diff options
| author | Philippe Reynes <philippe.reynes@softathome.com> | 2019-03-15 15:14:37 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-04-22 11:55:58 -0400 |
| commit | 317d40eb01a8e194e6e321e71e811d6da03b8365 (patch) | |
| tree | 6d094aaa96452a5fd416c49ccea0d34220d1314d /drivers/mtd/nand | |
| parent | 22daafba25592b79112d21d1662d7b8381827c56 (diff) | |
drivers: nand: brcmnand: add parameter parameter-page-big-endian
The parameter page isn't always in big endian, so we add
an option to choose the endiannes of the parameter page.
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/raw/brcmnand/brcmnand.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index 7791077142..e333320808 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -113,6 +113,7 @@ struct brcmnand_controller { unsigned int irq; unsigned int dma_irq; int nand_version; + int parameter_page_big_endian; /* Some SoCs provide custom interrupt status register(s) */ struct brcmnand_soc *soc; @@ -1439,12 +1440,20 @@ static void brcmnand_cmdfunc(struct mtd_info *mtd, unsigned command, * Must cache the FLASH_CACHE now, since changes in * SECTOR_SIZE_1K may invalidate it */ - for (i = 0; i < FC_WORDS; i++) + for (i = 0; i < FC_WORDS; i++) { + u32 fc; + + fc = brcmnand_read_fc(ctrl, i); + /* * Flash cache is big endian for parameter pages, at * least on STB SoCs */ - flash_cache[i] = be32_to_cpu(brcmnand_read_fc(ctrl, i)); + if (ctrl->parameter_page_big_endian) + flash_cache[i] = be32_to_cpu(fc); + else + flash_cache[i] = le32_to_cpu(fc); + } brcmnand_soc_data_bus_unprepare(ctrl->soc, true); @@ -2550,6 +2559,10 @@ int brcmnand_probe(struct udevice *dev, struct brcmnand_soc *soc) nand_hw_control_init(&ctrl->controller); INIT_LIST_HEAD(&ctrl->host_list); + /* Is parameter page in big endian ? */ + ctrl->parameter_page_big_endian = + dev_read_u32_default(dev, "parameter-page-big-endian", 1); + /* NAND register range */ #ifndef __UBOOT__ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |