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author | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
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committer | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
commit | 92988a21ad4c4c9504295ccb580c9f806134471b (patch) | |
tree | 5effc9f14170112450de05c67dafbe8d5034d595 /u-boot/board/impa7 | |
parent | ca2b506783b676c95762c54ea24dcfdaae1947c9 (diff) | |
download | bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.zip bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.gz bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.bz2 |
added boot script files to repository
Diffstat (limited to 'u-boot/board/impa7')
-rw-r--r-- | u-boot/board/impa7/Makefile | 51 | ||||
-rw-r--r-- | u-boot/board/impa7/config.mk | 28 | ||||
-rw-r--r-- | u-boot/board/impa7/flash.c | 357 | ||||
-rw-r--r-- | u-boot/board/impa7/impa7.c | 71 | ||||
-rw-r--r-- | u-boot/board/impa7/lowlevel_init.S | 85 |
5 files changed, 592 insertions, 0 deletions
diff --git a/u-boot/board/impa7/Makefile b/u-boot/board/impa7/Makefile new file mode 100644 index 0000000..79b12a2 --- /dev/null +++ b/u-boot/board/impa7/Makefile @@ -0,0 +1,51 @@ +# +# (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 := impa7.o flash.o +SOBJS := lowlevel_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)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/u-boot/board/impa7/config.mk b/u-boot/board/impa7/config.mk new file mode 100644 index 0000000..15e7f04 --- /dev/null +++ b/u-boot/board/impa7/config.mk @@ -0,0 +1,28 @@ +# +# (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 +# + +CONFIG_SYS_TEXT_BASE = 0xc1780000 diff --git a/u-boot/board/impa7/flash.c b/u-boot/board/impa7/flash.c new file mode 100644 index 0000000..d0c5880 --- /dev/null +++ b/u-boot/board/impa7/flash.c @@ -0,0 +1,357 @@ +/* + * (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 <common.h> + +#define FLASH_BANK_SIZE 0x800000 +#define MAIN_SECT_SIZE 0x20000 +#define PARAM_SECT_SIZE 0x4000 + +flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; + + +/*----------------------------------------------------------------------- + */ + +ulong flash_init (void) +{ + int i, j; + ulong size = 0; + + for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { + ulong flashbase = 0; + + flash_info[i].flash_id = + (INTEL_MANUFACT & FLASH_VENDMASK) | + (INTEL_ID_28F320B3T & FLASH_TYPEMASK); + flash_info[i].size = FLASH_BANK_SIZE; + flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT; + memset (flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT); + if (i == 0) + flashbase = PHYS_FLASH_1; + else if (i == 1) + flashbase = PHYS_FLASH_2; + else + panic ("configured too many flash banks!\n"); + for (j = 0; j < flash_info[i].sector_count; j++) { + if (j <= 7) { + flash_info[i].start[j] = + flashbase + j * PARAM_SECT_SIZE; + } else { + flash_info[i].start[j] = + flashbase + (j - 7) * MAIN_SECT_SIZE; + } + } + size += flash_info[i].size; + } + + /* Protect monitor and environment sectors + */ + flash_protect (FLAG_PROTECT_SET, + CONFIG_SYS_FLASH_BASE, + CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, + &flash_info[0]); + + flash_protect (FLAG_PROTECT_SET, + CONFIG_ENV_ADDR, + CONFIG_ENV_ADDR + CONFIG_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 (INTEL_MANUFACT & FLASH_VENDMASK): + printf ("Intel: "); + break; + default: + printf ("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case (INTEL_ID_28F320B3T & FLASH_TYPEMASK): + printf ("28F320F3B (16Mbit)\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:; +} + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t * info, int s_first, int s_last) +{ + int flag, prot, sect; + int rc = ERR_OK; + + 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) != + (INTEL_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 (); + + /* 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 (); + + if (info->protect[sect] == 0) { /* not protected */ + vu_long *addr = (vu_long *) (info->start[sect]); + + *addr = 0x00200020; /* erase setup */ + *addr = 0x00D000D0; /* erase confirm */ + + while ((*addr & 0x00800080) != 0x00800080) { + if (get_timer_masked () > + CONFIG_SYS_FLASH_ERASE_TOUT) { + *addr = 0x00B000B0; /* suspend erase */ + *addr = 0x00FF00FF; /* reset to read mode */ + rc = ERR_TIMOUT; + goto outahere; + } + } + + *addr = 0x00FF00FF; /* reset to read mode */ + } + printf ("ok.\n"); + } + if (ctrlc ()) + printf ("User Interrupt!\n"); + + outahere: + + /* 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, ulong data) +{ + vu_long *addr = (vu_long *) dest; + ulong barf; + int rc = ERR_OK; + int flag; + + /* Check if Flash is (sufficiently) erased + */ + if ((*addr & data) != data) + return ERR_NOT_ERASED; + + /* + * 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 (); + + /* clear status register command */ + *addr = 0x00500050; + + /* program set-up command */ + *addr = 0x00400040; + + /* latch address/data */ + *addr = data; + + /* arm simple, non interrupt dependent timer */ + reset_timer_masked (); + + /* read status register command */ + *addr = 0x00700070; + + /* wait while polling the status register */ + while ((*addr & 0x00800080) != 0x00800080) { + if (get_timer_masked () > CONFIG_SYS_FLASH_WRITE_TOUT) { + rc = ERR_TIMOUT; + /* suspend program command */ + *addr = 0x00B000B0; + goto outahere; + } + + if (*addr & 0x003A003A) { /* check for error */ + barf = *addr; + if (barf & 0x003A0000) { + barf >>= 16; + } else { + barf &= 0x0000003A; + } + printf ("\nFlash write error %02lx at address %08lx\n", barf, (unsigned long) dest); + if (barf & 0x0002) { + printf ("Block locked, not erased.\n"); + rc = ERR_NOT_ERASED; + goto outahere; + } + if (barf & 0x0010) { + printf ("Programming error.\n"); + rc = ERR_PROG_ERROR; + goto outahere; + } + if (barf & 0x0008) { + printf ("Vpp Low error.\n"); + rc = ERR_PROG_ERROR; + goto outahere; + } + rc = ERR_PROG_ERROR; + goto outahere; + } + } + + + outahere: + /* read array command */ + *addr = 0x00FF00FF; + + if (flag) + enable_interrupts (); + + return rc; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash. + */ + +int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + ulong cp, wp, data; + int l; + int i, 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 << 24); + } + for (; i < 4 && cnt > 0; ++i) { + data = (data >> 8) | (*src++ << 24); + --cnt; + ++cp; + } + for (; cnt == 0 && i < 4; ++i, ++cp) { + data = (data >> 8) | (*(uchar *) cp << 24); + } + + if ((rc = write_word (info, wp, data)) != 0) { + return (rc); + } + wp += 4; + } + + /* + * handle word aligned part + */ + while (cnt >= 4) { + data = *((vu_long *) src); + if ((rc = write_word (info, wp, data)) != 0) { + return (rc); + } + src += 4; + wp += 4; + cnt -= 4; + } + + if (cnt == 0) { + return ERR_OK; + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) { + data = (data >> 8) | (*src++ << 24); + --cnt; + } + for (; i < 4; ++i, ++cp) { + data = (data >> 8) | (*(uchar *) cp << 24); + } + + return write_word (info, wp, data); +} diff --git a/u-boot/board/impa7/impa7.c b/u-boot/board/impa7/impa7.c new file mode 100644 index 0000000..205b1b3 --- /dev/null +++ b/u-boot/board/impa7/impa7.c @@ -0,0 +1,71 @@ +/* + * (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 <common.h> +#include <netdev.h> +#include <clps7111.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ + + +/* + * Miscelaneous platform dependent initialisations + */ + +int board_init (void) +{ + /* Activate LED flasher */ + IO_LEDFLSH = 0x40; + + /* arch number of EP7111 */ + gd->bd->bi_arch_number = MACH_TYPE_EDB7211; + + /* location of boot parameters for EP7111 */ + gd->bd->bi_boot_params = 0xc0020100; + + return 0; +} + +int dram_init (void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; + + return (0); +} + +#ifdef CONFIG_CMD_NET +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_CS8900 + rc = cs8900_initialize(0, CONFIG_CS8900_BASE); +#endif + return rc; +} +#endif diff --git a/u-boot/board/impa7/lowlevel_init.S b/u-boot/board/impa7/lowlevel_init.S new file mode 100644 index 0000000..7ce10a2 --- /dev/null +++ b/u-boot/board/impa7/lowlevel_init.S @@ -0,0 +1,85 @@ +/* + * Memory Setup stuff - taken from ??? + * + * 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 */ + +SYSCON2: .long 0x80001100 +MEMCFG1: .long 0x80000180 +MEMCFG2: .long 0x800001C0 +DRFPR: .long 0x80000200 + +syscon2_mask: .long 0x00000004 +memcfg1_val: .long 0x160c1414 +memcfg2_mask: .long 0x0000ffff @ only set lower 16 bits +memcfg2_val: .long 0x00000000 @ upper 16 bits are reserved for CS7 + CS6 +drfpr_val: .long 0x00000081 +/* setting up the memory */ + +.globl lowlevel_init +lowlevel_init: + /* + * DRFPR + * 64kHz DRAM refresh + */ + ldr r0, DRFPR + ldr r1, drfpr_val + str r1, [r0] + + /* + * SYSCON2: clear bit 2, DRAM is 32 bits wide + */ + ldr r0, SYSCON2 + ldr r2, [r0] + ldr r1, syscon2_mask + bic r2, r2, r1 + str r2, [r0] + + /* + * MEMCFG1 + * Setting up Keyboard at CS3, 8 Bit, 3 Waitstates + * Setting up CS8900 (Ethernet) at CS2, 32 Bit, 5 Waitstates + * Setting up flash at CS0 and CS1, 32 Bit, 3 Waitstates + */ + ldr r0, MEMCFG1 + ldr r1, memcfg1_val + str r1, [r0] + + /* + * MEMCFG2 + * Setting up ? with 0 + * + */ + ldr r0, MEMCFG2 + ldr r2, [r0] + ldr r1, memcfg2_mask + bic r2, r2, r1 + ldr r1, memcfg2_val + orr r2, r2, r1 + str r2, [r0] + + /* everything is fine now */ + mov pc, lr |