N: Frank Gottschling
E: fgottschling@eltec.de
-D: Support for ELTEC MHPC/BAB7xx/ELPPC boards, cfb-console, i8042, SMI LynxEM
+D: Support for ELTEC MHPC/ELPPC boards, cfb-console, i8042, SMI LynxEM
W: www.eltec.de
N: Marius Groeger
N: Andreas Heppel
E: aheppel@sysgo.de
-D: CPU Support for MPC 75x; board support for Eltec BAB750 [obsolete!]
+D: CPU Support for MPC 75x
N: Josh Huber
E: huber@alum.wpi.edu
MHPC MPC8xx
- BAB7xx MPC740/MPC750
-
Wolfgang Grandegger <wg@denx.de>
ipek01 MPC5200
CONFIG_CFB_CONSOLE
Enables console device for a color framebuffer. Needs following
- defines (cf. smiLynxEM, i8042, board/eltec/bab7xx)
+ defines (cf. smiLynxEM, i8042)
VIDEO_FB_LITTLE_ENDIAN graphic memory organisation
(default big endian)
VIDEO_HW_RECTFILL graphic chip supports
+++ /dev/null
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(BOARD).o
-
-COBJS = $(BOARD).o flash.o pci.o misc.o el_srom.o dc_srom.o l2cache.o
-
-SOBJS = asm_init.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-SOBJS := $(addprefix $(obj),$(SOBJS))
-
-$(LIB): $(obj).depend $(OBJS) $(SOBJS)
- $(call cmd_link_o_target, $(OBJS) $(SOBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-/*
- * (C) Copyright 2001 ELTEC Elektronik AG
- * Frank Gottschling <fgottschling@eltec.de>
- *
- * ELTEC BAB PPC RAM initialization
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <config.h>
-#include <asm/processor.h>
-#include <74xx_7xx.h>
-#include <mpc106.h>
-#include <version.h>
-
-#include <ppc_asm.tmpl>
-#include <ppc_defs.h>
-
-/*
- * This following contains the entry code for the initialization code
- * for the MPC 106, a PCI Bridge/Memory Controller.
- * Register usage:
- * r0 = ramtest scratch register, toggleError loop counter
- * r1 = 0xfec0 0cf8 CONFIG_ADDRESS
- * r2 = 0xfee0 0cfc CONFIG_DATA
- * r3 = scratch register, subroutine argument and return value, ramtest size
- * r4 = scratch register, spdRead clock mask, OutHex loop count
- * r5 = ramtest scratch register
- * r6 = toggleError 1st value, spdRead port mask
- * r7 = toggleError 2nd value, ramtest scratch register,
- * spdRead scratch register (0x00)
- * r8 = ramtest scratch register, spdRead scratch register (0x80)
- * r9 = ramtest scratch register, toggleError loop end, OutHex digit
- * r10 = ramtest scratch register, spdWriteByte parameter,
- * spdReadByte return value, printf pointer to COM1
- * r11 = startType
- * r12 = ramtest scratch register, spdRead data mask
- * r13 = pointer to message block
- * r14 = pointer to GOT
- * r15 = scratch register, SPD save
- * r16 = bank0 size, total memory size
- * r17 = bank1 size
- * r18 = bank2 size
- * r19 = bank3 size
- * r20 = MCCR1, MSAR1
- * r21 = MCCR3, MEAR1
- * r22 = MCCR4, MBER
- * r23 = EMSAR1
- * r24 = EMEAR1
- * r25 = save link register 1st level
- * r26 = save link register 2nd level
- * r27 = save link register 3rd level
- * r30 = pointer to GPIO for spdRead
- */
-
-
-.globl board_asm_init
-board_asm_init:
-/*
- * setup pointer to message block
- */
- mflr r25 /* save away link register */
- bl get_lnk_reg /* r3=addr of next instruction */
- subi r4, r3, 8 /* r4=board_asm_init addr */
- addi r13, r4, (MessageBlock-board_asm_init)
-/*
- * dcache_disable
- */
- mfspr r3, HID0
- li r4, HID0_DCE
- andc r3, r3, r4
- mr r2, r3
- ori r3, r3, HID0_DCI
- sync
- mtspr HID0, r3
- mtspr HID0, r2
- isync
- sync
-/*
- * icache_disable
- */
- mfspr r3, HID0
- li r4, 0
- ori r4, r4, HID0_ICE
- andc r3, r3, r4
- sync
- mtspr HID0, r3
-/*
- * invalidate caches
- */
- ori r3, r3, (HID0_ICE | HID0_ICFI | HID0_DCI | HID0_DCE)
- or r4, r4, r3
- isync
- mtspr HID0, r4
- andc r4, r4, r3
- isync
- mtspr HID0, r4
- isync
-/*
- * icache_enable
- */
- mfspr r3, HID0
- ori r3, r3, (HID0_ICE | HID0_ICFI)
- sync
- mtspr HID0, r3
-
- lis r1, 0xfec0
- ori r1, r1, 0x0cf8
- lis r2, 0xfee0
- ori r2, r2, 0xcfc
-
-#ifdef CONFIG_SYS_ADDRESS_MAP_A
-/*
- * Switch to address map A if necessary.
- */
- lis r3, MPC106_REG@h
- ori r3, r3, PCI_PICR1
- stwbrx r3, 0, r1
- sync
- lwbrx r4, 0, r2
- sync
- lis r0, PICR1_XIO_MODE@h
- ori r0, r0, PICR1_XIO_MODE@l
- andc r4, r4, r0
- lis r0, PICR1_ADDRESS_MAP@h
- ori r0, r0, PICR1_ADDRESS_MAP@l
- or r4, r4, r0
- stwbrx r4, 0, r2
- sync
-#endif
-
-/*
- * Do the init for the SIO.
- */
- bl .sioInit
-
- addi r3, r13, (MinitLogo-MessageBlock)
- bl Printf
-
- addi r3, r13, (Mspd01-MessageBlock)
- bl Printf
-/*
- * Memory cofiguration using SPD information stored on the SODIMMs
- */
- li r17, 0
- li r18, 0
- li r19, 0
-
- li r3, 0x0002 /* get RAM type from spd for bank0/1 */
- bl spdRead
-
- cmpi 0, 0, r3, -1 /* error ? */
- bne noSpdError
-
- addi r3, r13, (Mfail-MessageBlock)
- bl Printf
-
- li r6, 0xe0 /* error codes in r6 and r7 */
- li r7, 0x00
- b toggleError /* fail - loop forever */
-
-noSpdError:
- mr r15, r3 /* save r3 */
-
- addi r3, r13, (Mok-MessageBlock)
- bl Printf
-
- cmpli 0, 0, r15, 0x0001 /* FPM ? */
- beq configFPM
- cmpli 0, 0, r15, 0x0002 /* EDO ? */
- beq configEDO
- cmpli 0, 0, r15, 0x0004 /* SDRAM ? */
- beq configSDRAM
-
- li r6, 0xe0 /* error codes in r6 and r7 */
- li r7, 0x01
- b toggleError /* fail - loop forever */
-
-configSDRAM:
- addi r3, r13, (MsdRam-MessageBlock)
- bl Printf
-/*
- * set the Memory Configuration Reg. 1
- */
- li r3, 0x001f /* get bank size from spd bank0/1 */
- bl spdRead
-
- andi. r3, r3, 0x0038
- beq SD16MB2B
-
- li r3, 0x0011 /* get number of internal banks */
- /* from spd for bank0/1 */
- bl spdRead
-
- cmpli 0, 0, r3, 0x02
- beq SD64MB2B
-
- cmpli 0, 0, r3, 0x04
- beq SD64MB4B
-
- li r6, 0xe0 /* error codes in r6 and r7 */
- li r7, 0x02
- b toggleError /* fail - loop forever */
-
-SD64MB2B:
- li r20, 0x0005 /* 64-Mbit SDRAM 2 banks */
- b SDRow2nd
-
-SD64MB4B:
- li r20, 0x0000 /* 64-Mbit SDRAM 4 banks */
- b SDRow2nd
-
-SD16MB2B:
- li r20, 0x000f /* 16-Mbit SDRAM 2 banks */
-
-SDRow2nd:
- li r3, 0x0102 /* get RAM type spd for bank2/3 */
- bl spdRead
-
- cmpli 0, 0, r3, 0x0004
- bne S2D64MB4B /* bank2/3 isn't present or no SDRAM */
-
- li r3, 0x011f /* get bank size from spd bank2/3 */
- bl spdRead
-
- andi. r3, r3, 0x0038
- beq S2D16MB2B
-/*
- * set the Memory Configuration Reg. 2
- */
- li r3, 0x0111 /* get number of internal banks */
- /* from spd for bank2/3 */
- bl spdRead
-
- cmpli 0, 0, r3, 0x02
- beq S2D64MB2B
-
- cmpli 0, 0, r3, 0x04
- beq S2D64MB4B
-
- li r6, 0xe0 /* error codes in r6 and r7 */
- li r7, 0x03
- b toggleError /* fail - loop forever */
-
-S2D64MB2B:
- ori r20, r20, 0x0050 /* 64-Mbit SDRAM 2 banks */
- b S2D64MB4B
-
-S2D16MB2B:
- ori r20, r20, 0x00f0 /* 16-Mbit SDRAM 2 banks */
-
-/*
- * set the Memory Configuration Reg. 3
- */
-S2D64MB4B:
- lis r21, 0x8630 /* BSTOPRE = 0x80, REFREC = 6, */
- /* RDLAT = 3 */
-
-/*
- * set the Memory Configuration Reg. 4
- */
- lis r22, 0x2430 /* PRETOACT = 2, ACTOPRE = 4, */
- /* WCBUF = 1, RCBUF = 1 */
- ori r22, r22, 0x2220 /* SDMODE = 0x022, ACTORW = 2 */
-
-/*
- * get the size of bank 0-3
- */
- li r3, 0x001f /* get bank size from spd bank0/1 */
- bl spdRead
-
- rlwinm r16, r3, 2, 24, 29 /* calculate size in MByte */
- /* (128 MB max.) */
-
- li r3, 0x0005 /* get number of banks from spd */
- /* for bank0/1 */
- bl spdRead
-
- cmpi 0, 0, r3, 2 /* 2 banks ? */
- bne SDRAMnobank1
-
- mr r17, r16
-
-SDRAMnobank1:
- addi r3, r13, (Mspd23-MessageBlock)
- bl Printf
-
- li r3, 0x0102 /* get RAM type spd for bank2/3 */
- bl spdRead
-
- cmpli 0, 0, r3, 0x0001 /* FPM ? */
- bne noFPM23 /* handle as EDO */
- addi r3, r13, (Mok-MessageBlock)
- bl Printf
- addi r3, r13, (MfpmRam-MessageBlock)
- bl Printf
- b configRAMcommon
-noFPM23:
- cmpli 0, 0, r3, 0x0002 /* EDO ? */
- bne noEDO23
- addi r3, r13, (Mok-MessageBlock)
- bl Printf
- addi r3, r13, (MedoRam-MessageBlock)
- bl Printf
- b configRAMcommon
-noEDO23:
- cmpli 0, 0, r3, 0x0004 /* SDRAM ? */
- bne noSDRAM23
- addi r3, r13, (Mok-MessageBlock)
- bl Printf
- addi r3, r13, (MsdRam-MessageBlock)
- bl Printf
- b configSDRAM23
-noSDRAM23:
- addi r3, r13, (Mna-MessageBlock)
- bl Printf
- b configRAMcommon /* bank2/3 isn't present or no SDRAM */
-
-configSDRAM23:
- li r3, 0x011f /* get bank size from spd bank2/3 */
- bl spdRead
-
- rlwinm r18, r3, 2, 24, 29 /* calculate size in MByte */
- /* (128 MB max.) */
-
- li r3, 0x0105 /* get number of banks from */
- /* spd bank0/1 */
- bl spdRead
-
- cmpi 0, 0, r3, 2 /* 2 banks ? */
- bne SDRAMnobank3
-
- mr r19, r18
-
-SDRAMnobank3:
- b configRAMcommon
-
-configFPM:
- addi r3, r13, (MfpmRam-MessageBlock)
- bl Printf
- b configEDO0
-/*
- * set the Memory Configuration Reg. 1
- */
-configEDO:
- addi r3, r13, (MedoRam-MessageBlock)
- bl Printf
-configEDO0:
- lis r20, MCCR1_TYPE_EDO@h
-
-getSpdRowBank01:
- li r3, 0x0003 /* get number of row bits from */
- /* spd from bank0/1 */
- bl spdRead
- ori r20, r20, (MCCR1_BK0_9BITS | MCCR1_BK1_9BITS)
- cmpli 0, 0, r3, 0x0009 /* bank0 - 9 row bits */
- beq getSpdRowBank23
-
- ori r20, r20, (MCCR1_BK0_10BITS | MCCR1_BK1_10BITS)
- cmpli 0, 0, r3, 0x000a /* bank0 - 10 row bits */
- beq getSpdRowBank23
-
- ori r20, r20, (MCCR1_BK0_11BITS | MCCR1_BK1_11BITS)
- cmpli 0, 0, r3, 0x000b /* bank0 - 11 row bits */
- beq getSpdRowBank23
-
- ori r20, r20, (MCCR1_BK0_12BITS | MCCR1_BK1_12BITS)
- cmpli 0, 0, r3, 0x000c /* bank0 - 12 row bits */
- beq getSpdRowBank23
-
- cmpli 0, 0, r3, 0x000d /* bank0 - 13 row bits */
- beq getSpdRowBank23
-
- li r6, 0xe0 /* error codes in r6 and r7 */
- li r7, 0x10
- b toggleError /* fail - loop forever */
-
-getSpdRowBank23:
- li r3, 0x0103 /* get number of row bits from */
- /* spd for bank2/3 */
- bl spdRead
-
- ori r20, r20, (MCCR1_BK2_9BITS | MCCR1_BK3_9BITS)
- cmpli 0, 0, r3, 0x0009 /* bank0 - 9 row bits */
- beq writeRowBits
-
- ori r20, r20, (MCCR1_BK2_10BITS | MCCR1_BK3_10BITS)
- cmpli 0, 0, r3, 0x000a /* bank0 - 10 row bits */
- beq writeRowBits
-
- ori r20, r20, (MCCR1_BK2_11BITS | MCCR1_BK3_11BITS)
- cmpli 0, 0, r3, 0x000b /* bank0 - 11 row bits */
- beq writeRowBits
-
- ori r20, r20, (MCCR1_BK2_12BITS | MCCR1_BK3_12BITS)
-
-/*
- * set the Memory Configuration Reg. 3
- */
-writeRowBits:
- lis r21, 0x000a /* CPX = 1, RAS6P = 4 */
- ori r21, r21, 0x2293 /* CAS5 = 2, CP4 = 1, */
- /* CAS3 = 2, RCD2 = 2, RP = 3 */
-/*
- * set the Memory Configuration Reg. 4
- */
- lis r22, 0x0010 /* all SDRAM parameter 0, */
- /* WCBUF flow through, */
- /* RCBUF registered */
-/*
- * get the size of bank 0-3
- */
- li r3, 0x0003 /* get row bits from spd bank0/1 */
- bl spdRead
-
- li r16, 0 /* bank size is: */
- /* (8*2^row*2^column)/0x100000 MB */
- ori r16, r16, 0x8000
- rlwnm r16, r16, r3, 0, 31
-
- li r3, 0x0004 /* get column bits from spd bank0/1 */
- bl spdRead
-
- rlwnm r16, r16, r3, 0, 31
-
- li r3, 0x0005 /* get number of banks from */
- /* spd for bank0/1 */
- bl spdRead
-
- cmpi 0, 0, r3, 2 /* 2 banks ? */
- bne EDOnobank1
-
- mr r17, r16
-
-EDOnobank1:
- addi r3, r13, (Mspd23-MessageBlock)
- bl Printf
-
- li r3, 0x0102 /* get RAM type spd for bank2/3 */
- bl spdRead
-
- cmpli 0, 0, r3, 0x0001 /* FPM ? */
- bne noFPM231 /* handle as EDO */
- addi r3, r13, (Mok-MessageBlock)
- bl Printf
- addi r3, r13, (MfpmRam-MessageBlock)
- bl Printf
- b EDObank2
-noFPM231:
- cmpli 0, 0, r3, 0x0002 /* EDO ? */
- bne noEDO231
- addi r3, r13, (Mok-MessageBlock)
- bl Printf
- addi r3, r13, (MedoRam-MessageBlock)
- bl Printf
- b EDObank2
-noEDO231:
- cmpli 0, 0, r3, 0x0004 /* SDRAM ? */
- bne noSDRAM231
- addi r3, r13, (Mok-MessageBlock)
- bl Printf
- addi r3, r13, (MsdRam-MessageBlock)
- bl Printf
- b configRAMcommon
-noSDRAM231:
- addi r3, r13, (Mfail-MessageBlock)
- bl Printf
- b configRAMcommon /* bank2/3 isn't present or no SDRAM */
-
-EDObank2:
- li r3, 0x0103 /* get row bits from spd for bank2/3 */
- bl spdRead
-
- li r18, 0 /* bank size is: */
- /* (8*2^row*2^column)/0x100000 MB */
- ori r18, r18, 0x8000
- rlwnm r18, r18, r3, 0, 31
-
- li r3, 0x0104 /* get column bits from spd bank2/3 */
- bl spdRead
-
- rlwnm r18, r18, r3, 0, 31
-
- li r3, 0x0105 /* get number of banks from */
- /* spd for bank2/3 */
- bl spdRead
-
- cmpi 0, 0, r3, 2 /* 2 banks ? */
- bne configRAMcommon
-
- mr r19, r18
-
-configRAMcommon:
- lis r1, MPC106_REG_ADDR@h
- ori r1, r1, MPC106_REG_ADDR@l
- lis r2, MPC106_REG_DATA@h
- ori r2, r2, MPC106_REG_DATA@l
-
- li r0, 0
-
-/*
- * If we are already running in RAM (debug mode), we should
- * NOT reset the MEMGO flag. Otherwise we will stop all memory
- * accesses.
- */
-#ifdef IN_RAM
- lis r4, MCCR1_MEMGO@h
- ori r4, r4, MCCR1_MEMGO@l
- or r20, r20, r4
-#endif
-
-/*
- * set the Memory Configuration Reg. 1
- */
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_MCCR1 /* register number 0xf0 */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
- stwbrx r20, r0, r2 /* write data to CONFIG_DATA */
-/*
- * set the Memory Configuration Reg. 3
- */
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_MCCR3 /* register number 0xf8 */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
- stwbrx r21, r0, r2 /* write data to CONFIG_DATA */
-/*
- * set the Memory Configuration Reg. 4
- */
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_MCCR4 /* register number 0xfc */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
- stwbrx r22, r0, r2 /* write data to CONFIG_DATA */
-/*
- * set the memory boundary registers for bank 0-3
- */
- li r20, 0
- li r23, 0
- li r24, 0
- subi r21, r16, 1 /* calculate end address bank0 */
- li r22, (MBER_BANK0)
-
- cmpi 0, 0, r17, 0 /* bank1 present ? */
- beq nobank1
-
- rlwinm r3, r16, 8, 16, 23 /* calculate start address of bank1 */
- or r20, r20, r3
- add r16, r16, r17 /* add to total memory size */
- subi r3, r16, 1 /* calculate end address of bank1 */
- rlwinm r3, r3, 8, 16, 23
- or r21, r21, r3
- ori r22, r22, (MBER_BANK1) /* enable bank1 */
- b bank2
-
-nobank1:
- ori r23, r23, 0x0300 /* set bank1 start to unused area */
- ori r24, r24, 0x0300 /* set bank1 end to unused area */
-
-bank2:
- cmpi 0, 0, r18, 0 /* bank2 present ? */
- beq nobank2
-
- andi. r3, r16, 0x00ff /* calculate start address of bank2 */
- andi. r4, r16, 0x0300
- rlwinm r3, r3, 16, 8, 15
- or r20, r20, r3
- rlwinm r3, r4, 8, 8, 15
- or r23, r23, r3
- add r16, r16, r18 /* add to total memory size */
- subi r3, r16, 1 /* calculate end address of bank2 */
- andi. r4, r3, 0x0300
- andi. r3, r3, 0x00ff
- rlwinm r3, r3, 16, 8, 15
- or r21, r21, r3
- rlwinm r3, r4, 8, 8, 15
- or r24, r24, r3
- ori r22, r22, (MBER_BANK2) /* enable bank2 */
- b bank3
-
-nobank2:
- lis r3, 0x0003
- or r23, r23, r3 /* set bank2 start to unused area */
- or r24, r24, r3 /* set bank2 end to unused area */
-
-bank3:
- cmpi 0, 0, r19, 0 /* bank3 present ? */
- beq nobank3
-
- andi. r3, r16, 0x00ff /* calculate start address of bank3 */
- andi. r4, r16, 0x0300
- rlwinm r3, r3, 24, 0, 7
- or r20, r20, r3
- rlwinm r3, r4, 16, 0, 7
- or r23, r23, r3
- add r16, r16, r19 /* add to total memory size */
- subi r3, r16, 1 /* calculate end address of bank3 */
- andi. r4, r3, 0x0300
- andi. r3, r3, 0x00ff
- rlwinm r3, r3, 24, 0, 7
- or r21, r21, r3
- rlwinm r3, r4, 16, 0, 7
- or r24, r24, r3
- ori r22, r22, (MBER_BANK3) /* enable bank3 */
- b writebound
-
-nobank3:
- lis r3, 0x0300
- or r23, r23, r3 /* set bank3 start to unused area */
- or r24, r24, r3 /* set bank3 end to unused area */
-
-writebound:
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_MSAR1 /* register number 0x80 */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
- stwbrx r20, r0, r2 /* write data to CONFIG_DATA */
-
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_MEAR1 /* register number 0x90 */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
- stwbrx r21, r0, r2 /* write data to CONFIG_DATA */
-
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_EMSAR1 /* register number 0x88 */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
- stwbrx r23, r0, r2 /* write data to CONFIG_DATA */
-
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_EMEAR1 /* register number 0x98 */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
- stwbrx r24, r0, r2 /* write data to CONFIG_DATA */
-
-/*
- * set boundaries of unused banks to unused address space
- */
- lis r4, 0x0303
- ori r4, r4, 0x0303 /* bank 4-7 start and end adresses */
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_EMSAR2 /* register number 0x8C */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
- stwbrx r4, r0, r2 /* write data to CONFIG_DATA */
-
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_EMEAR2 /* register number 0x9C */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
- stwbrx r4, r0, r2 /* write data to CONFIG_DATA */
-
-/*
- * set the Memory Configuration Reg. 2
- */
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_MCCR2 /* register number 0xf4 */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
-
- li r3, 0x000c /* get refresh from spd for bank0/1 */
- bl spdRead
-
- cmpi 0, 0, r3, -1 /* error ? */
- bne common1
-
- li r6, 0xe0 /* error codes in r6 and r7 */
- li r7, 0x20
- b toggleError /* fail - loop forever */
-
-common1:
- andi. r15, r3, 0x007f /* mask selfrefresh bit */
- li r3, 0x010c /* get refresh from spd for bank2/3 */
- bl spdRead
-
- cmpi 0, 0, r3, -1 /* error ? */
- beq common2
- andi. r3, r3, 0x007f /* mask selfrefresh bit */
- cmp 0, 0, r3, r15 /* find the lower */
- blt common3
-
-common2:
- mr r3, r15
-
-common3:
- li r4, 0x1010 /* refesh cycle 1028 clocks */
- /* left shifted 2 */
- cmpli 0, 0, r3, 0x0000 /* 15.6 us ? */
- beq writeRefresh
-
- li r4, 0x0808 /* refesh cycle 514 clocks */
- /* left shifted 2 */
- cmpli 0, 0, r3, 0x0002 /* 7.8 us ? */
- beq writeRefresh
-
- li r4, 0x2020 /* refesh cycle 2056 clocks */
- /* left shifted 2 */
- cmpli 0, 0, r3, 0x0003 /* 31.3 us ? */
- beq writeRefresh
-
- li r4, 0x4040 /* refesh cycle 4112 clocks */
- /* left shifted 2 */
- cmpli 0, 0, r3, 0x0004 /* 62.5 us ? */
- beq writeRefresh
-
- li r4, 0
- ori r4, r4, 0x8080 /* refesh cycle 8224 clocks */
- /* left shifted 2 */
- cmpli 0, 0, r3, 0x0005 /* 125 us ? */
- beq writeRefresh
-
- li r6, 0xe0 /* error codes in r6 and r7 */
- li r7, 0x21
- b toggleError /* fail - loop forever */
-
-writeRefresh:
- stwbrx r4, r0, r2 /* write data to CONFIG_DATA */
-
-/*
- * DRAM BANKS SHOULD BE ENABLED
- */
- addi r3, r13, (Mactivate-MessageBlock)
- bl Printf
- mr r3, r16
- bl OutDec
- addi r3, r13, (Mmbyte-MessageBlock)
- bl Printf
-
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_MBER /* register number 0xa0 */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
- stb r22, 0(r2) /* write data to CONFIG_DATA */
- li r8, 0x63 /* PGMAX = 99 */
- stb r8, 3(r2) /* write data to CONFIG_DATA */
-
-/*
- * DRAM SHOULD NOW BE CONFIGURED AND ENABLED
- * MUST WAIT 200us BEFORE ACCESSING
- */
- li r0, 0x7800
- mtctr r0
-
-wait200us:
- bdnz wait200us
-
- lis r3, MPC106_REG@h /* start building new reg number */
- ori r3, r3, MPC106_MCCR1 /* register number 0xf0 */
- stwbrx r3, r0, r1 /* write this value to CONFIG_ADDR */
- eieio /* make sure mem. access is complete */
-
- lwbrx r4, r0, r2 /* load r4 from CONFIG_DATA */
-
- lis r0, MCCR1_MEMGO@h /* MEMGO=1 */
- ori r0, r0, MCCR1_MEMGO@l
- or r4, r4, r0 /* set the MEMGO bit */
- stwbrx r4, r0, r2 /* write mdfd data to CONFIG_DATA */
-
- li r0, 0x7000
- mtctr r0
-
-wait8ref:
- bdnz wait8ref
-
- addi r3, r13, (Mok-MessageBlock)
- bl Printf
-
- mtlr r25
- blr
-
-/*
- * Infinite loop called in case of an error during RAM initialisation.
- * error codes in r6 and r7.
- */
-toggleError:
- li r0, 0
- lis r9, 127
- ori r9, r9, 65535
-toggleError1:
- addic r0, r0, 1
- cmpw cr1, r0, r9
- ble cr1, toggleError1
- li r0, 0
- lis r9, 127
- ori r9, r9, 65535
-toggleError2:
- addic r0, r0, 1
- cmpw cr1, r0, r9
- ble cr1, toggleError2
- b toggleError
-
-
-/******************************************************************************
- * This function performs a basic initialisation of the superio chip
- * to enable basic console output and SPD access during RAM initialisation.
- *
- * Upon completion, SIO resource registers are mapped as follows:
- * Resource Enabled Address
- * UART1 Yes 3F8-3FF COM1
- * UART2 Yes 2F8-2FF COM2
- * GPIO Yes 220-227
- */
-.set SIO_LUNINDEX, 0x07 /* SIO LUN index register */
-.set SIO_CNFG1, 0x21 /* SIO configuration #1 register */
-.set SIO_PCSCI, 0x23 /* SIO PCS configuration index reg */
-.set SIO_PCSCD, 0x24 /* SIO PCS configuration data reg */
-.set SIO_ACTIVATE, 0x30 /* SIO activate register */
-.set SIO_IOBASEHI, 0x60 /* SIO I/O port base address, 15:8 */
-.set SIO_IOBASELO, 0x61 /* SIO I/O port base address, 7:0 */
-.set SIO_LUNENABLE, 0x01 /* SIO LUN enable */
-
-.sioInit:
- mfspr r7, 8 /* save link register */
-
-.sioInit_87308:
-
-/*
- * Get base addr of ISA I/O space
- */
- lis r6, CONFIG_SYS_ISA_IO@h
- ori r6, r6, CONFIG_SYS_ISA_IO@l
-
-/*
- * Set offset to base address for config registers.
- */
-#if defined(CONFIG_SYS_NS87308_BADDR_0x)
- addi r4, r0, 0x0279
-#elif defined(CONFIG_SYS_NS87308_BADDR_10)
- addi r4, r0, 0x015C
-#elif defined(CONFIG_SYS_NS87308_BADDR_11)
- addi r4, r0, 0x002E
-#endif
- add r6, r6, r4 /* add offset to base */
- or r3, r6, r6 /* make a copy */
-
-/*
- * PMC (LUN 8)
- */
- addi r4, r0, SIO_LUNINDEX /* select PMC LUN */
- addi r5, r0, 0x8
- bl .sio_bw
- addi r4, r0, SIO_IOBASEHI /* initialize PMC address to 0x460 */
- addi r5, r0, 0x04
- bl .sio_bw
- addi r4, r0, SIO_IOBASELO
- addi r5, r0, 0x60
- bl .sio_bw
- addi r4, r0, SIO_ACTIVATE /* enable PMC */
- addi r5, r0, SIO_LUNENABLE
- bl .sio_bw
-
- lis r8, CONFIG_SYS_ISA_IO@h
- ori r8, r8, 0x0460
- li r9, 0x03
- stb r9, 0(r8) /* select PMC2 register */
- eieio
- li r9, 0x00
- stb r9, 1(r8) /* SuperI/O clock src: 24MHz via X1 */
- eieio
-
-/*
- * map UART1 (LUN 6) or UART2 (LUN 5) to COM1 (0x3F8)
- */
- addi r4, r0, SIO_LUNINDEX /* select COM1 LUN */
- addi r5, r0, 0x6
- bl .sio_bw
-
- addi r4, r0, SIO_IOBASEHI /* initialize COM1 address to 0x3F8 */
- addi r5, r0, 0x03
- bl .sio_bw
-
- addi r4, r0, SIO_IOBASELO
- addi r5, r0, 0xF8
- bl .sio_bw
-
- addi r4, r0, SIO_ACTIVATE /* enable COM1 */
- addi r5, r0, SIO_LUNENABLE
- bl .sio_bw
-
-/*
- * Init COM1 for polled output
- */
- lis r8, CONFIG_SYS_ISA_IO@h
- ori r8, r8, 0x03f8
- li r9, 0x00
- stb r9, 1(r8) /* int disabled */
- eieio
- li r9, 0x00
- stb r9, 4(r8) /* modem ctrl */
- eieio
- li r9, 0x80
- stb r9, 3(r8) /* link ctrl, bank select */
- eieio
- li r9, 115200/CONFIG_BAUDRATE
- stb r9, 0(r8) /* baud rate (LSB)*/
- eieio
- rotrwi r9, r9, 8
- stb r9, 1(r8) /* baud rate (MSB) */
- eieio
- li r9, 0x03
- stb r9, 3(r8) /* 8 data bits, 1 stop bit, */
- /* no parity */
- eieio
- li r9, 0x0b
- stb r9, 4(r8) /* enable the receiver and transmitter */
- eieio
-
-waitEmpty:
- lbz r9, 5(r8) /* transmit empty */
- andi. r9, r9, 0x40
- beq waitEmpty
- li r9, 0x47
- stb r9, 3(r8) /* send break, 8 data bits, */
- /* 2 stop bits, no parity */
- eieio
-
- lis r0, 0x0001
- mtctr r0
-
-waitCOM1:
- lwz r0, 5(r8) /* load from port for delay */
- bdnz waitCOM1
-
-waitEmpty1:
- lbz r9, 5(r8) /* transmit empty */
- andi. r9, r9, 0x40
- beq waitEmpty1
- li r9, 0x07
- stb r9, 3(r8) /* 8 data bits, 2 stop bits, */
- /* no parity */
- eieio
-
-/*
- * GPIO (LUN 7)
- */
- addi r4, r0, SIO_LUNINDEX /* select GPIO LUN */
- addi r5, r0, 0x7
- bl .sio_bw
-
- addi r4, r0, SIO_IOBASEHI /* initialize GPIO address to 0x220 */
- addi r5, r0, 0x02
- bl .sio_bw
-
- addi r4, r0, SIO_IOBASELO
- addi r5, r0, 0x20
- bl .sio_bw
-
- addi r4, r0, SIO_ACTIVATE /* enable GPIO */
- addi r5, r0, SIO_LUNENABLE
- bl .sio_bw
-
-.sioInit_done:
-
-/*
- * Get base addr of ISA I/O space
- */
- lis r3, CONFIG_SYS_ISA_IO@h
- ori r3, r3, CONFIG_SYS_ISA_IO@l
-
- addi r3, r3, 0x015C /* adjust to superI/O 87308 base */
- or r6, r3, r3 /* make a copy */
-/*
- * CS0
- */
- addi r4, r0, SIO_PCSCI /* select PCSCIR */
- addi r5, r0, 0x00
- bl .sio_bw
- addi r4, r0, SIO_PCSCD /* select PCSCDR */
- addi r5, r0, 0x00
- bl .sio_bw
- addi r4, r0, SIO_PCSCI /* select PCSCIR */
- addi r5, r0, 0x01
- bl .sio_bw
- addi r4, r0, SIO_PCSCD /* select PCSCDR */
- addi r5, r0, 0x76
- bl .sio_bw
- addi r4, r0, SIO_PCSCI /* select PCSCIR */
- addi r5, r0, 0x02
- bl .sio_bw
- addi r4, r0, SIO_PCSCD /* select PCSCDR */
- addi r5, r0, 0x40
- bl .sio_bw
-/*
- * CS1
- */
- addi r4, r0, SIO_PCSCI /* select PCSCIR */
- addi r5, r0, 0x05
- bl .sio_bw
- addi r4, r0, SIO_PCSCD /* select PCSCDR */
- addi r5, r0, 0x00
- bl .sio_bw
- addi r4, r0, SIO_PCSCI /* select PCSCIR */
- addi r5, r0, 0x05
- bl .sio_bw
- addi r4, r0, SIO_PCSCD /* select PCSCDR */
- addi r5, r0, 0x70
- bl .sio_bw
- addi r4, r0, SIO_PCSCI /* select PCSCIR */
- addi r5, r0, 0x06
- bl .sio_bw
- addi r4, r0, SIO_PCSCD /* select PCSCDR */
- addi r5, r0, 0x1C
- bl .sio_bw
-/*
- * CS2
- */
- addi r4, r0, SIO_PCSCI /* select PCSCIR */
- addi r5, r0, 0x08
- bl .sio_bw
- addi r4, r0, SIO_PCSCD /* select PCSCDR */
- addi r5, r0, 0x00
- bl .sio_bw
- addi r4, r0, SIO_PCSCI /* select PCSCIR */
- addi r5, r0, 0x09
- bl .sio_bw
- addi r4, r0, SIO_PCSCD /* select PCSCDR */
- addi r5, r0, 0x71
- bl .sio_bw
- addi r4, r0, SIO_PCSCI /* select PCSCIR */
- addi r5, r0, 0x0A
- bl .sio_bw
- addi r4, r0, SIO_PCSCD /* select PCSCDR */
- addi r5, r0, 0x1C
- bl .sio_bw
-
- mtspr 8, r7 /* restore link register */
- bclr 20, 0 /* return to caller */
-
-/*
- * this function writes a register to the SIO chip
- */
-.sio_bw:
- stb r4, 0(r3) /* write index register with register offset */
- eieio
- sync
- stb r5, 1(r3) /* 1st write */
- eieio
- sync
- stb r5, 1(r3) /* 2nd write */
- eieio
- sync
- bclr 20, 0 /* return to caller */
-/*
- * this function reads a register from the SIO chip
- */
-.sio_br:
- stb r4, 0(r3) /* write index register with register offset */
- eieio
- sync
- lbz r3, 1(r3) /* retrieve specified reg offset contents */
- eieio
- sync
- bclr 20, 0 /* return to caller */
-
-/*
- * Print a message to COM1 in polling mode
- * r10=COM1 port, r3=(char*)string
- */
-.globl Printf
-Printf:
- lis r10, CONFIG_SYS_ISA_IO@h /* COM1 port */
- ori r10, r10, 0x03f8
-
-WaitChr:
- lbz r0, 5(r10) /* read link status */
- eieio
- andi. r0, r0, 0x40 /* mask transmitter empty bit */
- beq cr0, WaitChr /* wait till empty */
- lbzx r0, r0, r3 /* get char */
- stb r0, 0(r10) /* write to transmit reg */
- eieio
- addi r3, r3, 1 /* next char */
- lbzx r0, r0, r3 /* get char */
- cmpwi cr1, r0, 0 /* end of string ? */
- bne cr1, WaitChr
- blr
-
-/*
- * Print 8/4/2 digits hex value to COM1 in polling mode
- * r10=COM1 port, r3=val
- */
-OutHex2:
- li r9, 4 /* shift reg for 2 digits */
- b OHstart
-OutHex4:
- li r9, 12 /* shift reg for 4 digits */
- b OHstart
- .globl OutHex
-OutHex:
- li r9, 28 /* shift reg for 8 digits */
-OHstart:
- lis r10, CONFIG_SYS_ISA_IO@h /* COM1 port */
- ori r10, r10, 0x03f8
-OutDig:
- lbz r0, 5(r10) /* read link status */
- eieio
- andi. r0, r0, 0x40 /* mask transmitter empty bit */
- beq cr0, OutDig
- sraw r0, r3, r9
- clrlwi r0, r0, 28
- cmpwi cr1, r0, 9
- ble cr1, digIsNum
- addic r0, r0, 55
- b nextDig
-digIsNum:
- addic r0, r0, 48
-nextDig:
- stb r0, 0(r10) /* write to transmit reg */
- eieio
- addic. r9, r9, -4
- bge OutDig
- blr
-/*
- * Print 3 digits hdec value to COM1 in polling mode
- * r10=COM1 port, r3=val, r7=x00, r8=x0, r9=x, r0, r6=scratch
- */
-.globl OutDec
-OutDec:
- li r6, 10
- divwu r0, r3, r6 /* r0 = r3 / 10, r9 = r3 mod 10 */
- mullw r10, r0, r6
- subf r9, r10, r3
-
- mr r3, r0
- divwu r0, r3, r6 /* r0 = r3 / 10, r8 = r3 mod 10 */
- mullw r10, r0, r6
- subf r8, r10, r3
-
- mr r3, r0
- divwu r0, r3, r6 /* r0 = r3 / 10, r7 = r3 mod 10 */
- mullw r10, r0, r6
- subf r7, r10, r3
-
- lis r10, CONFIG_SYS_ISA_IO@h /* COM1 port */
- ori r10, r10, 0x03f8
-
- or. r7, r7, r7
- bne noblank1
- li r3, 0x20
- b OutDec4
-
-noblank1:
- addi r3, r7, 48 /* convert to ASCII */
-
-OutDec4:
- lbz r0, 0(r13) /* slow down dummy read */
- lbz r0, 5(r10) /* read link status */
- eieio
- andi. r0, r0, 0x40 /* mask transmitter empty bit */
- beq cr0, OutDec4
- stb r3, 0(r10) /* x00 to transmit */
- eieio
-
- or. r7, r7, r8
- beq OutDec5
-
- addi r3, r8, 48 /* convert to ASCII */
-OutDec5:
- lbz r0, 0(r13) /* slow down dummy read */
- lbz r0, 5(r10) /* read link status */
- eieio
- andi. r0, r0, 0x40 /* mask transmitter empty bit */
- beq cr0, OutDec5
- stb r3, 0(r10) /* x0 to transmit */
- eieio
-
- addi r3, r9, 48 /* convert to ASCII */
-OutDec6:
- lbz r0, 0(r13) /* slow down dummy read */
- lbz r0, 5(r10) /* read link status */
- eieio
- andi. r0, r0, 0x40 /* mask transmitter empty bit */
- beq cr0, OutDec6
- stb r3, 0(r10) /* x to transmit */
- eieio
- blr
-/*
- * Print a char to COM1 in polling mode
- * r10=COM1 port, r3=char
- */
-.globl OutChr
-OutChr:
- lis r10, CONFIG_SYS_ISA_IO@h /* COM1 port */
- ori r10, r10, 0x03f8
-
-OutChr1:
- lbz r0, 5(r10) /* read link status */
- eieio
- andi. r0, r0, 0x40 /* mask transmitter empty bit */
- beq cr0, OutChr1 /* wait till empty */
- stb r3, 0(r10) /* write to transmit reg */
- eieio
- blr
-/*
- * Input: r3 adr to read
- * Output: r3 val or -1 for error
- */
-spdRead:
- mfspr r26, 8 /* save link register */
-
- lis r30, CONFIG_SYS_ISA_IO@h
- ori r30, r30, 0x220 /* GPIO Port 1 */
- li r7, 0x00
- li r8, 0x100
- and. r5, r3, r8
- beq spdbank0
- li r12, 0x08
- li r4, 0x10
- li r6, 0x18
- b spdRead1
-
-spdbank0:
- li r12, 0x20 /* set I2C data */
- li r4, 0x40 /* set I2C clock */
- li r6, 0x60 /* set I2C clock and data */
-
-spdRead1:
- li r8, 0x80
-
- bl spdStart /* access I2C bus as master */
- li r10, 0xa0 /* write to SPD */
- bl spdWriteByte
- bl spdReadAck /* ACK returns in r10 */
- cmpw cr0, r10, r7
- bne AckErr /* r10 must be 0, if ACK received */
- mr r10, r3 /* adr to read */
- bl spdWriteByte
- bl spdReadAck
- cmpw cr0, r10, r7
- bne AckErr
- bl spdStart
- li r10, 0xa1 /* read from SPD */
- bl spdWriteByte
- bl spdReadAck
- cmpw cr0, r10, r7
- bne AckErr
- bl spdReadByte /* return val in r10 */
- bl spdWriteAck
- bl spdStop /* release I2C bus */
- mr r3, r10
- mtspr 8, r26 /* restore link register */
- blr
-/*
- * ACK error occurred
- */
-AckErr:
- bl spdStop
- orc r3, r0, r0 /* return -1 */
- mtspr 8, r26 /* restore link register */
- blr
-
-/*
- * Routines to read from RAM spd.
- * r30 - GPIO Port1 address in all cases.
- * r4 - clock mask for SPD
- * r6 - port mask for SPD
- * r12 - data mask for SPD
- */
-waitSpd:
- li r0, 0x1000
- mtctr r0
-wSpd:
- bdnz wSpd
- bclr 20, 0 /* return to caller */
-
-/*
- * establish START condition on I2C bus
- */
-spdStart:
- mfspr r27, 8 /* save link register */
- stb r6, 0(r30) /* set SDA and SCL */
- eieio
- stb r6, 1(r30) /* switch GPIO to output */
- eieio
- bl waitSpd
- stb r4, 0(r30) /* reset SDA */
- eieio
- bl waitSpd
- stb r7, 0(r30) /* reset SCL */
- eieio
- bl waitSpd
- mtspr 8, r27
- bclr 20, 0 /* return to caller */
-
-/*
- * establish STOP condition on I2C bus
- */
-spdStop:
- mfspr r27, 8 /* save link register */
- stb r7, 0(r30) /* reset SCL and SDA */
- eieio
- stb r6, 1(r30) /* switch GPIO to output */
- eieio
- bl waitSpd
- stb r4, 0(r30) /* set SCL */
- eieio
- bl waitSpd
- stb r6, 0(r30) /* set SDA and SCL */
- eieio
- bl waitSpd
- stb r7, 1(r30) /* switch GPIO to input */
- eieio
- mtspr 8, r27
- bclr 20, 0 /* return to caller */
-
-spdReadByte:
- mfspr r27, 8
- stb r4, 1(r30) /* set GPIO for SCL output */
- eieio
- li r9, 0x08
- li r10, 0x00
-loopRB:
- stb r7, 0(r30) /* reset SDA and SCL */
- eieio
- bl waitSpd
- stb r4, 0(r30) /* set SCL */
- eieio
- bl waitSpd
- lbz r5, 0(r30) /* read from GPIO Port1 */
- rlwinm r10, r10, 1, 0, 31
- and. r5, r5, r12
- beq clearBit
- ori r10, r10, 0x01 /* append _1_ */
-clearBit:
- stb r7, 0(r30) /* reset SCL */
- eieio
- bl waitSpd
- addic. r9, r9, -1
- bne loopRB
- mtspr 8, r27
- bclr 20, 0 /* return (r10) to caller */
-
-/*
- * spdWriteByte writes bits 24 - 31 of r10 to I2C.
- * r8 contains bit mask 0x80
- */
-spdWriteByte:
- mfspr r27, 8 /* save link register */
- li r9, 0x08 /* write octet */
- and. r5, r10, r8
- bne sWB1
- stb r7, 0(r30) /* set SDA to _0_ */
- eieio
- b sWB2
-sWB1:
- stb r12, 0(r30) /* set SDA to _1_ */
- eieio
-sWB2:
- stb r6, 1(r30) /* set GPIO to output */
- eieio
-loopWB:
- and. r5, r10, r8
- bne sWB3
- stb r7, 0(r30) /* set SDA to _0_ */
- eieio
- b sWB4
-sWB3:
- stb r12, 0(r30) /* set SDA to _1_ */
- eieio
-sWB4:
- bl waitSpd
- and. r5, r10, r8
- bne sWB5
- stb r4, 0(r30) /* set SDA to _0_ and SCL */
- eieio
- b sWB6
-sWB5:
- stb r6, 0(r30) /* set SDA to _1_ and SCL */
- eieio
-sWB6:
- bl waitSpd
- and. r5, r10, r8
- bne sWB7
- stb r7, 0(r30) /* set SDA to _0_ and reset SCL */
- eieio
- b sWB8
-sWB7:
- stb r12, 0(r30) /* set SDA to _1_ and reset SCL */
- eieio
-sWB8:
- bl waitSpd
- rlwinm r10, r10, 1, 0, 31 /* next bit */
- addic. r9, r9, -1
- bne loopWB
- mtspr 8, r27
- bclr 20, 0 /* return to caller */
-
-/*
- * Read ACK from SPD, return value in r10
- */
-spdReadAck:
- mfspr r27, 8 /* save link register */
- stb r4, 1(r30) /* set GPIO to output */
- eieio
- stb r7, 0(r30) /* reset SDA and SCL */
- eieio
- bl waitSpd
- stb r4, 0(r30) /* set SCL */
- eieio
- bl waitSpd
- lbz r10, 0(r30) /* read GPIO Port 1 and mask SDA */
- and r10, r10, r12
- bl waitSpd
- stb r7, 0(r30) /* reset SDA and SCL */
- eieio
- bl waitSpd
- mtspr 8, r27
- bclr 20, 0 /* return (r10) to caller */
-
-spdWriteAck:
- mfspr r27, 8
- stb r12, 0(r30) /* set SCL */
- eieio
- stb r6, 1(r30) /* set GPIO to output */
- eieio
- bl waitSpd
- stb r6, 0(r30) /* SDA and SCL */
- eieio
- bl waitSpd
- stb r12, 0(r30) /* reset SCL */
- eieio
- bl waitSpd
- mtspr 8, r27
- bclr 20, 0 /* return to caller */
-
-get_lnk_reg:
- mflr r3 /* return link reg */
- blr
-
-/*
- * Messages for console output
- */
-.globl MessageBlock
-MessageBlock:
-Mok:
- .ascii "OK\015\012\000"
-Mfail:
- .ascii "FAILED\015\012\000"
-Mna:
- .ascii "NA\015\012\000"
-MinitLogo:
- .ascii "\015\012*** ELTEC Elektronik, Mainz ***\015\012"
- .ascii "\015\012Initialising RAM\015\012\000"
-Mspd01:
- .ascii " Reading SPD of bank0/1 ..... \000"
-Mspd23:
- .ascii " Reading SPD of bank2/3 ..... \000"
-MfpmRam:
- .ascii " RAM-Type: FPM \015\012\000"
-MedoRam:
- .ascii " RAM-Type: EDO \015\012\000"
-MsdRam:
- .ascii " RAM-Type: SDRAM \015\012\000"
-Mactivate:
- .ascii " Activating \000"
-Mmbyte:
- .ascii " MB .......... \000"
- .align 4
+++ /dev/null
-/*
- * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Andreas Heppel <aheppel@sysgo.de>
- * (C) Copyright 2001 ELTEC Elektronik AG
- * Frank Gottschling <fgottschling@eltec.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <command.h>
-#include <mpc106.h>
-#include <mk48t59.h>
-#include <74xx_7xx.h>
-#include <ns87308.h>
-#include <video_fb.h>
-#include <netdev.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*---------------------------------------------------------------------------*/
-/*
- * Get Bus clock frequency
- */
-ulong bab7xx_get_bus_freq (void)
-{
- /*
- * The GPIO Port 1 on BAB7xx reflects the bus speed.
- */
- volatile struct GPIO *gpio =
- (struct GPIO *) (CONFIG_SYS_ISA_IO + CONFIG_SYS_NS87308_GPIO_BASE);
-
- unsigned char data = gpio->dta1;
-
- if (data & 0x02)
- return 66666666;
-
- return 83333333;
-}
-
-/*---------------------------------------------------------------------------*/
-
-/*
- * Measure CPU clock speed (core clock GCLK1) (Approx. GCLK frequency in Hz)
- */
-ulong bab7xx_get_gclk_freq (void)
-{
- static const int pllratio_to_factor[] = {
- 00, 75, 70, 00, 20, 65, 100, 45, 30, 55, 40, 50, 80, 60, 35,
- 00,
- };
-
- return pllratio_to_factor[get_hid1 () >> 28] *
- (bab7xx_get_bus_freq () / 10);
-}
-
-/*----------------------------------------------------------------------------*/
-
-int checkcpu (void)
-{
- uint pvr = get_pvr ();
-
- printf ("MPC7xx V%d.%d", (pvr >> 8) & 0xFF, pvr & 0xFF);
- printf (" at %ld / %ld MHz\n", bab7xx_get_gclk_freq () / 1000000,
- bab7xx_get_bus_freq () / 1000000);
-
- return (0);
-}
-
-/* ------------------------------------------------------------------------- */
-
-int checkboard (void)
-{
-#ifdef CONFIG_SYS_ADDRESS_MAP_A
- puts ("Board: ELTEC BAB7xx PReP\n");
-#else
- puts ("Board: ELTEC BAB7xx CHRP\n");
-#endif
- return (0);
-}
-
-/* ------------------------------------------------------------------------- */
-
-int checkflash (void)
-{
- /* TODO: XXX XXX XXX */
- printf ("2 MB ## Test not implemented yet ##\n");
- return (0);
-}
-
-/* ------------------------------------------------------------------------- */
-
-
-static unsigned int mpc106_read_cfg_dword (unsigned int reg)
-{
- unsigned int reg_addr = MPC106_REG | (reg & 0xFFFFFFFC);
-
- out32r (MPC106_REG_ADDR, reg_addr);
-
- return (in32r (MPC106_REG_DATA | (reg & 0x3)));
-}
-
-/* ------------------------------------------------------------------------- */
-
-long int dram_size (int board_type)
-{
- /* No actual initialisation to do - done when setting up
- * PICRs MCCRs ME/SARs etc in ram_init.S.
- */
-
- register unsigned long i, msar1, mear1, memSize;
-
-#if defined(CONFIG_SYS_MEMTEST)
- register unsigned long reg;
-
- printf ("Testing DRAM\n");
-
- /* write each mem addr with it's address */
- for (reg = CONFIG_SYS_MEMTEST_START; reg < CONFIG_SYS_MEMTEST_END; reg += 4)
- *reg = reg;
-
- for (reg = CONFIG_SYS_MEMTEST_START; reg < CONFIG_SYS_MEMTEST_END; reg += 4) {
- if (*reg != reg)
- return -1;
- }
-#endif
-
- /*
- * Since MPC106 memory controller chip has already been set to
- * control all memory, just read and interpret its memory boundery register.
- */
- memSize = 0;
- msar1 = mpc106_read_cfg_dword (MPC106_MSAR1);
- mear1 = mpc106_read_cfg_dword (MPC106_MEAR1);
- i = mpc106_read_cfg_dword (MPC106_MBER) & 0xf;
-
- do {
- if (i & 0x01) /* is bank enabled ? */
- memSize += (mear1 & 0xff) - (msar1 & 0xff) + 1;
- msar1 >>= 8;
- mear1 >>= 8;
- i >>= 1;
- } while (i);
-
- return (memSize * 0x100000);
-}
-
-/* ------------------------------------------------------------------------- */
-
-phys_size_t initdram (int board_type)
-{
- return dram_size (board_type);
-}
-
-/* ------------------------------------------------------------------------- */
-
-void after_reloc (ulong dest_addr)
-{
- /*
- * Jump to the main U-Boot board init code
- */
- board_init_r ((gd_t *) gd, dest_addr);
-}
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * do_reset is done here because in this case it is board specific, since the
- * 7xx CPUs can only be reset by external HW (the RTC in this case).
- */
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
-#if defined(CONFIG_RTC_MK48T59)
- /* trigger watchdog immediately */
- rtc_set_watchdog (1, RTC_WD_RB_16TH);
-#else
-#error "You must define the macro CONFIG_RTC_MK48T59."
-#endif
- return 0;
-}
-
-/* ------------------------------------------------------------------------- */
-
-#if defined(CONFIG_WATCHDOG)
-/*
- * Since the 7xx CPUs don't have an internal watchdog, this function is
- * board specific. We use the RTC here.
- */
-void watchdog_reset (void)
-{
-#if defined(CONFIG_RTC_MK48T59)
- /* we use a 32 sec watchdog timer */
- rtc_set_watchdog (8, RTC_WD_RB_4);
-#else
-#error "You must define the macro CONFIG_RTC_MK48T59."
-#endif
-}
-#endif /* CONFIG_WATCHDOG */
-
-/* ------------------------------------------------------------------------- */
-
-#ifdef CONFIG_CONSOLE_EXTRA_INFO
-extern GraphicDevice smi;
-
-void video_get_info_str (int line_number, char *info)
-{
- /* init video info strings for graphic console */
- switch (line_number) {
- case 1:
- sprintf (info, " MPC7xx V%d.%d at %ld / %ld MHz",
- (get_pvr () >> 8) & 0xFF,
- get_pvr () & 0xFF,
- bab7xx_get_gclk_freq () / 1000000,
- bab7xx_get_bus_freq () / 1000000);
- return;
- case 2:
- sprintf (info,
- " ELTEC BAB7xx with %ld MB DRAM and %ld MB FLASH",
- dram_size (0) / 0x100000, flash_init () / 0x100000);
- return;
- case 3:
- sprintf (info, " %s", smi.modeIdent);
- return;
- }
-
- /* no more info lines */
- *info = 0;
- return;
-}
-#endif
-
-/*---------------------------------------------------------------------------*/
-
-int board_eth_init(bd_t *bis)
-{
- return pci_eth_init(bis);
-}
+++ /dev/null
-/*
- * (C) Copyright 2002 ELTEC Elektronik AG
- * Frank Gottschling <fgottschling@eltec.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
- */
-
-/*
- * SRom I/O routines.
- */
-
-#include <common.h>
-#include <pci.h>
-#include "srom.h"
-
-#define SROM_RD 0x00004000 /* Read from Boot ROM */
-#define SROM_WR 0x00002000 /* Write to Boot ROM */
-#define SROM_SR 0x00000800 /* Select Serial ROM when set */
-
-#define DT_IN 0x00000004 /* Serial Data In */
-#define DT_CLK 0x00000002 /* Serial ROM Clock */
-#define DT_CS 0x00000001 /* Serial ROM Chip Select */
-
-static u_int dc_srom_iobase;
-
-/*----------------------------------------------------------------------------*/
-
-static int inl(u_long addr)
-{
- return le32_to_cpu(*(volatile u_long *)(addr));
-}
-
-/*----------------------------------------------------------------------------*/
-
-static void outl (int command, u_long addr)
-{
- *(volatile u_long *)(addr) = cpu_to_le32(command);
-}
-
-/*----------------------------------------------------------------------------*/
-
-static void sendto_srom(u_int command, u_long addr)
-{
- outl(command, addr);
- udelay(1);
-
- return;
-}
-
-/*----------------------------------------------------------------------------*/
-
-static int getfrom_srom(u_long addr)
-{
- s32 tmp;
-
- tmp = inl(addr);
- udelay(1);
-
- return tmp;
-}
-
-/*----------------------------------------------------------------------------*/
-
-static void srom_latch (u_int command, u_long addr)
-{
- sendto_srom (command, addr);
- sendto_srom (command | DT_CLK, addr);
- sendto_srom (command, addr);
-
- return;
-}
-
-/*----------------------------------------------------------------------------*/
-
-static void srom_command_rd (u_int command, u_long addr)
-{
- srom_latch (command, addr);
- srom_latch (command, addr);
- srom_latch ((command & 0x0000ff00) | DT_CS, addr);
-
- return;
-}
-
-/*----------------------------------------------------------------------------*/
-
-static void srom_command_wr (u_int command, u_long addr)
-{
- srom_latch (command, addr);
- srom_latch ((command & 0x0000ff00) | DT_CS, addr);
- srom_latch (command, addr);
-
- return;
-}
-
-/*----------------------------------------------------------------------------*/
-
-static void srom_address(u_int command, u_long addr, u_char offset)
-{
- int i;
- signed char a;
-
- a = (char)(offset << 2);
- for (i=0; i<6; i++, a <<= 1)
- {
- srom_latch(command | ((a < 0) ? DT_IN : 0), addr);
- }
- udelay(1);
-
- i = (getfrom_srom(addr) >> 3) & 0x01;
-
- return;
-}
-/*----------------------------------------------------------------------------*/
-
-static short srom_data_rd (u_int command, u_long addr)
-{
- int i;
- short word = 0;
- s32 tmp;
-
- for (i=0; i<16; i++)
- {
- sendto_srom(command | DT_CLK, addr);
- tmp = getfrom_srom(addr);
- sendto_srom(command, addr);
-
- word = (word << 1) | ((tmp >> 3) & 0x01);
- }
-
- sendto_srom(command & 0x0000ff00, addr);
-
- return word;
-}
-
-/*----------------------------------------------------------------------------*/
-
-static int srom_data_wr (u_int command, u_long addr, short val)
-{
- int i;
- u_long longVal;
- s32 tmp;
-
- longVal = (u_long)(le16_to_cpu(val));
-
- for (i=0; i<16; i++)
- {
- tmp = (longVal & 0x8000)>>13;
-
- sendto_srom (tmp | command, addr);
- sendto_srom (tmp | command | DT_CLK, addr);
- sendto_srom (tmp | command, addr);
-
- longVal = longVal<<1;
- }
-
- sendto_srom(command & 0x0000ff00, addr);
- sendto_srom(command, addr);
-
- tmp = 100;
- do
- {
- if ((getfrom_srom(dc_srom_iobase) & 0x8) == 0x8)
- break;
- udelay(1000);
- } while (--tmp);
-
- if (tmp == 0)
- {
- printf("Write DEC21143 SRom timed out !\n");
- return (-1);
- }
-
- return 0;
-}
-
-
-/*----------------------------------------------------------------------------*/
-static short srom_rd (u_long addr, u_char offset)
-{
- sendto_srom (SROM_RD | SROM_SR, addr);
- srom_latch (SROM_RD | SROM_SR | DT_CS, addr);
-
- srom_command_rd (SROM_RD | SROM_SR | DT_IN | DT_CS, addr);
-
- srom_address (SROM_RD | SROM_SR | DT_CS, addr, offset);
-
- return srom_data_rd (SROM_RD | SROM_SR | DT_CS, addr);
-}
-
-/*----------------------------------------------------------------------------*/
-
-static void srom_wr_enable (u_long addr)
-{
- int i;
-
- sendto_srom (SROM_WR | SROM_SR, addr);
- srom_latch (SROM_WR | SROM_SR | DT_CS, addr);
-
- srom_latch (SROM_WR | SROM_SR | DT_IN | DT_CS, addr);
- srom_latch (SROM_WR | SROM_SR | DT_CS, addr);
- srom_latch (SROM_WR | SROM_SR | DT_CS, addr);
-
- for (i=0; i<6; i++)
- {
- srom_latch (SROM_WR | SROM_SR | DT_IN | DT_CS, addr);
- }
-}
-
-/*----------------------------------------------------------------------------*/
-
-static int srom_wr (u_long addr, u_char offset, short val)
-{
- srom_wr_enable (addr);
-
- sendto_srom (SROM_WR | SROM_SR, addr);
- srom_latch (SROM_WR | SROM_SR | DT_CS, addr);
-
- srom_command_wr (SROM_WR | SROM_SR | DT_IN | DT_CS, addr);
-
- srom_address (SROM_WR | SROM_SR | DT_CS, addr, offset);
-
- return srom_data_wr (SROM_WR | SROM_SR | DT_CS, addr, val);
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- * load data from the srom
- */
-int dc_srom_load (u_short *dest)
-{
- int offset;
- short tmp;
-
- /* get srom iobase from local network controller */
- pci_read_config_dword(PCI_BDF(0,14,0), PCI_BASE_ADDRESS_1, &dc_srom_iobase);
- dc_srom_iobase &= PCI_BASE_ADDRESS_MEM_MASK;
- dc_srom_iobase = pci_mem_to_phys(PCI_BDF(0,14,0), dc_srom_iobase);
- dc_srom_iobase += 0x48; /* io offset for srom access */
-
- memset (dest, 0, 128);
- for (offset=0; offset<64; offset++)
- {
- tmp = srom_rd (dc_srom_iobase, offset);
- *dest++ = le16_to_cpu(tmp);
- }
-
- return (0);
-}
-
-/*----------------------------------------------------------------------------*/
-
-/*
- * store data into the srom
- */
-int dc_srom_store (u_short *src)
-{
- int offset;
-
- /* get srom iobase from local network controller */
- pci_read_config_dword(PCI_BDF(0,14,0), PCI_BASE_ADDRESS_1, &dc_srom_iobase);
- dc_srom_iobase &= PCI_BASE_ADDRESS_MEM_MASK;
- dc_srom_iobase = pci_mem_to_phys(PCI_BDF(0,14,0), dc_srom_iobase);
- dc_srom_iobase += 0x48; /* io offset for srom access */
-
- for (offset=0; offset<64; offset++)
- {
- if (srom_wr (dc_srom_iobase, offset, *src) == -1)
- return (-1);
- src++;
- }
-
- return (0);
-}
-
-/*----------------------------------------------------------------------------*/
+++ /dev/null
-/*
- * (C) Copyright 2002 ELTEC Elektronik AG
- * Frank Gottschling <fgottschling@eltec.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include "srom.h"
-
-/*----------------------------------------------------------------------------*/
-/*
- * START sequence
- * _ _________
- * SCLK _> \____
- * _ ____
- * SDIO _> \_________
- * : : :
- */
-static void eepStart (void)
-{
- out8(I2C_BUS_DAT, 0x60); /* SCLK = high SDIO = high */
- out8(I2C_BUS_DIR, 0x60); /* set output direction for SCLK/SDIO */
- udelay(10);
- out8(I2C_BUS_DAT, 0x40); /* SCLK = high SDIO = low */
- udelay(10);
- out8(I2C_BUS_DAT, 0x00); /* SCLK = low SDIO = low */
- udelay(10);
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- * STOP sequence
- * _______
- * SCLK _____/
- * _ ___
- * SDIO _>_______/
- * : : :
- */
-static void eepStop (void)
-{
- out8(I2C_BUS_DAT, 0x00); /* SCLK = low SDIO = low */
- out8(I2C_BUS_DIR, 0x60); /* set output direction for SCLK/SDIO */
- udelay(10);
- out8(I2C_BUS_DAT, 0x40); /* SCLK = high SDIO = low */
- udelay(10);
- out8(I2C_BUS_DAT, 0x60); /* SCLK = high SDIO = high */
- udelay(10);
- out8(I2C_BUS_DIR, 0x00); /* reset to input direction */
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- * Read one byte from EEPROM
- * ___ ___ ___ ___ ___ ___ ___ ___
- * SCLK ___/ \___/ \___/ \___/ \___/ \___/ \___/ \___/ \
- * _________________________________________________________________
- * SDIO > ^ ^ ^ ^ ^ ^ ^ ^
- * : : : : : : : : : : : : : : : : :
- */
-static unsigned char eepReadByte (void)
-{
- register unsigned char buf = 0x00;
- register int i;
-
- out8(I2C_BUS_DIR, 0x40);
-
- for (i = 0; i < 8; i++)
- {
- out8(I2C_BUS_DAT, 0x00); /* SCLK = low SDIO = high */
- udelay(10);
- out8(I2C_BUS_DAT, 0x40); /* SCLK = high SDIO = high */
- udelay(15);
- buf <<= 1;
- buf = (in8(I2C_BUS_DAT) & 0x20) ? (buf | 0x01) : (buf & 0xFE);
- out8(I2C_BUS_DAT, 0x00); /* SCLK = low SDIO = high */
- udelay(10);
- }
- return(buf);
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- * Write one byte to EEPROM
- * ___ ___ ___ ___ ___ ___ ___ ___
- * SCLK __/ \___/ \___/ \___/ \___/ \___/ \___/ \___/ \__
- * _______ _______ _______ _______ _______ _______ _______ ________
- * SDIO X_______X_______X_______X_______X_______X_______X_______X________
- * : 7 : 6 : 5 : 4 : 3 : 2 : 1 : 0
- */
-static void eepWriteByte (register unsigned char buf)
-{
- register int i;
-
- (buf & 0x80) ? out8(I2C_BUS_DAT, 0x20) : out8(I2C_BUS_DAT, 0x00); /* SCLK = low SDIO = data */
- out8(I2C_BUS_DIR, 0x60);
-
- for (i = 7; i >= 0; i--)
- {
- (buf & 0x80) ? out8(I2C_BUS_DAT, 0x20) : out8(I2C_BUS_DAT, 0x00); /* SCLK=low SDIO=data */
- udelay(10);
- (buf & 0x80) ? out8(I2C_BUS_DAT, 0x60) : out8(I2C_BUS_DAT, 0x40); /* SCLK=high SDIO=data */
- udelay(15);
- (buf & 0x80) ? out8(I2C_BUS_DAT, 0x20) : out8(I2C_BUS_DAT, 0x00); /* SCLK=low SDIO=data */
- udelay(10);
- buf <<= 1;
- }
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- * Read data acknowledge of EEPROM
- * _______
- * SCLK ____/ \___
- * _______________
- * SDIO >
- * : : ^ :
- */
-static int eepReadAck (void)
-{
- int retval;
-
- out8(I2C_BUS_DIR, 0x40);
- out8(I2C_BUS_DAT, 0x00); /* SCLK = low SDIO = high */
- udelay(10);
- out8(I2C_BUS_DAT, 0x40); /* SCLK = high SDIO = high */
- udelay(10);
- retval = (in8(I2C_BUS_DAT) & 0x20) ? ERROR : 0;
- udelay(10);
- out8(I2C_BUS_DAT, 0x00); /* SCLK = low SDIO = high */
- udelay(10);
-
- return(retval);
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- * Write data acknowledge to EEPROM
- * _______
- * SCLK ____/ \___
- *
- * SDIO >_______________
- * : : :
- */
-static void eepWriteAck (unsigned char ack)
-{
- ack ? out8(I2C_BUS_DAT, 0x20) : out8(I2C_BUS_DAT, 0x00); /* SCLK = low SDIO = ack */
- out8(I2C_BUS_DIR, 0x60);
- udelay(10);
- ack ? out8(I2C_BUS_DAT, 0x60) : out8(I2C_BUS_DAT, 0x40); /* SCLK = high SDIO = ack */
- udelay(15);
- ack ? out8(I2C_BUS_DAT, 0x20) : out8(I2C_BUS_DAT, 0x00); /* SCLK = low SDIO = ack */
- udelay(10);
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- * Read bytes from EEPROM
- */
-int el_srom_load (addr, buf, cnt, device, block)
-unsigned char addr;
-unsigned char *buf;
-int cnt;
-unsigned char device;
-unsigned char block;
-{
- register int i;
-
- for (i=0;i<cnt;i++)
- {
- eepStart();
- eepWriteByte(0xA0 | device | block);
- if (eepReadAck() == ERROR)
- {
- eepStop();
- return(ERROR);
- }
- eepWriteByte(addr++);
- if (eepReadAck() == ERROR)
- {
- eepStop();
- return(ERROR);
- }
- eepStart();
-
- eepWriteByte(0xA1 | device | block);
- if (eepReadAck() == ERROR)
- {
- eepStop();
- return(ERROR);
- }
-
- *buf++ = eepReadByte();
- eepWriteAck(1);
- eepStop();
-
- if ((addr == 0) && (i != (cnt-1))) /* is it the same block ? */
- {
- if (block == FIRST_BLOCK)
- block = SECOND_BLOCK;
- else
- return(ERROR);
- }
- }
- return(cnt);
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- *
- * Write bytes to EEPROM
- *
- */
-int el_srom_store (addr, buf, cnt, device, block)
-unsigned char addr, *buf, device, block;
-int cnt;
-{
- register int i, retVal;
-
- for (i=0;i<cnt;i++)
- {
- retVal = ERROR;
- do
- {
- eepStart();
- eepWriteByte(0xA0 | device | block);
- if ((retVal = eepReadAck()) == ERROR)
- eepStop();
- } while (retVal == ERROR);
-
- eepWriteByte(addr++);
- if (eepReadAck() == ERROR) return(ERROR);
-
- if ((addr == 0) && (i != (cnt-1))) /* is it the same block ? */
- {
- if (block == FIRST_BLOCK)
- block = SECOND_BLOCK;
- else
- return(ERROR);
- }
-
- eepWriteByte(*buf++);
- if (eepReadAck() == ERROR)
- return(ERROR);
-
- eepStop();
- }
- return(cnt);
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- * calculate checksum for ELTEC revision srom
- */
-unsigned long el_srom_checksum (ptr, size)
-register unsigned char *ptr;
-unsigned long size;
-{
- u_long f, accu = 0;
- u_int i;
- u_char byte;
-
- for (; size; size--)
- {
- byte = *ptr++;
- for (i = 8; i; i--)
- {
- f = ((byte & 1) ^ (accu & 1)) ? 0x84083001 : 0;
- accu >>= 1; accu ^= f;
- byte >>= 1;
- }
- }
- return(accu);
-}
-
-/*----------------------------------------------------------------------------*/
+++ /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
- */
-
-/*
- * 07-10-2002 Frank Gottschling: added 29F032 flash (ELPPC).
- * fixed monitor protection part
- *
- * 09-18-2001 Andreas Heppel: Reduced the code in here to the usage
- * of AMD's 29F040 and 29F016 flashes, since the BAB7xx does use
- * any other.
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <asm/pci_io.h>
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
-
-ulong flash_get_size (vu_long *addr, flash_info_t *info);
-static int write_word (flash_info_t *info, ulong dest, ulong data);
-
-/*flash command address offsets*/
-
-#define ADDR0 (0x555)
-#define ADDR1 (0x2AA)
-#define ADDR3 (0x001)
-
-#define FLASH_WORD_SIZE unsigned char
-
-/*----------------------------------------------------------------------------*/
-
-unsigned long flash_init (void)
-{
- unsigned long size1, size2;
- int i;
-
- /* Init: no FLASHes known */
- for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i)
- {
- flash_info[i].flash_id = FLASH_UNKNOWN;
- }
-
- /* initialise 1st flash */
- size1 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
-
- if (flash_info[0].flash_id == FLASH_UNKNOWN)
- {
- printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
- size1, size1<<20);
- }
-
- /* initialise 2nd flash */
- size2 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]);
-
- if (flash_info[1].flash_id == FLASH_UNKNOWN)
- {
- printf ("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n",
- size2, size2<<20);
- }
-
- /* monitor protection ON by default */
- if (size1 == 512*1024)
- {
- (void)flash_protect(FLAG_PROTECT_SET,
- FLASH_BASE0_PRELIM,
- FLASH_BASE0_PRELIM+monitor_flash_len-1,
- &flash_info[0]);
- }
- if (size2 == 512*1024)
- {
- (void)flash_protect(FLAG_PROTECT_SET,
- FLASH_BASE1_PRELIM,
- FLASH_BASE1_PRELIM+monitor_flash_len-1,
- &flash_info[1]);
- }
- if (size2 == 4*1024*1024)
- {
- (void)flash_protect(FLAG_PROTECT_SET,
- CONFIG_SYS_FLASH_BASE,
- CONFIG_SYS_FLASH_BASE+monitor_flash_len-1,
- &flash_info[1]);
- }
-
- return (size1 + size2);
-}
-
-/*----------------------------------------------------------------------------*/
-
-void flash_print_info (flash_info_t *info)
-{
- int i;
- int k;
- int size;
- int erased;
- volatile unsigned long *flash;
-
- if (info->flash_id == FLASH_UNKNOWN) {
- printf ("missing or unknown FLASH type\n");
- flash_init();
- }
-
- if (info->flash_id == FLASH_UNKNOWN) {
- printf ("missing or unknown FLASH type\n");
- return;
- }
-
- switch (info->flash_id & FLASH_VENDMASK) {
- case FLASH_MAN_AMD:
- printf ("AMD ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- case AMD_ID_F040B:
- printf ("AM29F040B (4 Mbit)\n");
- break;
- case AMD_ID_F016D:
- printf ("AM29F016D (16 Mbit)\n");
- break;
- case AMD_ID_F032B:
- printf ("AM29F032B (32 Mbit)\n");
- break;
- default:
- printf ("Unknown Chip Type\n");
- break;
- }
-
- if (info->size >= (1 << 20)) {
- printf (" Size: %ld MB in %d Sectors\n", info->size >> 20, info->sector_count);
- } else {
- printf (" Size: %ld kB in %d Sectors\n", info->size >> 10, info->sector_count);
- }
-
- printf (" Sector Start Addresses:");
- for (i=0; i<info->sector_count; ++i) {
- /*
- * Check if whole sector is erased
- */
- if (i != (info->sector_count-1))
- size = info->start[i+1] - info->start[i];
- else
- size = info->start[0] + info->size - info->start[i];
-
- erased = 1;
- flash = (volatile unsigned long *)info->start[i];
- size = size >> 2; /* divide by 4 for longword access */
- for (k=0; k<size; k++) {
- if (*flash++ != 0xffffffff) {
- erased = 0;
- break;
- }
- }
-
- if ((i % 5) == 0)
- printf ("\n ");
-
- printf (" %08lX%s%s",
- info->start[i],
- erased ? " E" : " ",
- info->protect[i] ? "RO " : " ");
- }
- printf ("\n");
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- * The following code cannot be run from FLASH!
- */
-ulong flash_get_size (vu_long *addr, flash_info_t *info)
-{
- short i;
- ulong vendor, devid;
- ulong base = (ulong)addr;
- volatile unsigned char *caddr = (unsigned char *)addr;
-
-#ifdef DEBUG
- printf("flash_get_size for address 0x%lx: \n", (unsigned long)caddr);
-#endif
-
- /* Write auto select command: read Manufacturer ID */
- caddr[0] = 0xF0; /* reset bank */
- udelay(10);
-
- eieio();
- caddr[0x555] = 0xAA;
- udelay(10);
- caddr[0x2AA] = 0x55;
- udelay(10);
- caddr[0x555] = 0x90;
-
- udelay(10);
-
- vendor = caddr[0];
- devid = caddr[1];
-
-#ifdef DEBUG
- printf("Manufacturer: 0x%lx\n", vendor);
-#endif
-
- vendor &= 0xff;
- devid &= 0xff;
-
- /* We accept only two AMD types */
- switch (vendor) {
- case (FLASH_WORD_SIZE)AMD_MANUFACT:
- info->flash_id = FLASH_MAN_AMD;
- break;
- default:
- info->flash_id = FLASH_UNKNOWN;
- info->sector_count = 0;
- info->size = 0;
- return (0); /* no or unknown flash */
- }
-
- switch (devid) {
- case (FLASH_WORD_SIZE)AMD_ID_F040B:
- info->flash_id |= AMD_ID_F040B;
- info->sector_count = 8;
- info->size = 0x00080000;
- break; /* => 0.5 MB */
-
- case (FLASH_WORD_SIZE)AMD_ID_F016D:
- info->flash_id |= AMD_ID_F016D;
- info->sector_count = 32;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case (FLASH_WORD_SIZE)AMD_ID_F032B:
- info->flash_id |= AMD_ID_F032B;
- info->sector_count = 64;
- info->size = 0x00400000;
- break; /* => 4 MB */
-
- default:
- info->flash_id = FLASH_UNKNOWN;
- return (0); /* => no or unknown flash */
-
- }
-
-#ifdef DEBUG
- printf("flash id 0x%lx; sector count 0x%x, size 0x%lx\n", info->flash_id, info->sector_count, info->size);
-#endif
-
- /* check for protected sectors */
- for (i = 0; i < info->sector_count; i++) {
- /* sector base address */
- info->start[i] = base + i * (info->size / info->sector_count);
- /* read sector protection at sector address, (A7 .. A0) = 0x02 */
- /* D0 = 1 if protected */
- caddr = (volatile unsigned char *)(info->start[i]);
- info->protect[i] = caddr[2] & 1;
- }
-
- /*
- * Prevent writes to uninitialized FLASH.
- */
- if (info->flash_id != FLASH_UNKNOWN) {
- caddr = (volatile unsigned char *)info->start[0];
- caddr[0] = 0xF0; /* reset bank */
- }
-
- return (info->size);
-}
-
-/*----------------------------------------------------------------------------*/
-
-int flash_erase (flash_info_t *info, int s_first, int s_last)
-{
- volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
- int flag, prot, sect, l_sect;
- ulong start, now, last;
- int rc = 0;
-
- if ((s_first < 0) || (s_first > s_last)) {
- if (info->flash_id == FLASH_UNKNOWN) {
- printf ("- missing\n");
- } else {
- printf ("- no sectors to erase\n");
- }
- return 1;
- }
-
- if ((info->flash_id == FLASH_UNKNOWN) ||
- (info->flash_id > FLASH_AMD_COMP)) {
- printf ("Can't erase unknown flash type - aborted\n");
- return 1;
- }
-
- prot = 0;
- for (sect=s_first; sect<=s_last; ++sect) {
- if (info->protect[sect]) {
- prot++;
- }
- }
-
- if (prot) {
- printf ("- Warning: %d protected sectors will not be erased!\n",
- prot);
- } else {
- printf ("\n");
- }
-
- l_sect = -1;
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
- addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
- addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect<=s_last; sect++) {
- if (info->protect[sect] == 0) { /* not protected */
- addr = (FLASH_WORD_SIZE *)(info->start[sect]);
- if (info->flash_id & FLASH_MAN_SST) {
- addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
- addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
- addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
- addr[0] = (FLASH_WORD_SIZE)0x00500050; /* block erase */
- udelay(30000); /* wait 30 ms */
- }
- else
- addr[0] = (FLASH_WORD_SIZE)0x00300030; /* sector erase */
- l_sect = sect;
- }
- }
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- /* wait at least 80us - let's wait 1 ms */
- udelay (1000);
-
- /*
- * We wait for the last triggered sector
- */
- if (l_sect < 0)
- goto DONE;
-
- start = get_timer (0);
- last = start;
- addr = (FLASH_WORD_SIZE *)(info->start[l_sect]);
- while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
- if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf ("Timeout\n");
- return 1;
- }
- /* show that we're waiting */
- if ((now - last) > 1000) { /* every second */
- serial_putc ('.');
- last = now;
- }
- }
-
-DONE:
- /* reset to read mode */
- addr = (FLASH_WORD_SIZE *)info->start[0];
- addr[0] = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
-
- printf (" done\n");
- return rc;
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-{
- ulong cp, wp, data;
- int i, l, rc;
-
- wp = (addr & ~3); /* get lower word aligned address */
-
- /*
- * handle unaligned start bytes
- */
- if ((l = addr - wp) != 0) {
- data = 0;
- for (i=0, cp=wp; i<l; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
- for (; i<4 && cnt>0; ++i) {
- data = (data << 8) | *src++;
- --cnt;
- ++cp;
- }
- for (; cnt==0 && i<4; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
-
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
- wp += 4;
- }
-
- /*
- * handle word aligned part
- */
- while (cnt >= 4) {
- data = 0;
- for (i=0; i<4; ++i) {
- data = (data << 8) | *src++;
- }
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
- wp += 4;
- cnt -= 4;
- }
-
- if (cnt == 0) {
- return (0);
- }
-
- /*
- * handle unaligned tail bytes
- */
- data = 0;
- for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
- data = (data << 8) | *src++;
- --cnt;
- }
- for (; i<4; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
-
- return (write_word(info, wp, data));
-}
-
-/*----------------------------------------------------------------------------*/
-/* Write a word to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_word (flash_info_t *info, ulong dest, ulong data)
-{
- volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)(info->start[0]);
- volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *)dest;
- volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *)&data;
- ulong start;
- int flag;
- int i;
-
- /* Check if Flash is (sufficiently) erased */
- if ((*((volatile FLASH_WORD_SIZE *)dest) &
- (FLASH_WORD_SIZE)data) != (FLASH_WORD_SIZE)data) {
- return (2);
- }
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- for (i=0; i<4/sizeof(FLASH_WORD_SIZE); i++)
- {
- addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
- addr2[ADDR0] = (FLASH_WORD_SIZE)0x00A000A0;
-
- dest2[i] = data2[i];
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- /* data polling for D7 */
- start = get_timer (0);
- while ((dest2[i] & (FLASH_WORD_SIZE)0x00800080) !=
- (data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- return (1);
- }
- }
- }
-
- return (0);
-}
-
-/*----------------------------------------------------------------------------*/
+++ /dev/null
-/*
- * (C) Copyright 2002 ELTEC Elektronik AG
- * Frank Gottschling <fgottschling@eltec.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-
-#if defined(CONFIG_SYS_L2_BAB7xx)
-
-#include <pci.h>
-#include <mpc106.h>
-#include <asm/processor.h>
-
-/* defines L2CR register for MPC750 */
-
-#define L2CR_E 0x80000000
-#define L2CR_256K 0x10000000
-#define L2CR_512K 0x20000000
-#define L2CR_1024K 0x30000000
-#define L2CR_I 0x00200000
-#define L2CR_SL 0x00008000
-#define L2CR_IP 0x00000001
-
-/*----------------------------------------------------------------------------*/
-
-static int dummy (int dummy)
-{
- return (dummy+1);
-}
-
-/*----------------------------------------------------------------------------*/
-
-int l2_cache_enable (int l2control)
-{
- if (l2control) /* BAB750 */
- {
- mtspr(SPRN_L2CR, l2control);
- mtspr(SPRN_L2CR, (l2control | L2CR_I));
- while (mfspr(SPRN_L2CR) & L2CR_IP)
- ;
- mtspr(SPRN_L2CR, (l2control | L2CR_E));
- return (0);
- }
- else /* BAB740 */
- {
- int picr1, picr2, mask;
- int picr2CacheSize, cacheSize;
- int *d;
- int devbusfn;
- u32 reg32;
-
- devbusfn = pci_find_device(PCI_VENDOR_ID_MOTOROLA,
- PCI_DEVICE_ID_MOTOROLA_MPC106, 0);
- if (devbusfn == -1)
- return (-1);
-
- pci_read_config_dword (devbusfn, PCI_PICR2, ®32);
- reg32 &= ~PICR2_L2_EN;
- pci_write_config_dword (devbusfn, PCI_PICR2, reg32);
-
- /* cache size */
- if (*(volatile unsigned char *) (CONFIG_SYS_ISA_IO + 0x220) & 0x04)
- {
- /* cache size is 512 KB */
- picr2CacheSize = PICR2_L2_SIZE_512K;
- cacheSize = 0x80000;
- }
- else
- {
- /* cache size is 256 KB */
- picr2CacheSize = PICR2_L2_SIZE_256K;
- cacheSize = 0x40000;
- }
-
- /* setup PICR1 */
- mask =
- ~(PICR1_CF_BREAD_WS(1) |
- PICR1_CF_BREAD_WS(2) |
- PICR1_CF_CBA(0xff) |
- PICR1_CF_CACHE_1G |
- PICR1_CF_DPARK |
- PICR1_CF_APARK |
- PICR1_CF_L2_CACHE_MASK);
-
- picr1 =
- (PICR1_CF_CBA(0x3f) |
- PICR1_CF_CACHE_1G |
- PICR1_CF_APARK |
- PICR1_CF_DPARK |
- PICR1_CF_L2_COPY_BACK); /* PICR1_CF_L2_WRITE_THROUGH */
-
- pci_read_config_dword (devbusfn, PCI_PICR1, ®32);
- reg32 &= mask;
- reg32 |= picr1;
- pci_write_config_dword (devbusfn, PCI_PICR1, reg32);
-
- /*
- * invalidate all L2 cache
- */
- picr2 =
- (PICR2_CF_INV_MODE |
- PICR2_CF_HIT_HIGH |
- PICR2_CF_MOD_HIGH |
- PICR2_CF_L2_HIT_DELAY(1) |
- PICR2_CF_APHASE_WS(1) |
- picr2CacheSize);
-
- pci_write_config_dword (devbusfn, PCI_PICR2, picr2);
-
- /*
- * dummy transactions
- */
- for (d=0; d<(int *)(2*cacheSize); d++)
- dummy(*d);
-
- pci_write_config_dword (devbusfn, PCI_PICR2,
- (picr2 | PICR2_CF_FLUSH_L2));
-
- /* setup PICR2 */
- picr2 =
- (PICR2_CF_FAST_CASTOUT |
- PICR2_CF_WDATA |
- PICR2_CF_ADDR_ONLY_DISABLE |
- PICR2_CF_HIT_HIGH |
- PICR2_CF_MOD_HIGH |
- PICR2_L2_UPDATE_EN |
- PICR2_L2_EN |
- PICR2_CF_APHASE_WS(1) |
- PICR2_CF_DATA_RAM_PBURST |
- PICR2_CF_L2_HIT_DELAY(1) |
- PICR2_CF_SNOOP_WS(2) |
- picr2CacheSize);
-
- pci_write_config_dword (devbusfn, PCI_PICR2, picr2);
- }
- return (0);
-}
-
-/*----------------------------------------------------------------------------*/
-
-#endif /* (CONFIG_SYS_L2_BAB7xx) */
+++ /dev/null
-/*
- * (C) Copyright 2002 ELTEC Elektronik AG
- * Frank Gottschling <fgottschling@eltec.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
- */
-
-/* includes */
-#include <common.h>
-#include <linux/ctype.h>
-#include <pci.h>
-#include <net.h>
-#include <mpc106.h>
-#include <w83c553f.h>
-#include "srom.h"
-
-/* imports */
-extern int l2_cache_enable (int l2control);
-extern void *nvram_read (void *dest, const short src, size_t count);
-extern void nvram_write (short dest, const void *src, size_t count);
-
-/* globals */
-unsigned int ata_reset_time = 60;
-unsigned int scsi_reset_time = 10;
-unsigned int eltec_board;
-
-/* BAB750 uses SYM53C875(default) and BAB740 uses SYM53C860
- * values fixed after board identification
- */
-unsigned short scsi_dev_id = PCI_DEVICE_ID_NCR_53C875;
-unsigned int scsi_max_scsi_id = 15;
-unsigned char scsi_sym53c8xx_ccf = 0x13;
-
-/*----------------------------------------------------------------------------*/
-/*
- * handle sroms on BAB740/750
- * fix ether address
- * L2 cache initialization
- * ide dma control
- */
-int misc_init_r (void)
-{
- revinfo eerev;
- char *ptr;
- u_int i, l, initSrom, copyNv;
- char buf[256];
- char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0,
- 0, 0, 0, 0, 10, 11, 12, 13, 14, 15 };
- pci_dev_t bdf;
-
- char sromSYM[] = {
-#ifdef TULIP_BUG
- /* 10BaseT, 100BaseTx no full duplex modes */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x08,
- 0x02, 0x86, 0x02, 0x00, 0xaf, 0x08, 0xa5, 0x00,
- 0x88, 0x04, 0x03, 0x27, 0x08, 0x25, 0x00, 0x61,
- 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xe8
-#endif
- /* 10BaseT, 10BaseT-FD, 100BaseTx, 100BaseTx-FD */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x08,
- 0x04, 0x86, 0x02, 0x00, 0xaf, 0x08, 0xa5, 0x00,
- 0x86, 0x02, 0x04, 0xaf, 0x08, 0xa5, 0x00, 0x88,
- 0x04, 0x03, 0x27, 0x08, 0x25, 0x00, 0x61, 0x80,
- 0x88, 0x04, 0x05, 0x27, 0x08, 0x25, 0x00, 0x61,
- 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x77
- };
-
- char sromMII[] = {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x5b, 0x00,
- 0x2e, 0x4d, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x08,
- 0x01, 0x95, 0x03, 0x00, 0x00, 0x04, 0x01, 0x08,
- 0x00, 0x00, 0x02, 0x08, 0x02, 0x00, 0x00, 0x78,
- 0xe0, 0x01, 0x00, 0x50, 0x00, 0x18, 0x80, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0x41
- };
-
- /*
- * Check/Remake revision info
- */
- initSrom = 0;
- copyNv = 0;
-
- /* read out current revision srom contens */
- el_srom_load (0x0000, (u_char*)&eerev, sizeof(revinfo),
- SECOND_DEVICE, FIRST_BLOCK);
-
- /* read out current nvram shadow image */
- nvram_read (buf, CONFIG_SYS_NV_SROM_COPY_ADDR, CONFIG_SYS_SROM_SIZE);
-
- if (strcmp (eerev.magic, "ELTEC") != 0)
- {
- /* srom is not initialized -> create a default revision info */
- for (i = 0, ptr = (char *)&eerev; i < sizeof(revinfo); i++)
- *ptr++ = 0x00;
- strcpy(eerev.magic, "ELTEC");
- eerev.revrev[0] = 1;
- eerev.revrev[1] = 0;
- eerev.size = 0x00E0;
- eerev.category[0] = 0x01;
-
- /* node id from dead e128 as default */
- eerev.etheraddr[0] = 0x00;
- eerev.etheraddr[1] = 0x00;
- eerev.etheraddr[2] = 0x5B;
- eerev.etheraddr[3] = 0x00;
- eerev.etheraddr[4] = 0x2E;
- eerev.etheraddr[5] = 0x4D;
-
- /* cache config word for bab750 */
- *(int*)&eerev.res[0] = CLK2P0TO1_1MB_PB_0P5DH;
-
- initSrom = 1; /* force dialog */
- copyNv = 1; /* copy to nvram */
- }
-
- if ((copyNv == 0) && (el_srom_checksum((u_char*)&eerev, CONFIG_SYS_SROM_SIZE) !=
- el_srom_checksum((u_char*)buf, CONFIG_SYS_SROM_SIZE)))
- {
- printf ("Invalid revision info copy in nvram !\n");
- printf ("Press key:\n <c> to copy current revision info to nvram.\n");
- printf (" <r> to reenter revision info.\n");
- printf ("=> ");
- if (0 != readline (NULL))
- {
- switch ((char)toupper(console_buffer[0]))
- {
- case 'C':
- copyNv = 1;
- break;
- case 'R':
- copyNv = 1;
- initSrom = 1;
- break;
- }
- }
- }
-
- if (initSrom)
- {
- memcpy (buf, &eerev.revision[0][0], 14); /* save all revision info */
- printf ("Enter revision number (0-9): %c ", eerev.revision[0][0]);
- if (0 != readline (NULL))
- {
- eerev.revision[0][0] = (char)toupper(console_buffer[0]);
- memcpy (&eerev.revision[1][0], buf, 12); /* shift rest of rev info */
- }
-
- printf ("Enter revision character (A-Z): %c ", eerev.revision[0][1]);
- if (1 == readline (NULL))
- {
- eerev.revision[0][1] = (char)toupper(console_buffer[0]);
- }
-
- printf ("Enter board name (V-XXXX-XXXX): %s ", (char *)&eerev.board);
- if (11 == readline (NULL))
- {
- for (i=0; i<11; i++)
- eerev.board[i] = (char)toupper(console_buffer[i]);
- eerev.board[11] = '\0';
- }
-
- printf ("Enter serial number: %s ", (char *)&eerev.serial );
- if (6 == readline (NULL))
- {
- for (i=0; i<6; i++)
- eerev.serial[i] = console_buffer[i];
- eerev.serial[6] = '\0';
- }
-
- printf ("Enter ether node ID with leading zero (HEX): %02x%02x%02x%02x%02x%02x ",
- eerev.etheraddr[0], eerev.etheraddr[1],
- eerev.etheraddr[2], eerev.etheraddr[3],
- eerev.etheraddr[4], eerev.etheraddr[5]);
- if (12 == readline (NULL))
- {
- for (i=0; i<12; i+=2)
- eerev.etheraddr[i>>1] = (char)(16*hex[toupper(console_buffer[i])-'0'] +
- hex[toupper(console_buffer[i+1])-'0']);
- }
-
- l = strlen ((char *)&eerev.text);
- printf("Add to text section (max 64 chr): %s ", (char *)&eerev.text );
- if (0 != readline (NULL))
- {
- for (i = l; i<63; i++)
- eerev.text[i] = console_buffer[i-l];
- eerev.text[63] = '\0';
- }
-
- if (strstr ((char *)&eerev.board, "75") != NULL)
- eltec_board = 750;
- else
- eltec_board = 740;
-
- if (eltec_board == 750)
- {
- if (CPU_TYPE == CPU_TYPE_750)
- *(int*)&eerev.res[0] = CLK2P0TO1_1MB_PB_0P5DH;
- else
- *(int*)&eerev.res[0] = CLK2P5TO1_1MB_PB_0P5DH;
-
- printf("Enter L2Cache config word with leading zero (HEX): %08X ",
- *(int*)&eerev.res[0] );
- if (0 != readline (NULL))
- {
- for (i=0; i<7; i+=2)
- {
- eerev.res[i>>1] =
- (char)(16*hex[toupper(console_buffer[i])-'0'] +
- hex[toupper(console_buffer[i+1])-'0']);
- }
- }
-
- /* prepare network eeprom */
- sromMII[20] = eerev.etheraddr[0];
- sromMII[21] = eerev.etheraddr[1];
- sromMII[22] = eerev.etheraddr[2];
- sromMII[23] = eerev.etheraddr[3];
- sromMII[24] = eerev.etheraddr[4];
- sromMII[25] = eerev.etheraddr[5];
- printf("\nSRom: Writing DEC21143 MII info .. ");
-
- if (dc_srom_store ((u_short *)sromMII) == -1)
- printf("FAILED\n");
- else
- printf("OK\n");
- }
-
- if (eltec_board == 740)
- {
- *(int *)&eerev.res[0] = 0;
- sromSYM[20] = eerev.etheraddr[0];
- sromSYM[21] = eerev.etheraddr[1];
- sromSYM[22] = eerev.etheraddr[2];
- sromSYM[23] = eerev.etheraddr[3];
- sromSYM[24] = eerev.etheraddr[4];
- sromSYM[25] = eerev.etheraddr[5];
- printf("\nSRom: Writing DEC21143 SYM info .. ");
-
- if (dc_srom_store ((u_short *)sromSYM) == -1)
- printf("FAILED\n");
- else
- printf("OK\n");
- }
-
- /* update CRC */
- eerev.crc = el_srom_checksum((u_char *)eerev.board, eerev.size);
-
- /* write new values */
- printf("\nSRom: Writing revision info ...... ");
- if (el_srom_store((BLOCK_SIZE-sizeof(revinfo)), (u_char *)&eerev,
- sizeof(revinfo), SECOND_DEVICE, FIRST_BLOCK) == -1)
- printf("FAILED\n\n");
- else
- printf("OK\n\n");
-
- /* write new values as shadow image to nvram */
- nvram_write (CONFIG_SYS_NV_SROM_COPY_ADDR, (void *)&eerev, CONFIG_SYS_SROM_SIZE);
-
- } /*if (initSrom) */
-
- /* copy current values as shadow image to nvram */
- if (initSrom == 0 && copyNv == 1)
- nvram_write (CONFIG_SYS_NV_SROM_COPY_ADDR, (void *)&eerev, CONFIG_SYS_SROM_SIZE);
-
- /* update environment */
- sprintf (buf, "%02x:%02x:%02x:%02x:%02x:%02x",
- eerev.etheraddr[0], eerev.etheraddr[1],
- eerev.etheraddr[2], eerev.etheraddr[3],
- eerev.etheraddr[4], eerev.etheraddr[5]);
- setenv ("ethaddr", buf);
-
- /* print actual board identification */
- printf("Ident: %s Ser %s Rev %c%c\n",
- eerev.board, (char *)&eerev.serial,
- eerev.revision[0][0], eerev.revision[0][1]);
-
- /* global board ident */
- if (strstr ((char *)&eerev.board, "75") != NULL)
- eltec_board = 750;
- else
- eltec_board = 740;
-
- /*
- * L2 cache configuration
- */
-#if defined(CONFIG_SYS_L2_BAB7xx)
- ptr = getenv("l2cache");
- if (*ptr == '0')
- {
- printf ("Cache: L2 NOT activated on BAB%d\n", eltec_board);
- }
- else
- {
- printf ("Cache: L2 activated on BAB%d\n", eltec_board);
- l2_cache_enable(*(int*)&eerev.res[0]);
- }
-#endif
-
- /*
- * Reconfig ata reset timeout from environment
- */
- if ((ptr = getenv ("ata_reset_time")) != NULL)
- {
- ata_reset_time = (int)simple_strtoul (ptr, NULL, 10);
- }
- else
- {
- sprintf (buf, "%d", ata_reset_time);
- setenv ("ata_reset_time", buf);
- }
-
- /*
- * Reconfig scsi reset timeout from environment
- */
- if ((ptr = getenv ("scsi_reset_time")) != NULL)
- {
- scsi_reset_time = (int)simple_strtoul (ptr, NULL, 10);
- }
- else
- {
- sprintf (buf, "%d", scsi_reset_time);
- setenv ("scsi_reset_time", buf);
- }
-
-
- if ((bdf = pci_find_device(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_83C553, 0)) > 0)
- {
- if (pci_find_device(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C860, 0) > 0)
- {
- /* BAB740 with SCSI=IRQ 11; SCC=IRQ 9; no IDE; NCR860 at 80 MHz */
- scsi_dev_id = PCI_DEVICE_ID_NCR_53C860;
- scsi_max_scsi_id = 7;
- scsi_sym53c8xx_ccf = 0x15;
- pci_write_config_byte (bdf, WINBOND_IDEIRCR, 0xb0);
- }
-
- if ((ptr = getenv ("ide_dma_off")) != NULL)
- {
- u_long dma_off = simple_strtoul (ptr, NULL, 10);
- /*
- * setup user defined registers
- * s.a. linux/drivers/ide/sl82c105.c
- */
- bdf |= PCI_BDF(0,0,1); /* ide user reg at bdf function 1 */
- if (dma_off & 1)
- {
- pci_write_config_byte (bdf, 0x46, 1);
- printf("IDE: DMA off flag set: Bus 0 : Dev 0\n");
- }
- if (dma_off & 2)
- {
- pci_write_config_byte (bdf, 0x4a, 1);
- printf("IDE: DMA off flag set: Bus 0 : Dev 1\n");
- }
- if (dma_off & 4)
- {
- pci_write_config_byte (bdf, 0x4e, 1);
- printf("IDE: DMA off flag set: Bus 1 : Dev 0\n");
- }
- if (dma_off & 8)
- {
- pci_write_config_byte (bdf, 0x52, 1);
- printf("IDE: DMA off flag set: Bus 1 : Dev 1\n");
- }
- }
- }
- return (0);
-}
-
-/*----------------------------------------------------------------------------*/
-/*
- * BAB740 uses KENDIN KS8761 modem chip with not common setup values
- */
-#ifdef CONFIG_TULIP_SELECT_MEDIA
-
-/* Register bits.
- */
-#define BMR_SWR 0x00000001 /* Software Reset */
-#define STS_TS 0x00700000 /* Transmit Process State */
-#define STS_RS 0x000e0000 /* Receive Process State */
-#define OMR_ST 0x00002000 /* Start/Stop Transmission Command */
-#define OMR_SR 0x00000002 /* Start/Stop Receive */
-#define OMR_PS 0x00040000 /* Port Select */
-#define OMR_SDP 0x02000000 /* SD Polarity - MUST BE ASSERTED */
-#define OMR_PM 0x00000080 /* Pass All Multicast */
-#define OMR_PR 0x00000040 /* Promiscuous Mode */
-#define OMR_PCS 0x00800000 /* PCS Function */
-#define OMR_TTM 0x00400000 /* Transmit Threshold Mode */
-
-/* Ethernet chip registers.
- */
-#define DE4X5_BMR 0x000 /* Bus Mode Register */
-#define DE4X5_TPD 0x008 /* Transmit Poll Demand Reg */
-#define DE4X5_RRBA 0x018 /* RX Ring Base Address Reg */
-#define DE4X5_TRBA 0x020 /* TX Ring Base Address Reg */
-#define DE4X5_STS 0x028 /* Status Register */
-#define DE4X5_OMR 0x030 /* Operation Mode Register */
-#define DE4X5_SISR 0x060 /* SIA Status Register */
-#define DE4X5_SICR 0x068 /* SIA Connectivity Register */
-#define DE4X5_TXRX 0x070 /* SIA Transmit and Receive Register */
-#define DE4X5_GPPR 0x078 /* General Purpose Port register */
-#define DE4X5_APROM 0x048 /* Ethernet Address PROM */
-
-/*----------------------------------------------------------------------------*/
-
-static int INL(struct eth_device* dev, u_long addr)
-{
- return le32_to_cpu(*(volatile u_long *)(addr + dev->iobase));
-}
-
-/*----------------------------------------------------------------------------*/
-
-static void OUTL(struct eth_device* dev, int command, u_long addr)
-{
- *(volatile u_long *)(addr + dev->iobase) = cpu_to_le32(command);
-}
-
-/*----------------------------------------------------------------------------*/
-
-static void media_reg_init (
- struct eth_device* dev,
- u32 csr14,
- u32 csr15_dir,
- u32 csr15_v0,
- u32 csr15_v1,
- u32 csr6 )
-{
- OUTL(dev, 0, DE4X5_OMR); /* CSR6 */
- udelay(10 * 1000);
- OUTL(dev, 0, DE4X5_SICR); /* CSR13 */
- OUTL(dev, 1, DE4X5_SICR); /* CSR13 */
- udelay(10 * 1000);
- OUTL(dev, csr14, DE4X5_TXRX); /* CSR14 */
- OUTL(dev, csr15_dir, DE4X5_GPPR); /* CSR15 */
- OUTL(dev, csr15_v0, DE4X5_GPPR); /* CSR15 */
- udelay(10 * 1000);
- OUTL(dev, csr15_v1, DE4X5_GPPR); /* CSR15 */
- OUTL(dev, 0x00000301, DE4X5_SISR); /* CSR12 */
- OUTL(dev, csr6, DE4X5_OMR); /* CSR6 */
-}
-
-/*----------------------------------------------------------------------------*/
-
-void dc21x4x_select_media(struct eth_device* dev)
-{
- int i, status, ext;
- extern unsigned int eltec_board;
-
- if (eltec_board == 740)
- {
- printf("SYM media select "); /* BAB740 */
- /* start autoneg. with 10 mbit */
- media_reg_init (dev, 0x3ffff, 0x08af0008, 0x00a10008, 0x00a50008, 0x02400080);
- ext = status = 0;
- for (i=0; i<2000+ext; i++)
- {
- status = INL(dev, DE4X5_SISR);
- udelay(1000);
- if (status & 0x2000) ext = 2000;
- if ((status & 0x7000) == 0x5000) break;
- }
-
- /* autoneg. ok -> 100MB FD */
- if ((status & 0x0100f000) == 0x0100d000)
- {
- media_reg_init (dev, 0x37f7f, 0x08270008, 0x00210008, 0x00250008, 0x03c40280);
- printf("100baseTx-FD\n");
- }
- /* autoneg. ok -> 100MB HD */
- else if ((status & 0x0080f000) == 0x0080d000)
- {
- media_reg_init (dev, 0x17f7f, 0x08270008, 0x00210008, 0x00250008, 0x03c40080);
- printf("100baseTx\n");
- }
- /* autoneg. ok -> 10MB FD */
- else if ((status & 0x0040f000) == 0x0040d000)
- {
- media_reg_init (dev, 0x07f7f, 0x08af0008, 0x00a10008, 0x00a50008, 0x02400280);
- printf("10baseT-FD\n");
- }
- /* autoneg. fail -> 10MB HD */
- else
- {
- media_reg_init (dev, 0x7f7f, 0x08af0008, 0x00a10008, 0x00a50008,
- (OMR_SDP | OMR_TTM | OMR_PM));
- printf("10baseT\n");
- }
- }
- else
- {
- printf("MII media selected\n"); /* BAB750 */
- OUTL(dev, OMR_SDP | OMR_PS | OMR_PM, DE4X5_OMR); /* CSR6 */
- }
-}
-#endif /* CONFIG_TULIP_SELECT_MEDIA */
-
-/*---------------------------------------------------------------------------*/
+++ /dev/null
-/*
- * (C) Copyright 2002 ELTEC Elektronik AG
- * Frank Gottschling <fgottschling@eltec.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
- */
-
-/*
- * PCI initialisation for the MPC10x.
- */
-
-#include <common.h>
-#include <pci.h>
-#include <mpc106.h>
-
-#ifdef CONFIG_PCI
-
-struct pci_controller local_hose;
-
-void pci_init_board(void)
-{
- struct pci_controller* hose = (struct pci_controller *)&local_hose;
- u32 reg32;
- u16 reg16;
-
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- pci_set_region(hose->regions + 0,
- CONFIG_SYS_PCI_MEMORY_BUS,
- CONFIG_SYS_PCI_MEMORY_PHYS,
- /*
- * Attention: pci_hose_phys_to_bus() failes in address compare,
- * so we need (CONFIG_SYS_PCI_MEMORY_SIZE-1)
- */
- CONFIG_SYS_PCI_MEMORY_SIZE-1,
- PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
-
- /* PCI memory space */
- pci_set_region(hose->regions + 1,
- CONFIG_SYS_PCI_MEM_BUS,
- CONFIG_SYS_PCI_MEM_PHYS,
- CONFIG_SYS_PCI_MEM_SIZE,
- PCI_REGION_MEM);
-
- /* ISA/PCI memory space */
- pci_set_region(hose->regions + 2,
- CONFIG_SYS_ISA_MEM_BUS,
- CONFIG_SYS_ISA_MEM_PHYS,
- CONFIG_SYS_ISA_MEM_SIZE,
- PCI_REGION_MEM);
-
- /* PCI I/O space */
- pci_set_region(hose->regions + 3,
- CONFIG_SYS_PCI_IO_BUS,
- CONFIG_SYS_PCI_IO_PHYS,
- CONFIG_SYS_PCI_IO_SIZE,
- PCI_REGION_IO);
-
- /* ISA/PCI I/O space */
- pci_set_region(hose->regions + 4,
- CONFIG_SYS_ISA_IO_BUS,
- CONFIG_SYS_ISA_IO_PHYS,
- CONFIG_SYS_ISA_IO_SIZE,
- PCI_REGION_IO);
-
- hose->region_count = 5;
-
- pci_setup_indirect(hose,
- MPC106_REG_ADDR,
- MPC106_REG_DATA);
-
- pci_register_hose(hose);
-
- hose->last_busno = pci_hose_scan(hose);
-
- /* Initialises the MPC10x PCI Configuration regs. */
- pci_read_config_dword (PCI_BDF(0,0,0), PCI_PICR2, ®32);
- reg32 |= PICR2_CF_SNOOP_WS(3) |
- PICR2_CF_FLUSH_L2 |
- PICR2_CF_L2_HIT_DELAY(3) |
- PICR2_CF_APHASE_WS(3);
- reg32 &= ~(PICR2_L2_EN | PICR2_L2_UPDATE_EN);
- pci_write_config_dword (PCI_BDF(0,0,0), PCI_PICR2, reg32);
-
- pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16);
- reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
- pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
-
- /* Clear non-reserved bits in status register */
- pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
-
- pci_read_config_dword (PCI_BDF(0,0,0), PCI_PICR1, ®32);
- reg32 |= PICR1_CF_CBA(63) |
- PICR1_CF_BREAD_WS(2) |
- PICR1_MCP_EN |
- PICR1_CF_DPARK |
- PICR1_PROC_TYPE_604 |
- PICR1_CF_LOOP_SNOOP |
- PICR1_CF_APARK;
- pci_write_config_dword (PCI_BDF(0,0,0), PCI_PICR1, reg32);
-}
-
-#endif /* CONFIG_PCI */
+++ /dev/null
-/*
- * (C) Copyright 2002 ELTEC Elektronik AG
- * Frank Gottschling <fgottschling@eltec.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
- */
-
-/* common srom defs */
-#define FIRST_DEVICE 0x00
-#define SECOND_DEVICE 0x04
-#define FIRST_BLOCK 0x00
-#define SECOND_BLOCK 0x02
-#define BLOCK_SIZE 0x100
-#define ERROR (-1)
-
-#define CLK2P0TO1_1MB_PB_0P5DH 0x79000100
-#define CLK2P5TO1_1MB_PB_0P5DH 0x7B000100
-
-#define CPU_TYPE_740 0x08
-#define CPU_TYPE_750 0x08
-#define CPU_TYPE ((get_pvr()>>16)&0xffff)
-
-#define ABS(x) ((x<0)?-x:x)
-#define SROM_SHORT(pX) (*(u8 *)(pX) | *((u8 *)(pX)+1) << 8)
-
-/* bab7xx ELTEC srom */
-#define I2C_BUS_DAT (CONFIG_SYS_ISA_IO + 0x220)
-#define I2C_BUS_DIR (CONFIG_SYS_ISA_IO + 0x221)
-
-/* srom at mpc107 */
-#define MPC107_I2CADDR (mpc107_eumb_addr + 0x3000) /* address */
-#define MPC107_I2CFDR (mpc107_eumb_addr + 0x3004) /* freq divider */
-#define MPC107_I2CCR (mpc107_eumb_addr + 0x3008) /* control */
-#define MPC107_I2CSR (mpc107_eumb_addr + 0x300c) /* status */
-#define MPC107_I2CDR (mpc107_eumb_addr + 0x3010) /* data */
-#define MPC107_I2C_TIMEOUT 10000000
-
-/* i82559 */
-#define EE_ADDR_BITS 6
-#define EE_SIZE 0x40 /* 0x40 words */
-#define EE_CHECKSUM 0xBABA
-
-/* dc21143 */
-#define DEC_SROM_SIZE 128
-
-
-/*
- * structure of revision srom
- */
-typedef struct {
- char magic[8]; /* 000 - Magic number */
- char revrev[2]; /* 008 - Revision of structure */
- unsigned short size; /* 00A - Size of CRC area */
- unsigned long crc; /* 00C - CRC */
- char board[16]; /* 010 - Board Revision information */
- char option[4][16]; /* 020 - Option Revision information */
- char serial[8]; /* 060 - Board serial number */
- char etheraddr[6]; /* 068 - Ethernet node addresse */
- char reserved[2]; /* 06E - Reserved */
- char revision[7][2]; /* 070 - Revision codes */
- char category[2]; /* 07E - Category codes */
- char text[64]; /* 080 - Text field */
- char res[64]; /* 0C0 - Reserved */
-} revinfo;
-
-unsigned long el_srom_checksum (unsigned char *ptr, unsigned long size);
-int el_srom_load (unsigned char addr, unsigned char *buf, int cnt,
- unsigned char device, unsigned char block);
-int el_srom_store (unsigned char addr, unsigned char *buf, int cnt,
- unsigned char device, unsigned char block);
-
-int mpc107_i2c_init (unsigned long eumb_addr, unsigned long divider);
-int mpc107_i2c_read_byte (unsigned char device, unsigned char block, unsigned char offset);
-int mpc107_i2c_write_byte (unsigned char device, unsigned char block,
- unsigned char offset, unsigned char val);
-int mpc107_srom_load (unsigned char addr, unsigned char *pBuf, int cnt,
- unsigned char device, unsigned char block);
-int mpc107_srom_store (unsigned char addr, unsigned char *pBuf, int cnt,
- unsigned char device, unsigned char block);
-
-int dc_srom_load (unsigned short *dest);
-int dc_srom_store (unsigned short *src);
-
-unsigned short eepro100_srom_checksum (unsigned short *sromdata);
-void eepro100_srom_load (unsigned short *destination);
-int eepro100_srom_store (unsigned short *source);
PCIPPC6 powerpc 74xx_7xx pcippc2
ppmc7xx powerpc 74xx_7xx
ZUMA powerpc 74xx_7xx evb64260
-BAB7xx powerpc 74xx_7xx bab7xx eltec
ELPPC powerpc 74xx_7xx elppc eltec
CPCI750 powerpc 74xx_7xx cpci750 esd
mpc7448hpc2 powerpc 74xx_7xx mpc7448hpc2 freescale
Board Arch CPU removed Commit last known maintainer/contact
=============================================================================
+BAB7xx powerpc MPC740/MPC750 - 2011-12-07 Frank Gottschling <fgottschling@eltec.de>
xm250 arm pxa c746cdd 2011-25-11
pleb2 arm pxa b185a1c 2011-25-11
cradle arm pxa 4e24f8a 2011-25-11 Kyle Harris <kharris@nexus-tech.net>
+++ /dev/null
-/*
- * (C) Copyright 2002 ELTEC Elektronik AG
- * Frank Gottschling <fgottschling@eltec.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
-
-#define GTREGREAD(x) 0xffffffff /* needed for debug */
-
-/*
- * High Level Configuration Options
- * (easy to change)
- */
-
-#define CONFIG_SYS_TEXT_BASE 0xFFF00000
-
-/* these hardware addresses are pretty bogus, please change them to
- suit your needs */
-
-/* first ethernet */
-#define CONFIG_ETHADDR 00:00:5b:ee:de:ad
-
-#define CONFIG_IPADDR 192.168.0.105
-#define CONFIG_SERVERIP 192.168.0.100
-
-#define CONFIG_BAB7xx 1 /* this is an BAB740/BAB750 board */
-
-#define CONFIG_BAUDRATE 9600 /* console baudrate */
-
-#undef CONFIG_WATCHDOG
-
-#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
-
-#define CONFIG_ZERO_BOOTDELAY_CHECK
-
-#undef CONFIG_BOOTARGS
-#define CONFIG_BOOTCOMMAND \
- "bootp 1000000; " \
- "setenv bootargs root=ramfs console=ttyS00,9600 " \
- "ip=${ipaddr}:${serverip}:${rootpath}:${gatewayip}:" \
- "${netmask}:${hostname}:eth0:none; " \
- "bootm"
-
-#define CONFIG_LOADS_ECHO 0 /* echo off for serial download */
-#define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate changes */
-
-/*
- * BOOTP options
- */
-#define CONFIG_BOOTP_SUBNETMASK
-#define CONFIG_BOOTP_GATEWAY
-#define CONFIG_BOOTP_HOSTNAME
-#define CONFIG_BOOTP_BOOTPATH
-
-#define CONFIG_BOOTP_BOOTFILESIZE
-
-
-/*
- * Command line configuration.
- */
-#include <config_cmd_default.h>
-
-#define CONFIG_CMD_PCI
-#define CONFIG_CMD_JFFS2
-#define CONFIG_CMD_SCSI
-#define CONFIG_CMD_IDE
-#define CONFIG_CMD_DATE
-#define CONFIG_CMD_FDC
-#define CONFIG_CMD_ELF
-
-
-/*
- * Miscellaneous configurable options
- */
-#define CONFIG_SYS_LONGHELP /* undef to save memory */
-#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
-
-/*
- * choose between COM1 and COM2 as serial console
- */
-#define CONFIG_CONS_INDEX 1
-
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
-#endif
-#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
-#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
-#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
-
-#define CONFIG_SYS_MEMTEST_START 0x00000000 /* memtest works on */
-#define CONFIG_SYS_MEMTEST_END 0x04000000 /* 0 ... 64 MB in DRAM */
-
-#define CONFIG_SYS_LOAD_ADDR 0x1000000 /* default load address */
-
-#define CONFIG_SYS_HZ 1000 /* dec. freq: 1 ms ticks */
-
-#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
-
-/*
- * 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_BOARD_ASM_INIT
-#define CONFIG_MISC_INIT_R
-
-/*
- * Choose the address mapping scheme for the MPC106 mem controller.
- * Default is mapping B (CHRP), set this define to choose mapping A (PReP).
- */
-#define CONFIG_SYS_ADDRESS_MAP_A
-#ifdef CONFIG_SYS_ADDRESS_MAP_A
-
-#define CONFIG_SYS_PCI_MEMORY_BUS 0x80000000
-#define CONFIG_SYS_PCI_MEMORY_PHYS 0x00000000
-#define CONFIG_SYS_PCI_MEMORY_SIZE 0x80000000
-
-#define CONFIG_SYS_PCI_MEM_BUS 0x00000000
-#define CONFIG_SYS_PCI_MEM_PHYS 0xc0000000
-#define CONFIG_SYS_PCI_MEM_SIZE 0x3f000000
-
-#define CONFIG_SYS_ISA_MEM_BUS 0
-#define CONFIG_SYS_ISA_MEM_PHYS 0
-#define CONFIG_SYS_ISA_MEM_SIZE 0
-
-#define CONFIG_SYS_PCI_IO_BUS 0x1000
-#define CONFIG_SYS_PCI_IO_PHYS 0x81000000
-#define CONFIG_SYS_PCI_IO_SIZE 0x01000000-CONFIG_SYS_PCI_IO_BUS
-
-#define CONFIG_SYS_ISA_IO_BUS 0x00000000
-#define CONFIG_SYS_ISA_IO_PHYS 0x80000000
-#define CONFIG_SYS_ISA_IO_SIZE 0x00800000
-
-#else
-
-#define CONFIG_SYS_PCI_MEMORY_BUS 0x00000000
-#define CONFIG_SYS_PCI_MEMORY_PHYS 0x00000000
-#define CONFIG_SYS_PCI_MEMORY_SIZE 0x40000000
-
-#define CONFIG_SYS_PCI_MEM_BUS 0x80000000
-#define CONFIG_SYS_PCI_MEM_PHYS 0x80000000
-#define CONFIG_SYS_PCI_MEM_SIZE 0x7d000000
-
-#define CONFIG_SYS_ISA_MEM_BUS 0x00000000
-#define CONFIG_SYS_ISA_MEM_PHYS 0xfd000000
-#define CONFIG_SYS_ISA_MEM_SIZE 0x01000000
-
-#define CONFIG_SYS_PCI_IO_BUS 0x00800000
-#define CONFIG_SYS_PCI_IO_PHYS 0xfe800000
-#define CONFIG_SYS_PCI_IO_SIZE 0x00400000
-
-#define CONFIG_SYS_ISA_IO_BUS 0x00000000
-#define CONFIG_SYS_ISA_IO_PHYS 0xfe000000
-#define CONFIG_SYS_ISA_IO_SIZE 0x00800000
-
-#endif /*CONFIG_SYS_ADDRESS_MAP_A */
-
-#define CONFIG_SYS_60X_PCI_MEM_OFFSET 0x00000000
-
-/* driver defines FDC,IDE,... */
-#define CONFIG_SYS_ISA_IO_BASE_ADDRESS CONFIG_SYS_ISA_IO_PHYS
-#define CONFIG_SYS_ISA_IO CONFIG_SYS_ISA_IO_PHYS
-#define CONFIG_SYS_60X_PCI_IO_OFFSET CONFIG_SYS_ISA_IO_PHYS
-
-/*
- * Start addresses for the final memory configuration
- * (Set up by the startup code)
- * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
- */
-#define CONFIG_SYS_SDRAM_BASE 0x00000000
-#define CONFIG_SYS_FLASH_BASE 0xfff00000
-
-/*
- * Definitions for initial stack pointer and data area
- */
-#define CONFIG_SYS_INIT_RAM_ADDR 0x00fd0000 /* above the memtest region */
-#define CONFIG_SYS_INIT_RAM_SIZE 0x4000
-#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
-#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
-
-/*
- * Flash mapping/organization on the MPC10x.
- */
-#define FLASH_BASE0_PRELIM 0xff800000
-#define FLASH_BASE1_PRELIM 0xffc00000
-
-#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
-#define CONFIG_SYS_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
-
-#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
-#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
-
-/*
- * JFFS2 partitions
- *
- */
-/* No command line, one static partition */
-#undef CONFIG_CMD_MTDPARTS
-#define CONFIG_JFFS2_DEV "nor"
-#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
-#define CONFIG_JFFS2_PART_OFFSET 0x00000000
-
-/* mtdparts command line support
- *
- * Note: fake mtd_id used, no linux mtd map file
- */
-/*
-#define CONFIG_CMD_MTDPARTS
-#define MTDIDS_DEFAULT "nor0=bab7xx-0"
-#define MTDPARTS_DEFAULT "mtdparts=bab7xx-0:-(jffs2)"
-*/
-
-#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
-#define CONFIG_SYS_MONITOR_LEN 0x40000 /* Reserve 256 kB for Monitor */
-#define CONFIG_SYS_MALLOC_LEN 0x20000 /* Reserve 128 kB for malloc() */
-#undef CONFIG_SYS_MEMTEST
-
-/*
- * Environment settings
- */
-#define CONFIG_ENV_OVERWRITE
-#define CONFIG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */
-#define CONFIG_SYS_NVRAM_SIZE 0x1ff0 /* NVRAM size (8kB), we must protect the clock data (16 bytes) */
-#define CONFIG_ENV_SIZE 0x400 /* Size of Environment vars (1kB) */
-/*
- * We store the environment and an image of revision eeprom in the upper part of the NVRAM. Thus,
- * user applications can use the remaining space for other purposes.
- */
-#define CONFIG_ENV_ADDR (CONFIG_SYS_NVRAM_SIZE +0x10 -0x800)
-#define CONFIG_SYS_NV_SROM_COPY_ADDR (CONFIG_SYS_NVRAM_SIZE +0x10 -0x400)
-#define CONFIG_SYS_NVRAM_ACCESS_ROUTINE /* This board needs a special routine to access the NVRAM */
-#define CONFIG_SYS_SROM_SIZE 0x100 /* shadow of revision info is in nvram */
-
-/*
- * Serial devices
- */
-#define CONFIG_SYS_NS16550
-#define CONFIG_SYS_NS16550_SERIAL
-#define CONFIG_SYS_NS16550_REG_SIZE 1
-#define CONFIG_SYS_NS16550_CLK 1843200
-#define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_ISA_IO + CONFIG_SYS_NS87308_UART1_BASE)
-#define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_ISA_IO + CONFIG_SYS_NS87308_UART2_BASE)
-
-/*
- * PCI stuff
- */
-#define CONFIG_PCI /* include pci support */
-#define CONFIG_SYS_EARLY_PCI_INIT
-#define CONFIG_PCI_PNP /* pci plug-and-play */
-#define CONFIG_PCI_HOST PCI_HOST_AUTO
-#undef CONFIG_PCI_SCAN_SHOW
-
-/*
- * Video console (graphic: SMI LynxEM, keyboard: i8042)
- */
-#define CONFIG_VIDEO
-#define CONFIG_CFB_CONSOLE
-#define CONFIG_VIDEO_SMI_LYNXEM
-#define CONFIG_I8042_KBD
-#define CONFIG_VIDEO_LOGO
-#define CONFIG_CONSOLE_TIME
-#define CONFIG_CONSOLE_EXTRA_INFO
-#define CONFIG_CONSOLE_CURSOR
-#define CONFIG_SYS_CONSOLE_BLINK_COUNT 30000 /* approx. 2 HZ */
-
-/*
- * IDE/SCSI globals
- */
-#ifndef __ASSEMBLY__
-extern unsigned int eltec_board;
-extern unsigned int ata_reset_time;
-extern unsigned int scsi_reset_time;
-extern unsigned short scsi_dev_id;
-extern unsigned int scsi_max_scsi_id;
-extern unsigned char scsi_sym53c8xx_ccf;
-#endif
-
-/*
- * ATAPI Support (experimental)
- */
-#define CONFIG_ATAPI
-#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 2 IDE busses */
-#define CONFIG_SYS_IDE_MAXDEVICE (CONFIG_SYS_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */
-
-#define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_60X_PCI_IO_OFFSET /* base address */
-#define CONFIG_SYS_ATA_IDE0_OFFSET 0x1F0 /* default ide0 offste */
-#define CONFIG_SYS_ATA_IDE1_OFFSET 0x170 /* default ide1 offset */
-#define CONFIG_SYS_ATA_DATA_OFFSET 0 /* data reg offset */
-#define CONFIG_SYS_ATA_REG_OFFSET 0 /* reg offset */
-#define CONFIG_SYS_ATA_ALT_OFFSET 0x200 /* alternate register offset */
-
-#define ATA_RESET_TIME (ata_reset_time)
-
-#undef CONFIG_IDE_PCMCIA /* no pcmcia interface required */
-#undef CONFIG_IDE_LED /* no led for ide supported */
-
-/*
- * SCSI support (experimental) only SYM53C8xx supported
- */
-#define CONFIG_SCSI_SYM53C8XX
-#define CONFIG_SCSI_DEV_ID (scsi_dev_id) /* 875 or 860 */
-#define CONFIG_SYS_SCSI_SYM53C8XX_CCF (scsi_sym53c8xx_ccf) /* value for none 40 mhz clocks */
-#define CONFIG_SYS_SCSI_MAX_LUN 8 /* number of supported LUNs */
-#define CONFIG_SYS_SCSI_MAX_SCSI_ID (scsi_max_scsi_id) /* max SCSI ID (0-6) */
-#define CONFIG_SYS_SCSI_MAX_DEVICE (15 * CONFIG_SYS_SCSI_MAX_LUN) /* max. Target devices */
-#define CONFIG_SYS_SCSI_SPIN_UP_TIME (scsi_reset_time)
-
-/*
- * Partion suppport
- */
-#define CONFIG_DOS_PARTITION
-#define CONFIG_MAC_PARTITION
-#define CONFIG_ISO_PARTITION
-
-/*
- * Winbond Configuration
- */
-#define CONFIG_WINBOND_83C553 1 /* has a winbond bridge */
-#define CONFIG_SYS_USE_WINBOND_IDE 0 /* use winbond 83c553 internal ide */
-#define CONFIG_SYS_WINBOND_ISA_CFG_ADDR 0x80005800 /* pci-isa bridge config addr */
-#define CONFIG_SYS_WINBOND_IDE_CFG_ADDR 0x80005900 /* ide config addr */
-
-/*
- * NS87308 Configuration
- */
-#define CONFIG_NS87308 /* Nat Semi super-io cntr on ISA bus */
-#define CONFIG_SYS_NS87308_BADDR_10 1
-#define CONFIG_SYS_NS87308_DEVS (CONFIG_SYS_NS87308_UART1 | \
- CONFIG_SYS_NS87308_UART2 | \
- CONFIG_SYS_NS87308_KBC1 | \
- CONFIG_SYS_NS87308_MOUSE | \
- CONFIG_SYS_NS87308_FDC | \
- CONFIG_SYS_NS87308_RARP | \
- CONFIG_SYS_NS87308_GPIO | \
- CONFIG_SYS_NS87308_POWRMAN | \
- CONFIG_SYS_NS87308_RTC_APC )
-
-#define CONFIG_SYS_NS87308_PS2MOD
-#define CONFIG_SYS_NS87308_GPIO_BASE 0x0220
-#define CONFIG_SYS_NS87308_PWMAN_BASE 0x0460
-#define CONFIG_SYS_NS87308_PMC2 0x00 /* SuperI/O clock source is 24MHz via X1 */
-
-/*
- * set up the NVRAM access registers
- * NVRAM's controlled by the configurable CS line from the 87308
- */
-#define CONFIG_SYS_NS87308_CS0_BASE 0x0076
-#define CONFIG_SYS_NS87308_CS0_CONF 0x40
-#define CONFIG_SYS_NS87308_CS1_BASE 0x0070
-#define CONFIG_SYS_NS87308_CS1_CONF 0x1C
-#define CONFIG_SYS_NS87308_CS2_BASE 0x0071
-#define CONFIG_SYS_NS87308_CS2_CONF 0x1C
-
-#define CONFIG_RTC_MK48T59
-
-/*
- * Initial BATs
- */
-#if 1
-
-#define CONFIG_SYS_IBAT0L 0
-#define CONFIG_SYS_IBAT0U 0
-#define CONFIG_SYS_DBAT0L CONFIG_SYS_IBAT1L
-#define CONFIG_SYS_DBAT0U CONFIG_SYS_IBAT1U
-
-#define CONFIG_SYS_IBAT1L 0
-#define CONFIG_SYS_IBAT1U 0
-#define CONFIG_SYS_DBAT1L CONFIG_SYS_IBAT1L
-#define CONFIG_SYS_DBAT1U CONFIG_SYS_IBAT1U
-
-#define CONFIG_SYS_IBAT2L 0
-#define CONFIG_SYS_IBAT2U 0
-#define CONFIG_SYS_DBAT2L CONFIG_SYS_IBAT2L
-#define CONFIG_SYS_DBAT2U CONFIG_SYS_IBAT2U
-
-#define CONFIG_SYS_IBAT3L 0
-#define CONFIG_SYS_IBAT3U 0
-#define CONFIG_SYS_DBAT3L CONFIG_SYS_IBAT3L
-#define CONFIG_SYS_DBAT3U CONFIG_SYS_IBAT3U
-
-#else
-
-/* SDRAM */
-#define CONFIG_SYS_IBAT0L (CONFIG_SYS_SDRAM_BASE | BATL_RW)
-#define CONFIG_SYS_IBAT0U (CONFIG_SYS_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
-#define CONFIG_SYS_DBAT0L CONFIG_SYS_IBAT1L
-#define CONFIG_SYS_DBAT0U CONFIG_SYS_IBAT1U
-
-/* address range for flashes */
-#define CONFIG_SYS_IBAT1L (CONFIG_SYS_FLASH_BASE | BATL_RW | BATL_CACHEINHIBIT)
-#define CONFIG_SYS_IBAT1U (CONFIG_SYS_FLASH_BASE | BATU_BL_16M | BATU_VS | BATU_VP)
-#define CONFIG_SYS_DBAT1L CONFIG_SYS_IBAT1L
-#define CONFIG_SYS_DBAT1U CONFIG_SYS_IBAT1U
-
-/* ISA IO space */
-#define CONFIG_SYS_IBAT2L (CONFIG_SYS_ISA_IO | BATL_RW | BATL_CACHEINHIBIT)
-#define CONFIG_SYS_IBAT2U (CONFIG_SYS_ISA_IO | BATU_BL_16M | BATU_VS | BATU_VP)
-#define CONFIG_SYS_DBAT2L CONFIG_SYS_IBAT2L
-#define CONFIG_SYS_DBAT2U CONFIG_SYS_IBAT2U
-
-/* ISA memory space */
-#define CONFIG_SYS_IBAT3L (CONFIG_SYS_ISA_MEM | BATL_RW | BATL_CACHEINHIBIT)
-#define CONFIG_SYS_IBAT3U (CONFIG_SYS_ISA_MEM | BATU_BL_16M | BATU_VS | BATU_VP)
-#define CONFIG_SYS_DBAT3L CONFIG_SYS_IBAT3L
-#define CONFIG_SYS_DBAT3U CONFIG_SYS_IBAT3U
-
-#endif
-
-/*
- * Speed settings are board specific
- */
-#ifndef __ASSEMBLY__
-extern unsigned long bab7xx_get_bus_freq (void);
-extern unsigned long bab7xx_get_gclk_freq (void);
-#endif
-#define CONFIG_SYS_BUS_CLK bab7xx_get_bus_freq()
-#define CONFIG_SYS_CPU_CLK bab7xx_get_gclk_freq()
-
-/*
- * 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 CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
-
-/*
- * Cache Configuration
- */
-#define CONFIG_SYS_CACHELINE_SIZE 32 /* For all MPC74xx CPUs */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
-#endif
-
-/*
- * L2 Cache Configuration is board specific for BAB740/BAB750
- * Init values read from revision srom.
- */
-#undef CONFIG_SYS_L2
-#define L2_INIT (L2CR_L2SIZ_HM | L2CR_L2CLK_3 | L2CR_L2RAM_BURST | \
- L2CR_L2OH_5 | L2CR_L2CTL | L2CR_L2WT)
-#define L2_ENABLE (L2_INIT | L2CR_L2E)
-
-#define CONFIG_SYS_L2_BAB7xx
-
-#define CONFIG_TULIP
-#define CONFIG_TULIP_SELECT_MEDIA
-
-#endif /* __CONFIG_H */
projects / u-boot / commitdiff