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Diffstat (limited to 'board/at91rm9200dk/memsetup.S')
| -rw-r--r-- | board/at91rm9200dk/memsetup.S | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/board/at91rm9200dk/memsetup.S b/board/at91rm9200dk/memsetup.S deleted file mode 100644 index 725b62e..0000000 --- a/board/at91rm9200dk/memsetup.S +++ /dev/null @@ -1,200 +0,0 @@ -/* - * Memory Setup stuff - taken from blob memsetup.S - * - * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and - * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl) - * - * Modified for the at91rm9200dk board by - * (C) Copyright 2004 - * Gary Jennejohn, DENX Software Engineering, <garyj@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 <config.h> -#include <version.h> - -#ifdef CONFIG_BOOTBINFUNC -/* - * some parameters for the board - * - * This is based on rm9200dk.cfg for the BDI2000 from ABATRON which in - * turn is based on the boot.bin code from ATMEL - * - */ - -/* flash */ -#define MC_PUIA 0xFFFFFF10 -#define MC_PUIA_VAL 0x00000000 -#define MC_PUP 0xFFFFFF50 -#define MC_PUP_VAL 0x00000000 -#define MC_PUER 0xFFFFFF54 -#define MC_PUER_VAL 0x00000000 -#define MC_ASR 0xFFFFFF04 -#define MC_ASR_VAL 0x00000000 -#define MC_AASR 0xFFFFFF08 -#define MC_AASR_VAL 0x00000000 -#define EBI_CFGR 0xFFFFFF64 -#define EBI_CFGR_VAL 0x00000000 -#define SMC2_CSR 0xFFFFFF70 -#define SMC2_CSR_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ - -/* clocks */ -#define PLLAR 0xFFFFFC28 -#define PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */ -#define PLLBR 0xFFFFFC2C -#define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */ -#define MCKR 0xFFFFFC30 -#define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */ - -/* sdram */ -#define PIOC_ASR 0xFFFFF870 -#define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ -#define PIOC_BSR 0xFFFFF874 -#define PIOC_BSR_VAL 0x00000000 -#define PIOC_PDR 0xFFFFF804 -#define PIOC_PDR_VAL 0xFFFF0000 -#define EBI_CSA 0xFFFFFF60 -#define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */ -#define SDRC_CR 0xFFFFFF98 -#define SDRC_CR_VAL 0x2188c155 /* 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 0xFFFFFF90 -#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 0xFFFFFF94 -#define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ - - -_TEXT_BASE: - .word TEXT_BASE - -.globl lowlevelinit -lowlevelinit: - /* memory control configuration */ - /* this isn't very elegant, but what the heck */ - ldr r0, =SMRDATA - ldr r1, _TEXT_BASE - sub r0, r0, r1 - add r2, r0, #80 -0: - /* the address */ - ldr r1, [r0], #4 - /* the value */ - ldr r3, [r0], #4 - str r3, [r1] - cmp r2, r0 - bne 0b - /* delay - this is all done by guess */ - ldr r0, =0x00010000 -1: - subs r0, r0, #1 - bhi 1b - ldr r0, =SMRDATA1 - ldr r1, _TEXT_BASE - sub r0, r0, r1 - add r2, r0, #176 -2: - /* the address */ - ldr r1, [r0], #4 - /* the value */ - ldr r3, [r0], #4 - str r3, [r1] - cmp r2, r0 - bne 2b - - /* everything is fine now */ - mov pc, lr - - .ltorg - -SMRDATA: - .word MC_PUIA - .word MC_PUIA_VAL - .word MC_PUP - .word MC_PUP_VAL - .word MC_PUER - .word MC_PUER_VAL - .word MC_ASR - .word MC_ASR_VAL - .word MC_AASR - .word MC_AASR_VAL - .word EBI_CFGR - .word EBI_CFGR_VAL - .word SMC2_CSR - .word SMC2_CSR_VAL - .word PLLAR - .word PLLAR_VAL - .word PLLBR - .word PLLBR_VAL - .word MCKR - .word MCKR_VAL - /* SMRDATA is 80 bytes long */ - /* here there's a delay of 100 */ -SMRDATA1: - .word PIOC_ASR - .word PIOC_ASR_VAL - .word PIOC_BSR - .word PIOC_BSR_VAL - .word PIOC_PDR - .word PIOC_PDR_VAL - .word EBI_CSA - .word EBI_CSA_VAL - .word SDRC_CR - .word SDRC_CR_VAL - .word SDRC_MR - .word SDRC_MR_VAL - .word SDRAM - .word SDRAM_VAL - .word SDRC_MR - .word SDRC_MR_VAL1 - .word SDRAM - .word SDRAM_VAL - .word SDRAM - .word SDRAM_VAL - .word SDRAM - .word SDRAM_VAL - .word SDRAM - .word SDRAM_VAL - .word SDRAM - .word SDRAM_VAL - .word SDRAM - .word SDRAM_VAL - .word SDRAM - .word SDRAM_VAL - .word SDRAM - .word SDRAM_VAL - .word SDRC_MR - .word SDRC_MR_VAL2 - .word SDRAM1 - .word SDRAM_VAL - .word SDRC_TR - .word SDRC_TR_VAL - .word SDRAM - .word SDRAM_VAL - .word SDRC_MR - .word SDRC_MR_VAL3 - .word SDRAM - .word SDRAM_VAL - /* SMRDATA1 is 176 bytes long */ -#endif /* CONFIG_BOOTBINFUNC */ |