January 2008 - U-Boot

[U-Boot-Users] [PATCH] libfdt: Add more documentation (patch the seventh)
by Jerry Van Baren 06 Jan '08

06 Jan '08

This patch adds more documenting comments to libfdt.h. Specifically, these document the read/write functions (not including fdt_open_into() and fdt_pack(), for now). Signed-off-by: David Gibson <david(a)gibson.dropbear.id.au> --- Second patch, from Mon, 17 Dec 2007 14:42:07 +1100 include/libfdt.h | 219 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 219 insertions(+), 0 deletions(-) diff --git a/include/libfdt.h b/include/libfdt.h index b4bed61..ac0f5c3 100644 --- a/include/libfdt.h +++ b/include/libfdt.h @@ -797,23 +797,242 @@ int fdt_finish(void *fdt); int fdt_open_into(const void *fdt, void *buf, int bufsize); int fdt_pack(void *fdt); +/** + * fdt_add_mem_rsv - add one memory reserve map entry + * @fdt: pointer to the device tree blob + * @addres, @size: 64-bit values (native endian) + * + * Adds a reserve map entry to the given blob reserving a region at + * address address of length size. + * + * This function will insert data into the reserve map and will + * therfore change the indexes of some entries in the table. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, there is insufficient free space in the blob to + * contain the new reservation entry + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_TRUNCATED, standard meanings + */ int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size); + +/** + * fdt_del_mem_rsv - remove a memory reserve map entry + * @fdt: pointer to the device tree blob + * @n: entry to remove + * + * fdt_del_mem_rsv() removes the n-th memory reserve map entry from + * the blob. + * + * This function will delete data from the reservation table and will + * therfore change the indexes of some entries in the table. + * + * returns: + * 0, on success + * -FDT_ERR_NOTFOUND, there is no entry of the given index (i.e. there + * are less than n+1 reserve map entries) + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_TRUNCATED, standard meanings + */ int fdt_del_mem_rsv(void *fdt, int n); +/** + * fdt_setprop - create or change a property + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to change + * @val: pointer to data to set the property value to + * @len: length of the property value + * + * fdt_setprop() sets the value of the named property in the given + * node to the given value and length, creeating the property if it + * does not already exist. + * + * This function may insert or delete data from the blob, and will + * therefore change the offsets of some existing nodes. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, there is insufficient free space in the blob to + * contain the new property value + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_TRUNCATED, standard meanings + */ int fdt_setprop(void *fdt, int nodeoffset, const char *name, const void *val, int len); + +/** + * fdt_setprop_cell - set a property to a single cell value + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to change + * @val: 32-bit integer value for the property (native endian) + * + * fdt_setprop_cell() sets the value of the named property in the + * given node to the given cell value (converting to big-endian if + * necessary), or creates a new property with that value if it does + * not already exist. + * + * This function may insert or delete data from the blob, and will + * therefore change the offsets of some existing nodes. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, there is insufficient free space in the blob to + * contain the new property value + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_TRUNCATED, standard meanings + */ static inline int fdt_setprop_cell(void *fdt, int nodeoffset, const char *name, uint32_t val) { val = cpu_to_fdt32(val); return fdt_setprop(fdt, nodeoffset, name, &val, sizeof(val)); } + +/** + * fdt_setprop_string - set a property to a string value + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to change + * @str: string value for the property + * + * fdt_setprop_string() sets the value of the named property in the + * given node to the given string value (using the length of the + * string to determine the new length of the property), or creates a + * new property with that value if it does not already exist. + * + * This function may insert or delete data from the blob, and will + * therefore change the offsets of some existing nodes. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, there is insufficient free space in the blob to + * contain the new property value + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_TRUNCATED, standard meanings + */ #define fdt_setprop_string(fdt, nodeoffset, name, str) \ fdt_setprop((fdt), (nodeoffset), (name), (str), strlen(str)+1) + +/** + * fdt_delprop - delete a property + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to nop + * @name: name of the property to nop + * + * fdt_del_property() will delete the given property. + * + * This function will delete data from the blob, and will therefore + * change the offsets of some existing nodes. + * + * returns: + * 0, on success + * -FDT_ERR_NOTFOUND, node does not have the named property + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings + */ int fdt_delprop(void *fdt, int nodeoffset, const char *name); + +/** + * fdt_add_subnode_namelen - creates a new node based on substring + * @fdt: pointer to the device tree blob + * @parentoffset: structure block offset of a node + * @name: name of the subnode to locate + * @namelen: number of characters of name to consider + * + * Identical to fdt_add_subnode(), but use only the first namelen + * characters of name as the name of the new node. This is useful for + * creating subnodes based on a portion of a larger string, such as a + * full path. + */ int fdt_add_subnode_namelen(void *fdt, int parentoffset, const char *name, int namelen); + +/** + * fdt_add_subnode - creates a new node + * @fdt: pointer to the device tree blob + * @parentoffset: structure block offset of a node + * @name: name of the subnode to locate + * + * fdt_add_subnode() creates a new node as a subnode of the node at + * structure block offset parentoffset, with the given name (which + * should include the unit address, if any). + * + * This function will insert data into the blob, and will therefore + * change the offsets of some existing nodes. + + * returns: + * structure block offset of the created nodeequested subnode (>=0), on success + * -FDT_ERR_NOTFOUND, if the requested subnode does not exist + * -FDT_ERR_BADOFFSET, if parentoffset did not point to an FDT_BEGIN_NODE tag + * -FDT_ERR_EXISTS, if the node at parentoffset already has a subnode of + * the given name + * -FDT_ERR_NOSPACE, if there is insufficient free space in the + * blob to contain the new node + * -FDT_ERR_NOSPACE + * -FDT_ERR_BADLAYOUT + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings. + */ int fdt_add_subnode(void *fdt, int parentoffset, const char *name); + +/** + * fdt_del_node - delete a node (subtree) + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node to nop + * + * fdt_del_node() will remove the given node, including all its + * subnodes if any, from the blob. + * + * This function will delete data from the blob, and will therefore + * change the offsets of some existing nodes. + * + * returns: + * 0, on success + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADLAYOUT, + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings + */ int fdt_del_node(void *fdt, int nodeoffset); /**********************************************************************/ -- 1.5.3.7

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[U-Boot-Users] [PATCH] libfdt: Add more documentation (patch the sixth)
by Jerry Van Baren 06 Jan '08

06 Jan '08

This patch adds some more documenting comments to libfdt.h. Specifically this documents all the write-in-place functions. Signed-off-by: David Gibson <david(a)gibson.dropbear.id.au> --- I've applied and pushed two documentation patches from David Gibson, taken from the dtc/libfdt repository. This brings us back in sync with the master libfdt. This patch was from Mon, 17 Dec 2007 14:41:52 +1100 include/libfdt.h | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 104 insertions(+), 0 deletions(-) diff --git a/include/libfdt.h b/include/libfdt.h index 6b2fb92..b4bed61 100644 --- a/include/libfdt.h +++ b/include/libfdt.h @@ -655,8 +655,65 @@ int fdt_node_offset_by_compatible(const void *fdt, int startoffset, /* Write-in-place functions */ /**********************************************************************/ +/** + * fdt_setprop_inplace - change a property's value, but not its size + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to change + * @val: pointer to data to replace the property value with + * @len: length of the property value + * + * fdt_setprop_inplace() replaces the value of a given property with + * the data in val, of length len. This function cannot change the + * size of a property, and so will only work if len is equal to the + * current length of the property. + * + * This function will alter only the bytes in the blob which contain + * the given property value, and will not alter or move any other part + * of the tree. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, if len is not equal to the property's current length + * -FDT_ERR_NOTFOUND, node does not have the named property + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings + */ int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name, const void *val, int len); + +/** + * fdt_setprop_inplace_cell - change the value of a single-cell property + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to change + * @name: name of the property to change + * @val: cell (32-bit integer) value to replace the property with + * + * fdt_setprop_inplace_cell() replaces the value of a given property + * with the 32-bit integer cell value in val, converting val to + * big-endian if necessary. This function cannot change the size of a + * property, and so will only work if the property already exists and + * has length 4. + * + * This function will alter only the bytes in the blob which contain + * the given property value, and will not alter or move any other part + * of the tree. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, if the property's length is not equal to 4 + * -FDT_ERR_NOTFOUND, node does not have the named property + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings + */ static inline int fdt_setprop_inplace_cell(void *fdt, int nodeoffset, const char *name, uint32_t val) { @@ -664,7 +721,54 @@ static inline int fdt_setprop_inplace_cell(void *fdt, int nodeoffset, return fdt_setprop_inplace(fdt, nodeoffset, name, &val, sizeof(val)); } +/** + * fdt_nop_property - replace a property with nop tags + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to nop + * @name: name of the property to nop + * + * fdt_nop_property() will replace a given property's representation + * in the blob with FDT_NOP tags, effectively removing it from the + * tree. + * + * This function will alter only the bytes in the blob which contain + * the property, and will not alter or move any other part of the + * tree. + * + * returns: + * 0, on success + * -FDT_ERR_NOTFOUND, node does not have the named property + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings + */ int fdt_nop_property(void *fdt, int nodeoffset, const char *name); + +/** + * fdt_nop_node - replace a node (subtree) with nop tags + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node to nop + * + * fdt_nop_node() will replace a given node's representation in the + * blob, including all its subnodes, if any, with FDT_NOP tags, + * effectively removing it from the tree. + * + * This function will alter only the bytes in the blob which contain + * the node and its properties and subnodes, and will not alter or + * move any other part of the tree. + * + * returns: + * 0, on success + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings + */ int fdt_nop_node(void *fdt, int nodeoffset); /**********************************************************************/ -- 1.5.3.7

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[U-Boot-Users] [PATCH] Improve the FDT help message.
by Jerry Van Baren 05 Jan '08

05 Jan '08

Add a note that "fdt copy" makes the new address active. Remove most of the extra hints at the end of the fdt help. Signed-off-by: Gerald Van Baren <vanbaren(a)cideas.com> --- The fdt copy improvement was suggested by Bartlomiej Sieka, thanks! common/cmd_fdt.c | 10 +++------- 1 files changed, 3 insertions(+), 7 deletions(-) diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c index 74e28b5..9cd22ee 100644 --- a/common/cmd_fdt.c +++ b/common/cmd_fdt.c @@ -683,7 +683,7 @@ U_BOOT_CMD( #ifdef CONFIG_OF_BOARD_SETUP "fdt boardsetup - Do board-specific set up\n" #endif - "fdt move <fdt> <newaddr> <length> - Copy the fdt to <addr>\n" + "fdt move <fdt> <newaddr> <length> - Copy the fdt to <addr> and make it active\n" "fdt print <path> [<prop>] - Recursive print starting at <path>\n" "fdt list <path> [<prop>] - Print one level starting at <path>\n" "fdt set <path> <prop> [<val>] - Set <property> [to <val>]\n" @@ -696,10 +696,6 @@ U_BOOT_CMD( #ifdef CONFIG_OF_HAS_BD_T "fdt bd_t - Add/replace the /bd_t branch in the tree\n" #endif - "Hints:\n" - " If the property you are setting/printing has a '#' character or spaces,\n" - " you MUST escape it with a \\ character or quote it with \".\n" - "Examples: fdt print / # print the whole tree\n" - " fdt print /cpus \"#address-cells\"\n" - " fdt set /cpus \"#address-cells\" \"[00 00 00 01]\"\n" + "NOTE: If the path or property you are setting/printing has a '#' character\n" + " or spaces, you MUST escape it with a \\ character or quote it with \".\n" ); -- 1.5.3.7

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[U-Boot-Users] [PATCH] Support setting FDT properties with optional values.
by Jerry Van Baren 05 Jan '08

05 Jan '08

Fix a bug found and documented by Bartlomiej Sieka where the optional value on "fdt set <path> <prop> [<val>]" wasn't optional. => fdt mknode / testnode => fdt print /testnode testnode { }; => fdt set /testnode testprop => fdt print /testnode testnode { testprop; }; Signed-off-by: Gerald Van Baren <vanbaren(a)cideas.com> --- common/cmd_fdt.c | 16 +++++++++------- 1 files changed, 9 insertions(+), 7 deletions(-) diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c index 4639126..74e28b5 100644 --- a/common/cmd_fdt.c +++ b/common/cmd_fdt.c @@ -184,23 +184,28 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } else if (argv[1][0] == 's') { char *pathp; /* path */ char *prop; /* property */ - char *newval; /* value from the user (as a string) */ int nodeoffset; /* node offset from libfdt */ static char data[SCRATCHPAD]; /* storage for the property */ int len; /* new length of the property */ int ret; /* return value */ /* - * Parameters: Node path, property, value. + * Parameters: Node path, property, optional value. */ - if (argc < 5) { + if (argc < 4) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } pathp = argv[2]; prop = argv[3]; - newval = argv[4]; + if (argc == 4) { + len = 0; + } else { + ret = fdt_parse_prop(pathp, prop, argv[4], data, &len); + if (ret != 0) + return ret; + } nodeoffset = fdt_path_offset (fdt, pathp); if (nodeoffset < 0) { @@ -211,9 +216,6 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) fdt_strerror(nodeoffset)); return 1; } - ret = fdt_parse_prop(pathp, prop, newval, data, &len); - if (ret != 0) - return ret; ret = fdt_setprop(fdt, nodeoffset, prop, data, len); if (ret < 0) { -- 1.5.3.7

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[U-Boot-Users] Noob question regarding uncompressed kernel image
by Peter Poulsen 05 Jan '08

05 Jan '08

Hi I'm trying to make my board load an uncompressed kernel (I'm playing with boot times). I make the image like this: mkimage -A ppc -O linux -T kernel -d vmlinux -C none -n "uImage" uImage Unfortunately my board boots like this: Hit any key to stop autoboot: 0 Using FEC ETHERNET device TFTP from server 192.168.1.70; our IP address is 192.168.1.75 Filename 'mpc5121/uImage'. Load address: 0x1000000 Loading: ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################# done Bytes transferred = 4242439 (40bc07 hex) Using FEC ETHERNET device TFTP from server 192.168.1.70; our IP address is 192.168.1.75 Filename 'mpc5121/mpc5121ads.dtb'. Load address: 0x3000000 Loading: ### done Bytes transferred = 12288 (3000 hex) ## Booting image at 01000000 ... Image Name: uImage Image Type: PowerPC Linux Kernel Image (uncompressed) Data Size: 4242375 Bytes = 4 MB Load Address: 00000000 Entry Point: c000000c Verifying Checksum ... OK OK Booting using flat device tree at 0x3000000 And that was it :-( If I make my image like this: mkimage -A ppc -O linux -T kernel -d vmlinux.bin.gz -C gzip -n "uImage" uImage it boots fine, so I think that my vmlinux/vmlinux.bin.gz image is fine. Can anybody tell what I'm doing wrong? /peter -- A: Because it messes up the order in which people normally read text. Q: Why is it such a bad thing? A: Top-posting. Q: What is the most annoying thing on usenet and in e-mail?

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[U-Boot-Users] u-boot relocate code for nand boot
by 梁洪飞 05 Jan '08

05 Jan '08

hi all: i'm new,i'm porting u-boot for s3c2410 base board . The u-boot relocate code #ifndef CONFIG_SKIP_RELOCATE_UBOOT relocate: /* relocate U-Boot to RAM */ adr r0, _start /* r0 <- current position of code */ ldr r1, _TEXT_BASE /* test if we run from flash or RAM */ cmp r0, r1 /* don't reloc during debug */ beq stack_setup ldr r2, _armboot_start ldr r3, _bss_start sub r2, r3, r2 /* r2 <- size of armboot */ add r2, r0, r2 /* r2 <- source end address */ copy_loop: ……………. #endif /* CONFIG_SKIP_RELOCATE_UBOOT */ #ifndef CONFIG_SKIP_RELOCATE_UBOOT Are these codes useful in the nand flash boot mode? best regards liang _________________________________________________________________ MSN圣诞礼物火热登场，免费发放中，快来领取吧！ http://im.live.cn/emoticons/?ID=18

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[U-Boot-Users] [PATCH] 8610: Fix lingering compile warnings.
by Jon Loeliger 05 Jan '08

05 Jan '08

Turn off DEBUG. Signed-off-by: Jon Loeliger <jdl(a)freescale.com> --- board/freescale/mpc8610hpcd/mpc8610hpcd.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/board/freescale/mpc8610hpcd/mpc8610hpcd.c b/board/freescale/mpc8610hpcd/mpc8610hpcd.c index 617881a..9f32890 100644 --- a/board/freescale/mpc8610hpcd/mpc8610hpcd.c +++ b/board/freescale/mpc8610hpcd/mpc8610hpcd.c @@ -19,13 +19,14 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ -#define DEBUG + #include <common.h> #include <command.h> #include <pci.h> #include <asm/processor.h> #include <asm/immap_86xx.h> #include <asm/immap_fsl_pci.h> +#include <i2c.h> #include <spd.h> #include <asm/io.h> @@ -47,6 +48,8 @@ extern void ddr_enable_ecc(unsigned int dram_size); void sdram_init(void); long int fixed_sdram(void); +void mpc8610hpcd_diu_init(void); + /* called before any console output */ int board_early_init_f(void) -- 1.5.2.1.126.g6abd0

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[U-Boot-Users] Trivia: The Kindle runs u-boot
by Jerry Van Baren 04 Jan '08

04 Jan '08

<http://igorsk.blogspot.com/2007/12/hacking-kindle-part-1-getting-console.ht…> <http://igorsk.blogspot.com/2007/12/hacking-kindle-part-2-bootloader-and.html> <http://igorsk.blogspot.com/2007/12/hacking-kindle-part-3-root-shell-and.html> From "Hacking the Kindle part 1: getting the console" check_recovery: shift-<r>ecover, shift-<u>pdate, shift-</> reset... normal boot... U-Boot 1.1.2 (Oct 29 2007 - 16:35:25) *** Welcome to Kindle ***

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[U-Boot-Users] [PATCH] ppc4xx: Remove weak binding from common Denali data-eye search code
by Larry Johnson 04 Jan '08

04 Jan '08

Now that there are no board-specific versions of "denali_core_search_data_eye()", the weak binding on the common version can be removed. Signed-off-by: Larry Johnson <lrj(a)acm.org> --- cpu/ppc4xx/denali_data_eye.c | 7 ------- 1 files changed, 0 insertions(+), 7 deletions(-) diff --git a/cpu/ppc4xx/denali_data_eye.c b/cpu/ppc4xx/denali_data_eye.c index 6c949a0..967e61b 100644 --- a/cpu/ppc4xx/denali_data_eye.c +++ b/cpu/ppc4xx/denali_data_eye.c @@ -99,14 +99,7 @@ static int wait_for_dram_init_complete(void) /*-----------------------------------------------------------------------------+ * denali_core_search_data_eye. +----------------------------------------------------------------------------*/ -/* - * Avoid conflict with implementations of denali_core_search_data_eye in board- - * specific code. - */ void denali_core_search_data_eye(void) - __attribute__ ((weak, alias("__denali_core_search_data_eye"))); - -void __denali_core_search_data_eye(void) { int k, j; u32 val;

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[U-Boot-Users] [PATCH] Convert MPC8610HPCD to use libfdt.
by Jon Loeliger 04 Jan '08

04 Jan '08

Assumes the presence of the aliases node in the DTS to locate the pci and serial nodes for fixups. Use consistent fdtaddr and fdtfile in environment variables. Signed-off-by: Jon Loeliger <jdl(a)freescale.com> --- board/freescale/mpc8610hpcd/mpc8610hpcd.c | 73 ++++++++++++++++------------- include/configs/MPC8610HPCD.h | 31 ++++++------- 2 files changed, 54 insertions(+), 50 deletions(-) diff --git a/board/freescale/mpc8610hpcd/mpc8610hpcd.c b/board/freescale/mpc8610hpcd/mpc8610hpcd.c index 9f32890..264e959 100644 --- a/board/freescale/mpc8610hpcd/mpc8610hpcd.c +++ b/board/freescale/mpc8610hpcd/mpc8610hpcd.c @@ -29,12 +29,8 @@ #include <i2c.h> #include <spd.h> #include <asm/io.h> - - -#if defined(CONFIG_OF_FLAT_TREE) -#include <ft_build.h> -extern void ft_cpu_setup(void *blob, bd_t *bd); -#endif +#include <libfdt.h> +#include <fdt_support.h> #include "../common/pixis.h" @@ -459,46 +455,57 @@ void pci_init_board(void) #endif /* CONFIG_PCI1 */ } -#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) +#if defined(CONFIG_OF_BOARD_SETUP) void ft_board_setup(void *blob, bd_t *bd) { - u32 *p; - int len; + int node, tmp[2]; + const char *path; - ft_cpu_setup(blob, bd); + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, + "timebase-frequency", bd->bi_busfreq / 4, 1); + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, + "bus-frequency", bd->bi_busfreq, 1); + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, + "clock-frequency", bd->bi_intfreq, 1); + do_fixup_by_prop_u32(blob, "device_type", "soc", 4, + "bus-frequency", bd->bi_busfreq, 1); - 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); - } + do_fixup_by_compat_u32(blob, "ns16550", + "clock-frequency", bd->bi_busfreq, 1); + + fdt_fixup_memory(blob, bd->bi_memstart, bd->bi_memsize); + + + node = fdt_path_offset(blob, "/aliases"); + tmp[0] = 0; + if (node >= 0) { #ifdef CONFIG_PCI1 - p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8000/bus-range", &len); - if (p != NULL) { - p[0] = 0; - p[1] = pci1_hose.last_busno - pci1_hose.first_busno; - debug("pci@8000 first_busno=%d last_busno=%d\n",p[0],p[1]); - } + path = fdt_getprop(blob, node, "pci0", NULL); + if (path) { + tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno; + do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); + } + #endif #ifdef CONFIG_PCIE1 - p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pcie@a000/bus-range", &len); - if (p != NULL) { - p[0] = 0; - p[1] = pcie1_hose.last_busno - pcie1_hose.first_busno; - debug("pcie@9000 first_busno=%d last_busno=%d\n",p[0],p[1]); + path = fdt_getprop(blob, node, "pci1", NULL); + if (path) { + tmp[1] = pcie1_hose.last_busno + - pcie1_hose.first_busno; + do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); } #endif #ifdef CONFIG_PCIE2 - p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pcie@9000/bus-range", &len); - if (p != NULL) { - p[0] = 0; - p[1] = pcie2_hose.last_busno - pcie2_hose.first_busno; - debug("pcie@9000 first_busno=%d last_busno=%d\n",p[0],p[1]); - } + path = fdt_getprop(blob, node, "pci2", NULL); + if (path) { + tmp[1] = pcie2_hose.last_busno + - pcie2_hose.first_busno; + do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); + } #endif - + } } #endif diff --git a/include/configs/MPC8610HPCD.h b/include/configs/MPC8610HPCD.h index 55df5aa..11c1836 100644 --- a/include/configs/MPC8610HPCD.h +++ b/include/configs/MPC8610HPCD.h @@ -245,17 +245,14 @@ /* * Pass open firmware flat tree to kernel */ -#define CONFIG_OF_FLAT_TREE 1 -#define CONFIG_OF_BOARD_SETUP 1 +#define CONFIG_OF_LIBFDT 1 +#define CONFIG_OF_BOARD_SETUP 1 +#define CONFIG_OF_STDOUT_VIA_ALIAS 1 + /* maximum size of the flat tree (8K) */ #define OF_FLAT_TREE_MAX_SIZE 8192 -#define OF_CPU "PowerPC,8610@0" -#define OF_SOC "soc@e0000000" -#define OF_TBCLK (bd->bi_busfreq / 4) -#define OF_STDOUT_PATH "/soc@e0000000/serial@4500" - #define CFG_64BIT_VSPRINTF 1 #define CFG_64BIT_STRTOUL 1 @@ -618,8 +615,8 @@ "consoledev=ttyS0\0" \ "ramdiskaddr=2000000\0" \ "ramdiskfile=8610hpcd/ramdisk.uboot\0" \ - "dtbaddr=c00000\0" \ - "dtbfile=8610hpcd/mpc8610_hpcd.dtb\0" \ + "fdtaddr=c00000\0" \ + "fdtfile=8610hpcd/mpc8610_hpcd.dtb\0" \ "bdev=sda3\0" \ "en-wd=mw.b f8100010 0x08; echo -expect:- 08; md.b f8100010 1\0" \ "dis-wd=mw.b f8100010 0x00; echo -expect:- 00; md.b f8100010 1\0" \ @@ -658,8 +655,8 @@ "consoledev=ttyS0\0" \ "ramdiskaddr=2000000\0" \ "ramdiskfile=8610hpcd/ramdisk.uboot\0" \ - "dtbaddr=c00000\0" \ - "dtbfile=8610hpcd/mpc8610_hpcd.dtb\0" \ + "fdtaddr=c00000\0" \ + "fdtfile=8610hpcd/mpc8610_hpcd.dtb\0" \ "bdev=sda3\0" \ "othbootargs=diufb=15M video=fslfb:1280x1024-32@60,monitor=0\0"\ "monitor=0-DVI\0" @@ -671,22 +668,22 @@ "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \ "console=$consoledev,$baudrate $othbootargs;" \ "tftp $loadaddr $bootfile;" \ - "tftp $dtbaddr $dtbfile;" \ - "bootm $loadaddr - $dtbaddr" + "tftp $fdtaddr $fdtfile;" \ + "bootm $loadaddr - $fdtaddr" #define CONFIG_RAMBOOTCOMMAND \ "setenv bootargs root=/dev/ram rw " \ "console=$consoledev,$baudrate $othbootargs;" \ "tftp $ramdiskaddr $ramdiskfile;" \ "tftp $loadaddr $bootfile;" \ - "tftp $dtbaddr $dtbfile;" \ - "bootm $loadaddr $ramdiskaddr $dtbaddr" + "tftp $fdtaddr $fdtfile;" \ + "bootm $loadaddr $ramdiskaddr $fdtaddr" #define CONFIG_BOOTCOMMAND \ "setenv bootargs root=/dev/$bdev rw " \ "console=$consoledev,$baudrate $othbootargs;" \ "tftp $loadaddr $bootfile;" \ - "tftp $dtbaddr $dtbfile;" \ - "bootm $loadaddr - $dtbaddr" + "tftp $fdtaddr $fdtfile;" \ + "bootm $loadaddr - $fdtaddr" #endif /* __CONFIG_H */ -- 1.5.2.1.126.g6abd0

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