--- /dev/null
+#
+# (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 pci.o interrupts.o slicetimer.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 $(obj).depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+PLATFORM_RELFLAGS += -ffixed-d7 -msep-data
+ifeq ($(findstring 4.2,$(shell $(CC) --version)),4.2)
+PLATFORM_CPPFLAGS += -mcpu=5485 -fPIC
+else
+PLATFORM_CPPFLAGS += -m5407 -fPIC
+endif
--- /dev/null
+/*
+ *
+ * (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 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+
+ gptmr->pre = 10;
+ gptmr->cnt = 1;
+
+ /* enable watchdog, set timeout to 0 and wait */
+ gptmr->mode = GPT_TMS_SGPIO;
+ gptmr->ctrl = GPT_CTRL_WDEN | GPT_CTRL_CE;
+
+ /* we don't return! */
+ return 1;
+};
+
+int checkcpu(void)
+{
+ volatile siu_t *siu = (siu_t *) MMAP_SIU;
+ u16 id = 0;
+
+ puts("CPU: ");
+
+ switch ((siu->jtagid & 0x000FF000) >> 12) {
+ case 0x0C:
+ id = 5485;
+ break;
+ case 0x0D:
+ id = 5484;
+ break;
+ case 0x0E:
+ id = 5483;
+ break;
+ case 0x0F:
+ id = 5482;
+ break;
+ case 0x10:
+ id = 5481;
+ break;
+ case 0x11:
+ id = 5480;
+ break;
+ case 0x12:
+ id = 5475;
+ break;
+ case 0x13:
+ id = 5474;
+ break;
+ case 0x14:
+ id = 5473;
+ break;
+ case 0x15:
+ id = 5472;
+ break;
+ case 0x16:
+ id = 5471;
+ break;
+ case 0x17:
+ id = 5470;
+ break;
+ }
+
+ if (id) {
+ printf("Freescale MCF%d\n", id);
+ 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_HW_WATCHDOG)
+/* Called by macro WATCHDOG_RESET */
+void hw_watchdog_reset(void)
+{
+ volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+
+ gptmr->ocpw = 0xa5;
+}
+
+int watchdog_disable(void)
+{
+ volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+
+ /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
+ gptmr->mode = 0;
+ gptmr->ctrl = 0;
+
+ puts("WATCHDOG:disabled\n");
+
+ return (0);
+}
+
+int watchdog_init(void)
+{
+
+ volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+
+ gptmr->pre = CONFIG_WATCHDOG_TIMEOUT;
+ gptmr->cnt = CFG_TIMER_PRESCALER * 1000;
+
+ gptmr->mode = GPT_TMS_SGPIO;
+ gptmr->ctrl = GPT_CTRL_CE | GPT_CTRL_WDEN;
+ puts("WATCHDOG:enabled\n");
+
+ return (0);
+}
+#endif /* CONFIG_HW_WATCHDOG */
--- /dev/null
+/*
+ *
+ * (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 <MCD_dma.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 xlbarb_t *xlbarb = (volatile xlbarb_t *) MMAP_XARB;
+
+ xlbarb->adrto = 0x2000;
+ xlbarb->datto = 0x2000;
+ xlbarb->busto = 0x3000;
+
+ xlbarb->cfg = XARB_SR_AT | XARB_SR_DT;
+
+ /* Master Priority Enable */
+ xlbarb->pri = 0;
+ xlbarb->prien = 0xff;
+
+#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))
+ 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_feci2cirq = GPIO_PAR_FECI2CIRQ_SCL | GPIO_PAR_FECI2CIRQ_SDA;
+#endif
+
+ icache_enable();
+}
+
+/*
+ * initialize higher level parts of CPU like timers
+ */
+int cpu_init_r(void)
+{
+#if defined(CONFIG_CMD_NET) && defined(CONFIG_FSLDMAFEC)
+ MCD_initDma((dmaRegs *) (MMAP_MCDMA), (void *)(MMAP_SRAM + 512),
+ MCD_RELOC_TASKS);
+#endif
+ return (0);
+}
+
+void uart_port_conf(void)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ volatile u8 *pscsicr = (u8 *) (CFG_UART_BASE + 0x40);
+
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ gpio->par_psc0 = (GPIO_PAR_PSC0_TXD0 | GPIO_PAR_PSC0_RXD0);
+ break;
+ case 1:
+ gpio->par_psc1 = (GPIO_PAR_PSC1_TXD1 | GPIO_PAR_PSC1_RXD1);
+ break;
+ case 2:
+ gpio->par_psc2 = (GPIO_PAR_PSC2_TXD2 | GPIO_PAR_PSC2_RXD2);
+ break;
+ case 3:
+ gpio->par_psc3 = (GPIO_PAR_PSC3_TXD3 | GPIO_PAR_PSC3_RXD3);
+ break;
+ }
+
+ *pscsicr &= 0xF8;
+}
--- /dev/null
+/*
+ *
+ * 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_SLTTMR)
+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
--- /dev/null
+/*
+ * 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); \
+ cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \
+ __asm__ __volatile__("nop"); \
+ __asm__ __volatile__("nop"); \
+ out_be32(hose->cfg_addr, addr & 0x7fffffff); \
+ 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);
+ *val = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask)));
+ __asm__ __volatile__("nop");
+ out_be32(hose->cfg_addr, addr & 0x7fffffff);
+
+ /* Read upper 16 bits */
+ offset += 2;
+ addr = ((offset & 0xfc) | 1 | (dev) | 0x80000000);
+ out_be32(hose->cfg_addr, addr);
+ tmpv = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask)));
+ __asm__ __volatile__("nop");
+ out_be32(hose->cfg_addr, addr & 0x7fffffff);
+
+ /* combine results into dword value */
+ *val = (tmpv << 16) | *val;
+
+ return 0;
+}
+
+void pci_mcf547x_8x_init(struct pci_controller *hose)
+{
+ volatile pci_t *pci = (volatile pci_t *) MMAP_PCI;
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ /* Port configuration */
+ gpio->par_pcibg =
+ GPIO_PAR_PCIBG_PCIBG0(3) | GPIO_PAR_PCIBG_PCIBG1(3) |
+ GPIO_PAR_PCIBG_PCIBG2(3) | GPIO_PAR_PCIBG_PCIBG3(3) |
+ GPIO_PAR_PCIBG_PCIBG4(3);
+ gpio->par_pcibr =
+ GPIO_PAR_PCIBR_PCIBR0(3) | GPIO_PAR_PCIBR_PCIBR1(3) |
+ GPIO_PAR_PCIBR_PCIBR2(3) | GPIO_PAR_PCIBR_PCIBR3(3) |
+ GPIO_PAR_PCIBR_PCIBR4(3);
+
+ /* Assert reset bit */
+ pci->gscr |= PCI_GSCR_PR;
+
+ pci->tcr1 = PCI_TCR1_P;
+
+ /* Initiator windows */
+ pci->iw0btar = CFG_PCI_MEM_PHYS | (CFG_PCI_MEM_PHYS >> 16);
+ pci->iw1btar = CFG_PCI_IO_PHYS | (CFG_PCI_IO_PHYS >> 16);
+ pci->iw2btar = CFG_PCI_CFG_PHYS | (CFG_PCI_CFG_PHYS >> 16);
+
+ pci->iwcr =
+ PCI_IWCR_W0C_EN | PCI_IWCR_W1C_EN | PCI_IWCR_W1C_IO |
+ PCI_IWCR_W2C_EN | PCI_IWCR_W2C_IO;
+
+ pci->icr = 0;
+
+ /* Enable bus master and mem access */
+ pci->scr = PCI_SCR_B | PCI_SCR_M;
+
+ /* Cache line size and master latency */
+ pci->cr1 = PCI_CR1_CLS(8) | PCI_CR1_LTMR(0xF8);
+ pci->cr2 = 0;
+
+#ifdef CFG_PCI_BAR0
+ pci->bar0 = PCI_BAR_BAR0(CFG_PCI_BAR0);
+ pci->tbatr0a = CFG_PCI_TBATR0 | PCI_TBATR_EN;
+#endif
+#ifdef CFG_PCI_BAR1
+ pci->bar1 = PCI_BAR_BAR1(CFG_PCI_BAR1);
+ pci->tbatr1a = CFG_PCI_TBATR1 | PCI_TBATR_EN;
+#endif
+
+ /* 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 */
--- /dev/null
+/*
+ * (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 <asm/timer.h>
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static ulong timestamp;
+
+#if defined(CONFIG_SLTTMR)
+#ifndef CFG_UDELAY_BASE
+# error "uDelay base not defined!"
+#endif
+
+#if !defined(CFG_TMR_BASE) || !defined(CFG_INTR_BASE) || !defined(CFG_TMRINTR_NO) || !defined(CFG_TMRINTR_MASK)
+# error "TMR_BASE, INTR_BASE, TMRINTR_NO or TMRINTR_MASk not defined!"
+#endif
+extern void dtimer_intr_setup(void);
+
+void udelay(unsigned long usec)
+{
+ volatile slt_t *timerp = (slt_t *) (CFG_UDELAY_BASE);
+ u32 now, freq;
+
+ /* 1 us period */
+ freq = CFG_TIMER_PRESCALER;
+
+ timerp->cr = 0; /* Disable */
+ timerp->tcnt = usec * freq;
+ timerp->cr = SLT_CR_TEN;
+
+ now = timerp->cnt;
+ while (now != 0)
+ now = timerp->cnt;
+
+ timerp->sr |= SLT_SR_ST;
+ timerp->cr = 0;
+}
+
+void dtimer_interrupt(void *not_used)
+{
+ volatile slt_t *timerp = (slt_t *) (CFG_TMR_BASE);
+
+ /* check for timer interrupt asserted */
+ if ((CFG_TMRPND_REG & CFG_TMRINTR_MASK) == CFG_TMRINTR_PEND) {
+ timerp->sr |= SLT_SR_ST;
+ timestamp++;
+ return;
+ }
+}
+
+void timer_init(void)
+{
+ volatile slt_t *timerp = (slt_t *) (CFG_TMR_BASE);
+
+ timestamp = 0;
+
+ timerp->cr = 0; /* disable timer */
+ timerp->tcnt = 0;
+ timerp->sr = SLT_SR_BE | SLT_SR_ST; /* clear status */
+
+ /* initialize and enable timer interrupt */
+ irq_install_handler(CFG_TMRINTR_NO, dtimer_interrupt, 0);
+
+ /* Interrupt every ms */
+ timerp->tcnt = 1000 * CFG_TIMER_PRESCALER;
+
+ dtimer_intr_setup();
+
+ /* set a period of 1us, set timer mode to restart and
+ enable timer and interrupt */
+ timerp->cr = SLT_CR_RUN | SLT_CR_IEN | SLT_CR_TEN;
+}
+
+void reset_timer(void)
+{
+ timestamp = 0;
+}
+
+ulong get_timer(ulong base)
+{
+ return (timestamp - base);
+}
+
+void set_timer(ulong t)
+{
+ timestamp = t;
+}
+#endif /* CONFIG_SLTTMR */
--- /dev/null
+/*
+ *
+ * (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>
+
+/*
+ * get_clocks() fills in gd->cpu_clock and gd->bus_clk
+ */
+int get_clocks(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bus_clk = CFG_CLK;
+ gd->cpu_clk = (gd->bus_clk * 2);
+ return (0);
+}
--- /dev/null
+/*
+ * 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 ICACHE_STATUS (CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END- 4)
+#define DCACHE_STATUS (CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END- 8)
+#define CACR_STATUS (CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-12)
+
+#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
+
+ move.l #(CFG_INIT_RAM1_ADDR + CFG_INIT_RAM1_CTRL), %d0
+ movec %d0, %RAMBAR1
+
+ move.l #CFG_MBAR, %d0 /* set MBAR address */
+ move.c %d0, %MBAR
+
+ /* invalidate and disable cache */
+ move.l #0x01040100, %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
+
+ /* initialize general use internal ram */
+ move.l #0, %d0
+ move.l #(ICACHE_STATUS), %a1 /* icache */
+ move.l #(DCACHE_STATUS), %a2 /* icache */
+ move.l #(CACR_STATUS), %a3 /* CACR */
+ move.l %d0, (%a1)
+ move.l %d0, (%a2)
+ move.l %d0, (%a3)
+
+ /* 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 #(CFG_SDRAM_BASE + 0x1c000), %d0
+ movec %d0, %ACR2 /* Enable cache */
+
+ move.l #0x020C8100, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Enable cache */
+ nop
+
+ move.l #(ICACHE_STATUS), %a1
+ moveq #1, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl icache_disable
+icache_disable:
+ move.l #0x000C8100, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Disable cache */
+ clr.l %d0 /* Setup cache mask */
+ movec %d0, %ACR2
+ movec %d0, %ACR3
+
+ move.l #(ICACHE_STATUS), %a1
+ moveq #0, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl icache_invalid
+icache_invalid:
+ move.l #0x000C8100, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Enable cache */
+ rts
+
+ .globl icache_status
+icache_status:
+ move.l #(ICACHE_STATUS), %a1
+ move.l (%a1), %d0
+ rts
+
+ .globl dcache_enable
+dcache_enable:
+ bsr icache_disable
+
+ move.l #(CFG_SDRAM_BASE + 0xc000), %d0
+ movec %d0, %ACR0 /* Enable cache */
+
+ move.l #0xA30C8100, %d0 /* Invalidate cache cmd */
+ movec %d0, %CACR /* Invalidate cache */
+
+ move.l #(DCACHE_STATUS), %a1
+ moveq #1, %d0
+ move.l %d0, (%a1)
+ rts
+
+ .globl dcache_disable
+dcache_disable:
+ move.l #0xA30C8100, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Disable cache */
+ clr.l %d0 /* Setup cache mask */
+ movec %d0, %ACR0
+ movec %d0, %ACR1
+
+ move.l #(DCACHE_STATUS), %a1
+ moveq #0, %d0
+ move.l %d0, (%a1)
+ 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"
projects / project / bcm63xx / u-boot.git / commitdiff