diff options
| -rwxr-xr-x | MAKEALL | 4 | ||||
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | board/idmr/Makefile | 44 | ||||
| -rw-r--r-- | board/idmr/config.mk | 25 | ||||
| -rw-r--r-- | board/idmr/flash.c | 356 | ||||
| -rw-r--r-- | board/idmr/idmr.c | 169 | ||||
| -rw-r--r-- | board/idmr/u-boot.lds | 145 | ||||
| -rw-r--r-- | common/environment.c | 1 | ||||
| -rw-r--r-- | cpu/mcf52x2/start.S | 2 | ||||
| -rw-r--r-- | include/configs/idmr.h | 197 | ||||
| -rw-r--r-- | lib_m68k/time.c | 8 |
11 files changed, 951 insertions, 3 deletions
@@ -299,8 +299,8 @@ LIST_microblaze=" \ LIST_coldfire=" \ cobra5272 EB+MCF-EV123 EB+MCF-EV123_internal \ - M5271EVB M5272C3 M5282EVB TASREG \ - r5200 M5271EVB \ + idmr M5271EVB M5272C3 M5282EVB \ + TASREG r5200 M5271EVB \ " ######################################################################### @@ -1569,6 +1569,9 @@ EB+MCF-EV123_internal_config : unconfig @echo "TEXT_BASE = 0xF0000000"|tee $(obj)board/BuS/EB+MCF-EV123/textbase.mk @$(MKCONFIG) EB+MCF-EV123 m68k mcf52x2 EB+MCF-EV123 BuS +idmr_config : unconfig + @$(MKCONFIG) $(@:_config=) m68k mcf52x2 idmr + M5271EVB_config : unconfig @$(MKCONFIG) $(@:_config=) m68k mcf52x2 m5271evb diff --git a/board/idmr/Makefile b/board/idmr/Makefile new file mode 100644 index 0000000000..cf07cf40fd --- /dev/null +++ b/board/idmr/Makefile @@ -0,0 +1,44 @@ +# +# (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 + +LIB = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o flash.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/idmr/config.mk b/board/idmr/config.mk new file mode 100644 index 0000000000..f7c2258a85 --- /dev/null +++ b/board/idmr/config.mk @@ -0,0 +1,25 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# Coldfire contribution by 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 +# + +TEXT_BASE = 0xff800000 diff --git a/board/idmr/flash.c b/board/idmr/flash.c new file mode 100644 index 0000000000..ba9b009e1c --- /dev/null +++ b/board/idmr/flash.c @@ -0,0 +1,356 @@ +/* + * (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 <common.h> + +#define PHYS_FLASH_1 CFG_FLASH_BASE +#define FLASH_BANK_SIZE 0x800000 +#define EN29LV640 0x227e227e + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; + +void flash_print_info (flash_info_t * info) +{ + int i; + + switch (info->flash_id & FLASH_VENDMASK) { + case (AMD_MANUFACT & FLASH_VENDMASK): + printf ("AMD: "); + break; + default: + printf ("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case (EN29LV640 & FLASH_TYPEMASK): + printf ("EN29LV640 (16Mbit)\n"); + break; + default: + printf ("Unknown Chip Type\n"); + goto Done; + break; + } + + printf (" Size: %ld MB in %d Sectors\n", + info->size >> 20, info->sector_count); + + printf (" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; i++) { + if ((i % 5) == 0) { + printf ("\n "); + } + printf (" %08lX%s", info->start[i], + info->protect[i] ? " (RO)" : " "); + } + printf ("\n"); + + Done: + return; +} + + +unsigned long flash_init (void) +{ + int i, j; + ulong size = 0; + + for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { + ulong flashbase = 0; + + flash_info[i].flash_id = + (AMD_MANUFACT & FLASH_VENDMASK) | + (EN29LV640 & FLASH_TYPEMASK); + flash_info[i].size = FLASH_BANK_SIZE; + flash_info[i].sector_count = CFG_MAX_FLASH_SECT; + memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT); + if (i == 0) + flashbase = PHYS_FLASH_1; + else + panic ("configured to many flash banks!\n"); + + for (j = 0; j < flash_info[i].sector_count; j++) { + flash_info[i].start[j] = flashbase + 0x10000 * j; + } + size += flash_info[i].size; + } + + flash_protect (FLAG_PROTECT_SET, + CFG_FLASH_BASE, + CFG_FLASH_BASE + 0x30000, &flash_info[0]); + + return size; +} + + +#define CMD_READ_ARRAY 0x00F0 +#define CMD_UNLOCK1 0x00AA +#define CMD_UNLOCK2 0x0055 +#define CMD_ERASE_SETUP 0x0080 +#define CMD_ERASE_CONFIRM 0x0030 +#define CMD_PROGRAM 0x00A0 +#define CMD_UNLOCK_BYPASS 0x0020 + +#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CFG_FLASH_BASE + (0x00000555<<1))) +#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CFG_FLASH_BASE + (0x000002AA<<1))) + +#define BIT_ERASE_DONE 0x0080 +#define BIT_RDY_MASK 0x0080 +#define BIT_PROGRAM_ERROR 0x0020 +#define BIT_TIMEOUT 0x80000000 /* our flag */ + +#define READY 1 +#define ERR 2 +#define TMO 4 + + +int flash_erase (flash_info_t * info, int s_first, int s_last) +{ + ulong result; + int iflag, prot, sect; + int rc = ERR_OK; + int chip1; + + /* first look for protection bits */ + + if (info->flash_id == FLASH_UNKNOWN) + return ERR_UNKNOWN_FLASH_TYPE; + + if ((s_first < 0) || (s_first > s_last)) { + return ERR_INVAL; + } + + if ((info->flash_id & FLASH_VENDMASK) != + (AMD_MANUFACT & FLASH_VENDMASK)) { + return ERR_UNKNOWN_FLASH_VENDOR; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + if (prot) + return ERR_PROTECTED; + + /* + * Disable interrupts which might cause a timeout + * here. Remember that our exception vectors are + * at address 0 in the flash, and we don't want a + * (ticker) exception to happen while the flash + * chip is in programming mode. + */ + iflag = disable_interrupts (); + + printf ("\n"); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last && !ctrlc (); sect++) { + printf ("Erasing sector %2d ... ", sect); + + /* arm simple, non interrupt dependent timer */ + set_timer (0); + + if (info->protect[sect] == 0) { /* not protected */ + volatile u16 *addr = + (volatile u16 *) (info->start[sect]); + + MEM_FLASH_ADDR1 = CMD_UNLOCK1; + MEM_FLASH_ADDR2 = CMD_UNLOCK2; + MEM_FLASH_ADDR1 = CMD_ERASE_SETUP; + + MEM_FLASH_ADDR1 = CMD_UNLOCK1; + MEM_FLASH_ADDR2 = CMD_UNLOCK2; + *addr = CMD_ERASE_CONFIRM; + + /* wait until flash is ready */ + chip1 = 0; + + do { + result = *addr; + + /* check timeout */ + if (get_timer (0) > CFG_FLASH_ERASE_TOUT * CFG_HZ / 1000) { + MEM_FLASH_ADDR1 = CMD_READ_ARRAY; + chip1 = TMO; + break; + } + + if (!chip1 + && (result & 0xFFFF) & BIT_ERASE_DONE) + chip1 = READY; + + } while (!chip1); + + MEM_FLASH_ADDR1 = CMD_READ_ARRAY; + + if (chip1 == ERR) { + rc = ERR_PROG_ERROR; + goto outahere; + } + if (chip1 == TMO) { + rc = ERR_TIMOUT; + goto outahere; + } + + printf ("ok.\n"); + } else { /* it was protected */ + + printf ("protected!\n"); + } + } + + if (ctrlc ()) + printf ("User Interrupt!\n"); + + outahere: + /* allow flash to settle - wait 10 ms */ + printf("Waiting 10 ms..."); + udelay (10000); + +/* for (i = 0; i < 10 * 1000 * 1000; ++i) + asm(" nop"); +*/ + + printf("done\n"); + if (iflag) + enable_interrupts (); + + + return rc; +} + +static int write_word (flash_info_t * info, ulong dest, ulong data) +{ + volatile u16 *addr = (volatile u16 *) dest; + ulong result; + int rc = ERR_OK; + int iflag; + int chip1; + + /* + * Check if Flash is (sufficiently) erased + */ + result = *addr; + if ((result & data) != data) + return ERR_NOT_ERASED; + + + /* + * Disable interrupts which might cause a timeout + * here. Remember that our exception vectors are + * at address 0 in the flash, and we don't want a + * (ticker) exception to happen while the flash + * chip is in programming mode. + */ + iflag = disable_interrupts (); + + MEM_FLASH_ADDR1 = CMD_UNLOCK1; + MEM_FLASH_ADDR2 = CMD_UNLOCK2; + MEM_FLASH_ADDR1 = CMD_PROGRAM; + *addr = data; + + /* arm simple, non interrupt dependent timer */ + set_timer (0); + + /* wait until flash is ready */ + chip1 = 0; + do { + result = *addr; + + /* check timeout */ + if (get_timer (0) > CFG_FLASH_ERASE_TOUT * CFG_HZ / 1000) { + chip1 = ERR | TMO; + break; + } + if (!chip1 && ((result & 0x80) == (data & 0x80))) + chip1 = READY; + + } while (!chip1); + + *addr = CMD_READ_ARRAY; + + if (chip1 == ERR || *addr != data) + rc = ERR_PROG_ERROR; + + if (iflag) + enable_interrupts (); + + return rc; +} + + +int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + ulong wp, data; + int rc; + + if (addr & 1) { + printf ("unaligned destination not supported\n"); + return ERR_ALIGN; + } + +#if 0 + if (cnt & 1) { + printf ("odd transfer sizes not supported\n"); + return ERR_ALIGN; + } +#endif + + wp = addr; + + if (addr & 1) { + data = (*((volatile u8 *) addr) << 8) | *((volatile u8 *) + src); + if ((rc = write_word (info, wp - 1, data)) != 0) { + return (rc); + } + src += 1; + wp += 1; + cnt -= 1; + } + + while (cnt >= 2) { + data = *((volatile u16 *) src); + if ((rc = write_word (info, wp, data)) != 0) { + return (rc); + } + src += 2; + wp += 2; + cnt -= 2; + } + + if (cnt == 1) { + data = (*((volatile u8 *) src) << 8) | + *((volatile u8 *) (wp + 1)); + if ((rc = write_word (info, wp, data)) != 0) { + return (rc); + } + src += 1; + wp += 1; + cnt -= 1; + } + + return ERR_OK; +} diff --git a/board/idmr/idmr.c b/board/idmr/idmr.c new file mode 100644 index 0000000000..58cdba1e13 --- /dev/null +++ b/board/idmr/idmr.c @@ -0,0 +1,169 @@ +/* + * (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 <common.h> +#include <asm/m5271.h> +#include <asm/immap_5271.h> + +int checkboard (void) { + puts ("Board: iDMR\n"); + return 0; +}; + +long int initdram (int board_type) { + int i; + + /* + * After reset, CS0 is configured to cover entire address space. We + * need to configure it to its proper values, so that writes to + * CFG_SDRAM_BASE and vicinity during SDRAM controller setup below do + * now fall under CS0 (see 16.3.1 of the MCF5271 Reference Manual). + */ + + /* Flash chipselect, CS0 */ + /* ;CSAR0: Flash at 0xFF800000 */ + mbar_writeShort(0x0080, 0xFF80); + + /* CSCR0: Flash 6 waits, 16bit */ + mbar_writeShort(0x008A, 0x1980); + + /* CSMR0: Flash 8MB, R/W, valid */ + mbar_writeLong(0x0084, 0x007F0001); + + + /* + * SDRAM configuration proper + */ + + /* + * Address/Data Pin Assignment Reg.: enable address lines 23-21; do + * not enable data pins D[15:0], as we have 16 bit port to SDRAM + */ + mbar_writeByte(MCF_GPIO_PAR_AD, + MCF_GPIO_AD_ADDR23 | + MCF_GPIO_AD_ADDR22 | + MCF_GPIO_AD_ADDR21); + + /* No need to configure BS pins - reset values are OK */ + + /* Chip Select Pin Assignment Reg.: set CS[1-7] to GPIO */ + mbar_writeByte(MCF_GPIO_PAR_CS, 0x00); + + /* SDRAM Control Pin Assignment Reg. */ + mbar_writeByte(MCF_GPIO_PAR_SDRAM, + MCF_GPIO_SDRAM_CSSDCS_00 | /* no matter: PAR_CS=0 */ + MCF_GPIO_SDRAM_SDWE | + MCF_GPIO_SDRAM_SCAS | + MCF_GPIO_SDRAM_SRAS | + MCF_GPIO_SDRAM_SCKE | + MCF_GPIO_SDRAM_SDCS_01); + + /* + * Wait 100us. We run the bus at 50Mhz, one cycle is 20ns. So 5 + * iterations will do, but we do 10 just to be safe. + */ + for (i = 0; i < 10; ++i) + asm(" nop"); + + + /* 1. Initialize DRAM Control Register: DCR */ + mbar_writeShort(MCF_SDRAMC_DCR, + MCF_SDRAMC_DCR_RTIM(0x10) | /* 65ns */ + MCF_SDRAMC_DCR_RC(0x60)); /* 1562 cycles */ + + + /* + * 2. Initialize DACR0 + * + * CL: 11 (CL=3: 0x03, 0x02; CL=2: 0x1) + * CBM: cmd at A20, bank select bits 21 and up + * PS: 16 bit + */ + mbar_writeLong(MCF_SDRAMC_DACR0, + MCF_SDRAMC_DACRn_BA(CFG_SDRAM_BASE>>18) | + MCF_SDRAMC_DACRn_BA(0x00) | + MCF_SDRAMC_DACRn_CASL(0x03) | + MCF_SDRAMC_DACRn_CBM(0x03) | + MCF_SDRAMC_DACRn_PS(0x03)); + + /* Initialize DMR0 */ + mbar_writeLong(MCF_SDRAMC_DMR0, + MCF_SDRAMC_DMRn_BAM_16M | + MCF_SDRAMC_DMRn_V); + + + /* 3. Set IP bit in DACR to initiate PALL command */ + mbar_writeLong(MCF_SDRAMC_DACR0, + mbar_readLong(MCF_SDRAMC_DACR0) | + MCF_SDRAMC_DACRn_IP); + + /* Write to this block to initiate precharge */ + *(volatile u16 *)(CFG_SDRAM_BASE) = 0xa5a5; + + /* + * Wait at least 20ns to allow banks to precharge (t_RP = 20ns). We + * wait a wee longer, just to be safe. + */ + for (i = 0; i < 5; ++i) + asm(" nop"); + + + /* 4. Set RE bit in DACR */ + mbar_writeLong(MCF_SDRAMC_DACR0, + mbar_readLong(MCF_SDRAMC_DACR0) | + MCF_SDRAMC_DACRn_RE); + + /* + * Wait for at least 8 auto refresh cycles to occur, i.e. at least + * 781 bus cycles. + */ + for (i = 0; i < 1000; ++i) + asm(" nop"); + + /* Finish the configuration by issuing the MRS */ + mbar_writeLong(MCF_SDRAMC_DACR0, + mbar_readLong(MCF_SDRAMC_DACR0) | + MCF_SDRAMC_DACRn_MRS); + + /* + * Write to the SDRAM Mode Register A0-A11 = 0x400 + * + * Write Burst Mode = Programmed Burst Length + * Op Mode = Standard Op + * CAS Latency = 3 + * Burst Type = Sequential + * Burst Length = 1 + */ + *(volatile u32 *)(CFG_SDRAM_BASE + 0x1800) = 0xa5a5a5a5; + + return CFG_SDRAM_SIZE * 1024 * 1024; +}; + + +int testdram (void) { + + /* TODO: XXX XXX XXX */ + printf ("DRAM test not implemented!\n"); + + return (0); +} diff --git a/board/idmr/u-boot.lds b/board/idmr/u-boot.lds new file mode 100644 index 0000000000..69f31793ad --- /dev/null +++ b/board/idmr/u-boot.lds @@ -0,0 +1,145 @@ +/* + * (C) Copyright 2000 + * 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 + */ + +OUTPUT_ARCH(m68k) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +GROUP(libgcc.a) +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/mcf52x2/start.o (.text) + lib_m68k/traps.o (.text) + cpu/mcf52x2/interrupts.o (.text) + common/dlmalloc.o (.text) + lib_generic/zlib.o (.text) + + . = DEFINED(env_offset) ? env_offset : .; + common/environment.o (.ppcenv) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + + .reloc : + { + __got_start = .; + *(.got) + __got_end = .; + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + _sbss = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + _end = . ; + PROVIDE (end = .); +} diff --git a/common/environment.c b/common/environment.c index 19bdeb0f62..1d425a7309 100644 --- a/common/environment.c +++ b/common/environment.c @@ -61,6 +61,7 @@ defined(CONFIG_TRAB) || \ defined(CONFIG_PPCHAMELEONEVB) || \ defined(CONFIG_M5271EVB) || \ + defined(CONFIG_IDMR) || \ defined(CONFIG_NAND_U_BOOT)) && \ defined(ENV_CRC) /* Environment embedded in U-Boot .ppcenv section */ /* XXX - This only works with GNU C */ diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S index f1f4077ebc..7c9a7d2d2b 100644 --- a/cpu/mcf52x2/start.S +++ b/cpu/mcf52x2/start.S @@ -140,11 +140,11 @@ _start: move.l #(CFG_MBAR + 1), %d0 /* set IPSBAR address + valid flag */ move.l %d0, 0x40000000 -#if defined(CONFIG_M5282) /* Initialize RAMBAR1: locate SRAM and validate it */ move.l #(CFG_INIT_RAM_ADDR + 0x21), %d0 movec %d0, %RAMBAR1 +#if defined(CONFIG_M5282) #if (TEXT_BASE == CFG_INT_FLASH_BASE) /* Setup code in SRAM to initialize FLASHBAR, if start from internal Flash */ diff --git a/include/configs/idmr.h b/include/configs/idmr.h new file mode 100644 index 0000000000..48915b32e3 --- /dev/null +++ b/include/configs/idmr.h @@ -0,0 +1,197 @@ +/* + * Configuration settings for the iDMR board + * + * Based on MC5272C3, r5200 and M5271EVB board configs + * (C) Copyright 2006 Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * (C) Copyright 2006 Lab X Technologies <zachary.landau@labxtechnologies.com> + * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.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 + */ + +#ifndef _IDMR_H +#define _IDMR_H + + +/* + * High Level Configuration Options (easy to change) + */ + +#define CONFIG_MCF52x2 /* define processor family */ +#define CONFIG_M5271 /* define processor type */ +#define CONFIG_IDMR /* define board type */ + +#undef CONFIG_WATCHDOG /* disable watchdog */ + +/* + * Default environment settings + */ +#define CONFIG_BOOTCOMMAND "run net_nfs" +#define CONFIG_BOOTDELAY 5 +#define CONFIG_BAUDRATE 19200 +#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 } +#define CONFIG_ETHADDR 00:06:3b:01:41:55 +#define CONFIG_ETHPRIME +#define CONFIG_IPADDR 192.168.30.1 +#define CONFIG_SERVERIP 192.168.1.1 +#define CONFIG_ROOTPATH +#define CONFIG_GATEWAYIP 192.168.1.1 +#define CONFIG_NETMASK 255.255.0.0 +#define CONFIG_HOSTNAME idmr +#define CONFIG_BOOTFILE /tftpboot/idmr/uImage +#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root " \ + "filesystem over NFS; echo" + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "netdev=eth0\0" \ + "ramargs=setenv bootargs root=/dev/ram rw\0" \ + "addip=setenv bootargs $(bootargs) " \ + "ip=$(ipaddr):$(serverip):$(gatewayip):" \ + "$(netmask):$(hostname):$(netdev):off panic=1\0" \ + "flash_nfs=run nfsargs addip;bootm $(kernel_addr)\0" \ + "flash_self=run ramargs addip;bootm $(kernel_addr) " \ + "$(ramdisk_addr)\0" \ + "net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \ + "nfsargs=setenv bootargs root=/dev/nfs rw " \ + "nfsroot=$(serverip):$(rootpath)\0" \ + "ethact=FEC ETHERNET\0" \ + "update=prot off ff800000 ff81ffff; era ff800000 ff81ffff; " \ + "cp.b 200000 ff800000 $(filesize);" \ + "prot on ff800000 ff81ffff\0" \ + "load=tftp 200000 $(u-boot)\0" \ + "u-boot=/tftpboot/idmr/u-boot.bin\0" \ + "" + +/* + * Commands' definition + */ +#define CONFIG_COMMANDS ((CONFIG_CMD_DFL | \ + CFG_CMD_PING | \ + CFG_CMD_NET | \ + CFG_CMD_MII) & \ + ~(CFG_CMD_LOADS | \ + CFG_CMD_LOADB)) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + + +/* + * Low Level Configuration Settings + * (address mappings, register initial values, etc.) + * You should know what you are doing if you make changes here. + */ + +/* + * Configuration for environment, which occupies third sector in flash. + */ +#ifndef CONFIG_MONITOR_IS_IN_RAM +#define CFG_ENV_ADDR 0xff820000 +#define CFG_ENV_SECT_SIZE 0x10000 +#define CFG_ENV_SIZE 0x2000 +#define CFG_ENV_IS_IN_FLASH +#else /* CONFIG_MONITOR_IS_IN_RAM */ +#define CFG_ENV_OFFSET 0x4000 +#define CFG_ENV_SECT_SIZE 0x2000 +#define CFG_ENV_IS_IN_FLASH +#endif /* !CONFIG_MONITOR_IS_IN_RAM */ + +#define CFG_PROMPT "=> " +#define CFG_LONGHELP /* undef to save memory */ + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else /* !(CONFIG_COMMANDS & CFG_CMD_KGDB) */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif /* (CONFIG_COMMANDS & CFG_CMD_KGDB) */ + +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_LOAD_ADDR 0x00100000 + +#define CFG_MEMTEST_START 0x400 +#define CFG_MEMTEST_END 0x380000 + +#define CFG_HZ (50000000 / 64) +#define CFG_CLK 100000000 + +#define CFG_MBAR 0x40000000 /* Register Base Addrs */ + +/* + * Ethernet + */ +#define FEC_ENET +#define CONFIG_NET_RETRY_COUNT 5 +#define CFG_ENET_BD_BASE 0x480000 +#define CFG_DISCOVER_PHY 1 +#define CONFIG_MII 1 + +/* + * Definitions for initial stack pointer and data area (in DPRAM) + */ +#define CFG_INIT_RAM_ADDR 0x20000000 +#define CFG_INIT_RAM_END 0x1000 /* End of used area in internal SRAM */ +#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +/* + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_SDRAM_SIZE 16 /* SDRAM size in MB */ +#define CFG_FLASH_BASE 0xff800000 + +#ifdef CONFIG_MONITOR_IS_IN_RAM +#define CFG_MONITOR_BASE 0x20000 +#else /* !CONFIG_MONITOR_IS_IN_RAM */ +#define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400) +#endif /* CONFIG_MONITOR_IS_IN_RAM */ + +#define CFG_MONITOR_LEN 0x20000 +#define CFG_MALLOC_LEN (256 << 10) +#define CFG_BOOTPARAMS_LEN (64*1024) + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization ?? + */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +/* FLASH organization */ +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ +#define CFG_FLASH_ERASE_TOUT 1000 + +#define CFG_FLASH_SIZE 0x800000 +/* + * #define CFG_FLASH_USE_BUFFER_WRITE 1 + */ + +/* Cache Configuration */ +#define CFG_CACHELINE_SIZE 16 + +/* Port configuration */ +#define CFG_FECI2C 0xF0 +#endif /* _IDMR_H */ diff --git a/lib_m68k/time.c b/lib_m68k/time.c index d45e470aeb..12e38f0577 100644 --- a/lib_m68k/time.c +++ b/lib_m68k/time.c @@ -153,7 +153,11 @@ void udelay(unsigned long usec) timerp[MCFTIMER_PMR] = 0; /* set period to 1 us */ timerp[MCFTIMER_PCSR] = +#ifdef CONFIG_M5271 + (6 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW; +#else /* !CONFIG_M5271 */ (5 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW; +#endif /* CONFIG_M5271 */ timerp[MCFTIMER_PMR] = tmp; while (timerp[MCFTIMER_PCNTR] > 0); @@ -171,7 +175,11 @@ void timer_init (void) timerp[MCFTIMER_PCSR] = MCFTIMER_PCSR_OVW; timerp[MCFTIMER_PMR] = lastinc = 0; timerp[MCFTIMER_PCSR] = +#ifdef CONFIG_M5271 + (6 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW; +#else /* !CONFIG_M5271 */ (5 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW; +#endif /* CONFIG_M5271 */ } void set_timer (ulong t) |