diff options
Diffstat (limited to 'cpu/mcf523x')
| -rw-r--r-- | cpu/mcf523x/Makefile | 48 | ||||
| -rw-r--r-- | cpu/mcf523x/config.mk | 31 | ||||
| -rw-r--r-- | cpu/mcf523x/cpu.c | 124 | ||||
| -rw-r--r-- | cpu/mcf523x/cpu_init.c | 179 | ||||
| -rw-r--r-- | cpu/mcf523x/interrupts.c | 49 | ||||
| -rw-r--r-- | cpu/mcf523x/speed.c | 53 | ||||
| -rw-r--r-- | cpu/mcf523x/start.S | 275 |
7 files changed, 0 insertions, 759 deletions
diff --git a/cpu/mcf523x/Makefile b/cpu/mcf523x/Makefile deleted file mode 100644 index d0e9b45..0000000 --- a/cpu/mcf523x/Makefile +++ /dev/null @@ -1,48 +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 $(TOPDIR)/config.mk - -# CFLAGS += -DET_DEBUG - -LIB = lib$(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 $(obj).depend - -######################################################################### diff --git a/cpu/mcf523x/config.mk b/cpu/mcf523x/config.mk deleted file mode 100644 index fc79454..0000000 --- a/cpu/mcf523x/config.mk +++ /dev/null @@ -1,31 +0,0 @@ -# -# (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> -# -# (C) Copyright 2000-2004 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -PLATFORM_RELFLAGS += -ffixed-d7 -msep-data -ifneq ($(findstring 4.1,$(shell $(CC) --version)),4.1) -PLATFORM_CPPFLAGS += -mcpu=5235 -fPIC -else -PLATFORM_CPPFLAGS += -m5307 -fPIC -endif diff --git a/cpu/mcf523x/cpu.c b/cpu/mcf523x/cpu.c deleted file mode 100644 index a1a5133..0000000 --- a/cpu/mcf523x/cpu.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * - * (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 <netdev.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) { - char buf1[32], buf2[32]; - - printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, - ver); - printf(" CPU CLK %s MHz BUS CLK %s MHz\n", - strmhz(buf1, gd->cpu_clk), - strmhz(buf2, gd->bus_clk)); - } - - return 0; -}; - -#if defined(CONFIG_WATCHDOG) -/* Called by macro WATCHDOG_RESET */ -void watchdog_reset(void) -{ - volatile wdog_t *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 = ((CONFIG_SYS_CLK / CONFIG_SYS_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 */ - -#if defined(CONFIG_MCFFEC) -/* Default initializations for MCFFEC controllers. To override, - * create a board-specific function called: - * int board_eth_init(bd_t *bis) - */ - -int cpu_eth_init(bd_t *bis) -{ - return mcffec_initialize(bis); -} -#endif diff --git a/cpu/mcf523x/cpu_init.c b/cpu/mcf523x/cpu_init.c deleted file mode 100644 index 0f299f0..0000000 --- a/cpu/mcf523x/cpu_init.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * - * (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> - -#if defined(CONFIG_CMD_NET) -#include <config.h> -#include <net.h> -#include <asm/fec.h> -#endif - -/* - * 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 = (CONFIG_SYS_INIT_RAM_ADDR | SCM_RAMBAR_BDE); - - /* Port configuration */ - gpio->par_cs = 0; - -#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL)) - fbcs->csar0 = CONFIG_SYS_CS0_BASE; - fbcs->cscr0 = CONFIG_SYS_CS0_CTRL; - fbcs->csmr0 = CONFIG_SYS_CS0_MASK; -#endif - -#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS1; - fbcs->csar1 = CONFIG_SYS_CS1_BASE; - fbcs->cscr1 = CONFIG_SYS_CS1_CTRL; - fbcs->csmr1 = CONFIG_SYS_CS1_MASK; -#endif - -#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS2; - fbcs->csar2 = CONFIG_SYS_CS2_BASE; - fbcs->cscr2 = CONFIG_SYS_CS2_CTRL; - fbcs->csmr2 = CONFIG_SYS_CS2_MASK; -#endif - -#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS3; - fbcs->csar3 = CONFIG_SYS_CS3_BASE; - fbcs->cscr3 = CONFIG_SYS_CS3_CTRL; - fbcs->csmr3 = CONFIG_SYS_CS3_MASK; -#endif - -#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS4; - fbcs->csar4 = CONFIG_SYS_CS4_BASE; - fbcs->cscr4 = CONFIG_SYS_CS4_CTRL; - fbcs->csmr4 = CONFIG_SYS_CS4_MASK; -#endif - -#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS5; - fbcs->csar5 = CONFIG_SYS_CS5_BASE; - fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; - fbcs->csmr5 = CONFIG_SYS_CS5_MASK; -#endif - -#if (defined(CONFIG_SYS_CS6_BASE) && defined(CONFIG_SYS_CS6_MASK) && defined(CONFIG_SYS_CS6_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS6; - fbcs->csar6 = CONFIG_SYS_CS6_BASE; - fbcs->cscr6 = CONFIG_SYS_CS6_CTRL; - fbcs->csmr6 = CONFIG_SYS_CS6_MASK; -#endif - -#if (defined(CONFIG_SYS_CS7_BASE) && defined(CONFIG_SYS_CS7_MASK) && defined(CONFIG_SYS_CS7_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS7; - fbcs->csar7 = CONFIG_SYS_CS7_BASE; - fbcs->cscr7 = CONFIG_SYS_CS7_CTRL; - fbcs->csmr7 = CONFIG_SYS_CS7_MASK; -#endif - -#ifdef CONFIG_FSL_I2C - CONFIG_SYS_I2C_PINMUX_REG &= CONFIG_SYS_I2C_PINMUX_CLR; - CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET; -#endif - - icache_enable(); -} - -/* - * initialize higher level parts of CPU like timers - */ -int cpu_init_r(void) -{ - return (0); -} - -void uart_port_conf(int port) -{ - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - - /* Setup Ports: */ - switch (port) { - case 0: - gpio->par_uart &= ~(GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD); - gpio->par_uart |= (GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD); - break; - case 1: - gpio->par_uart &= - ~(GPIO_PAR_UART_U1RXD_MASK | GPIO_PAR_UART_U1TXD_MASK); - gpio->par_uart |= - (GPIO_PAR_UART_U1RXD_U1RXD | GPIO_PAR_UART_U1TXD_U1TXD); - break; - case 2: -#ifdef CONFIG_SYS_UART2_PRI_GPIO - gpio->par_uart &= ~(GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD); - gpio->par_uart |= (GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD); -#elif defined(CONFIG_SYS_UART2_ALT1_GPIO) - gpio->feci2c &= - ~(GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK); - gpio->feci2c |= - (GPIO_PAR_FECI2C_EMDC_U2TXD | GPIO_PAR_FECI2C_EMDIO_U2RXD); -#endif - break; - } -} - -#if defined(CONFIG_CMD_NET) -int fecpin_setclear(struct eth_device *dev, int setclear) -{ - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - - if (setclear) { - gpio->par_feci2c |= - (GPIO_PAR_FECI2C_EMDC_FECEMDC | - GPIO_PAR_FECI2C_EMDIO_FECEMDIO); - } else { - gpio->par_feci2c &= - ~(GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK); - } - - return 0; -} -#endif diff --git a/cpu/mcf523x/interrupts.c b/cpu/mcf523x/interrupts.c deleted file mode 100644 index db5ccdf..0000000 --- a/cpu/mcf523x/interrupts.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * - * 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 *) (CONFIG_SYS_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 *) (CONFIG_SYS_INTR_BASE); - - intp->icr0[CONFIG_SYS_TMRINTR_NO] = CONFIG_SYS_TMRINTR_PRI; - intp->imrl0 &= ~INTC_IPRL_INT0; - intp->imrl0 &= ~CONFIG_SYS_TMRINTR_MASK; -} -#endif diff --git a/cpu/mcf523x/speed.c b/cpu/mcf523x/speed.c deleted file mode 100644 index 6096ba4..0000000 --- a/cpu/mcf523x/speed.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * - * (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 = CONFIG_SYS_CLK; - gd->cpu_clk = (gd->bus_clk * 2); - -#ifdef CONFIG_FSL_I2C - gd->i2c1_clk = gd->bus_clk; -#endif - - return (0); -} diff --git a/cpu/mcf523x/start.S b/cpu/mcf523x/start.S deleted file mode 100644 index 20b50e7..0000000 --- a/cpu/mcf523x/start.S +++ /dev/null @@ -1,275 +0,0 @@ -/* - * 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 <timestamp.h> -#include "version.h" -#include <asm/cache.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 #CONFIG_SYS_FLASH_BASE, %d0 - movec %d0, %VBR - - move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0 - movec %d0, %RAMBAR1 - - /* invalidate and disable cache */ - move.l #CF_CACR_CINV, %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 #(ICACHE_STATUS), %a1 /* icache */ - move.l #(DCACHE_STATUS), %a2 /* icache */ - 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 #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_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 #CONFIG_SYS_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 - CONFIG_SYS_MONITOR_BASE), %a1 - jmp (%a1) - -in_ram: - -clear_bss: - /* - * Now clear BSS segment - */ - move.l %a0, %a1 - add.l #(_sbss - CONFIG_SYS_MONITOR_BASE),%a1 - move.l %a0, %d1 - add.l #(_ebss - CONFIG_SYS_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 - CONFIG_SYS_MONITOR_BASE),%a1 - move.l %a1,%a5 /* * fix got pointer register a5 */ - - move.l %a0, %a2 - add.l #(__got_end - CONFIG_SYS_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 - CONFIG_SYS_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 - -/*------------------------------------------------------------------------------*/ - - .globl version_string -version_string: - .ascii U_BOOT_VERSION - .ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")" - .ascii CONFIG_IDENT_STRING, "\0" - .align 4 |