } else {
+ pPllmult = &pllmult_nopci[0];
+ fbpll_mask = 7;
+#ifdef CONFIG_PCI
+ gd->pci_clk = 0;
+#endif
+ bPci = 0;
+ }
+
+#ifdef CONFIG_M54455EVB
+ /* Temporary place here, belongs in board/freescale/... */
+ /* Temporary read from CCR- fixed fb issue, must be the same clock
+ as pci or input clock, causing cpld/fpga read inconsistancy */
+ fbtemp = pPllmult[ccm->ccr & fbpll_mask];
+
+ /* Break down into small pieces, code still in flex bus */
+ pcrvalue = pll->pcr & 0xFFFFF0FF;
+ temp = fbtemp - 1;
+ pcrvalue |= PLL_PCR_OUTDIV3(temp);
+
+ pll->pcr = pcrvalue;
+
+ cpldmode = *cpld & 0x03;
+ if (cpldmode == 0) {
+ /* RCON mode */
+ vco = pPllmult[ccm->rcon & fbpll_mask] * CFG_INPUT_CLKSRC;
+
+ if ((vco < CLOCK_PLL_FVCO_MIN) || (vco > CLOCK_PLL_FVCO_MAX)) {
+ /* invaild range, re-set in PCR */
+ int temp = ((pll->pcr & PLL_PCR_OUTDIV2_MASK) >> 4) + 1;
+ int i, j, bus;
+
+ j = (pll->pcr & 0xFF000000) >> 24;
+ for (i = j; i < 0xFF; i++) {
+ vco = i * CFG_INPUT_CLKSRC;
+ if (vco >= CLOCK_PLL_FVCO_MIN) {
+ bus = vco / temp;
+ if (bus <= CLOCK_PLL_FSYS_MIN - MHZ)
+ continue;
+ else
+ break;
+ }
+ }
+ pcrvalue = pll->pcr & 0x00FF00FF;
+ fbtemp = ((i - 1) << 8) | ((i - 1) << 12);
+ pcrvalue |= ((i << 24) | fbtemp);
+
+ pll->pcr = pcrvalue;
+ }
+ gd->vco_clk = vco; /* Vco clock */
+ } else if (cpldmode == 2) {
+ /* Normal mode */
+ vco = pPllmult[ccm->ccr & fbpll_mask] * CFG_INPUT_CLKSRC;
+ gd->vco_clk = vco; /* Vco clock */
+ } else if (cpldmode == 3) {
+ /* serial mode */
+ }
+#endif /* CONFIG_M54455EVB */
+
+ if ((ccm->ccr & CCM_MISCCR_LIMP) == CCM_MISCCR_LIMP) {
+ /* Limp mode */
+ } else {
+ gd->inp_clk = CFG_INPUT_CLKSRC; /* Input clock */
+
+ temp = (pll->pcr & PLL_PCR_OUTDIV1_MASK) + 1;
+ gd->cpu_clk = vco / temp; /* cpu clock */
+
+ temp = ((pll->pcr & PLL_PCR_OUTDIV2_MASK) >> 4) + 1;
+ gd->bus_clk = vco / temp; /* bus clock */
+
+ temp = ((pll->pcr & PLL_PCR_OUTDIV3_MASK) >> 8) + 1;
+ gd->flb_clk = vco / temp; /* FlexBus clock */
+
+#ifdef CONFIG_PCI
+ if (bPci) {
+ temp = ((pll->pcr & PLL_PCR_OUTDIV4_MASK) >> 12) + 1;
+ gd->pci_clk = vco / temp; /* PCI clock */
+ }
+#endif
+ }
+
+ return (0);
+}
diff --git a/cpu/mcf5445x/start.S b/cpu/mcf5445x/start.S
new file mode 100644
index 0000000..cd989ab
--- /dev/null
+++ b/cpu/mcf5445x/start.S
@@ -0,0 +1,388 @@
+/*
+ * Copyright (C) 2003 Josef Baumgartner <josef.baumgartner@telex.de>
+ * Based on code from Bernhard Kuhn <bkuhn@metrowerks.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include "version.h"
+
+#ifndef CONFIG_IDENT_STRING
+#define CONFIG_IDENT_STRING ""
+#endif
+
+/* last three long word reserved for cache status */
+#define CACR_STATUS (CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-12)
+#define ICACHE_STATUS (CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END- 8)
+#define DCACHE_STATUS (CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END- 4)
+
+#define _START _start
+#define _FAULT _fault
+
+#define SAVE_ALL \
+ move.w #0x2700,%sr; /* disable intrs */ \
+ subl #60,%sp; /* space for 15 regs */ \
+ moveml %d0-%d7/%a0-%a6,%sp@;
+
+#define RESTORE_ALL \
+ moveml %sp@,%d0-%d7/%a0-%a6; \
+ addl #60,%sp; /* space for 15 regs */ \
+ rte;
+
+.text
+/*
+ * Vector table. This is used for initial platform startup.
+ * These vectors are to catch any un-intended traps.
+ */
+_vectors:
+
+INITSP: .long 0x00000000 /* Initial SP */
+INITPC: .long _START /* Initial PC */
+vector02: .long _FAULT /* Access Error */
+vector03: .long _FAULT /* Address Error */
+vector04: .long _FAULT /* Illegal Instruction */
+vector05: .long _FAULT /* Reserved */
+vector06: .long _FAULT /* Reserved */
+vector07: .long _FAULT /* Reserved */
+vector08: .long _FAULT /* Privilege Violation */
+vector09: .long _FAULT /* Trace */
+vector0A: .long _FAULT /* Unimplemented A-Line */
+vector0B: .long _FAULT /* Unimplemented F-Line */
+vector0C: .long _FAULT /* Debug Interrupt */
+vector0D: .long _FAULT /* Reserved */
+vector0E: .long _FAULT /* Format Error */
+vector0F: .long _FAULT /* Unitialized Int. */
+
+/* Reserved */
+vector10_17:
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+vector18: .long _FAULT /* Spurious Interrupt */
+vector19: .long _FAULT /* Autovector Level 1 */
+vector1A: .long _FAULT /* Autovector Level 2 */
+vector1B: .long _FAULT /* Autovector Level 3 */
+vector1C: .long _FAULT /* Autovector Level 4 */
+vector1D: .long _FAULT /* Autovector Level 5 */
+vector1E: .long _FAULT /* Autovector Level 6 */
+vector1F: .long _FAULT /* Autovector Level 7 */
+
+/* TRAP #0 - #15 */
+vector20_2F:
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+/* Reserved */
+vector30_3F:
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+vector64_127:
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+vector128_191:
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+vector192_255:
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+ .text
+
+ .globl _start
+_start:
+ nop
+ nop
+ move.w #0x2700,%sr /* Mask off Interrupt */
+
+ /* Set vector base register at the beginning of the Flash */
+ move.l #CFG_FLASH_BASE, %d0
+ movec %d0, %VBR
+
+ move.l #(CFG_INIT_RAM_ADDR + CFG_INIT_RAM_CTRL), %d0
+ movec %d0, %RAMBAR0
+
+ /* initialize general use internal ram */
+ move.l #0, %d0
+ move.l #(CACR_STATUS), %a1 /* CACR */
+ move.l #(ICACHE_STATUS), %a2 /* icache */
+ move.l #(DCACHE_STATUS), %a3 /* dcache */
+ move.l %d0, (%a1)
+ move.l %d0, (%a2)
+ move.l %d0, (%a3)
+
+ /* invalidate and disable cache */
+ move.l #0x01004100, %d0 /* Invalidate cache cmd */
+ movec %d0, %CACR /* Invalidate cache */
+ move.l #0, %d0
+ movec %d0, %ACR0
+ movec %d0, %ACR1
+ movec %d0, %ACR2
+ movec %d0, %ACR3
+
+ /* set stackpointer to end of internal ram to get some stackspace for
+ the first c-code */
+ move.l #(CFG_INIT_RAM_ADDR + CFG_INIT_SP_OFFSET), %sp
+ clr.l %sp@-
+
+ move.l #__got_start, %a5 /* put relocation table address to a5 */
+
+ bsr cpu_init_f /* run low-level CPU init code (from flash) */
+ bsr board_init_f /* run low-level board init code (from flash) */
+
+ /* board_init_f() does not return */
+
+/*------------------------------------------------------------------------------*/
+
+/*
+ * void relocate_code (addr_sp, gd, addr_moni)
+ *
+ * This "function" does not return, instead it continues in RAM
+ * after relocating the monitor code.
+ *
+ * r3 = dest
+ * r4 = src
+ * r5 = length in bytes
+ * r6 = cachelinesize
+ */
+ .globl relocate_code
+relocate_code:
+ link.w %a6,#0
+ move.l 8(%a6), %sp /* set new stack pointer */
+
+ move.l 12(%a6), %d0 /* Save copy of Global Data pointer */
+ move.l 16(%a6), %a0 /* Save copy of Destination Address */
+
+ move.l #CFG_MONITOR_BASE, %a1
+ move.l #__init_end, %a2
+ move.l %a0, %a3
+
+ /* copy the code to RAM */
+1:
+ move.l (%a1)+, (%a3)+
+ cmp.l %a1,%a2
+ bgt.s 1b
+
+/*
+ * We are done. Do not return, instead branch to second part of board
+ * initialization, now running from RAM.
+ */
+ move.l %a0, %a1
+ add.l #(in_ram - CFG_MONITOR_BASE), %a1
+ jmp (%a1)
+
+in_ram:
+
+clear_bss:
+ /*
+ * Now clear BSS segment
+ */
+ move.l %a0, %a1
+ add.l #(_sbss - CFG_MONITOR_BASE),%a1
+ move.l %a0, %d1
+ add.l #(_ebss - CFG_MONITOR_BASE),%d1
+6:
+ clr.l (%a1)+
+ cmp.l %a1,%d1
+ bgt.s 6b
+
+ /*
+ * fix got table in RAM
+ */
+ move.l %a0, %a1
+ add.l #(__got_start - CFG_MONITOR_BASE),%a1
+ move.l %a1,%a5 /* * fix got pointer register a5 */
+
+ move.l %a0, %a2
+ add.l #(__got_end - CFG_MONITOR_BASE),%a2
+
+7:
+ move.l (%a1),%d1
+ sub.l #_start,%d1
+ add.l %a0,%d1
+ move.l %d1,(%a1)+
+ cmp.l %a2, %a1
+ bne 7b
+
+ /* calculate relative jump to board_init_r in ram */
+ move.l %a0, %a1
+ add.l #(board_init_r - CFG_MONITOR_BASE), %a1
+
+ /* set parameters for board_init_r */
+ move.l %a0,-(%sp) /* dest_addr */
+ move.l %d0,-(%sp) /* gd */
+ jsr (%a1)
+
+/*------------------------------------------------------------------------------*/
+/* exception code */
+ .globl _fault
+_fault:
+ jmp _fault
+ .globl _exc_handler
+
+_exc_handler:
+ SAVE_ALL
+ movel %sp,%sp@-
+ bsr exc_handler
+ addql #4,%sp
+ RESTORE_ALL
+
+ .globl _int_handler
+_int_handler:
+ SAVE_ALL
+ movel %sp,%sp@-
+ bsr int_handler
+ addql #4,%sp
+ RESTORE_ALL
+
+/*------------------------------------------------------------------------------*/
+/* cache functions */
+ .globl icache_enable
+icache_enable:
+ move.l #(CACR_STATUS), %a1 /* read CACR Status */
+ move.l (%a1), %d1
+
+ move.l #0x00040100, %d0 /* Invalidate icache */
+ or.l %d1, %d0
+ movec %d0, %CACR
+
+ move.l #(CFG_SDRAM_BASE + 0xc000), %d0 /* Setup icache */
+ movec %d0, %ACR2
+
+ or.l #0x00088400, %d1 /* Enable bcache and icache */
+ movec %d1, %CACR
+
+ move.l #(ICACHE_STATUS), %a1
+ moveq #1, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl icache_disable
+icache_disable:
+ move.l #(CACR_STATUS), %a1 /* read CACR Status */
+ move.l (%a1), %d0
+
+ and.l #0xFFF77BFF, %d0
+ or.l #0x00040100, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Invalidate icache */
+ clr.l %d0
+ movec %d0, %ACR2
+ movec %d0, %ACR3
+
+ move.l #(ICACHE_STATUS), %a1
+ moveq #0, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl icache_status
+icache_status:
+ move.l #(ICACHE_STATUS), %a1
+ move.l (%a1), %d0
+ rts
+
+ .globl icache_invalid
+icache_invalid:
+ move.l #(CACR_STATUS), %a1 /* read CACR Status */
+ move.l (%a1), %d0
+
+ or.l #0x00040100, %d0 /* Invalidate icache */
+ movec %d0, %CACR /* Enable and invalidate cache */
+ rts
+
+ .globl dcache_enable
+dcache_enable:
+ move.l #(CACR_STATUS), %a1 /* read CACR Status */
+ move.l (%a1), %d1
+
+ move.l #0x01000000, %d0
+ or.l %d1, %d0
+ movec %d0, %CACR /* Invalidate dcache */
+
+ move.l #(CFG_SDRAM_BASE + 0xc000), %d0
+ movec %d0, %ACR0
+ move.l #0, %d0
+ movec %d0, %ACR1
+
+ or.l #0x80000000, %d1 /* Enable bcache and icache */
+ movec %d1, %CACR
+
+ move.l #(DCACHE_STATUS), %a1
+ moveq #1, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl dcache_disable
+dcache_disable:
+ move.l #(CACR_STATUS), %a1 /* read CACR Status */
+ move.l (%a1), %d0
+
+ and.l #0x7FFFFFFF, %d0
+ or.l #0x01000000, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Disable dcache */
+ clr.l %d0
+ movec %d0, %ACR0
+ movec %d0, %ACR1
+
+ move.l #(DCACHE_STATUS), %a1
+ moveq #0, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl dcache_invalid
+dcache_invalid:
+ move.l #(CACR_STATUS), %a1 /* read CACR Status */
+ move.l (%a1), %d0
+
+ or.l #0x01000000, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Enable and invalidate cache */
+ rts
+
+ .globl dcache_status
+dcache_status:
+ move.l #(DCACHE_STATUS), %a1
+ move.l (%a1), %d0
+ rts
+
+/*------------------------------------------------------------------------------*/
+
+ .globl version_string
+version_string:
+ .ascii U_BOOT_VERSION
+ .ascii " (", __DATE__, " - ", __TIME__, ")"
+ .ascii CONFIG_IDENT_STRING, "\0"