From c654b5172a65faba2b541ee1fda1738534d47241 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 23 Oct 2014 18:58:54 -0600 Subject: fdt: Add ft_system_setup() function for system device tree additions Add an additional function for adding information to the device tree before booting. This permits additions which are not board-specific. Signed-off-by: Simon Glass Acked-by: Anatolij Gustschin Reviewed-by: Tom Rini --- common/cmd_fdt.c | 15 +++++++++++++++ common/image-fdt.c | 7 +++++++ 2 files changed, 22 insertions(+) (limited to 'common') diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c index 6f7ea086c1..25b4675744 100644 --- a/common/cmd_fdt.c +++ b/common/cmd_fdt.c @@ -575,6 +575,18 @@ static int do_fdt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return CMD_RET_FAILURE; } } +#endif +#ifdef CONFIG_OF_SYSTEM_SETUP + /* Call the board-specific fixup routine */ + else if (strncmp(argv[1], "sys", 3) == 0) { + int err = ft_system_setup(working_fdt, gd->bd); + + if (err) { + printf("Failed to add system information to FDT: %s\n", + fdt_strerror(err)); + return CMD_RET_FAILURE; + } + } #endif /* Create a chosen node */ else if (strncmp(argv[1], "cho", 3) == 0) { @@ -1014,6 +1026,9 @@ static char fdt_help_text[] = "addr [-c] [] - Set the [control] fdt location to \n" #ifdef CONFIG_OF_BOARD_SETUP "fdt boardsetup - Do board-specific set up\n" +#endif +#ifdef CONFIG_OF_SYSTEM_SETUP + "fdt systemsetup - Do system-specific set up\n" #endif "fdt move - Copy the fdt to and make it active\n" "fdt resize - Resize fdt to size + padding to 4k addr\n" diff --git a/common/image-fdt.c b/common/image-fdt.c index b95b6786c6..1d76bd60da 100644 --- a/common/image-fdt.c +++ b/common/image-fdt.c @@ -479,6 +479,13 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob, goto err; } } + if (IMAGE_OF_SYSTEM_SETUP) { + if (ft_system_setup(blob, gd->bd)) { + printf("ERROR: system-specific fdt fixup failed: %s\n", + fdt_strerror(fdt_ret)); + goto err; + } + } fdt_fixup_ethernet(blob); /* Delete the old LMB reservation */ -- cgit v1.2.1