- fix cmd_ide.c for non ppc boards (read/write functions did not
add ATA base address)
- fix for shannon board
- #ifdef CONFIG_IDE_8xx_DIRECT some otherwise unused code
* Patch by Sangmoon Kim, 07 Oct 2003:
add support for debris board
master
wdenk
22 years ago
parent
a0ff7f2eda
commit
15647dc7fd
@ -0,0 +1,40 @@ |
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#
|
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# (C) Copyright 2000
|
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
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#
|
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# See file CREDITS for list of people who contributed to this
|
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# project.
|
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#
|
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# This program is free software; you can redistribute it and/or
|
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# modify it under the terms of the GNU General Public License as
|
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# published by the Free Software Foundation; either version 2 of
|
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# the License, or (at your option) any later version.
|
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#
|
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# This program is distributed in the hope that it will be useful,
|
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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# GNU General Public License for more details.
|
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#
|
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# You should have received a copy of the GNU General Public License
|
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# along with this program; if not, write to the Free Software
|
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk |
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LIB = lib$(BOARD).a
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OBJS = $(BOARD).o flash.o phantom.o
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$(LIB): .depend $(OBJS) |
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$(AR) crv $@ $(OBJS)
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#########################################################################
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.depend: Makefile $(OBJS:.o=.c) |
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$(CC) -M $(CFLAGS) $(OBJS:.o=.c) > $@
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sinclude .depend |
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#########################################################################
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@ -0,0 +1,31 @@ |
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#
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# (C) Copyright 2000, 2001
|
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# Sangmoon, Etin Systems, dogoil@etinsys.com.
|
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#
|
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# See file CREDITS for list of people who contributed to this
|
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# project.
|
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#
|
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# This program is free software; you can redistribute it and/or
|
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# modify it under the terms of the GNU General Public License as
|
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# published by the Free Software Foundation; either version 2 of
|
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# the License, or (at your option) any later version.
|
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#
|
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# This program is distributed in the hope that it will be useful,
|
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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# GNU General Public License for more details.
|
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#
|
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# You should have received a copy of the GNU General Public License
|
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# along with this program; if not, write to the Free Software
|
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
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# MA 02111-1307 USA
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#
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#
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# Debris boards
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#
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#TEXT_BASE = 0x00090000
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TEXT_BASE = 0xFFF00000
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PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)
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@ -0,0 +1,158 @@ |
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/*
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* (C) Copyright 2000 |
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* Sangmoon Kim, Etin Systems. dogoil@etinsys.com. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <mpc824x.h> |
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#include <pci.h> |
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int checkboard (void) |
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{ |
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/*TODO: Check processor type */ |
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puts ( "Board: Debris " |
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#ifdef CONFIG_MPC8240 |
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"8240" |
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#endif |
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#ifdef CONFIG_MPC8245 |
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"8245" |
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#endif |
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" ##Test not implemented yet##\n"); |
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return 0; |
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} |
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#if 0 /* NOT USED */
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int checkflash (void) |
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{ |
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/* TODO: XXX XXX XXX */ |
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printf ("## Test not implemented yet ##\n"); |
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return (0); |
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} |
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#endif |
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long int initdram (int board_type) |
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{ |
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int i, cnt; |
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volatile uchar * base= CFG_SDRAM_BASE; |
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volatile ulong * addr; |
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ulong save[32]; |
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ulong val, ret = 0; |
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for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) { |
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addr = (volatile ulong *)base + cnt; |
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save[i++] = *addr; |
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*addr = ~cnt; |
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} |
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addr = (volatile ulong *)base; |
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save[i] = *addr; |
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*addr = 0; |
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if (*addr != 0) { |
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*addr = save[i]; |
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goto Done; |
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} |
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for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) { |
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addr = (volatile ulong *)base + cnt; |
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val = *addr; |
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*addr = save[--i]; |
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if (val != ~cnt) { |
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/* ulong new_bank0_end = cnt * sizeof(long) - 1;
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ulong mear1 = mpc824x_mpc107_getreg(MEAR1); |
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ulong emear1 = mpc824x_mpc107_getreg(EMEAR1); |
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mear1 = (mear1 & 0xFFFFFF00) | |
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((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT); |
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emear1 = (emear1 & 0xFFFFFF00) | |
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((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT); |
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mpc824x_mpc107_setreg(MEAR1, mear1); |
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mpc824x_mpc107_setreg(EMEAR1, emear1);*/ |
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ret = cnt * sizeof(long); |
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goto Done; |
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} |
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} |
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ret = CFG_MAX_RAM_SIZE; |
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Done: |
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return ret; |
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} |
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/*
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* Initialize PCI Devices, report devices found. |
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*/ |
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#ifndef CONFIG_PCI_PNP |
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static struct pci_config_table pci_debris_config_table[] = { |
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{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID, |
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pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, |
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PCI_ENET0_MEMADDR, |
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PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, |
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{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x10, PCI_ANY_ID, |
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pci_cfgfunc_config_device, { PCI_ENET1_IOADDR, |
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PCI_ENET1_MEMADDR, |
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PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, |
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{ } |
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}; |
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#endif |
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struct pci_controller hose = { |
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#ifndef CONFIG_PCI_PNP |
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config_table: pci_debris_config_table, |
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#endif |
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}; |
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void pci_init_board(void) |
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{ |
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pci_mpc824x_init(&hose); |
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} |
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void *nvram_read(void *dest, const long src, size_t count) |
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{ |
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volatile uchar *d = (volatile uchar*) dest; |
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volatile uchar *s = (volatile uchar*) src; |
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while(count--) { |
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*d++ = *s++; |
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asm volatile("sync"); |
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} |
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return dest; |
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} |
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void nvram_write(long dest, const void *src, size_t count) |
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{ |
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volatile uchar *d = (volatile uchar*)dest; |
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volatile uchar *s = (volatile uchar*)src; |
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while(count--) { |
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*d++ = *s++; |
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asm volatile("sync"); |
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} |
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} |
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int misc_init_r(void) |
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{ |
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DECLARE_GLOBAL_DATA_PTR; |
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/* Write ethernet addr in NVRAM for VxWorks */ |
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nvram_write(CFG_ENV_ADDR + CFG_NVRAM_VXWORKS_OFFS, |
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(char*)&gd->bd->bi_enetaddr[0], 6); |
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return 0; |
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} |
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@ -0,0 +1,720 @@ |
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/*
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* board/eva/flash.c |
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* |
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* (C) Copyright 2002 |
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* Sangmoon Kim, Etin Systems, dogoil@etinsys.com. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <asm/processor.h> |
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#include <asm/pci_io.h> |
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#include <mpc824x.h> |
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int (*do_flash_erase)(flash_info_t*, uint32_t, uint32_t); |
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int (*write_dword)(flash_info_t*, ulong, uint64_t); |
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typedef uint64_t cfi_word; |
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#define cfi_read(flash, addr) *((volatile cfi_word*)(flash->start[0] + addr)) |
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#define cfi_write(flash, val, addr) \ |
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move64((cfi_word*)&val, \
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(cfi_word*)(flash->start[0] + addr)) |
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#define CMD(x) ((((cfi_word)x)<<48)|(((cfi_word)x)<<32)|(((cfi_word)x)<<16)|(((cfi_word)x))) |
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static void write32(unsigned long addr, uint32_t value) |
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{ |
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*(volatile uint32_t*)(addr) = value; |
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asm volatile("sync"); |
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} |
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static uint32_t read32(unsigned long addr) |
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{ |
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uint32_t value; |
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value = *(volatile uint32_t*)addr; |
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asm volatile("sync"); |
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return value; |
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} |
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static cfi_word cfi_cmd(flash_info_t *flash, uint8_t cmd, uint32_t addr) |
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{ |
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uint32_t base = flash->start[0]; |
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uint32_t val=(cmd << 16) | cmd; |
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addr <<= 3; |
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write32(base + addr, val); |
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return addr; |
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} |
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static uint16_t cfi_read_query(flash_info_t *flash, uint32_t addr) |
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{ |
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uint32_t base = flash->start[0]; |
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addr <<= 3; |
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return (uint16_t)read32(base + addr); |
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} |
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flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ |
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static void move64(uint64_t *src, uint64_t *dest) |
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{ |
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asm volatile("lfd 0, 0(3)\n\t" /* fpr0 = *scr */ |
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"stfd 0, 0(4)" /* *dest = fpr0 */ |
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: : : "fr0" ); /* Clobbers fr0 */ |
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return; |
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} |
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static int cfi_write_dword(flash_info_t *flash, ulong dest, cfi_word data) |
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{ |
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unsigned long start; |
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cfi_word status = 0; |
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status = cfi_read(flash, dest); |
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data &= status; |
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cfi_cmd(flash, 0x40, 0); |
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cfi_write(flash, data, dest); |
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udelay(10); |
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start = get_timer (0); |
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for(;;) { |
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status = cfi_read(flash, dest); |
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status &= CMD(0x80); |
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if(status == CMD(0x80)) |
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break; |
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if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { |
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cfi_cmd(flash, 0xff, 0); |
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return 1; |
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} |
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udelay(1); |
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} |
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cfi_cmd(flash, 0xff, 0); |
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|
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return 0; |
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} |
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|
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static int jedec_write_dword (flash_info_t *flash, ulong dest, cfi_word data) |
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{ |
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ulong start; |
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cfi_word status = 0; |
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|
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status = cfi_read(flash, dest); |
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if(status != CMD(0xffff)) return 2; |
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|
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cfi_cmd(flash, 0xaa, 0x555); |
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cfi_cmd(flash, 0x55, 0x2aa); |
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cfi_cmd(flash, 0xa0, 0x555); |
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|
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cfi_write(flash, data, dest); |
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|
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udelay(10); |
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start = get_timer (0); |
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status = ~data; |
||||
while(status != data) { |
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if (get_timer(start) > CFG_FLASH_WRITE_TOUT) |
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return 1; |
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status = cfi_read(flash, dest); |
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udelay(1); |
||||
} |
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return 0; |
||||
} |
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|
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static __inline__ unsigned long get_msr(void) |
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{ |
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unsigned long msr; |
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__asm__ __volatile__ ("mfmsr %0" : "=r" (msr) :); |
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return msr; |
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} |
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|
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static __inline__ void set_msr(unsigned long msr) |
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{ |
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__asm__ __volatile__ ("mtmsr %0" : : "r" (msr)); |
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} |
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|
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int write_buff (flash_info_t *flash, uchar *src, ulong addr, ulong cnt) |
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{ |
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ulong wp; |
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int i, s, l, rc; |
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cfi_word data; |
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uint8_t *t = (uint8_t*)&data; |
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unsigned long base = flash->start[0]; |
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uint32_t msr; |
||||
|
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if (flash->flash_id == FLASH_UNKNOWN) |
||||
return 4; |
||||
|
||||
if (cnt == 0) |
||||
return 0; |
||||
|
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addr -= base; |
||||
|
||||
msr = get_msr(); |
||||
set_msr(msr|MSR_FP); |
||||
|
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wp = (addr & ~7); /* get lower word aligned address */ |
||||
|
||||
if((addr-wp) != 0) { |
||||
data = cfi_read(flash, wp); |
||||
s = addr & 7; |
||||
l = ( cnt < (8-s) ) ? cnt : (8-s); |
||||
for(i = 0; i < l; i++) |
||||
t[s+i] = *src++; |
||||
if ((rc = write_dword(flash, wp, data)) != 0) |
||||
goto DONE; |
||||
wp += 8; |
||||
cnt -= l; |
||||
} |
||||
|
||||
while (cnt >= 8) { |
||||
for (i = 0; i < 8; i++) |
||||
t[i] = *src++; |
||||
if ((rc = write_dword(flash, wp, data)) != 0) |
||||
goto DONE; |
||||
wp += 8; |
||||
cnt -= 8; |
||||
} |
||||
|
||||
if (cnt == 0) { |
||||
rc = 0; |
||||
goto DONE; |
||||
} |
||||
|
||||
data = cfi_read(flash, wp); |
||||
for(i = 0; i < cnt; i++) |
||||
t[i] = *src++; |
||||
rc = write_dword(flash, wp, data); |
||||
DONE: |
||||
set_msr(msr); |
||||
return rc; |
||||
} |
||||
|
||||
static int cfi_erase_oneblock(flash_info_t *flash, uint32_t sect) |
||||
{ |
||||
int sa; |
||||
int flag; |
||||
ulong start, last, now; |
||||
cfi_word status; |
||||
|
||||
flag = disable_interrupts(); |
||||
|
||||
sa = (flash->start[sect] - flash->start[0]); |
||||
write32(flash->start[sect], 0x00200020); |
||||
write32(flash->start[sect], 0x00d000d0); |
||||
|
||||
if (flag) |
||||
enable_interrupts(); |
||||
|
||||
udelay(1000); |
||||
start = get_timer (0); |
||||
last = start; |
||||
|
||||
for (;;) { |
||||
status = cfi_read(flash, sa); |
||||
status &= CMD(0x80); |
||||
if (status == CMD(0x80)) |
||||
break; |
||||
if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { |
||||
cfi_cmd(flash, 0xff, 0); |
||||
printf ("Timeout\n"); |
||||
return ERR_TIMOUT; |
||||
} |
||||
|
||||
if ((now - last) > 1000) { |
||||
serial_putc ('.'); |
||||
last = now; |
||||
} |
||||
udelay(10); |
||||
} |
||||
cfi_cmd(flash, 0xff, 0); |
||||
return ERR_OK; |
||||
} |
||||
|
||||
static int cfi_erase(flash_info_t *flash, uint32_t s_first, uint32_t s_last) |
||||
{ |
||||
int sect; |
||||
int rc = ERR_OK; |
||||
|
||||
for (sect = s_first; sect <= s_last; sect++) { |
||||
if (flash->protect[sect] == 0) { |
||||
rc = cfi_erase_oneblock(flash, sect); |
||||
if (rc != ERR_OK) break; |
||||
} |
||||
} |
||||
printf (" done\n"); |
||||
return rc; |
||||
} |
||||
|
||||
static int jedec_erase(flash_info_t *flash, uint32_t s_first, uint32_t s_last) |
||||
{ |
||||
int sect; |
||||
cfi_word status; |
||||
int sa = -1; |
||||
int flag; |
||||
ulong start, last, now; |
||||
|
||||
flag = disable_interrupts(); |
||||
|
||||
cfi_cmd(flash, 0xaa, 0x555); |
||||
cfi_cmd(flash, 0x55, 0x2aa); |
||||
cfi_cmd(flash, 0x80, 0x555); |
||||
cfi_cmd(flash, 0xaa, 0x555); |
||||
cfi_cmd(flash, 0x55, 0x2aa); |
||||
for ( sect = s_first; sect <= s_last; sect++) { |
||||
if (flash->protect[sect] == 0) { |
||||
sa = flash->start[sect] - flash->start[0]; |
||||
write32(flash->start[sect], 0x00300030); |
||||
} |
||||
} |
||||
if (flag) |
||||
enable_interrupts(); |
||||
|
||||
if (sa < 0) |
||||
goto DONE; |
||||
|
||||
udelay (1000); |
||||
start = get_timer (0); |
||||
last = start; |
||||
for(;;) { |
||||
status = cfi_read(flash, sa); |
||||
if (status == CMD(0xffff)) |
||||
break; |
||||
|
||||
if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { |
||||
printf ("Timeout\n"); |
||||
return ERR_TIMOUT; |
||||
} |
||||
|
||||
if ((now - last) > 1000) { |
||||
serial_putc ('.'); |
||||
last = now; |
||||
} |
||||
udelay(10); |
||||
} |
||||
DONE: |
||||
cfi_cmd(flash, 0xf0, 0); |
||||
|
||||
printf (" done\n"); |
||||
|
||||
return ERR_OK; |
||||
} |
||||
|
||||
int flash_erase (flash_info_t *flash, int s_first, int s_last) |
||||
{ |
||||
int sect; |
||||
int prot; |
||||
|
||||
if ((s_first < 0) || (s_first > s_last)) { |
||||
if (flash->flash_id == FLASH_UNKNOWN) |
||||
printf ("- missing\n"); |
||||
else |
||||
printf ("- no sectors to erase\n"); |
||||
return ERR_NOT_ERASED; |
||||
} |
||||
if (flash->flash_id == FLASH_UNKNOWN) { |
||||
printf ("Can't erase unknown flash type - aborted\n"); |
||||
return ERR_NOT_ERASED; |
||||
} |
||||
|
||||
prot = 0; |
||||
for (sect = s_first; sect <= s_last; sect++) |
||||
if (flash->protect[sect]) prot++; |
||||
|
||||
if (prot) |
||||
printf ("- Warning: %d protected sectors will not be erased!\n", |
||||
prot); |
||||
else |
||||
printf ("\n"); |
||||
|
||||
return do_flash_erase(flash, s_first, s_last); |
||||
} |
||||
|
||||
struct jedec_flash_info { |
||||
const uint16_t mfr_id; |
||||
const uint16_t dev_id; |
||||
const char *name; |
||||
const int DevSize; |
||||
const int InterfaceDesc; |
||||
const int NumEraseRegions; |
||||
const ulong regions[4]; |
||||
}; |
||||
|
||||
#define ERASEINFO(size,blocks) (size<<8)|(blocks-1) |
||||
|
||||
#define SIZE_1MiB 20 |
||||
#define SIZE_2MiB 21 |
||||
#define SIZE_4MiB 22 |
||||
|
||||
static const struct jedec_flash_info jedec_table[] = { |
||||
{ |
||||
mfr_id: (uint16_t)AMD_MANUFACT, |
||||
dev_id: (uint16_t)AMD_ID_LV800T, |
||||
name: "AMD AM29LV800T", |
||||
DevSize: SIZE_1MiB, |
||||
NumEraseRegions: 4, |
||||
regions: {ERASEINFO(0x10000,15), |
||||
ERASEINFO(0x08000,1), |
||||
ERASEINFO(0x02000,2), |
||||
ERASEINFO(0x04000,1) |
||||
} |
||||
}, { |
||||
mfr_id: (uint16_t)AMD_MANUFACT, |
||||
dev_id: (uint16_t)AMD_ID_LV800B, |
||||
name: "AMD AM29LV800B", |
||||
DevSize: SIZE_1MiB, |
||||
NumEraseRegions: 4, |
||||
regions: {ERASEINFO(0x10000,15), |
||||
ERASEINFO(0x08000,1), |
||||
ERASEINFO(0x02000,2), |
||||
ERASEINFO(0x04000,1) |
||||
} |
||||
}, { |
||||
mfr_id: (uint16_t)AMD_MANUFACT, |
||||
dev_id: (uint16_t)AMD_ID_LV160T, |
||||
name: "AMD AM29LV160T", |
||||
DevSize: SIZE_2MiB, |
||||
NumEraseRegions: 4, |
||||
regions: {ERASEINFO(0x10000,31), |
||||
ERASEINFO(0x08000,1), |
||||
ERASEINFO(0x02000,2), |
||||
ERASEINFO(0x04000,1) |
||||
} |
||||
}, { |
||||
mfr_id: (uint16_t)AMD_MANUFACT, |
||||
dev_id: (uint16_t)AMD_ID_LV160B, |
||||
name: "AMD AM29LV160B", |
||||
DevSize: SIZE_2MiB, |
||||
NumEraseRegions: 4, |
||||
regions: {ERASEINFO(0x04000,1), |
||||
ERASEINFO(0x02000,2), |
||||
ERASEINFO(0x08000,1), |
||||
ERASEINFO(0x10000,31) |
||||
} |
||||
}, { |
||||
mfr_id: (uint16_t)AMD_MANUFACT, |
||||
dev_id: (uint16_t)AMD_ID_LV320T, |
||||
name: "AMD AM29LV320T", |
||||
DevSize: SIZE_4MiB, |
||||
NumEraseRegions: 2, |
||||
regions: {ERASEINFO(0x10000,63), |
||||
ERASEINFO(0x02000,8) |
||||
} |
||||
|
||||
}, { |
||||
mfr_id: (uint16_t)AMD_MANUFACT, |
||||
dev_id: (uint16_t)AMD_ID_LV320B, |
||||
name: "AMD AM29LV320B", |
||||
DevSize: SIZE_4MiB, |
||||
NumEraseRegions: 2, |
||||
regions: {ERASEINFO(0x02000,8), |
||||
ERASEINFO(0x10000,63) |
||||
} |
||||
} |
||||
}; |
||||
|
||||
static ulong cfi_init(uint32_t base, flash_info_t *flash) |
||||
{ |
||||
int sector; |
||||
int block; |
||||
int block_count; |
||||
int offset = 0; |
||||
int reverse = 0; |
||||
int primary; |
||||
int mfr_id; |
||||
int dev_id; |
||||
|
||||
flash->start[0] = base; |
||||
cfi_cmd(flash, 0xF0, 0); |
||||
cfi_cmd(flash, 0x98, 0); |
||||
if ( !( cfi_read_query(flash, 0x10) == 'Q' && |
||||
cfi_read_query(flash, 0x11) == 'R' && |
||||
cfi_read_query(flash, 0x12) == 'Y' )) { |
||||
cfi_cmd(flash, 0xff, 0); |
||||
return 0; |
||||
} |
||||
|
||||
flash->size = 1 << cfi_read_query(flash, 0x27); |
||||
flash->size *= 4; |
||||
block_count = cfi_read_query(flash, 0x2c); |
||||
primary = cfi_read_query(flash, 0x15); |
||||
if ( cfi_read_query(flash, primary + 4) == 0x30) |
||||
reverse = (cfi_read_query(flash, 0x1) & 0x01); |
||||
else |
||||
reverse = (cfi_read_query(flash, primary+15) == 3); |
||||
|
||||
flash->sector_count = 0; |
||||
|
||||
for ( block = reverse ? block_count - 1 : 0; |
||||
reverse ? block >= 0 : block < block_count; |
||||
reverse ? block-- : block ++) { |
||||
int sector_size = |
||||
(cfi_read_query(flash, 0x2d + block*4+2) | |
||||
(cfi_read_query(flash, 0x2d + block*4+3) << 8)) << 8; |
||||
int sector_count = |
||||
(cfi_read_query(flash, 0x2d + block*4+0) | |
||||
(cfi_read_query(flash, 0x2d + block*4+1) << 8)) + 1; |
||||
for(sector = 0; sector < sector_count; sector++) { |
||||
flash->start[flash->sector_count++] = base + offset; |
||||
offset += sector_size * 4; |
||||
} |
||||
} |
||||
mfr_id = cfi_read_query(flash, 0x00); |
||||
dev_id = cfi_read_query(flash, 0x01); |
||||
|
||||
cfi_cmd(flash, 0xff, 0); |
||||
|
||||
flash->flash_id = (mfr_id << 16) | dev_id; |
||||
|
||||
for (sector = 0; sector < flash->sector_count; sector++) { |
||||
write32(flash->start[sector], 0x00600060); |
||||
write32(flash->start[sector], 0x00d000d0); |
||||
} |
||||
cfi_cmd(flash, 0xff, 0); |
||||
|
||||
for (sector = 0; sector < flash->sector_count; sector++) |
||||
flash->protect[sector] = 0; |
||||
|
||||
do_flash_erase = cfi_erase; |
||||
write_dword = cfi_write_dword; |
||||
|
||||
return flash->size; |
||||
} |
||||
|
||||
static ulong jedec_init(unsigned long base, flash_info_t *flash) |
||||
{ |
||||
int i; |
||||
int block, block_count; |
||||
int sector, offset; |
||||
int mfr_id, dev_id; |
||||
flash->start[0] = base; |
||||
cfi_cmd(flash, 0xF0, 0x000); |
||||
cfi_cmd(flash, 0xAA, 0x555); |
||||
cfi_cmd(flash, 0x55, 0x2AA); |
||||
cfi_cmd(flash, 0x90, 0x555); |
||||
mfr_id = cfi_read_query(flash, 0x000); |
||||
dev_id = cfi_read_query(flash, 0x0001); |
||||
cfi_cmd(flash, 0xf0, 0x000); |
||||
|
||||
for(i=0; i<sizeof(jedec_table)/sizeof(struct jedec_flash_info); i++) { |
||||
if((jedec_table[i].mfr_id == mfr_id) && |
||||
(jedec_table[i].dev_id == dev_id)) { |
||||
|
||||
flash->flash_id = (mfr_id << 16) | dev_id; |
||||
flash->size = 1 << jedec_table[0].DevSize; |
||||
flash->size *= 4; |
||||
block_count = jedec_table[i].NumEraseRegions; |
||||
offset = 0; |
||||
flash->sector_count = 0; |
||||
for (block = 0; block < block_count; block++) { |
||||
int sector_size = jedec_table[i].regions[block]; |
||||
int sector_count = (sector_size & 0xff) + 1; |
||||
sector_size >>= 8; |
||||
for (sector=0; sector<sector_count; sector++) { |
||||
flash->start[flash->sector_count++] = |
||||
base + offset; |
||||
offset += sector_size * 4; |
||||
} |
||||
} |
||||
break; |
||||
} |
||||
} |
||||
|
||||
for (sector = 0; sector < flash->sector_count; sector++) |
||||
flash->protect[sector] = 0; |
||||
|
||||
do_flash_erase = jedec_erase; |
||||
write_dword = jedec_write_dword; |
||||
|
||||
return flash->size; |
||||
} |
||||
|
||||
inline void mtibat1u(unsigned int x) |
||||
{ |
||||
__asm__ __volatile__ ("mtspr 530, %0" :: "r" (x)); |
||||
} |
||||
|
||||
inline void mtibat1l(unsigned int x) |
||||
{ |
||||
__asm__ __volatile__ ("mtspr 531, %0" :: "r" (x)); |
||||
} |
||||
|
||||
inline void mtdbat1u(unsigned int x) |
||||
{ |
||||
__asm__ __volatile__ ("mtspr 538, %0" :: "r" (x)); |
||||
} |
||||
|
||||
inline void mtdbat1l(unsigned int x) |
||||
{ |
||||
__asm__ __volatile__ ("mtspr 539, %0" :: "r" (x)); |
||||
} |
||||
|
||||
unsigned long flash_init (void) |
||||
{ |
||||
unsigned long size = 0; |
||||
int i; |
||||
unsigned int msr; |
||||
|
||||
/* BAT1 */ |
||||
CONFIG_WRITE_WORD(ERCR3, 0x0C00000C); |
||||
CONFIG_WRITE_WORD(ERCR4, 0x0800000C); |
||||
msr = get_msr(); |
||||
set_msr(msr & ~(MSR_IR | MSR_DR)); |
||||
mtibat1l(0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT); |
||||
mtibat1u(0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP); |
||||
mtdbat1l(0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT); |
||||
mtdbat1u(0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP); |
||||
set_msr(msr); |
||||
|
||||
for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) |
||||
flash_info[i].flash_id = FLASH_UNKNOWN; |
||||
size = cfi_init(FLASH_BASE0_PRELIM, &flash_info[0]); |
||||
if (!size) |
||||
size = jedec_init(FLASH_BASE0_PRELIM, &flash_info[0]); |
||||
|
||||
if (flash_info[0].flash_id == FLASH_UNKNOWN) |
||||
printf ("# Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n", |
||||
size, size<<20); |
||||
|
||||
return size; |
||||
} |
||||
|
||||
void flash_print_info (flash_info_t *flash) |
||||
{ |
||||
int i; |
||||
int k; |
||||
int size; |
||||
int erased; |
||||
volatile unsigned long *p; |
||||
|
||||
if (flash->flash_id == FLASH_UNKNOWN) { |
||||
printf ("missing or unknown FLASH type\n"); |
||||
flash_init(); |
||||
} |
||||
|
||||
if (flash->flash_id == FLASH_UNKNOWN) { |
||||
printf ("missing or unknown FLASH type\n"); |
||||
return; |
||||
} |
||||
|
||||
switch (((flash->flash_id) >> 16) & 0xff) { |
||||
case 0x01: |
||||
printf ("AMD "); |
||||
break; |
||||
case 0x04: |
||||
printf("FUJITSU "); |
||||
break; |
||||
case 0x20: |
||||
printf("STM "); |
||||
break; |
||||
case 0xBF: |
||||
printf("SST "); |
||||
break; |
||||
case 0x89: |
||||
case 0xB0: |
||||
printf("INTEL "); |
||||
break; |
||||
default: |
||||
printf ("Unknown Vendor "); |
||||
break; |
||||
} |
||||
|
||||
switch ((flash->flash_id) & 0xffff) { |
||||
case (uint16_t)AMD_ID_LV800T: |
||||
printf ("AM29LV800T\n"); |
||||
break; |
||||
case (uint16_t)AMD_ID_LV800B: |
||||
printf ("AM29LV800B\n"); |
||||
break; |
||||
case (uint16_t)AMD_ID_LV160T: |
||||
printf ("AM29LV160T\n"); |
||||
break; |
||||
case (uint16_t)AMD_ID_LV160B: |
||||
printf ("AM29LV160B\n"); |
||||
break; |
||||
case (uint16_t)AMD_ID_LV320T: |
||||
printf ("AM29LV320T\n"); |
||||
break; |
||||
case (uint16_t)AMD_ID_LV320B: |
||||
printf ("AM29LV320B\n"); |
||||
break; |
||||
case (uint16_t)INTEL_ID_28F800C3T: |
||||
printf ("28F800C3T\n"); |
||||
break; |
||||
case (uint16_t)INTEL_ID_28F800C3B: |
||||
printf ("28F800C3B\n"); |
||||
break; |
||||
case (uint16_t)INTEL_ID_28F160C3T: |
||||
printf ("28F160C3T\n"); |
||||
break; |
||||
case (uint16_t)INTEL_ID_28F160C3B: |
||||
printf ("28F160C3B\n"); |
||||
break; |
||||
case (uint16_t)INTEL_ID_28F320C3T: |
||||
printf ("28F320C3T\n"); |
||||
break; |
||||
case (uint16_t)INTEL_ID_28F320C3B: |
||||
printf ("28F320C3B\n"); |
||||
break; |
||||
case (uint16_t)INTEL_ID_28F640C3T: |
||||
printf ("28F640C3T\n"); |
||||
break; |
||||
case (uint16_t)INTEL_ID_28F640C3B: |
||||
printf ("28F640C3B\n"); |
||||
break; |
||||
default: |
||||
printf ("Unknown Chip Type\n"); |
||||
break; |
||||
} |
||||
|
||||
if (flash->size >= (1 << 20)) { |
||||
printf (" Size: %ld MB in %d Sectors\n", |
||||
flash->size >> 20, flash->sector_count); |
||||
} else { |
||||
printf (" Size: %ld kB in %d Sectors\n", |
||||
flash->size >> 10, flash->sector_count); |
||||
} |
||||
|
||||
printf (" Sector Start Addresses:"); |
||||
for (i = 0; i < flash->sector_count; ++i) { |
||||
/* Check if whole sector is erased*/ |
||||
if (i != (flash->sector_count-1)) |
||||
size = flash->start[i+1] - flash->start[i]; |
||||
else |
||||
size = flash->start[0] + flash->size - flash->start[i]; |
||||
|
||||
erased = 1; |
||||
p = (volatile unsigned long *)flash->start[i]; |
||||
size = size >> 2; /* divide by 4 for longword access */ |
||||
for (k=0; k<size; k++) { |
||||
if (*p++ != 0xffffffff) { |
||||
erased = 0; |
||||
break; |
||||
} |
||||
} |
||||
|
||||
if ((i % 5) == 0) |
||||
printf ("\n "); |
||||
|
||||
printf (" %08lX%s%s", |
||||
flash->start[i], |
||||
erased ? " E" : " ", |
||||
flash->protect[i] ? "RO " : " "); |
||||
} |
||||
printf ("\n"); |
||||
} |
||||
@ -0,0 +1,310 @@ |
||||
/*
|
||||
* board/eva/phantom.c |
||||
* |
||||
* Phantom RTC device driver for EVA |
||||
* |
||||
* Author: Sangmoon Kim |
||||
* dogoil@etinsys.com |
||||
* |
||||
* Copyright 2002 Etinsys Inc. |
||||
* |
||||
* 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. |
||||
*/ |
||||
|
||||
#include <common.h> |
||||
#include <command.h> |
||||
#include <rtc.h> |
||||
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_DATE) |
||||
|
||||
#define RTC_BASE (CFG_NVRAM_BASE_ADDR + 0x7fff8) |
||||
|
||||
#define RTC_YEAR ( RTC_BASE + 7 ) |
||||
#define RTC_MONTH ( RTC_BASE + 6 ) |
||||
#define RTC_DAY_OF_MONTH ( RTC_BASE + 5 ) |
||||
#define RTC_DAY_OF_WEEK ( RTC_BASE + 4 ) |
||||
#define RTC_HOURS ( RTC_BASE + 3 ) |
||||
#define RTC_MINUTES ( RTC_BASE + 2 ) |
||||
#define RTC_SECONDS ( RTC_BASE + 1 ) |
||||
#define RTC_CENTURY ( RTC_BASE + 0 ) |
||||
|
||||
#define RTC_CONTROLA RTC_CENTURY |
||||
#define RTC_CONTROLB RTC_SECONDS |
||||
#define RTC_CONTROLC RTC_DAY_OF_WEEK |
||||
|
||||
#define RTC_CA_WRITE 0x80 |
||||
#define RTC_CA_READ 0x40 |
||||
|
||||
#define RTC_CB_OSC_DISABLE 0x80 |
||||
|
||||
#define RTC_CC_BATTERY_FLAG 0x80 |
||||
#define RTC_CC_FREQ_TEST 0x40 |
||||
|
||||
|
||||
static int phantom_flag = -1; |
||||
static int century_flag = -1; |
||||
|
||||
static uchar rtc_read(unsigned int addr) |
||||
{ |
||||
return *(volatile unsigned char *)(addr); |
||||
} |
||||
|
||||
static void rtc_write(unsigned int addr, uchar val) |
||||
{ |
||||
*(volatile unsigned char *)(addr) = val; |
||||
} |
||||
|
||||
static unsigned char phantom_rtc_sequence[] = { |
||||
0xc5, 0x3a, 0xa3, 0x5c, 0xc5, 0x3a, 0xa3, 0x5c |
||||
}; |
||||
|
||||
static unsigned char* phantom_rtc_read(int addr, unsigned char rtc[8]) |
||||
{ |
||||
int i, j; |
||||
unsigned char v; |
||||
unsigned char save = rtc_read(addr); |
||||
|
||||
for (j = 0; j < 8; j++) { |
||||
v = phantom_rtc_sequence[j]; |
||||
for (i = 0; i < 8; i++) { |
||||
rtc_write(addr, v & 1); |
||||
v >>= 1; |
||||
} |
||||
} |
||||
for (j = 0; j < 8; j++) { |
||||
v = 0; |
||||
for (i = 0; i < 8; i++) { |
||||
if(rtc_read(addr) & 1) |
||||
v |= 1 << i; |
||||
} |
||||
rtc[j] = v; |
||||
} |
||||
rtc_write(addr, save); |
||||
return rtc; |
||||
} |
||||
|
||||
static void phantom_rtc_write(int addr, unsigned char rtc[8]) |
||||
{ |
||||
int i, j; |
||||
unsigned char v; |
||||
unsigned char save = rtc_read(addr); |
||||
for (j = 0; j < 8; j++) { |
||||
v = phantom_rtc_sequence[j]; |
||||
for (i = 0; i < 8; i++) { |
||||
rtc_write(addr, v & 1); |
||||
v >>= 1; |
||||
} |
||||
} |
||||
for (j = 0; j < 8; j++) { |
||||
v = rtc[j]; |
||||
for (i = 0; i < 8; i++) { |
||||
rtc_write(addr, v & 1); |
||||
v >>= 1; |
||||
} |
||||
} |
||||
rtc_write(addr, save); |
||||
} |
||||
|
||||
static int get_phantom_flag(void) |
||||
{ |
||||
int i; |
||||
unsigned char rtc[8]; |
||||
|
||||
phantom_rtc_read(RTC_BASE, rtc); |
||||
|
||||
for(i = 1; i < 8; i++) { |
||||
if (rtc[i] != rtc[0]) |
||||
return 1; |
||||
} |
||||
return 0; |
||||
} |
||||
|
||||
void rtc_reset(void) |
||||
{ |
||||
if (phantom_flag < 0) |
||||
phantom_flag = get_phantom_flag(); |
||||
|
||||
if (phantom_flag) { |
||||
unsigned char rtc[8]; |
||||
phantom_rtc_read(RTC_BASE, rtc); |
||||
if(rtc[4] & 0x30) { |
||||
printf( "real-time-clock was stopped. Now starting...\n" ); |
||||
rtc[4] &= 0x07; |
||||
phantom_rtc_write(RTC_BASE, rtc); |
||||
} |
||||
} else { |
||||
uchar reg_a, reg_b, reg_c; |
||||
reg_a = rtc_read( RTC_CONTROLA ); |
||||
reg_b = rtc_read( RTC_CONTROLB ); |
||||
|
||||
if ( reg_b & RTC_CB_OSC_DISABLE ) |
||||
{ |
||||
printf( "real-time-clock was stopped. Now starting...\n" ); |
||||
reg_a |= RTC_CA_WRITE; |
||||
reg_b &= ~RTC_CB_OSC_DISABLE; |
||||
rtc_write( RTC_CONTROLA, reg_a ); |
||||
rtc_write( RTC_CONTROLB, reg_b ); |
||||
} |
||||
|
||||
/* make sure read/write clock register bits are cleared */ |
||||
reg_a &= ~( RTC_CA_WRITE | RTC_CA_READ ); |
||||
rtc_write( RTC_CONTROLA, reg_a ); |
||||
|
||||
reg_c = rtc_read( RTC_CONTROLC ); |
||||
if (( reg_c & RTC_CC_BATTERY_FLAG ) == 0 ) |
||||
printf( "RTC battery low. Clock setting may not be reliable.\n"); |
||||
} |
||||
} |
||||
|
||||
inline unsigned bcd2bin (uchar n) |
||||
{ |
||||
return ((((n >> 4) & 0x0F) * 10) + (n & 0x0F)); |
||||
} |
||||
|
||||
inline unsigned char bin2bcd (unsigned int n) |
||||
{ |
||||
return (((n / 10) << 4) | (n % 10)); |
||||
} |
||||
|
||||
static int get_century_flag(void) |
||||
{ |
||||
int flag = 0; |
||||
int bcd, century; |
||||
bcd = rtc_read( RTC_CENTURY ); |
||||
century = bcd2bin( bcd & 0x3F ); |
||||
rtc_write( RTC_CENTURY, bin2bcd(century+1)); |
||||
if (bcd == rtc_read( RTC_CENTURY )) |
||||
flag = 1; |
||||
rtc_write( RTC_CENTURY, bcd); |
||||
return flag; |
||||
} |
||||
|
||||
void rtc_get( struct rtc_time *tmp) |
||||
{ |
||||
if (phantom_flag < 0) |
||||
phantom_flag = get_phantom_flag(); |
||||
|
||||
if (phantom_flag) |
||||
{ |
||||
unsigned char rtc[8]; |
||||
|
||||
phantom_rtc_read(RTC_BASE, rtc); |
||||
|
||||
tmp->tm_sec = bcd2bin(rtc[1] & 0x7f); |
||||
tmp->tm_min = bcd2bin(rtc[2] & 0x7f); |
||||
tmp->tm_hour = bcd2bin(rtc[3] & 0x1f); |
||||
tmp->tm_wday = bcd2bin(rtc[4] & 0x7); |
||||
tmp->tm_mday = bcd2bin(rtc[5] & 0x3f); |
||||
tmp->tm_mon = bcd2bin(rtc[6] & 0x1f); |
||||
tmp->tm_year = bcd2bin(rtc[7]) + 1900; |
||||
tmp->tm_yday = 0; |
||||
tmp->tm_isdst = 0; |
||||
|
||||
if( (rtc[3] & 0x80) && (rtc[3] & 0x40) ) tmp->tm_hour += 12; |
||||
if (tmp->tm_year < 1970) tmp->tm_year += 100; |
||||
} else { |
||||
uchar sec, min, hour; |
||||
uchar mday, wday, mon, year; |
||||
|
||||
int century; |
||||
|
||||
uchar reg_a; |
||||
|
||||
if (century_flag < 0) |
||||
century_flag = get_century_flag(); |
||||
|
||||
reg_a = rtc_read( RTC_CONTROLA ); |
||||
/* lock clock registers for read */ |
||||
rtc_write( RTC_CONTROLA, ( reg_a | RTC_CA_READ )); |
||||
|
||||
sec = rtc_read( RTC_SECONDS ); |
||||
min = rtc_read( RTC_MINUTES ); |
||||
hour = rtc_read( RTC_HOURS ); |
||||
mday = rtc_read( RTC_DAY_OF_MONTH ); |
||||
wday = rtc_read( RTC_DAY_OF_WEEK ); |
||||
mon = rtc_read( RTC_MONTH ); |
||||
year = rtc_read( RTC_YEAR ); |
||||
century = rtc_read( RTC_CENTURY ); |
||||
|
||||
/* unlock clock registers after read */ |
||||
rtc_write( RTC_CONTROLA, ( reg_a & ~RTC_CA_READ )); |
||||
|
||||
tmp->tm_sec = bcd2bin( sec & 0x7F ); |
||||
tmp->tm_min = bcd2bin( min & 0x7F ); |
||||
tmp->tm_hour = bcd2bin( hour & 0x3F ); |
||||
tmp->tm_mday = bcd2bin( mday & 0x3F ); |
||||
tmp->tm_mon = bcd2bin( mon & 0x1F ); |
||||
tmp->tm_wday = bcd2bin( wday & 0x07 ); |
||||
|
||||
if (century_flag) { |
||||
tmp->tm_year = bcd2bin( year ) + |
||||
( bcd2bin( century & 0x3F ) * 100 ); |
||||
} else { |
||||
tmp->tm_year = bcd2bin( year ) + 1900; |
||||
if (tmp->tm_year < 1970) tmp->tm_year += 100; |
||||
} |
||||
|
||||
tmp->tm_yday = 0; |
||||
tmp->tm_isdst= 0; |
||||
} |
||||
} |
||||
|
||||
void rtc_set( struct rtc_time *tmp ) |
||||
{ |
||||
if (phantom_flag < 0) |
||||
phantom_flag = get_phantom_flag(); |
||||
|
||||
if (phantom_flag) { |
||||
uint year; |
||||
unsigned char rtc[8]; |
||||
|
||||
year = tmp->tm_year; |
||||
year -= (year < 2000) ? 1900 : 2000; |
||||
|
||||
rtc[0] = bin2bcd(0); |
||||
rtc[1] = bin2bcd(tmp->tm_sec); |
||||
rtc[2] = bin2bcd(tmp->tm_min); |
||||
rtc[3] = bin2bcd(tmp->tm_hour); |
||||
rtc[4] = bin2bcd(tmp->tm_wday); |
||||
rtc[5] = bin2bcd(tmp->tm_mday); |
||||
rtc[6] = bin2bcd(tmp->tm_mon); |
||||
rtc[7] = bin2bcd(year); |
||||
|
||||
phantom_rtc_write(RTC_BASE, rtc); |
||||
} else { |
||||
uchar reg_a; |
||||
if (century_flag < 0) |
||||
century_flag = get_century_flag(); |
||||
|
||||
/* lock clock registers for write */ |
||||
reg_a = rtc_read( RTC_CONTROLA ); |
||||
rtc_write( RTC_CONTROLA, ( reg_a | RTC_CA_WRITE )); |
||||
|
||||
rtc_write( RTC_MONTH, bin2bcd( tmp->tm_mon )); |
||||
|
||||
rtc_write( RTC_DAY_OF_WEEK, bin2bcd( tmp->tm_wday )); |
||||
rtc_write( RTC_DAY_OF_MONTH, bin2bcd( tmp->tm_mday )); |
||||
rtc_write( RTC_HOURS, bin2bcd( tmp->tm_hour )); |
||||
rtc_write( RTC_MINUTES, bin2bcd( tmp->tm_min )); |
||||
rtc_write( RTC_SECONDS, bin2bcd( tmp->tm_sec )); |
||||
|
||||
/* break year up into century and year in century */ |
||||
if (century_flag) { |
||||
rtc_write( RTC_YEAR, bin2bcd( tmp->tm_year % 100 )); |
||||
rtc_write( RTC_CENTURY, bin2bcd( tmp->tm_year / 100 )); |
||||
reg_a &= 0xc0; |
||||
reg_a |= bin2bcd( tmp->tm_year / 100 ); |
||||
} else { |
||||
rtc_write(RTC_YEAR, bin2bcd(tmp->tm_year - |
||||
((tmp->tm_year < 2000) ? 1900 : 2000))); |
||||
} |
||||
|
||||
/* unlock clock registers after read */ |
||||
rtc_write( RTC_CONTROLA, ( reg_a & ~RTC_CA_WRITE )); |
||||
} |
||||
} |
||||
|
||||
#endif |
||||
@ -0,0 +1,54 @@ |
||||
/*
|
||||
* (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 |
||||
*/ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Timer value for timer 2, ICLK = 10 |
||||
* |
||||
* SPEED_FCOUNT2 = GCLK / (16 * (TIMER_TMR_PS + 1)) |
||||
* SPEED_TMR3_PS = (GCLK / (16 * SPEED_FCOUNT3)) - 1 |
||||
* |
||||
* SPEED_FCOUNT2 timer 2 counting frequency |
||||
* GCLK CPU clock |
||||
* SPEED_TMR2_PS prescaler |
||||
*/ |
||||
#define SPEED_TMR2_PS (250 - 1) /* divide by 250 */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Timer value for PIT |
||||
* |
||||
* PIT_TIME = SPEED_PITC / PITRTCLK |
||||
* PITRTCLK = 8192 |
||||
*/ |
||||
#define SPEED_PITC (82 << 16) /* start counting from 82 */ |
||||
|
||||
/*
|
||||
* The new value for 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) |
||||
* DFBRG For normal mode (no clock reduction) always 0 |
||||
* PTP Prescaler (already adjusted for no. of banks and 4K / 8K refresh) |
||||
* NCS Number of SDRAM banks (chip selects) on this UPM. |
||||
*/ |
||||
@ -0,0 +1,128 @@ |
||||
/* |
||||
* (C) Copyright 2001 |
||||
* 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 : |
||||
{ |
||||
cpu/mpc824x/start.o (.text) |
||||
lib_ppc/board.o (.text) |
||||
lib_ppc/ppcstring.o (.text) |
||||
|
||||
. = DEFINED(env_offset) ? env_offset : .; |
||||
common/environment.o (.text) |
||||
|
||||
*(.text) |
||||
|
||||
*(.fixup) |
||||
*(.got1) |
||||
. = ALIGN(16); |
||||
*(.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 = .); |
||||
} |
||||
@ -0,0 +1,439 @@ |
||||
/*
|
||||
* (C) Copyright 2001, 2002 |
||||
* Sangmoon Kim, Etin Systems, dogoil@etinsys.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 |
||||
*/ |
||||
|
||||
/* ------------------------------------------------------------------------- */ |
||||
|
||||
/*
|
||||
* board/config.h - configuration options, board specific |
||||
*/ |
||||
|
||||
#ifndef __CONFIG_H |
||||
#define __CONFIG_H |
||||
|
||||
/* Environments */ |
||||
|
||||
/* bootargs */ |
||||
#define CONFIG_BOOTARGS \ |
||||
"console=ttyS0,9600 init=/linuxrc " \
|
||||
"root=/dev/nfs rw nfsroot=192.168.0.1:" \
|
||||
"/tftpboot/target " \
|
||||
"ip=192.168.0.2:192.168.0.1:192.168.0.1:" \
|
||||
"255.255.255.0:debris:eth0:none " \
|
||||
"mtdparts=phys:12m(root),-(kernel)" |
||||
|
||||
/* bootcmd */ |
||||
#define CONFIG_BOOTCOMMAND \ |
||||
"tftp 800000 pImage; " \
|
||||
"setenv bootargs console=ttyS0,9600 init=/linuxrc " \
|
||||
"root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
|
||||
"ip=$(ipaddr):$(serverip):$(gatewayip):" \
|
||||
"$(netmask):$(hostname):eth0:none " \
|
||||
"mtdparts=phys:12m(root),-(kernel); " \
|
||||
"bootm 800000" |
||||
|
||||
/* bootdelay */ |
||||
#define CONFIG_BOOTDELAY 5 /* autoboot 5s */ |
||||
|
||||
/* baudrate */ |
||||
#define CONFIG_BAUDRATE 9600 /* console baudrate = 9600bps */ |
||||
|
||||
/* loads_echo */ |
||||
#define CONFIG_LOADS_ECHO 0 /* echo off for serial download */ |
||||
|
||||
/* ethaddr */ |
||||
#undef CONFIG_ETHADDR |
||||
|
||||
/* eth2addr */ |
||||
#undef CONFIG_ETH2ADDR |
||||
|
||||
/* eth3addr */ |
||||
#undef CONFIG_ETH3ADDR |
||||
|
||||
/* ipaddr */ |
||||
#define CONFIG_IPADDR 192.168.0.2 |
||||
|
||||
/* serverip */ |
||||
#define CONFIG_SERVERIP 192.168.0.1 |
||||
|
||||
/* autoload */ |
||||
#undef CFG_AUTOLOAD |
||||
|
||||
/* rootpath */ |
||||
#define CONFIG_ROOTPATH /tftpboot/target |
||||
|
||||
/* gatewayip */ |
||||
#define CONFIG_GATEWAYIP 192.168.0.1 |
||||
|
||||
/* netmask */ |
||||
#define CONFIG_NETMASK 255.255.255.0 |
||||
|
||||
/* hostname */ |
||||
#define CONFIG_HOSTNAME debris |
||||
|
||||
/* bootfile */ |
||||
#define CONFIG_BOOTFILE pImage |
||||
|
||||
/* loadaddr */ |
||||
#define CONFIG_LOADADDR 800000 |
||||
|
||||
/* preboot */ |
||||
#undef CONFIG_PREBOOT |
||||
|
||||
/* clocks_in_mhz */ |
||||
#undef CONFIG_CLOCKS_IN_MHZ |
||||
|
||||
|
||||
/*
|
||||
* High Level Configuration Options |
||||
* (easy to change) |
||||
*/ |
||||
|
||||
#define CONFIG_MPC824X 1 |
||||
#define CONFIG_MPC8245 1 |
||||
#define CONFIG_DEBRIS 1 |
||||
|
||||
#if 0 |
||||
#define USE_DINK32 1 |
||||
#else |
||||
#undef USE_DINK32 |
||||
#endif |
||||
|
||||
#define CONFIG_CONS_INDEX 1 |
||||
#define CONFIG_BAUDRATE 9600 |
||||
#define CONFIG_DRAM_SPEED 100 /* MHz */ |
||||
|
||||
#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ |
||||
CFG_CMD_ASKENV | \
|
||||
CFG_CMD_CACHE | \
|
||||
CFG_CMD_DATE | \
|
||||
CFG_CMD_DHCP | \
|
||||
CFG_CMD_DIAG | \
|
||||
CFG_CMD_EEPROM | \
|
||||
CFG_CMD_ELF | \
|
||||
CFG_CMD_I2C | \
|
||||
CFG_CMD_JFFS2 | \
|
||||
CFG_CMD_KGBD | \
|
||||
CFG_CMD_PCI | \
|
||||
CFG_CMD_PING | \
|
||||
CFG_CMD_SAVES | \
|
||||
CFG_CMD_SDRAM) |
||||
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
||||
#include <cmd_confdefs.h> |
||||
|
||||
|
||||
/*
|
||||
* Miscellaneous configurable options |
||||
*/ |
||||
#define CFG_LONGHELP 1 /* undef to save memory */ |
||||
#define CFG_PROMPT "=> " /* Monitor Command Prompt */ |
||||
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
||||
#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 /* default load address */ |
||||
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* PCI stuff |
||||
*----------------------------------------------------------------------- |
||||
*/ |
||||
#define CONFIG_PCI /* include pci support */ |
||||
#define CONFIG_PCI_PNP |
||||
|
||||
#define CONFIG_NET_MULTI /* Multi ethernet cards support */ |
||||
#define CONFIG_EEPRO100 |
||||
#define CFG_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */ |
||||
#define CONFIG_EEPRO100_SROM_WRITE |
||||
|
||||
#define PCI_ENET0_IOADDR 0x80000000 |
||||
#define PCI_ENET0_MEMADDR 0x80000000 |
||||
#define PCI_ENET1_IOADDR 0x81000000 |
||||
#define PCI_ENET1_MEMADDR 0x81000000 |
||||
/*-----------------------------------------------------------------------
|
||||
* 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_MAX_RAM_SIZE 0x10000000 |
||||
|
||||
#define CFG_RESET_ADDRESS 0xFFF00100 |
||||
|
||||
#if defined (USE_DINK32) |
||||
#define CFG_MONITOR_LEN 0x00040000 |
||||
#define CFG_MONITOR_BASE 0x00090000 |
||||
#define CFG_RAMBOOT 1 |
||||
#define CFG_INIT_RAM_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN) |
||||
#define CFG_INIT_RAM_END 0x10000 |
||||
#define CFG_GBL_DATA_SIZE 256 /* 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 |
||||
#else |
||||
#undef CFG_RAMBOOT |
||||
#define CFG_MONITOR_LEN 0x00040000 |
||||
#define CFG_MONITOR_BASE TEXT_BASE |
||||
|
||||
/*#define CFG_GBL_DATA_SIZE 256*/ |
||||
#define CFG_GBL_DATA_SIZE 128 |
||||
|
||||
#define CFG_INIT_RAM_ADDR 0x40000000 |
||||
#define CFG_INIT_RAM_END 0x1000 |
||||
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
||||
|
||||
#endif |
||||
|
||||
#define CFG_FLASH_BASE 0x7C000000 |
||||
#define CFG_FLASH_SIZE (16*1024*1024) /* debris has tiny eeprom */ |
||||
|
||||
#define CFG_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc() */ |
||||
|
||||
#define CFG_MEMTEST_START 0x00000000 /* memtest works on */ |
||||
#define CFG_MEMTEST_END 0x04000000 /* 0 ... 32 MB in DRAM */ |
||||
|
||||
#define CFG_EUMB_ADDR 0xFC000000 |
||||
|
||||
#define CFG_FLASH_RANGE_BASE 0xFF000000 /* flash memory address range */ |
||||
#define CFG_FLASH_RANGE_SIZE 0x01000000 |
||||
#define FLASH_BASE0_PRELIM 0x7C000000 /* debris flash */ |
||||
|
||||
#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ |
||||
#define CFG_JFFS2_NUM_BANKS 1 |
||||
|
||||
#define CFG_ENV_IS_IN_NVRAM 1 |
||||
#define CONFIG_ENV_OVERWRITE 1 |
||||
#define CFG_NVRAM_ACCESS_ROUTINE 1 |
||||
#define CFG_ENV_ADDR 0xFF000000 /* right at the start of NVRAM */ |
||||
#define CFG_ENV_SIZE 0x400 /* Size of the Environment - 8K */ |
||||
#define CFG_ENV_OFFSET 0 /* starting right at the beginning */ |
||||
|
||||
#define CFG_NVRAM_BASE_ADDR 0xff000000 |
||||
|
||||
/*
|
||||
* CFG_NVRAM_BASE_ADDR + CFG_NVRAM_VXWORKS_OFFS = |
||||
* NV_RAM_ADDRS + NV_BOOT_OFFSET + NV_ENET_OFFSET |
||||
*/ |
||||
#define CFG_NVRAM_VXWORKS_OFFS 0x6900 |
||||
|
||||
/*
|
||||
* select i2c support configuration |
||||
* |
||||
* Supported configurations are {none, software, hardware} drivers. |
||||
* If the software driver is chosen, there are some additional |
||||
* configuration items that the driver uses to drive the port pins. |
||||
*/ |
||||
#define CONFIG_HARD_I2C 1 /* To enable I2C support */ |
||||
#undef CONFIG_SOFT_I2C /* I2C bit-banged */ |
||||
#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ |
||||
#define CFG_I2C_SLAVE 0x7F |
||||
|
||||
#ifdef CONFIG_SOFT_I2C |
||||
#error "Soft I2C is not configured properly. Please review!" |
||||
#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */ |
||||
#define I2C_ACTIVE (iop->pdir |= 0x00010000) |
||||
#define I2C_TRISTATE (iop->pdir &= ~0x00010000) |
||||
#define I2C_READ ((iop->pdat & 0x00010000) != 0) |
||||
#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \ |
||||
else iop->pdat &= ~0x00010000 |
||||
#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \ |
||||
else iop->pdat &= ~0x00020000 |
||||
#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ |
||||
#endif /* CONFIG_SOFT_I2C */ |
||||
|
||||
#define CFG_I2C_EEPROM_ADDR 0x57 /* EEPROM IS24C02 */ |
||||
#define CFG_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */ |
||||
#define CFG_EEPROM_PAGE_WRITE_BITS 3 |
||||
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */ |
||||
|
||||
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
||||
#define CFG_FLASH_BANKS { FLASH_BASE0_PRELIM } |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Definitions for initial stack pointer and data area (in DPRAM) |
||||
*/ |
||||
|
||||
/*
|
||||
* NS16550 Configuration |
||||
*/ |
||||
#define CFG_NS16550 |
||||
#define CFG_NS16550_SERIAL |
||||
|
||||
#define CFG_NS16550_REG_SIZE 1 |
||||
|
||||
#define CFG_NS16550_CLK 7372800 |
||||
|
||||
#define CFG_NS16550_COM1 0xFF080000 |
||||
#define CFG_NS16550_COM2 (CFG_NS16550_COM1 + 8) |
||||
#define CFG_NS16550_COM3 (CFG_NS16550_COM1 + 16) |
||||
#define CFG_NS16550_COM4 (CFG_NS16550_COM1 + 24) |
||||
|
||||
/*
|
||||
* Low Level Configuration Settings |
||||
* (address mappings, register initial values, etc.) |
||||
* You should know what you are doing if you make changes here. |
||||
*/ |
||||
|
||||
#define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */ |
||||
#define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 3 |
||||
|
||||
#define CFG_DLL_EXTEND 0x00 |
||||
#define CFG_PCI_HOLD_DEL 0x20 |
||||
|
||||
#define CFG_ROMNAL 15 /* rom/flash next access time */ |
||||
#define CFG_ROMFAL 31 /* rom/flash access time */ |
||||
|
||||
#define CFG_REFINT 430 /* # of clocks between CBR refresh cycles */ |
||||
|
||||
#define CFG_DBUS_SIZE2 1 /* set for 8-bit RCS1, clear for 32,64 */ |
||||
|
||||
/* the following are for SDRAM only*/ |
||||
#define CFG_BSTOPRE 121 /* Burst To Precharge, sets open page interval */ |
||||
#define CFG_REFREC 8 /* Refresh to activate interval */ |
||||
#define CFG_RDLAT 4 /* data latency from read command */ |
||||
#define CFG_PRETOACT 3 /* Precharge to activate interval */ |
||||
#define CFG_ACTTOPRE 5 /* Activate to Precharge interval */ |
||||
#define CFG_ACTORW 3 /* Activate to R/W */ |
||||
#define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latency */ |
||||
#define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */ |
||||
#if 0 |
||||
#define CFG_SDMODE_BURSTLEN 2 /* OBSOLETE! SDMODE Burst length 2=4, 3=8 */ |
||||
#endif |
||||
|
||||
#define CFG_REGISTERD_TYPE_BUFFER 1 |
||||
#define CFG_EXTROM 1 |
||||
#define CFG_REGDIMM 0 |
||||
|
||||
|
||||
/* memory bank settings*/ |
||||
/*
|
||||
* only bits 20-29 are actually used from these vales to set the |
||||
* start/end address the upper two bits will be 0, and the lower 20 |
||||
* bits will be set to 0x00000 for a start address, or 0xfffff for an |
||||
* end address |
||||
*/ |
||||
#define CFG_BANK0_START 0x00000000 |
||||
#define CFG_BANK0_END (0x4000000 - 1) |
||||
#define CFG_BANK0_ENABLE 1 |
||||
#define CFG_BANK1_START 0x04000000 |
||||
#define CFG_BANK1_END (0x8000000 - 1) |
||||
#define CFG_BANK1_ENABLE 1 |
||||
#define CFG_BANK2_START 0x3ff00000 |
||||
#define CFG_BANK2_END 0x3fffffff |
||||
#define CFG_BANK2_ENABLE 0 |
||||
#define CFG_BANK3_START 0x3ff00000 |
||||
#define CFG_BANK3_END 0x3fffffff |
||||
#define CFG_BANK3_ENABLE 0 |
||||
#define CFG_BANK4_START 0x00000000 |
||||
#define CFG_BANK4_END 0x00000000 |
||||
#define CFG_BANK4_ENABLE 0 |
||||
#define CFG_BANK5_START 0x00000000 |
||||
#define CFG_BANK5_END 0x00000000 |
||||
#define CFG_BANK5_ENABLE 0 |
||||
#define CFG_BANK6_START 0x00000000 |
||||
#define CFG_BANK6_END 0x00000000 |
||||
#define CFG_BANK6_ENABLE 0 |
||||
#define CFG_BANK7_START 0x00000000 |
||||
#define CFG_BANK7_END 0x00000000 |
||||
#define CFG_BANK7_ENABLE 0 |
||||
/*
|
||||
* Memory bank enable bitmask, specifying which of the banks defined above |
||||
are actually present. MSB is for bank #7, LSB is for bank #0. |
||||
*/ |
||||
#define CFG_BANK_ENABLE 0x01 |
||||
|
||||
#define CFG_ODCR 0x75 /* configures line driver impedances, */ |
||||
/* see 8240 book for bit definitions */ |
||||
#define CFG_PGMAX 0x32 /* how long the 8240 retains the */ |
||||
/* currently accessed page in memory */ |
||||
/* see 8240 book for details */ |
||||
|
||||
/* SDRAM 0 - 256MB */ |
||||
#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE) |
||||
#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP) |
||||
|
||||
/* stack in DCACHE @ 1GB (no backing mem) */ |
||||
#if defined(USE_DINK32) |
||||
#define CFG_IBAT1L (0x40000000 | BATL_PP_00 ) |
||||
#define CFG_IBAT1U (0x40000000 | BATU_BL_128K ) |
||||
#else |
||||
#define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE) |
||||
#define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP) |
||||
#endif |
||||
|
||||
/* PCI memory */ |
||||
#define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT) |
||||
#define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP) |
||||
|
||||
/* Flash, config addrs, etc */ |
||||
#define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT) |
||||
#define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP) |
||||
|
||||
#define CFG_DBAT0L CFG_IBAT0L |
||||
#define CFG_DBAT0U CFG_IBAT0U |
||||
#define CFG_DBAT1L CFG_IBAT1L |
||||
#define CFG_DBAT1U CFG_IBAT1U |
||||
#define CFG_DBAT2L CFG_IBAT2L |
||||
#define CFG_DBAT2U CFG_IBAT2U |
||||
#define CFG_DBAT3L CFG_IBAT3L |
||||
#define CFG_DBAT3U CFG_IBAT3U |
||||
|
||||
/*
|
||||
* 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 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) */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Cache Configuration |
||||
*/ |
||||
#define CFG_CACHELINE_SIZE 32 /* For MPC8240 CPU */ |
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
||||
# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ |
||||
#endif |
||||
|
||||
|
||||
/*
|
||||
* Internal Definitions |
||||
* |
||||
* Boot Flags |
||||
*/ |
||||
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
||||
#define BOOTFLAG_WARM 0x02 /* Software reboot */ |
||||
|
||||
|
||||
/* values according to the manual */ |
||||
|
||||
#define CONFIG_DRAM_50MHZ 1 |
||||
#define CONFIG_SDRAM_50MHZ |
||||
|
||||
#define CONFIG_DISK_SPINUP_TIME 1000000 |
||||
|
||||
#endif /* __CONFIG_H */ |
||||
Loading…
Reference in new issue