Changes since U-Boot 1.1.1:
======================================================================
+* Add support for UC100 board
+
* Patch by Stefan Roese, 16 Dez 2004:
- ext2fs support added
- Tundra universe support added
FPS850L LANTEC QS850 TQM850L \
GEN860T lwmon QS860T TQM855L \
GEN860T_SC MBX quantum TQM860L \
- v37 \
+ UC100 v37 \
"
#########################################################################
@echo "#define CONFIG_SHARP_LQ104V7DS01" >>include/config.h
@./mkconfig -a TQM823L ppc mpc8xx tqm8xx
+UC100_config : unconfig
+ @./mkconfig $(@:_config=) ppc mpc8xx uc100
+
v37_config: unconfig
@echo "#define CONFIG_LCD" >include/config.h
@echo "#define CONFIG_SHARP_LQ084V1DG21" >>include/config.h
--- /dev/null
+#
+# (C) Copyright 2000-2003
+# 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 $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+#OBJS = $(BOARD).o flash.o
+OBJS = $(BOARD).o
+
+$(LIB): .depend $(OBJS)
+ $(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
--- /dev/null
+#
+# (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
+#
+
+#
+# UC100 boards
+#
+
+#TEXT_BASE = 0x40000000
+TEXT_BASE = 0x40700000
--- /dev/null
+/*
+ * (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(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+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/mpc8xx/start.o (.text)
+ cpu/mpc8xx/traps.o (.text)
+ common/dlmalloc.o (.text)
+ lib_ppc/ppcstring.o (.text)
+ lib_generic/vsprintf.o (.text)
+ lib_generic/crc32.o (.text)
+ lib_generic/zlib.o (.text)
+ lib_ppc/cache.o (.text)
+ lib_ppc/time.o (.text)
+
+ common/environment.o (.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _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) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
--- /dev/null
+/*
+ * (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(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+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/mpc8xx/start.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/vsprintf.o (.text)
+ lib_generic/crc32.o (.text)
+
+ common/environment.o(.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x0FFF) & 0xFFFFF000;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _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(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
--- /dev/null
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#if 0
+#define DEBUG
+#endif
+
+#include <common.h>
+#include <mpc8xx.h>
+#include <i2c.h>
+
+
+/*********************************************************************/
+/* UPMA Pre Initilization Table by WV (Miron MT48LC16M16A2-7E B) */
+/*********************************************************************/
+const uint sdram_init_upm_table[] = {
+ /* SDRAM Initialisation Sequence (offset 0 in UPMA RAM) WV */
+ /* NOP - Precharge - AutoRefr - NOP - NOP */
+ /* NOP - AutoRefr - NOP */
+ /* NOP - NOP - LoadModeR - NOP - Active */
+ /* Position of Single Read */
+ 0x0ffffc04, 0x0ff77c04, 0x0ff5fc04, 0x0ffffc04, 0x0ffffc04,
+ 0x0ffffc04, 0x0ff5fc04, 0x0ffffc04,
+
+ /* Burst Read. (offset 8 in UPMA RAM) */
+ /* Cycle lent for Initialisation WV */
+ 0x0ffffc04, 0x0ffffc34, 0x0f057c34, 0x0ffffc30, 0x1ff7fc05,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Single Write. (offset 18 in UPMA RAM) */
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Burst Write. (offset 20 in UPMA RAM) */
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Refresh (offset 30 in UPMA RAM) */
+ 0x0FF77C04, 0x0FFFFC04, 0x0FF5FC84, 0x0FFFFC04, 0x0FFFFC04,
+ 0x0FFFFC84, 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Exception. (offset 3c in UPMA RAM) */
+ 0x7FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+};
+
+/*********************************************************************/
+/* UPMA initilization table. */
+/*********************************************************************/
+const uint sdram_upm_table[] = {
+ /* single read. (offset 0 in UPMA RAM) */
+ 0x0F07FC04, 0x0FFFFC04, 0x00BDFC04, 0x0FF77C00, 0x1FFFFC05,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, /* 0x05-0x07 new WV */
+
+ /* Burst Read. (offset 8 in UPMA RAM) */
+ 0x0F07FC04, 0x0FFFFC04, 0x00BDFC04, 0x00FFFC00, 0x00FFFC00,
+ 0x00FFFC00, 0x0FF77C00, 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Single Write. (offset 18 in UPMA RAM) */
+ 0x0F07FC04, 0x0FFFFC00, 0x00BD7C04, 0x0FFFFC04, 0x0FF77C04,
+ 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Burst Write. (offset 20 in UPMA RAM) */
+ 0x0F07FC04, 0x0FFFFC00, 0x00BD7C00, 0x00FFFC00, 0x00FFFC00,
+ 0x00FFFC04, 0x0FFFFC04, 0x0FF77C04, 0x1FFFFC05, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Refresh (offset 30 in UPMA RAM) */
+ 0x0FF77C04, 0x0FFFFC04, 0x0FF5FC84, 0x0FFFFC04, 0x0FFFFC04,
+ 0x0FFFFC84, 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Exception. (offset 3c in UPMA RAM) */
+ 0x7FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, /* 0x3C new WV */
+};
+
+/*********************************************************************/
+/* UPMB initilization table. */
+/*********************************************************************/
+const uint mpm_upm_table[] = {
+ /* single read. (offset 0 in upm RAM) */
+ 0x8FF00004, 0x0FF00004, 0x0FF81004, 0x1FF00001,
+ 0x1FF00001, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* burst read. (Offset 8 in upm RAM) */
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* single write. (Offset 0x18 in upm RAM) */
+ 0x8FF00004, 0x0FF00004, 0x0FF81004, 0x0FF00004,
+ 0x0FF00004, 0x1FF00001, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* burst write. (Offset 0x20 in upm RAM) */
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Refresh cycle, offset 0x30 */
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Exception, 0ffset 0x3C */
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+};
+
+
+int board_switch(void)
+{
+ volatile pcmconf8xx_t *pcmp;
+
+ pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
+
+ return ((pcmp->pcmc_pipr >> 24) & 0xf);
+}
+
+
+/*
+ * Check Board Identity:
+ */
+int checkboard (void)
+{
+ unsigned char str[64];
+ int i = getenv_r ("serial#", str, sizeof(str));
+
+ puts ("Board: ");
+
+ if (i == -1) {
+ puts ("### No HW ID - assuming UC100");
+ } else {
+ puts(str);
+ }
+
+ printf (" (SWITCH=%1X)\n", board_switch());
+
+ return 0;
+}
+
+
+/*
+ * Initialize SDRAM
+ */
+long int initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+ /*---------------------------------------------------------------------*/
+ /* Initialize the UPMA/UPMB registers with the appropriate table. */
+ /*---------------------------------------------------------------------*/
+ upmconfig (UPMA, (uint *) sdram_init_upm_table,
+ sizeof (sdram_init_upm_table) / sizeof (uint));
+ upmconfig (UPMB, (uint *) mpm_upm_table,
+ sizeof (mpm_upm_table) / sizeof (uint));
+
+ /*---------------------------------------------------------------------*/
+ /* Memory Periodic Timer Prescaler: divide by 16 */
+ /*---------------------------------------------------------------------*/
+ memctl->memc_mptpr = 0x0200; /* Divide by 32 WV */
+
+ memctl->memc_mamr = CFG_MAMR_VAL & 0xFF7FFFFF; /* Bit 8 := "0" Kein Refresh WV */
+ memctl->memc_mbmr = CFG_MBMR_VAL;
+
+ /*---------------------------------------------------------------------*/
+ /* Initialize the Memory Controller registers, MPTPR, Chip Select 1 */
+ /* for SDRAM */
+ /* */
+ /* NOTE: The refresh rate in MAMR reg is set according to the lowest */
+ /* clock rate (16.67MHz) to allow proper operation for all ADS */
+ /* clock frequencies. */
+ /*---------------------------------------------------------------------*/
+ memctl->memc_or1 = CFG_OR1_PRELIM;
+ memctl->memc_br1 = CFG_BR1_PRELIM;
+
+ /*-------------------------------------------------------------------*/
+ /* Wait at least 200 usec for DRAM to stabilize, this magic number */
+ /* obtained from the init code. */
+ /*-------------------------------------------------------------------*/
+ udelay(200);
+
+ memctl->memc_mamr = (memctl->memc_mamr | 0x04) & ~0x08;
+
+ memctl->memc_br1 = CFG_BR1_PRELIM;
+ memctl->memc_or1 = CFG_OR1_PRELIM;
+
+ /*---------------------------------------------------------------------*/
+ /* run MRS command in location 5-8 of UPMB. */
+ /*---------------------------------------------------------------------*/
+ memctl->memc_mar = 0x88;
+ /* RUN UPMA on CS1 1-time from UPMA addr 0x05 */
+
+ memctl->memc_mcr = 0x80002100;
+ /* RUN UPMA on CS1 1-time from UPMA addr 0x00 WV */
+
+ udelay(200);
+
+ /*---------------------------------------------------------------------*/
+ /* Initialisation for normal access WV */
+ /*---------------------------------------------------------------------*/
+
+ /*---------------------------------------------------------------------*/
+ /* Initialize the UPMA register with the appropriate table. */
+ /*---------------------------------------------------------------------*/
+ upmconfig (UPMA, (uint *) sdram_upm_table,
+ sizeof (sdram_upm_table) / sizeof (uint));
+
+ /*---------------------------------------------------------------------*/
+ /* rerstore MBMR value (4-beat refresh burst.) */
+ /*---------------------------------------------------------------------*/
+ memctl->memc_mamr = CFG_MAMR_VAL | 0x00800000; /* Bit 8 := "1" Refresh Enable WV */
+
+ udelay(200);
+
+ return (64 * 1024 * 1024); /* fixed setup for 64MBytes! */
+}
+
+
+int misc_init_r (void)
+{
+ uchar val;
+
+ /*
+ * Make sure that RTC has clock output enabled (triggers watchdog!)
+ */
+ val = i2c_reg_read (CFG_I2C_RTC_ADDR, 0x0D);
+ val |= 0x80;
+ i2c_reg_write (CFG_I2C_RTC_ADDR, 0x0D, val);
+
+ return 0;
+}
+
+
+#ifdef CONFIG_POST
+/*
+ * Returns 1 if keys pressed to start the power-on long-running tests
+ * Called from board_init_f().
+ */
+int post_hotkeys_pressed (void)
+{
+ return 0; /* No hotkeys supported */
+}
+#endif
#endif /* NETTA */
+/* -------------------------------------------------------------------- */
+/* UC100 Boards */
+/* -------------------------------------------------------------------- */
+
+#if defined(CONFIG_UC100)
+
+#define PCMCIA_BOARD_MSG "UC100"
+
+/*
+ * Remark: don't turn off OE "__MY_PCMCIA_GCRX_CXOE" on UC100 board.
+ * This leads to board-hangup! (sr, 8 Dez. 2004)
+ */
+
+static void cfg_ports (void);
+
+static int hardware_enable(int slot)
+{
+ volatile immap_t *immap;
+ volatile cpm8xx_t *cp;
+ volatile pcmconf8xx_t *pcmp;
+ volatile sysconf8xx_t *sysp;
+ uint reg, mask;
+
+ debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
+
+ udelay(10000);
+
+ immap = (immap_t *)CFG_IMMR;
+ sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf));
+ pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
+ cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm));
+
+ /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */
+ cfg_ports ();
+
+ /*
+ * Configure SIUMCR to enable PCMCIA port B
+ * (VFLS[0:1] are not used for debugging, we connect FRZ# instead)
+ */
+ sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */
+
+ /* clear interrupt state, and disable interrupts */
+ pcmp->pcmc_pscr = PCMCIA_MASK(_slot_);
+ pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_);
+
+ /*
+ * Disable interrupts, DMA, and PCMCIA buffers
+ * (isolate the interface) and assert RESET signal
+ */
+ debug ("Disable PCMCIA buffers and assert RESET\n");
+ reg = 0;
+ reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
+ PCMCIA_PGCRX(_slot_) = reg;
+ udelay(500);
+
+ /*
+ * Make sure there is a card in the slot, then configure the interface.
+ */
+ udelay(10000);
+ debug ("[%d] %s: PIPR(%p)=0x%x\n",
+ __LINE__,__FUNCTION__,
+ &(pcmp->pcmc_pipr),pcmp->pcmc_pipr);
+ if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) {
+ printf (" No Card found\n");
+ return (1);
+ }
+
+ /*
+ * Power On.
+ */
+ mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot);
+ reg = pcmp->pcmc_pipr;
+ debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n",
+ reg,
+ (reg&PCMCIA_VS1(slot))?"n":"ff",
+ (reg&PCMCIA_VS2(slot))?"n":"ff");
+ if ((reg & mask) == mask) {
+ puts (" 5.0V card found: ");
+ } else {
+ puts (" 3.3V card found: ");
+ }
+
+ /* switch VCC on */
+ immap->im_ioport.iop_padat |= 0x8000; /* power enable 3.3V */
+
+ udelay(10000);
+
+ debug ("Enable PCMCIA buffers and stop RESET\n");
+ reg = PCMCIA_PGCRX(_slot_);
+ reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(_slot_) = reg;
+
+ udelay(250000); /* some cards need >150 ms to come up :-( */
+
+ debug ("# hardware_enable done\n");
+
+ return (0);
+}
+
+
+#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)
+static int hardware_disable(int slot)
+{
+ volatile immap_t *immap;
+ volatile cpm8xx_t *cp;
+ volatile pcmconf8xx_t *pcmp;
+ u_long reg;
+
+ debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
+
+ immap = (immap_t *)CFG_IMMR;
+ pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
+
+ /* switch VCC off */
+ immap->im_ioport.iop_padat &= ~0x8000; /* power disable 3.3V */
+
+ /* Configure PCMCIA General Control Register */
+ debug ("Disable PCMCIA buffers and assert RESET\n");
+ reg = 0;
+ reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
+ PCMCIA_PGCRX(_slot_) = reg;
+
+ udelay(10000);
+
+ return (0);
+}
+#endif /* CFG_CMD_PCMCIA */
+
+
+static int voltage_set(int slot, int vcc, int vpp)
+{
+ volatile immap_t *immap;
+ volatile pcmconf8xx_t *pcmp;
+ u_long reg;
+
+ debug ("voltage_set: "
+ PCMCIA_BOARD_MSG
+ " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n",
+ 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10);
+
+ immap = (immap_t *)CFG_IMMR;
+ pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
+ /*
+ * Disable PCMCIA buffers (isolate the interface)
+ * and assert RESET signal
+ */
+ debug ("Disable PCMCIA buffers and assert RESET\n");
+ reg = PCMCIA_PGCRX(_slot_);
+ reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
+ PCMCIA_PGCRX(_slot_) = reg;
+ udelay(500);
+
+ /*
+ * Configure Port C pins for
+ * 5 Volts Enable and 3 Volts enable,
+ * Turn all power pins to Hi-Z
+ */
+ debug ("PCMCIA power OFF\n");
+ cfg_ports (); /* Enables switch, but all in Hi-Z */
+
+ debug ("Enable PCMCIA buffers and stop RESET\n");
+ reg = PCMCIA_PGCRX(_slot_);
+ reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(_slot_) = reg;
+ udelay(500);
+
+ debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n",
+ slot+'A');
+ return (0);
+}
+
+static void cfg_ports (void)
+{
+ volatile immap_t *immap;
+
+ immap = (immap_t *)CFG_IMMR;
+
+ /*
+ * Configure Port A for MAX1602 PC-Card Power-Interface Switch
+ */
+ immap->im_ioport.iop_padat &= ~0x8000; /* set port x output to low */
+ immap->im_ioport.iop_padir |= 0x8000; /* enable port x as output */
+
+ debug ("Set Port A: PAR: %08x DIR: %08x DAT: %08x\n",
+ immap->im_ioport.iop_papar, immap->im_ioport.iop_padir,
+ immap->im_ioport.iop_padat);
+}
+
+#endif /* UC100 */
+
+
/* -------------------------------------------------------------------- */
#endif /* CFG_CMD_PCMCIA || (CFG_CMD_IDE && CONFIG_IDE_8xx_PCCARD) */
default: suf = NULL; break;
}
+#ifndef CONFIG_MPC857
if (suf)
printf ("%cPC862%sZPnn%s", pre, mid, suf);
else
printf ("unknown MPC862 (0x%08x)", k);
+#else
+ if (suf)
+ printf ("%cPC857TZPnn%s", pre, suf); /* only 857T tested right now! */
+ else
+ printf ("unknown MPC857 (0x%08x)", k);
+#endif
printf (" at %s MHz:", strmhz (buf, clock));
#define CFI_CMDSET_SST 258
+#ifdef CFG_FLASH_CFI_AMD_RESET /* needed for STM_ID_29W320DB on UC100 */
+# undef FLASH_CMD_RESET
+# define FLASH_CMD_RESET AMD_CMD_RESET /* use AMD-Reset instead */
+#endif
+
+
typedef union {
unsigned char c;
unsigned short w;
--- /dev/null
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC860 1
+#define CONFIG_MPC860T 1
+#define CONFIG_MPC862 1 /* enable 862 since the */
+#define CONFIG_MPC857 1 /* 857 is a variant of the 862 */
+
+#define CONFIG_UC100 1 /* ...on a UC100 module */
+
+#define MPC8XX_FACT 4 /* Multiply by 4 */
+#define MPC8XX_XIN 25000000 /* 25.0 MHz in */
+#define CONFIG_8xx_GCLK_FREQ (MPC8XX_FACT * MPC8XX_XIN)
+ /* define if cant' use get_gclk_freq */
+
+#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
+#undef CONFIG_8xx_CONS_SMC2
+#undef CONFIG_8xx_CONS_NONE
+
+#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */
+
+#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
+
+#define CONFIG_BOOTCOUNT_LIMIT
+
+#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
+
+#define CONFIG_BOARD_TYPES 1 /* support board types */
+
+#define CONFIG_PREBOOT "echo;" \
+ "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
+ "echo"
+
+#undef CONFIG_BOOTARGS
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "netdev=eth0\0" \
+ "nfsargs=setenv bootargs root=/dev/nfs rw " \
+ "nfsroot=$(serverip):$(rootpath)\0" \
+ "ramargs=setenv bootargs root=/dev/ram rw\0" \
+ "addip=setenv bootargs $(bootargs) " \
+ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
+ ":$(hostname):$(netdev):off panic=1\0" \
+ "addtty=setenv bootargs $(bootargs) console=ttyS0,$(baudrate)\0"\
+ "flash_nfs=run nfsargs addip addtty;" \
+ "bootm $(kernel_addr)\0" \
+ "flash_self=run ramargs addip addtty;" \
+ "bootm $(kernel_addr) $(ramdisk_addr)\0" \
+ "net_nfs=tftp 200000 $(bootfile);run nfsargs addip addtty;" \
+ "bootm\0" \
+ "rootpath=/opt/eldk/ppc_8xx\0" \
+ "bootfile=/tftpboot/uc100/uImage\0" \
+ "kernel_addr=40000000\0" \
+ "ramdisk_addr=40100000\0" \
+ "load=tftp 100000 /tftpboot/uc100/u-boot.bin\0" \
+ "update=protect off 40700000 4073ffff;era 40700000 4073ffff;" \
+ "cp.b 100000 40700000 $(filesize);" \
+ "setenv filesize;saveenv\0" \
+ ""
+#define CONFIG_BOOTCOMMAND "run flash_self"
+
+#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
+#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
+
+#undef CONFIG_WATCHDOG /* watchdog disabled */
+
+#undef CONFIG_STATUS_LED /* no status-led */
+
+#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
+
+#define CONFIG_MAC_PARTITION
+#define CONFIG_DOS_PARTITION
+
+#undef CONFIG_RTC_MPC8xx
+#define CFG_I2C_RTC_ADDR 0x51 /* PCF8563 RTC */
+#define CONFIG_RTC_PCF8563 /* use Philips PCF8563 RTC */
+
+/*
+ * Power On Self Test support
+ */
+#define CONFIG_POST ( CFG_POST_CACHE | \
+ CFG_POST_MEMORY | \
+ CFG_POST_CPU | \
+ CFG_POST_UART | \
+ CFG_POST_SPR )
+#undef CONFIG_POST
+
+#ifdef CONFIG_POST
+#define CFG_CMD_POST_DIAG CFG_CMD_DIAG
+#else
+#define CFG_CMD_POST_DIAG 0
+#endif
+
+#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
+ CFG_CMD_ASKENV | \
+ CFG_CMD_DHCP | \
+ CFG_CMD_ELF | \
+ CFG_CMD_IDE | \
+ CFG_CMD_FAT | \
+ CFG_CMD_MII | \
+ CFG_CMD_PING | \
+ CFG_CMD_I2C | \
+ CFG_CMD_EEPROM | \
+ CFG_CMD_DATE | \
+ CFG_CMD_POST_DIAG )
+
+#define CONFIG_NETCONSOLE
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=> " /* Monitor Command Prompt */
+
+#if 0
+#define CFG_HUSH_PARSER 1 /* use "hush" command parser */
+#endif
+#ifdef CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2 "> "
+#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+#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_MEMTEST_START 0x0400000 /* memtest works on */
+#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
+
+#define CFG_LOAD_ADDR 0x100000 /* default load address */
+
+#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
+
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+/*-----------------------------------------------------------------------
+ * Internal Memory Mapped Register
+ */
+#define CFG_IMMR 0xF0000000
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR CFG_IMMR
+#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
+#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_FLASH_BASE 0x40000000
+#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
+#define CFG_MONITOR_BASE (CFG_FLASH_BASE+0x00700000) /* resetvec fff00100*/
+#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
+
+/*-----------------------------------------------------------------------
+ * Address accessed to reset the board - must not be mapped/assigned
+ */
+#define CFG_RESET_ADDRESS 0x90000000
+
+/*
+ * 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_FLASH_CFI /* The flash is CFI compatible */
+#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
+#define CFG_FLASH_CFI_AMD_RESET 1 /* AMD RESET for STM 29W320DB! */
+
+#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
+
+#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
+
+#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
+
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_ADDR (CFG_MONITOR_BASE+CFG_MONITOR_LEN)
+#define CFG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */
+#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
+
+/* Address and size of Redundant Environment Sector */
+#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR+CFG_ENV_SECT_SIZE)
+#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
+#endif
+
+/*-----------------------------------------------------------------------
+ * SYPCR - System Protection Control 11-9
+ * SYPCR can only be written once after reset!
+ *-----------------------------------------------------------------------
+ * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
+ */
+#if defined(CONFIG_WATCHDOG)
+#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
+ SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
+#else
+#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
+#endif
+
+/*-----------------------------------------------------------------------
+ * SIUMCR - SIU Module Configuration 11-6
+ *-----------------------------------------------------------------------
+ * PCMCIA config., multi-function pin tri-state
+ */
+#define CFG_SIUMCR (SIUMCR_FRC | SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
+
+/*-----------------------------------------------------------------------
+ * TBSCR - Time Base Status and Control 11-26
+ *-----------------------------------------------------------------------
+ * Clear Reference Interrupt Status, Timebase freezing enabled
+ */
+#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
+
+/*-----------------------------------------------------------------------
+ * RTCSC - Real-Time Clock Status and Control Register 11-27
+ *-----------------------------------------------------------------------
+ */
+#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
+
+/*-----------------------------------------------------------------------
+ * PISCR - Periodic Interrupt Status and Control 11-31
+ *-----------------------------------------------------------------------
+ * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
+ */
+#define CFG_PISCR (PISCR_PS | PISCR_PITF)
+
+/*-----------------------------------------------------------------------
+ * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
+ *-----------------------------------------------------------------------
+ * Reset PLL lock status sticky bit, timer expired status bit and timer
+ * interrupt status bit
+ */
+#define CFG_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
+ PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
+
+/*-----------------------------------------------------------------------
+ * SCCR - System Clock and reset Control Register 15-27
+ *-----------------------------------------------------------------------
+ * Set clock output, timebase and RTC source and divider,
+ * power management and some other internal clocks
+ */
+#define SCCR_MASK 0x00000000
+#define CFG_SCCR (SCCR_EBDF11)
+
+/*-----------------------------------------------------------------------
+ * PCMCIA stuff
+ *-----------------------------------------------------------------------
+ *
+ */
+#define CFG_PCMCIA_MEM_ADDR (0xE0000000)
+#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
+#define CFG_PCMCIA_DMA_ADDR (0xE4000000)
+#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
+#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
+#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
+#define CFG_PCMCIA_IO_ADDR (0xEC000000)
+#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
+
+/*-----------------------------------------------------------------------
+ * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
+ *-----------------------------------------------------------------------
+ */
+
+#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
+
+#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
+#undef CONFIG_IDE_LED /* LED for ide not supported */
+#undef CONFIG_IDE_RESET /* reset for ide not supported */
+
+#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
+#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
+
+#define CFG_ATA_IDE0_OFFSET 0x0000
+
+#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
+
+/* Offset for data I/O */
+#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
+
+/* Offset for normal register accesses */
+#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
+
+/* Offset for alternate registers */
+#define CFG_ATA_ALT_OFFSET 0x0100
+
+/*-----------------------------------------------------------------------
+ *
+ *-----------------------------------------------------------------------
+ *
+ */
+#define CFG_DER 0
+
+/*
+ * Init Memory Controller:
+ *
+ * BR0/1 and OR0/1 (FLASH)
+ */
+
+#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
+#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
+
+/* used to re-map FLASH both when starting from SRAM or FLASH:
+ * restrict access enough to keep SRAM working (if any)
+ * but not too much to meddle with FLASH accesses
+ */
+#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
+#define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
+
+/*
+ * FLASH timing:
+ */
+#define CFG_OR_TIMING_FLASH (0x00000d24)
+
+#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
+#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
+#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
+
+#define CFG_BR1_PRELIM 0x00000081 /* Chip select for SDRAM (32 Bit, UPMA) */
+#define CFG_OR1_PRELIM 0xfc000a00
+#define CFG_BR2_PRELIM 0x80000001 /* Chip select for SRAM (32 Bit, GPCM) */
+#define CFG_OR2_PRELIM 0xfff00d24
+#define CFG_BR3_PRELIM 0x80600401 /* Chip select for Display (8 Bit, GPCM) */
+#define CFG_OR3_PRELIM 0xffff8f44
+#define CFG_BR4_PRELIM 0xc05108c1 /* Chip select for Interbus MPM (16 Bit, UPMB) */
+#define CFG_OR4_PRELIM 0xffff0300
+#define CFG_BR5_PRELIM 0xc0500401 /* Chip select for Interbus Status (8 Bit, GPCM) */
+#define CFG_OR5_PRELIM 0xffff8db0
+
+/*
+ * Memory Periodic Timer Prescaler
+ *
+ * The Divider for PTA (refresh timer) configuration is based on an
+ * example SDRAM configuration (64 MBit, one bank). The adjustment to
+ * the number of chip selects (NCS) and the actually needed refresh
+ * rate is done by setting MPTPR.
+ *
+ * PTA is calculated from
+ * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
+ *
+ * gclk CPU clock (not bus clock!)
+ * Trefresh Refresh cycle * 4 (four word bursts used)
+ *
+ * 4096 Rows from SDRAM example configuration
+ * 1000 factor s -> ms
+ * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
+ * 4 Number of refresh cycles per period
+ * 64 Refresh cycle in ms per number of rows
+ * --------------------------------------------
+ * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
+ *
+ * 50 MHz => 50.000.000 / Divider = 98
+ * 66 Mhz => 66.000.000 / Divider = 129
+ * 80 Mhz => 80.000.000 / Divider = 156
+ * 100 Mhz => 100.000.000 / Divider = 195
+ */
+
+#define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
+#define CFG_MAMR_PTA 98
+
+/*
+ * For 16 MBit, refresh rates could be 31.3 us
+ * (= 64 ms / 2K = 125 / quad bursts).
+ * For a simpler initialization, 15.6 us is used instead.
+ *
+ * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
+ * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
+ */
+#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
+#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
+
+/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
+#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
+#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
+
+/*
+ * MAMR settings for SDRAM
+ */
+
+/* 8 column SDRAM */
+#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
+ MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
+ MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
+/* 9 column SDRAM */
+#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
+ MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
+ MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
+
+#define CFG_MAMR_VAL 0x30904114 /* for SDRAM */
+#define CFG_MBMR_VAL 0xff001111 /* for Interbus-MPM */
+
+/*-----------------------------------------------------------------------
+ * I2C stuff
+ */
+
+/* enable I2C and select the hardware/software driver */
+#undef CONFIG_HARD_I2C /* I2C with hardware support */
+#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
+
+#define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */
+#define CFG_I2C_SLAVE 0xFE
+
+#ifdef CONFIG_SOFT_I2C
+/*
+ * Software (bit-bang) I2C driver configuration
+ */
+#define PB_SCL 0x00000020 /* PB 26 */
+#define PB_SDA 0x00000010 /* PB 27 */
+
+#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
+#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
+#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
+#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
+#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
+ else immr->im_cpm.cp_pbdat &= ~PB_SDA
+#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
+ else immr->im_cpm.cp_pbdat &= ~PB_SCL
+#define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
+#endif /* CONFIG_SOFT_I2C */
+
+/*-----------------------------------------------------------------------
+ * I2C EEPROM (24C164)
+ */
+#define CFG_I2C_EEPROM_ADDR 0x58 /* EEPROM AT24C164 */
+#define CFG_I2C_EEPROM_ADDR_LEN 1
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
+#define CFG_EEPROM_PAGE_WRITE_BITS 4
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM 0x02 /* Software reboot */
+
+#define CONFIG_FEC_ENET 1 /* use FEC ethernet */
+#define FEC_ENET
+#define CONFIG_MII
+#define CFG_DISCOVER_PHY 1
+
+#endif /* __CONFIG_H */
# define CONFIG_PCMCIA_SLOT_A
#elif defined(CONFIG_NETTA)
# define CONFIG_PCMCIA_SLOT_A
+#elif defined(CONFIG_UC100) /* The UC100 use SLOT_B */
+# define CONFIG_PCMCIA_SLOT_B
#else
# error "PCMCIA Slot not configured"
#endif
projects / karo-tx-uboot.git / commitdiff