From f4863a7aec41f1f78fe93eade700b15b287a5ef7 Mon Sep 17 00:00:00 2001 From: wdenk Date: Sat, 7 Feb 2004 01:27:10 +0000 Subject: * Patch by liang a lei, 9 Jan 2004: Fix Intel 28F128J3 ID in include/flash.h * Patch by Masami Komiya, 09 Jan 2004: add support for TB0229 board (NEC VR4131 MIPS processor) * Patch by Leon Kukovec, 12 Dec 2003: changed extern __inline__ into static __inline__ in include/linux/byteorder/swab.h --- board/tb0229/Makefile | 43 ++ board/tb0229/config.mk | 30 ++ board/tb0229/flash.c | 1198 +++++++++++++++++++++++++++++++++++++++++++++ board/tb0229/memsetup.S | 71 +++ board/tb0229/tb0229.c | 42 ++ board/tb0229/u-boot.lds | 68 +++ board/tb0229/vr4131-pci.c | 254 ++++++++++ 7 files changed, 1706 insertions(+) create mode 100644 board/tb0229/Makefile create mode 100644 board/tb0229/config.mk create mode 100644 board/tb0229/flash.c create mode 100644 board/tb0229/memsetup.S create mode 100644 board/tb0229/tb0229.c create mode 100644 board/tb0229/u-boot.lds create mode 100644 board/tb0229/vr4131-pci.c (limited to 'board') diff --git a/board/tb0229/Makefile b/board/tb0229/Makefile new file mode 100644 index 000000000..e7bb8cbe5 --- /dev/null +++ b/board/tb0229/Makefile @@ -0,0 +1,43 @@ +# +# (C) Masami Komiya 2004 +# +# (C) Copyright 2003-2004 +# 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 +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS = $(BOARD).o flash.o vr4131-pci.o +SOBJS = memsetup.o + +$(LIB): .depend $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) $(SOBJS) + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/board/tb0229/config.mk b/board/tb0229/config.mk new file mode 100644 index 000000000..9a508502c --- /dev/null +++ b/board/tb0229/config.mk @@ -0,0 +1,30 @@ +# +# (C) Masami Komiya 2004 +# +# (C) Copyright 2003 +# 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 +# + +# ROM version +TEXT_BASE = 0xBFC00000 + +# RAM version +#TEXT_BASE = 0x80400000 diff --git a/board/tb0229/flash.c b/board/tb0229/flash.c new file mode 100644 index 000000000..5dea46370 --- /dev/null +++ b/board/tb0229/flash.c @@ -0,0 +1,1198 @@ +/* + * (C) Masami Komiya 2004 + * + * (C) Copyright 2001-2004 + * 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 + */ + +#include +#include +#include + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + + +#ifdef CFG_FLASH_16BIT +#define FLASH_WORD_SIZE unsigned short +#define FLASH_ID_MASK 0xFFFF +#else +#define FLASH_WORD_SIZE unsigned long +#define FLASH_ID_MASK 0xFFFFFFFF +#endif + +/*----------------------------------------------------------------------- + * Functions + */ +/* stolen from esteem192e/flash.c */ +ulong flash_get_size (volatile FLASH_WORD_SIZE * addr, flash_info_t * info); + +#ifndef CFG_FLASH_16BIT +static int write_word (flash_info_t * info, ulong dest, ulong data); +#else +static int write_short (flash_info_t * info, ulong dest, ushort data); +#endif +static void flash_get_offsets (ulong base, flash_info_t * info); + + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0, size_b1; + int i; + uint pbcr; + unsigned long base_b0, base_b1; + + /* Init: no FLASHes known */ + for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here - FIXME XXX */ + + size_b0 = + flash_get_size ((volatile FLASH_WORD_SIZE *) CFG_FLASH_BASE, + &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 */ + if (CFG_MAX_FLASH_BANKS == 1) { + /* Setup offsets */ + flash_get_offsets (CFG_FLASH_BASE, &flash_info[0]); + + /* Monitor protection ON by default */ +#if 0 /* sand: */ + (void) flash_protect (FLAG_PROTECT_SET, + FLASH_BASE0_PRELIM - monitor_flash_len + + size_b0, + FLASH_BASE0_PRELIM - 1 + size_b0, + &flash_info[0]); +#else + (void) flash_protect (FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE + monitor_flash_len - + 1, &flash_info[0]); +#endif + size_b1 = 0; + flash_info[0].size = size_b0; + } +#ifdef CFG_FLASH_BASE_2 + /* 2 banks */ + else { + size_b1 = + flash_get_size ((volatile FLASH_WORD_SIZE *) + CFG_FLASH_BASE_2, &flash_info[1]); + + /* Re-do sizing to get full correct info */ + + if (size_b1) { + mtdcr (ebccfga, pb0cr); + pbcr = mfdcr (ebccfgd); + mtdcr (ebccfga, pb0cr); + base_b1 = -size_b1; + pbcr = (pbcr & 0x0001ffff) | base_b1 | + (((size_b1 / 1024 / 1024) - 1) << 17); + mtdcr (ebccfgd, pbcr); + /* printf("pb1cr = %x\n", pbcr); */ + } + + if (size_b0) { + mtdcr (ebccfga, pb1cr); + pbcr = mfdcr (ebccfgd); + mtdcr (ebccfga, pb1cr); + base_b0 = base_b1 - size_b0; + pbcr = (pbcr & 0x0001ffff) | base_b0 | + (((size_b0 / 1024 / 1024) - 1) << 17); + mtdcr (ebccfgd, pbcr); + /* printf("pb0cr = %x\n", pbcr); */ + } + + size_b0 = + flash_get_size ((volatile FLASH_WORD_SIZE *) base_b0, + &flash_info[0]); + + flash_get_offsets (base_b0, &flash_info[0]); + + /* monitor protection ON by default */ +#if 0 /* sand: */ + (void) flash_protect (FLAG_PROTECT_SET, + FLASH_BASE0_PRELIM - monitor_flash_len + + size_b0, + FLASH_BASE0_PRELIM - 1 + size_b0, + &flash_info[0]); +#else + (void) flash_protect (FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE + monitor_flash_len - + 1, &flash_info[0]); +#endif + + if (size_b1) { + /* Re-do sizing to get full correct info */ + size_b1 = + flash_get_size ((volatile FLASH_WORD_SIZE *) + base_b1, &flash_info[1]); + + flash_get_offsets (base_b1, &flash_info[1]); + + /* monitor protection ON by default */ + (void) flash_protect (FLAG_PROTECT_SET, + base_b1 + size_b1 - + monitor_flash_len, + base_b1 + size_b1 - 1, + &flash_info[1]); + /* monitor protection OFF by default (one is enough) */ + (void) flash_protect (FLAG_PROTECT_CLEAR, + base_b0 + size_b0 - + monitor_flash_len, + base_b0 + size_b0 - 1, + &flash_info[0]); + } else { + flash_info[1].flash_id = FLASH_UNKNOWN; + flash_info[1].sector_count = -1; + } + + flash_info[0].size = size_b0; + flash_info[1].size = size_b1; + } /* else 2 banks */ +#endif + return (size_b0 + size_b1); +} + + +/*----------------------------------------------------------------------- + */ + +static void flash_get_offsets (ulong base, flash_info_t * info) +{ + int i; + + /* set up sector start adress table */ + if ((info->flash_id & FLASH_TYPEMASK) == FLASH_28F320J3A || + (info->flash_id & FLASH_TYPEMASK) == FLASH_28F640J3A || + (info->flash_id & FLASH_TYPEMASK) == FLASH_28F128J3A) { + for (i = 0; i < info->sector_count; i++) { + info->start[i] = + base + (i * info->size / info->sector_count); + } + } else if (info->flash_id & FLASH_BTYPE) { + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { + +#ifndef CFG_FLASH_16BIT + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00008000; + info->start[3] = base + 0x0000C000; + info->start[4] = base + 0x00010000; + info->start[5] = base + 0x00014000; + info->start[6] = base + 0x00018000; + info->start[7] = base + 0x0001C000; + for (i = 8; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00020000) - 0x000E0000; + } + } else { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00008000; + info->start[2] = base + 0x0000C000; + info->start[3] = base + 0x00010000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00020000) - 0x00060000; + } + } +#else + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00002000; + info->start[2] = base + 0x00004000; + info->start[3] = base + 0x00006000; + info->start[4] = base + 0x00008000; + info->start[5] = base + 0x0000A000; + info->start[6] = base + 0x0000C000; + info->start[7] = base + 0x0000E000; + for (i = 8; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00010000) - 0x00070000; + } + } else { + /* 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; + } + } +#endif + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { + +#ifndef CFG_FLASH_16BIT + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00008000; + info->start[i--] = base + info->size - 0x0000C000; + info->start[i--] = base + info->size - 0x00010000; + info->start[i--] = base + info->size - 0x00014000; + info->start[i--] = base + info->size - 0x00018000; + info->start[i--] = base + info->size - 0x0001C000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00020000; + } + + } else { + + info->start[i--] = base + info->size - 0x00008000; + info->start[i--] = base + info->size - 0x0000C000; + info->start[i--] = base + info->size - 0x00010000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00020000; + } + } +#else + info->start[i--] = base + info->size - 0x00002000; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + info->start[i--] = base + info->size - 0x0000A000; + info->start[i--] = base + info->size - 0x0000C000; + info->start[i--] = base + info->size - 0x0000E000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + + } else { + + 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; + } + } +#endif + } + + +} + +/*----------------------------------------------------------------------- + */ + +void flash_print_info (flash_info_t * info) +{ + int i; + uchar *boottype; + uchar botboot[] = ", bottom boot sect)\n"; + uchar topboot[] = ", top boot sector)\n"; + + 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; + case FLASH_MAN_STM: + printf ("STM "); + break; + case FLASH_MAN_INTEL: + printf ("INTEL "); + break; + default: + printf ("Unknown Vendor "); + break; + } + + if (info->flash_id & 0x0001) { + boottype = botboot; + } else { + boottype = topboot; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AM400B: + printf ("AM29LV400B (4 Mbit%s", boottype); + break; + case FLASH_AM400T: + printf ("AM29LV400T (4 Mbit%s", boottype); + break; + case FLASH_AM800B: + printf ("AM29LV800B (8 Mbit%s", boottype); + break; + case FLASH_AM800T: + printf ("AM29LV800T (8 Mbit%s", boottype); + break; + case FLASH_AM160B: + printf ("AM29LV160B (16 Mbit%s", boottype); + break; + case FLASH_AM160T: + printf ("AM29LV160T (16 Mbit%s", boottype); + break; + case FLASH_AM320B: + printf ("AM29LV320B (32 Mbit%s", boottype); + break; + case FLASH_AM320T: + printf ("AM29LV320T (32 Mbit%s", boottype); + break; + case FLASH_INTEL800B: + printf ("INTEL28F800B (8 Mbit%s", boottype); + break; + case FLASH_INTEL800T: + printf ("INTEL28F800T (8 Mbit%s", boottype); + break; + case FLASH_INTEL160B: + printf ("INTEL28F160B (16 Mbit%s", boottype); + break; + case FLASH_INTEL160T: + printf ("INTEL28F160T (16 Mbit%s", boottype); + break; + case FLASH_INTEL320B: + printf ("INTEL28F320B (32 Mbit%s", boottype); + break; + case FLASH_INTEL320T: + printf ("INTEL28F320T (32 Mbit%s", boottype); + break; + +#if 0 /* enable when devices are available */ + + case FLASH_INTEL640B: + printf ("INTEL28F640B (64 Mbit%s", boottype); + break; + case FLASH_INTEL640T: + printf ("INTEL28F640T (64 Mbit%s", boottype); + break; +#endif + case FLASH_28F320J3A: + printf ("INTEL28F320J3A (32 Mbit%s", boottype); + break; + case FLASH_28F640J3A: + printf ("INTEL28F640J3A (64 Mbit%s", boottype); + break; + case FLASH_28F128J3A: + printf ("INTEL28F128J3A (128 Mbit%s", boottype); + break; + + default: + printf ("Unknown Chip Type\n"); + 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"); + return; +} + + +/*----------------------------------------------------------------------- + */ + + +/*----------------------------------------------------------------------- + */ + +/* + * The following code cannot be run from FLASH! + */ +ulong flash_get_size (volatile FLASH_WORD_SIZE * addr, flash_info_t * info) +{ + short i; + ulong base = (ulong) addr; + FLASH_WORD_SIZE value; + + /* Write auto select command: read Manufacturer ID */ + + +#ifndef CFG_FLASH_16BIT + + /* + * Note: if it is an AMD flash and the word at addr[0000] + * is 0x00890089 this routine will think it is an Intel + * flash device and may(most likely) cause trouble. + */ + + addr[0x0000] = 0x00900090; + if (addr[0x0000] != 0x00890089) { + addr[0x0555] = 0x00AA00AA; + addr[0x02AA] = 0x00550055; + addr[0x0555] = 0x00900090; +#else + + /* + * Note: if it is an AMD flash and the word at addr[0000] + * is 0x0089 this routine will think it is an Intel + * flash device and may(most likely) cause trouble. + */ + + addr[0x0000] = 0x0090; + + if (addr[0x0000] != 0x0089) { + addr[0x0555] = 0x00AA; + addr[0x02AA] = 0x0055; + addr[0x0555] = 0x0090; +#endif + } + value = addr[0]; + + switch (value) { + case (AMD_MANUFACT & FLASH_ID_MASK): + info->flash_id = FLASH_MAN_AMD; + break; + case (FUJ_MANUFACT & FLASH_ID_MASK): + info->flash_id = FLASH_MAN_FUJ; + break; + case (STM_MANUFACT & FLASH_ID_MASK): + info->flash_id = FLASH_MAN_STM; + break; + case (SST_MANUFACT & FLASH_ID_MASK): + info->flash_id = FLASH_MAN_SST; + break; + case (INTEL_MANUFACT & FLASH_ID_MASK): + info->flash_id = FLASH_MAN_INTEL; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); /* no or unknown flash */ + + } + + value = addr[1]; /* device ID */ + + switch (value) { + + case (AMD_ID_LV400T & FLASH_ID_MASK): + info->flash_id += FLASH_AM400T; + info->sector_count = 11; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (AMD_ID_LV400B & FLASH_ID_MASK): + info->flash_id += FLASH_AM400B; + info->sector_count = 11; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (AMD_ID_LV800T & FLASH_ID_MASK): + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (AMD_ID_LV800B & FLASH_ID_MASK): + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (AMD_ID_LV160T & FLASH_ID_MASK): + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00400000; + break; /* => 4 MB */ + + case (AMD_ID_LV160B & FLASH_ID_MASK): + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00400000; + break; /* => 4 MB */ +#if 0 /* enable when device IDs are available */ + case (AMD_ID_LV320T & FLASH_ID_MASK): + info->flash_id += FLASH_AM320T; + info->sector_count = 67; + info->size = 0x00800000; + break; /* => 8 MB */ + + case (AMD_ID_LV320B & FLASH_ID_MASK): + info->flash_id += FLASH_AM320B; + info->sector_count = 67; + info->size = 0x00800000; + break; /* => 8 MB */ +#endif + + case (INTEL_ID_28F800B3T & FLASH_ID_MASK): + info->flash_id += FLASH_INTEL800T; + info->sector_count = 23; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (INTEL_ID_28F800B3B & FLASH_ID_MASK): + info->flash_id += FLASH_INTEL800B; + info->sector_count = 23; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (INTEL_ID_28F160B3T & FLASH_ID_MASK): + info->flash_id += FLASH_INTEL160T; + info->sector_count = 39; + info->size = 0x00400000; + break; /* => 4 MB */ + + case (INTEL_ID_28F160B3B & FLASH_ID_MASK): + info->flash_id += FLASH_INTEL160B; + info->sector_count = 39; + info->size = 0x00400000; + break; /* => 4 MB */ + + case (INTEL_ID_28F320B3T & FLASH_ID_MASK): + info->flash_id += FLASH_INTEL320T; + info->sector_count = 71; + info->size = 0x00800000; + break; /* => 8 MB */ + + case (INTEL_ID_28F320B3B & FLASH_ID_MASK): + info->flash_id += FLASH_AM320B; + info->sector_count = 71; + info->size = 0x00800000; + break; /* => 8 MB */ + +#if 0 /* enable when devices are available */ + case (INTEL_ID_28F320B3T & FLASH_ID_MASK): + info->flash_id += FLASH_INTEL320T; + info->sector_count = 135; + info->size = 0x01000000; + break; /* => 16 MB */ + + case (INTEL_ID_28F320B3B & FLASH_ID_MASK): + info->flash_id += FLASH_AM320B; + info->sector_count = 135; + info->size = 0x01000000; + break; /* => 16 MB */ +#endif + case (INTEL_ID_28F320J3A & FLASH_ID_MASK): + info->flash_id += FLASH_28F320J3A; + info->sector_count = 32; + info->size = 0x00400000; + break; /* => 32 MBit */ + case (INTEL_ID_28F640J3A & FLASH_ID_MASK): + info->flash_id += FLASH_28F640J3A; + info->sector_count = 64; + info->size = 0x00800000; + break; /* => 64 MBit */ + case (INTEL_ID_28F128J3A & FLASH_ID_MASK): + info->flash_id += FLASH_28F128J3A; + info->sector_count = 128; + info->size = 0x01000000; + break; /* => 128 MBit */ + + default: + /* FIXME */ + info->flash_id = FLASH_UNKNOWN; + return (0); /* => no or unknown flash */ + } + + flash_get_offsets (base, info); + + /* 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 */ + addr = (volatile FLASH_WORD_SIZE *) (info->start[i]); + info->protect[i] = addr[2] & 1; + } + + /* + * Prevent writes to uninitialized FLASH. + */ + if (info->flash_id != FLASH_UNKNOWN) { + addr = (volatile FLASH_WORD_SIZE *) info->start[0]; + if ((info->flash_id & 0xFF00) == FLASH_MAN_INTEL) { + *addr = (0x00F000F0 & FLASH_ID_MASK); /* reset bank */ + } else { + *addr = (0x00FF00FF & FLASH_ID_MASK); /* reset bank */ + } + } + + return (info->size); +} + + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t * info, int s_first, int s_last) +{ + + volatile FLASH_WORD_SIZE *addr = + (volatile FLASH_WORD_SIZE *) (info->start[0]); + int flag, prot, sect, l_sect, barf; + ulong start, now, last; + int rcode = 0; + + 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) || + ((info->flash_id > FLASH_AMD_COMP) && + ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL))) { + 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 (); + if (info->flash_id < FLASH_AMD_COMP) { +#ifndef CFG_FLASH_16BIT + addr[0x0555] = 0x00AA00AA; + addr[0x02AA] = 0x00550055; + addr[0x0555] = 0x00800080; + addr[0x0555] = 0x00AA00AA; + addr[0x02AA] = 0x00550055; +#else + addr[0x0555] = 0x00AA; + addr[0x02AA] = 0x0055; + addr[0x0555] = 0x0080; + addr[0x0555] = 0x00AA; + addr[0x02AA] = 0x0055; +#endif + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr = (volatile FLASH_WORD_SIZE *) (info-> + start + [sect]); + addr[0] = (0x00300030 & FLASH_ID_MASK); + l_sect = sect; + } + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts (); + + /* wait at least 80us - let's wait 1 ms */ + udelay (1000); + + /* + * We wait for the last triggered sector + */ + if (l_sect < 0) + goto DONE; + + start = get_timer (0); + last = start; + addr = (volatile FLASH_WORD_SIZE *) (info->start[l_sect]); + while ((addr[0] & (0x00800080 & FLASH_ID_MASK)) != + (0x00800080 & FLASH_ID_MASK)) { + if ((now = get_timer (start)) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + return 1; + } + /* show that we're waiting */ + if ((now - last) > 1000000) { /* every second */ + serial_putc ('.'); + last = now; + } + } + + DONE: + /* reset to read mode */ + addr = (volatile FLASH_WORD_SIZE *) info->start[0]; + addr[0] = (0x00F000F0 & FLASH_ID_MASK); /* reset bank */ + } else { + + + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + barf = 0; +#ifndef CFG_FLASH_16BIT + addr = (vu_long *) (info->start[sect]); + addr[0] = 0x00500050; + addr[0] = 0x00200020; + addr[0] = 0x00D000D0; + while (!(addr[0] & 0x00800080)); /* wait for error or finish */ + if (addr[0] & 0x003A003A) { /* check for error */ + barf = addr[0] & 0x003A0000; + if (barf) { + barf >>= 16; + } else { + barf = addr[0] & 0x0000003A; + } + } +#else + addr = (vu_short *) (info->start[sect]); + addr[0] = 0x0050; /* clear status register */ + addr[0] = 0x0020; + addr[0] = 0x00D0; + while (!(addr[0] & 0x0080)); /* wait for error or finish */ + if (addr[0] & 0x003A) /* check for error */ + barf = addr[0] & 0x003A; +#endif + if (barf) { + printf ("\nFlash error in sector at %lx\n", (unsigned long) addr); + if (barf & 0x0002) + printf ("Block locked, not erased.\n"); + if ((barf & 0x0030) == 0x0030) + printf ("Command Sequence error.\n"); + if ((barf & 0x0030) == 0x0020) + printf ("Block Erase error.\n"); + if (barf & 0x0008) + printf ("Vpp Low error.\n"); + rcode = 1; + } else + printf ("."); + l_sect = sect; + } + addr = (volatile FLASH_WORD_SIZE *) info->start[0]; +#ifndef CFG_FLASH_16BIT + addr[0] = (0x00FF00FF & FLASH_ID_MASK); /* reset bank */ +#else + addr[0] = (0x00FF & FLASH_ID_MASK); /* reset bank */ +#endif + } + + } + printf (" done\n"); + return rcode; +} + +/*----------------------------------------------------------------------- + */ + +/*flash_info_t *addr2info (ulong addr) +{ + flash_info_t *info; + int i; + + for (i=0, info=&flash_info[0]; i= info->start[0]) && + (addr < (info->start[0] + info->size)) ) { + return (info); + } + } + + return (NULL); +} +*/ +/*----------------------------------------------------------------------- + * Copy memory to flash. + * Make sure all target addresses are within Flash bounds, + * and no protected sectors are hit. + * Returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + * 4 - target range includes protected sectors + * 8 - target address not in Flash memory + */ + +/*int flash_write (uchar *src, ulong addr, ulong cnt) +{ + int i; + ulong end = addr + cnt - 1; + flash_info_t *info_first = addr2info (addr); + flash_info_t *info_last = addr2info (end ); + flash_info_t *info; + + if (cnt == 0) { + return (0); + } + + if (!info_first || !info_last) { + return (8); + } + + for (info = info_first; info <= info_last; ++info) { + ulong b_end = info->start[0] + info->size;*//* bank end addr */ +/* short s_end = info->sector_count - 1; + for (i=0; isector_count; ++i) { + ulong e_addr = (i == s_end) ? b_end : info->start[i + 1]; + + if ((end >= info->start[i]) && (addr < e_addr) && + (info->protect[i] != 0) ) { + return (4); + } + } + } + +*//* finally write data to flash */ +/* for (info = info_first; info <= info_last && cnt>0; ++info) { + ulong len; + + len = info->start[0] + info->size - addr; + if (len > cnt) + len = cnt; + if ((i = write_buff(info, src, addr, len)) != 0) { + return (i); + } + cnt -= len; + addr += len; + src += len; + } + 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) +{ +#ifndef CFG_FLASH_16BIT + ulong cp, wp, data; + int l; +#else + ulong cp, wp; + ushort data; +#endif + int i, rc; + +#ifndef CFG_FLASH_16BIT + + + 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)); + +#else + wp = (addr & ~1); /* get lower word aligned address */ + + /* + * handle unaligned start byte + */ + if (addr - wp) { + data = 0; + data = (data << 8) | *src++; + --cnt; + if ((rc = write_short (info, wp, data)) != 0) { + return (rc); + } + wp += 2; + } + + /* + * handle word aligned part + */ +/* l = 0; used for debuging */ + while (cnt >= 2) { + data = 0; + for (i = 0; i < 2; ++i) { + data = (data << 8) | *src++; + } + +/* if(!l){ + printf("%x",data); + l = 1; + } used for debuging */ + + if ((rc = write_short (info, wp, data)) != 0) { + return (rc); + } + wp += 2; + cnt -= 2; + } + + if (cnt == 0) { + return (0); + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i < 2; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + return (write_short (info, wp, data)); + + +#endif +} + +/*----------------------------------------------------------------------- + * Write a word to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +#ifndef CFG_FLASH_16BIT +static int write_word (flash_info_t * info, ulong dest, ulong data) +{ + vu_long *addr = (vu_long *) (info->start[0]); + ulong start, barf; + int flag; + +#if defined (__MIPSEL__) + data = cpu_to_be32 (data); +#endif + + /* Check if Flash is (sufficiently) erased */ + if ((*((vu_long *) dest) & data) != data) { + return (2); + } + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + if (info->flash_id < FLASH_AMD_COMP) { + /* AMD stuff */ + addr[0x0555] = 0x00AA00AA; + addr[0x02AA] = 0x00550055; + addr[0x0555] = 0x00A000A0; + } else { + /* intel stuff */ + *addr = 0x00400040; + } + + *((vu_long *) dest) = data; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts (); + + /* data polling for D7 */ + start = get_timer (0); + + if (info->flash_id < FLASH_AMD_COMP) { + + while ((*((vu_long *) dest) & 0x00800080) != + (data & 0x00800080)) { + if (get_timer (start) > CFG_FLASH_WRITE_TOUT) { + printf ("timeout\n"); + return (1); + } + } + + } else { + + while (!(addr[0] & 0x00800080)) { /* wait for error or finish */ + if (get_timer (start) > CFG_FLASH_WRITE_TOUT) { + printf ("timeout\n"); + return (1); + } + } + + if (addr[0] & 0x003A003A) { /* check for error */ + barf = addr[0] & 0x003A0000; + if (barf) { + barf >>= 16; + } else { + barf = addr[0] & 0x0000003A; + } + printf ("\nFlash write error at address %lx\n", + (unsigned long) dest); + if (barf & 0x0002) + printf ("Block locked, not erased.\n"); + if (barf & 0x0010) + printf ("Programming error.\n"); + if (barf & 0x0008) + printf ("Vpp Low error.\n"); + return (2); + } + + + } + + return (0); +} + +#else + +static int write_short (flash_info_t * info, ulong dest, ushort data) +{ + vu_short *addr = (vu_short *) (info->start[0]); + ulong start, barf; + int flag; + +#if defined (__MIPSEL__) + data = cpu_to_be16 (data); +#endif + + /* Check if Flash is (sufficiently) erased */ + if ((*((vu_short *) dest) & data) != data) { + return (2); + } + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + if (info->flash_id < FLASH_AMD_COMP) { + /* AMD stuff */ + addr[0x0555] = 0x00AA; + addr[0x02AA] = 0x0055; + addr[0x0555] = 0x00A0; + } else { + /* intel stuff */ + *addr = 0x00D0; + *addr = 0x0040; + } + *((vu_short *) dest) = data; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts (); + + /* data polling for D7 */ + start = get_timer (0); + + if (info->flash_id < FLASH_AMD_COMP) { + /* AMD stuff */ + while ((*((vu_short *) dest) & 0x0080) != (data & 0x0080)) { + if (get_timer (start) > CFG_FLASH_WRITE_TOUT) { + return (1); + } + } + + } else { + /* intel stuff */ + while (!(addr[0] & 0x0080)) { /* wait for error or finish */ + if (get_timer (start) > CFG_FLASH_WRITE_TOUT) + return (1); + } + + if (addr[0] & 0x003A) { /* check for error */ + barf = addr[0] & 0x003A; + printf ("\nFlash write error at address %lx\n", + (unsigned long) dest); + if (barf & 0x0002) + printf ("Block locked, not erased.\n"); + if (barf & 0x0010) + printf ("Programming error.\n"); + if (barf & 0x0008) + printf ("Vpp Low error.\n"); + return (2); + } + *addr = 0x00B0; + *addr = 0x0070; + while (!(addr[0] & 0x0080)) { /* wait for error or finish */ + if (get_timer (start) > CFG_FLASH_WRITE_TOUT) + return (1); + } + + *addr = 0x00FF; + + } + + return (0); + +} +#endif diff --git a/board/tb0229/memsetup.S b/board/tb0229/memsetup.S new file mode 100644 index 000000000..0eaf45dd5 --- /dev/null +++ b/board/tb0229/memsetup.S @@ -0,0 +1,71 @@ +/* + * Memory sub-system initialization code for TANBAC Evaluation board TB0229. + * + * Copyright (c) 2003 Masami Komiya + * + * 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, or (at + * your option) any later version. + */ + +#include +#include +#include + + + .globl memsetup +memsetup: + + /* BCUCNTREG1 = 0x0040 */ + la t0, 0xaf000000 + li t1, 0x0040 + sh t1, 0(t0) + + /* ROMSIZEREG = 0x3333 */ + la t0, 0xaf000004 + li t1, 0x3333 + sh t1, 0(t0) + + /* ROMSPEEDREG = 0x3003 */ + la t0, 0xaf000006 + li t1, 0x3003 + sh t1, 0(t0) + + /* BCUCNTREG3 = 0 */ + la t0, 0xaf000016 + li t1, 0x0000 + sh t1, 0(t0) + + /* CMUCLKMSK */ + la t0, 0xaf000060 + li t1, 0x39a2 + sh t1, 0(t0) + + /* PMUCNTREG */ + la t0, 0xaf0000c2 + li t1, 0x0006 + sh t1, 0(t0) + + /* SDRAMMODEREG = 0x8029 */ + la t0, 0xaf000400 + li t1, 0x8029 + sh t1, 0(t0) + + /* SDRAMCNTREG = 0x2322 */ + la t0, 0xaf000402 + li t1, 0x2322 + sh t1, 0(t0) + + /* BCURFCNTREG = 0x0106 */ + la t0, 0xaf000404 + li t1, 0x0106 + sh t1, 0(t0) + + /* RAMSZEREG = 0x5555 (64MB Bank) */ + la t0, 0xaf000408 + li t1, 0x5555 + sh t1, 0(t0) + + j ra + nop diff --git a/board/tb0229/tb0229.c b/board/tb0229/tb0229.c new file mode 100644 index 000000000..e7914bd15 --- /dev/null +++ b/board/tb0229/tb0229.c @@ -0,0 +1,42 @@ +/* + * Board initialize code for TANBAC Evaluation board TB0229. + * + * (C) Masami Komiya 2004 + * + * 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, or (at + * your option) any later version. + */ + +#include +#include +#include +#include +#include + +unsigned long mips_io_port_base = 0; + +#if defined(CONFIG_PCI) +static struct pci_controller hose; + +void pci_init_board (void) +{ + init_vr4131_pci(&hose); +} +#endif + + +long int initdram(int board_type) +{ + return get_ram_size (CFG_SDRAM_BASE, 0x8000000); +} + + +int checkboard (void) +{ + printf("Board: TANBAC TB0229 "); + printf("(CPU Speed %d MHz)\n", (int)CPU_CLOCK_RATE/1000000); + + return 0; +} diff --git a/board/tb0229/u-boot.lds b/board/tb0229/u-boot.lds new file mode 100644 index 000000000..a6429b6d8 --- /dev/null +++ b/board/tb0229/u-boot.lds @@ -0,0 +1,68 @@ +/* + * (C) Masami Komiya 2004 + * + * (C) Copyright 2003 + * Wolfgang Denk 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 + */ + +OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradlittlemips", "elf32-tradlittlemips") + +OUTPUT_ARCH(mips) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .sdata : { *(.sdata) } + + _gp = ALIGN(16); + + __got_start = .; + .got : { *(.got) } + __got_end = .; + + .sdata : { *(.sdata) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + uboot_end_data = .; + num_got_entries = (__got_end - __got_start) >> 2; + + . = ALIGN(4); + .sbss : { *(.sbss) } + .bss : { *(.bss) } + uboot_end = .; +} diff --git a/board/tb0229/vr4131-pci.c b/board/tb0229/vr4131-pci.c new file mode 100644 index 000000000..0ee4bf30e --- /dev/null +++ b/board/tb0229/vr4131-pci.c @@ -0,0 +1,254 @@ +/* + * VR4131 PCIU support code for TANBAC Evaluation board TB0229. + * + * (C) Masami Komiya 2004 + * + * 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, or (at + * your option) any later version. + */ + +#include +#include +#include + +#define VR4131_PCIMMAW1REG (volatile unsigned int*)(KSEG1 + 0x0f000c00) +#define VR4131_PCIMMAW2REG (volatile unsigned int*)(KSEG1 + 0x0f000c04) +#define VR4131_PCITAW1REG (volatile unsigned int*)(KSEG1 + 0x0f000c08) +#define VR4131_PCITAW2REG (volatile unsigned int*)(KSEG1 + 0x0f000c0c) +#define VR4131_PCIMIOAWREG (volatile unsigned int*)(KSEG1 + 0x0f000c10) +#define VR4131_PCICONFDREG (volatile unsigned int*)(KSEG1 + 0x0f000c14) +#define VR4131_PCICONFAREG (volatile unsigned int*)(KSEG1 + 0x0f000c18) +#define VR4131_PCIMAILREG (volatile unsigned int*)(KSEG1 + 0x0f000c1c) +#define VR4131_BUSERRADREG (volatile unsigned int*)(KSEG1 + 0x0f000c24) +#define VR4131_INTCNTSTAREG (volatile unsigned int*)(KSEG1 + 0x0f000c28) +#define VR4131_PCIEXACCREG (volatile unsigned int*)(KSEG1 + 0x0f000c2c) +#define VR4131_PCIRECONTREG (volatile unsigned int*)(KSEG1 + 0x0f000c30) +#define VR4131_PCIENREG (volatile unsigned int*)(KSEG1 + 0x0f000c34) +#define VR4131_PCICLKSELREG (volatile unsigned int*)(KSEG1 + 0x0f000c38) +#define VR4131_PCITRDYREG (volatile unsigned int*)(KSEG1 + 0x0f000c3c) +#define VR4131_PCICLKRUNREG (volatile unsigned int*)(KSEG1 + 0x0f000c60) +#define VR4131_PCIHOSTCONFIG (volatile unsigned int*)(KSEG1 + 0x0f000d00) +#define VR4131_VENDORIDREG (volatile unsigned int*)(KSEG1 + 0x0f000d00) +#define VR4131_DEVICEIDREG (volatile unsigned int*)(KSEG1 + 0x0f000d00) +#define VR4131_COMMANDREG (volatile unsigned int*)(KSEG1 + 0x0f000d04) +#define VR4131_STATUSREG (volatile unsigned int*)(KSEG1 + 0x0f000d04) +#define VR4131_REVREG (volatile unsigned int*)(KSEG1 + 0x0f000d08) +#define VR4131_CLASSREG (volatile unsigned int*)(KSEG1 + 0x0f000d08) +#define VR4131_CACHELSREG (volatile unsigned int*)(KSEG1 + 0x0f000d0c) +#define VR4131_LATTIMERRG (volatile unsigned int*)(KSEG1 + 0x0f000d0c) +#define VR4131_MAILBAREG (volatile unsigned int*)(KSEG1 + 0x0f000d10) +#define VR4131_PCIMBA1REG (volatile unsigned int*)(KSEG1 + 0x0f000d14) +#define VR4131_PCIMBA2REG (volatile unsigned int*)(KSEG1 + 0x0f000d18) + +/*#define VR41XX_PCIIRQ_OFFSET (VR41XX_IRQ_MAX + 1) */ +/*#define VR41XX_PCIIRQ_MAX (VR41XX_IRQ_MAX + 12) */ +/*#define VR4122_PCI_HOST_BASE 0xa0000000 */ + +volatile unsigned int *pciconfigaddr; +volatile unsigned int *pciconfigdata; + +#define PCI_ACCESS_READ 0 +#define PCI_ACCESS_WRITE 1 + +/* + * Access PCI Configuration Register for VR4131 + */ + +static int vr4131_pci_config_access (u8 access_type, u32 dev, u32 reg, + u32 * data) +{ + u32 bus; + u32 device; + + bus = ((dev & 0xff0000) >> 16); + device = ((dev & 0xf800) >> 11); + + if (bus == 0) { + /* Type 0 Configuration */ + *VR4131_PCICONFAREG = (u32) (1UL << device | (reg & 0xfc)); + } else { + /* Type 1 Configuration */ + *VR4131_PCICONFAREG = (u32) (dev | ((reg / 4) << 2) | 1); + } + + if (access_type == PCI_ACCESS_WRITE) { + *VR4131_PCICONFDREG = *data; + } else { + *data = *VR4131_PCICONFDREG; + } + + return (0); +} + +static int vr4131_pci_read_config_byte (u32 hose, u32 dev, u32 reg, u8 * val) +{ + u32 data; + + if (vr4131_pci_config_access (PCI_ACCESS_READ, dev, reg, &data)) + return -1; + + *val = (data >> ((reg & 3) << 3)) & 0xff; + + return 0; +} + + +static int vr4131_pci_read_config_word (u32 hose, u32 dev, u32 reg, u16 * val) +{ + u32 data; + + if (reg & 1) + return -1; + + if (vr4131_pci_config_access (PCI_ACCESS_READ, dev, reg, &data)) + return -1; + + *val = (data >> ((reg & 3) << 3)) & 0xffff; + + return 0; +} + + +static int vr4131_pci_read_config_dword (u32 hose, u32 dev, u32 reg, + u32 * val) +{ + u32 data = 0; + + if (reg & 3) + return -1; + + if (vr4131_pci_config_access (PCI_ACCESS_READ, dev, reg, &data)) + return -1; + + *val = data; + + return (0); +} + +static int vr4131_pci_write_config_byte (u32 hose, u32 dev, u32 reg, u8 val) +{ + u32 data = 0; + + if (vr4131_pci_config_access (PCI_ACCESS_READ, dev, reg, &data)) + return -1; + + data = (data & ~(0xff << ((reg & 3) << 3))) | (val << + ((reg & 3) << 3)); + + if (vr4131_pci_config_access (PCI_ACCESS_WRITE, dev, reg, &data)) + return -1; + + return 0; +} + + +static int vr4131_pci_write_config_word (u32 hose, u32 dev, u32 reg, u16 val) +{ + u32 data = 0; + + if (reg & 1) + return -1; + + if (vr4131_pci_config_access (PCI_ACCESS_READ, dev, reg, &data)) + return -1; + + data = (data & ~(0xffff << ((reg & 3) << 3))) | (val << + ((reg & 3) << 3)); + + if (vr4131_pci_config_access (PCI_ACCESS_WRITE, dev, reg, &data)) + return -1; + + return 0; +} + +static int vr4131_pci_write_config_dword (u32 hose, u32 dev, u32 reg, u32 val) +{ + u32 data; + + if (reg & 3) { + return -1; + } + + data = val; + + if (vr4131_pci_config_access (PCI_ACCESS_WRITE, dev, reg, &data)) + return -1; + + return (0); +} + + +/* + * Initialize VR4131 PCIU + */ + +vr4131_pciu_init () +{ + /* PCI clock */ + *VR4131_PCICLKSELREG = 0x00000002; + + /* PCI memory and I/O space */ + *VR4131_PCIMMAW1REG = 0x100F9010; + *VR4131_PCIMMAW2REG = 0x140FD014; + *VR4131_PCIMIOAWREG = 0x160FD000; + + /* Target memory window */ + *VR4131_PCITAW1REG = 0x00081000; /* 64MB */ + *VR4131_PCITAW2REG = 0x00000000; + + *VR4131_MAILBAREG = 0UL; + *VR4131_PCIMBA1REG = 0UL; + + *VR4131_PCITRDYREG = 0x00008004; + + *VR4131_PCIENREG = 0x00000004; /* PCI enable */ + *VR4131_COMMANDREG = 0x02000007; +} + +/* + * Initialize Module + */ + +void init_vr4131_pci (struct pci_controller *hose) +{ + hose->first_busno = 0; + hose->last_busno = 0xff; + + vr4131_pciu_init (); /* Initialize VR4131 PCIU */ + + /* PCI memory space #1 */ + pci_set_region (hose->regions + 0, + 0x10000000, 0xb0000000, 0x04000000, PCI_REGION_MEM); + + /* PCI memory space #2 */ + pci_set_region (hose->regions + 1, + 0x14000000, 0xb4000000, 0x02000000, PCI_REGION_MEM); + + + /* PCI I/O space */ + pci_set_region (hose->regions + 2, + 0x16000000, 0xb6000000, 0x02000000, PCI_REGION_IO); + + /* System memory space */ + pci_set_region (hose->regions + 3, + 0x00000000, + 0x80000000, + 0x04000000, PCI_REGION_MEM | PCI_REGION_MEMORY); + + hose->region_count = 4; + + hose->read_byte = vr4131_pci_read_config_byte; + hose->read_word = vr4131_pci_read_config_word; + hose->read_dword = vr4131_pci_read_config_dword; + hose->write_byte = vr4131_pci_write_config_byte; + hose->write_word = vr4131_pci_write_config_word; + hose->write_dword = vr4131_pci_write_config_dword; + + pci_register_hose (hose); + + hose->last_busno = pci_hose_scan (hose); + + return; +} -- cgit v1.2.3