From 0267768eddc5ca7bc1865bc40c866829ac5efbfe Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:41:37 -0500 Subject: [PATCH 01/11] * Modify bootm command to support booting with flat device trees Patch by Matthew McClintock 26-June-2006 --- README | 54 ++++++++++++++++++++++++++++++++++++++++++++++ common/cmd_bootm.c | 40 ++++++++++++++++++++++------------ 2 files changed, 80 insertions(+), 14 deletions(-) diff --git a/README b/README index 5ed30f27c..0fda03f3c 100644 --- a/README +++ b/README @@ -447,6 +447,11 @@ The following options need to be configured: Board code has addition modification that it wants to make to the flat device tree before handing it off to the kernel + CONFIG_OF_BOOT_CPU + + This define fills in the correct boot cpu in the boot + param header, the default value is zero if undefined. + - Serial Ports: CFG_PL010_SERIAL @@ -3013,6 +3018,55 @@ format!) to the "bootm" command: bash# +Boot Linux and pass a flat device tree: +----------- + +First, U-Boot must be compiled with the appropriate defines. See the section +titled "Linux Kernel Interface" above for a more in depth explanation. The +following is an example of how to start a kernel and pass an updated +flat device tree: + +=> print oftaddr +oftaddr=0x300000 +=> print oft +oft=oftrees/mpc8540ads.dtb +=> tftp $oftaddr $oft +Speed: 1000, full duplex +Using TSEC0 device +TFTP from server 192.168.1.1; our IP address is 192.168.1.101 +Filename 'oftrees/mpc8540ads.dtb'. +Load address: 0x300000 +Loading: # +done +Bytes transferred = 4106 (100a hex) +=> tftp $loadaddr $bootfile +Speed: 1000, full duplex +Using TSEC0 device +TFTP from server 192.168.1.1; our IP address is 192.168.1.2 +Filename 'uImage'. +Load address: 0x200000 +Loading:############ +done +Bytes transferred = 1029407 (fb51f hex) +=> print loadaddr +loadaddr=200000 +=> print oftaddr +oftaddr=0x300000 +=> bootm $loadaddr - $oftaddr +## Booting image at 00200000 ... + Image Name: Linux-2.6.17-dirty + Image Type: PowerPC Linux Kernel Image (gzip compressed) + Data Size: 1029343 Bytes = 1005.2 kB + Load Address: 00000000 + Entry Point: 00000000 + Verifying Checksum ... OK + Uncompressing Kernel Image ... OK +Booting using flat device tree at 0x300000 +Using MPC85xx ADS machine description +Memory CAM mapping: CAM0=256Mb, CAM1=256Mb, CAM2=0Mb residual: 0Mb +[snip] + + More About U-Boot Image Types: ------------------------------ diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index fdf7180a1..a472a1d7b 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -465,6 +465,13 @@ U_BOOT_CMD( "[addr [arg ...]]\n - boot application image stored in memory\n" "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n" "\t'arg' can be the address of an initrd image\n" +#ifdef CONFIG_OF_FLAT_TREE + "\tWhen booting a Linux kernel which requires a flat device-tree\n" + "\ta third argument is required which is the address of the of the\n" + "\tdevice-tree blob. To boot that kernel without an initrd image,\n" + "\tuse a '-' for the second argument. If you do not pass a third\n" + "\ta bd_info struct will be passed instead\n" +#endif ); #ifdef CONFIG_SILENT_CONSOLE @@ -500,11 +507,6 @@ fixup_silent_linux () } #endif /* CONFIG_SILENT_CONSOLE */ -#ifdef CONFIG_OF_FLAT_TREE -extern const unsigned char oftree_dtb[]; -extern const unsigned int oftree_dtb_len; -#endif - #ifdef CONFIG_PPC static void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, @@ -616,7 +618,17 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, /* * Check if there is an initrd image */ + +#ifdef CONFIG_OF_FLAT_TREE + /* Look for a '-' which indicates to ignore the ramdisk argument */ + if (argc >= 3 && strcmp(argv[2], "-") == 0) { + debug ("Skipping initrd\n"); + data = 0; + } + else +#endif if (argc >= 3) { + debug ("Not skipping initrd\n"); SHOW_BOOT_PROGRESS (9); addr = simple_strtoul(argv[2], NULL, 16); @@ -724,6 +736,15 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, len = data = 0; } +#ifdef CONFIG_OF_FLAT_TREE + if (argc >= 3) + { + of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16); + printf ("Booting using flat device tree at 0x%x\n", + of_flat_tree); + } +#endif + if (!data) { debug ("No initrd\n"); } @@ -793,15 +814,6 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, initrd_end = 0; } -#ifdef CONFIG_OF_FLAT_TREE - if (initrd_start == 0) - of_flat_tree = (char *)(((ulong)kbd - OF_FLAT_TREE_MAX_SIZE - - sizeof(bd_t)) & ~0xF); - else - of_flat_tree = (char *)((initrd_start - OF_FLAT_TREE_MAX_SIZE - - sizeof(bd_t)) & ~0xF); -#endif - debug ("## Transferring control to Linux (at address %08lx) ...\n", (ulong)kernel); From 5498d90312aad9f6bdbf047986027c35b03cd163 Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:42:24 -0500 Subject: [PATCH 02/11] * Patch to modify ft_build.c to update flat device trees in place Patch by Matthew McClintock 26-June-2006 --- common/cmd_bootm.c | 2 +- common/ft_build.c | 343 ++++++++++++++------------------------------- include/ft_build.h | 19 +-- 3 files changed, 116 insertions(+), 248 deletions(-) diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index a472a1d7b..f1c0eb4d1 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -836,7 +836,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); #else - ft_setup(of_flat_tree, OF_FLAT_TREE_MAX_SIZE, kbd, initrd_start, initrd_end); + ft_setup(of_flat_tree, kbd, initrd_start, initrd_end); /* ft_dump_blob(of_flat_tree); */ #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500) diff --git a/common/ft_build.c b/common/ft_build.c index 9e9c906fc..b5a997c1b 100644 --- a/common/ft_build.c +++ b/common/ft_build.c @@ -1,5 +1,22 @@ /* * OF flat tree builder + * Written by: Pantelis Antoniou + * Updated by: Matthew McClintock + * + * 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 @@ -13,44 +30,39 @@ #include +#undef DEBUG + /* align addr on a size boundary - adjust address up if needed -- Cort */ #define _ALIGN(addr,size) (((addr)+(size)-1)&(~((size)-1))) +#ifndef CONFIG_OF_BOOT_CPU +#define CONFIG_OF_BOOT_CPU 0 +#endif +#define SIZE_OF_RSVMAP_ENTRY (2*sizeof(u64)) static void ft_put_word(struct ft_cxt *cxt, u32 v) { - if (cxt->overflow) /* do nothing */ - return; - - /* check for overflow */ - if (cxt->p + 4 > cxt->pstr) { - cxt->overflow = 1; - return; - } + memmove(cxt->p + sizeof(u32), cxt->p, cxt->p_end - cxt->p); *(u32 *) cxt->p = cpu_to_be32(v); - cxt->p += 4; + cxt->p += sizeof(u32); + cxt->p_end += sizeof(u32); } static inline void ft_put_bin(struct ft_cxt *cxt, const void *data, int sz) { - u8 *p; + int aligned_size = ((u8 *)_ALIGN((unsigned long)cxt->p + sz, + sizeof(u32))) - cxt->p; - if (cxt->overflow) /* do nothing */ - return; + memmove(cxt->p + aligned_size, cxt->p, cxt->p_end - cxt->p); - /* next pointer pos */ - p = (u8 *) _ALIGN((unsigned long)cxt->p + sz, 4); - - /* check for overflow */ - if (p > cxt->pstr) { - cxt->overflow = 1; - return; - } + /* make sure the last bytes are zeroed */ + memset(cxt->p + aligned_size - (aligned_size % sizeof(u32)), 0, + (aligned_size % sizeof(u32))); memcpy(cxt->p, data, sz); - if ((sz & 3) != 0) - memset(cxt->p + sz, 0, 4 - (sz & 3)); - cxt->p = p; + + cxt->p += aligned_size; + cxt->p_end += aligned_size; } void ft_begin_node(struct ft_cxt *cxt, const char *name) @@ -73,10 +85,10 @@ static int lookup_string(struct ft_cxt *cxt, const char *name) { u8 *p; - p = cxt->pstr; - while (p < cxt->pstr_begin) { + p = cxt->p; + while (p < cxt->p_end) { if (strcmp(p, name) == 0) - return p - cxt->p_begin; + return p - cxt->p; p += strlen(p) + 1; } @@ -85,24 +97,13 @@ static int lookup_string(struct ft_cxt *cxt, const char *name) void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz) { - int len, off; - - if (cxt->overflow) - return; - - len = strlen(name) + 1; + int off = 0; off = lookup_string(cxt, name); if (off == -1) { - /* check if we have space */ - if (cxt->p + 12 + sz + len > cxt->pstr) { - cxt->overflow = 1; - return; - } - - cxt->pstr -= len; - memcpy(cxt->pstr, name, len); - off = cxt->pstr - cxt->p_begin; + memcpy(cxt->p_end, name, strlen(name) + 1); + off = cxt->p_end - cxt->p; + cxt->p_end += strlen(name) + 2; } /* now put offset from beginning of *STRUCTURE* */ @@ -122,137 +123,62 @@ void ft_prop_int(struct ft_cxt *cxt, const char *name, int val) { u32 v = cpu_to_be32((u32) val); - ft_prop(cxt, name, &v, 4); + ft_prop(cxt, name, &v, sizeof(u32)); } -/* start construction of the flat OF tree */ -void ft_begin(struct ft_cxt *cxt, void *blob, int max_size) +/* pick up and start working on a tree in place */ +void ft_init_cxt(struct ft_cxt *cxt, void *blob) { struct boot_param_header *bph = blob; - u32 off; - /* clear the cxt */ memset(cxt, 0, sizeof(*cxt)); cxt->bph = bph; - cxt->max_size = max_size; + bph->boot_cpuid_phys = CONFIG_OF_BOOT_CPU; - /* zero everything in the header area */ - memset(bph, 0, sizeof(*bph)); + /* find beginning and end of reserve map table (zeros in last entry) */ + cxt->p_rsvmap = (u8 *)bph + bph->off_mem_rsvmap; + while ( ((uint64_t *)cxt->p_rsvmap)[0] != 0 && + ((uint64_t *)cxt->p_rsvmap)[1] != 0 ) { + cxt->p_rsvmap += SIZE_OF_RSVMAP_ENTRY; + } - bph->magic = cpu_to_be32(OF_DT_HEADER); - bph->version = cpu_to_be32(0x10); - bph->last_comp_version = cpu_to_be32(0x10); - - /* start pointers */ - cxt->pres_begin = (u8 *) _ALIGN((unsigned long)(bph + 1), 8); - cxt->pres = cxt->pres_begin; - - off = (unsigned long)cxt->pres_begin - (unsigned long)bph; - bph->off_mem_rsvmap = cpu_to_be32(off); - - ((u64 *) cxt->pres)[0] = 0; /* phys = 0, size = 0, terminate */ - ((u64 *) cxt->pres)[1] = 0; - - cxt->p_anchor = cxt->pres + 16; /* over the terminator */ + cxt->p_start = (char*)bph + bph->off_dt_struct; + cxt->p_end = (char *)bph + bph->totalsize; + cxt->p = (char *)bph + bph->off_dt_strings; } /* add a reserver physical area to the rsvmap */ -void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size) +void ft_add_rsvmap(struct ft_cxt *cxt, u64 physstart, u64 physend) { - ((u64 *) cxt->pres)[0] = cpu_to_be64(physaddr); /* phys = 0, size = 0, terminate */ - ((u64 *) cxt->pres)[1] = cpu_to_be64(size); + memmove(cxt->p_rsvmap + SIZE_OF_RSVMAP_ENTRY, cxt->p_rsvmap, + cxt->p_end - cxt->p_rsvmap); - cxt->pres += 16; /* advance */ + ((u64 *)cxt->p_rsvmap)[0] = cpu_to_be64(physstart); + ((u64 *)cxt->p_rsvmap)[1] = cpu_to_be64(physend); + ((u64 *)cxt->p_rsvmap)[2] = 0; + ((u64 *)cxt->p_rsvmap)[3] = 0; - ((u64 *) cxt->pres)[0] = 0; /* phys = 0, size = 0, terminate */ - ((u64 *) cxt->pres)[1] = 0; - - /* keep track of size */ - cxt->res_size = cxt->pres + 16 - cxt->pres_begin; - - cxt->p_anchor = cxt->pres + 16; /* over the terminator */ + cxt->p_rsvmap += SIZE_OF_RSVMAP_ENTRY; + cxt->p_start += SIZE_OF_RSVMAP_ENTRY; + cxt->p += SIZE_OF_RSVMAP_ENTRY; + cxt->p_end += SIZE_OF_RSVMAP_ENTRY; } -void ft_begin_tree(struct ft_cxt *cxt) +void ft_end_tree(struct ft_cxt *cxt) { - cxt->p_begin = cxt->p_anchor; - cxt->pstr_begin = (char *)cxt->bph + cxt->max_size; /* point at the end */ - - cxt->p = cxt->p_begin; - cxt->pstr = cxt->pstr_begin; -} - -int ft_end_tree(struct ft_cxt *cxt) -{ - struct boot_param_header *bph = cxt->bph; - int off, sz, sz1; - u32 tag, v; - u8 *p; - ft_put_word(cxt, OF_DT_END); - - if (cxt->overflow) - return -ENOMEM; - - /* size of the areas */ - cxt->struct_size = cxt->p - cxt->p_begin; - cxt->strings_size = cxt->pstr_begin - cxt->pstr; - - /* the offset we must move */ - off = (cxt->pstr_begin - cxt->p_begin) - cxt->strings_size; - - /* the new strings start */ - cxt->pstr_begin = cxt->p_begin + cxt->struct_size; - - /* move the whole string area */ - memmove(cxt->pstr_begin, cxt->pstr, cxt->strings_size); - - /* now perform the fixup of the strings */ - p = cxt->p_begin; - while ((tag = be32_to_cpu(*(u32 *) p)) != OF_DT_END) { - p += 4; - - if (tag == OF_DT_BEGIN_NODE) { - p = (u8 *) _ALIGN((unsigned long)p + strlen(p) + 1, 4); - continue; - } - - if (tag == OF_DT_END_NODE || tag == OF_DT_NOP) - continue; - - if (tag != OF_DT_PROP) - return -EINVAL; - - sz = be32_to_cpu(*(u32 *) p); - p += 4; - - v = be32_to_cpu(*(u32 *) p); - v -= off; - *(u32 *) p = cpu_to_be32(v); /* move down */ - p += 4; - - p = (u8 *) _ALIGN((unsigned long)p + sz, 4); - } - - /* fix sizes */ - p = (char *)cxt->bph; - sz = (cxt->pstr_begin + cxt->strings_size) - p; - sz1 = _ALIGN(sz, 16); /* align at 16 bytes */ - if (sz != sz1) - memset(p + sz, 0, sz1 - sz); - bph->totalsize = cpu_to_be32(sz1); - bph->off_dt_struct = cpu_to_be32(cxt->p_begin - p); - bph->off_dt_strings = cpu_to_be32(cxt->pstr_begin - p); - - /* the new strings start */ - cxt->pstr_begin = cxt->p_begin + cxt->struct_size; - cxt->pstr = cxt->pstr_begin + cxt->strings_size; - - return 0; } -/**********************************************************************/ +/* update the boot param header with correct values */ +void ft_finalize_tree(struct ft_cxt *cxt) { + struct boot_param_header *bph = cxt->bph; + + bph->totalsize = cxt->p_end - (u8 *)bph; + bph->off_dt_struct = cxt->p_start - (u8 *)bph; + bph->off_dt_strings = cxt->p - (u8 *)bph; + bph->dt_strings_size = cxt->p_end - cxt->p; +} static inline int isprint(int c) { @@ -299,16 +225,16 @@ static void print_data(const void *data, int len) switch (len) { case 1: /* byte */ - printf(" = <0x%02x>", (*(u8 *) data) & 0xff); + printf(" = <%02x>", (*(u8 *) data) & 0xff); break; case 2: /* half-word */ - printf(" = <0x%04x>", be16_to_cpu(*(u16 *) data) & 0xffff); + printf(" = <%04x>", be16_to_cpu(*(u16 *) data) & 0xffff); break; case 4: /* word */ - printf(" = <0x%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU); + printf(" = <%x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU); break; case 8: /* double-word */ - printf(" = <0x%16llx>", be64_to_cpu(*(uint64_t *) data)); + printf(" = <%qx>", be64_to_cpu(*(uint64_t *) data)); break; default: /* anything else... hexdump */ printf(" = ["); @@ -350,7 +276,7 @@ void ft_dump_blob(const void *bphp) if (addr == 0 && size == 0) break; - printf("/memreserve/ 0x%llx 0x%llx;\n", addr, size); + printf("/memreserve/ %qx %qx;\n", addr, size); } p = p_struct; @@ -381,8 +307,8 @@ void ft_dump_blob(const void *bphp) } if (tag != OF_DT_PROP) { - fprintf(stderr, "%*s ** Unknown tag 0x%08x\n", - depth * shift, "", tag); + fprintf(stderr, "%*s ** Unknown tag 0x%08x at 0x%x\n", + depth * shift, "", tag, --p); break; } sz = be32_to_cpu(*p++); @@ -397,64 +323,15 @@ void ft_dump_blob(const void *bphp) void ft_backtrack_node(struct ft_cxt *cxt) { - if (be32_to_cpu(*(u32 *) (cxt->p - 4)) != OF_DT_END_NODE) - return; /* XXX only for node */ + int i = 4; - cxt->p -= 4; -} + while (be32_to_cpu(*(u32 *) (cxt->p - i)) != OF_DT_END_NODE) + i += 4; -/* note that the root node of the blob is "peeled" off */ -void ft_merge_blob(struct ft_cxt *cxt, void *blob) -{ - struct boot_param_header *bph = (struct boot_param_header *)blob; - u32 *p_struct = (u32 *) ((char *)bph + be32_to_cpu(bph->off_dt_struct)); - u32 *p_strings = - (u32 *) ((char *)bph + be32_to_cpu(bph->off_dt_strings)); - u32 tag, *p; - char *s, *t; - int depth, sz; + memmove (cxt->p - i, cxt->p, cxt->p_end - cxt->p); - if (be32_to_cpu(*(u32 *) (cxt->p - 4)) != OF_DT_END_NODE) - return; /* XXX only for node */ - - cxt->p -= 4; - - depth = 0; - p = p_struct; - while ((tag = be32_to_cpu(*p++)) != OF_DT_END) { - - /* printf("tag: 0x%08x (%d) - %d\n", tag, p - p_struct, depth); */ - - if (tag == OF_DT_BEGIN_NODE) { - s = (char *)p; - p = (u32 *) _ALIGN((unsigned long)p + strlen(s) + 1, 4); - - if (depth++ > 0) - ft_begin_node(cxt, s); - - continue; - } - - if (tag == OF_DT_END_NODE) { - ft_end_node(cxt); - if (--depth == 0) - break; - continue; - } - - if (tag == OF_DT_NOP) - continue; - - if (tag != OF_DT_PROP) - break; - - sz = be32_to_cpu(*p++); - s = (char *)p_strings + be32_to_cpu(*p++); - t = (char *)p; - p = (u32 *) _ALIGN((unsigned long)p + sz, 4); - - ft_prop(cxt, s, t, sz); - } + cxt->p_end -= i; + cxt->p -= i; } void *ft_get_prop(void *bphp, const char *propname, int *szp) @@ -521,9 +398,6 @@ void *ft_get_prop(void *bphp, const char *propname, int *szp) /********************************************************************/ -extern unsigned char oftree_dtb[]; -extern unsigned int oftree_dtb_len; - /* Function that returns a character from the environment */ extern uchar(*env_get_char) (int); @@ -577,7 +451,7 @@ static const struct { }; #endif -void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_end) +void ft_setup(void *blob, bd_t * bd, ulong initrd_start, ulong initrd_end) { u32 *p; int len; @@ -600,20 +474,16 @@ void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_ return; } - ft_begin(&cxt, blob, size); +#ifdef DEBUG + printf ("recieved oftree\n"); + ft_dump_blob(blob); +#endif + + ft_init_cxt(&cxt, blob); if (initrd_start && initrd_end) ft_add_rsvmap(&cxt, initrd_start, initrd_end - initrd_start + 1); - ft_begin_tree(&cxt); - - ft_begin_node(&cxt, ""); - - ft_end_node(&cxt); - - /* copy RO tree */ - ft_merge_blob(&cxt, oftree_dtb); - /* back into root */ ft_backtrack_node(&cxt); @@ -642,8 +512,8 @@ void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_ #endif ft_begin_node(&cxt, "chosen"); - ft_prop_str(&cxt, "name", "chosen"); + ft_prop_str(&cxt, "bootargs", getenv("bootargs")); ft_prop_int(&cxt, "linux,platform", 0x600); /* what is this? */ if (initrd_start && initrd_end) { @@ -659,11 +529,7 @@ void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_ ft_end_node(&cxt); /* end root */ ft_end_tree(&cxt); - - /* - printf("merged OF-tree\n"); - ft_dump_blob(blob); - */ + ft_finalize_tree(&cxt); #ifdef CONFIG_OF_HAS_BD_T /* paste the bd_t at the end of the flat tree */ @@ -712,11 +578,12 @@ void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_ ft_board_setup(blob, bd); #endif - /* - printf("final OF-tree\n"); - ft_dump_blob(blob); - */ - -} + /* in case the size changed in the platform code */ + ft_finalize_tree(&cxt); +#ifdef DEBUG + printf("final OF-tree\n"); + ft_dump_blob(blob); +#endif +} #endif diff --git a/include/ft_build.h b/include/ft_build.h index 47ca575d9..f5156879d 100644 --- a/include/ft_build.h +++ b/include/ft_build.h @@ -36,19 +36,18 @@ struct boot_param_header { struct ft_cxt { struct boot_param_header *bph; - int max_size; /* maximum size of tree */ - int overflow; /* set when this happens */ - u8 *p, *pstr, *pres; /* running pointers */ - u8 *p_begin, *pstr_begin, *pres_begin; /* starting pointers */ - u8 *p_anchor; /* start of constructed area */ - int struct_size, strings_size, res_size; + u8 *p_rsvmap; + u8 *p_start; /* pointer to beginning of dt_struct */ + u8 *p_end; /* pointer to end of dt_strings */ + u8 *p; /* pointer to end of dt_struct and beginning of dt_strings */ }; void ft_begin_node(struct ft_cxt *cxt, const char *name); +void ft_init_cxt(struct ft_cxt *cxt, void *blob); void ft_end_node(struct ft_cxt *cxt); -void ft_begin_tree(struct ft_cxt *cxt); -int ft_end_tree(struct ft_cxt *cxt); +void ft_end_tree(struct ft_cxt *cxt); +void ft_finalize_tree(struct ft_cxt *cxt); void ft_nop(struct ft_cxt *cxt); void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz); @@ -57,12 +56,14 @@ void ft_prop_int(struct ft_cxt *cxt, const char *name, int val); void ft_begin(struct ft_cxt *cxt, void *blob, int max_size); void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size); -void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_end); +void ft_setup(void *blob, bd_t * bd, ulong initrd_start, ulong initrd_end); void ft_dump_blob(const void *bphp); void ft_merge_blob(struct ft_cxt *cxt, void *blob); void *ft_get_prop(void *bphp, const char *propname, int *szp); +#ifdef CONFIG_OF_BOARD_SETUP void ft_board_setup(void *blob, bd_t *bd); +#endif #endif From 855e6fb073f9d04fe4a7f06c107ecbac6344ddd4 Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:43:00 -0500 Subject: [PATCH 03/11] * Removed the oftree.dts for stxxtx in light of the changes to the flat device tree handling code Patch by Matthew McClintock 26-June-2006 --- board/stxxtc/Makefile | 10 +------- board/stxxtc/oftree.dts | 52 ----------------------------------------- 2 files changed, 1 insertion(+), 61 deletions(-) delete mode 100644 board/stxxtc/oftree.dts diff --git a/board/stxxtc/Makefile b/board/stxxtc/Makefile index 11065cfd2..8c529a061 100644 --- a/board/stxxtc/Makefile +++ b/board/stxxtc/Makefile @@ -25,19 +25,11 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o oftree.o +OBJS = $(BOARD).o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) -%.dtb: %.dts - dtc -f -V 0x10 -I dts -O dtb $< >$@ - -%.c: %.dtb - xxd -i $< \ - | sed -e "s/^unsigned char/const unsigned char/g" \ - | sed -e "s/^unsigned int/const unsigned int/g" > $@ - ######################################################################### .depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) diff --git a/board/stxxtc/oftree.dts b/board/stxxtc/oftree.dts deleted file mode 100644 index e3f301794..000000000 --- a/board/stxxtc/oftree.dts +++ /dev/null @@ -1,52 +0,0 @@ -/ { - model = "STXXTC V1"; - compatible = "STXXTC"; - #address-cells = <2>; - #size-cells = <2>; - - cpus { - linux,phandle = <1>; - #address-cells = <1>; - #size-cells = <0>; - PowerPC,MPC870@0 { - linux,phandle = <3>; - name = "PowerPC,MPC870"; - device_type = "cpu"; - reg = <0>; - clock-frequency = <0>; /* place-holder for runtime fillup */ - timebase-frequency = <0>; /* dido */ - linux,boot-cpu; - i-cache-size = <2000>; - d-cache-size = <2000>; - 32-bit; - }; - }; - - memory@0 { - device_type = "memory"; - reg = <00000000 00000000 00000000 20000000>; - }; - - /* copy of the bd_t information (place-holders) */ - bd_t { - memstart = <0>; - memsize = <0>; - flashstart = <0>; - flashsize = <0>; - flashoffset = <0>; - sramstart = <0>; - sramsize = <0>; - - immr_base = <0>; - - bootflags = <0>; - ip_addr = <0>; - enetaddr = [ 00 00 00 00 00 00 ]; - ethspeed = <0>; - intfreq = <0>; - busfreq = <0>; - - baudrate = <0>; - }; - -}; From 0e16387db1d4aacd5bf35cb6d7c1942765c0347b Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:43:36 -0500 Subject: [PATCH 04/11] * Add Flat Dev Tree construction for MPC85xx ADS and CDS boards Patch by Jon Loeliger 17-Jan-2006 Signed-off-by: Jon Loeliger --- board/cds/common/ft_board.c | 46 ++++++++++++++++++++++++++++++++ board/cds/mpc8541cds/Makefile | 3 ++- board/cds/mpc8548cds/Makefile | 3 ++- board/cds/mpc8555cds/Makefile | 3 ++- board/mpc8540ads/mpc8540ads.c | 24 +++++++++++++++++ board/mpc8560ads/mpc8560ads.c | 9 +++++++ cpu/mpc85xx/cpu.c | 50 ++++++++++++++++++++++++++++++++++- cpu/mpc85xx/cpu_init.c | 1 + include/configs/MPC8540ADS.h | 15 +++++++++++ include/configs/MPC8541CDS.h | 12 +++++++++ include/configs/MPC8548CDS.h | 12 +++++++++ include/configs/MPC8555CDS.h | 12 +++++++++ include/configs/MPC8560ADS.h | 12 +++++++++ 13 files changed, 198 insertions(+), 4 deletions(-) create mode 100644 board/cds/common/ft_board.c diff --git a/board/cds/common/ft_board.c b/board/cds/common/ft_board.c new file mode 100644 index 000000000..73eca5e69 --- /dev/null +++ b/board/cds/common/ft_board.c @@ -0,0 +1,46 @@ +/* + * Copyright 2004 Freescale Semiconductor. + * + * 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 + +#if defined(CONFIG_OF_FLAT_TREE) +#include +extern void ft_cpu_setup(void *blob, bd_t *bd); +#endif + + +#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) +void +ft_board_setup(void *blob, bd_t *bd) +{ + u32 *p; + int len; + + ft_cpu_setup(blob, bd); + + p = ft_get_prop(blob, "/memory/reg", &len); + if (p != NULL) { + *p++ = cpu_to_be32(bd->bi_memstart); + *p = cpu_to_be32(bd->bi_memsize); + } +} +#endif diff --git a/board/cds/mpc8541cds/Makefile b/board/cds/mpc8541cds/Makefile index 0d4abbd71..aea61360a 100644 --- a/board/cds/mpc8541cds/Makefile +++ b/board/cds/mpc8541cds/Makefile @@ -28,7 +28,8 @@ LIB = lib$(BOARD).a OBJS := $(BOARD).o \ ../common/cadmus.o \ - ../common/eeprom.o + ../common/eeprom.o \ + ../common/ft_board.o SOBJS := init.o diff --git a/board/cds/mpc8548cds/Makefile b/board/cds/mpc8548cds/Makefile index 0d4abbd71..aea61360a 100644 --- a/board/cds/mpc8548cds/Makefile +++ b/board/cds/mpc8548cds/Makefile @@ -28,7 +28,8 @@ LIB = lib$(BOARD).a OBJS := $(BOARD).o \ ../common/cadmus.o \ - ../common/eeprom.o + ../common/eeprom.o \ + ../common/ft_board.o SOBJS := init.o diff --git a/board/cds/mpc8555cds/Makefile b/board/cds/mpc8555cds/Makefile index 0d4abbd71..aea61360a 100644 --- a/board/cds/mpc8555cds/Makefile +++ b/board/cds/mpc8555cds/Makefile @@ -28,7 +28,8 @@ LIB = lib$(BOARD).a OBJS := $(BOARD).o \ ../common/cadmus.o \ - ../common/eeprom.o + ../common/eeprom.o \ + ../common/ft_board.o SOBJS := init.o diff --git a/board/mpc8540ads/mpc8540ads.c b/board/mpc8540ads/mpc8540ads.c index d0eb6904a..855888d27 100644 --- a/board/mpc8540ads/mpc8540ads.c +++ b/board/mpc8540ads/mpc8540ads.c @@ -31,6 +31,12 @@ #include #include +#if defined(CONFIG_OF_FLAT_TREE) +#include +extern void ft_cpu_setup(void *blob, bd_t *bd); +#endif + + #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) extern void ddr_enable_ecc(unsigned int dram_size); #endif @@ -342,3 +348,21 @@ pci_init_board(void) pci_mpc85xx_init(&hose); #endif /* CONFIG_PCI */ } + + +#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) +void +ft_board_setup(void *blob, bd_t *bd) +{ + u32 *p; + int len; + + ft_cpu_setup(blob, bd); + + p = ft_get_prop(blob, "/memory/reg", &len); + if (p != NULL) { + *p++ = cpu_to_be32(bd->bi_memstart); + *p = cpu_to_be32(bd->bi_memsize); + } +} +#endif diff --git a/board/mpc8560ads/mpc8560ads.c b/board/mpc8560ads/mpc8560ads.c index 25f69a0bf..f9d75e805 100644 --- a/board/mpc8560ads/mpc8560ads.c +++ b/board/mpc8560ads/mpc8560ads.c @@ -544,3 +544,12 @@ pci_init_board(void) pci_mpc85xx_init(&hose); #endif /* CONFIG_PCI */ } + + +#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) +void +ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); +} +#endif diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c index f7fe22e3e..0507c47e6 100644 --- a/cpu/mpc85xx/cpu.c +++ b/cpu/mpc85xx/cpu.c @@ -30,7 +30,10 @@ #include #include -/* ------------------------------------------------------------------------- */ +#if defined(CONFIG_OF_FLAT_TREE) +#include +#endif + int checkcpu (void) { @@ -227,3 +230,48 @@ int dma_xfer(void *dest, uint count, void *src) { return dma_check(); } #endif + + +#ifdef CONFIG_OF_FLAT_TREE +void +ft_cpu_setup(void *blob, bd_t *bd) +{ + u32 *p; + ulong clock; + int len; + + clock = bd->bi_busfreq; + p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(clock); + + p = ft_get_prop(blob, "/" OF_SOC "/serial@4500/clock-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(clock); + + p = ft_get_prop(blob, "/" OF_SOC "/serial@4600/clock-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(clock); + +#if defined(CONFIG_MPC85XX_TSEC1) + p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/mac-address", &len); + memcpy(p, bd->bi_enetaddr, 6); +#endif + +#if defined(CONFIG_HAS_ETH1) + p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/mac-address", &len); + memcpy(p, bd->bi_enet1addr, 6); +#endif + +#if defined(CONFIG_HAS_ETH2) + p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/mac-address", &len); + memcpy(p, bd->bi_enet2addr, 6); +#endif + +#if defined(CONFIG_HAS_ETH3) + p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/mac-address", &len); + memcpy(p, bd->bi_enet3addr, 6); +#endif + +} +#endif diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c index c12b47b58..9f4d36c1a 100644 --- a/cpu/mpc85xx/cpu_init.c +++ b/cpu/mpc85xx/cpu_init.c @@ -32,6 +32,7 @@ DECLARE_GLOBAL_DATA_PTR; + #ifdef CONFIG_CPM2 static void config_8560_ioports (volatile immap_t * immr) { diff --git a/include/configs/MPC8540ADS.h b/include/configs/MPC8540ADS.h index 131c83224..d31a18b79 100644 --- a/include/configs/MPC8540ADS.h +++ b/include/configs/MPC8540ADS.h @@ -293,6 +293,21 @@ #define CFG_PROMPT_HUSH_PS2 "> " #endif +/* pass open firmware flat tree */ +#define CONFIG_OF_FLAT_TREE 1 +#define CONFIG_OF_BOARD_SETUP 1 + +/* maximum size of the flat tree (8K) */ +#define OF_FLAT_TREE_MAX_SIZE 8192 + +#define OF_CPU "PowerPC,8540@0" +#define OF_SOC "soc8540@e0000000" +#define OF_TBCLK (bd->bi_busfreq / 8) +#define OF_STDOUT_PATH "/soc8540@e0000000/serial@4500" + +#define CFG_64BIT_VSPRINTF 1 +#define CFG_64BIT_STRTOUL 1 + /* I2C */ #define CONFIG_HARD_I2C /* I2C with hardware support*/ #undef CONFIG_SOFT_I2C /* I2C bit-banged */ diff --git a/include/configs/MPC8541CDS.h b/include/configs/MPC8541CDS.h index c96b98b54..86bcfe324 100644 --- a/include/configs/MPC8541CDS.h +++ b/include/configs/MPC8541CDS.h @@ -308,6 +308,18 @@ extern unsigned long get_clock_freq(void); #define CFG_PROMPT_HUSH_PS2 "> " #endif +/* pass open firmware flat tree */ +#define CONFIG_OF_FLAT_TREE 1 +#define CONFIG_OF_BOARD_SETUP 1 + +/* maximum size of the flat tree (8K) */ +#define OF_FLAT_TREE_MAX_SIZE 8192 + +#define OF_CPU "PowerPC,8541@0" +#define OF_SOC "soc8541@e0000000" +#define OF_TBCLK (bd->bi_busfreq / 8) +#define OF_STDOUT_PATH "/soc8541@e0000000/serial@4500" + /* I2C */ #define CONFIG_HARD_I2C /* I2C with hardware support */ #undef CONFIG_SOFT_I2C /* I2C bit-banged */ diff --git a/include/configs/MPC8548CDS.h b/include/configs/MPC8548CDS.h index 4ca8bc35d..b1f8a192d 100644 --- a/include/configs/MPC8548CDS.h +++ b/include/configs/MPC8548CDS.h @@ -314,6 +314,18 @@ extern unsigned long get_clock_freq(void); #define CFG_PROMPT_HUSH_PS2 "> " #endif +/* pass open firmware flat tree */ +#define CONFIG_OF_FLAT_TREE 1 +#define CONFIG_OF_BOARD_SETUP 1 + +/* maximum size of the flat tree (8K) */ +#define OF_FLAT_TREE_MAX_SIZE 8192 + +#define OF_CPU "PowerPC,8548@0" +#define OF_SOC "soc8548@e0000000" +#define OF_TBCLK (bd->bi_busfreq / 8) +#define OF_STDOUT_PATH "/soc8548@e0000000/serial@4500" + /* I2C */ #define CONFIG_HARD_I2C /* I2C with hardware support */ #undef CONFIG_SOFT_I2C /* I2C bit-banged */ diff --git a/include/configs/MPC8555CDS.h b/include/configs/MPC8555CDS.h index a44e3ec84..b725dac52 100644 --- a/include/configs/MPC8555CDS.h +++ b/include/configs/MPC8555CDS.h @@ -308,6 +308,18 @@ extern unsigned long get_clock_freq(void); #define CFG_PROMPT_HUSH_PS2 "> " #endif +/* pass open firmware flat tree */ +#define CONFIG_OF_FLAT_TREE 1 +#define CONFIG_OF_BOARD_SETUP 1 + +/* maximum size of the flat tree (8K) */ +#define OF_FLAT_TREE_MAX_SIZE 8192 + +#define OF_CPU "PowerPC,8555@0" +#define OF_SOC "soc8555@e0000000" +#define OF_TBCLK (bd->bi_busfreq / 8) +#define OF_STDOUT_PATH "/soc8555@e0000000/serial@4500" + /* I2C */ #define CONFIG_HARD_I2C /* I2C with hardware support */ #undef CONFIG_SOFT_I2C /* I2C bit-banged */ diff --git a/include/configs/MPC8560ADS.h b/include/configs/MPC8560ADS.h index 2d5031b77..1c684f2fd 100644 --- a/include/configs/MPC8560ADS.h +++ b/include/configs/MPC8560ADS.h @@ -290,6 +290,18 @@ #define CFG_PROMPT_HUSH_PS2 "> " #endif +/* pass open firmware flat tree */ +#define CONFIG_OF_FLAT_TREE 1 +#define CONFIG_OF_BOARD_SETUP 1 + +/* maximum size of the flat tree (8K) */ +#define OF_FLAT_TREE_MAX_SIZE 8192 + +#define OF_CPU "PowerPC,8560@0" +#define OF_SOC "soc8560@e0000000" +#define OF_TBCLK (bd->bi_busfreq / 8) +#define OF_STDOUT_PATH "/soc8560@e0000000/serial@4500" + /* I2C */ #define CONFIG_HARD_I2C /* I2C with hardware support*/ #undef CONFIG_SOFT_I2C /* I2C bit-banged */ From a4e11558b810ef2cddffdf7b9d86bc1130441960 Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:44:23 -0500 Subject: [PATCH 05/11] * Made sure the code which disables prefetch for PCI devices sets the size of the prefetch region to 0 Patch by Andy Fleming on 17-Mar-2006 Signed-off-by: Andy Fleming --- drivers/pci_auto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci_auto.c b/drivers/pci_auto.c index 15f74328f..8fde3301e 100644 --- a/drivers/pci_auto.c +++ b/drivers/pci_auto.c @@ -186,7 +186,7 @@ static void pciauto_prescan_setup_bridge(struct pci_controller *hose, } else { /* We don't support prefetchable memory for now, so disable */ pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_BASE, 0x1000); - pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_LIMIT, 0x1000); + pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_LIMIT, 0x0); } if (pci_io) { From f0e6f57f71b3c4fdd13028eb03c3f3e91926dda2 Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:44:49 -0500 Subject: [PATCH 06/11] * Added PCI-X #defines for PCI-X initialization Patch by Andy Fleming on 17-Mar-2006 Signed-off-by: Andy Fleming --- include/pci.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/pci.h b/include/pci.h index 0fc00e427..e0e8783a7 100644 --- a/include/pci.h +++ b/include/pci.h @@ -270,6 +270,15 @@ #define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 4x rate */ #define PCI_AGP_SIZEOF 12 +/* PCI-X registers */ + +#define PCI_X_CMD_DPERR_E 0x0001 /* Data Parity Error Recovery Enable */ +#define PCI_X_CMD_ERO 0x0002 /* Enable Relaxed Ordering */ +#define PCI_X_CMD_MAX_READ 0x0000 /* Max Memory Read Byte Count */ +#define PCI_X_CMD_MAX_SPLIT 0x0030 /* Max Outstanding Split Transactions */ +#define PCI_X_CMD_VERSION(x) (((x) >> 12) & 3) /* Version */ + + /* Slot Identification */ #define PCI_SID_ESR 2 /* Expansion Slot Register */ From 97074ed9655309b64231bc2cee69fe85399f8055 Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:45:17 -0500 Subject: [PATCH 07/11] * Added support for initializing second PCI bus on 85xx Patch by Andy Fleming 17-Mar-2006 Signed-off-by: Andy Fleming --- cpu/mpc85xx/pci.c | 184 ++++++++++++++++++++++++++++------- include/asm-ppc/immap_85xx.h | 25 ++++- 2 files changed, 171 insertions(+), 38 deletions(-) diff --git a/cpu/mpc85xx/pci.c b/cpu/mpc85xx/pci.c index a94493e08..ca11bce22 100644 --- a/cpu/mpc85xx/pci.c +++ b/cpu/mpc85xx/pci.c @@ -32,17 +32,75 @@ #if defined(CONFIG_PCI) +static struct pci_controller *pci_hose; + void -pci_mpc85xx_init(struct pci_controller *hose) +pci_mpc85xx_init(struct pci_controller *board_hose) { + u16 reg16; + u32 dev; + volatile immap_t *immap = (immap_t *)CFG_CCSRBAR; volatile ccsr_pcix_t *pcix = &immap->im_pcix; + volatile ccsr_pcix_t *pcix2 = &immap->im_pcix2; + volatile ccsr_gur_t *gur = &immap->im_gur; + struct pci_controller * hose; - u16 reg16; + pci_hose = board_hose; + + hose = &pci_hose[0]; hose->first_busno = 0; hose->last_busno = 0xff; + pci_setup_indirect(hose, + (CFG_IMMR+0x8000), + (CFG_IMMR+0x8004)); + + /* + * Hose scan. + */ + dev = PCI_BDF(hose->first_busno, 0, 0); + pci_hose_read_config_word (hose, dev, PCI_COMMAND, ®16); + reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16); + + /* + * Clear non-reserved bits in status register. + */ + pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff); + + if (!(gur->pordevsr & PORDEVSR_PCI)) { + /* PCI-X init */ + reg16 = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ + | PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E; + pci_hose_write_config_word(hose, dev, PCIX_COMMAND, reg16); + } + + pcix->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff; + pcix->potear1 = 0x00000000; + pcix->powbar1 = (CFG_PCI1_MEM_PHYS >> 12) & 0x000fffff; + pcix->powbear1 = 0x00000000; + pcix->powar1 = (POWAR_EN | POWAR_MEM_READ | + POWAR_MEM_WRITE | POWAR_MEM_512M); + + pcix->potar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff; + pcix->potear2 = 0x00000000; + pcix->powbar2 = (CFG_PCI1_IO_PHYS >> 12) & 0x000fffff; + pcix->powbear2 = 0x00000000; + pcix->powar2 = (POWAR_EN | POWAR_IO_READ | + POWAR_IO_WRITE | POWAR_IO_1M); + + pcix->pitar1 = 0x00000000; + pcix->piwbar1 = 0x00000000; + pcix->piwar1 = (PIWAR_EN | PIWAR_PF | PIWAR_LOCAL | + PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP | PIWAR_MEM_2G); + + pcix->powar3 = 0; + pcix->powar4 = 0; + pcix->piwar2 = 0; + pcix->piwar3 = 0; + pci_set_region(hose->regions + 0, CFG_PCI1_MEM_BASE, CFG_PCI1_MEM_PHYS, @@ -57,42 +115,8 @@ pci_mpc85xx_init(struct pci_controller *hose) hose->region_count = 2; - pci_setup_indirect(hose, - (CFG_IMMR+0x8000), - (CFG_IMMR+0x8004)); - - pcix->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff; - pcix->potear1 = 0x00000000; - pcix->powbar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff; - pcix->powbear1 = 0x00000000; - pcix->powar1 = 0x8004401c; /* 512M MEM space */ - - pcix->potar2 = 0x00000000; - pcix->potear2 = 0x00000000; - pcix->powbar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff; - pcix->powbear2 = 0x00000000; - pcix->powar2 = 0x80088017; /* 16M IO space */ - - pcix->pitar1 = 0x00000000; - pcix->piwbar1 = 0x00000000; - pcix->piwar1 = 0xa0f5501e; /* Enable, Prefetch, Local Mem, - * Snoop R/W, 2G */ - - /* - * Hose scan. - */ pci_register_hose(hose); - pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16); - reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; - pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16); - - /* - * Clear non-reserved bits in status register. - */ - pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff); - pci_write_config_byte(PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80); - #if defined(CONFIG_MPC8555CDS) || defined(CONFIG_MPC8541CDS) /* * This is a SW workaround for an apparent HW problem @@ -117,6 +141,94 @@ pci_mpc85xx_init(struct pci_controller *hose) #endif hose->last_busno = pci_hose_scan(hose); + +#ifdef CONFIG_MPC85XX_PCI2 + hose = &pci_hose[1]; + + hose->first_busno = pci_hose[0].last_busno + 1; + hose->last_busno = 0xff; + + pci_setup_indirect(hose, + (CFG_IMMR+0x9000), + (CFG_IMMR+0x9004)); + + dev = PCI_BDF(hose->first_busno, 0, 0); + pci_hose_read_config_word (hose, dev, PCI_COMMAND, ®16); + reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16); + + /* + * Clear non-reserved bits in status register. + */ + pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff); + + pcix2->potar1 = (CFG_PCI2_MEM_BASE >> 12) & 0x000fffff; + pcix2->potear1 = 0x00000000; + pcix2->powbar1 = (CFG_PCI2_MEM_PHYS >> 12) & 0x000fffff; + pcix2->powbear1 = 0x00000000; + pcix2->powar1 = (POWAR_EN | POWAR_MEM_READ | + POWAR_MEM_WRITE | POWAR_MEM_512M); + + pcix2->potar2 = (CFG_PCI2_IO_BASE >> 12) & 0x000fffff; + pcix2->potear2 = 0x00000000; + pcix2->powbar2 = (CFG_PCI2_IO_PHYS >> 12) & 0x000fffff; + pcix2->powbear2 = 0x00000000; + pcix2->powar2 = (POWAR_EN | POWAR_IO_READ | + POWAR_IO_WRITE | POWAR_IO_1M); + + pcix2->pitar1 = 0x00000000; + pcix2->piwbar1 = 0x00000000; + pcix2->piwar1 = (PIWAR_EN | PIWAR_PF | PIWAR_LOCAL | + PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP | PIWAR_MEM_2G); + + pcix2->powar3 = 0; + pcix2->powar4 = 0; + pcix2->piwar2 = 0; + pcix2->piwar3 = 0; + + pci_set_region(hose->regions + 0, + CFG_PCI2_MEM_BASE, + CFG_PCI2_MEM_PHYS, + CFG_PCI2_MEM_SIZE, + PCI_REGION_MEM); + + pci_set_region(hose->regions + 1, + CFG_PCI2_IO_BASE, + CFG_PCI2_IO_PHYS, + CFG_PCI2_IO_SIZE, + PCI_REGION_IO); + + hose->region_count = 2; + + /* + * Hose scan. + */ + pci_register_hose(hose); + + hose->last_busno = pci_hose_scan(hose); +#endif } +#ifdef CONFIG_OF_FLAT_TREE +void +ft_pci_setup(void *blob, bd_t *bd) +{ + u32 *p; + int len; + + p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8000/bus-range", &len); + if (p != NULL) { + p[0] = pci_hose[0].first_busno; + p[1] = pci_hose[0].last_busno; + } + +#ifdef CONFIG_MPC85XX_PCI2 + p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@9000/bus-range", &len); + if (p != NULL) { + p[0] = pci_hose[1].first_busno; + p[1] = pci_hose[1].last_busno; + } +#endif +} +#endif /* CONFIG_OF_FLAT_TREE */ #endif /* CONFIG_PCI */ diff --git a/include/asm-ppc/immap_85xx.h b/include/asm-ppc/immap_85xx.h index 2f10e9591..7a4345a74 100644 --- a/include/asm-ppc/immap_85xx.h +++ b/include/asm-ppc/immap_85xx.h @@ -246,7 +246,6 @@ typedef struct ccsr_lbc { /* * PCI Registers(0x8000-0x9000) - * Omitting Reserved(0x9000-0x2_0000) */ typedef struct ccsr_pcix { uint cfg_addr; /* 0x8000 - PCIX Configuration Address Register */ @@ -309,9 +308,27 @@ typedef struct ccsr_pcix { uint peextaddrcr; /* 0x8e14 - PCIX Error Extended Address Capture Register */ uint pedlcr; /* 0x8e18 - PCIX Error Data Low Capture Register */ uint pedhcr; /* 0x8e1c - PCIX Error Error Data High Capture Register */ - char res11[94688]; + uint gas_timr; /* 0x8e20 - PCIX Gasket Timer Register */ + char res11[476]; } ccsr_pcix_t; +#define PCIX_COMMAND 0x62 +#define POWAR_EN 0x80000000 +#define POWAR_IO_READ 0x00080000 +#define POWAR_MEM_READ 0x00040000 +#define POWAR_IO_WRITE 0x00008000 +#define POWAR_MEM_WRITE 0x00004000 +#define POWAR_MEM_512M 0x0000001c +#define POWAR_IO_1M 0x00000013 + +#define PIWAR_EN 0x80000000 +#define PIWAR_PF 0x20000000 +#define PIWAR_LOCAL 0x00f00000 +#define PIWAR_READ_SNOOP 0x00050000 +#define PIWAR_WRITE_SNOOP 0x00005000 +#define PIWAR_MEM_2G 0x0000001e + + /* * L2 Cache Registers(0x2_0000-0x2_1000) */ @@ -1572,6 +1589,8 @@ typedef struct ccsr_gur { char res15[61651]; } ccsr_gur_t; +#define PORDEVSR_PCI (0x00800000) /* PCI Mode */ + typedef struct immap { ccsr_local_ecm_t im_local_ecm; ccsr_ddr_t im_ddr; @@ -1579,6 +1598,8 @@ typedef struct immap { ccsr_duart_t im_duart; ccsr_lbc_t im_lbc; ccsr_pcix_t im_pcix; + ccsr_pcix_t im_pcix2; + char reserved[90112]; ccsr_l2cache_t im_l2cache; ccsr_dma_t im_dma; ccsr_tsec_t im_tsec1; From c88f9fe66b64247e5b6a38410ba315ca25596d16 Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:45:41 -0500 Subject: [PATCH 08/11] * Fixed PCI memory definitions Patch by Andy Fleming 17-Mar-2006 Signed-off-by: Andy Fleming --- board/mpc8540ads/mpc8540ads.c | 21 ++++----------------- include/configs/MPC8540ADS.h | 9 +++++---- 2 files changed, 9 insertions(+), 21 deletions(-) diff --git a/board/mpc8540ads/mpc8540ads.c b/board/mpc8540ads/mpc8540ads.c index 855888d27..fbcb39729 100644 --- a/board/mpc8540ads/mpc8540ads.c +++ b/board/mpc8540ads/mpc8540ads.c @@ -317,24 +317,8 @@ long int fixed_sdram (void) * Initialize PCI Devices, report devices found. */ -#ifndef CONFIG_PCI_PNP -static struct pci_config_table pci_mpc85xxads_config_table[] = { - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - PCI_IDSEL_NUMBER, PCI_ANY_ID, - pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, - PCI_ENET0_MEMADDR, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER - } }, - { } -}; -#endif - -static struct pci_controller hose = { -#ifndef CONFIG_PCI_PNP - config_table: pci_mpc85xxads_config_table, -#endif -}; +static struct pci_controller hose; #endif /* CONFIG_PCI */ @@ -357,6 +341,9 @@ ft_board_setup(void *blob, bd_t *bd) u32 *p; int len; +#ifdef CONFIG_PCI + ft_pci_setup(blob, bd); +#endif ft_cpu_setup(blob, bd); p = ft_get_prop(blob, "/memory/reg", &len); diff --git a/include/configs/MPC8540ADS.h b/include/configs/MPC8540ADS.h index d31a18b79..81ee945d4 100644 --- a/include/configs/MPC8540ADS.h +++ b/include/configs/MPC8540ADS.h @@ -71,7 +71,7 @@ */ #ifndef CONFIG_SYS_CLK_FREQ -#define CONFIG_SYS_CLK_FREQ 33000000 +#define CONFIG_SYS_CLK_FREQ 66000000 #endif @@ -327,9 +327,10 @@ #define CFG_PCI1_MEM_BASE 0x80000000 #define CFG_PCI1_MEM_PHYS CFG_PCI1_MEM_BASE #define CFG_PCI1_MEM_SIZE 0x20000000 /* 512M */ -#define CFG_PCI1_IO_BASE 0xe2000000 -#define CFG_PCI1_IO_PHYS CFG_PCI1_IO_BASE -#define CFG_PCI1_IO_SIZE 0x1000000 /* 16M */ + +#define CFG_PCI1_IO_BASE 0x0 +#define CFG_PCI1_IO_PHYS 0xe2000000 +#define CFG_PCI1_IO_SIZE 0x100000 /* 1M */ #if defined(CONFIG_PCI) From bf1dfffd8c26f8ecdd630a0ae4c834e751e4e452 Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:46:13 -0500 Subject: [PATCH 09/11] * Added VIA configuration table * Added support for PCI2 on CDS Patch by Andy Fleming 17-Mar-2006 Signed-off-by: Andy Fleming --- board/cds/common/ft_board.c | 3 + board/cds/common/via.c | 99 +++++++++++++++++++++++++++++++ board/cds/common/via.h | 18 ++++++ board/cds/mpc8541cds/Makefile | 3 +- board/cds/mpc8541cds/init.S | 12 ++-- board/cds/mpc8541cds/mpc8541cds.c | 32 +++++----- board/cds/mpc8548cds/Makefile | 3 +- board/cds/mpc8548cds/init.S | 12 ++-- board/cds/mpc8548cds/mpc8548cds.c | 32 +++++----- board/cds/mpc8555cds/Makefile | 3 +- board/cds/mpc8555cds/init.S | 12 ++-- board/cds/mpc8555cds/mpc8555cds.c | 39 ++++++------ include/configs/MPC8541CDS.h | 21 +++---- include/configs/MPC8548CDS.h | 23 +++---- include/configs/MPC8555CDS.h | 23 +++---- 15 files changed, 223 insertions(+), 112 deletions(-) create mode 100644 board/cds/common/via.c create mode 100644 board/cds/common/via.h diff --git a/board/cds/common/ft_board.c b/board/cds/common/ft_board.c index 73eca5e69..77d1d851d 100644 --- a/board/cds/common/ft_board.c +++ b/board/cds/common/ft_board.c @@ -35,6 +35,9 @@ ft_board_setup(void *blob, bd_t *bd) u32 *p; int len; +#ifdef CONFIG_PCI + ft_pci_setup(blob, bd); +#endif ft_cpu_setup(blob, bd); p = ft_get_prop(blob, "/memory/reg", &len); diff --git a/board/cds/common/via.c b/board/cds/common/via.c new file mode 100644 index 000000000..68c8d212f --- /dev/null +++ b/board/cds/common/via.c @@ -0,0 +1,99 @@ +/* + * Copyright 2006 Freescale Semiconductor. + * + * 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 + +/* Config the VIA chip */ +void mpc85xx_config_via(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) +{ + pci_dev_t bridge; + + /* Enable USB and IDE functions */ + pci_hose_write_config_byte(hose, dev, 0x48, 0x08); + + pciauto_config_device(hose, dev); + + /* + * Force the backplane P2P bridge to have a window + * open from 0x00000000-0x00001fff in PCI I/O space. + * This allows legacy I/O (i8259, etc) on the VIA + * southbridge to be accessed. + */ + bridge = PCI_BDF(0,17,0); + pci_hose_write_config_byte(hose, bridge, PCI_IO_BASE, 0); + pci_hose_write_config_word(hose, bridge, PCI_IO_BASE_UPPER16, 0); + pci_hose_write_config_byte(hose, bridge, PCI_IO_LIMIT, 0x10); + pci_hose_write_config_word(hose, bridge, PCI_IO_LIMIT_UPPER16, 0); +} + +/* Function 1, IDE */ +void mpc85xx_config_via_usbide(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) +{ + pciauto_config_device(hose, dev); + /* + * Since the P2P window was forced to cover the fixed + * legacy I/O addresses, it is necessary to manually + * place the base addresses for the IDE and USB functions + * within this window. + */ + pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, 0x1ff8); + pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_1, 0x1ff4); + pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_2, 0x1fe8); + pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_3, 0x1fe4); + pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_4, 0x1fd0); +} + +/* Function 2, USB ports 0-1 */ +void mpc85xx_config_via_usb(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) +{ + pciauto_config_device(hose, dev); + + pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_4, 0x1fa0); +} + +/* Function 3, USB ports 2-3 */ +void mpc85xx_config_via_usb2(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) +{ + pciauto_config_device(hose, dev); + + pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_4, 0x1f80); +} + +/* Function 5, Power Management */ +void mpc85xx_config_via_power(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) +{ + pciauto_config_device(hose, dev); + + pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, 0x1e00); + pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_1, 0x1dfc); + pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_2, 0x1df8); +} + +/* Function 6, AC97 Interface */ +void mpc85xx_config_via_ac97(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) +{ + pciauto_config_device(hose, dev); + + pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, 0x1c00); +} + diff --git a/board/cds/common/via.h b/board/cds/common/via.h new file mode 100644 index 000000000..77cfacc52 --- /dev/null +++ b/board/cds/common/via.h @@ -0,0 +1,18 @@ +#ifndef _MPC85xx_VIA_H +void mpc85xx_config_via(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab); + +/* Function 1, IDE */ +void mpc85xx_config_via_usbide(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab); + +/* Function 2, USB ports 0-1 */ +void mpc85xx_config_via_usb(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab); + +/* Function 3, USB ports 2-3 */ +void mpc85xx_config_via_usb2(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab); + +/* Function 5, Power Management */ +void mpc85xx_config_via_power(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab); + +/* Function 6, AC97 Interface */ +void mpc85xx_config_via_ac97(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab); +#endif /* _MPC85xx_VIA_H */ diff --git a/board/cds/mpc8541cds/Makefile b/board/cds/mpc8541cds/Makefile index aea61360a..d202281d4 100644 --- a/board/cds/mpc8541cds/Makefile +++ b/board/cds/mpc8541cds/Makefile @@ -29,7 +29,8 @@ LIB = lib$(BOARD).a OBJS := $(BOARD).o \ ../common/cadmus.o \ ../common/eeprom.o \ - ../common/ft_board.o + ../common/ft_board.o \ + ../common/via.o SOBJS := init.o diff --git a/board/cds/mpc8541cds/init.S b/board/cds/mpc8541cds/init.S index 53dcd0d76..978bda5e4 100644 --- a/board/cds/mpc8541cds/init.S +++ b/board/cds/mpc8541cds/init.S @@ -210,8 +210,8 @@ tlb1_entry: * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M * 0xa000_0000 0xbfff_ffff PCI2 MEM 512M * 0xe000_0000 0xe000_ffff CCSR 1M - * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M - * 0xe300_0000 0xe3ff_ffff PCI2 IO 16M + * 0xe200_0000 0xe20f_ffff PCI1 IO 1M + * 0xe210_0000 0xe21f_ffff PCI2 IO 1M * 0xf000_0000 0xf7ff_ffff SDRAM 128M * 0xf800_0000 0xf80f_ffff NVRAM/CADMUS (*) 1M * 0xff00_0000 0xff7f_ffff FLASH (2nd bank) 8M @@ -234,11 +234,11 @@ tlb1_entry: #define LAWBAR2 ((CFG_PCI2_MEM_BASE>>12) & 0xfffff) #define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M)) -#define LAWBAR3 ((CFG_PCI1_IO_BASE>>12) & 0xfffff) -#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_16M)) +#define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff) +#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_1M)) -#define LAWBAR4 ((CFG_PCI2_IO_BASE>>12) & 0xfffff) -#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_16M)) +#define LAWBAR4 ((CFG_PCI2_IO_PHYS>>12) & 0xfffff) +#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_1M)) /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */ #define LAWBAR5 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff) diff --git a/board/cds/mpc8541cds/mpc8541cds.c b/board/cds/mpc8541cds/mpc8541cds.c index 6b8aa68f5..c2b3009fd 100644 --- a/board/cds/mpc8541cds/mpc8541cds.c +++ b/board/cds/mpc8541cds/mpc8541cds.c @@ -31,6 +31,7 @@ #include "../common/cadmus.h" #include "../common/eeprom.h" +#include "../common/via.h" #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) extern void ddr_enable_ecc(unsigned int dram_size); @@ -468,26 +469,25 @@ testdram(void) #endif #if defined(CONFIG_PCI) - -/* - * Initialize PCI Devices, report devices found. +/* For some reason the Tundra PCI bridge shows up on itself as a + * different device. Work around that by refusing to configure it. */ +void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { } -#ifndef CONFIG_PCI_PNP static struct pci_config_table pci_mpc85xxcds_config_table[] = { - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - PCI_IDSEL_NUMBER, PCI_ANY_ID, - pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, - PCI_ENET0_MEMADDR, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER - } }, - { } + {0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}}, + {0x1106, 0x0686, PCI_ANY_ID, 1, 2, 0, mpc85xx_config_via, {0,0,0}}, + {0x1106, 0x0571, PCI_ANY_ID, 1, 2, 1, mpc85xx_config_via_usbide, {0,0,0}}, + {0x1105, 0x3038, PCI_ANY_ID, 1, 2, 2, mpc85xx_config_via_usb, {0,0,0}}, + {0x1106, 0x3038, PCI_ANY_ID, 1, 2, 3, mpc85xx_config_via_usb2, {0,0,0}}, + {0x1106, 0x3058, PCI_ANY_ID, 1, 2, 5, mpc85xx_config_via_power, {0,0,0}}, + {0x1106, 0x3068, PCI_ANY_ID, 1, 2, 6, mpc85xx_config_via_ac97, {0,0,0}} }; -#endif -static struct pci_controller hose = { -#ifndef CONFIG_PCI_PNP - config_table: pci_mpc85xxcds_config_table, +static struct pci_controller hose[] = { + { config_table: pci_mpc85xxcds_config_table,}, +#ifdef CONFIG_MPC85XX_PCI2 + {}, #endif }; @@ -497,7 +497,7 @@ void pci_init_board(void) { #ifdef CONFIG_PCI - extern void pci_mpc85xx_init(struct pci_controller *hose); + extern void pci_mpc85xx_init(struct pci_controller **hose); pci_mpc85xx_init(&hose); #endif diff --git a/board/cds/mpc8548cds/Makefile b/board/cds/mpc8548cds/Makefile index aea61360a..d202281d4 100644 --- a/board/cds/mpc8548cds/Makefile +++ b/board/cds/mpc8548cds/Makefile @@ -29,7 +29,8 @@ LIB = lib$(BOARD).a OBJS := $(BOARD).o \ ../common/cadmus.o \ ../common/eeprom.o \ - ../common/ft_board.o + ../common/ft_board.o \ + ../common/via.o SOBJS := init.o diff --git a/board/cds/mpc8548cds/init.S b/board/cds/mpc8548cds/init.S index 53dcd0d76..978bda5e4 100644 --- a/board/cds/mpc8548cds/init.S +++ b/board/cds/mpc8548cds/init.S @@ -210,8 +210,8 @@ tlb1_entry: * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M * 0xa000_0000 0xbfff_ffff PCI2 MEM 512M * 0xe000_0000 0xe000_ffff CCSR 1M - * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M - * 0xe300_0000 0xe3ff_ffff PCI2 IO 16M + * 0xe200_0000 0xe20f_ffff PCI1 IO 1M + * 0xe210_0000 0xe21f_ffff PCI2 IO 1M * 0xf000_0000 0xf7ff_ffff SDRAM 128M * 0xf800_0000 0xf80f_ffff NVRAM/CADMUS (*) 1M * 0xff00_0000 0xff7f_ffff FLASH (2nd bank) 8M @@ -234,11 +234,11 @@ tlb1_entry: #define LAWBAR2 ((CFG_PCI2_MEM_BASE>>12) & 0xfffff) #define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M)) -#define LAWBAR3 ((CFG_PCI1_IO_BASE>>12) & 0xfffff) -#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_16M)) +#define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff) +#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_1M)) -#define LAWBAR4 ((CFG_PCI2_IO_BASE>>12) & 0xfffff) -#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_16M)) +#define LAWBAR4 ((CFG_PCI2_IO_PHYS>>12) & 0xfffff) +#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_1M)) /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */ #define LAWBAR5 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff) diff --git a/board/cds/mpc8548cds/mpc8548cds.c b/board/cds/mpc8548cds/mpc8548cds.c index 5bc08900a..6eedb4a20 100644 --- a/board/cds/mpc8548cds/mpc8548cds.c +++ b/board/cds/mpc8548cds/mpc8548cds.c @@ -30,6 +30,7 @@ #include "../common/cadmus.h" #include "../common/eeprom.h" +#include "../common/via.h" #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) extern void ddr_enable_ecc(unsigned int dram_size); @@ -293,26 +294,25 @@ testdram(void) #endif #if defined(CONFIG_PCI) - -/* - * Initialize PCI Devices, report devices found. +/* For some reason the Tundra PCI bridge shows up on itself as a + * different device. Work around that by refusing to configure it. */ +void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { } -#ifndef CONFIG_PCI_PNP static struct pci_config_table pci_mpc85xxcds_config_table[] = { - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - PCI_IDSEL_NUMBER, PCI_ANY_ID, - pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, - PCI_ENET0_MEMADDR, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER - } }, - { } + {0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}}, + {0x1106, 0x0686, PCI_ANY_ID, 1, 2, 0, mpc85xx_config_via, {0,0,0}}, + {0x1106, 0x0571, PCI_ANY_ID, 1, 2, 1, mpc85xx_config_via_usbide, {0,0,0}}, + {0x1105, 0x3038, PCI_ANY_ID, 1, 2, 2, mpc85xx_config_via_usb, {0,0,0}}, + {0x1106, 0x3038, PCI_ANY_ID, 1, 2, 3, mpc85xx_config_via_usb2, {0,0,0}}, + {0x1106, 0x3058, PCI_ANY_ID, 1, 2, 5, mpc85xx_config_via_power, {0,0,0}}, + {0x1106, 0x3068, PCI_ANY_ID, 1, 2, 6, mpc85xx_config_via_ac97, {0,0,0}} }; -#endif -static struct pci_controller hose = { -#ifndef CONFIG_PCI_PNP - config_table: pci_mpc85xxcds_config_table, +static struct pci_controller hose[] = { + { config_table: pci_mpc85xxcds_config_table,}, +#ifdef CONFIG_MPC85XX_PCI2 + {}, #endif }; @@ -322,7 +322,7 @@ void pci_init_board(void) { #ifdef CONFIG_PCI - extern void pci_mpc85xx_init(struct pci_controller *hose); + extern void pci_mpc85xx_init(struct pci_controller **hose); pci_mpc85xx_init(&hose); #endif diff --git a/board/cds/mpc8555cds/Makefile b/board/cds/mpc8555cds/Makefile index aea61360a..d202281d4 100644 --- a/board/cds/mpc8555cds/Makefile +++ b/board/cds/mpc8555cds/Makefile @@ -29,7 +29,8 @@ LIB = lib$(BOARD).a OBJS := $(BOARD).o \ ../common/cadmus.o \ ../common/eeprom.o \ - ../common/ft_board.o + ../common/ft_board.o \ + ../common/via.o SOBJS := init.o diff --git a/board/cds/mpc8555cds/init.S b/board/cds/mpc8555cds/init.S index 53dcd0d76..978bda5e4 100644 --- a/board/cds/mpc8555cds/init.S +++ b/board/cds/mpc8555cds/init.S @@ -210,8 +210,8 @@ tlb1_entry: * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M * 0xa000_0000 0xbfff_ffff PCI2 MEM 512M * 0xe000_0000 0xe000_ffff CCSR 1M - * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M - * 0xe300_0000 0xe3ff_ffff PCI2 IO 16M + * 0xe200_0000 0xe20f_ffff PCI1 IO 1M + * 0xe210_0000 0xe21f_ffff PCI2 IO 1M * 0xf000_0000 0xf7ff_ffff SDRAM 128M * 0xf800_0000 0xf80f_ffff NVRAM/CADMUS (*) 1M * 0xff00_0000 0xff7f_ffff FLASH (2nd bank) 8M @@ -234,11 +234,11 @@ tlb1_entry: #define LAWBAR2 ((CFG_PCI2_MEM_BASE>>12) & 0xfffff) #define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M)) -#define LAWBAR3 ((CFG_PCI1_IO_BASE>>12) & 0xfffff) -#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_16M)) +#define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff) +#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_1M)) -#define LAWBAR4 ((CFG_PCI2_IO_BASE>>12) & 0xfffff) -#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_16M)) +#define LAWBAR4 ((CFG_PCI2_IO_PHYS>>12) & 0xfffff) +#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_1M)) /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */ #define LAWBAR5 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff) diff --git a/board/cds/mpc8555cds/mpc8555cds.c b/board/cds/mpc8555cds/mpc8555cds.c index 18adf5b9e..e15bf8f2c 100644 --- a/board/cds/mpc8555cds/mpc8555cds.c +++ b/board/cds/mpc8555cds/mpc8555cds.c @@ -29,6 +29,7 @@ #include "../common/cadmus.h" #include "../common/eeprom.h" +#include "../common/via.h" #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) extern void ddr_enable_ecc(unsigned int dram_size); @@ -464,38 +465,40 @@ testdram(void) } #endif -#if defined(CONFIG_PCI) - -/* - * Initialize PCI Devices, report devices found. +#ifdef CONFIG_PCI +/* For some reason the Tundra PCI bridge shows up on itself as a + * different device. Work around that by refusing to configure it */ +void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { } -#ifndef CONFIG_PCI_PNP static struct pci_config_table pci_mpc85xxcds_config_table[] = { - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - PCI_IDSEL_NUMBER, PCI_ANY_ID, - pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, - PCI_ENET0_MEMADDR, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER - } }, - { } + {0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}}, + {0x1106, 0x0686, PCI_ANY_ID, 1, 2, 0, mpc85xx_config_via, {0,0,0}}, + {0x1106, 0x0571, PCI_ANY_ID, 1, 2, 1, mpc85xx_config_via_usbide, {0,0,0}}, + {0x1105, 0x3038, PCI_ANY_ID, 1, 2, 2, mpc85xx_config_via_usb, {0,0,0}}, + {0x1106, 0x3038, PCI_ANY_ID, 1, 2, 3, mpc85xx_config_via_usb2, {0,0,0}}, + {0x1106, 0x3058, PCI_ANY_ID, 1, 2, 5, mpc85xx_config_via_power, {0,0,0}}, + {0x1106, 0x3068, PCI_ANY_ID, 1, 2, 6, mpc85xx_config_via_ac97, {0,0,0}} }; -#endif -static struct pci_controller hose = { -#ifndef CONFIG_PCI_PNP + +static struct pci_controller hose[] = { + { config_table: pci_mpc85xxcds_config_table, + }, +#ifdef CONFIG_MPC85XX_PCI2 + { } #endif }; -#endif /* CONFIG_PCI */ +#endif void pci_init_board(void) { #ifdef CONFIG_PCI - extern void pci_mpc85xx_init(struct pci_controller *hose); + extern void pci_mpc85xx_init(struct pci_controller **hose); - pci_mpc85xx_init(&hose); + pci_mpc85xx_init(*pci_hose); #endif } diff --git a/include/configs/MPC8541CDS.h b/include/configs/MPC8541CDS.h index 86bcfe324..f73caf031 100644 --- a/include/configs/MPC8541CDS.h +++ b/include/configs/MPC8541CDS.h @@ -318,7 +318,7 @@ extern unsigned long get_clock_freq(void); #define OF_CPU "PowerPC,8541@0" #define OF_SOC "soc8541@e0000000" #define OF_TBCLK (bd->bi_busfreq / 8) -#define OF_STDOUT_PATH "/soc8541@e0000000/serial@4500" +#define OF_STDOUT_PATH "/soc8541@e0000000/serial@4600" /* I2C */ #define CONFIG_HARD_I2C /* I2C with hardware support */ @@ -335,32 +335,27 @@ extern unsigned long get_clock_freq(void); #define CFG_PCI1_MEM_BASE 0x80000000 #define CFG_PCI1_MEM_PHYS CFG_PCI1_MEM_BASE #define CFG_PCI1_MEM_SIZE 0x20000000 /* 512M */ -#define CFG_PCI1_IO_BASE 0xe2000000 -#define CFG_PCI1_IO_PHYS CFG_PCI1_IO_BASE -#define CFG_PCI1_IO_SIZE 0x1000000 /* 16M */ +#define CFG_PCI1_IO_BASE 0x00000000 +#define CFG_PCI1_IO_PHYS 0xe2000000 +#define CFG_PCI1_IO_SIZE 0x100000 /* 1M */ #define CFG_PCI2_MEM_BASE 0xa0000000 #define CFG_PCI2_MEM_PHYS CFG_PCI2_MEM_BASE #define CFG_PCI2_MEM_SIZE 0x20000000 /* 512M */ -#define CFG_PCI2_IO_BASE 0xe3000000 -#define CFG_PCI2_IO_PHYS CFG_PCI2_IO_BASE -#define CFG_PCI2_IO_SIZE 0x1000000 /* 16M */ +#define CFG_PCI2_IO_BASE 0x00000000 +#define CFG_PCI2_IO_PHYS 0xe2100000 +#define CFG_PCI2_IO_SIZE 0x100000 /* 1M */ #if defined(CONFIG_PCI) +#define CONFIG_MPC85XX_PCI2 #define CONFIG_NET_MULTI #define CONFIG_PCI_PNP /* do pci plug-and-play */ #undef CONFIG_EEPRO100 #undef CONFIG_TULIP -#if !defined(CONFIG_PCI_PNP) - #define PCI_ENET0_IOADDR 0xe0000000 - #define PCI_ENET0_MEMADDR 0xe0000000 - #define PCI_IDSEL_NUMBER 0x0c /*slot0->3(IDSEL)=12->15*/ -#endif - #undef CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ #define CFG_PCI_SUBSYS_VENDORID 0x1057 /* Motorola */ diff --git a/include/configs/MPC8548CDS.h b/include/configs/MPC8548CDS.h index b1f8a192d..37b518cca 100644 --- a/include/configs/MPC8548CDS.h +++ b/include/configs/MPC8548CDS.h @@ -324,7 +324,7 @@ extern unsigned long get_clock_freq(void); #define OF_CPU "PowerPC,8548@0" #define OF_SOC "soc8548@e0000000" #define OF_TBCLK (bd->bi_busfreq / 8) -#define OF_STDOUT_PATH "/soc8548@e0000000/serial@4500" +#define OF_STDOUT_PATH "/soc8548@e0000000/serial@4600" /* I2C */ #define CONFIG_HARD_I2C /* I2C with hardware support */ @@ -341,32 +341,27 @@ extern unsigned long get_clock_freq(void); #define CFG_PCI1_MEM_BASE 0x80000000 #define CFG_PCI1_MEM_PHYS CFG_PCI1_MEM_BASE #define CFG_PCI1_MEM_SIZE 0x20000000 /* 512M */ -#define CFG_PCI1_IO_BASE 0xe2000000 -#define CFG_PCI1_IO_PHYS CFG_PCI1_IO_BASE -#define CFG_PCI1_IO_SIZE 0x1000000 /* 16M */ +#define CFG_PCI1_IO_BASE 0x00000000 +#define CFG_PCI1_IO_PHYS 0xe2000000 +#define CFG_PCI1_IO_SIZE 0x00100000 /* 1M */ #define CFG_PCI2_MEM_BASE 0xa0000000 #define CFG_PCI2_MEM_PHYS CFG_PCI2_MEM_BASE #define CFG_PCI2_MEM_SIZE 0x20000000 /* 512M */ -#define CFG_PCI2_IO_BASE 0xe3000000 -#define CFG_PCI2_IO_PHYS CFG_PCI2_IO_BASE -#define CFG_PCI2_IO_SIZE 0x1000000 /* 16M */ +#define CFG_PCI2_IO_BASE 0x00000000 +#define CFG_PCI2_IO_PHYS 0xe2100000 +#define CFG_PCI2_IO_SIZE 0x00100000 /* 1M */ #if defined(CONFIG_PCI) #define CONFIG_NET_MULTI #define CONFIG_PCI_PNP /* do pci plug-and-play */ +#define CONFIG_85XX_PCI2 #undef CONFIG_EEPRO100 #undef CONFIG_TULIP -#if !defined(CONFIG_PCI_PNP) - #define PCI_ENET0_IOADDR 0xe0000000 - #define PCI_ENET0_MEMADDR 0xe0000000 - #define PCI_IDSEL_NUMBER 0x0c /*slot0->3(IDSEL)=12->15*/ -#endif - #undef CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ #define CFG_PCI_SUBSYS_VENDORID 0x1057 /* Motorola */ @@ -386,7 +381,7 @@ extern unsigned long get_clock_freq(void); #define CONFIG_MPC85XX_TSEC2_NAME "eTSEC1" #define CONFIG_MPC85XX_TSEC3 1 #define CONFIG_MPC85XX_TSEC3_NAME "eTSEC2" -#define CONFIG_MPC85XX_TSEC4 1 +#undef CONFIG_MPC85XX_TSEC4 #define CONFIG_MPC85XX_TSEC4_NAME "eTSEC3" #undef CONFIG_MPC85XX_FEC diff --git a/include/configs/MPC8555CDS.h b/include/configs/MPC8555CDS.h index b725dac52..b94e38ae3 100644 --- a/include/configs/MPC8555CDS.h +++ b/include/configs/MPC8555CDS.h @@ -318,7 +318,7 @@ extern unsigned long get_clock_freq(void); #define OF_CPU "PowerPC,8555@0" #define OF_SOC "soc8555@e0000000" #define OF_TBCLK (bd->bi_busfreq / 8) -#define OF_STDOUT_PATH "/soc8555@e0000000/serial@4500" +#define OF_STDOUT_PATH "/soc8555@e0000000/serial@4600" /* I2C */ #define CONFIG_HARD_I2C /* I2C with hardware support */ @@ -335,33 +335,28 @@ extern unsigned long get_clock_freq(void); #define CFG_PCI1_MEM_BASE 0x80000000 #define CFG_PCI1_MEM_PHYS CFG_PCI1_MEM_BASE #define CFG_PCI1_MEM_SIZE 0x20000000 /* 512M */ -#define CFG_PCI1_IO_BASE 0xe2000000 -#define CFG_PCI1_IO_PHYS CFG_PCI1_IO_BASE -#define CFG_PCI1_IO_SIZE 0x1000000 /* 16M */ +#define CFG_PCI1_IO_BASE 0x00000000 +#define CFG_PCI1_IO_PHYS 0xe2000000 +#define CFG_PCI1_IO_SIZE 0x00100000 /* 1M */ #define CFG_PCI2_MEM_BASE 0xa0000000 #define CFG_PCI2_MEM_PHYS CFG_PCI2_MEM_BASE #define CFG_PCI2_MEM_SIZE 0x20000000 /* 512M */ -#define CFG_PCI2_IO_BASE 0xe3000000 -#define CFG_PCI2_IO_PHYS CFG_PCI2_IO_BASE -#define CFG_PCI2_IO_SIZE 0x1000000 /* 16M */ +#define CFG_PCI2_IO_BASE 0x00000000 +#define CFG_PCI2_IO_PHYS 0xe2100000 +#define CFG_PCI2_IO_SIZE 0x00100000 /* 1M */ #if defined(CONFIG_PCI) #define CONFIG_NET_MULTI #define CONFIG_PCI_PNP /* do pci plug-and-play */ +#define CONFIG_MPC85XX_PCI2 #undef CONFIG_EEPRO100 #undef CONFIG_TULIP -#if !defined(CONFIG_PCI_PNP) - #define PCI_ENET0_IOADDR 0xe0000000 - #define PCI_ENET0_MEMADDR 0xe0000000 - #define PCI_IDSEL_NUMBER 0x0c /*slot0->3(IDSEL)=12->15*/ -#endif - -#undef CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ +#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ #define CFG_PCI_SUBSYS_VENDORID 0x1057 /* Motorola */ #endif /* CONFIG_PCI */ From b6c5e1373b6ea0bb37a18e4aeecec00613d1cd39 Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:46:35 -0500 Subject: [PATCH 10/11] * Fixed a bug where 8555 PCI code used the old variable and function names Patch by Andy Fleming 17-Mar-2006 Signed-off-by: Andy Fleming --- board/cds/mpc8555cds/mpc8555cds.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/board/cds/mpc8555cds/mpc8555cds.c b/board/cds/mpc8555cds/mpc8555cds.c index e15bf8f2c..012181c31 100644 --- a/board/cds/mpc8555cds/mpc8555cds.c +++ b/board/cds/mpc8555cds/mpc8555cds.c @@ -497,8 +497,8 @@ void pci_init_board(void) { #ifdef CONFIG_PCI - extern void pci_mpc85xx_init(struct pci_controller **hose); + extern void pci_mpc85xx_init(struct pci_controller *hose); - pci_mpc85xx_init(*pci_hose); + pci_mpc85xx_init(hose); #endif } From 34c3c0e01dbf1f8cc2bd08de92f2b89ba84921eb Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:47:03 -0500 Subject: [PATCH 11/11] * Switched default PCI speed for 8540 ADS back to 33MHz * Added comments and a printf to warn that PCI-X won't work at 33MHz Patch by Andy Fleming 17-Mar-2006 Signed-off-by: Andy Fleming --- cpu/mpc85xx/pci.c | 3 +++ doc/README.mpc85xxads | 3 +++ include/configs/MPC8540ADS.h | 6 +++++- 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/cpu/mpc85xx/pci.c b/cpu/mpc85xx/pci.c index ca11bce22..cfb7dcdc8 100644 --- a/cpu/mpc85xx/pci.c +++ b/cpu/mpc85xx/pci.c @@ -72,6 +72,9 @@ pci_mpc85xx_init(struct pci_controller *board_hose) if (!(gur->pordevsr & PORDEVSR_PCI)) { /* PCI-X init */ + if (CONFIG_SYS_CLK_FREQ < 66000000) + printf("PCI-X will only work at 66 MHz\n"); + reg16 = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ | PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E; pci_hose_write_config_word(hose, dev, PCIX_COMMAND, reg16); diff --git a/doc/README.mpc85xxads b/doc/README.mpc85xxads index f0cf782a8..ae8202bdd 100644 --- a/doc/README.mpc85xxads +++ b/doc/README.mpc85xxads @@ -100,6 +100,9 @@ Updated 13-July-2004 Jon Loeliger SW7[1:4] = 0101 = 5 => 5 x 66 = 330 CCB Sysclk SW7[5:6] = 01 => 5:2 x 330 = 825 Core clock + In order to use PCI-X (only in the first PCI slot. The one with + the RIO connector), you need to set SW1[4] (config) to 1 (off). + Also, configure the board to run PCI at 66 MHz. 2. MEMORY MAP TO WORK WITH LINUX KERNEL diff --git a/include/configs/MPC8540ADS.h b/include/configs/MPC8540ADS.h index 81ee945d4..8e4d2c95a 100644 --- a/include/configs/MPC8540ADS.h +++ b/include/configs/MPC8540ADS.h @@ -68,10 +68,14 @@ * The board, however, can run at 66MHz. In any event, this value * must match the settings of some switches. Details can be found * in the README.mpc85xxads. + * + * XXX -- Can't we run at 66 MHz, anyway? PCI should drop to + * 33MHz to accommodate, based on a PCI pin. + * Note that PCI-X won't work at 33MHz. */ #ifndef CONFIG_SYS_CLK_FREQ -#define CONFIG_SYS_CLK_FREQ 66000000 +#define CONFIG_SYS_CLK_FREQ 33000000 #endif