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| author | Wolfgang Denk <wd@denx.de> | 2011-10-21 23:48:46 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-10-21 23:48:46 +0200 |
| commit | 02aff558f4b68927c719a33bee8d13d325d105fb (patch) | |
| tree | 215757279d23a8984cad993679c6be20fe0d6831 /common/fdt_support.c | |
| parent | f82c087e60fe1c59ace1c6f016eb89c5d3c3ae13 (diff) | |
| parent | 710308ee185b3087e474fb9b205f47613c65dda4 (diff) | |
| download | u-boot-imx-02aff558f4b68927c719a33bee8d13d325d105fb.zip u-boot-imx-02aff558f4b68927c719a33bee8d13d325d105fb.tar.gz u-boot-imx-02aff558f4b68927c719a33bee8d13d325d105fb.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
* 'master' of git://git.denx.de/u-boot-mpc85xx:
mpc85xx: Add inline GPIO acessor functions
powerpc/85xx: wait for alignment before resetting SERDES RX lanes (SERDES9)
powerpc/85xx: Fix P2020DS booting
powerpc/85xx: Update USB device tree status based on pin settings
fdt: Add new fdt_set_node_status & fdt_set_status_by_alias helpers
powerpc/85xx: Add support for RMan LIODN initialization
powerpc/85xx: Update device tree handling for SRIO
powerpc/85xx: Update setting of SRIO LIODNs
fm: Don't allow disabling of FM1-DTSEC1
fm-eth: Don't mark the MAC we use for MDIO as disabled in device tree
Diffstat (limited to 'common/fdt_support.c')
| -rw-r--r-- | common/fdt_support.c | 60 |
1 files changed, 59 insertions, 1 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c index e0d3fe3..bdda64d 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -2,7 +2,7 @@ * (C) Copyright 2007 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com * - * Copyright 2010 Freescale Semiconductor, Inc. + * Copyright 2010-2011 Freescale Semiconductor, Inc. * * See file CREDITS for list of people who contributed to this * project. @@ -1259,6 +1259,64 @@ unsigned int fdt_create_phandle(void *fdt, int nodeoffset) return phandle; } +/* + * fdt_set_node_status: Set status for the given node + * + * @fdt: ptr to device tree + * @nodeoffset: node to update + * @status: FDT_STATUS_OKAY, FDT_STATUS_DISABLED, + * FDT_STATUS_FAIL, FDT_STATUS_FAIL_ERROR_CODE + * @error_code: optional, only used if status is FDT_STATUS_FAIL_ERROR_CODE + */ +int fdt_set_node_status(void *fdt, int nodeoffset, + enum fdt_status status, unsigned int error_code) +{ + char buf[16]; + int ret = 0; + + if (nodeoffset < 0) + return nodeoffset; + + switch (status) { + case FDT_STATUS_OKAY: + ret = fdt_setprop_string(fdt, nodeoffset, "status", "okay"); + break; + case FDT_STATUS_DISABLED: + ret = fdt_setprop_string(fdt, nodeoffset, "status", "disabled"); + break; + case FDT_STATUS_FAIL: + ret = fdt_setprop_string(fdt, nodeoffset, "status", "fail"); + break; + case FDT_STATUS_FAIL_ERROR_CODE: + sprintf(buf, "fail-%d", error_code); + ret = fdt_setprop_string(fdt, nodeoffset, "status", buf); + break; + default: + printf("Invalid fdt status: %x\n", status); + ret = -1; + break; + } + + return ret; +} + +/* + * fdt_set_status_by_alias: Set status for the given node given an alias + * + * @fdt: ptr to device tree + * @alias: alias of node to update + * @status: FDT_STATUS_OKAY, FDT_STATUS_DISABLED, + * FDT_STATUS_FAIL, FDT_STATUS_FAIL_ERROR_CODE + * @error_code: optional, only used if status is FDT_STATUS_FAIL_ERROR_CODE + */ +int fdt_set_status_by_alias(void *fdt, const char* alias, + enum fdt_status status, unsigned int error_code) +{ + int offset = fdt_path_offset(fdt, alias); + + return fdt_set_node_status(fdt, offset, status, error_code); +} + #if defined(CONFIG_VIDEO) int fdt_add_edid(void *blob, const char *compat, unsigned char *edid_buf) { |