From 2d24a3a787c2376c2c2c86a511eee78ef170923f Mon Sep 17 00:00:00 2001 From: wdenk Date: Wed, 9 Jun 2004 21:50:45 +0000 Subject: * Patch by Yuli Barcohen, 09 Jun 2004: Add support for Analogue&Micro Adder87x and the older AdderII board. * Patch by Ming-Len Wu, 09 Jun 2004: Add suppport for MC9328 (Dargonball) CPU and Motorola MX1ADS board --- board/adder/Makefile | 46 +++++++ board/adder/adder.c | 107 +++++++++++++++ board/adder/config.mk | 27 ++++ board/adder/u-boot.lds | 122 +++++++++++++++++ board/mx1ads/Makefile | 50 +++++++ board/mx1ads/config.mk | 28 ++++ board/mx1ads/memsetup.S | 82 ++++++++++++ board/mx1ads/mx1ads.c | 183 ++++++++++++++++++++++++++ board/mx1ads/syncflash.c | 334 +++++++++++++++++++++++++++++++++++++++++++++++ board/mx1ads/u-boot.lds | 58 ++++++++ 10 files changed, 1037 insertions(+) create mode 100644 board/adder/Makefile create mode 100644 board/adder/adder.c create mode 100644 board/adder/config.mk create mode 100644 board/adder/u-boot.lds create mode 100644 board/mx1ads/Makefile create mode 100644 board/mx1ads/config.mk create mode 100644 board/mx1ads/memsetup.S create mode 100644 board/mx1ads/mx1ads.c create mode 100644 board/mx1ads/syncflash.c create mode 100644 board/mx1ads/u-boot.lds (limited to 'board') diff --git a/board/adder/Makefile b/board/adder/Makefile new file mode 100644 index 000000000..9123a8026 --- /dev/null +++ b/board/adder/Makefile @@ -0,0 +1,46 @@ +# +# Copyright (C) 2004 Arabella Software Ltd. +# Yuli Barcohen +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := $(BOARD).o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/adder/adder.c b/board/adder/adder.c new file mode 100644 index 000000000..cab6e2f66 --- /dev/null +++ b/board/adder/adder.c @@ -0,0 +1,107 @@ +/* + * Copyright (C) 2004 Arabella Software Ltd. + * Yuli Barcohen + * + * Support for Analogue&Micro Adder boards family. + * Tested on AdderII and Adder87x. + * + * 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 +#include + +/* + * SDRAM is single Samsung K4S643232F-T70 chip. + * Minimal CPU frequency is 40MHz. + */ +static uint sdram_table[] = { + /* Single read (offset 0x00 in UPM RAM) */ + 0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xe0bbbc00, + 0x10f77c44, 0xf3fffc07, 0xfffffc04, 0xfffffc04, + + /* Burst read (offset 0x08 in UPM RAM) */ + 0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xf0affc00, + 0xf0affc00, 0xf0affc00, 0xf0affc00, 0x10a77c44, + 0xf7bffc47, 0xfffffc35, 0xfffffc34, 0xfffffc35, + 0xfffffc35, 0x1ff77c35, 0xfffffc34, 0x1fb57c35, + + /* Single write (offset 0x18 in UPM RAM) */ + 0x1f27fc24, 0xe0aebc04, 0x00b93c00, 0x13f77c47, + 0xfffdfc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, + + /* Burst write (offset 0x20 in UPM RAM) */ + 0x1f07fc24, 0xeeaebc00, 0x10ad7c00, 0xf0affc00, + 0xf0affc00, 0xe0abbc00, 0x1fb77c47, 0xfffffc04, + 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, + 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, + + /* Refresh (offset 0x30 in UPM RAM) */ + 0x1ff5fca4, 0xfffffc04, 0xfffffc04, 0xfffffc04, + 0xfffffc84, 0xfffffc07, 0xfffffc04, 0xfffffc04, + 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, + + /* Exception (offset 0x3C in UPM RAM) */ + 0xfffffc27, 0xfffffc04, 0xfffffc04, 0xfffffc04 +}; + +long int initdram (int board_type) +{ + long int msize = CFG_SDRAM_SIZE; + volatile immap_t *immap = (volatile immap_t *)CFG_IMMR; + volatile memctl8xx_t *memctl = &immap->im_memctl; + + upmconfig(UPMA, sdram_table, sizeof(sdram_table) / sizeof(uint)); + + /* Configure SDRAM refresh */ + memctl->memc_mptpr = MPTPR_PTP_DIV32; /* BRGCLK/32 */ + + memctl->memc_mamr = (94 << 24) | CFG_MAMR; + memctl->memc_mar = 0x0; + udelay(200); + + /* Run precharge from location 0x15 */ + memctl->memc_mcr = 0x80002115; + udelay(200); + + /* Run 8 refresh cycles */ + memctl->memc_mcr = 0x80002830; + udelay(200); + + memctl->memc_mar = 0x88; + udelay(200); + + /* Run MRS pattern from location 0x16 */ + memctl->memc_mcr = 0x80002116; + udelay(200); + + return msize; +} + +int checkboard( void ) +{ + puts("Board: Adder"); +#if defined(CONFIG_MPC885_FAMILY) + puts("87x\n"); +#elif defined(CONFIG_MPC866_FAMILY) + puts("II\n"); +#endif + + return 0; +} diff --git a/board/adder/config.mk b/board/adder/config.mk new file mode 100644 index 000000000..4691a69ef --- /dev/null +++ b/board/adder/config.mk @@ -0,0 +1,27 @@ +# +# Copyright (C) 2004 Arabella Software Ltd. +# Yuli Barcohen +# +# 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 +# + +# +# Analogue&Micro Adder boards family +# +TEXT_BASE = 0xFE000000 diff --git a/board/adder/u-boot.lds b/board/adder/u-boot.lds new file mode 100644 index 000000000..1d2a7d764 --- /dev/null +++ b/board/adder/u-boot.lds @@ -0,0 +1,122 @@ +/* + * (C) Copyright 2001-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Modified by Yuli Barcohen + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(powerpc) +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + cpu/mpc8xx/start.o (.text) + *(.text) + *(.fixup) + *(.got1) + . = ALIGN(16); + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} +ENTRY(_start) diff --git a/board/mx1ads/Makefile b/board/mx1ads/Makefile new file mode 100644 index 000000000..8a17702d0 --- /dev/null +++ b/board/mx1ads/Makefile @@ -0,0 +1,50 @@ +#/* +#* board/mx1ads/Makefile +#* +#* (c) Copyright 2004 +#* Techware Information Technology, Inc. +#* http://www.techware.com.tw/ +#* +#* Ming-Len Wu +#* +#* This program is free software; you can redistribute it and/or +#* modify it under the terms of the GNU General Public License as +#* published by the Free Software Foundation; either version 2 of +#* the License, or (at your option) any later version. +#* +#* This program is distributed in the hope that it will be useful, +#* but WITHOUT ANY WARRANTY; without even the implied warranty of +#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +#* GNU General Public License for more details. +#* +#* You should have received a copy of the GNU General Public License +#* along with this program; if not, write to the Free Software +#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, +#* MA 02111-1307 USA +#*/ + + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := mx1ads.o syncflash.o +SOBJS := memsetup.o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/mx1ads/config.mk b/board/mx1ads/config.mk new file mode 100644 index 000000000..16a0b84b2 --- /dev/null +++ b/board/mx1ads/config.mk @@ -0,0 +1,28 @@ +#/* +#* board/mx1ads/config.mk +#* +#* (c) Copyright 2004 +#* Techware Information Technology, Inc. +#* http://www.techware.com.tw/ +#* +#* Ming-Len Wu +#* +#* 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 +#*/ + + +TEXT_BASE = 0x08400000 + diff --git a/board/mx1ads/memsetup.S b/board/mx1ads/memsetup.S new file mode 100644 index 000000000..39b71fefe --- /dev/null +++ b/board/mx1ads/memsetup.S @@ -0,0 +1,82 @@ +/* + * board/mx1ads/memsetup.S + * + * (c) Copyright 2004 + * Techware Information Technology, Inc. + * http://www.techware.com.tw/ + * + * Ming-Len Wu + * + * 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 +#include + +#define SDCTL0 0x221000 +#define SDCTL1 0x221004 + + +_TEXT_BASE: + .word TEXT_BASE + +.globl memsetup +memsetup: +/* memory controller init */ + + ldr r1, =SDCTL0 + +/* Set Precharge Command */ + + ldr r3, =0x92120200 +/* ldr r3, =0x92120251 +*/ + str r3, [r1] + +/* Issue Precharge All Commad */ + ldr r3, =0x8200000 + ldr r2, [r3] + +/* Set AutoRefresh Command */ + ldr r3, =0xA2120200 + str r3, [r1] + +/* Issue AutoRefresh Command */ + ldr r3, =0x8000000 + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + +/* Set Mode Register */ + ldr r3, =0xB2120200 + str r3, [r1] + +/* Issue Mode Register Command */ + ldr r3, =0x08111800 /* Mode Register Value */ + ldr r2, [r3] + +/* Set Normal Mode */ + ldr r3, =0x82124200 + str r3, [r1] + +/* everything is fine now */ + mov pc, lr + diff --git a/board/mx1ads/mx1ads.c b/board/mx1ads/mx1ads.c new file mode 100644 index 000000000..567f88a7b --- /dev/null +++ b/board/mx1ads/mx1ads.c @@ -0,0 +1,183 @@ +/* + * board/mx1ads/mx1ads.c + * + * (c) Copyright 2004 + * Techware Information Technology, Inc. + * http://www.techware.com.tw/ + * + * Ming-Len Wu + * + * 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 +#include + +/* ------------------------------------------------------------------------- */ + +#define FCLK_SPEED 1 + +#if FCLK_SPEED==0 /* Fout = 203MHz, Fin = 12MHz for Audio */ +#define M_MDIV 0xC3 +#define M_PDIV 0x4 +#define M_SDIV 0x1 +#elif FCLK_SPEED==1 /* Fout = 202.8MHz */ +#define M_MDIV 0xA1 +#define M_PDIV 0x3 +#define M_SDIV 0x1 +#endif + +#define USB_CLOCK 1 + +#if USB_CLOCK==0 +#define U_M_MDIV 0xA1 +#define U_M_PDIV 0x3 +#define U_M_SDIV 0x1 +#elif USB_CLOCK==1 +#define U_M_MDIV 0x48 +#define U_M_PDIV 0x3 +#define U_M_SDIV 0x2 +#endif + +#if 0 + +static inline void delay (unsigned long loops) { + __asm__ volatile ("1:\n" + "subs %0, %1, #1\n" + "bne 1b":"=r" (loops):"0" (loops)); +} + +#endif + +/* + * Miscellaneous platform dependent initialisations + */ + + +void SetAsynchMode(void) { + __asm__ ( + "mrc p15,0,r0,c1,c0,0 \n" + "mov r2, #0xC0000000 \n" + "orr r0,r2,r0 \n" + "mcr p15,0,r0,c1,c0,0 \n" + ); +} + +static u32 mc9328sid; + +int board_init (void) { + + DECLARE_GLOBAL_DATA_PTR; + + volatile unsigned int tmp; + + mc9328sid = MX1_SIDR; + + MX1_GPCR = 0x000003AB; /* I/O pad driving strength */ + +/* MX1_CS1U = 0x00000A00; */ /* SRAM initialization */ +/* MX1_CS1L = 0x11110601; */ + + + MX1_MPCTL0 = 0x04632410; /* setting for 150 MHz MCU PLL CLK */ + +/* MX1_MPCTL0 = 0x003f1437; *//* setting for 192 MHz MCU PLL CLK */ + + + +/* set FCLK divider 1 (i.e. FCLK to MCU PLL CLK) and + * BCLK divider to 2 (i.e. BCLK to 48 MHz) + */ + MX1_CSCR = 0xAF000403; + + MX1_CSCR |= 0x00200000; /* Trigger the restart bit(bit 21) */ + MX1_CSCR &= 0xFFFF7FFF; /* Program PRESC bit(bit 15) to 0 to divide-by-1 */ + +/* setup cs4 for cs8900 ethernet */ + + MX1_CS4U = 0x00000F00; /* Initialize CS4 for CS8900 ethernet */ + MX1_CS4L = 0x00001501; + + MX1_GIUS_A &= 0xFF3FFFFF; + MX1_GPR_A &= 0xFF3FFFFF; + + tmp = *(unsigned int *)(0x1500000C); + tmp = *(unsigned int *)(0x1500000C); + +/* setup timer 1 as system timer */ + + MX1_TPRER1 = 0x1f; /* divide by 32 */ + MX1_TCTL1 = 0x19; /* clock in from 32k Osc. */ + + + SetAsynchMode(); + + gd->bd->bi_arch_number = 160; /* Arch number of MX1ADS Board */ + + gd->bd->bi_boot_params = 0x08000100; /* adress of boot parameters */ + + icache_enable(); + dcache_enable(); + +/* set PERCLKs */ + MX1_PCDR = 0x00000055; /* set PERCLKS */ + +/* PERCLK3 is only used by SSI so the SSI driver can set it any value it likes + * PERCLK1 and PERCLK2 are shared so DO NOT change it in any other place + * all sources selected as normal interrupt + */ + MX1_INTTYPEH = 0; + MX1_INTTYPEL = 0; + + return 0; +} + + +int board_late_init(void) { + + setenv("stdout", "serial"); + setenv("stderr", "serial"); + + switch (mc9328sid) { + case 0x0005901d : + printf ("MX1ADS board with MC9328 MX1 (0L44N), Silicon ID 0x%08x \n\n",mc9328sid); + break; + case 0x04d4c01d : + printf ("MX1ADS board with MC9328 MXL (1L45N), Silicon ID 0x%08x \n\n",mc9328sid); + break; + case 0x00d4c01d : + printf ("MX1ADS board with MC9328 MXL (2L45N), Silicon ID 0x%08x \n\n",mc9328sid); + break; + + default : + printf ("MX1ADS board with UNKNOWN MC9328 cpu, Silicon ID 0x%08x \n",mc9328sid); + break; + + } + + return 0; +} + + +int dram_init (void) { + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return 0; +} diff --git a/board/mx1ads/syncflash.c b/board/mx1ads/syncflash.c new file mode 100644 index 000000000..afbe78653 --- /dev/null +++ b/board/mx1ads/syncflash.c @@ -0,0 +1,334 @@ +/* + * board/mx1ads/syncflash.c + * + * (c) Copyright 2004 + * Techware Information Technology, Inc. + * http://www.techware.com.tw/ + * + * Ming-Len Wu + * + * 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 +#include + +typedef unsigned long * p_u32; + +/* 4Mx16x2 IAM=0 CSD1 */ + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/* Following Setting is for CSD1 */ +#define SFCTL 0x00221004 +#define reg_SFCTL __REG(SFCTL) + +#define SYNCFLASH_A10 (0x00100000) + +#define CMD_NORMAL (0x81020300) /* Normal Mode */ +#define CMD_PREC (CMD_NORMAL + 0x10000000) /* Precharge Command */ +#define CMD_AUTO (CMD_NORMAL + 0x20000000) /* Auto Refresh Command */ +#define CMD_LMR (CMD_NORMAL + 0x30000000) /* Load Mode Register Command */ +#define CMD_LCR (CMD_NORMAL + 0x60000000) /* LCR Command */ +#define CMD_PROGRAM (CMD_NORMAL + 0x70000000) + +#define MODE_REG_VAL (CFG_FLASH_BASE+0x0008CC00) /* Cas Latency 3 */ + +/* LCR Command */ +#define LCR_READSTATUS (0x0001C000) /* 0x70 */ +#define LCR_ERASE_CONFIRM (0x00008000) /* 0x20 */ +#define LCR_ERASE_NVMODE (0x0000C000) /* 0x30 */ +#define LCR_PROG_NVMODE (0x00028000) /* 0xA0 */ +#define LCR_SR_CLEAR (0x00014000) /* 0x50 */ + + +/* Get Status register */ +u32 SF_SR(void) { + u32 tmp,tmp1; + + reg_SFCTL = CMD_PROGRAM; + tmp = __REG(CFG_FLASH_BASE); + + reg_SFCTL = CMD_NORMAL; + + reg_SFCTL = CMD_LCR; /* Activate LCR Mode */ + tmp1 = __REG(CFG_FLASH_BASE + LCR_SR_CLEAR); + + return tmp; +} + +/* check if SyncFlash is ready */ +u8 SF_Ready(void) { + u32 tmp; + + tmp = SF_SR(); + + if ((tmp & 0x00800000) && (tmp & 0x001C0000)) { + printf ("SyncFlash Error code %08x\n",tmp); + }; + + if ((tmp & 0x00000080) && (tmp & 0x0000001C)) { + printf ("SyncFlash Error code %08x\n",tmp); + + }; + + if (tmp == 0x00800080) /* Test Bit 7 of SR */ + return 1; + else + return 0; +} + +/* Issue the precharge all command */ +void SF_PrechargeAll(void) { + + u32 tmp; + + reg_SFCTL = CMD_PREC; /* Set Precharge Command */ + tmp = __REG(CFG_FLASH_BASE + SYNCFLASH_A10); /* Issue Precharge All Command */ + +} + +/* set SyncFlash to normal mode */ +void SF_Normal(void) { + + SF_PrechargeAll(); + + reg_SFCTL = CMD_NORMAL; +} + +/* Erase SyncFlash */ +void SF_Erase(u32 RowAddress) { + u32 tmp; + + reg_SFCTL = CMD_NORMAL; + tmp = __REG(RowAddress); + + reg_SFCTL = CMD_PREC; + tmp = __REG(RowAddress); + + reg_SFCTL = CMD_LCR; /* Set LCR mode */ + __REG(RowAddress + LCR_ERASE_CONFIRM) = 0; /* Issue Erase Setup Command */ + + reg_SFCTL = CMD_NORMAL; /* return to Normal mode */ + __REG(RowAddress) = 0xD0D0D0D0; /* Confirm */ + + while(!SF_Ready()); +} + + +void SF_NvmodeErase(void) { + SF_PrechargeAll(); + + reg_SFCTL = CMD_LCR; /* Set to LCR mode */ + __REG(CFG_FLASH_BASE + LCR_ERASE_NVMODE) = 0; /* Issue Erase Nvmode Reg Command */ + + reg_SFCTL = CMD_NORMAL; /* Return to Normal mode */ + __REG(CFG_FLASH_BASE + LCR_ERASE_NVMODE) = 0xC0C0C0C0; /* Confirm */ + + while(!SF_Ready()); +} + +void SF_NvmodeWrite(void) { + SF_PrechargeAll(); + + reg_SFCTL = CMD_LCR; /* Set to LCR mode */ + __REG(CFG_FLASH_BASE+LCR_PROG_NVMODE) = 0; /* Issue Program Nvmode reg command */ + + reg_SFCTL = CMD_NORMAL; /* Return to Normal mode */ + __REG(CFG_FLASH_BASE+LCR_PROG_NVMODE) = 0xC0C0C0C0; /* Confirm not needed */ + +} + + +/****************************************************************************************/ + +ulong flash_init(void) { + int i, j; + u32 tmp; + +/* Turn on CSD1 for negating RESETSF of SyncFLash */ + + reg_SFCTL |= 0x80000000; /* enable CSD1 for SyncFlash */ + udelay(200); + + reg_SFCTL = CMD_LMR; /* Set Load Mode Register Command */ + tmp = __REG(MODE_REG_VAL); /* Issue Load Mode Register Command */ + + SF_Normal(); + + i = 0; + + flash_info[i].flash_id = FLASH_MAN_MT | FLASH_MT28S4M16LC; + + flash_info[i].size = FLASH_BANK_SIZE; + flash_info[i].sector_count = CFG_MAX_FLASH_SECT; + + memset(flash_info[i].protect, 0, CFG_MAX_FLASH_SECT); + + for (j = 0; j < flash_info[i].sector_count; j++) { + flash_info[i].start[j] = CFG_FLASH_BASE + j * 0x00100000; + } + + flash_protect(FLAG_PROTECT_SET, + CFG_FLASH_BASE, + CFG_FLASH_BASE + monitor_flash_len - 1, + &flash_info[0]); + + flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SIZE - 1, + &flash_info[0]); + + return FLASH_BANK_SIZE; +} + + +void flash_print_info (flash_info_t *info) { + + int i; + + switch (info->flash_id & FLASH_VENDMASK) { + case (FLASH_MAN_MT & FLASH_VENDMASK): + printf("Micron: "); + break; + default: + printf("Unknown Vendor "); + break; + } + + + switch (info->flash_id & FLASH_TYPEMASK) { + case (FLASH_MT28S4M16LC & FLASH_TYPEMASK): + printf("2x FLASH_MT28S4M16LC (16MB Total)\n"); + break; + default: + printf("Unknown Chip Type\n"); + return; + break; + } + + printf(" Size: %ld MB in %d Sectors\n", + info->size >> 20, info->sector_count); + + printf(" Sector Start Addresses: "); + + for (i = 0; i < info->sector_count; i++) { + if ((i % 5) == 0) + printf ("\n "); + + printf (" %08lX%s", info->start[i], + info->protect[i] ? " (RO)" : " "); + } + + printf ("\n"); +} + + +/*-----------------------------------------------------------------------*/ + +int flash_erase (flash_info_t *info, int s_first, int s_last) { + int iflag, cflag, prot, sect; + int rc = ERR_OK; + +/* first look for protection bits */ + + if (info->flash_id == FLASH_UNKNOWN) + return ERR_UNKNOWN_FLASH_TYPE; + + if ((s_first < 0) || (s_first > s_last)) + return ERR_INVAL; + + if ((info->flash_id & FLASH_VENDMASK) != (FLASH_MAN_MT & FLASH_VENDMASK)) + return ERR_UNKNOWN_FLASH_VENDOR; + + prot = 0; + + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) + prot++; + } + + if (prot) { + printf("protected!\n"); + return ERR_PROTECTED; + } +/* + * Disable interrupts which might cause a timeout + * here. Remember that our exception vectors are + * at address 0 in the flash, and we don't want a + * (ticker) exception to happen while the flash + * chip is in programming mode. + */ + + cflag = icache_status(); + icache_disable(); + iflag = disable_interrupts(); + +/* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last && !ctrlc(); sect++) { + + printf("Erasing sector %2d ... ", sect); + +/* arm simple, non interrupt dependent timer */ + + reset_timer_masked(); + + SF_NvmodeErase(); + SF_NvmodeWrite(); + + SF_Erase(CFG_FLASH_BASE + (0x0100000 * sect)); + SF_Normal(); + + printf("ok.\n"); + } + + if (ctrlc()) + printf("User Interrupt!\n"); + + if (iflag) + enable_interrupts(); + + if (cflag) + icache_enable(); + + return rc; +} + + + +/*----------------------------------------------------------------------- + * Copy memory to flash. + */ + +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) { + int i; + + for(i = 0; i < cnt; i += 4) { + + SF_PrechargeAll(); + + reg_SFCTL = CMD_PROGRAM; /* Enter SyncFlash Program mode */ + __REG(addr + i) = __REG((u32)src + i); + + while(!SF_Ready()); + } + + SF_Normal(); + + return ERR_OK; +} + + diff --git a/board/mx1ads/u-boot.lds b/board/mx1ads/u-boot.lds new file mode 100644 index 000000000..946994d50 --- /dev/null +++ b/board/mx1ads/u-boot.lds @@ -0,0 +1,58 @@ +/* + * board/mx1ads/u-boot.lds + * + * (c) Copyright 2004 + * Techware Information Technology, Inc. + * http://www.techware.com.tw/ + * + * Ming-Len Wu + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/mc9328/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} -- cgit v1.2.3