diff options
Diffstat (limited to 'arch/m68k/cpu/mcf52x2')
-rw-r--r-- | arch/m68k/cpu/mcf52x2/Makefile | 49 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf52x2/config.mk | 64 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf52x2/cpu.c | 408 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf52x2/cpu.h | 33 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf52x2/cpu_init.c | 747 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf52x2/interrupts.c | 107 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf52x2/speed.c | 100 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf52x2/start.S | 335 |
8 files changed, 1843 insertions, 0 deletions
diff --git a/arch/m68k/cpu/mcf52x2/Makefile b/arch/m68k/cpu/mcf52x2/Makefile new file mode 100644 index 0000000..937cdd0 --- /dev/null +++ b/arch/m68k/cpu/mcf52x2/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2000-2006 +# 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 = $(obj)lib$(CPU).a + +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)) +START := $(addprefix $(obj),$(START)) + +all: $(obj).depend $(START) $(LIB) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/m68k/cpu/mcf52x2/config.mk b/arch/m68k/cpu/mcf52x2/config.mk new file mode 100644 index 0000000..52751be --- /dev/null +++ b/arch/m68k/cpu/mcf52x2/config.mk @@ -0,0 +1,64 @@ +# +# (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> +# +# (C) Copyright 2000-2004 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +PLATFORM_RELFLAGS += -ffixed-d7 -msep-data + +cfg=$(shell grep configs $(OBJTREE)/include/config.h | sed 's/.*<\(configs.*\)>/\1/') +is5208:=$(shell grep CONFIG_M5208 $(TOPDIR)/include/$(cfg)) +is5249:=$(shell grep CONFIG_M5249 $(TOPDIR)/include/$(cfg)) +is5253:=$(shell grep CONFIG_M5253 $(TOPDIR)/include/$(cfg)) +is5271:=$(shell grep CONFIG_M5271 $(TOPDIR)/include/$(cfg)) +is5272:=$(shell grep CONFIG_M5272 $(TOPDIR)/include/$(cfg)) +is5275:=$(shell grep CONFIG_M5275 $(TOPDIR)/include/$(cfg)) +is5282:=$(shell grep CONFIG_M5282 $(TOPDIR)/include/$(cfg)) + + +ifneq ($(findstring 4.1,$(shell $(CC) --version)),4.1) + +ifneq (,$(findstring CONFIG_M5208,$(is5208))) +PLATFORM_CPPFLAGS += -mcpu=5208 +endif +ifneq (,$(findstring CONFIG_M5249,$(is5249))) +PLATFORM_CPPFLAGS += -mcpu=5249 +endif +ifneq (,$(findstring CONFIG_M5253,$(is5253))) +PLATFORM_CPPFLAGS += -mcpu=5253 +endif +ifneq (,$(findstring CONFIG_M5271,$(is5271))) +PLATFORM_CPPFLAGS += -mcpu=5271 +endif +ifneq (,$(findstring CONFIG_M5272,$(is5272))) +PLATFORM_CPPFLAGS += -mcpu=5272 +endif +ifneq (,$(findstring CONFIG_M5275,$(is5275))) +PLATFORM_CPPFLAGS += -mcpu=5275 +endif +ifneq (,$(findstring CONFIG_M5282,$(is5282))) +PLATFORM_CPPFLAGS += -mcpu=5282 +endif + +else +PLATFORM_CPPFLAGS += -m5307 +endif diff --git a/arch/m68k/cpu/mcf52x2/cpu.c b/arch/m68k/cpu/mcf52x2/cpu.c new file mode 100644 index 0000000..c4c5d50 --- /dev/null +++ b/arch/m68k/cpu/mcf52x2/cpu.c @@ -0,0 +1,408 @@ +/* + * (C) Copyright 2003 + * Josef Baumgartner <josef.baumgartner@telex.de> + * + * MCF5282 additionals + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de> + * + * MCF5275 additions + * Copyright (C) 2008 Arthur Shipkowski (art@videon-central.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> +#include <netdev.h> +#include "cpu.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_M5208 +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) +{ + char buf1[32], buf2[32]; + + printf("CPU: Freescale Coldfire MCF5208\n" + " 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 *wdt = (volatile wdog_t *)(MMAP_WDOG); + wdt->sr = 0x5555; + wdt->sr = 0xAAAA; +} + +int watchdog_disable(void) +{ + volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); + + wdt->sr = 0x5555; /* reset watchdog counteDECLARE_GLOBAL_DATA_PTR; +r */ + wdt->sr = 0xAAAA; + wdt->cr = 0; /* disable watchdog timer */ + + puts("WATCHDOG:disabled\n"); + return (0); +} + +int watchdog_init(void) +{ + volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); + + wdt->cr = 0; /* disable watchdog */ + + /* set timeout and enable watchdog */ + wdt->mr = + ((CONFIG_WATCHDOG_TIMEOUT * CONFIG_SYS_HZ) / (32768 * 1000)) - 1; + wdt->sr = 0x5555; /* reset watchdog counter */ + wdt->sr = 0xAAAA; + + puts("WATCHDOG:enabled\n"); + return (0); +} +#endif /* #ifdef CONFIG_WATCHDOG */ +#endif /* #ifdef CONFIG_M5208 */ + +#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) +{ + char buf[32]; + unsigned short cir; /* Chip Identification Register */ + unsigned short pin; /* Part identification number */ + unsigned char prn; /* Part revision number */ + char *cpu_model; + + cir = mbar_readShort(MCF_CCM_CIR); + pin = cir >> MCF_CCM_CIR_PIN_LEN; + prn = cir & MCF_CCM_CIR_PRN_MASK; + + switch (pin) { + case MCF_CCM_CIR_PIN_MCF5270: + cpu_model = "5270"; + break; + case MCF_CCM_CIR_PIN_MCF5271: + cpu_model = "5271"; + break; + default: + cpu_model = NULL; + break; + } + + if (cpu_model) + printf("CPU: Freescale ColdFire MCF%s rev. %hu, at %s MHz\n", + cpu_model, prn, strmhz(buf, CONFIG_SYS_CLK)); + else + printf("CPU: Unknown - Freescale ColdFire MCF5271 family" + " (PIN: 0x%x) rev. %hu, at %s MHz\n", + pin, prn, strmhz(buf, CONFIG_SYS_CLK)); + + return 0; +} + +int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) +{ + /* Call the board specific reset actions first. */ + if(board_reset) { + board_reset(); + } + + mbar_writeByte(MCF_RCM_RCR, + MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT); + return 0; +}; + +#if defined(CONFIG_WATCHDOG) +void watchdog_reset(void) +{ + mbar_writeShort(MCF_WTM_WSR, 0x5555); + mbar_writeShort(MCF_WTM_WSR, 0xAAAA); +} + +int watchdog_disable(void) +{ + mbar_writeShort(MCF_WTM_WCR, 0); + return (0); +} + +int watchdog_init(void) +{ + mbar_writeShort(MCF_WTM_WCR, MCF_WTM_WCR_EN); + return (0); +} +#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 *) (MMAP_WDOG); + + wdp->wdog_wrrr = 0; + udelay(1000); + + /* enable watchdog, set timeout to 0 and wait */ + wdp->wdog_wrrr = 1; + while (1) ; + + /* we don't return! */ + return 0; +}; + +int checkcpu(void) +{ + volatile sysctrl_t *sysctrl = (sysctrl_t *) (MMAP_CFG); + uchar msk; + char *suf; + + 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; + } + + if (suf) + printf("Freescale MCF5272 %s\n", suf); + return 0; +}; + +#if defined(CONFIG_WATCHDOG) +/* Called by macro WATCHDOG_RESET */ +void watchdog_reset(void) +{ + volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); + wdt->wdog_wcr = 0; +} + +int watchdog_disable(void) +{ + volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); + + 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"); + return (0); +} + +int watchdog_init(void) +{ + volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); + + wdt->wdog_wirr = 0; /* disable watchdog interrupt */ + + /* set timeout and enable watchdog */ + wdt->wdog_wrrr = + ((CONFIG_WATCHDOG_TIMEOUT * CONFIG_SYS_HZ) / (32768 * 1000)) - 1; + wdt->wdog_wcr = 0; /* reset watchdog counter */ + + puts("WATCHDOG:enabled\n"); + return (0); +} +#endif /* #ifdef CONFIG_WATCHDOG */ + +#endif /* #ifdef CONFIG_M5272 */ + +#ifdef CONFIG_M5275 +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) +{ + char buf[32]; + + printf("CPU: Freescale Coldfire MCF5275 at %s MHz\n", + strmhz(buf, CONFIG_SYS_CLK)); + return 0; +}; + + +#if defined(CONFIG_WATCHDOG) +/* Called by macro WATCHDOG_RESET */ +void watchdog_reset(void) +{ + volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); + wdt->wsr = 0x5555; + wdt->wsr = 0xAAAA; +} + +int watchdog_disable(void) +{ + volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); + + wdt->wsr = 0x5555; /* reset watchdog counter */ + wdt->wsr = 0xAAAA; + wdt->wcr = 0; /* disable watchdog timer */ + + puts("WATCHDOG:disabled\n"); + return (0); +} + +int watchdog_init(void) +{ + volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); + + wdt->wcr = 0; /* disable watchdog */ + + /* set timeout and enable watchdog */ + wdt->wmr = + ((CONFIG_WATCHDOG_TIMEOUT * CONFIG_SYS_HZ) / (32768 * 1000)) - 1; + wdt->wsr = 0x5555; /* reset watchdog counter */ + wdt->wsr = 0xAAAA; + + puts("WATCHDOG:enabled\n"); + return (0); +} +#endif /* #ifdef CONFIG_WATCHDOG */ + +#endif /* #ifdef CONFIG_M5275 */ + +#ifdef CONFIG_M5282 +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" : ""); + return 0; +} + +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 +int checkcpu(void) +{ + char buf[32]; + + printf("CPU: Freescale Coldfire MCF5249 at %s MHz\n", + strmhz(buf, CONFIG_SYS_CLK)); + 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(MCFSIM_SYPCR, 0xc0); + 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, CONFIG_SYS_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; +}; +#endif + +#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/arch/m68k/cpu/mcf52x2/cpu.h b/arch/m68k/cpu/mcf52x2/cpu.h new file mode 100644 index 0000000..c1227eb --- /dev/null +++ b/arch/m68k/cpu/mcf52x2/cpu.h @@ -0,0 +1,33 @@ +/* + * cpu.h + * + * Copyright (c) 2009 Freescale Semiconductor, Inc. + * + * 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., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#ifndef _CPU_H_ +#define _CPU_H_ + +#include <command.h> + +/* Use this to create board specific reset functions */ +void board_reset(void) __attribute__((__weak__)); + +#endif /* _CPU_H_ */ diff --git a/arch/m68k/cpu/mcf52x2/cpu_init.c b/arch/m68k/cpu/mcf52x2/cpu_init.c new file mode 100644 index 0000000..170bbfc --- /dev/null +++ b/arch/m68k/cpu/mcf52x2/cpu_init.c @@ -0,0 +1,747 @@ +/* + * (C) Copyright 2003 + * Josef Baumgartner <josef.baumgartner@telex.de> + * + * MCF5282 additionals + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de> + * (c) Copyright 2010 + * Arcturus Networks Inc. <www.arcturusnetworks.com> + * + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * Hayden Fraser (Hayden.Fraser@freescale.com) + * + * MCF5275 additions + * Copyright (C) 2008 Arthur Shipkowski (art@videon-central.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 + +#ifndef CONFIG_M5272 +/* Only 5272 Flexbus chipselect is different from the rest */ +void init_fbcs(void) +{ + volatile fbcs_t *fbcs = (fbcs_t *) (MMAP_FBCS); + +#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; +#else +#warning "Chip Select 0 are not initialized/used" +#endif +#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \ + && defined(CONFIG_SYS_CS1_CTRL)) + 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)) + 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)) + 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)) + 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)) + 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)) + 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)) + fbcs->csar7 = CONFIG_SYS_CS7_BASE; + fbcs->cscr7 = CONFIG_SYS_CS7_CTRL; + fbcs->csmr7 = CONFIG_SYS_CS7_MASK; +#endif +} +#endif + +#if defined(CONFIG_M5208) +void cpu_init_f(void) +{ + volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1; + +#ifndef CONFIG_WATCHDOG + volatile wdog_t *wdg = (wdog_t *) MMAP_WDOG; + + /* Disable the watchdog if we aren't using it */ + wdg->cr = 0; +#endif + + scm1->mpr = 0x77777777; + scm1->pacra = 0; + scm1->pacrb = 0; + scm1->pacrc = 0; + scm1->pacrd = 0; + scm1->pacre = 0; + scm1->pacrf = 0; + + /* FlexBus Chipselect */ + init_fbcs(); + + 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_UART0_UNMASK; + gpio->par_uart |= (GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD); + break; + case 1: + gpio->par_uart &= GPIO_PAR_UART0_UNMASK; + gpio->par_uart |= (GPIO_PAR_UART_U1TXD | GPIO_PAR_UART_U1RXD); + break; + case 2: +#ifdef CONFIG_SYS_UART2_PRI_GPIO + gpio->par_timer &= + (GPIO_PAR_TMR_TIN0_UNMASK | GPIO_PAR_TMR_TIN1_UNMASK); + gpio->par_timer |= + (GPIO_PAR_TMR_TIN0_U2TXD | GPIO_PAR_TMR_TIN1_U2RXD); +#endif +#ifdef CONFIG_SYS_UART2_ALT1_GPIO + gpio->par_feci2c &= + (GPIO_PAR_FECI2C_MDC_UNMASK | GPIO_PAR_FECI2C_MDIO_UNMASK); + gpio->par_feci2c |= + (GPIO_PAR_FECI2C_MDC_U2TXD | GPIO_PAR_FECI2C_MDIO_U2RXD); +#endif +#ifdef CONFIG_SYS_UART2_ALT1_GPIO + gpio->par_feci2c &= + (GPIO_PAR_FECI2C_SDA_UNMASK | GPIO_PAR_FECI2C_SCL_UNMASK); + gpio->par_feci2c |= + (GPIO_PAR_FECI2C_SDA_U2TXD | GPIO_PAR_FECI2C_SCL_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_fec |= + GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC; + gpio->par_feci2c |= + GPIO_PAR_FECI2C_MDC_MDC | GPIO_PAR_FECI2C_MDIO_MDIO; + } else { + gpio->par_fec &= + (GPIO_PAR_FEC_7W_UNMASK & GPIO_PAR_FEC_MII_UNMASK); + gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII_UNMASK; + } + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif /* CONFIG_M5208 */ + +#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); + + 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 */ + + /* FlexBus Chipselect */ + init_fbcs(); + +#ifdef CONFIG_FSL_I2C + CONFIG_SYS_I2C_PINMUX_REG = + CONFIG_SYS_I2C_PINMUX_REG & CONFIG_SYS_I2C_PINMUX_CLR; + CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET; +#ifdef CONFIG_SYS_I2C2_OFFSET + CONFIG_SYS_I2C2_PINMUX_REG &= CONFIG_SYS_I2C2_PINMUX_CLR; + CONFIG_SYS_I2C2_PINMUX_REG |= CONFIG_SYS_I2C2_PINMUX_SET; +#endif +#endif + + /* 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(int port) +{ + volatile u32 *par = (u32 *) MMAP_PAR; + + /* Setup Ports: */ + switch (port) { + case 1: + *par &= 0xFFE7FFFF; + *par |= 0x00180000; + break; + case 2: + *par &= 0xFFFFFFFC; + *par &= 0x00000003; + break; + } +} +#endif /* #if defined(CONFIG_M5253) */ + +#if defined(CONFIG_M5271) +void cpu_init_f(void) +{ +#ifndef CONFIG_WATCHDOG + /* Disable the watchdog if we aren't using it */ + mbar_writeShort(MCF_WTM_WCR, 0); +#endif + + /* FlexBus Chipselect */ + init_fbcs(); + +#ifdef CONFIG_SYS_MCF_SYNCR + /* Set clockspeed according to board header file */ + mbar_writeLong(MCF_FMPLL_SYNCR, CONFIG_SYS_MCF_SYNCR); +#else + /* Set clockspeed to 100MHz */ + mbar_writeLong(MCF_FMPLL_SYNCR, + MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0)); +#endif + while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK) ; +} + +/* + * initialize higher level parts of CPU like timers + */ +int cpu_init_r(void) +{ + return (0); +} + +void uart_port_conf(int port) +{ + u16 temp; + + /* Setup Ports: */ + switch (port) { + case 0: + temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xFFF3; + temp |= (MCF_GPIO_PAR_UART_U0TXD | MCF_GPIO_PAR_UART_U0RXD); + mbar_writeShort(MCF_GPIO_PAR_UART, temp); + break; + case 1: + temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xF0FF; + temp |= (MCF_GPIO_PAR_UART_U1RXD_UART1 | MCF_GPIO_PAR_UART_U1TXD_UART1); + mbar_writeShort(MCF_GPIO_PAR_UART, temp); + break; + case 2: + temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xCFFF; + temp |= (0x3000); + mbar_writeShort(MCF_GPIO_PAR_UART, temp); + break; + } +} + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + if (setclear) { + /* Enable Ethernet pins */ + mbar_writeByte(MCF_GPIO_PAR_FECI2C, + (mbar_readByte(MCF_GPIO_PAR_FECI2C) | 0xF0)); + } else { + } + + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif + +#if defined(CONFIG_M5272) +/* + * 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) +{ + /* if we come from RAM we assume the CPU is + * already initialized. + */ +#ifndef CONFIG_MONITOR_IS_IN_RAM + volatile sysctrl_t *sysctrl = (sysctrl_t *) (CONFIG_SYS_MBAR); + volatile gpio_t *gpio = (gpio_t *) (MMAP_GPIO); + volatile csctrl_t *csctrl = (csctrl_t *) (MMAP_FBCS); + + sysctrl->sc_scr = CONFIG_SYS_SCR; + sysctrl->sc_spr = CONFIG_SYS_SPR; + + /* Setup Ports: */ + gpio->gpio_pacnt = CONFIG_SYS_PACNT; + gpio->gpio_paddr = CONFIG_SYS_PADDR; + gpio->gpio_padat = CONFIG_SYS_PADAT; + gpio->gpio_pbcnt = CONFIG_SYS_PBCNT; + gpio->gpio_pbddr = CONFIG_SYS_PBDDR; + gpio->gpio_pbdat = CONFIG_SYS_PBDAT; + gpio->gpio_pdcnt = CONFIG_SYS_PDCNT; + + /* Memory Controller: */ + csctrl->cs_br0 = CONFIG_SYS_BR0_PRELIM; + csctrl->cs_or0 = CONFIG_SYS_OR0_PRELIM; + +#if (defined(CONFIG_SYS_OR1_PRELIM) && defined(CONFIG_SYS_BR1_PRELIM)) + csctrl->cs_br1 = CONFIG_SYS_BR1_PRELIM; + csctrl->cs_or1 = CONFIG_SYS_OR1_PRELIM; +#endif + +#if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM) + csctrl->cs_br2 = CONFIG_SYS_BR2_PRELIM; + csctrl->cs_or2 = CONFIG_SYS_OR2_PRELIM; +#endif + +#if defined(CONFIG_SYS_OR3_PRELIM) && defined(CONFIG_SYS_BR3_PRELIM) + csctrl->cs_br3 = CONFIG_SYS_BR3_PRELIM; + csctrl->cs_or3 = CONFIG_SYS_OR3_PRELIM; +#endif + +#if defined(CONFIG_SYS_OR4_PRELIM) && defined(CONFIG_SYS_BR4_PRELIM) + csctrl->cs_br4 = CONFIG_SYS_BR4_PRELIM; + csctrl->cs_or4 = CONFIG_SYS_OR4_PRELIM; +#endif + +#if defined(CONFIG_SYS_OR5_PRELIM) && defined(CONFIG_SYS_BR5_PRELIM) + csctrl->cs_br5 = CONFIG_SYS_BR5_PRELIM; + csctrl->cs_or5 = CONFIG_SYS_OR5_PRELIM; +#endif + +#if defined(CONFIG_SYS_OR6_PRELIM) && defined(CONFIG_SYS_BR6_PRELIM) + csctrl->cs_br6 = CONFIG_SYS_BR6_PRELIM; + csctrl->cs_or6 = CONFIG_SYS_OR6_PRELIM; +#endif + +#if defined(CONFIG_SYS_OR7_PRELIM) && defined(CONFIG_SYS_BR7_PRELIM) + csctrl->cs_br7 = CONFIG_SYS_BR7_PRELIM; + csctrl->cs_or7 = CONFIG_SYS_OR7_PRELIM; +#endif + +#endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */ + + /* 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(int port) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + /* Setup Ports: */ + switch (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; + } +} + +#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->gpio_pbcnt |= GPIO_PBCNT_E_MDC | GPIO_PBCNT_E_RXER | + GPIO_PBCNT_E_RXD1 | GPIO_PBCNT_E_RXD2 | + GPIO_PBCNT_E_RXD3 | GPIO_PBCNT_E_TXD1 | + GPIO_PBCNT_E_TXD2 | GPIO_PBCNT_E_TXD3; + } else { + } + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif /* #if defined(CONFIG_M5272) */ + +#if defined(CONFIG_M5275) + +/* + * Breathe some life into the CPU... + * + * Set up the memory map, + * initialize a bunch of registers, + * initialize the UPM's + */ +void cpu_init_f(void) +{ + /* + * if we come from RAM we assume the CPU is + * already initialized. + */ + +#ifndef CONFIG_MONITOR_IS_IN_RAM + volatile wdog_t *wdog_reg = (wdog_t *) (MMAP_WDOG); + volatile gpio_t *gpio_reg = (gpio_t *) (MMAP_GPIO); + + /* Kill watchdog so we can initialize the PLL */ + wdog_reg->wcr = 0; + + /* FlexBus Chipselect */ + init_fbcs(); +#endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */ + +#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 + + /* 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(int port) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + /* Setup Ports: */ + switch (port) { + case 0: + gpio->par_uart &= ~UART0_ENABLE_MASK; + gpio->par_uart |= UART0_ENABLE_MASK; + break; + case 1: + gpio->par_uart &= ~UART1_ENABLE_MASK; + gpio->par_uart |= UART1_ENABLE_MASK; + break; + case 2: + gpio->par_uart &= ~UART2_ENABLE_MASK; + gpio->par_uart |= UART2_ENABLE_MASK; + break; + } +} + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + struct fec_info_s *info = (struct fec_info_s *) dev->priv; + volatile gpio_t *gpio = (gpio_t *)MMAP_GPIO; + + if (setclear) { + /* Enable Ethernet pins */ + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) { + gpio->par_feci2c |= 0x0F00; + gpio->par_fec0hl |= 0xC0; + } else { + gpio->par_feci2c |= 0x00A0; + gpio->par_fec1hl |= 0xC0; + } + } else { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) { + gpio->par_feci2c &= ~0x0F00; + gpio->par_fec0hl &= ~0xC0; + } else { + gpio->par_feci2c &= ~0x00A0; + gpio->par_fec1hl &= ~0xC0; + } + } + + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif /* #if defined(CONFIG_M5275) */ + +#if defined(CONFIG_M5282) +/* + * 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) +{ +#ifndef CONFIG_WATCHDOG + /* disable watchdog if we aren't using it */ + MCFWTM_WCR = 0; +#endif + +#ifndef CONFIG_MONITOR_IS_IN_RAM + /* Set speed /PLL */ + MCFCLOCK_SYNCR = + MCFCLOCK_SYNCR_MFD(CONFIG_SYS_MFD) | + MCFCLOCK_SYNCR_RFD(CONFIG_SYS_RFD); + while (!(MCFCLOCK_SYNSR & MCFCLOCK_SYNSR_LOCK)) ; + + MCFGPIO_PBCDPAR = 0xc0; + + /* Set up the GPIO ports */ +#ifdef CONFIG_SYS_PEPAR + MCFGPIO_PEPAR = CONFIG_SYS_PEPAR; +#endif +#ifdef CONFIG_SYS_PFPAR + MCFGPIO_PFPAR = CONFIG_SYS_PFPAR; +#endif +#ifdef CONFIG_SYS_PJPAR + MCFGPIO_PJPAR = CONFIG_SYS_PJPAR; +#endif +#ifdef CONFIG_SYS_PSDPAR + MCFGPIO_PSDPAR = CONFIG_SYS_PSDPAR; +#endif +#ifdef CONFIG_SYS_PASPAR + MCFGPIO_PASPAR = CONFIG_SYS_PASPAR; +#endif +#ifdef CONFIG_SYS_PEHLPAR + MCFGPIO_PEHLPAR = CONFIG_SYS_PEHLPAR; +#endif +#ifdef CONFIG_SYS_PQSPAR + MCFGPIO_PQSPAR = CONFIG_SYS_PQSPAR; +#endif +#ifdef CONFIG_SYS_PTCPAR + MCFGPIO_PTCPAR = CONFIG_SYS_PTCPAR; +#endif +#if defined(CONFIG_SYS_PORTTC) + MCFGPIO_PORTTC = CONFIG_SYS_PORTTC; +#endif +#if defined(CONFIG_SYS_DDRTC) + MCFGPIO_DDRTC = CONFIG_SYS_DDRTC; +#endif +#ifdef CONFIG_SYS_PTDPAR + MCFGPIO_PTDPAR = CONFIG_SYS_PTDPAR; +#endif +#ifdef CONFIG_SYS_PUAPAR + MCFGPIO_PUAPAR = CONFIG_SYS_PUAPAR; +#endif + +#if defined(CONFIG_SYS_DDRD) + MCFGPIO_DDRD = CONFIG_SYS_DDRD; +#endif +#ifdef CONFIG_SYS_DDRUA + MCFGPIO_DDRUA = CONFIG_SYS_DDRUA; +#endif + + /* FlexBus Chipselect */ + init_fbcs(); + +#endif /* CONFIG_MONITOR_IS_IN_RAM */ + + /* defer enabling cache until boot (see do_go) */ + /* icache_enable(); */ +} + +/* + * initialize higher level parts of CPU like timers + */ +int cpu_init_r(void) +{ + return (0); +} + +void uart_port_conf(int port) +{ + /* Setup Ports: */ + switch (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; + } +} + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + if (setclear) { + MCFGPIO_PASPAR |= 0x0F00; + MCFGPIO_PEHLPAR = CONFIG_SYS_PEHLPAR; + } else { + MCFGPIO_PASPAR &= 0xF0FF; + MCFGPIO_PEHLPAR &= ~CONFIG_SYS_PEHLPAR; + } + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif + +#if defined(CONFIG_M5249) +/* + * 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) +{ + /* + * 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 + */ + mbar2_writeLong(MCFSIM_GPIO_FUNC, CONFIG_SYS_GPIO_FUNC); + mbar2_writeLong(MCFSIM_GPIO1_FUNC, CONFIG_SYS_GPIO1_FUNC); + mbar2_writeLong(MCFSIM_GPIO_EN, CONFIG_SYS_GPIO_EN); + mbar2_writeLong(MCFSIM_GPIO1_EN, CONFIG_SYS_GPIO1_EN); + mbar2_writeLong(MCFSIM_GPIO_OUT, CONFIG_SYS_GPIO_OUT); + mbar2_writeLong(MCFSIM_GPIO1_OUT, CONFIG_SYS_GPIO1_OUT); + + /* + * dBug Compliance: + * You can verify these values by using dBug's 'ird' + * (Internal Register Display) command + * ~Jeremy + * + */ + 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); + mbar_writeLong(MCFSIM_IMR, 0xfffffbff); + 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); + + 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 */ + + /* Setup interrupt priorities for gpio7 */ + /* mbar2_writeLong(MCFSIM_INTLEV5, 0x70000000); */ + + /* IDE Config registers */ + mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); + mbar2_writeLong(MCFSIM_IDECONFIG2, 0x00000000); + + /* FlexBus Chipselect */ + init_fbcs(); + + /* 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(int port) +{ +} +#endif /* #if defined(CONFIG_M5249) */ diff --git a/arch/m68k/cpu/mcf52x2/interrupts.c b/arch/m68k/cpu/mcf52x2/interrupts.c new file mode 100644 index 0000000..dff8c6a --- /dev/null +++ b/arch/m68k/cpu/mcf52x2/interrupts.c @@ -0,0 +1,107 @@ +/* + * (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 + */ + +#include <common.h> +#include <watchdog.h> +#include <asm/processor.h> +#include <asm/immap.h> + +#ifdef CONFIG_M5272 +int interrupt_init(void) +{ + volatile intctrl_t *intp = (intctrl_t *) (MMAP_INTC); + + /* 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(); + + return 0; +} + +#if defined(CONFIG_MCFTMR) +void dtimer_intr_setup(void) +{ + volatile intctrl_t *intp = (intctrl_t *) (CONFIG_SYS_INTR_BASE); + + intp->int_icr1 &= ~INT_ICR1_TMR3MASK; + intp->int_icr1 |= CONFIG_SYS_TMRINTR_PRI; +} +#endif /* CONFIG_MCFTMR */ +#endif /* CONFIG_M5272 */ + +#if defined(CONFIG_M5208) || defined(CONFIG_M5282) || \ + defined(CONFIG_M5271) || defined(CONFIG_M5275) +int interrupt_init(void) +{ + volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); + + /* Make sure all interrupts are disabled */ +#if defined(CONFIG_M5208) + intp->imrl0 = 0xFFFFFFFF; + intp->imrh0 = 0xFFFFFFFF; +#else + intp->imrl0 |= 0x1; +#endif + + 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 &= 0xFFFFFFFE; + intp->imrl0 &= ~CONFIG_SYS_TMRINTR_MASK; +} +#endif /* CONFIG_MCFTMR */ +#endif /* CONFIG_M5282 | CONFIG_M5271 | CONFIG_M5275 */ + +#if defined(CONFIG_M5249) || defined(CONFIG_M5253) +int interrupt_init(void) +{ + enable_interrupts(); + + return 0; +} + +#if defined(CONFIG_MCFTMR) +void dtimer_intr_setup(void) +{ + mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400); + mbar_writeByte(MCFSIM_TIMER2ICR, CONFIG_SYS_TMRINTR_PRI); +} +#endif /* CONFIG_MCFTMR */ +#endif /* CONFIG_M5249 || CONFIG_M5253 */ diff --git a/arch/m68k/cpu/mcf52x2/speed.c b/arch/m68k/cpu/mcf52x2/speed.c new file mode 100644 index 0000000..b485e1c --- /dev/null +++ b/arch/m68k/cpu/mcf52x2/speed.c @@ -0,0 +1,100 @@ +/* + * (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. + * + * 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) +{ +#if defined(CONFIG_M5208) + volatile pll_t *pll = (pll_t *) MMAP_PLL; + + pll->odr = CONFIG_SYS_PLL_ODR; + pll->fdr = CONFIG_SYS_PLL_FDR; +#endif + +#if defined(CONFIG_M5249) || defined(CONFIG_M5253) + volatile unsigned long cpll = mbar2_readLong(MCFSIM_PLLCR); + unsigned long pllcr; + +#ifndef CONFIG_SYS_PLL_BYPASS + +#ifdef CONFIG_M5249 + /* Setup the PLL to run at the specified speed */ +#ifdef CONFIG_SYS_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 = CONFIG_SYS_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 CONFIG_SYS_PLL_BYPASS */ + +#endif /* CONFIG_M5249 || CONFIG_M5253 */ + +#if defined(CONFIG_M5275) + volatile pll_t *pll = (volatile pll_t *)(MMAP_PLL); + + /* Setup PLL */ + pll->syncr = 0x01080000; + while (!(pll->synsr & FMPLL_SYNSR_LOCK)) + ; + pll->syncr = 0x01000000; + while (!(pll->synsr & FMPLL_SYNSR_LOCK)) + ; +#endif + + gd->cpu_clk = CONFIG_SYS_CLK; +#if defined(CONFIG_M5208) || defined(CONFIG_M5249) || defined(CONFIG_M5253) || \ + defined(CONFIG_M5271) || defined(CONFIG_M5275) + gd->bus_clk = gd->cpu_clk / 2; +#else + gd->bus_clk = gd->cpu_clk; +#endif + +#ifdef CONFIG_FSL_I2C + gd->i2c1_clk = gd->bus_clk; +#ifdef CONFIG_SYS_I2C2_OFFSET + gd->i2c2_clk = gd->bus_clk; +#endif +#endif + + return (0); +} diff --git a/arch/m68k/cpu/mcf52x2/start.S b/arch/m68k/cpu/mcf52x2/start.S new file mode 100644 index 0000000..9ef206a --- /dev/null +++ b/arch/m68k/cpu/mcf52x2/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 <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 + +/* If we come from a pre-loader we don't need an initial exception + * table. + */ +#if !defined(CONFIG_MONITOR_IS_IN_RAM) + +.text +/* + * Vector table. This is used for initial platform startup. + * These vectors are to catch any un-intended traps. + */ +_vectors: + +.long 0x00000000 /* Flash offset is 0 until we setup CS0 */ +#if defined(CONFIG_M5282) && (TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) +.long _start - TEXT_BASE +#else +.long _START +#endif + +.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 + +.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 + +.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 + +.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 + +#endif + + .text + + +#if defined(CONFIG_SYS_INT_FLASH_BASE) && \ + (defined(CONFIG_M5282) || defined(CONFIG_M5281)) + #if (TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) + .long 0x55AA55AA,0xAA55AA55 /* CFM Backdoorkey */ + .long 0xFFFFFFFF /* all sectors protected */ + .long 0x00000000 /* supervisor/User restriction */ + .long 0x00000000 /* programm/data space restriction */ + .long 0x00000000 /* Flash security */ + #endif +#endif + .globl _start +_start: + nop + nop + move.w #0x2700,%sr + +#if defined(CONFIG_M5208) + /* Initialize RAMBAR: locate SRAM and validate it */ + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0 + movec %d0, %RAMBAR1 +#endif + +#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5253) + move.l #(CONFIG_SYS_MBAR + 1), %d0 /* set MBAR address + valid flag */ + move.c %d0, %MBAR + + /*** The 5249 has MBAR2 as well ***/ +#ifdef CONFIG_SYS_MBAR2 + move.l #(CONFIG_SYS_MBAR2 + 1), %d0 /* Get MBAR2 address */ + movec %d0, #0xc0e /* Set MBAR2 */ +#endif + + move.l #(CONFIG_SYS_INIT_RAM_ADDR + 1), %d0 + movec %d0, %RAMBAR0 +#endif /* CONFIG_M5272 || CONFIG_M5249 || CONFIG_M5253 */ + +#if defined(CONFIG_M5282) || defined(CONFIG_M5271) + /* Initialize IPSBAR */ + move.l #(CONFIG_SYS_MBAR + 1), %d0 /* set IPSBAR address + valid flag */ + move.l %d0, 0x40000000 + + /* Initialize RAMBAR1: locate SRAM and validate it */ + move.l #(CONFIG_SYS_INIT_RAM_ADDR + 0x21), %d0 + movec %d0, %RAMBAR1 + +#if defined(CONFIG_M5282) +#if (TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) + /* Setup code in SRAM to initialize FLASHBAR, if start from internal Flash */ + + move.l #(_flashbar_setup-CONFIG_SYS_INT_FLASH_BASE), %a0 + move.l #(_flashbar_setup_end-CONFIG_SYS_INT_FLASH_BASE), %a1 + move.l #(CONFIG_SYS_INIT_RAM_ADDR), %a2 +_copy_flash: + move.l (%a0)+, (%a2)+ + cmp.l %a0, %a1 + bgt.s _copy_flash + jmp CONFIG_SYS_INIT_RAM_ADDR + +_flashbar_setup: + /* Initialize FLASHBAR: locate internal Flash and validate it */ + move.l #(CONFIG_SYS_INT_FLASH_BASE + CONFIG_SYS_INT_FLASH_ENABLE), %d0 + movec %d0, %FLASHBAR + jmp _after_flashbar_copy.L /* Force jump to absolute address */ +_flashbar_setup_end: + nop +_after_flashbar_copy: +#else + /* Setup code to initialize FLASHBAR, if start from external Memory */ + move.l #(CONFIG_SYS_INT_FLASH_BASE + CONFIG_SYS_INT_FLASH_ENABLE), %d0 + movec %d0, %FLASHBAR +#endif /* (TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) */ + +#endif +#endif + /* if we come from a pre-loader we have no exception table and + * therefore no VBR to set + */ +#if !defined(CONFIG_MONITOR_IS_IN_RAM) +#if defined(CONFIG_M5282) && (TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) + move.l #CONFIG_SYS_INT_FLASH_BASE, %d0 +#else + move.l #CONFIG_SYS_FLASH_BASE, %d0 +#endif + movec %d0, %VBR +#endif + +#ifdef CONFIG_M5275 + /* Initialize IPSBAR */ + move.l #(CONFIG_SYS_MBAR + 1), %d0 /* set IPSBAR address + valid flag */ + move.l %d0, 0x40000000 +/* movec %d0, %MBAR */ + + /* Initialize RAMBAR: locate SRAM and validate it */ + move.l #(CONFIG_SYS_INIT_RAM_ADDR + 0x21), %d0 + movec %d0, %RAMBAR1 +#endif + + /* 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 */ +#if defined(DEBUG) && (TEXT_BASE != CONFIG_SYS_INT_FLASH_BASE) && \ + defined(CONFIG_SYS_HALT_BEFOR_RAM_JUMP) + halt +#endif + 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 |