diff options
| author | Simon Glass <sjg@chromium.org> | 2011-08-11 14:06:46 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2011-09-09 16:04:00 -0700 |
| commit | ec657dae4ff8328e2fda9c8fbe336b605c33e801 (patch) | |
| tree | f853ebbf3662a96aa0e39c7f839b942723f38d3d /common | |
| parent | acc6caf0f9d618659b5803e57bafc7f0b3083bd8 (diff) | |
fdt: Add NAND decode functions
BUG=chromium-os:17062
TEST=build and boot on Seaboard
Change-Id: I7aa667fc608d3c42b4e16b0b9af3ef34df425cd0
Reviewed-on: http://gerrit.chromium.org/gerrit/6070
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Reviewed-on: http://gerrit.chromium.org/gerrit/7453
Diffstat (limited to 'common')
| -rw-r--r-- | common/fdt_decode.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/common/fdt_decode.c b/common/fdt_decode.c index df267e4e00c..272b47390c0 100644 --- a/common/fdt_decode.c +++ b/common/fdt_decode.c @@ -643,3 +643,34 @@ int fdt_decode_i2c(const void *blob, int node, struct fdt_i2c *config) return 0; } + +int fdt_decode_nand(const void *blob, int node, struct fdt_nand *config) +{ + int err; + + config->page_data_bytes = get_int(blob, node, "page-data-bytes", -1); + config->tag_ecc_bytes = get_int(blob, node, "tag-ecc-bytes", -1); + config->tag_bytes = get_int(blob, node, "tag-bytes", -1); + config->data_ecc_bytes = get_int(blob, node, "data-ecc-bytes", -1); + config->skipped_spare_bytes = get_int(blob, node, + "skipped-spare-bytes", -1); + config->page_spare_bytes = get_int(blob, node, "page-spare-bytes", -1); + if (config->page_data_bytes == -1 || config->tag_ecc_bytes == -1 || + config->tag_bytes == -1 || config->data_ecc_bytes == -1 || + config->skipped_spare_bytes == -1 || + config->page_spare_bytes == -1) + return -FDT_ERR_MISSING; + err = get_int_array(blob, node, "timing", config->timing, + FDT_NAND_TIMING_COUNT); + if (err < 0) + return err; + + /* Now look up the controller and decode that */ + node = lookup_phandle(blob, node, "controller"); + if (node < 0) + return node; + config->reg = (struct nand_ctlr *)get_addr(blob, node, "reg"); + config->enabled = get_is_enabled(blob, node, 1); + config->width = get_int(blob, node, "width", 8); + return fdt_decode_gpio(blob, node, "wp-gpio", &config->wp_gpio); +} |