From a3c2933e02503fe36ade2c1b65af46f2b7a168e7 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 24 Oct 2007 10:21:57 -0500 Subject: Removed some nonused fdt functions and moved fdt_find_and_setprop out of libfdt Removed: fdt_node_is_compatible fdt_find_node_by_type fdt_find_compatible_node To ease merge of newer libfdt as we aren't using them anywhere at this time. Also moved fdt_find_and_setprop out of libfdt into fdt_support.c for the same reason. Signed-off-by: Kumar Gala --- common/fdt_support.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'common/fdt_support.c') diff --git a/common/fdt_support.c b/common/fdt_support.c index 175d59eb994..6a5b27aec53 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -44,6 +44,32 @@ struct fdt_header *fdt; /********************************************************************/ +/** + * fdt_find_and_setprop: Find a node and set it's property + * + * @fdt: ptr to device tree + * @node: path of node + * @prop: property name + * @val: ptr to new value + * @len: length of new property value + * @create: flag to create the property if it doesn't exist + * + * Convenience function to directly set a property given the path to the node. + */ +int fdt_find_and_setprop(void *fdt, const char *node, const char *prop, + const void *val, int len, int create) +{ + int nodeoff = fdt_find_node_by_path(fdt, node); + + if (nodeoff < 0) + return nodeoff; + + if ((!create) && (fdt_get_property(fdt, nodeoff, prop, 0) == NULL)) + return 0; /* create flag not set; so exit quietly */ + + return fdt_setprop(fdt, nodeoff, prop, val, len); +} + int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force) { int nodeoffset; -- cgit v1.2.3 From e93becf80d732b64aef81b23e8b6ece02c40533d Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Sat, 3 Nov 2007 19:46:28 -0500 Subject: Move do_fixup* for libfdt into common code Moved the generic fixup handling code out of cpu/mpc5xxx and cpu/mpc8260 into common/fdt_support.c and renamed: do_fixup() -> do_fixup_by_path() do_fixup_u32() -> do_fixup_by_path_u32() Signed-off-by: Kumar Gala --- common/fdt_support.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'common/fdt_support.c') diff --git a/common/fdt_support.c b/common/fdt_support.c index 6a5b27aec53..5ed874d0dfd 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -374,4 +374,27 @@ int fdt_bd_t(void *fdt) } #endif /* ifdef CONFIG_OF_HAS_BD_T */ +void do_fixup_by_path(void *fdt, const char *path, const char *prop, + const void *val, int len, int create) +{ +#if defined(DEBUG) + int i; + debug("Updating property '%s/%s' = ", node, prop); + for (i = 0; i < len; i++) + debug(" %.2x", *(u8*)(val+i)); + debug("\n"); +#endif + int rc = fdt_find_and_setprop(fdt, path, prop, val, len, create); + if (rc) + printf("Unable to update property %s:%s, err=%s\n", + path, prop, fdt_strerror(rc)); +} + +void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop, + u32 val, int create) +{ + val = cpu_to_fdt32(val); + do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create); +} + #endif /* CONFIG_OF_LIBFDT */ -- cgit v1.2.3 From 8d04f02f6224e6983f4812ea4da704950ec8539c Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 24 Oct 2007 11:04:22 -0500 Subject: Update libfdt from device tree compiler (dtc) Update libfdt to commit 8eaf5e358366017aa2e846c5038d1aa19958314e from the device tree compiler (dtc) project. Signed-off-by: Kumar Gala --- common/fdt_support.c | 35 ++++++++++++----------------------- 1 file changed, 12 insertions(+), 23 deletions(-) (limited to 'common/fdt_support.c') diff --git a/common/fdt_support.c b/common/fdt_support.c index 5ed874d0dfd..d5743b445d1 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -59,7 +59,7 @@ struct fdt_header *fdt; int fdt_find_and_setprop(void *fdt, const char *node, const char *prop, const void *val, int len, int create) { - int nodeoff = fdt_find_node_by_path(fdt, node); + int nodeoff = fdt_path_offset(fdt, node); if (nodeoff < 0) return nodeoff; @@ -84,34 +84,23 @@ int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force) } if (initrd_start && initrd_end) { - struct fdt_reserve_entry re; - int used; - int total; + uint64_t addr, size; + int total = fdt_num_mem_rsv(fdt); int j; - err = fdt_num_reservemap(fdt, &used, &total); - if (err < 0) { - printf("fdt_chosen: %s\n", fdt_strerror(err)); - return err; - } - if (used >= total) { - printf("WARNING: " - "no room in the reserved map (%d of %d)\n", - used, total); - return -1; - } /* * Look for an existing entry and update it. If we don't find * the entry, we will j be the next available slot. */ - for (j = 0; j < used; j++) { - err = fdt_get_reservemap(fdt, j, &re); - if (re.address == initrd_start) { + for (j = 0; j < total; j++) { + err = fdt_get_mem_rsv(fdt, j, &addr, &size); + if (addr == initrd_start) { + fdt_del_mem_rsv(fdt, j); break; } } - err = fdt_replace_reservemap_entry(fdt, j, - initrd_start, initrd_end - initrd_start + 1); + + err = fdt_add_mem_rsv(fdt, initrd_start, initrd_end - initrd_start + 1); if (err < 0) { printf("fdt_chosen: %s\n", fdt_strerror(err)); return err; @@ -121,7 +110,7 @@ int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force) /* * Find the "chosen" node. */ - nodeoffset = fdt_find_node_by_path (fdt, "/chosen"); + nodeoffset = fdt_path_offset (fdt, "/chosen"); /* * If we have a "chosen" node already the "force the writing" @@ -208,7 +197,7 @@ int fdt_env(void *fdt) * See if we already have a "u-boot-env" node, delete it if so. * Then create a new empty node. */ - nodeoffset = fdt_find_node_by_path (fdt, "/u-boot-env"); + nodeoffset = fdt_path_offset (fdt, "/u-boot-env"); if (nodeoffset >= 0) { err = fdt_del_node(fdt, nodeoffset); if (err < 0) { @@ -330,7 +319,7 @@ int fdt_bd_t(void *fdt) * See if we already have a "bd_t" node, delete it if so. * Then create a new empty node. */ - nodeoffset = fdt_find_node_by_path (fdt, "/bd_t"); + nodeoffset = fdt_path_offset (fdt, "/bd_t"); if (nodeoffset >= 0) { err = fdt_del_node(fdt, nodeoffset); if (err < 0) { -- cgit v1.2.3 From ab544633abdd14f4dd5d92e500b73eb59ef57e67 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 21 Nov 2007 11:11:03 -0600 Subject: Add fdt_fixup_ethernet helper to set mac addresses Added a fixup helper that uses aliases to set mac addresses in the device tree based on the bd_t Signed-off-by: Kumar Gala --- common/fdt_support.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) (limited to 'common/fdt_support.c') diff --git a/common/fdt_support.c b/common/fdt_support.c index d5743b445d1..e848386fbef 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -386,4 +386,50 @@ void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop, do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create); } +void fdt_fixup_ethernet(void *fdt, bd_t *bd) +{ + int node; + const char *path; + + node = fdt_path_offset(fdt, "/aliases"); + if (node >= 0) { +#if defined(CONFIG_HAS_ETH0) + path = fdt_getprop(fdt, node, "ethernet0", NULL); + if (path) { + do_fixup_by_path(fdt, path, "mac-address", + bd->bi_enetaddr, 6, 0); + do_fixup_by_path(fdt, path, "local-mac-address", + bd->bi_enetaddr, 6, 1); + } +#endif +#if defined(CONFIG_HAS_ETH1) + path = fdt_getprop(fdt, node, "ethernet1", NULL); + if (path) { + do_fixup_by_path(fdt, path, "mac-address", + bd->bi_enet1addr, 6, 0); + do_fixup_by_path(fdt, path, "local-mac-address", + bd->bi_enet1addr, 6, 1); + } +#endif +#if defined(CONFIG_HAS_ETH2) + path = fdt_getprop(fdt, node, "ethernet2", NULL); + if (path) { + do_fixup_by_path(fdt, path, "mac-address", + bd->bi_enet2addr, 6, 0); + do_fixup_by_path(fdt, path, "local-mac-address", + bd->bi_enet2addr, 6, 1); + } +#endif +#if defined(CONFIG_HAS_ETH3) + path = fdt_getprop(fdt, node, "ethernet3", NULL); + if (path) { + do_fixup_by_path(fdt, path, "mac-address", + bd->bi_enet3addr, 6, 0); + do_fixup_by_path(fdt, path, "local-mac-address", + bd->bi_enet3addr, 6, 1); + } +#endif + } +} + #endif /* CONFIG_OF_LIBFDT */ -- cgit v1.2.3 From 9eb77cea1fa12d5969eb26a1d1d81da381bd6b1c Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 21 Nov 2007 13:30:15 -0600 Subject: Add additional fdt fixup helper functions Added the following fdt fixup helpers: * do_fixup_by_prop{_u32} - Find matching nodes by property name/value * do_fixup_by_compat{_u32} - Find matching nodes by compat The _u32 variants work the same only the property they are setting is know to be a 32-bit integer instead of a byte buffer. Signed-off-by: Kumar Gala --- common/fdt_support.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) (limited to 'common/fdt_support.c') diff --git a/common/fdt_support.c b/common/fdt_support.c index e848386fbef..c67bb3d390f 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -386,6 +386,61 @@ void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop, do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create); } +void do_fixup_by_prop(void *fdt, + const char *pname, const void *pval, int plen, + const char *prop, const void *val, int len, + int create) +{ + int off; +#if defined(DEBUG) + int i; + debug("Updating property '%s/%s' = ", node, prop); + for (i = 0; i < len; i++) + debug(" %.2x", *(u8*)(val+i)); + debug("\n"); +#endif + off = fdt_node_offset_by_prop_value(fdt, -1, pname, pval, plen); + while (off != -FDT_ERR_NOTFOUND) { + if (create || (fdt_get_property(fdt, off, prop, 0) != NULL)) + fdt_setprop(fdt, off, prop, val, len); + off = fdt_node_offset_by_prop_value(fdt, off, pname, pval, plen); + } +} + +void do_fixup_by_prop_u32(void *fdt, + const char *pname, const void *pval, int plen, + const char *prop, u32 val, int create) +{ + val = cpu_to_fdt32(val); + do_fixup_by_prop(fdt, pname, pval, plen, prop, &val, 4, create); +} + +void do_fixup_by_compat(void *fdt, const char *compat, + const char *prop, const void *val, int len, int create) +{ + int off = -1; +#if defined(DEBUG) + int i; + debug("Updating property '%s/%s' = ", node, prop); + for (i = 0; i < len; i++) + debug(" %.2x", *(u8*)(val+i)); + debug("\n"); +#endif + off = fdt_node_offset_by_compatible(fdt, -1, compat); + while (off != -FDT_ERR_NOTFOUND) { + if (create || (fdt_get_property(fdt, off, prop, 0) != NULL)) + fdt_setprop(fdt, off, prop, val, len); + off = fdt_node_offset_by_compatible(fdt, off, compat); + } +} + +void do_fixup_by_compat_u32(void *fdt, const char *compat, + const char *prop, u32 val, int create) +{ + val = cpu_to_fdt32(val); + do_fixup_by_compat(fdt, compat, prop, &val, 4, create); +} + void fdt_fixup_ethernet(void *fdt, bd_t *bd) { int node; -- cgit v1.2.3 From 9c9109e7fcf7ac2ca19c95b8ac54b8d1c773b157 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Mon, 26 Nov 2007 11:19:12 -0600 Subject: Conditionally compile fdt_support.c Modify common/Makefile to conditionally compile fdt_support.c based on CONFIG_OF_LIBFDT. Signed-off-by: Kumar Gala --- common/fdt_support.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'common/fdt_support.c') diff --git a/common/fdt_support.c b/common/fdt_support.c index c67bb3d390f..69f4dd552a8 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -24,9 +24,6 @@ #include #include #include - -#ifdef CONFIG_OF_LIBFDT - #include #include #include @@ -486,5 +483,3 @@ void fdt_fixup_ethernet(void *fdt, bd_t *bd) #endif } } - -#endif /* CONFIG_OF_LIBFDT */ -- cgit v1.2.3 From 3c9272813fad84c691d0e4989bb18a3ffebdebfc Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Mon, 26 Nov 2007 14:57:45 -0600 Subject: Add common memory fixup function Add the function fdt_fixup_memory() to fixup the /memory node of the fdt Signed-off-by: Kumar Gala --- common/fdt_support.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) (limited to 'common/fdt_support.c') diff --git a/common/fdt_support.c b/common/fdt_support.c index 69f4dd552a8..808ec7069a6 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -438,6 +438,84 @@ void do_fixup_by_compat_u32(void *fdt, const char *compat, do_fixup_by_compat(fdt, compat, prop, &val, 4, create); } +int fdt_fixup_memory(void *blob, u64 start, u64 size) +{ + int err, nodeoffset, len = 0; + u8 tmp[16]; + const u32 *addrcell, *sizecell; + + err = fdt_check_header(blob); + if (err < 0) { + printf("%s: %s\n", __FUNCTION__, fdt_strerror(err)); + return err; + } + + /* update, or add and update /memory node */ + nodeoffset = fdt_path_offset(blob, "/memory"); + if (nodeoffset < 0) { + nodeoffset = fdt_add_subnode(blob, 0, "memory"); + if (nodeoffset < 0) + printf("WARNING: could not create /memory: %s.\n", + fdt_strerror(nodeoffset)); + return nodeoffset; + } + err = fdt_setprop(blob, nodeoffset, "device_type", "memory", + sizeof("memory")); + if (err < 0) { + printf("WARNING: could not set %s %s.\n", "device_type", + fdt_strerror(err)); + return err; + } + + addrcell = fdt_getprop(blob, 0, "#address-cells", NULL); + /* use shifts and mask to ensure endianness */ + if ((addrcell) && (*addrcell == 2)) { + tmp[0] = (start >> 56) & 0xff; + tmp[1] = (start >> 48) & 0xff; + tmp[2] = (start >> 40) & 0xff; + tmp[3] = (start >> 32) & 0xff; + tmp[4] = (start >> 24) & 0xff; + tmp[5] = (start >> 16) & 0xff; + tmp[6] = (start >> 8) & 0xff; + tmp[7] = (start ) & 0xff; + len = 8; + } else { + tmp[0] = (start >> 24) & 0xff; + tmp[1] = (start >> 16) & 0xff; + tmp[2] = (start >> 8) & 0xff; + tmp[3] = (start ) & 0xff; + len = 4; + } + + sizecell = fdt_getprop(blob, 0, "#size-cells", NULL); + /* use shifts and mask to ensure endianness */ + if ((sizecell) && (*sizecell == 2)) { + tmp[0+len] = (size >> 56) & 0xff; + tmp[1+len] = (size >> 48) & 0xff; + tmp[2+len] = (size >> 40) & 0xff; + tmp[3+len] = (size >> 32) & 0xff; + tmp[4+len] = (size >> 24) & 0xff; + tmp[5+len] = (size >> 16) & 0xff; + tmp[6+len] = (size >> 8) & 0xff; + tmp[7+len] = (size ) & 0xff; + len += 8; + } else { + tmp[0+len] = (size >> 24) & 0xff; + tmp[1+len] = (size >> 16) & 0xff; + tmp[2+len] = (size >> 8) & 0xff; + tmp[3+len] = (size ) & 0xff; + len += 4; + } + + err = fdt_setprop(blob, nodeoffset, "reg", tmp, len); + if (err < 0) { + printf("WARNING: could not set %s %s.\n", + "reg", fdt_strerror(err)); + return err; + } + return 0; +} + void fdt_fixup_ethernet(void *fdt, bd_t *bd) { int node; -- cgit v1.2.3 From 151c8b09b35eebe8fd9139cb6c1d91c27b22f058 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Mon, 26 Nov 2007 17:06:15 -0600 Subject: Added fdt_fixup_stdout that uses aliases to set linux,stdout-path We use a combination of the serialN alias and CONFIG_CONS_INDEX to determine which serial alias we should set linux,stdout-path to. Signed-off-by: Kumar Gala --- common/fdt_support.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) (limited to 'common/fdt_support.c') diff --git a/common/fdt_support.c b/common/fdt_support.c index 808ec7069a6..d05d6561eee 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -28,6 +28,7 @@ #include #include #include +#include /* * Global data (for the gd->bd) @@ -67,6 +68,43 @@ int fdt_find_and_setprop(void *fdt, const char *node, const char *prop, return fdt_setprop(fdt, nodeoff, prop, val, len); } +#ifdef CONFIG_OF_STDOUT_VIA_ALIAS +static int fdt_fixup_stdout(void *fdt, int choosenoff) +{ + int err = 0; +#ifdef CONFIG_CONS_INDEX + int node; + char sername[9] = { 0 }; + const char *path; + + sprintf(sername, "serial%d", CONFIG_CONS_INDEX - 1); + + err = node = fdt_path_offset(fdt, "/aliases"); + if (node >= 0) { + int len; + path = fdt_getprop(fdt, node, sername, &len); + if (path) { + char *p = malloc(len); + err = -FDT_ERR_NOSPACE; + if (p) { + memcpy(p, path, len); + err = fdt_setprop(fdt, choosenoff, + "linux,stdout-path", p, len); + free(p); + } + } else { + err = len; + } + } +#endif + if (err < 0) + printf("WARNING: could not set linux,stdout-path %s.\n", + fdt_strerror(err)); + + return err; +} +#endif + int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force) { int nodeoffset; @@ -157,6 +195,11 @@ int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force) printf("WARNING: could not set linux,initrd-end %s.\n", fdt_strerror(err)); } + +#ifdef CONFIG_OF_STDOUT_VIA_ALIAS + err = fdt_fixup_stdout(fdt, nodeoffset); +#endif + #ifdef OF_STDOUT_PATH err = fdt_setprop(fdt, nodeoffset, "linux,stdout-path", OF_STDOUT_PATH, strlen(OF_STDOUT_PATH)+1); -- cgit v1.2.3 From c01b17dd856fa120b2970f50d9598546a4927ec3 Mon Sep 17 00:00:00 2001 From: Gerald Van Baren Date: Wed, 28 Nov 2007 21:24:50 -0500 Subject: Conditionally compile fdt_fixup_ethernet() Fix compiler warnings: On boards that don't have ethernets defined, don't compile fdt_fixup_ethernet(). --- common/fdt_support.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'common/fdt_support.c') diff --git a/common/fdt_support.c b/common/fdt_support.c index d05d6561eee..b5ee6e9601b 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -559,6 +559,9 @@ int fdt_fixup_memory(void *blob, u64 start, u64 size) return 0; } +#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\ + defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3) + void fdt_fixup_ethernet(void *fdt, bd_t *bd) { int node; @@ -604,3 +607,4 @@ void fdt_fixup_ethernet(void *fdt, bd_t *bd) #endif } } +#endif -- cgit v1.2.3