From 466b74108f5344da0b9afb9b857a8f9e4cf4e656 Mon Sep 17 00:00:00 2001 From: wdenk Date: Sat, 10 Jul 2004 22:35:59 +0000 Subject: * Rename SBC8560 into sbc8560 for consistency * Patch by Daniel Poirot, 24 Jun 2004: Add support for Wind River's sbc8240 board * Patches by Yasushi Shoji, 26 Jun 2004: - drivers/serial_xuartlite.c: fix "return 0" in void function - add microblaze support to mkimage tool --- board/sbc8240/Makefile | 40 +++ board/sbc8240/README | 140 +++++++++++ board/sbc8240/config.mk | 30 +++ board/sbc8240/flash.c | 638 +++++++++++++++++++++++++++++++++++++++++++++++ board/sbc8240/sbc8240.c | 105 ++++++++ board/sbc8240/u-boot.lds | 133 ++++++++++ 6 files changed, 1086 insertions(+) create mode 100644 board/sbc8240/Makefile create mode 100644 board/sbc8240/README create mode 100644 board/sbc8240/config.mk create mode 100644 board/sbc8240/flash.c create mode 100644 board/sbc8240/sbc8240.c create mode 100644 board/sbc8240/u-boot.lds (limited to 'board/sbc8240') diff --git a/board/sbc8240/Makefile b/board/sbc8240/Makefile new file mode 100644 index 000000000..7a2014d46 --- /dev/null +++ b/board/sbc8240/Makefile @@ -0,0 +1,40 @@ +# +# (C) Copyright 2001 +# 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 $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS = $(BOARD).o flash.o + +$(LIB): .depend $(OBJS) + $(AR) crv $@ $(OBJS) + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/board/sbc8240/README b/board/sbc8240/README new file mode 100644 index 000000000..703565d86 --- /dev/null +++ b/board/sbc8240/README @@ -0,0 +1,140 @@ +The supported features of the SBC8240/8245 board are: + 8240 or 8245 processor + 66MHz & 100MHz bus speed + Decrementer timer + 1 UART channel (Console channel) + 8240 Interrupt Controller + 8240 PCI bridge + 8240 Memory Controller + SDRAM (16, 64 MB Memory DIMM) + FLASH 512K On board + FLASH 4MB On board + + +Memory Map from CPU point of view: + + Start Size Access to + ----------------------------------------------------- + 0x00000000 64MB SDRAM DIMM + 0xFF000000 4MB On Board FLASH + 0xFFF00000 512K On Board FLASH or SRAM (Configured by jumper) + 0xFFE00000 8K EEPROM + 0xFFE80000 8Bit LED + 0xFFF80000 8Bit UART + + +Setting the board Jumpers & Switches: + + In order to get the board running with the default configuration the + jumpers need to be set as follows: + + General Jumpers: + ____________________________________________ + | Jumpers | Jumpers | Jumpers | + |-------------|--------------|---------------| + |JP1 1-2 | JP14 1-2 | JP27 1-2 | + |JP5 Open | JP15 1-2 | JP28 2-3 | + |JP8 1-2 | JP16 1-2 | JP33 Open | + |JP9 1-2 | JP17 1-2 | JP37 Close | + |JP10 1-2 | JP18 1-2 | | + |JP11 2-3 | JP19 1-2 | | + |JP12 1-2 | JP20 1-2 | | + |JP13 1-2 | JP25 Open | | + |_____________|______________|_______________| + + Bus speed Jumpers: + _________________________ + | 100MHz Bus | 66 MHz Bus | + |------------|------------| + | JP2 1-2 | JP2 1-2 | + | JP3 1-2 | JP3 2-3 | + | JP4 1-2 | JP4 2-3 | + | JP6 1-2 | JP6 2-3 | + | JP7 1-2 | JP7 1-2 | + |____________|____________| + + +U-Boot 1.1.2 (Jun 24 2004 - 17:01:04) + +CPU: MPC8240 Revision 1.1 at 247.500 MHz: 16 kB I-Cache 16 kB D-Cache +Board: sbc8240 Revision 255 Local Bus at 99 MHz +DRAM: 64 MB +FLASH: 512 kB + 00 11 8086 1229 0200 00 +In: serial +Out: serial +Err: serial +Net: i82559#0 + +Welcome to U-Boot for the sbc8240 + +Type ? or help to get on-line help + +Hit any key to stop autoboot: 0 +=> printenv +bootcmd=version;echo;tftpboot $loadaddr $loadfile;bootvx +bootdelay=5 +baudrate=9600 +ethaddr=DE:AD:BE:EF:01:01 +ipaddr=192.168.193.102 +preboot=echo;echo Welcome to U-Boot for the sbc8240;echo;echo Type "? or help" to get on-line help;echo +netmask=255.255.255.248 +clocks_in_mhz=1 +bootargs=$fei(0,0)host:/T221ppc/target/config/sbc8240/vxWorks.st e=192.168.193.102 h=192.168.193.99 u=target pw=hello f=0x08 tn=sbc8240 o=fei +ipaddr=192.168.193.102 +loadfile=vxWorks.st +loadaddr=0x01000000 +net_load=tftpboot $loadaddr $loadfile +serverip=192.168.193.99 +ethact=i82559#0 +stdin=serial +stdout=serial +stderr=serial + +Environment size: 631/16380 bytes +=> boot + +U-Boot 1.1.2 (Jun 24 2004 - 17:01:04) + +Using i82559#0 device +TFTP from server 192.168.193.99; our IP address is 192.168.193.102 +Filename 'vxWorks.st'. +Load address: 0x1000000 +Loading: ################################################################# + ################################################################# + ############################################################## +done +Bytes transferred = 979927 (ef3d7 hex) +## Ethernet MAC address not copied to NV RAM +Loading .text @ 0x00100000 (758848 bytes) +Loading .data @ 0x001b9440 (79904 bytes) +Clearing .bss @ 0x001ccc60 (20288 bytes) +## Using bootline (@ 0x4200): $fei(0,0)host:/T221ppc/target/config/sbc8240/vxWorks.st e=192.168.193.102 h=192.168.193.99 u=target pw=hello f=0x08 tn=sbc8240 o=fei +## Starting vxWorks at 0x00100000 ... + +Adding 2845 symbols for standalone. + + + ]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]] + ]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]] + ]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]] + ]]]]]]]]]]] ]]]] ]]]]]]]]]] ]] ]]]] (R) + ] ]]]]]]]]] ]]]]]] ]]]]]]]] ]] ]]]] + ]] ]]]]]]] ]]]]]]]] ]]]]]] ] ]] ]]]] + ]]] ]]]]] ] ]]] ] ]]]] ]]] ]]]]]]]]] ]]]] ]] ]]]] ]] ]]]]] + ]]]] ]]] ]] ] ]]] ]] ]]]]] ]]]]]] ]] ]]]]]]] ]]]] ]] ]]]] + ]]]]] ] ]]]] ]]]]] ]]]]]]]] ]]]] ]] ]]]] ]]]]]]] ]]]] + ]]]]]] ]]]]] ]]]]]] ] ]]]]] ]]]] ]] ]]]] ]]]]]]]] ]]]] + ]]]]]]] ]]]]] ] ]]]]]] ] ]]] ]]]] ]] ]]]] ]]]] ]]]] ]]]] + ]]]]]]]] ]]]]] ]]] ]]]]]]] ] ]]]]]]] ]]]] ]]]] ]]]] ]]]]] + ]]]]]]]]]]]]]]]]]]]]]]]]]]]]]] + ]]]]]]]]]]]]]]]]]]]]]]]]]]]]] Development System + ]]]]]]]]]]]]]]]]]]]]]]]]]]]] + ]]]]]]]]]]]]]]]]]]]]]]]]]]] VxWorks version 5.5.1 + ]]]]]]]]]]]]]]]]]]]]]]]]]] KERNEL: WIND version 2.6 + ]]]]]]]]]]]]]]]]]]]]]]]]] Copyright Wind River Systems, Inc., 1984-2003 + + CPU: MPC8240 -- Wind River BSP. SBC8240 Board. Processor #0. + Memory Size: 0x2000000. BSP version 1.2/28. + +-> diff --git a/board/sbc8240/config.mk b/board/sbc8240/config.mk new file mode 100644 index 000000000..1e9796052 --- /dev/null +++ b/board/sbc8240/config.mk @@ -0,0 +1,30 @@ +# +# (C) Copyright 2001 +# 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 +# + +# +# sbc8240 board +# + +TEXT_BASE = 0xFFF00000 + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) diff --git a/board/sbc8240/flash.c b/board/sbc8240/flash.c new file mode 100644 index 000000000..dec615683 --- /dev/null +++ b/board/sbc8240/flash.c @@ -0,0 +1,638 @@ +/* + * (C) Copyright 2000-2004 + * 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 + */ + +/* + * Modified 4/5/2001 + * Wait for completion of each sector erase command issued + * 4/5/2001 + * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com + */ + +#include +#include +#include + +#if CFG_MAX_FLASH_BANKS != 1 +#error "CFG_MAX_FLASH_BANKS must be 1" +#endif +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long * addr, flash_info_t * info); +static int write_word (flash_info_t * info, ulong dest, ulong data); +static void flash_get_offsets (ulong base, flash_info_t * info); + +#define ADDR0 0x5555 +#define ADDR1 0x2aaa +#define FLASH_WORD_SIZE unsigned char + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0; + + /* Init: no FLASHes known */ + flash_info[0].flash_id = FLASH_UNKNOWN; + + /* Static FLASH Bank configuration here - FIXME XXX */ + + size_b0 = flash_get_size ((vu_long *) FLASH_BASE0_PRELIM, &flash_info[0]); + + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size_b0, size_b0 << 20); + } + + /* Only one bank */ + /* Setup offsets */ + flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]); + + /* Monitor protection ON by default */ + (void) flash_protect (FLAG_PROTECT_SET, + FLASH_BASE0_PRELIM, + FLASH_BASE0_PRELIM + monitor_flash_len - 1, + &flash_info[0]); + flash_info[0].size = size_b0; + + return size_b0; +} + + +/*----------------------------------------------------------------------- + */ +static void flash_get_offsets (ulong base, flash_info_t * info) +{ + int i; + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + (info->flash_id == FLASH_AM040)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t * info) +{ + int i; + int k; + int size; + int erased; + volatile unsigned long *flash; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_AMD: + printf ("AMD "); + break; + case FLASH_MAN_FUJ: + printf ("FUJITSU "); + break; + case FLASH_MAN_SST: + printf ("SST "); + break; + default: + printf ("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AM040: + printf ("AM29F040 (512 Kbit, uniform sector size)\n"); + break; + case FLASH_AM400B: + printf ("AM29LV400B (4 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM400T: + printf ("AM29LV400T (4 Mbit, top boot sector)\n"); + break; + case FLASH_AM800B: + printf ("AM29LV800B (8 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM800T: + printf ("AM29LV800T (8 Mbit, top boot sector)\n"); + break; + case FLASH_AM160B: + printf ("AM29LV160B (16 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM160T: + printf ("AM29LV160T (16 Mbit, top boot sector)\n"); + break; + case FLASH_AM320B: + printf ("AM29LV320B (32 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM320T: + printf ("AM29LV320T (32 Mbit, top boot sector)\n"); + break; + case FLASH_SST800A: + printf ("SST39LF/VF800 (8 Mbit, uniform sector size)\n"); + break; + case FLASH_SST160A: + printf ("SST39LF/VF160 (16 Mbit, uniform sector size)\n"); + break; + default: + printf ("Unknown Chip Type\n"); + break; + } + + printf (" Size: %ld KB in %d Sectors\n", + info->size >> 10, info->sector_count); + + printf (" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; ++i) { + /* + * Check if whole sector is erased + */ + if (i != (info->sector_count - 1)) + size = info->start[i + 1] - info->start[i]; + else + size = info->start[0] + info->size - info->start[i]; + erased = 1; + flash = (volatile unsigned long *) info->start[i]; + size = size >> 2; /* divide by 4 for longword access */ + for (k = 0; k < size; k++) { + if (*flash++ != 0xffffffff) { + erased = 0; + break; + } + } + + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s%s", + info->start[i], + erased ? " E" : " ", info->protect[i] ? "RO " : " " + ); + } + printf ("\n"); + return; +} + +/*----------------------------------------------------------------------- + */ + + +/*----------------------------------------------------------------------- + */ + +/* + * The following code cannot be run from FLASH! + */ +static ulong flash_get_size (vu_long * addr, flash_info_t * info) +{ + short i; + FLASH_WORD_SIZE value; + ulong base = (ulong) addr; + volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *) addr; + + /* Write auto select command: read Manufacturer ID */ + addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA; + addr2[ADDR1] = (FLASH_WORD_SIZE) 0x00550055; + addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00900090; + + value = addr2[0]; + + switch (value) { + case (FLASH_WORD_SIZE) AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case (FLASH_WORD_SIZE) FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + case (FLASH_WORD_SIZE) SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); /* no or unknown flash */ + } + + value = addr2[1]; /* device ID */ + + switch (value) { + case (FLASH_WORD_SIZE) AMD_ID_F040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + case (FLASH_WORD_SIZE) AMD_ID_LV040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + case (FLASH_WORD_SIZE) AMD_ID_LV400T: + info->flash_id += FLASH_AM400T; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (FLASH_WORD_SIZE) AMD_ID_LV400B: + info->flash_id += FLASH_AM400B; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (FLASH_WORD_SIZE) AMD_ID_LV800T: + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (FLASH_WORD_SIZE) AMD_ID_LV800B: + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (FLASH_WORD_SIZE) AMD_ID_LV160T: + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (FLASH_WORD_SIZE) AMD_ID_LV160B: + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ +#if 0 /* enable when device IDs are available */ + case (FLASH_WORD_SIZE) AMD_ID_LV320T: + info->flash_id += FLASH_AM320T; + info->sector_count = 67; + info->size = 0x00400000; + break; /* => 4 MB */ + + case (FLASH_WORD_SIZE) AMD_ID_LV320B: + info->flash_id += FLASH_AM320B; + info->sector_count = 67; + info->size = 0x00400000; + break; /* => 4 MB */ +#endif + case (FLASH_WORD_SIZE) SST_ID_xF800A: + info->flash_id += FLASH_SST800A; + info->sector_count = 16; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (FLASH_WORD_SIZE) SST_ID_xF160A: + info->flash_id += FLASH_SST160A; + info->sector_count = 32; + info->size = 0x00200000; + break; /* => 2 MB */ + + default: + info->flash_id = FLASH_UNKNOWN; + return (0); /* => no or unknown flash */ + + } + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + (info->flash_id == FLASH_AM040)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } + + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (A7 .. A0) = 0x02 */ + /* D0 = 1 if protected */ + addr2 = (volatile FLASH_WORD_SIZE *) (info->start[i]); + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) + info->protect[i] = 0; + else + info->protect[i] = addr2[2] & 1; + } + + /* + * Prevent writes to uninitialized FLASH. + */ + if (info->flash_id != FLASH_UNKNOWN) { + addr2 = (FLASH_WORD_SIZE *) info->start[0]; + *addr2 = (FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ + } + + return (info->size); +} + +int wait_for_DQ7 (flash_info_t * info, int sect) +{ + ulong start, now, last; + volatile FLASH_WORD_SIZE *addr = + (FLASH_WORD_SIZE *) (info->start[sect]); + + start = get_timer (0); + last = start; + while ((addr[0] & (FLASH_WORD_SIZE) 0x00800080) != + (FLASH_WORD_SIZE) 0x00800080) { + if ((now = get_timer (start)) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + return -1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc ('.'); + last = now; + } + } + return 0; +} + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t * info, int s_first, int s_last) +{ + volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *) (info->start[0]); + volatile FLASH_WORD_SIZE *addr2; + int flag, prot, sect, l_sect; + int i; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) { + printf ("- missing\n"); + } else { + printf ("- no sectors to erase\n"); + } + return 1; + } + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("Can't erase unknown flash type - aborted\n"); + return 1; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf ("- Warning: %d protected sectors will not be erased!\n", prot); + } else { + printf ("\n"); + } + + l_sect = -1; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr2 = (FLASH_WORD_SIZE *) (info->start[sect]); + printf ("Erasing sector %p\n", addr2); /* CLH */ + + if ((info->flash_id & FLASH_VENDMASK) == + FLASH_MAN_SST) { + addr[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA; + addr[ADDR1] = (FLASH_WORD_SIZE) 0x00550055; + addr[ADDR0] = (FLASH_WORD_SIZE) 0x00800080; + addr[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA; + addr[ADDR1] = (FLASH_WORD_SIZE) 0x00550055; + addr2[0] = (FLASH_WORD_SIZE) 0x00500050; /* block erase */ + for (i = 0; i < 50; i++) + udelay (1000); /* wait 1 ms */ + } else { + addr[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA; + addr[ADDR1] = (FLASH_WORD_SIZE) 0x00550055; + addr[ADDR0] = (FLASH_WORD_SIZE) 0x00800080; + addr[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA; + addr[ADDR1] = (FLASH_WORD_SIZE) 0x00550055; + addr2[0] = (FLASH_WORD_SIZE) 0x00300030; /* sector erase */ + } + l_sect = sect; + /* + * Wait for each sector to complete, it's more + * reliable. According to AMD Spec, you must + * issue all erase commands within a specified + * timeout. This has been seen to fail, especially + * if printf()s are included (for debug)!! + */ + wait_for_DQ7 (info, sect); + } + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts (); + + /* wait at least 80us - let's wait 1 ms */ + udelay (1000); + +#if 0 + /* + * We wait for the last triggered sector + */ + if (l_sect < 0) + goto DONE; + wait_for_DQ7 (info, l_sect); + + DONE: +#endif + /* reset to read mode */ + addr = (FLASH_WORD_SIZE *) info->start[0]; + addr[0] = (FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ + + printf (" done\n"); + return 0; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ + +int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + ulong cp, wp, data; + int i, l, 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); + } + for (; i < 4 && cnt > 0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt == 0 && i < 4; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + if ((rc = write_word (info, wp, data)) != 0) { + return (rc); + } + wp += 4; + } + + /* + * handle word aligned part + */ + while (cnt >= 4) { + data = 0; + for (i = 0; i < 4; ++i) { + data = (data << 8) | *src++; + } + if ((rc = write_word (info, wp, data)) != 0) { + return (rc); + } + wp += 4; + cnt -= 4; + } + + if (cnt == 0) { + return (0); + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i < 4; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + return (write_word (info, wp, data)); +} + +/*----------------------------------------------------------------------- + * Write a word to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_word (flash_info_t * info, ulong dest, ulong data) +{ + volatile FLASH_WORD_SIZE *addr2 = + (FLASH_WORD_SIZE *) (info->start[0]); + volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *) dest; + volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *) & data; + ulong start; + int i; + + /* Check if Flash is (sufficiently) erased */ + if ((*((volatile FLASH_WORD_SIZE *) dest) & + (FLASH_WORD_SIZE) data) != (FLASH_WORD_SIZE) data) { + return (2); + } + + for (i = 0; i < 4 / sizeof (FLASH_WORD_SIZE); i++) { + int flag; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA; + addr2[ADDR1] = (FLASH_WORD_SIZE) 0x00550055; + addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00A000A0; + + dest2[i] = data2[i]; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts (); + + /* data polling for D7 */ + start = get_timer (0); + while ((dest2[i] & (FLASH_WORD_SIZE) 0x00800080) != + (data2[i] & (FLASH_WORD_SIZE) 0x00800080)) { + + if (get_timer (start) > CFG_FLASH_WRITE_TOUT) { + return (1); + } + } + } + + return (0); +} diff --git a/board/sbc8240/sbc8240.c b/board/sbc8240/sbc8240.c new file mode 100644 index 000000000..a6d3babe9 --- /dev/null +++ b/board/sbc8240/sbc8240.c @@ -0,0 +1,105 @@ +/* + * (C) Copyright 2001 + * Rob Taylor, Flying Pig Systems. robt@flyingpig.com. + * + * (C) Copyright 2001, 2002 + * Wolfgang Denk, DENX Software Engineering, + + * 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 +#include +#include + +#define BOARD_REV_REG 0xFE80002B + +int checkboard (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + char revision = *(volatile char *)(BOARD_REV_REG); + char buf[32]; + + puts ("Board: sbc8240 "); + printf("Revision %d ", revision); + printf("Local Bus at %s MHz\n", strmhz(buf, gd->bus_clk)); + + return 0; +} + +long int initdram(int board_type) +{ + long size; + long new_bank0_end; + long mear1; + long emear1; + + size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE); + + new_bank0_end = size - 1; + mear1 = mpc824x_mpc107_getreg(MEAR1); + emear1 = mpc824x_mpc107_getreg(EMEAR1); + mear1 = (mear1 & 0xFFFFFF00) | + ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT); + emear1 = (emear1 & 0xFFFFFF00) | + ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT); + mpc824x_mpc107_setreg(MEAR1, mear1); + mpc824x_mpc107_setreg(EMEAR1, emear1); + + return (size); +} + +/* + * Initialize PCI Devices, report devices found. + */ +#ifndef CONFIG_PCI_PNP +static struct pci_config_table pci_sandpoint_config_table[] = { + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID, + pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, + PCI_ENET0_MEMADDR, + PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, + + { } +}; +#endif + +struct pci_controller hose = { +#ifndef CONFIG_PCI_PNP + config_table: pci_sandpoint_config_table, +#endif +}; + +void pci_init_board(void) +{ + pci_mpc824x_init(&hose); +} + +#ifdef CONFIG_MISC_INIT_R +/* ------------------------------------------------------------------------- */ +int misc_init_r (void) +{ +#ifdef CFG_LED_BASE + *((unsigned char *) (CFG_LED_BASE)) = 0xFF; +#endif /* CFG_LED_BASE */ + + return (0); +} +#endif /* CONFIG_MISC_INIT_R */ diff --git a/board/sbc8240/u-boot.lds b/board/sbc8240/u-boot.lds new file mode 100644 index 000000000..7e6053aae --- /dev/null +++ b/board/sbc8240/u-boot.lds @@ -0,0 +1,133 @@ +/* + * (C) Copyright 2001 + * 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_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +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/mpc824x/start.o (.text) + lib_ppc/board.o (.text) + lib_ppc/ppcstring.o (.text) + lib_generic/vsprintf.o (.text) + lib_generic/crc32.o (.text) + lib_generic/zlib.o (.text) + + . = DEFINED(env_offset) ? env_offset : .; + common/environment.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 = .); +} -- cgit v1.2.3