From a4145534851bf74619cb373a942613a74547bb82 Mon Sep 17 00:00:00 2001 From: Peter Tyser Date: Mon, 12 Apr 2010 22:28:12 -0500 Subject: m68k: Move cpu/$CPU to arch/m68k/cpu/$CPU Signed-off-by: Peter Tyser --- cpu/mcf5227x/Makefile | 48 ----- cpu/mcf5227x/config.mk | 31 --- cpu/mcf5227x/cpu.c | 77 ------- cpu/mcf5227x/cpu_init.c | 206 ------------------- cpu/mcf5227x/interrupts.c | 52 ----- cpu/mcf5227x/speed.c | 140 ------------- cpu/mcf5227x/start.S | 513 ---------------------------------------------- 7 files changed, 1067 deletions(-) delete mode 100644 cpu/mcf5227x/Makefile delete mode 100644 cpu/mcf5227x/config.mk delete mode 100644 cpu/mcf5227x/cpu.c delete mode 100644 cpu/mcf5227x/cpu_init.c delete mode 100644 cpu/mcf5227x/interrupts.c delete mode 100644 cpu/mcf5227x/speed.c delete mode 100644 cpu/mcf5227x/start.S (limited to 'cpu/mcf5227x') diff --git a/cpu/mcf5227x/Makefile b/cpu/mcf5227x/Makefile deleted file mode 100644 index d0e9b45..0000000 --- a/cpu/mcf5227x/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 $(obj).depend - -######################################################################### diff --git a/cpu/mcf5227x/config.mk b/cpu/mcf5227x/config.mk deleted file mode 100644 index 8eab49d..0000000 --- a/cpu/mcf5227x/config.mk +++ /dev/null @@ -1,31 +0,0 @@ -# -# (C) Copyright 2003 Josef Baumgartner -# -# (C) Copyright 2000-2004 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -PLATFORM_RELFLAGS += -ffixed-d7 -msep-data -ifneq ($(findstring 4.1,$(shell $(CC) --version)),4.1) -PLATFORM_CPPFLAGS += -mcpu=52277 -fPIC -else -PLATFORM_CPPFLAGS += -m5307 -fPIC -endif diff --git a/cpu/mcf5227x/cpu.c b/cpu/mcf5227x/cpu.c deleted file mode 100644 index d9f5f43..0000000 --- a/cpu/mcf5227x/cpu.c +++ /dev/null @@ -1,77 +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 -#include -#include - -#include - -DECLARE_GLOBAL_DATA_PTR; - -int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) -{ - volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM); - udelay(1000); - rcm->rcr |= RCM_RCR_SOFTRST; - - /* we don't return! */ - return 0; -}; - -int checkcpu(void) -{ - volatile ccm_t *ccm = (ccm_t *) MMAP_CCM; - u16 msk; - u16 id = 0; - u8 ver; - - puts("CPU: "); - msk = (ccm->cir >> 6); - ver = (ccm->cir & 0x003f); - switch (msk) { - case 0x6c: - id = 52277; - break; - } - - if (id) { - char buf1[32], buf2[32], buf3[32]; - - printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, - ver); - printf(" CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n", - strmhz(buf1, gd->cpu_clk), - strmhz(buf2, gd->bus_clk), - strmhz(buf3, gd->flb_clk)); - printf(" INP CLK %s MHz VCO CLK %s MHz\n", - strmhz(buf1, gd->inp_clk), - strmhz(buf2, gd->vco_clk)); - } - - return 0; -} diff --git a/cpu/mcf5227x/cpu_init.c b/cpu/mcf5227x/cpu_init.c deleted file mode 100644 index beb78f5..0000000 --- a/cpu/mcf5227x/cpu_init.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * - * (C) Copyright 2000-2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2004-2007 Freescale Semiconductor, Inc. - * TsiChung Liew (Tsi-Chung.Liew@freescale.com) - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include - -#include -#include - -/* - * Breath some life into the CPU... - * - * Set up the memory map, - * initialize a bunch of registers, - * initialize the UPM's - */ -void cpu_init_f(void) -{ - volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1; - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; - volatile pll_t *pll = (volatile pll_t *)MMAP_PLL; - -#if !defined(CONFIG_CF_SBF) - /* Workaround, must place before fbcs */ - pll->psr = 0x12; - - scm1->mpr = 0x77777777; - scm1->pacra = 0; - scm1->pacrb = 0; - scm1->pacrc = 0; - scm1->pacrd = 0; - scm1->pacre = 0; - scm1->pacrf = 0; - scm1->pacrg = 0; - scm1->pacri = 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 -#endif /* CONFIG_CF_SBF */ - -#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 - -#ifdef CONFIG_FSL_I2C - gpio->par_i2c = GPIO_PAR_I2C_SCL_SCL | GPIO_PAR_I2C_SDA_SDA; -#endif - - icache_enable(); -} - -/* - * initialize higher level parts of CPU like timers - */ -int cpu_init_r(void) -{ -#ifdef CONFIG_MCFRTC - volatile rtc_t *rtc = (volatile rtc_t *)(CONFIG_SYS_MCFRTC_BASE); - volatile rtcex_t *rtcex = (volatile rtcex_t *)&rtc->extended; - - rtcex->gocu = (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xFFFF; - rtcex->gocl = CONFIG_SYS_RTC_OSCILLATOR & 0xFFFF; -#endif - - 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_U0TXD_UNMASK & GPIO_PAR_UART_U0RXD_UNMASK); - gpio->par_uart |= - (GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD); - break; - case 1: - gpio->par_uart &= - (GPIO_PAR_UART_U1TXD_UNMASK & GPIO_PAR_UART_U1RXD_UNMASK); - gpio->par_uart |= - (GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD); - break; - case 2: - gpio->par_dspi &= - (GPIO_PAR_DSPI_SIN_UNMASK & GPIO_PAR_DSPI_SOUT_UNMASK); - gpio->par_dspi = - (GPIO_PAR_DSPI_SIN_U2RXD | GPIO_PAR_DSPI_SOUT_U2TXD); - break; - } -} - -#ifdef CONFIG_CF_DSPI -void cfspi_port_conf(void) -{ - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - - gpio->par_dspi = - GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT | - GPIO_PAR_DSPI_SCK_SCK; -} - -int cfspi_claim_bus(uint bus, uint cs) -{ - volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - - if ((dspi->sr & DSPI_SR_TXRXS) != DSPI_SR_TXRXS) - return -1; - - /* Clear FIFO and resume transfer */ - dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); - - switch (cs) { - case 0: - gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_UNMASK; - gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0; - break; - case 2: - gpio->par_timer &= GPIO_PAR_TIMER_T2IN_UNMASK; - gpio->par_timer |= GPIO_PAR_TIMER_T2IN_DSPIPCS2; - break; - } - - return 0; -} - -void cfspi_release_bus(uint bus, uint cs) -{ - volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - - dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); /* Clear FIFO */ - - switch (cs) { - case 0: - gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; - break; - case 2: - gpio->par_timer &= GPIO_PAR_TIMER_T2IN_UNMASK; - break; - } -} -#endif diff --git a/cpu/mcf5227x/interrupts.c b/cpu/mcf5227x/interrupts.c deleted file mode 100644 index 85828a6..0000000 --- a/cpu/mcf5227x/interrupts.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * - * (C) Copyright 2000-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. - * TsiChung Liew (Tsi-Chung.Liew@freescale.com) - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* CPU specific interrupt routine */ -#include -#include - -int interrupt_init(void) -{ - volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); - - /* Make sure all interrupts are disabled */ - intp->imrh0 |= 0xFFFFFFFF; - intp->imrl0 |= 0xFFFFFFFF; - - enable_interrupts(); - return 0; -} - -#if defined(CONFIG_MCFTMR) -void dtimer_intr_setup(void) -{ - volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); - - intp->icr0[CONFIG_SYS_TMRINTR_NO] = CONFIG_SYS_TMRINTR_PRI; - intp->imrh0 &= ~CONFIG_SYS_TMRINTR_MASK; -} -#endif diff --git a/cpu/mcf5227x/speed.c b/cpu/mcf5227x/speed.c deleted file mode 100644 index 7e385d3..0000000 --- a/cpu/mcf5227x/speed.c +++ /dev/null @@ -1,140 +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 - */ - -#include -#include - -#include - -DECLARE_GLOBAL_DATA_PTR; - -/* - * Low Power Divider specifications - */ -#define CLOCK_LPD_MIN (1 << 0) /* Divider (decoded) */ -#define CLOCK_LPD_MAX (1 << 15) /* Divider (decoded) */ - -#define CLOCK_PLL_FVCO_MAX 540000000 -#define CLOCK_PLL_FVCO_MIN 300000000 - -#define CLOCK_PLL_FSYS_MAX 266666666 -#define CLOCK_PLL_FSYS_MIN 100000000 -#define MHZ 1000000 - -void clock_enter_limp(int lpdiv) -{ - volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM; - int i, j; - - /* Check bounds of divider */ - if (lpdiv < CLOCK_LPD_MIN) - lpdiv = CLOCK_LPD_MIN; - if (lpdiv > CLOCK_LPD_MAX) - lpdiv = CLOCK_LPD_MAX; - - /* Round divider down to nearest power of two */ - for (i = 0, j = lpdiv; j != 1; j >>= 1, i++) ; - - /* Apply the divider to the system clock */ - ccm->cdr = (ccm->cdr & 0xF0FF) | CCM_CDR_LPDIV(i); - - /* Enable Limp Mode */ - ccm->misccr |= CCM_MISCCR_LIMP; -} - -/* - * brief Exit Limp mode - * warning The PLL should be set and locked prior to exiting Limp mode - */ -void clock_exit_limp(void) -{ - volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM; - volatile pll_t *pll = (volatile pll_t *)MMAP_PLL; - - /* Exit Limp mode */ - ccm->misccr &= ~CCM_MISCCR_LIMP; - - /* Wait for the PLL to lock */ - while (!(pll->psr & PLL_PSR_LOCK)) ; -} - -/* - * get_clocks() fills in gd->cpu_clock and gd->bus_clk - */ -int get_clocks(void) -{ - - volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM; - volatile pll_t *pll = (volatile pll_t *)MMAP_PLL; - int vco, temp, pcrvalue, pfdr; - u8 bootmode; - - pcrvalue = pll->pcr & 0xFF0F0FFF; - pfdr = pcrvalue >> 24; - - if (pfdr == 0x1E) - bootmode = 0; /* Normal Mode */ - -#ifdef CONFIG_CF_SBF - bootmode = 3; /* Serial Mode */ -#endif - - if (bootmode == 0) { - /* Normal mode */ - vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC; - if ((vco < CLOCK_PLL_FVCO_MIN) || (vco > CLOCK_PLL_FVCO_MAX)) { - /* Default value */ - pcrvalue = (pll->pcr & 0x00FFFFFF); - pcrvalue |= 0x1E << 24; - pll->pcr = pcrvalue; - vco = - ((pll->pcr & 0xFF000000) >> 24) * - CONFIG_SYS_INPUT_CLKSRC; - } - gd->vco_clk = vco; /* Vco clock */ - } else if (bootmode == 3) { - /* serial mode */ - vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC; - gd->vco_clk = vco; /* Vco clock */ - } - - if ((ccm->ccr & CCM_MISCCR_LIMP) == CCM_MISCCR_LIMP) { - /* Limp mode */ - } else { - gd->inp_clk = CONFIG_SYS_INPUT_CLKSRC; /* Input clock */ - - temp = (pll->pcr & PLL_PCR_OUTDIV1_MASK) + 1; - gd->cpu_clk = vco / temp; /* cpu clock */ - - temp = ((pll->pcr & PLL_PCR_OUTDIV2_MASK) >> 4) + 1; - gd->flb_clk = vco / temp; /* flexbus clock */ - gd->bus_clk = gd->flb_clk; - } - -#ifdef CONFIG_FSL_I2C - gd->i2c1_clk = gd->bus_clk; -#endif - - return (0); -} diff --git a/cpu/mcf5227x/start.S b/cpu/mcf5227x/start.S deleted file mode 100644 index 30428f1..0000000 --- a/cpu/mcf5227x/start.S +++ /dev/null @@ -1,513 +0,0 @@ -/* - * Copyright (C) 2003 Josef Baumgartner - * Based on code from Bernhard Kuhn - * - * 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 -#include -#include "version.h" -#include - -#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 defined(CONFIG_CF_SBF) -#define ASM_DRAMINIT (asm_dram_init - TEXT_BASE + CONFIG_SYS_INIT_RAM_ADDR) -#define ASM_SBF_IMG_HDR (asm_sbf_img_hdr - TEXT_BASE + CONFIG_SYS_INIT_RAM_ADDR) -#endif - -.text -/* - * Vector table. This is used for initial platform startup. - * These vectors are to catch any un-intended traps. - */ -_vectors: - -#if defined(CONFIG_CF_SBF) -INITSP: .long 0 /* Initial SP */ -INITPC: .long ASM_DRAMINIT /* Initial PC */ -#else -INITSP: .long 0 /* Initial SP */ -INITPC: .long _START /* Initial PC */ -#endif - -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 */ - -#if !defined(CONFIG_CF_SBF) -/* 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 -#endif - -#if defined(CONFIG_CF_SBF) - /* Image header: chksum 4 bytes, len 4 bytes, img dest 4 bytes */ -asm_sbf_img_hdr: - .long 0x00000000 /* checksum, not yet implemented */ - .long 0x00020000 /* image length */ - .long TEXT_BASE /* image to be relocated at */ - -asm_dram_init: - move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0 - movec %d0, %RAMBAR1 /* init Rambar */ - move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp - clr.l %sp@- - - /* Must disable global address */ - move.l #0xFC008000, %a1 - move.l #(CONFIG_SYS_CS0_BASE), (%a1) - move.l #0xFC008008, %a1 - move.l #(CONFIG_SYS_CS0_CTRL), (%a1) - move.l #0xFC008004, %a1 - move.l #(CONFIG_SYS_CS0_MASK), (%a1) - - /* - * Dram Initialization - * a1, a2, and d0 - */ - /* mscr sdram */ - move.l #0xFC0A4074, %a1 - move.b #(CONFIG_SYS_SDRAM_DRV_STRENGTH), (%a1) - nop - - /* SDRAM Chip 0 and 1 */ - move.l #0xFC0B8110, %a1 - move.l #0xFC0B8114, %a2 - - /* calculate the size */ - move.l #0x13, %d1 - move.l #(CONFIG_SYS_SDRAM_SIZE), %d2 -#ifdef CONFIG_SYS_SDRAM_BASE1 - lsr.l #1, %d2 -#endif - -dramsz_loop: - lsr.l #1, %d2 - add.l #1, %d1 - cmp.l #1, %d2 - bne dramsz_loop - - /* SDRAM Chip 0 and 1 */ - move.l #(CONFIG_SYS_SDRAM_BASE), (%a1) - or.l %d1, (%a1) -#ifdef CONFIG_SYS_SDRAM_BASE1 - move.l #(CONFIG_SYS_SDRAM_BASE1), (%a2) - or.l %d1, (%a2) -#endif - nop - - /* dram cfg1 and cfg2 */ - move.l #0xFC0B8008, %a1 - move.l #(CONFIG_SYS_SDRAM_CFG1), (%a1) - nop - move.l #0xFC0B800C, %a2 - move.l #(CONFIG_SYS_SDRAM_CFG2), (%a2) - nop - - move.l #0xFC0B8000, %a1 /* Mode */ - move.l #0xFC0B8004, %a2 /* Ctrl */ - - /* Issue PALL */ - move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2) - nop - - /* Issue LEMR */ - move.l #(CONFIG_SYS_SDRAM_MODE), (%a1) - nop - move.l #(CONFIG_SYS_SDRAM_EMOD), (%a1) - nop - - move.l #1000, %d0 -wait1000: - nop - subq.l #1, %d0 - bne wait1000 - - /* Issue PALL */ - move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2) - nop - - /* Perform two refresh cycles */ - move.l #(CONFIG_SYS_SDRAM_CTRL + 4), %d0 - nop - move.l %d0, (%a2) - move.l %d0, (%a2) - nop - - move.l #(CONFIG_SYS_SDRAM_CTRL), %d0 - and.l #0x7FFFFFFF, %d0 - or.l #0x10000c00, %d0 - move.l %d0, (%a2) - nop - - /* - * DSPI Initialization - * a0 - general, sram - 0x80008000 - 32, see M52277EVB.h - * a1 - dspi status - * a2 - dtfr - * a3 - drfr - * a4 - Dst addr - */ - - /* Enable pins for DSPI mode - chip-selects are enabled later */ - move.l #0xFC0A4036, %a0 - move.b #0x3F, %d0 - move.b %d0, (%a0) - - /* DSPI CS */ -#ifdef CONFIG_SYS_DSPI_CS0 - move.b (%a0), %d0 - or.l #0xC0, %d0 - move.b %d0, (%a0) -#endif -#ifdef CONFIG_SYS_DSPI_CS2 - move.l #0xFC0A4037, %a0 - move.b (%a0), %d0 - or.l #0x10, %d0 - move.b %d0, (%a0) -#endif - nop - - /* Configure DSPI module */ - move.l #0xFC05C000, %a0 - move.l #0x80FF0C00, (%a0) /* Master, clear TX/RX FIFO */ - - move.l #0xFC05C00C, %a0 - move.l #0x3E000011, (%a0) - - move.l #0xFC05C034, %a2 /* dtfr */ - move.l #0xFC05C03B, %a3 /* drfr */ - - move.l #(ASM_SBF_IMG_HDR + 4), %a1 - move.l (%a1)+, %d5 - move.l (%a1), %a4 - - move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_SBFHDR_DATA_OFFSET), %a0 - move.l #(CONFIG_SYS_SBFHDR_SIZE), %d4 - - move.l #0xFC05C02C, %a1 /* dspi status */ - - /* Issue commands and address */ - move.l #0x8004000B, %d2 /* Fast Read Cmd */ - jsr asm_dspi_wr_status - jsr asm_dspi_rd_status - - move.l #0x80040000, %d2 /* Address byte 2 */ - jsr asm_dspi_wr_status - jsr asm_dspi_rd_status - - move.l #0x80040000, %d2 /* Address byte 1 */ - jsr asm_dspi_wr_status - jsr asm_dspi_rd_status - - move.l #0x80040000, %d2 /* Address byte 0 */ - jsr asm_dspi_wr_status - jsr asm_dspi_rd_status - - move.l #0x80040000, %d2 /* Dummy Wr and Rd */ - jsr asm_dspi_wr_status - jsr asm_dspi_rd_status - - /* Transfer serial boot header to sram */ -asm_dspi_rd_loop1: - move.l #0x80040000, %d2 - jsr asm_dspi_wr_status - jsr asm_dspi_rd_status - - move.b %d1, (%a0) /* read, copy to dst */ - - add.l #1, %a0 /* inc dst by 1 */ - sub.l #1, %d4 /* dec cnt by 1 */ - bne asm_dspi_rd_loop1 - - /* Transfer u-boot from serial flash to memory */ -asm_dspi_rd_loop2: - move.l #0x80040000, %d2 - jsr asm_dspi_wr_status - jsr asm_dspi_rd_status - - move.b %d1, (%a4) /* read, copy to dst */ - - add.l #1, %a4 /* inc dst by 1 */ - sub.l #1, %d5 /* dec cnt by 1 */ - bne asm_dspi_rd_loop2 - - move.l #0x00040000, %d2 /* Terminate */ - jsr asm_dspi_wr_status - jsr asm_dspi_rd_status - - /* jump to memory and execute */ - move.l #(TEXT_BASE + 0x400), %a0 - move.l %a0, (%a1) - jmp (%a0) - -asm_dspi_wr_status: - move.l (%a1), %d0 /* status */ - and.l #0x0000F000, %d0 - cmp.l #0x00003000, %d0 - bgt asm_dspi_wr_status - - move.l %d2, (%a2) - rts - -asm_dspi_rd_status: - move.l (%a1), %d0 /* status */ - and.l #0x000000F0, %d0 - lsr.l #4, %d0 - cmp.l #0, %d0 - beq asm_dspi_rd_status - - move.b (%a3), %d1 - rts -#endif /* CONFIG_CF_SBF */ - - .text - . = 0x400 - .globl _start -_start: - nop - nop - move.w #0x2700,%sr /* Mask off Interrupt */ - - /* Set vector base register at the beginning of the Flash */ -#if defined(CONFIG_CF_SBF) - move.l #TEXT_BASE, %d0 - movec %d0, %VBR -#else - 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 -#endif - - /* invalidate and disable cache */ - move.l #CF_CACR_CINV, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - move.l #0, %d0 - movec %d0, %ACR0 - movec %d0, %ACR1 - - /* initialize general use internal ram */ - move.l #0, %d0 - move.l #(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 -- cgit v1.1