diff options
Diffstat (limited to 'board/armadillo')
| -rw-r--r-- | board/armadillo/Makefile | 48 | ||||
| -rw-r--r-- | board/armadillo/armadillo.c | 62 | ||||
| -rw-r--r-- | board/armadillo/config.mk | 29 | ||||
| -rw-r--r-- | board/armadillo/flash.c | 338 | ||||
| -rw-r--r-- | board/armadillo/lowlevel_init.S | 66 | ||||
| -rw-r--r-- | board/armadillo/u-boot.lds | 55 |
6 files changed, 598 insertions, 0 deletions
diff --git a/board/armadillo/Makefile b/board/armadillo/Makefile new file mode 100644 index 0000000000..52ea7f28d4 --- /dev/null +++ b/board/armadillo/Makefile @@ -0,0 +1,48 @@ +# +# (C) Copyright 2002 +# Sysgo Real-Time Solutions, GmbH <www.elinos.com> +# Marius Groeger <mgroeger@sysgo.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 $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := armadillo.o flash.o +SOBJS := lowlevel_init.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/armadillo/armadillo.c b/board/armadillo/armadillo.c new file mode 100644 index 0000000000..de04c66385 --- /dev/null +++ b/board/armadillo/armadillo.c @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2005 Rowel Atienza <rowel@diwalabs.com> + * Armadillo board HT1070 + * + * 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 <clps7111.h> + +/* ------------------------------------------------------------------------- */ + + +/* + * Miscelaneous platform dependent initialisations + */ + +int board_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + /* Activate LED flasher */ + IO_LEDFLSH = 0x40; + + /* arch number MACH_TYPE_ARMADILLO - not official*/ + gd->bd->bi_arch_number = 83; + + /* location of boot parameters */ + gd->bd->bi_boot_params = 0xc0000100; + + 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/armadillo/config.mk b/board/armadillo/config.mk new file mode 100644 index 0000000000..23c432f165 --- /dev/null +++ b/board/armadillo/config.mk @@ -0,0 +1,29 @@ +# +# (C) Copyright 2000 +# Sysgo Real-Time Solutions, GmbH <www.elinos.com> +# Marius Groeger <mgroeger@sysgo.de> +# +# (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 +# + +#address where u-boot will be relocated +TEXT_BASE = 0xc0f80000 diff --git a/board/armadillo/flash.c b/board/armadillo/flash.c new file mode 100644 index 0000000000..037a6430da --- /dev/null +++ b/board/armadillo/flash.c @@ -0,0 +1,338 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2005 Rowel Atienza <rowel@diwalabs.com> + * Flash driver for armadillo board HT1070 + * + * 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> + +#define FLASH_BANK_SIZE 0x400000 + +/*value used by hermit is 0x200*/ +/*document says sector size is either 64k in low mem reg and 8k in high mem reg*/ +#define MAIN_SECT_SIZE 0x10000 + +#define UNALIGNED_MASK (3) +#define FL_WORD(addr) (*(volatile unsigned short*)(addr)) +#define FLASH_TIMEOUT 20000000 + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; + +/*----------------------------------------------------------------------- + */ + +ulong flash_init (void) +{ + int i, j; + ulong size = 0; + + for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { + ulong flashbase = 0; + + flash_info[i].flash_id = (FUJ_MANUFACT & FLASH_VENDMASK); + /*(INTEL_ID_28F128J3 & FLASH_TYPEMASK); */ + 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); + if (i == 0) + flashbase = PHYS_FLASH_1; + else + panic ("configured too many flash banks!\n"); + for (j = 0; j < flash_info[i].sector_count; j++) { + flash_info[i].start[j] = + flashbase + j * MAIN_SECT_SIZE; + } + size += flash_info[i].size; + } + + /* Protect monitor and environment sectors + */ + 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 size; +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t * info) +{ + int i; + + switch (info->flash_id & FLASH_VENDMASK) { + case (FUJ_MANUFACT & FLASH_VENDMASK): + printf ("Fujitsu: "); + break; + default: + printf ("Unknown Vendor "); + break; + } +/* + switch (info->flash_id & FLASH_TYPEMASK) { + case (INTEL_ID_28F128J3 & FLASH_TYPEMASK): + printf ("28F128J3 (128Mbit)\n"); + break; + default: + printf ("Unknown Chip Type\n"); + goto Done; + 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"); + +/* +Done: ; +*/ +} + +/* + * * Loop until both write state machines complete. + * */ +static unsigned short flash_status_wait (unsigned long addr, + unsigned short value) +{ + unsigned short status; + long timeout = FLASH_TIMEOUT; + + while (((status = (FL_WORD (addr))) != value) && timeout > 0) { + timeout--; + } + return status; +} + +/* + * Loop until the Write State machine is ready, then do a full error + * check. Clear status and leave the flash in Read Array mode; return + * 0 for no error, -1 for error. + */ +static int flash_status_full_check (unsigned long addr, unsigned short value1, + unsigned short value2) +{ + unsigned short status1, status2; + + status1 = flash_status_wait (addr, value1); + status2 = flash_status_wait (addr + 2, value2); + return (status1 != value1 || status2 != value2) ? -1 : 0; +} + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t * info, int s_first, int s_last) +{ + int flag, prot, sect; + int rc = ERR_OK; + unsigned long base; + unsigned long addr; + + if ((info->flash_id & FLASH_VENDMASK) != + (FUJ_MANUFACT & FLASH_VENDMASK)) { + return ERR_UNKNOWN_FLASH_VENDOR; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + if (prot) + 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. + */ + flag = disable_interrupts (); + + printf ("Erasing %d sectors starting at sector %2d.\n" + "This make take some time ... ", + s_last - s_first, sect); + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last && !ctrlc (); sect++) { + /* ARM simple, non interrupt dependent timer */ + reset_timer_masked (); + + if (info->protect[sect] == 0) { /* not protected */ + + addr = sect * MAIN_SECT_SIZE; + addr &= ~(unsigned long) UNALIGNED_MASK; /* word align */ + base = addr & 0xF0000000; + + FL_WORD (base + (0x555 << 1)) = 0xAA; + FL_WORD (base + (0x2AA << 1)) = 0x55; + FL_WORD (base + (0x555 << 1)) = 0x80; + FL_WORD (base + (0x555 << 1)) = 0xAA; + FL_WORD (base + (0x2AA << 1)) = 0x55; + FL_WORD (addr) = 0x30; + if (flash_status_full_check (addr, 0xFFFF, 0xFFFF)) + return ERR_PROTECTED; + } + } + printf ("\nDone.\n"); + if (ctrlc ()) + printf ("User Interrupt!\n"); + + /* allow flash to settle - wait 10 ms */ + udelay_masked (10000); + + if (flag) + enable_interrupts (); + + return rc; +} + + +/*----------------------------------------------------------------------- + * Copy memory to flash + */ + +static int write_word (flash_info_t * info, ulong dest, ushort data) +{ + int flag; + unsigned long base; + + /* Check if Flash is (sufficiently) erased + */ + if ((FL_WORD (dest) & data) != data) + return ERR_NOT_ERASED; + + /*if(dest & UNALIGNED_MASK) return ERR_ALIGN; */ + + /* + * 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. + */ + flag = disable_interrupts (); + + /* arm simple, non interrupt dependent timer */ + reset_timer_masked (); + + base = dest & 0xF0000000; + FL_WORD (base + (0x555 << 1)) = 0xAA; + FL_WORD (base + (0x2AA << 1)) = 0x55; + FL_WORD (base + (0x555 << 1)) = 0xA0; + FL_WORD (dest) = data; + /*printf("writing 0x%p = 0x%x\n",dest,data); */ + if (flash_status_wait (dest, data) != data) + return ERR_PROG_ERROR; + + if (flag) + enable_interrupts (); + + return ERR_OK; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash. + */ + +int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + ulong cp, wp; + ushort data; + int l; + int i, rc; + + wp = (addr & ~1); /* get lower word aligned address */ + printf ("Writing %d short data to 0x%p from 0x%p.\n ", cnt, wp, src); + + /* + * 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 << 8); + } + for (; i < 2 && cnt > 0; ++i) { + data = (data >> 8) | (*src++ << 8); + --cnt; + ++cp; + } + for (; cnt == 0 && i < 2; ++i, ++cp) { + data = (data >> 8) | (*(uchar *) cp << 8); + } + + if ((rc = write_word (info, wp, data)) != 0) { + return (rc); + } + wp += 2; + } + + /* + * handle word aligned part + */ + while (cnt >= 2) { + data = *((vu_short *) src); + if ((rc = write_word (info, wp, data)) != 0) { + return (rc); + } + src += 2; + wp += 2; + cnt -= 2; + } + + if (cnt == 0) { + printf ("\nDone.\n"); + return ERR_OK; + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) { + data = (data >> 8) | (*src++ << 8); + --cnt; + } + for (; i < 2; ++i, ++cp) { + data = (data >> 8) | (*(uchar *) cp << 8); + } + + return write_word (info, wp, data); +} diff --git a/board/armadillo/lowlevel_init.S b/board/armadillo/lowlevel_init.S new file mode 100644 index 0000000000..6cf642611c --- /dev/null +++ b/board/armadillo/lowlevel_init.S @@ -0,0 +1,66 @@ +/* + * Initialization stuff - taken from hermit + * (C) Copyright 2005 Rowel Atienza <rowel@diwalabs.com> + * Armadillo board HT1070 + * + * 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> + + +/* some parameters for the board */ +/* setting up the memory */ +#define SRAM_START 0x60000000 +#define SRAM_SIZE 0x0000c000 + +.globl lowlevel_init +lowlevel_init: + mov r0, #0x70 /* 32-bit code + data, MMU mandatory */ + mcr p15, 0, r0, c1, c0, 0 /* MMU init */ + + mov r0, #0 + mcr p15, 0, r0, c7, c7, 0 /* flush v3/v4 cache */ + mcr p15, 0, r0, c8, c7, 0 /* flush v4 TLB */ + + mov r0, #0x80000000 /* I/O base */ + + mov r1, #0x6 /* CLKCTL_73 in SYSCON3 */ + add r2, r0, #0x2200 /* address of SYSCON3 in r2 */ + str r1, [r2] /* set clock speed to 73.728 MHz */ + + mov r1, #0x81 /* 64KHz DRAM refresh period */ + str r1, [r0, #0x200] /* set DRFPR */ + + mov r1, #0x500 /* permanent enable, 16bits wide */ + add r1, r1, #0x42 /* 128Mbit, CAS lat = 2 SDRAM */ + add r2, r0, #0x2300 /* load address in r2 */ + str r1, [r2] + + mov r1, #0x100 /* SDRAM refresh rate */ + add r2, r0, #0x2340 /* load address in r2 */ + str r1, [r2] + + mov sp, #SRAM_START /* init stack pointer */ + add sp, sp, #SRAM_SIZE + + /* everything is fine now */ + mov pc, lr diff --git a/board/armadillo/u-boot.lds b/board/armadillo/u-boot.lds new file mode 100644 index 0000000000..64d946c439 --- /dev/null +++ b/board/armadillo/u-boot.lds @@ -0,0 +1,55 @@ +/* + * (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 + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/arm720t/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 = .; +} |