Patch by Steven Scholz, 13 Dec 2004:
Remove duplicated code by merging memsetup.S files for at91rm9200 boards into one cpu/at91rm9200/lowlevel.S
This commit is contained in:
wdenk
parent
83e40ba75d
commit
ef2807c667
@ -2,6 +2,10 @@
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Changes for U-Boot 1.1.3:
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======================================================================
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* Patch by Steven Scholz, 13 Dec 2004:
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Remove duplicated code by merging memsetup.S files for
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at91rm9200 boards into one cpu/at91rm9200/lowlevel.S
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* Patch by Detlev Zundel, 31 Mar 2005:
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Cleanup duplicate definition of overwrite_console()
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@ -26,7 +26,6 @@ include $(TOPDIR)/config.mk
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LIB = lib$(BOARD).a
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OBJS := at91rm9200dk.o at45.o dm9161.o flash.o
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SOBJS := memsetup.o
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$(LIB): $(OBJS) $(SOBJS)
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$(AR) crv $@ $(OBJS) $(SOBJS)
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@ -1,200 +0,0 @@
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/*
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* Memory Setup stuff - taken from blob memsetup.S
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*
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* Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
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* Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
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*
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* Modified for the at91rm9200dk board by
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* (C) Copyright 2004
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* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <config.h>
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#include <version.h>
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#ifdef CONFIG_BOOTBINFUNC
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/*
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* some parameters for the board
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*
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* This is based on rm9200dk.cfg for the BDI2000 from ABATRON which in
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* turn is based on the boot.bin code from ATMEL
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*
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*/
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/* flash */
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#define MC_PUIA 0xFFFFFF10
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#define MC_PUIA_VAL 0x00000000
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#define MC_PUP 0xFFFFFF50
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#define MC_PUP_VAL 0x00000000
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#define MC_PUER 0xFFFFFF54
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#define MC_PUER_VAL 0x00000000
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#define MC_ASR 0xFFFFFF04
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#define MC_ASR_VAL 0x00000000
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#define MC_AASR 0xFFFFFF08
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#define MC_AASR_VAL 0x00000000
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#define EBI_CFGR 0xFFFFFF64
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#define EBI_CFGR_VAL 0x00000000
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#define SMC2_CSR 0xFFFFFF70
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#define SMC2_CSR_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
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/* clocks */
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#define PLLAR 0xFFFFFC28
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#define PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
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#define PLLBR 0xFFFFFC2C
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#define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
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#define MCKR 0xFFFFFC30
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#define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
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/* sdram */
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#define PIOC_ASR 0xFFFFF870
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#define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
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#define PIOC_BSR 0xFFFFF874
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#define PIOC_BSR_VAL 0x00000000
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#define PIOC_PDR 0xFFFFF804
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#define PIOC_PDR_VAL 0xFFFF0000
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#define EBI_CSA 0xFFFFFF60
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#define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */
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#define SDRC_CR 0xFFFFFF98
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#define SDRC_CR_VAL 0x2188c155 /* set up the SDRAM */
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#define SDRAM 0x20000000 /* address of the SDRAM */
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#define SDRAM1 0x20000080 /* address of the SDRAM */
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#define SDRAM_VAL 0x00000000 /* value written to SDRAM */
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#define SDRC_MR 0xFFFFFF90
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#define SDRC_MR_VAL 0x00000002 /* Precharge All */
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#define SDRC_MR_VAL1 0x00000004 /* refresh */
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#define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
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#define SDRC_MR_VAL3 0x00000000 /* Normal Mode */
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#define SDRC_TR 0xFFFFFF94
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#define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
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_TEXT_BASE:
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.word TEXT_BASE
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.globl lowlevelinit
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lowlevelinit:
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/* memory control configuration */
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/* this isn't very elegant, but what the heck */
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ldr r0, =SMRDATA
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ldr r1, _TEXT_BASE
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sub r0, r0, r1
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add r2, r0, #80
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0:
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/* the address */
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ldr r1, [r0], #4
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/* the value */
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ldr r3, [r0], #4
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str r3, [r1]
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cmp r2, r0
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bne 0b
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/* delay - this is all done by guess */
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ldr r0, =0x00010000
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1:
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subs r0, r0, #1
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bhi 1b
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ldr r0, =SMRDATA1
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ldr r1, _TEXT_BASE
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sub r0, r0, r1
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add r2, r0, #176
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2:
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/* the address */
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ldr r1, [r0], #4
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/* the value */
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ldr r3, [r0], #4
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str r3, [r1]
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cmp r2, r0
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bne 2b
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/* everything is fine now */
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mov pc, lr
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.ltorg
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SMRDATA:
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.word MC_PUIA
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.word MC_PUIA_VAL
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.word MC_PUP
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.word MC_PUP_VAL
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.word MC_PUER
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.word MC_PUER_VAL
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.word MC_ASR
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.word MC_ASR_VAL
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.word MC_AASR
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.word MC_AASR_VAL
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.word EBI_CFGR
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.word EBI_CFGR_VAL
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.word SMC2_CSR
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.word SMC2_CSR_VAL
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.word PLLAR
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.word PLLAR_VAL
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.word PLLBR
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.word PLLBR_VAL
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.word MCKR
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.word MCKR_VAL
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/* SMRDATA is 80 bytes long */
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/* here there's a delay of 100 */
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SMRDATA1:
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.word PIOC_ASR
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.word PIOC_ASR_VAL
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.word PIOC_BSR
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.word PIOC_BSR_VAL
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.word PIOC_PDR
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.word PIOC_PDR_VAL
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.word EBI_CSA
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.word EBI_CSA_VAL
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.word SDRC_CR
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.word SDRC_CR_VAL
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.word SDRC_MR
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.word SDRC_MR_VAL
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.word SDRAM
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.word SDRAM_VAL
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.word SDRC_MR
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.word SDRC_MR_VAL1
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.word SDRAM
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.word SDRAM_VAL
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.word SDRAM
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.word SDRAM_VAL
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.word SDRAM
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.word SDRAM_VAL
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.word SDRAM
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.word SDRAM_VAL
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.word SDRAM
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.word SDRAM_VAL
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.word SDRAM
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.word SDRAM_VAL
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.word SDRAM
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.word SDRAM_VAL
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.word SDRAM
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.word SDRAM_VAL
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.word SDRC_MR
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.word SDRC_MR_VAL2
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.word SDRAM1
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.word SDRAM_VAL
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.word SDRC_TR
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.word SDRC_TR_VAL
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.word SDRAM
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.word SDRAM_VAL
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.word SDRC_MR
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.word SDRC_MR_VAL3
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.word SDRAM
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.word SDRAM_VAL
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/* SMRDATA1 is 176 bytes long */
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#endif /* CONFIG_BOOTBINFUNC */
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@ -26,7 +26,6 @@ include $(TOPDIR)/config.mk
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LIB = lib$(BOARD).a
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OBJS := cmc_pu2.o at45.o dm9161.o flash.o
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SOBJS := memsetup.o
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$(LIB): $(OBJS) $(SOBJS)
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$(AR) crv $@ $(OBJS) $(SOBJS)
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@ -28,11 +28,12 @@ LIB = lib$(CPU).a
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START = start.o
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OBJS = serial.o interrupts.o cpu.o \
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at91rm9200_ether.o i2c.o
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SOBJS = lowlevel.o
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all: .depend $(START) $(LIB)
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$(LIB): $(OBJS)
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$(AR) crv $@ $(OBJS)
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$(LIB): $(OBJS) $(SOBJS)
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$(AR) crv $@ $(OBJS) $(SOBJS)
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#########################################################################
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@ -40,50 +40,30 @@
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*/
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/* flash */
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#define MC_PUIA 0xFFFFFF10
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#define MC_PUIA_VAL 0x00000000
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#define MC_PUP 0xFFFFFF50
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#define MC_PUP_VAL 0x00000000
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#define MC_PUER 0xFFFFFF54
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#define MC_PUER_VAL 0x00000000
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#define MC_ASR 0xFFFFFF04
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#define MC_ASR_VAL 0x00000000
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#define MC_AASR 0xFFFFFF08
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#define MC_AASR_VAL 0x00000000
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#define EBI_CFGR 0xFFFFFF64
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#define EBI_CFGR_VAL 0x00000000
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#define SMC2_CSR 0xFFFFFF70
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#define SMC2_CSR_VAL 0x100032ad /* 16bit, 2 TDF, 4 WS */
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#define MC_PUIA 0xFFFFFF10
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#define MC_PUP 0xFFFFFF50
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#define MC_PUER 0xFFFFFF54
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#define MC_ASR 0xFFFFFF04
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#define MC_AASR 0xFFFFFF08
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#define EBI_CFGR 0xFFFFFF64
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#define SMC2_CSR 0xFFFFFF70
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/* clocks */
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#define PLLAR 0xFFFFFC28
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#define PLLAR_VAL 0x202CBE04 /* 207.360 MHz for PCK */
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#define PLLBR 0xFFFFFC2C
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#define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
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#define MCKR 0xFFFFFC30
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#define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 69.120MHz from PLLA */
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#define PLLAR 0xFFFFFC28
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#define PLLBR 0xFFFFFC2C
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#define MCKR 0xFFFFFC30
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#define AT91C_BASE_CKGR 0xFFFFFC20
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#define CKGR_MOR 0
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/* sdram */
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#define PIOC_ASR 0xFFFFF870
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#define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
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#define PIOC_BSR 0xFFFFF874
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#define PIOC_BSR_VAL 0x00000000
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#define PIOC_PDR 0xFFFFF804
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#define PIOC_PDR_VAL 0xFFFF0000
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#define EBI_CSA 0xFFFFFF60
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#define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */
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#define SDRC_CR 0xFFFFFF98
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#define SDRC_CR_VAL 0x3399c1d4 /* set up the SDRAM */
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#define SDRAM 0x20000000 /* address of the SDRAM */
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#define SDRAM1 0x20000080 /* address of the SDRAM */
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#define SDRAM_VAL 0x00000000 /* value written to SDRAM */
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#define SDRC_MR 0xFFFFFF90
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#define SDRC_MR_VAL 0x00000002 /* Precharge All */
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#define SDRC_MR_VAL1 0x00000004 /* refresh */
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#define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
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#define SDRC_MR_VAL3 0x00000000 /* Normal Mode */
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#define SDRC_TR 0xFFFFFF94
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#define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
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#define PIOC_ASR 0xFFFFF870
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#define PIOC_BSR 0xFFFFF874
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#define PIOC_PDR 0xFFFFF804
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#define EBI_CSA 0xFFFFFF60
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#define SDRC_CR 0xFFFFFF98
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#define SDRC_MR 0xFFFFFF90
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#define SDRC_TR 0xFFFFFF94
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_MTEXT_BASE:
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@ -96,6 +76,21 @@ _MTEXT_BASE:
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.globl lowlevelinit
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lowlevelinit:
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/* Get the CKGR Base Address */
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ldr r1, =AT91C_BASE_CKGR
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/* Main oscillator Enable register */
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#ifdef CFG_USE_MAIN_OSCILLATOR
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ldr r0, =0x0000FF01 /* Enable main oscillator, OSCOUNT = 0xFF */
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#else
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ldr r0, =0x0000FF00 /* Disable main oscillator, OSCOUNT = 0xFF */
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#endif
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str r0, [r1, #CKGR_MOR]
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/* Add loop to compensate Main Oscillator startup time */
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ldr r0, =0x00000010
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LoopOsc:
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subs r0, r0, #1
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bhi LoopOsc
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/* memory control configuration */
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/* this isn't very elegant, but what the heck */
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ldr r0, =SMRDATA
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@ -116,22 +116,6 @@ reset:
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msr cpsr,r0
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#ifdef CONFIG_BOOTBINFUNC
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/* code based on entry.S from ATMEL */
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#define AT91C_BASE_CKGR 0xFFFFFC20
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#define CKGR_MOR 0
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/* Get the CKGR Base Address */
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ldr r1, =AT91C_BASE_CKGR
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/* Main oscillator Enable register APMC_MOR : Enable main oscillator , OSCOUNT = 0xFF */
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/* ldr r0, = AT91C_CKGR_MOSCEN:OR:AT91C_CKGR_OSCOUNT */
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ldr r0, =0x0000FF01
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str r0, [r1, #CKGR_MOR]
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/* Add loop to compensate Main Oscillator startup time */
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ldr r0, =0x00000010
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LoopOsc:
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subs r0, r0, #1
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bhi LoopOsc
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/* scratch stack */
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ldr r1, =0x00204000
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/* Insure word alignment */
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@ -142,7 +126,7 @@ LoopOsc:
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* This does a lot more than just set up the memory, which
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* is why it's called lowlevelinit
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*/
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bl lowlevelinit /* in memsetup.S */
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bl lowlevelinit /* in lowlevel.S */
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bl icache_enable;
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/*------------------------------------
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Read/modify/write CP15 control register
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@ -47,6 +47,37 @@
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/* define this to include the functionality of boot.bin in u-boot */
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#undef CONFIG_BOOTBINFUNC
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#ifdef CONFIG_BOOTBINFUNC
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#define CFG_USE_MAIN_OSCILLATOR 1
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/* flash */
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#define MC_PUIA_VAL 0x00000000
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#define MC_PUP_VAL 0x00000000
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#define MC_PUER_VAL 0x00000000
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#define MC_ASR_VAL 0x00000000
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#define MC_AASR_VAL 0x00000000
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#define EBI_CFGR_VAL 0x00000000
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#define SMC2_CSR_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
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/* clocks */
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#define PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
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#define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
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#define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
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/* sdram */
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#define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
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#define PIOC_BSR_VAL 0x00000000
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#define PIOC_PDR_VAL 0xFFFF0000
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#define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */
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#define SDRC_CR_VAL 0x2188c155 /* set up the SDRAM */
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#define SDRAM 0x20000000 /* address of the SDRAM */
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#define SDRAM1 0x20000080 /* address of the SDRAM */
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#define SDRAM_VAL 0x00000000 /* value written to SDRAM */
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#define SDRC_MR_VAL 0x00000002 /* Precharge All */
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#define SDRC_MR_VAL1 0x00000004 /* refresh */
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#define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
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#define SDRC_MR_VAL3 0x00000000 /* Normal Mode */
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#define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
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#endif
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/*
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* Size of malloc() pool
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*/
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@ -52,6 +52,38 @@
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#define CONFIG_BOOTBINFUNC
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#endif
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#ifdef CONFIG_BOOTBINFUNC
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#define CFG_USE_MAIN_OSCILLATOR 1
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/* flash */
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#define MC_PUIA_VAL 0x00000000
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#define MC_PUP_VAL 0x00000000
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#define MC_PUER_VAL 0x00000000
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#define MC_ASR_VAL 0x00000000
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#define MC_AASR_VAL 0x00000000
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#define EBI_CFGR_VAL 0x00000000
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#define SMC2_CSR_VAL 0x100032ad /* 16bit, 2 TDF, 4 WS */
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/* clocks */
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#define PLLAR_VAL 0x202CBE04 /* 207.360 MHz for PCK */
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#define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
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#define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 69.120MHz from PLLA */
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/* sdram */
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#define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
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#define PIOC_BSR_VAL 0x00000000
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#define PIOC_PDR_VAL 0xFFFF0000
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#define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */
|
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#define SDRC_CR_VAL 0x3399c1d4 /* set up the SDRAM */
|
||||
#define SDRAM 0x20000000 /* address of the SDRAM */
|
||||
#define SDRAM1 0x20000080 /* address of the SDRAM */
|
||||
#define SDRAM_VAL 0x00000000 /* value written to SDRAM */
|
||||
#define SDRC_MR_VAL 0x00000002 /* Precharge All */
|
||||
#define SDRC_MR_VAL1 0x00000004 /* refresh */
|
||||
#define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
|
||||
#define SDRC_MR_VAL3 0x00000000 /* Normal Mode */
|
||||
#define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Size of malloc() pool
|
||||
*/
|
||||
|
||||
Loading…
Reference in New Issue
Block a user